97 results on '"Sánchez-Sánchez, C."'
Search Results
2. Can We Do Anything Else before Removing a Button Battery from the Esophagus?—Hyaluronic Acid.
- Author
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Bada-Bosch, I., Blanco Verdú, M.D., Cerdá, J.A., Fanjul, M., Ordoñez, J., Tolín Hernani, M.M., Miranda Cid, C., Sánchez Sánchez, C., and De Agustín, J.C.
- Subjects
HYALURONIC acid ,ESOPHAGUS ,CHONDROITIN sulfates ,ACID solutions ,BUFFER solutions - Abstract
Objective This article tests the protective effect of a commercially available mixture of hyaluronic acid, chondroitin sulfate, and poloxamer 407 on the damage caused by the exposure of esophageal mucosa to button batteries in an animal model. Methods Experimental study. Sixty porcine esophageal samples were distributed in three groups: control (CG), exposure (EG), and exposure-protection (EPG). In EG and EPG, one CR2032 button battery per sample was inserted, both were subdivided into 2-, 4-, 6-, and 24-hour exposure subgroups, with subsequent battery removal. EPG samples were irrigated with the solution 1 hour after battery exposure. Esophageal pH and final voltage of the battery were measured. Results pH in CG remained stable. No significant differences in pH at 1 hour were found between EG and EPG. In EPG, the pH of the mucosa exposed to the anode was lower than in GE at 2 hours (12.44 vs. 11.89, p = 0.203) and 4 hours (13.78 vs. 11.77, p < 0.0001). In the cathode pH was significantly higher in EG at 2 hours (2.5 vs. 4.11, p < 0.0001), 4 hours (2.33 vs. 4.78, p < 0.0001), and 6 hours (2.17 vs. 2.91, p < 0.0001). Significant voltage reduction at 1 hour was found in EG compared to EPG (0.48 vs. 1.08 V, p = 0.004). Conclusion Exposure to hyaluronic acid solution buffers the acidification on the side exposed to the cathode and basification on the anode. This effect can be maintained up to 3 to 5 hours, even after stopping its application. Our results suggest that a solution containing hyaluronic acid could be used as an esophageal protector after accidental ingestion of button batteries. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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3. Spironolactone in patients with heart failure and preserved ejection fraction
- Author
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Sánchez-Sánchez, C., Mendoza-Ruiz de Zuazu, H.F., Formiga, F., Manzano, L., Ceresuela, L.M., Carrera-Izquierdo, M., González Franco, Á., Epelde-Gonzalo, F., Cerqueiro-González, J.M., and Montero-Pérez-Barquero, M.
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- 2015
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4. Hepatic hydrothorax resistant to diuretics treated with octreotide
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Teutli-Carrión, S, Sánchez-Sánchez, C, Medina-Ávalos, E, Carmona-Castillo, M, Dorantes-Nava, C, Higuera-de la Tijera, F, and Pérez-Hernández, JL
- Published
- 2022
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5. Valence band electronic structure characterization of the rutile TiO2 (110)-(1 × 2) reconstructed surface
- Author
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Sánchez-Sánchez, C., Garnier, M.G., Aebi, P., Blanco-Rey, M., de Andres, P.L., Martín-Gago, J.A., and López, M.F.
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- 2013
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6. Small Pt nanoparticles on the TiO2 (110)–(1 × 2) surface
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Sánchez-Sánchez, C., Martín-Gago, J.A., and López, M.F.
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- 2013
- Full Text
- View/download PDF
7. Performance of the ATLAS detector using first collision data
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Aad, G., Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., Abdinov, O., Abi, B., Abolins, M., Abramowicz, H., Abreu, H., Acerbi, E., Acharya, B. S., Ackers, M., Adams, D. L., Addy, T. N., Adelman, J., Aderholz, M., Adomeit, S., Adorisio, C., Adragna, P., Adye, T., Aefsky, S., Aguilar-Saavedra, J. A., Aharrouche, M., Ahlen, S. P., Ahles, F., Ahmad, A., Ahmed, H., Ahsan, M., Aielli, G., Akdogan, T., Åkesson, P. F., Åkesson, T. P. A., Akimoto, G., Akimov, A. V., Aktas, Å., Alam, M. S., Alam, M. A., Albrand, S., Aleksa, M., Aleksandrov, I. N., Aleppo, M., Alessandria, F., Alexa, C., Alexander, G., Alexandre, G., Alexopoulos, T., Alhroob, M., Aliev, M., Alimonti, G., Alison, J., Aliyev, M., Allport, P. P., Allwood-Spiers, S. E., Almond, J., Aloisio, A., Alon, R., Alonso, A., Alonso, J., Alviggi, M. G., Amako, K., Amaral, P., Ambrosini, G., Ambrosio, G., Amelung, C., Ammosov, V. V., Ammosov, V. V., Amorim, A., Amorós, G., Amram, N., Anastopoulos, C., Andeen, T., Anders, C. F., Anderson, K. J., Andreazza, A., Andrei, V., Andrieux, M-L., Anduaga, X. S., Angerami, A., Anghinolfi, F., Anjos, N., Annovi, A., Antonaki, A., Antonelli, M., Antonelli, S., Antos, J., Antunovic, B., Anulli, F., Aoun, S., Arabidze, G., Aracena, I., Arai, Y., Arce, A. T. H., Archambault, J. P., Arfaoui, S., Arguin, J.-F., Argyropoulos, T., Arik, E., Arik, M., Armbruster, A. J., Arms, K. E., Armstrong, S. R., Arnaez, O., Arnault, C., Artamonov, A., Arutinov, D., Asai, M., Asai, S., Asfandiyarov, R., Ask, S., Åsman, B., Asner, D., Asquith, L., Assamagan, K., Astbury, A., Astvatsatourov, A., Atoian, G., Aubert, B., Auerbach, B., Auge, E., Augsten, K., Aurousseau, M., Austin, N., Avolio, G., Avramidou, R., Axen, D., Ay, C., Azuelos, G., Azuma, Y., Baak, M. A., Baccaglioni, G., Bacci, C., Bach, A. M., Bachacou, H., Bachas, K., Bachy, G., Backes, M., Badescu, E., Bagnaia, P., Bai, Y., Bailey, D. C., Bain, T., Baines, J. T., Baker, O. K., Baker, M. D., Baker, S, Baltasar Dos Santos Pedrosa, F., Banas, E., Banerjee, P., Banerjee, S., Banfi, D., Bangert, A., Bansal, V., Baranov, S. P., Baranov, S., Barashkou, A., Barber, T., Barberio, E. L., Barberis, D., Barbero, M., Bardin, D. Y., Barillari, T., Barisonzi, M., Barklow, T., Barlow, N., Barnett, B. M., Barnett, R. M., Baroncelli, A., Barone, M., Barr, A. J., Barreiro, F., Barreiro Guimarães da Costa, J., Barrillon, P., Bartoldus, R., Bartsch, D., Bates, R. L., Batkova, L., Batley, J. R., Battaglia, A., Battistin, M., Battistoni, G., Bauer, F., Bawa, H. S., Bazalova, M., Beare, B., Beau, T., Beauchemin, P. H., Beccherle, R., Becerici, N., Bechtle, P., Beck, G. A., Beck, H. P., Beckingham, M., Becks, K. H., Beddall, A. J., Beddall, A., Bednyakov, V. A., Bee, C., Begel, M., Behar Harpaz, S., Behera, P. K., Beimforde, M., Belanger, G. A. N., Belanger-Champagne, C., Belhorma, B., Bell, P. J., Bell, W. H., Bella, G., Bellagamba, L., Bellina, F., Bellomo, G., Bellomo, M., Belloni, A., Belotskiy, K., Beltramello, O., Belymam, A., Ben Ami, S., Benary, O., Benchekroun, D., Benchouk, C., Bendel, M., Benedict, B. H., Benekos, N., Benhammou, Y., Benincasa, G. P., Benjamin, D. P., Benoit, M., Bensinger, J. R., Benslama, K., Bentvelsen, S., Beretta, M., Berge, D., Bergeaas Kuutmann, E., Berger, N., Berghaus, F., Berglund, E., Beringer, J., Bernardet, K., Bernat, P., Bernhard, R., Bernius, C., Berry, T., Bertin, A., Bertinelli, F., Bertolucci, S., Besana, M. I., Besson, N., Bethke, S., Bianchi, R. M., Bianco, M., Biebel, O., Bieri, M., Biesiada, J., Biglietti, M., Bilokon, H., Binder, M., Bindi, M., Binet, S., Bingul, A., Bini, C., Biscarat, C., Bischof, R., Bitenc, U., Black, K. M., Blair, R. E., Blanch, O., Blanchard, J.-B., Blanchot, G., Blocker, C., Blocki, J., Blondel, A., Blum, W., Blumenschein, U., Boaretto, C., Bobbink, G. J., Bocci, A., Bocian, D., Bock, R., Boehler, M., Boek, J., Boelaert, N., Böser, S., Bogaerts, J. A., Bogouch, A., Bohm, C., Bohm, J., Boisvert, V., Bold, T., Boldea, V., Bondarenko, V. G., Bondioli, M., Bonino, R., Boonekamp, M., Boorman, G., Boosten, M., Booth, C. N., Booth, P. S. L., Booth, P., Booth, J. R. A., Bordoni, S., Borer, C., Borer, K., Borisov, A., Borissov, G., Borjanovic, I., Borroni, S., Bos, K., Boscherini, D., Bosman, M., Boterenbrood, H., Botterill, D., Bouchami, J., Boudreau, J., Bouhova-Thacker, E. V., Boulahouache, C., Bourdarios, C., Boveia, A., Boyd, J., Boyko, I. R., Bozhko, N. I., Bozovic-Jelisavcic, I., Braccini, S., Bracinik, J., Braem, A., Brambilla, E., Branchini, P., Brandenburg, G. W., Brandt, A., Brandt, G., Brandt, O., Bratzler, U., Brau, B., Brau, J. E., Braun, H. M., Bravo, S., Brelier, B., Bremer, J., Brenner, R., Bressler, S., Breton, D., Brett, N. D., Bright-Thomas, P. G., Britton, D., Brochu, F. M., Brock, I., Brock, R., Brodbeck, T. J., Brodet, E., Broggi, F., Bromberg, C., Brooijmans, G., Brooks, W. K., Brown, G., Brubaker, E., Bruckman de Renstrom, P. A., Bruncko, D., Bruneliere, R., Brunet, S., Bruni, A., Bruni, G., Bruschi, M., Buanes, T., Bucci, F., Buchanan, J., Buchanan, N. J., Buchholz, P., Buckley, A. G., Budagov, I. A., Budick, B., Büscher, V., Bugge, L., Buira-Clark, D., Buis, E. J., Bujor, F., Bulekov, O., Bunse, M., Buran, T., Burckhart, H., Burdin, S., Burgess, T., Burke, S., Busato, E., Bussey, P., Buszello, C. P., Butin, F., Butler, B., Butler, J. M., Buttar, C. M., Butterworth, J. M., Byatt, T., Caballero, J., Cabrera Urbán, S., Caccia, M., Caforio, D., Cakir, O., Calafiura, P., Calderini, G., Calfayan, P., Calkins, R., Caloba, L. P., Caloi, R., Calvet, D., Calvet, S., Camard, A., Camarri, P., Cambiaghi, M., Cameron, D., Cammin, J., Campana, S., Campanelli, M., Canale, V., Canelli, F., Canepa, A., Cantero, J., Capasso, L., Capeans Garrido, M. D. M., Caprini, I., Caprini, M., Caprio, M., Capua, M., Caputo, R., Caramarcu, C., Cardarelli, R., Cardiel Sas, L., Carli, T., Carlino, G., Carminati, L., Caron, B., Caron, S., Carpentieri, C., Carrillo Montoya, G. D., Carron Montero, S., Carter, A. A., Carter, J. R., Carvalho, J., Casadei, D., Casado, M. P., Cascella, M., Caso, C., Castaneda Hernandez, A. M., Castaneda-Miranda, E., Castillo Gimenez, V., Castro, N. F., Cataldi, G., Cataneo, F., Catinaccio, A., Catmore, J. R., Cattai, A., Cattani, G., Caughron, S., Cauz, D., Cavallari, A., Cavalleri, P., Cavalli, D., Cavalli-Sforza, M., Cavasinni, V., Cazzato, A., Ceradini, F., Cerna, C., Cerqueira, A. S., Cerri, A., Cerrito, L., Cerutti, F., Cervetto, M., Cetin, S. A., Cevenini, F., Chafaq, A., Chakraborty, D., Chan, K., Chapman, J. D., Chapman, J. W., Chareyre, E., Charlton, D. G., Charron, S., Chatterjii, S., Chavda, V., Cheatham, S., Chekanov, S., Chekulaev, S. V., Chelkov, G. A., Chen, H., Chen, L., Chen, S., Chen, T., Chen, X., Cheng, S., Cheplakov, A., Chepurnov, V. F., Cherkaoui El Moursli, R., Tcherniatine, V., Chesneanu, D., Cheu, E., Cheung, S. L., Chevalier, L., Chevallier, F., Chiarella, V., Chiefari, G., Chikovani, L., Childers, J. T., Chilingarov, A., Chiodini, G., Chizhov, V., Choudalakis, G., Chouridou, S., Christidi, I. A., Christov, A., Chromek-Burckhart, D., Chu, M. L., Chudoba, J., Ciapetti, G., Cicalini, E., Ciftci, A. K., Ciftci, R., Cinca, D., Cindro, V., Ciobotaru, M. D., Ciocca, C., Ciocio, A., Cirilli, M., Citterio, M., Clark, A., Clark, P. J., Cleland, W., Clemens, J. C., Clement, B., Clement, C., Clements, D., Clifft, R. W., Coadou, Y., Cobal, M., Coccaro, A., Cochran, J., Coe, P., Coelli, S., Coggeshall, J., Cogneras, E., Cojocaru, C. D., Colas, J., Cole, B., Colijn, A. P., Collard, C., Collins, N. J., Collins-Tooth, C., Collot, J., Colon, G., Coluccia, R., Comune, G., Conde Muiño, P., Coniavitis, E., Conidi, M. C., Consonni, M., Constantinescu, S., Conta, C., Conventi, F., Cook, J., Cooke, M., Cooper, B. D., Cooper-Sarkar, A. M., Cooper-Smith, N. J., Copic, K., Cornelissen, T., Corradi, M., Correard, S., Corriveau, F., Corso-Radu, A., Cortes-Gonzalez, A., Cortiana, G., Costa, G., Costa, M. J., Costanzo, D., Costin, T., Côté, D., Coura Torres, R., Courneyea, L., Couyoumtzelis, C., Cowan, G., Cowden, C., Cox, B. E., Cranmer, K., Cranshaw, J., Cristinziani, M., Crosetti, G., Crupi, R., Crépé-Renaudin, S., Cuenca Almenar, C., Cuhadar Donszelmann, T., Cuneo, S., Curatolo, M., Curtis, C. J., Cwetanski, P., Czyczula, Z., D’Auria, S., D’Onofrio, M., D’Orazio, A., Da Rocha Gesualdi Mello, A., Da Silva, P. V. M., Da Via, C, Dabrowski, W., Dahlhoff, A., Dai, T., Dallapiccola, C., Dallison, S. J., Dalmau, J., Daly, C. H., Dam, M., Dameri, M., Danielsson, H. O., Dankers, R., Dannheim, D., Dao, V., Darbo, G., Darlea, G. L., Daum, C., Dauvergne, J. P., Davey, W., Davidek, T., Davidson, D. W., Davidson, N., Davidson, R., Davies, M., Davison, A. R., Dawson, I., Dawson, J. W., Daya, R. K., De, K., de Asmundis, R., De Castro, S., De Castro Faria Salgado, P. E., De Cecco, S., de Graat, J., De Groot, N., de Jong, P., De La Cruz-Burelo, E., De La Taille, C., De Lotto, B., De Mora, L., De Oliveira Branco, M., De Pedis, D., de Saintignon, P., De Salvo, A., De Sanctis, U., De Santo, A., De Vivie De Regie, J. B., De Zorzi, G., Dean, S., Dedes, G., Dedovich, D. V., Defay, P. O., Degenhardt, J., Dehchar, M., Deile, M., Del Papa, C., Del Peso, J., Del Prete, T., Dell’Acqua, A., Dell’Asta, L., Della Pietra, M., della Volpe, D., Delmastro, M., Delpierre, P., Delruelle, N., Delsart, P. A., Deluca, C., Demers, S., Demichev, M., Demirkoz, B., Deng, J., Deng, W., Denisov, S. P., Dennis, C., Derkaoui, J. E., Derue, F., Dervan, P., Desch, K., Deviveiros, P. O., Dewhurst, A., DeWilde, B., Dhaliwal, S., Dhullipudi, R., Di Ciaccio, A., Di Ciaccio, L., Di Domenico, A., Di Girolamo, A., Di Girolamo, B., Di Luise, S., Di Mattia, A., Di Nardo, R., Di Simone, A., Di Sipio, R., Diaz, M. A., Diaz Gomez, M. M., Diblen, F., Diehl, E. B., Dietl, H., Dietrich, J., Dietzsch, T. A., Diglio, S., Dindar Yagci, K., Dingfelder, J., Dionisi, C., Dita, P., Dita, S., Dittus, F., Djama, F., Djilkibaev, R., Djobava, T., do Vale, M. A. B., Do Valle Wemans, A., Doan, T. K. O., Dobbs, M., Dobinson, R., Dobos, D., Dobson, E., Dobson, M., Dodd, J., Dogan, O. B., Doglioni, C., Doherty, T., Doi, Y., Dolejsi, J., Dolenc, I., Dolezal, Z., Dolgoshein, B. A., Dohmae, T., Domingo, E., Donega, M., Donini, J., Dopke, J., Doria, A., Dos Anjos, A., Dosil, M., Dotti, A., Dova, M. T., Dowell, J. D., Doxiadis, A., Doyle, A. T., Drasal, Z., Drees, J., Dressnandt, N., Drevermann, H., Driouichi, C., Dris, M., Drohan, J. G., Dubbert, J., Dubbs, T., Dube, S., Duchovni, E., Duckeck, G., Dudarev, A., Dudziak, F., Dührssen, M., Dür, H., Duerdoth, I. P., Duflot, L., Dufour, M-A., Dunford, M., Duran Yildiz, H., Dushkin, A., Duxfield, R., Dwuznik, M., Dydak, F., Dzahini, D., Düren, M., Ebenstein, W. L., Ebke, J., Eckert, S., Eckweiler, S., Edmonds, K., Edwards, C. A., Efthymiopoulos, I., Egorov, K., Ehrenfeld, W., Ehrich, T., Eifert, T., Eigen, G., Einsweiler, K., Eisenhandler, E., Ekelof, T., El Kacimi, M., Ellert, M., Elles, S., Ellinghaus, F., Ellis, K., Ellis, N., Elmsheuser, J., Elsing, M., Ely, R., Emeliyanov, D., Engelmann, R., Engl, A., Epp, B., Eppig, A., Erdmann, J., Ereditato, A., Eremin, V., Eriksson, D., Ermoline, I., Ernst, J., Ernst, M., Ernwein, J., Errede, D., Errede, S., Ertel, E., Escalier, M., Escobar, C., Espinal Curull, X., Esposito, B., Etienne, F., Etienvre, A. I., Etzion, E., Evans, H., Evdokimov, V. N., Fabbri, L., Fabre, C., Facius, K., Fakhrutdinov, R. M., Falciano, S., Falou, A. C., Fang, Y., Fanti, M., Farbin, A., Farilla, A., Farley, J., Farooque, T., Farrington, S. M., Farthouat, P., Fassnacht, P., Fassouliotis, D., Fatholahzadeh, B., Fayard, L., Fayette, F., Febbraro, R., Federic, P., Fedin, O. L., Fedorko, I., Fedorko, W., Feligioni, L., Felzmann, C. U., Feng, C., Feng, E. J., Fenyuk, A. B., Ferencei, J., Ferland, J., Fernandes, B., Fernando, W., Ferrag, S., Ferrando, J., Ferrara, V., Ferrari, A., Ferrari, P., Ferrari, R., Ferrer, A., Ferrer, M. L., Ferrere, D., Ferretti, C., Ferro, F., Fiascaris, M., Fiedler, F., Filipčič, A., Filippas, A., Filthaut, F., Fincke-Keeler, M., Fiolhais, M. C. N., Fiorini, L., Firan, A., Fischer, G., Fischer, P., Fisher, M. J., Fisher, S. M., Flammer, J., Flechl, M., Fleck, I., Fleckner, J., Fleischmann, P., Fleischmann, S., Fleuret, F., Flick, T., Flores Castillo, L. R., Flowerdew, M. J., Föhlisch, F., Fokitis, M., Fonseca Martin, T., Fopma, J., Forbush, D. A., Formica, A., Forti, A., Fortin, D., Foster, J. M., Fournier, D., Foussat, A., Fowler, A. J., Fowler, K., Fox, H., Francavilla, P., Franchino, S., Francis, D., Franklin, M., Franz, S., Fraternali, M., Fratina, S., Freestone, J., French, S. T., Froeschl, R., Froidevaux, D., Frost, J. A., Fukunaga, C., Fullana Torregrosa, E., Fuster, J., Gabaldon, C., Gabizon, O., Gadfort, T., Gadomski, S., Gagliardi, G., Gagnon, P., Galea, C., Gallas, E. J., Gallas, M. V., Gallo, V., Gallop, B. J., Gallus, P., Galyaev, E., Gan, K. K., Gao, Y. S., Gapienko, V. A., Gaponenko, A., Garcia-Sciveres, M., García, C., García Navarro, J. E., Garde, V., Gardner, R. W., Garelli, N., Garitaonandia, H., Garonne, V., Garvey, J., Gatti, C., Gaudio, G., Gaumer, O., Gautard, V., Gauzzi, P., Gavrilenko, I. L., Gay, C., Gaycken, G., Gayde, J.-C., Gazis, E. N., Ge, P., Gee, C. N. P., Geich-Gimbel, Ch., Gellerstedt, K., Gemme, C., Genest, M. 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A., Gordon, H. A., Gorelov, I., Gorfine, G., Gorini, B., Gorini, E., Gorišek, A., Gornicki, E., Gorokhov, S. A., Gorski, B. T., Goryachev, V. N., Gosdzik, B., Gosselink, M., Gostkin, M. I., Gouanère, M., Gough Eschrich, I., Gouighri, M., Goujdami, D., Goulette, M. P., Goussiou, A. G., Goy, C., Grabowska-Bold, I., Grabski, V., Grafström, P., Grah, C., Grahn, K-J., Grancagnolo, F., Grancagnolo, S., Grassi, V., Gratchev, V., Grau, N., Gray, H. M., Gray, J. A., Graziani, E., Green, B., Greenfield, D., Greenshaw, T., Greenwood, Z. D., Gregor, I. M., Grenier, P., Grewal, A., Griesmayer, E., Griffiths, J., Grigalashvili, N., Grillo, A. A., Grimm, K., Grinstein, S., Gris, P. L. Y., Grishkevich, Y. V., Groer, L. S., Grognuz, J., Groh, M., Groll, M., Gross, E., Grosse-Knetter, J., Groth-Jensen, J., Gruwe, M., Grybel, K., Guarino, V. J., Guicheney, C., Guida, A., Guillemin, T., Guler, H., Gunther, J., Guo, B., Gupta, A., Gusakov, Y., Gushchin, V. 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G., Zhu, H., Zhu, Y., Zhuang, X., Zhuravlov, V., Zilka, B., Zimmermann, R., Zimmermann, S., Zimmermann, S., Ziolkowski, M., Zitoun, R., Živković, L., Zmouchko, V. V., Zobernig, G., Zoccoli, A., Zolnierowski, Y., Zsenei, A., zur Nedden, M., Zutshi, V., and The ATLAS collaboration
- Published
- 2010
- Full Text
- View/download PDF
8. Insertion of single-ion magnets based on mononuclear Co(II) complexes into ferromagnetic oxalate-based networks.
- Author
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Palacios-Corella, M., García-López, V., Sánchez-Sánchez, C., Clemente-Juan, J. M., Clemente-León, M., and Coronado, E.
- Subjects
OXALATES ,MAGNETS ,MAGNETIZATION - Abstract
The 1 : 2 and 1 : 1 Co(II) complexes of the L ligand (L = 6-(3,5-diamino-2,4,6-triazinyl)2,2′-bipyridine) with formulas [Co
II (L)2 ](ClO4 )2 ·0.5MeCN·Et2 O (1) and [CoII (L)(CH3 CN)2 (H2 O)](ClO4 )2 ·MeCN (2) have been prepared. The structural and magnetic characterization of the two compounds shows that they contain octahedral high-spin Co(II) and present a field-induced slow relaxation of the magnetization. 1 has been inserted into a bimetallic oxalate-based network leading to a novel achiral 3D compound of formula [CoII (L)2 ][MnII CrIII (ox)3 ]2 ·(solvate) (3) exhibiting ferromagnetic ordering below 4.6 K. EPR measurements suggest a weak magnetic coupling between the two sublattices. [ABSTRACT FROM AUTHOR]- Published
- 2021
- Full Text
- View/download PDF
9. Fine needle aspiration (FNA) of testicular germ cell tumours; a 10-year experience in a community hospital
- Author
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GARCÍA-SOLANO, J., SÁNCHEZ-SÁNCHEZ, C., MONTALBÁN-ROMERO, S., SOLA-PÉREZ, J., and PÉREZ-GUILLERMO, M.
- Published
- 1998
10. Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111).
- Author
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Deniz, O., Sánchez-Sánchez, C., Jaafar, R., Kharche, N., Liang, L., Meunier, V., Feng, X., Müllen, K., Fasel, R., and Ruffieux, P.
- Subjects
- *
NANORIBBONS , *GRAPHENE , *BAND gaps - Abstract
Electronic and thermal properties of chevron-type graphene nanoribbons can be widely tuned, making them interesting candidates for electronic and thermoelectric applications. Here, we use post-growth silicon intercalation to unambiguously access nanoribbons’ energy position of their electronic frontier states. These are otherwise obscured by substrate effects when investigated directly on the growth substrate. In agreement with first-principles calculations we find a band gap of 2.4 eV. [ABSTRACT FROM AUTHOR]
- Published
- 2018
- Full Text
- View/download PDF
11. Valence band electronic structure characterization of the rutile TiO₂ (110)-(1 × 2) reconstructed surface
- Author
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Sánchez-Sánchez, C., Garnier, M.G., Aebi, Philipp, Blanco-Rey, M., Andres, P.L. de, Martín-Gago, J.A., and López, M.F.
- Abstract
The electronic structure of the TiO₂ (110)-(1 × 2) surface has been studied by means of angular resolved ultraviolet photoemission spectroscopy (ARUPS). The valence band dispersion along the high symmetry surface directions, [001] and [1–10], has been recorded. The experimental data show no dispersion of the band-gap Ti 3d states. However, the existence of dispersive bands along the [001] direction located at about 7 eV below the Fermi level is reported. The existence of two different contributions in the emission from the defects-related state located in the gap of the surface is univocally shown for the first time.
- Published
- 2012
12. Photomagnetic properties of an Fe(ii) spin-crossover complex of 6-(3,5-diamino-2,4,6-triazinyl)-2,2′-bipyridine and its insertion into 2D and 3D bimetallic oxalate-based networks.
- Author
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Sánchez-Sánchez, C., Desplanches, C., Clemente-Juan, J. M., Clemente-León, M., and Coronado, E.
- Subjects
- *
MAGNETIC properties of iron compounds , *SPIN crossover , *BIPYRIDINE derivatives - Abstract
The Fe(ii) complex of the L1 ligand (L1 = 6-(3,5-diamino-2,4,6-triazinyl)-2,2′-bipyridine) has been used as a templating cation for the growth of oxalate-based networks. The magnetic characterization of the [FeII(L1)2](ClO4)2·CH3CN (1) precursor in the solid state has been performed for the first time showing that the low-spin (LS) state is predominating from 2 to 400 K with 10% of Fe(ii), which undergoes a gradual and irreversible spin-crossover above 350 K. 1 presents the LIESST effect with a photo-conversion close to 25% and a T(LIESST) of 49 K. During the preparation of 1, a secondary product of the formula [FeII(L1)(CH3CN)2(H2O)](ClO4)2·CH3CN (2) has been obtained. The magnetic characterization of 2 shows that it contains high-spin (HS) Fe(ii). 1 has afforded two novel oxalate-based compounds, the 2D compound of the formula [FeII(L1)2][MnIICrIII(ox)3]2·(CH3NO2)6·(CH3OH)·(H2O)2 (3) and the 3D compound of the formula [FeII(L1)2][MnIICrIII(ox)3]2·(CH3CN)3 (4), which have been obtained by changing the synthetic conditions. The magnetic properties show that in 3 the inserted Fe(ii) cation remains in the LS state from 2 to 340 K and presents a partial and irreversible spin-crossover of ∼20% at higher temperatures. In 4, most of the Fe(ii) complexes remain in the LS state from 2 to 230 K and present a partial and irreversible spin-crossover of ∼50% from 230 to 400 K. 3 and 4 do not present the LIESST effect. [ABSTRACT FROM AUTHOR]
- Published
- 2017
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13. Is the standard operating times system applicable to ophthalmology in the public health system?
- Author
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Sánchez-Sánchez, C., Won-Kim, H.R., and Sales-Sanz, M.
- Published
- 2015
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14. Valence band electronic structure characterization of the rutile TiO2 (110)-(1×2) reconstructed surface
- Author
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Sánchez-Sánchez, C., Garnier, M.G., Aebi, P., Blanco-Rey, M., de Andres, P.L., Martín-Gago, J.A., and López, M.F.
- Subjects
- *
VALENCE (Chemistry) , *ELECTRONIC structure , *RUTILE , *TITANIUM oxides , *SURFACES (Technology) , *PHOTOELECTRON spectroscopy , *SYMMETRY (Physics) , *BAND gaps - Abstract
Abstract: The electronic structure of the TiO2 (110)-(1×2) surface has been studied by means of angular resolved ultraviolet photoemission spectroscopy (ARUPS). The valence band dispersion along the high symmetry surface directions, [001] and [1–10], has been recorded. The experimental data show no dispersion of the band-gap Ti 3d states. However, the existence of dispersive bands along the [001] direction located at about 7eV below the Fermi level is reported. The existence of two different contributions in the emission from the defects-related state located in the gap of the surface is univocally shown for the first time. [Copyright &y& Elsevier]
- Published
- 2013
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15. Small Pt nanoparticles on the TiO2 (110)–(1×2) surface
- Author
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Sánchez-Sánchez, C., Martín-Gago, J.A., and López, M.F.
- Subjects
- *
PLATINUM nanoparticles , *TITANIUM dioxide , *SURFACE chemistry , *SCANNING tunneling microscopy , *AGGLOMERATION (Materials) , *METAL clusters , *ANNEALING of metals - Abstract
Abstract: Scanning tunnelling microscopy (STM) has been used to study the initial stages of Pt deposition on the TiO2 (110)–(1×2) surface. Experimental STM images recorded for Pt coverage of 0.1 and 0.4 ML, suggest a Volmer-Weber growth. For low coverage and RT deposition, small clusters homogeneously distributed on the surface terraces are observed. However, after annealing at 825K, material agglomeration, with nucleation mainly at the cross-links, is observed as a consequence of Pt diffusion on the surface. Finally, the structure of small clusters has been determined, in good agreement with previous theoretical calculations. [Copyright &y& Elsevier]
- Published
- 2013
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16. Electrosynthesis of L-Cysteine on a Dispersed Pb/Carbon Black Electrode.
- Author
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Saéz, A., Sánchez-Sánchez, C. M., Solla-GuIIón, J., Expósito, E., and Montiel, V.
- Subjects
ELECTROLYTIC reduction ,CATHODES ,VOLTAMMETRY ,SCANNING electrochemical microscopy ,AMINO acids ,NANOPARTICLES - Abstract
The electrosynthesis of L-cysteine (RSH) in aqueous medium has been investigated using Pb particles dispersed on carbon as a cathode for L-cystine electroreduction. Pb particles were synthesized in a water-in-oil microemulsion and later dispersed on carbon Vulcan XC-72. The electrochemical characterization of the Pb/C catalyst was carried out by cyclic voltammetry and scanning electrochemical microscopy (SECM). In particular, an approach of the substrate generation/tip collection mode of the SECM has been used for imaging the RSH generation. Different 20 wt % Pb/C-supported cathodes have been fabricated and morphologically characterized. These cathodes were tested for RSH electrosynthesis and compared with a conventional bulk Pb cathode. After a 100% theoretical charge, our three-dimensional 20 wt % Pb/C cathode exhibits a 30% higher RSH yield and current efficiency than the other cathodes. This performance improvement is related to the increase in the available geometric area of this electrode. We demonstrate the feasibility of using Pb/C particles as a catalyst in a type of cathode for RSH electrosynthesis. Moreover, our Pb/C electrodes show a broad scope because they can be applied to other electrosyntheses of valuable organic compounds where bulk Pb is the conventional cathode at present. [ABSTRACT FROM AUTHOR]
- Published
- 2009
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17. Thermal behaviour of the O2/TiO2 (110)–(1 × 2) surface
- Author
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Abad, J., Sánchez-Sánchez, C., Vilmercati, P., Goldoni, A., López, M.F., and Martin-Gago, J.A.
- Subjects
- *
THERMAL properties , *TITANIUM dioxide , *SURFACE chemistry , *SYNCHROTRON radiation , *ULTRAVIOLET radiation , *PHOTOEMISSION , *ELECTRONIC structure , *OXYGEN - Abstract
Abstract: Synchrotron radiation ultra-violet photoemission at different photon energies (17.1, 19.3, and 21.5 eV) has been used to study the interaction of O2 with the TiO2 (110)–(1 × 2) surface reconstruction at temperatures between 77 and 320 K. At 77 K the results show a weak molecular chemisorption of the O2 molecule on the surface. By analysing the thermal behaviour of the O2/TiO2 system in a temperature range from 77 to 320 K, it has been found that between 120 and 200 K the O2 molecule is dissociated. [Copyright &y& Elsevier]
- Published
- 2011
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18. Chlor-Alkali Industry: A Laboratory Scale Approach.
- Author
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Sánchez-Sánchez, C. M., Expósito, E., Frías-Ferrer, A., González-García, J., Montiel, V., and Aldaz, A.
- Subjects
- *
SEWAGE purification , *ELECTROCHEMISTRY , *ENGINEERING , *SCIENTIFIC experimentation - Abstract
Electrochemical engineering has received increasing attention in recent years. Its most important applications include organic and inorganic electrosynthesis, batteries, and wastewater treatment. Examples of industrial processes involving electrochemical technology are the chior-alkali process, fuel cells, and synthesis of adiponitrile and L-cysteine. Experiments relating to electrochemistry have appeared in increasing numbers in this "Journal of Chemical Education" " in recent years. However, these experiments are mainly focused on the fundamental and the theoretical aspects of this discipline.
- Published
- 2004
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19. Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111)
- Author
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Deniz, O., Sánchez-Sánchez, C., Jaafar, R., Kharche, N., Liang, L., Meunier, V., Feng, X., Müllen, K., Fasel, Roman, and Ruffieux, P.
- Subjects
530 Physics ,540 Chemistry ,570 Life sciences ,biology ,7. Clean energy
20. Waste valorization as an example of circular economy in extremadura (Spain).
- Author
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Cuadros Blázquez, F., González González, A., Sánchez Sánchez, C., Díaz Rodríguez, V., and Cuadros Salcedo, F.
- Subjects
- *
ANAEROBIC digestion , *CHEMICAL oxygen demand , *WATER pollution , *POLYURETHANES , *RATE of return - Abstract
This work demonstrates the possibility of implementing clean, renewable technologies that allow profitable value to be drawn from the highly contaminant waste of a broiler industry. An anaerobic digestion (AD) process can significantly reduce the overall chemical oxygen demand (COD), and the digestate's COD is also reduced to within legal limits by the process of separating its liquid and solid phases. The resulting liquid phase complies with regulations regarding discharge into the sewerage network or irrigation of crops with whose fruit it does not come in contact. The solid phase can be subjected to composting, obtaining an agricultural amendment of good quality. The materials used in the construction of the plant (steel, iron, concrete, paints, polyurethane, and PVC and HDPE plastics) are easily reusable or recyclable using standard technologies once the AD plant has reached the end of its service life (25–30 years). The study of the economic feasibility of the industrial plant, based on previous results, showed that the period of return on investment (PRI), net present value (NPV), and internal rate of return (IRR) economic parameters are highly favourable. In particular, with the use of this technology, a PRI of 7 years and IRR of 14% are achieved. That the plant is economically viable shows that the use of conventional materials would not represent any significant economic savings compared with the use of materials that have standardized protocols for their recycling, with the consequent reduction in negative environmental impacts. [ABSTRACT FROM AUTHOR]
- Published
- 2018
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21. Exploring Cognitive Dysfunction in Long COVID Patients: Eye Movement Abnormalities and Frontal-Subcortical Circuits Implications via Eye-Tracking and Machine Learning.
- Author
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Benito-León J, Lapeña J, García-Vasco L, Cuevas C, Viloria-Porto J, Calvo-Córdoba A, Arrieta-Ortubay E, Ruiz-Ruigómez M, Sánchez-Sánchez C, and García-Cena C
- Abstract
Background: Cognitive dysfunction is regarded as one of the most severe aftereffects following coronavirus disease 2019 (COVID-19). Eye movements, controlled by several brain areas, such as the dorsolateral prefrontal cortex and frontal-thalamic circuits, provide a potential metric for assessing cortical networks and cognitive status. We aimed to examine the utility of eye movement measurements in identifying cognitive impairments in long COVID patients., Methods: We recruited 40 long COVID patients experiencing subjective cognitive complaints and 40 healthy controls and used a certified eye-tracking medical device to record saccades and antisaccades. Machine learning was applied to enhance the analysis of eye movement data., Results: Patients did not differ from the healthy controls regarding age, sex, and years of education. However, the patients' Montreal Cognitive Assessment total score was significantly lower than healthy controls. Most eye movement parameters were significantly worse in patients. These included the latencies, gain (computed as the ratio between stimulus amplitude and gaze amplitude), velocities, and accuracy (evaluated by the presence of hypermetric or hypometria dysmetria) of both visually and memory-guided saccades; the number of correct memory saccades; the latencies and duration of reflexive saccades; and the number of errors in the antisaccade test. Machine learning permitted distinguishing between long COVID patients experiencing subjective cognitive complaints and healthy controls., Conclusion: Our findings suggest impairments in frontal subcortical circuits among long COVID patients who report subjective cognitive complaints. Eye-tracking, combined with machine learning, offers a novel, efficient way to assess and monitor long COVID patients' cognitive dysfunctions, suggesting its utility in clinical settings for early detection and personalized treatment strategies. Further research is needed to determine the long-term implications of these findings and the reversibility of cognitive dysfunctions., (Copyright © 2024 Elsevier Inc. All rights reserved.)
- Published
- 2024
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22. Hydrogen-Induced Reduction Improves the Photoelectrocatalytic Performance of Titania.
- Author
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Sánchez-Sánchez C, Muñoz R, Alfonso-González E, Barawi M, Martínez JI, López-Elvira E, Sánchez-Santolino G, Shibata N, Ikuhara Y, Ellis GJ, García-Hernández M, López MF, de la Peña O'Shea VA, and Martín-Gago JA
- Abstract
One of the main challenges to expand the use of titanium dioxide (titania) as a photocatalyst is related to its large band gap energy and the lack of an atomic scale description of the reduction mechanisms that may tailor the photocatalytic properties. We show that rutile TiO
2 single crystals annealed in the presence of atomic hydrogen experience a strong reduction and structural rearrangement, yielding a material that exhibits enhanced light absorption, which extends from the ultraviolet to the near-infrared (NIR) spectral range, and improved photoelectrocatalytic performance. We demonstrate that both magnitudes behave oppositely: heavy/mild plasma reduction treatments lead to large/negligible spectral absorption changes and poor/enhanced (×10) photoelectrocatalytic performance, as judged from the higher photocurrent. To correlate the photoelectrochemical performance with the atomic and chemical structures of the hydrogen-reduced materials, we have modeled the process with in situ scanning tunneling microscopy measurements, which allow us to determine the initial stages of oxygen desorption and the desorption/diffusion of Ti atoms from the surface. This multiscale study opens a door toward improved materials for diverse applications such as more efficient rutile TiO2 -based photoelectrocatalysts, green photothermal absorbers for solar energy applications, or NIR-sensing materials., Competing Interests: The authors declare no competing financial interest., (© 2024 The Authors. Published by American Chemical Society.)- Published
- 2024
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- View/download PDF
23. Transition mechanism of the coverage-dependent polymorphism of self-assembled melamine nanostructures on Au(111).
- Author
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Zamalloa-Serrano JM, Gómez-Fernández JM, Sánchez-Sánchez C, López MF, Martínez JI, Martín-Gago JÁ, and Palacio I
- Abstract
Molecular self-assembled films have recently attracted increasing attention within the field of nanotechnology as they offer a route to obtain new materials. However, careful selection of the molecular precursors and substrates, as well as exhaustive control of the system evolution is required to obtain the best possible outcome. The three-fold rotational symmetry of melamine molecules and their capability to form hydrogen bonds make them suitable candidates to synthesize this type of self-assembled network. In this work, we have studied the polymorphism of melamine nanostructures on Au(111) at room temperature. We find two coverage-dependent phases: a honeycomb structure (α-phase) for submonolayer coverage and a close-packed structure (β-phase) for full monolayer coverage. A combined scanning tunnel microscopy and density functional theory based-calculations study of the transition regime where both phases coexist allows describing the mechanism underlying this coverage driven phase transition in terms of the changes in the molecular lateral tension.
- Published
- 2024
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24. Somatics and phenomenological psychopathology: a mental health proposal.
- Author
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Sánchez Sánchez C
- Subjects
- Humans, Europe, Mental Health, Psychopathology
- Abstract
This work begins with a brief review - from the physical education movement that began in ancient Greece and is deeply rooted in 19th century Europe, to the somatics movement alive today. The review captures primary historical and conceptual references, relevant to the therapeutic-embodied exploratory work. Then, G. Stanghellini's mental health care model [2] is reviewed. This model is considered within reflexive self-awareness and spoken dialogue: the main vehicles in relation with alterity and its consequences in the realm of psychotherapeutic encounter and intervention. This will highlight the individual's bodily movement and inter-corporeal 'proto-dialogue' as a prior realm of therapeutic intervention. Next, a brief consideration of E. Strauss work [31] is presented. This paper's hypothesis is that bodily qualitative dynamics highlighted by phenomenology are essential for an effective mental health therapeutic intervention. A 'seed' of a framework is proposed in this paper; this seed assesses some phenomenological assets of a positive conception of mental health, for which self-awareness education is key to develop skills such as kinaesthetic intelligence and attunement and to educate healthy persons who can promote edifying social relations and environments., (© 2023. The Author(s).)
- Published
- 2023
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25. Epitaxial growth and characterization of SnSe phases on Au(111).
- Author
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Frezza F, Sánchez-Grande A, Ondráček M, Vondráček M, Chen Q, Stetsovych O, Villalobos-Vilda V, Tosi E, Palomares FJ, López MF, Sánchez-Sánchez C, Ernst KH, Martín-Gago JA, Honolka J, and Jelínek P
- Abstract
Two-dimensional (2D) layered group IV-VI semiconductors attract great interest due to their potential applications in nanoelectronics. Depending on the dimensionality, different phases of the same material can present completely different electronic and optical properties, expanding its applications. Here, we present a combined experimental and theoretical study of the atomic structure and electronic properties of epitaxial SnSe structures grown on a metallic Au(111) substrate, forming almost defect-free 2D layers. We describe a coverage-dependent transition from a metallic β -SnSe to a semiconducting α -SnSe phase. The combination of scanning tunneling microscopy/spectroscopy, non-contact atomic force microscopy, x-ray photoelectron spectroscopy/diffraction and angle-resolved photoemission spectroscopy, complemented by density functional theory, provides a comprehensive study of the geometric and electronic structure of both phases. Our work demonstrates the possibility to grow two distinct SnSe phases on Au(111) with high quality and on a large scale. The strong interaction with the substrate allows the stabilization of the previously experimentally unreported β -SnSe, while the ultra-thin films of orthorhombic α -SnSe are structurally and electronically equivalent to bulk SnSe., (Creative Commons Attribution license.)
- Published
- 2023
- Full Text
- View/download PDF
26. On-surface synthesis of metal-organic frameworks: the critical role of the reaction conditions.
- Author
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Ruiz Del Árbol N, Sánchez-Sánchez C, Martínez JI, Rodríguez L, Serrate D, Verdini A, Floreano L, Jacobson P, Grill L, Martín-Gago JA, and López MF
- Abstract
Two different metal-organic frameworks with either a honeycomb or Kagome structure were grown on Cu(111) using para -aminophenol molecules and native surface adatoms. Although both frameworks are made up from the same chemical species, they are structurally different emphasizing the critical role being played by the reaction conditions during their growth. This work highlights the importance of the balance between thermodynamics and kinetics in the final structure of surface-supported metal-organic networks.
- Published
- 2023
- Full Text
- View/download PDF
27. The Role of Metal Adatoms in a Surface-Assisted Cyclodehydrogenation Reaction on a Gold Surface.
- Author
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Björk J, Sánchez-Sánchez C, Chen Q, Pignedoli CA, Rosen J, Ruffieux P, Feng X, Narita A, Müllen K, and Fasel R
- Abstract
Dehydrogenation reactions are key steps in many metal-catalyzed chemical processes and in the on-surface synthesis of atomically precise nanomaterials. The principal role of the metal substrate in these reactions is undisputed, but the role of metal adatoms remains, to a large extent, unanswered, particularly on gold substrates. Here, we discuss their importance by studying the surface-assisted cyclodehydrogenation on Au(111) as an ideal model case. We choose a polymer theoretically predicted to give one of two cyclization products depending on the presence or absence of gold adatoms. Scanning probe microscopy experiments observe only the product associated with adatoms. We challenge the prevalent understanding of surface-assisted cyclodehydrogenation, unveiling the catalytic role of adatoms and their effect on regioselectivity. The study adds new perspectives to the understanding of metal catalysis and the design of on-surface synthesis protocols for novel carbon nanomaterials., (© 2022 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.)
- Published
- 2022
- Full Text
- View/download PDF
28. Refractive outcomes of toric intraocular lens in combined trabecular micro bypass stent implantation and cataract surgery in glaucomatous eyes.
- Author
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López-Caballero C, Sánchez-Sánchez C, Puerto B, Blázquez V, Sánchez-Pina JM, and Contreras I
- Subjects
- Humans, Lens Implantation, Intraocular, Refraction, Ocular, Stents, Astigmatism, Cataract, Glaucoma, Lenses, Intraocular, Phacoemulsification
- Abstract
Purpose: To evaluate the impact of trabecular micro bypass stents (iStent Inject) on refractive outcomes with toric intraocular lens (IOL) in glaucomatous eyes., Methods: We identified glaucomatous eyes receiving a toric IOL between October 2017 and December 2020. Eyes with iStent implantation were included in the study group and eyes undergoing isolated phacoemulsification served as controls. Corrected and uncorrected visual acuity, manifest refraction, intraocular pressure (IOP), and number of hypotensive drugs three months after surgery were evaluated., Results: 26 eyes comprised the study group and 41 eyes the control group. Mean postoperative refractive cylinder was 0.26D in the control and 0.11D in the iStent group, with 63% and 85% of eyes with a cylinder of 0 and 85% and 92% of eyes with a cylinder ≤ 0.5D respectively. The mean absolute difference between target and outcome spherical equivalent was 0.26D in the control and 0.22D in the iStent group, with all eyes within 0.75D of target. LogMar uncorrected postoperative vision in eyes targeted for emmetropia was 0.04 in the control and 0.03 in the iStent group. There was a statistically significant reduction in IOP and number of hypotensive drugs in both groups, with a mean decrease in IOP of 8.6% in the control and 15.7% in the iStent group. The number of hypotensive drugs dropped from 1.63 ± 0.80 to 1.34 ± 0.91 in the control group and from 2.12 ± 0.65 to 0.44 ± 0.71 in the iStent group., Conclusion: Toric IOLs provide predictable refractive outcomes in glaucomatous eyes undergoing combined phacoemulsification with iStent implantation, reducing postoperative spectacle dependence., (© 2022. The Author(s), under exclusive licence to Springer Nature B.V.)
- Published
- 2022
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- View/download PDF
29. Development of real-time PCR methods for the quantification of Methanoculleus, Methanosarcina and Methanobacterium in anaerobic digestion.
- Author
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Sánchez-Sánchez C, Aranda-Medina M, Rodríguez A, Hernández A, Córdoba MG, Cuadros-Blázquez F, and Ruiz-Moyano S
- Subjects
- Anaerobiosis, Archaea genetics, Bioreactors, Methane, Methanosarcina genetics, Real-Time Polymerase Chain Reaction, Reproducibility of Results, Methanobacterium genetics, Methanomicrobiaceae genetics
- Abstract
Anaerobic digestion is a growing technology to manage organic waste and produce bioenergy. To promote this technology, it is essential to know, at the molecular level, the dynamics of microbial communities, specifically the methanogenic community. In the present study, three primer pairs were selected from seven primer pairs which were designed and tested with different concentrations and conditions to detect Methanosarcina, Methanoculleus and Methanobacterium by real-time PCR based on the SYBR Green System. The functionality of the developed methods was demonstrated by the high linear relationship of the standard curves, and the specificity of each primer was empirically verified by testing DNA isolated from methane-producing and non-producing strains. These assays also exhibited good repeatability and reproducibility, which indicates the robustness of the methods. The described primers were successfully used to investigate the methanogenic communities of 10 samples from an anaerobic co-digestion. The genus Methanosarcina was the dominant methanogenic group., (Copyright © 2022 Elsevier B.V. All rights reserved.)
- Published
- 2022
- Full Text
- View/download PDF
30. Is the Predisposition to Have More Children Beneficial among Parents with Only One Child? Evidence from Spanish Parents.
- Author
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Gómez-Ortiz O and Sánchez-Sánchez C
- Subjects
- Adult, Child, Preschool, Disease Susceptibility, Female, Humans, Male, Personality, Personality Disorders, Social Support, Parenting psychology, Perfectionism
- Abstract
The fertility deficit in many European countries is related to a low rate of second births. Understanding the factors associated with the predisposition of one-child parents to have more children could contribute to the search for solutions to this social problem. Although previous evidence highlights the role of employment and social factors, psychological factors have been poorly investigated. This study examines the relationship between different psychosocial factors (rumination, personality, life satisfaction, perfectionism, social support, parental stress, guilt linked to work-family conflict, age and child temperament) and parents' predisposition to have more children. The sample consisted of 96 one-child Spanish parents whose child was in early childhood education (59.3% women; M
age = 37.41). The results show that one-child parents with the predisposition to have more children, compared to those without a predisposition to have more children, showed higher levels of life satisfaction, extroversion and adaptive perfectionism but lower levels of rumination and parental stress. The social implications of these findings and how they may affect parenting today are discussed.- Published
- 2022
- Full Text
- View/download PDF
31. Cross-cultural adaptation and psychometric validation of a Spanish version of the revised Patients' Attitudes Towards Deprescribing (rPATD) questionnaire.
- Author
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de Juan-Roldán JI, Castillo-Jimena M, González-Hevilla A, Sánchez-Sánchez C, García-Ruiz AJ, and Gavilán-Moral E
- Subjects
- Aged, Attitude, Cross-Cultural Comparison, Cross-Sectional Studies, Humans, Psychometrics, Reproducibility of Results, Surveys and Questionnaires, Deprescriptions
- Abstract
Objectives: Successful deprescribing depends largely on factors related to the patient. The revised Patients' Attitudes Towards Deprescribing (rPATD) questionnaire was developed with the objective of evaluating the beliefs and attitudes of older adults and caregivers towards deprescribing. The present study was designed to validate a Spanish version of the rPATD questionnaire, both the versions for older adults and for caregivers, through a qualitative validation phase and the analysis of its psychometric properties., Design: Cross-sectional validation study., Setting: Primary care settings in Málaga (Spain)., Participants: A sample of 120 subjects (60 patients with polypharmacy and 60 caregivers of patients with polypharmacy) were enrolled in the study., Main Outcome Measures: In the qualitative validation stage, the rPATD questionnaire was translated/back-translated and subjected to a cross-cultural adaptation to evaluate its face validity and feasibility. Next, its psychometric properties were assessed. Confirmatory factor analysis was used to evaluate construct validity. Internal consistency was determined using Cronbach's alpha test. Criterion validity through pre-established hypotheses from the Beliefs about Medicines Questionnaire (BMQ) Specific-Concerns Scale, and test-retest reliability were analysed., Results: Confirmatory factor analysis verified the four-factor structure of the original rPATD questionnaire, with items loading into four factors: involvement , burden , appropriateness and concerns about stopping . The Cronbach's alpha coefficient of the factors ranged from 0.683 to 0.879. The burden , appropriateness and concerns about stopping factors were significantly correlated with the BMQ Specific-Concerns Score, except for the concerns about stopping factor in the older adults' version. The consistency of the items between administration times (test-retest reliability) showed weighted Cohen's kappa values ranging from moderate (>0.4) to very good (>0.8)., Conclusions: The Spanish version of the rPATD questionnaire is a feasible, valid and reliable instrument to evaluate attitudes towards deprescribing in Spanish-speaking patients and caregivers., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
- Published
- 2022
- Full Text
- View/download PDF
32. On-Surface Thermal Stability of a Graphenic Structure Incorporating a Tropone Moiety.
- Author
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Márquez IR, Ruíz Del Árbol N, Urgel JI, Villalobos F, Fasel R, López MF, Cuerva JM, Martín-Gago JA, Campaña AG, and Sánchez-Sánchez C
- Abstract
On-surface synthesis, complementary to wet chemistry, has been demonstrated to be a valid approach for the synthesis of tailored graphenic nanostructures with atomic precision. Among the different existing strategies used to tune the optoelectronic and magnetic properties of these nanostructures, the introduction of non-hexagonal rings inducing out-of-plane distortions is a promising pathway that has been scarcely explored on surfaces. Here, we demonstrate that non-hexagonal rings, in the form of tropone (cycloheptatrienone) moieties, are thermally transformed into phenyl or cyclopentadienone moieties upon an unprecedented surface-mediated retro-Buchner-type reaction involving a decarbonylation or an intramolecular rearrangement of the CO unit, respectively.
- Published
- 2022
- Full Text
- View/download PDF
33. Prevalence of Burnout Syndrome and Job Satisfaction in Music Therapists in Spain: A Cross-Sectional, Descriptive Study.
- Author
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Sequera-Martín M, Ramos-Fuentes MI, Garrido-Ardila EM, Sánchez-Sánchez C, de la Torre-Risquez A, and Rodríguez-Mansilla J
- Subjects
- Adult, Burnout, Psychological, Cross-Sectional Studies, Female, Humans, Job Satisfaction, Male, Prevalence, Spain epidemiology, Surveys and Questionnaires, Burnout, Professional epidemiology, Music
- Abstract
Background: Burnout syndrome and job satisfaction are topics of increasing interest due to their relevance in people's health and well-being. Besides, they are considered very relevant in the fields of social and health care studies., Objective: The objective of this study was to analyse the professional profile of music therapists in Spain and the prevalence of burnout syndrome and job satisfaction among them., Methods: This was an observational, descriptive, cross-sectional study, carried out using an ad-hoc online questionnaire, the Maslach Scale and the general satisfaction scale on a sample of employed Spanish music therapists with more than two years of working experience in Spain., Results: Eighty questionnaires were analysed. The majority of the participants were between 30-39 years old (38.8%) and were women (85%). They combined their profession with other occupations (76.3%), mostly in care roles with a fix term contract and were self-employed (40%). The prevalence of burnout syndrome was 3.8% ( p < 0.001) and the predisposition or tendency to develop this condition was over 57.5% ( p < 0.001). The highest levels of burnout syndrome were found in professionals with trainee contracts ( p = 0.001), in those who were providing training ( p = 0.021), who attended 6 to 10 patients per week ( p = 0.001), who were usually working with a therapist colleague ( p = 0.046) and those who did not take prescribed psychotropic drugs ( p = 0.034). The highest level of job satisfaction was observed in music therapists working in the field of disability ( p = 0.010) and mental health ( p = 0.022) and with seniority in their job position. The lowest level of job satisfaction was seen in music therapists with trainee contracts ( p = 0.041), with less working hours per week ( p = 0.016), working in the field of education ( p = 0.006) and in those who did not feel valued by their colleagues ( p < 0.001) or by the director of the centre where they worked ( p < 0.001)., Conclusions: Based on the results of this study, Spanish music therapists show a low prevalence of burnout syndrome but a moderate-high predisposition to develop it. Music therapists with burnout syndrome are those who work longer hours and perform their job in palliative care setting. In general, music therapists have a high level of both intrinsic and extrinsic job satisfaction. The lowest level of job satisfaction was found in music therapists with trainee contracts and the highest in music therapists with senior positions.
- Published
- 2021
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34. Visual Function and Patient Satisfaction with Multifocal Intraocular Lenses in Patients with Glaucoma and Dry Age-Related Macular Degeneration.
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Sánchez-Sánchez C, Rementería-Capelo LA, Puerto B, López-Caballero C, Morán A, Sánchez-Pina JM, and Contreras I
- Abstract
Purpose: To report visual function and self-reported satisfaction of patients with glaucoma and dry age-related macular degeneration (dAMD) implanted with multifocal intraocular lenses (MIOL)., Methods: Patients with glaucoma or dAMD as well as healthy individuals implanted with MIOL were invited to participate. Explorations performed were uncorrected and corrected distance visual acuity (UDVA and CDVA), low-contrast visual acuity (LCVA), binocular contrast sensitivity, and defocus curves. Patients completed the Catquest-9 questionnaire and reported on the presence of dysphotopsias and the need for spectacles., Results: 38 subjects were included: 11 in the healthy/control group and 9 each in the preperimetric glaucoma, perimetric glaucoma, and dAMD groups. Controls had statistically better monocular UDVA, CDVA, and LCVA than patients with glaucoma and dAMD, as well as better binocular acuity in the defocus curves between -2.00 D and +0.50 D. Differences between controls and patients with preperimetric glaucoma were not statistically significant. Between -3.0 D and +0.5 D, all groups except dAMD achieved acuities better than 0.2 logMAR. Patients with dAMD had worse contrast sensitivity than all others for 3 cycles per degree (cpd), and patients with glaucoma had worse values than all others for 12 cpd; other differences did not reach statistical significance. Healthy subjects and patients with preperimetric glaucoma perceived halos more often than patients with glaucoma or dAMD, while suffering less from glare. Patients with glaucoma and dAMD found more difficulties when driving at night and required spectacles for near more often than the other subjects. Patients with dAMD were less satisfied with their vision., Conclusions: MIOLs may be implanted in patients with preperimetric glaucoma with little fear of patient dissatisfaction. In glaucoma and dAMD, MIOLs might be considered with caution, after explaining the increased risk of glare and the higher need for spectacle correction for reading., Competing Interests: The authors declare that they have no conflicts of interest., (Copyright © 2021 Carmen Sánchez-Sánchez et al.)
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- 2021
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35. Insertion of single-ion magnets based on mononuclear Co(II) complexes into ferromagnetic oxalate-based networks.
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Palacios-Corella M, García-López V, Sánchez-Sánchez C, Clemente-Juan JM, Clemente-León M, and Coronado E
- Abstract
The 1 : 2 and 1 : 1 Co(ii) complexes of the L ligand (L = 6-(3,5-diamino-2,4,6-triazinyl)2,2'-bipyridine) with formulas [CoII(L)2](ClO4)2·0.5MeCN·Et2O (1) and [CoII(L)(CH3CN)2(H2O)](ClO4)2·MeCN (2) have been prepared. The structural and magnetic characterization of the two compounds shows that they contain octahedral high-spin Co(ii) and present a field-induced slow relaxation of the magnetization. 1 has been inserted into a bimetallic oxalate-based network leading to a novel achiral 3D compound of formula [CoII(L)2][MnIICrIII(ox)3]2·(solvate) (3) exhibiting ferromagnetic ordering below 4.6 K. EPR measurements suggest a weak magnetic coupling between the two sublattices.
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- 2021
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36. SARS-COV-2 infection in pregnant women and newborns in a Spanish cohort (GESNEO-COVID) during the first wave.
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Carrasco I, Muñoz-Chapuli M, Vigil-Vázquez S, Aguilera-Alonso D, Hernández C, Sánchez-Sánchez C, Oliver C, Riaza M, Pareja M, Sanz O, Pérez-Seoane B, López J, Márquez E, Domínguez-Rodríguez S, Hernanz-Lobo A, De León-Luis JA, Sánchez-Luna M, and Navarro ML
- Subjects
- Adult, Anti-Bacterial Agents therapeutic use, Antiviral Agents therapeutic use, COVID-19 physiopathology, COVID-19 therapy, COVID-19 Nucleic Acid Testing, Cesarean Section statistics & numerical data, Cohort Studies, Comorbidity, Cough physiopathology, Diabetes, Gestational epidemiology, Dyspnea physiopathology, Female, Fever physiopathology, Gestational Age, Humans, Hypertension epidemiology, Hypothyroidism epidemiology, Immunologic Factors therapeutic use, Infant, Newborn, Infectious Disease Transmission, Vertical, Intensive Care Units statistics & numerical data, Lung diagnostic imaging, Male, Obesity, Maternal epidemiology, Pneumonia, Viral diagnostic imaging, Pneumonia, Viral physiopathology, Pneumonia, Viral therapy, Pregnancy, Pregnancy Complications epidemiology, Pregnancy Complications, Infectious physiopathology, Pregnancy Complications, Infectious therapy, Pregnancy Trimester, Second, Pregnancy Trimester, Third, Radiography, Thoracic, Respiration, Artificial, Risk Factors, SARS-CoV-2, Severity of Illness Index, Spain epidemiology, COVID-19 Drug Treatment, COVID-19 epidemiology, Carrier State epidemiology, Pregnancy Complications, Infectious epidemiology, Premature Birth epidemiology
- Abstract
Background: Knowledge about SARS-CoV-2 infection in pregnancy and newborns is scarce. The objective of this study is to analyse clinical and epidemiological characteristics of a cohort of women infected with SARS-CoV-2 during pregnancy and their newborns exposed to SARS-CoV-2 during gestation., Methods: Multicentric observational study of Spanish hospitals from the GESNEO-COVD cohort, participants in RECLIP (Spanish Network of Paediatric Clinical Assays). Women with confirmed SARS-CoV-2 infection by PCR and/or serology during pregnancy, diagnosed and delivering during the period 15/03/2020-31/07/2020 were included. Epidemiological, clinical, and analytical data was collected., Results: A total of 105 pregnant women with a median of 34.1 years old (IQR: 28.8-37.1) and 107 newborns were included. Globally, almost 65% of pregnant women had some COVID-19 symptoms and more than 43% were treated for SARS-COV-2. Overall, 30.8% of pregnant women had pneumonia and 5 (4.8%) women were admitted to the intensive care unit needing invasive mechanical ventilation. There was a rate of 36.2% of caesarean sections, which was associated with pneumonia during pregnancy (OR: 4.203, CI 95%: 1.473-11.995) and lower gestational age at delivery (OR: 0.724, CI 95%: 0.578-0.906). The prevalence of preterm birth was 20.6% and prematurity was associated with pneumonia during gestation (OR: 6.970, CI95%: 2.340-22.750) and having a positive SARS-CoV-2 PCR at delivery (OR: 6.520, CI95%: 1.840-31.790). All nasopharyngeal PCR in newborns were negative at birth and one positivized at 15 days of life. Two newborns died, one due to causes related to prematurity and another of unexpected sudden death during early skin-to-skin contact after delivery., Conclusions: Although vertical transmission has not been reported in this cohort, the prognosis of newborns could be worsened by SARS-CoV-2 infection during pregnancy as COVID-19 pneumonia increased the risk of caesarean section deliveries and preterm births.
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- 2021
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37. Prevalence of advanced heart failure and use of palliative care in admitted patients: Findings from the EPICTER study.
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Fernández-Martinez J, Romero-Correa M, Salamanca-Bautista P, Aramburu-Bodas Ó, Formiga F, Vázquez-Rodríguez P, Conde-Martel A, García-García JA, Páez-Rubio I, López-Reboiro M, Sánchez-Sánchez C, and Arias-Jiménez JL
- Subjects
- Cross-Sectional Studies, Female, Hospitalization, Humans, Prevalence, Heart Failure diagnosis, Heart Failure epidemiology, Heart Failure therapy, Palliative Care
- Abstract
Introduction and Aim: Palliative care in patients with advanced heart failure is strongly recommended by Clinical Practice Guidelines. We aimed to calculate the prevalence of advanced heart failure in admitted patients, to describe their management, and to analyse the factors that influence their referral to specialised palliative care., Patients and Methods: Cross-sectional, multicentre study that consecutively included patients admitted for heart failure in 74 Spanish hospitals. If they met criteria for advanced heart failure, their treatment, complications and procedures were recorded., Results: A total of 3153 patients were included. Of them, 739 (23%) met criteria for advanced heart failure. They were more likely to be women, older and to have a history of anaemia, chronic kidney disease and cognitive impairment. For their management, furosemide infusions (30%) and vasodilators (21%) were used. Refractory symptoms were treated with opioids (47%) and benzodiazepines (44%). Palliative care was only provided in the last hours of life in 48% of them. A multidisciplinary approach, involving palliative care specialists was sought in 15% of these patients. Treatment with furosemide infusions, an advanced New York Heart Association functional class, to meet advanced HF criteria and the presence of cancer were associated with the referral to specialised palliative care., Conclusions: Almost one in four patients admitted with HF met criteria of advanced disease. They were older and had more comorbidities. Specialist palliative care services were involved in only a minority of patients, mainly those who were highly symptomatic or had cancer., Competing Interests: Declaration of Competing Interest The authors report no relationships that could be construed as a conflict of interest., (Copyright © 2020 Elsevier B.V. All rights reserved.)
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- 2021
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38. Copper-assisted oxidation of catechols into quinone derivatives.
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Gómez-Herrero AC, Sánchez-Sánchez C, Chérioux F, Martínez JI, Abad J, Floreano L, Verdini A, Cossaro A, Mazaleyrat E, Guisset V, David P, Lisi S, Martín Gago JA, and Coraux J
- Abstract
Catechols are ubiquitous substances often acting as antioxidants, thus of importance in a variety of biological processes. The Fenton and Haber-Weiss processes are thought to transform these molecules into aggressive reactive oxygen species (ROS), a source of oxidative stress and possibly inducing degenerative diseases. Here, using model conditions (ultrahigh vacuum and single crystals), we unveil another process capable of converting catechols into ROSs, namely an intramolecular redox reaction catalysed by a Cu surface. We focus on a tri-catechol, the hexahydroxytriphenylene molecule, and show that this antioxidant is thereby transformed into a semiquinone, as an intermediate product, and then into an even stronger oxidant, a quinone, as final product. We argue that the transformations occur via two intramolecular redox reactions: since the Cu surface cannot oxidise the molecules, the starting catechol and the semiquinone forms each are, at the same time, self-oxidised and self-reduced. Thanks to these reactions, the quinone and semiquinone are able to interact with the substrate by readily accepting electrons donated by the substrate. Our combined experimental surface science and ab initio analysis highlights the key role played by metal nanoparticles in the development of degenerative diseases., Competing Interests: There are no conflicts to declare., (This journal is © The Royal Society of Chemistry.)
- Published
- 2020
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39. On-Surface Driven Formal Michael Addition Produces m-Polyaniline Oligomers on Pt(111).
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Ruiz Del Árbol N, Sánchez-Sánchez C, Otero-Irurueta G, Martínez JI, de Andrés PL, Gómez-Herrero AC, Merino P, Piantek M, Serrate D, Lacovig P, Lizzit S, Alemán J, Ellis GJ, López MF, and Martín-Gago JA
- Abstract
On-surface synthesis is emerging as a highly rational bottom-up methodology for the synthesis of molecular structures that are unattainable or complex to obtain by wet chemistry. Here, oligomers of meta-polyaniline, a known ferromagnetic polymer, were synthesized from para-aminophenol building-blocks via an unexpected and highly specific on-surface formal 1,4 Michael-type addition at the meta position, driven by the reduction of the aminophenol molecule. We rationalize this dehydrogenation and coupling reaction mechanism with a combination of in situ scanning tunneling and non-contact atomic force microscopies, high-resolution synchrotron-based X-ray photoemission spectroscopy and first-principles calculations. This study demonstrates the capability of surfaces to selectively modify local molecular conditions to redirect well-established synthetic routes, such as Michael coupling, towards the rational synthesis of new covalent nanostructures., (© 2020 The Authors. Published by Wiley-VCH GmbH.)
- Published
- 2020
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40. On-surface Synthesis of a Chiral Graphene Nanoribbon with Mixed Edge Structure.
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Keerthi A, Sánchez-Sánchez C, Deniz O, Ruffieux P, Schollmeyer D, Feng X, Narita A, Fasel R, and Müllen K
- Abstract
Chiral graphene nanoribbons represent an important class of graphene nanomaterials with varying combinations of armchair and zigzag edges conferring them unique structure-dependent electronic properties. Here, we describe the on-surface synthesis of an unprecedented cove-edge chiral GNR with a benzo-fused backbone on a Au(111) surface using 2,6-dibromo-1,5-diphenylnaphthalene as precursor. The initial precursor self-assembly and the formation of the chiral GNRs upon annealing are revealed, along with a relatively small electronic bandgap of approximately 1.6 eV, by scanning tunnelling microscopy and spectroscopy., (© 2020 The Authors. Published by Wiley-VCH GmbH.)
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- 2020
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41. Role of the metal surface on the room temperature activation of the alcohol and amino groups of p-aminophenol.
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Del Árbol NR, Palacio I, Sánchez-Sánchez C, Otero-Irurueta G, Martínez JI, Rodríguez L, Serrate D, Cossaro A, Lacovig P, Lizzit S, Verdini A, Floreano L, Martín-Gago JA, and López MF
- Abstract
We present a comparative study of the room-temperature adsorption of p-aminophenol (p-AP) molecules on three metal surfaces, namely Cu(110), Cu(111) and Pt(111). We show that the chemical nature and the structural symmetry of the substrate control the activation of the terminal molecular groups, which result in different arrangements of the interfacial molecular layer. To this aim, we have used in-situ STM images combined with synchrotron radiation high resolution XPS and NEXAFS spectra, and the results were simulated by DFT calculations. On copper, the interaction between the molecules and the surface is weaker on the (111) surface crystal plane than on the (110) one, favouring molecular diffusion and leading to larger ordered domains. We demonstrate that the p-AP molecule undergoes spontaneous dehydrogenation of the alcohol group to form phenoxy species on all the studied surfaces, however, this process is not complete on the less reactive surface, Cu(111). The Pt(111) surface exhibits stronger molecule-surface interaction, inducing a short-range ordered molecular arrangement that increases overtime. In addition, on the highly reactive Pt(111) surface other chemical processes are evidenced, such as the dehydrogenation of the amine group.
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- 2020
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42. Changes in Ganglion Cell Complex and Peripapillary Retinal Nerve Fiber Layer after Femtosecond Laser-Assisted Cataract Surgery Compared to Manual Phacoemulsification in Patients Receiving a Trifocal Intraocular Lens.
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Sánchez-Sánchez C, Rementería-Capelo LA, Carrillo V, Pérez-Lanzac J, and Contreras I
- Abstract
Introduction: During femtosecond laser-assisted cataract surgery (FLACS), there is a significant increase in intraocular pressure, which might lead to ganglion cell damage. We aimed to determine whether there were differences in the changes produced in the ganglion cell complex (GCC) and peripapillary retinal nerve fiber layer (pRNFL) thickness, as evaluated with optical coherence tomography (OCT), between phacoemulsification and FLACS, after implantation of a trifocal intraocular lens (IOL)., Methods: Patients with no coexistent pathologies undergoing cataract surgery with implantation of a PanOptix IOL were explored with the Cirrus-OCT before and three months after surgery. GCC values were obtained from the built-in software. The differences between pre- and postoperative GCC and pRNFL thicknesses after phacoemulsification were compared to differences after FLACS., Results: A total of 171 eyes were included, 74 undergoing FLACS and 97 phacoemulsification. For both groups, there was a statistically significant increase in GCC values after cataract surgery, except for the inferior and inferonasal sectors. There were no statistically significant differences between FLACS and phacoemulsification. Mean change in average GCC and minimum GCC were 1.08 ± 1.40 µ m (range -1 to +6 µ m) and 1.69 ± 2.54 µ m (range -3 to +11 µ m) after FLACS and 0.99 ± 1.67 µ m (range -5 to +6 µ m) and 2.02 ± 3.54 µ m (-6 to +18 µ m) after phacoemulsification. These values are similar to those previously reported after phacoemulsification with monofocal IOL implantation. No significant changes after surgery were detected for the pRNFL, with no differences between groups. Discussion . There were no differences in the changes produced by FLACS and phacoemulsification in either GCC or pRNFL values. Although mean change was small, the range of variation was wide. Therefore, it is necessary to establish a new baseline for GCC and pRNFL thicknesses after cataract surgery in order to monitor any subsequent changes., Competing Interests: The authors declare that they have no conflicts of interest., (Copyright © 2020 Carmen Sánchez-Sánchez et al.)
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- 2020
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43. Is bedtime treatment appropriate for all hypertensive patients?
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Sánchez-Sánchez C, López-Caballero C, Contreras I, Puerto B, and Blazquez-Bermejo Z
- Subjects
- Chronotherapy, Heart Disease Risk Factors, Humans, Risk Factors, Cardiovascular Diseases, Hypertension drug therapy
- Published
- 2020
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44. Predictors of Response to Exclusive Enteral Nutrition in Newly Diagnosed Crohn´s Disease in Children: PRESENCE Study from SEGHNP.
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Moriczi M, Pujol-Muncunill G, Martín-Masot R, Jiménez Treviño S, Segarra Cantón O, Ochoa Sangrador C, Peña Quintana L, González Santana D, Rodríguez Martínez A, Rosell Camps A, Armas H, Barrio J, González de Caldas R, Rodríguez Salas M, Balmaseda Serrano E, Donat Aliaga E, Bodas Pinedo A, Vaquero Sosa E, Vecino López R, Solar Boga A, Moreno Álvarez A, Sánchez Sánchez C, Tolín Hernani M, Gutiérrez Junquera C, Martinón Torres N, Leis Trabazo MR, Eizaguirre FJ, García Peris M, Medina Benítez E, Fernández Caamaño B, Vegas Álvarez AM, Crespo Valderrábano L, Alonso Vicente C, Rubio Santiago J, Galera-Martínez R, García-Romero R, Ros Arnal I, Fernández Cebrián S, Lorenzo Garrido H, Viada Bris JF, Velasco Rodríguez-Belvis M, Bartolomé Porro JM, Blanco Rodríguez M, Barros García P, Botija G, Chicano Marín FJ, La Orden Izquierdo E, Crehuá-Gaudiza E, Navas-López VM, and Martín-de-Carpi J
- Subjects
- Adolescent, Child, Crohn Disease diagnosis, Crohn Disease metabolism, Female, Humans, Male, Remission Induction, Retrospective Studies, Crohn Disease therapy, Enteral Nutrition
- Abstract
Exclusive enteral nutrition (EEN) has been shown to be more effective than corticosteroids in achieving mucosal healing in children with Crohn´s disease (CD) without the adverse effects of these drugs. The aims of this study were to determine the efficacy of EEN in terms of inducing clinical remission in children newly diagnosed with CD, to describe the predictive factors of response to EEN and the need for treatment with biological agents during the first 12 months of the disease. We conducted an observational retrospective multicentre study that included paediatric patients newly diagnosed with CD between 2014-2016 who underwent EEN. Two hundred and twenty-two patients (140 males) from 35 paediatric centres were included, with a mean age at diagnosis of 11.6 ± 2.5 years. The median EEN duration was 8 weeks (IQR 6.6-8.5), and 184 of the patients (83%) achieved clinical remission (weighted paediatric Crohn's Disease activity index [wPCDAI] < 12.5). Faecal calprotectin (FC) levels (μg/g) decreased significantly after EEN (830 [IQR 500-1800] to 256 [IQR 120-585] p < 0.0001). Patients with wPCDAI ≤ 57.5, FC < 500 μg/g, CRP >15 mg/L and ileal involvement tended to respond better to EEN. EEN administered for 6-8 weeks is effective for inducing clinical remission. Due to the high response rate in our series, EEN should be used as the first-line therapy in luminal paediatric Crohn's disease regardless of the location of disease and disease activity.
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- 2020
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45. Unilateral acute iris depigmentation and transillumination after glaucoma surgery with mitomycin application and intracameral moxifloxacin.
- Author
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Sánchez-Sánchez C, Puerto B, López-Caballero C, and Contreras I
- Abstract
Purpose: Bilateral acute iris depigmentation (BADI) and transillumination (BATI) syndromes have been linked with the use of antibiotics, especially fluoroquinolones. They are characterized by acute onset of pigment dispersion in the anterior chamber, depigmentation of the iris and pigment deposition in the angle and in the posterior surface of the cornea (BADI), with iris transillumination defects and atonic pupil with sphincter paralysis (BATI). The purpose of this paper is to report the development of clinical depigmentation and iris damage similar to BADI and BATI in patients who had undergone uneventful glaucoma surgery with intracameral moxifloxacin as prophylaxis for endophthalmitis., Observations: Four patients who had undergone Ex-Press implantation (cases 1 and 2) or non-penetrating deep sclerotomy (cases 3 and 4) developed asymptomatic pigment dispersion in the anterior chamber, which cleared after treatment with topical corticosteroids and NSAIDS. However, pupillary damage ensued, with mid-midriasis and pigment deposition under the filtration bleb., Conclusions and Importance: This is, to the best of our knowledge, the first report of acute unilateral iris depigmentation and transillumination after intracameral use of moxifloxacin. Moxifloxacin's toxic effect may have been promoted by the subconjuntival mitomycin employed to prevent scarring at the filtration bleb. Surgeons should be aware of these potential side-effects of drugs used as widely as moxifloxacin and mitomycin., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2020 The Authors.)
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- 2020
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46. Differential pulse voltammetric determination of the carcinogenic diamine 4,4'-oxydianiline by electrochemical preconcentration on a MoS 2 based sensor.
- Author
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Del Pozo M, Sánchez-Sánchez C, Vázquez L, Blanco E, Petit-Domínguez MD, Martín-Gago JÁ, Casero E, and Quintana C
- Subjects
- Adsorption, Carbon chemistry, Carcinogens chemistry, Electrochemical Techniques instrumentation, Electrochemical Techniques methods, Electrodes, Limit of Detection, Phenyl Ethers chemistry, Rivers chemistry, Water Pollutants, Chemical analysis, Water Pollutants, Chemical chemistry, Carcinogens analysis, Disulfides chemistry, Molybdenum chemistry, Nanostructures chemistry, Phenyl Ethers analysis
- Abstract
An electrochemical sensor for the carcinogen 4,4'-oxydianiline (Oxy) is described. The method is based on the ability of MoS
2 nanosheets to preconcentrate Oxy. A glassy carbon electrode (GCE) was covered, by drop-casting, with MoS2 nanosheets that were obtained by exfoliation. X-Ray photoemission spectroscopy indicates that Oxy accumulates on the MoS2 nanosheets through an electropolymerization process similar to that reported for aniline. Both electrochemical impedance spectroscopy and atomic force microscopy were used to characterize the electrode surface at the different stages of device fabrication. Employing the current measured at +0.27 V vs. Ag/AgCl after Oxy adsorption, the modified GCE enables the voltammetric detection of Oxy at 80 nM levels with relative errors and relative standard deviations of <8.3 and <5.6%, respectively, at all the concentrations studied. The method was applied to the selective determination of Oxy in spiked river water samples. Very good selectivity and recoveries of around 95% in average are found. Graphical abstractSchematic representation of 4,4-oxydianiline electrochemical polymerization and preconcentration onto molybdenum disulfide nanosheets for the diamine determination in river waters.- Published
- 2019
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47. Endoscopic balloon dilation in duodenal stenosis secondary to intestinal lymphoma in a heart transplant patient.
- Author
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Rodríguez Jiménez C, Tolín Hernani MDM, and Sánchez Sánchez C
- Subjects
- Balloon Enteroscopy, Child, Duodenal Neoplasms complications, Duodenal Obstruction etiology, Humans, Intestinal Atresia etiology, Lymphoma complications, Male, Postoperative Complications etiology, Duodenal Obstruction therapy, Duodenoscopy, Heart Transplantation, Intestinal Atresia therapy, Postoperative Complications therapy
- Abstract
Intestinal lymphoma can appear as a result of a state of immunosuppression, secondary to the transplantation of solid organs. Treatment with chemotherapy can result in various complications such as intestinal stenosis due to fibrotic scar tissue, which is a complication barely described in the literature. We present the case of a 12-year-old male with a heart transplant, who was diagnosed with intestinal lymphoma. After chemotherapy treatment, he developed 1-2 daily vomiting episodes as a result of intestinal stenosis due to fibrosis without tumor infiltration. Endoscopic balloon dilation was used and the symptoms were resolved without the need for surgical treatment.
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- 2019
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48. Status of transition care in inflammatory bowel disease in Spain. Different medical perspectives.
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Sánchez Sánchez C, Tolín Hernani MDM, Álvarez Calatayud G, Miranda Cid MDC, Navas López VM, Marín Jiménez I, Menchen LA, García Fernández P, and Merino Sánchez-Cañete A
- Subjects
- Adolescent, Attitude of Health Personnel, Cross-Sectional Studies, Gastroenterology, Health Services Accessibility, Health Services Needs and Demand, Humans, Pediatrics, Spain, Inflammatory Bowel Diseases therapy, Transition to Adult Care standards, Transition to Adult Care statistics & numerical data
- Abstract
Introduction: transition is important for a successful follow-up of adolescents with inflammatory bowel disease (IBD). The objectives of the study were to establish the situation of transition in Spain and to identify needs, requirements and barriers to transition from pediatric and adult gastroenterologist perspectives., Methods: a structured survey for self-completion using the REDCap platform was distributed via the Spanish Society for Pediatric Gastroenterology, Hepatology and Nutrition (SEGHNP) and the Spanish Working Group on Crohn's Disease and Ulcerative Colitis (GETECCU). The questionnaire contained closed and ranked questions concerning transition, perceived needs, organizational, clinician and patient related barriers to transition., Results: one hundred and forty surveys were answered, 53% in pediatrics (PG) and 47% from adult gastroenterologists (AG) among 90 hospitals; 66% of them were reference centers. There was a higher response from pediatricians (18.2%) versus adult gastroenterologists (8.3%) (p = 0.03). A structured transition program is adequate in 42.2% centers. A well-structured transition was perceived as very important by 79.5% of PG and 63% of AG (p = 0.03). A higher proportion of both groups identified inadequacies in the preparation of adolescents for transfer (43% and 38%, p = ns). The main deficit areas were the lack of knowledge about disease and treatment as well as the lack of self-advocacy and care coordination. Lack of resources, time and critical mass of patients were the highest ranked barriers by both groups. AG and PG (54% and 55%) highlighted suboptimal training in adolescent medicine., Conclusions: in Spain, nearly half of the centers have developed a structured transition program. Lack of training, time and insufficient resources are the main barriers for a successful transition.
- Published
- 2019
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49. On-Surface Synthesis and Characterization of Acene-Based Nanoribbons Incorporating Four-Membered Rings.
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Sánchez-Sánchez C, Dienel T, Nicolaï A, Kharche N, Liang L, Daniels C, Meunier V, Liu J, Feng X, Müllen K, Sánchez-Valencia JR, Gröning O, Ruffieux P, and Fasel R
- Abstract
A bottom up method for the synthesis of unique tetracene-based nanoribbons, which incorporate cyclobutadiene moieties as linkers between the acene segments, is reported. These structures were achieved through the formal [2+2] cycloaddition reaction of ortho-functionalized tetracene precursor monomers. The formation mechanism and the electronic and magnetic properties of these nanoribbons were comprehensively studied by means of a multitechnique approach. Ultra-high vacuum scanning tunneling microscopy showed the occurrence of metal-coordinated nanostructures at room temperature and their evolution into nanoribbons through formal [2+2] cycloaddition at 475 K. Frequency-shift non-contact atomic force microscopy images clearly proved the presence of bridging cyclobutadiene moieties upon covalent coupling of activated tetracene molecules. Insight into the electronic and vibrational properties of the so-formed ribbons was obtained by scanning tunneling microscopy, Raman spectroscopy, and theoretical calculations. Magnetic properties were addressed from a computational point of view, allowing us to propose promising candidates to magnetic acene-based ribbons incorporating four-membered rings. The reported findings will increase the understanding and availability of new graphene-based nanoribbons with high potential in future spintronics., (© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.)
- Published
- 2019
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50. On-Surface Hydrogen-Induced Covalent Coupling of Polycyclic Aromatic Hydrocarbons via a Superhydrogenated Intermediate.
- Author
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Sánchez-Sánchez C, Martínez JI, Ruiz Del Arbol N, Ruffieux P, Fasel R, López MF, de Andres PL, and Martín-Gago JÁ
- Abstract
The activation, hydrogenation, and covalent coupling of polycyclic aromatic hydrocarbons (PAHs) are processes of great importance in fields like chemistry, energy, biology, or health, among others. So far, they are based on the use of catalysts which drive and increase the efficiency of the thermally- or light-induced reaction. Here, we report on the catalyst-free covalent coupling of nonfunctionalized PAHs adsorbed on a relatively inert surface in the presence of atomic hydrogen. The underlying mechanism has been characterized by high-resolution scanning tunnelling microscopy and rationalized by density functional theory calculations. It is based on the formation of intermediate radical-like species upon hydrogen-induced molecular superhydrogenation which favors the covalent binding of PAHs in a thermally activated process, resulting in large coupled molecular nanostructures. The mechanism proposed in this work opens a door toward the direct formation of covalent, PAH-based, bottom-up synthesized nanoarchitectures on technologically relevant inert surfaces.
- Published
- 2019
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