24 results on '"SALINE solutions"'
Search Results
2. Respostas fisiológicas em sementes e plântulas de canola tratadas com tiametoxam e submetidas a estresse salino.
- Author
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José Ludwig, Eduardo, Rosa da Silva, Jocélia, Gaboardi De Bastiani, Géssica, Stefanello, Raquel, Russi Nunes, Ubirajara, and Bernardo Heldwein, Arno
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SALINE solutions , *CALCIUM chloride , *SEED treatment , *EFFECT of salt on plants , *THIAMETHOXAM , *SALT , *GERMINATION - Abstract
The objective of this study was to evaluate the physiological responses in canola seeds and seedlings treated with thiamethoxam and subjected to different salinity levels. Canola seeds of the Diamond cultivar were used, submitted to the following treatments: Test - Control, Trat - Seed treatment with the a.i. thiamethoxam, in which it has a bioactivating function. Sodium chloride (NaCl) and calcium chloride (CaCl2) salts were used to simulate saline stress, with saline potential levels of 0, -0.2, -0.4 and -0.6 MPa. Sowing was carried out in gerbox boxes, containing three sheets of germitest paper, previously moistened with saline solutions corresponding to the saline potential of the treatment. The seeds were kept in a BOD-type germinator, at a constant temperature of 20 °C, under constant photoperiod. The variables analyzed were first germination count, germination, germination speed index, radicle and epicotyl length and seedling dry mass. The saline stress induced by the osmotic potentials of NaCl and CaCl2 significantly decreased the vigor and germination of canola seedlings. Seed treatment with the a.i. thiamethoxam proved to be efficient in reducing the damage caused by salinity. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
3. CONSERVAÇÃO DE PEÇAS ANATÔMICAS HUMANAS EM FORMALDEÍDO E CLORETO DE SÓDIO: ANÁLISE MICROBIOLÓGICA DAS SOLUÇÕES.
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Fernandes Travagim, Marcela, Gomes Labegalini, Célia Maria, Lucca Zanardo Bohm, Franciele Mara, and Volpato, Hélito
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HUMAN anatomy ,SALT ,MICROBIAL growth ,SALINE solutions ,SPECIES - Abstract
Copyright of Revista Foco (Interdisciplinary Studies Journal) is the property of Revista Foco and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
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4. Heparinização Versus Salinização em Catéter totalmente implantado: Revisão Integrativa.
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da Silva, Ricardo, Bezerra Silva, Camila, Grangeiro Martins, Rosa Maria, Bastos Rocha, Regina Petrola, de Lima Garcia, Cíntia, and de Araújo Alves, Dailon
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SALINE solutions , *LITERATURE reviews , *DIGITAL libraries , *CENTRAL venous catheters , *SALINIZATION - Abstract
Evaluate the effectiveness of salinization compared to heparinization on the patency of the fully implanted catheter. Integrative literature review. The search was carried out in the National Library of Medicine, Science Direct, Scientific Electronic Library Online and Virtual Health Library databases. When washing the port-a-cath, 10 to 20ml of 0.9% saline solution is used, reaching up to 20 ml for washing; in blocking, 0.9% saline solution is used to saline or heparinized solution, with concentrations of 50 to 100U/ml, reaching up to 500U/ml for heparinization, both with a 1.5 to 5 ml flush. SF stood out by showing security in port-a-cath blocking. The use of a fully implanted catheter in cancer patients proved to be of such importance for the procedures, the studies showed that there is no significant difference between the solutions, suggesting the use of 0.9% saline solution for catheter blocking. [ABSTRACT FROM AUTHOR]
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- 2023
- Full Text
- View/download PDF
5. Response of forage seed germination to saline solutions under controlled conditions
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Choque-Marca Willy, Paco-Pérez Víctor, and Murga-Cruz Lizett
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germination ,saline solutions ,forage species ,salinity ,sodium chloride. ,Forestry ,SD1-669.5 ,Plant culture ,SB1-1110 ,Plant ecology ,QK900-989 - Abstract
Salinity is one of the limiting factors that negatively affect the germination, emergence, and development of pastures in the lower part of the Lauca - Oruro River sub-basin, reducing the availability of forages for livestock. With the purpose of identifying salinity tolerant forage species, the germination capacity in saline solutions of eight species was evaluated: Agropyron elongatum (Host) P. Beauv., Hordeum muticum J. Presl., Bromus catharticus Vahl., X. Triticosecale Wittmarck , Hordeum vulgare L., Atriplex cristata, Trifolium amabile (L.) Kunth., and Suaeda foliosa Moq. The research was carried out in laboratories of the Faculty of Agricultural and Natural Sciences - Technical University of Oruro; Saline solutions with four concentrations of NaCl per one liter of distilled water were applied to the seeds: 2.56, 5.12, 7.68, and 10.54 g, and control without salinity. The results indicate that X. Triticosecale Wittmarck and H. vulgare have greater tolerance to solutions of extreme salinity and little affected in their germination capacity. The seeds of A. elongatum, B. catharticus and S. foliosa significantly reduce germination, however, they manage to germinate at all salinity levels. The seeds of A. cristata and T. amabile are the most sensitive to saline affectation, germination is significantly reduced at all salinity levels, even at the highest concentration. It is concluded that these species can be used as forage for the use of salinized soils, depending on the maximum tolerance determined.
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- 2020
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6. Análise da eficácia de diferentes protocolos clínicos para limpeza da parede dentinária intrarradicular previamente à cimentação de pinos.
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Froehlich, Julia, Mallmann Weschenfelder, Vanessa, and Fontoura de Melo, Tiago André
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SALINE solutions ,SCANNING electron microscopes ,SALINE irrigation ,MEDICAL protocols ,DENTAL pulp cavities - Abstract
Copyright of RSBO: Revista Sul-Brasileira de Odontologia is the property of UNIVILLE and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2021
- Full Text
- View/download PDF
7. Videocistoscopia em Lutra longicaudis: Relato de caso.
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Nascimento de Jesus, Sara Maria, Venturim da Frota, Carolina Hori, Santana dos Anjos, Gabriela, Cardoso Neto, Carlos Alberto, Machado Mendes, Rodrigo Ribeiro, Borges Miranda, Natália, dos Santos Rodrigues, Taíres, Santos Pereira, Marcos, Galvão Loiola, Marcus Vinicius, Coelho Lima, Marcos Chalhoub, and Tassinari Bonfada, Adamas
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URETHRAL obstruction ,INHALATION anesthesia ,SALINE solutions ,AQUATIC mammals ,URINARY incontinence ,CYSTOSCOPY - Abstract
Copyright of Revista Brasileira de Reprodução Animal is the property of Revista Brasileira de Reproducao Animal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
8. CÉLULAS TRONCO MESENQUIMAIS AUTÓLOGAS NO TRATAMENTO DA OSTEOARTRITE INDUZIDA POR COLAGENASE NA ARTICULAÇÃO COXOFEMORAL DE COELHOS (ORYCTOLAGUS CUNICULUS).
- Author
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MINTO, B. W., COELHO, L. P., NOBILE, M., MALARD, P. F., FRANCO, G. G., CASTRO, M. B., LIMA, E. M. M., and DIAS, L. G. G. G.
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MESENCHYMAL stem cells , *EXTRACELLULAR matrix , *STEM cells , *SALINE solutions , *AUTOTRANSPLANTATION , *CARTILAGE regeneration , *CARTILAGE - Abstract
The aim of this study was to compare cartilage regeneration of the hip in rabbits, with and without the transplantation of autologous mesenchymal stem cells. Thirty rabbits were submitted to chemical induction of osteoarthritis with a 2% colagenase in the right hip. They were divided into 2 groups of 15 animals each: Group 1 (intra-articular application of autologous mesenchymal stem cells) and Group 2 (control - intra-articular application of sterile saline solution). Radiographic and histopathological evaluations were performed at 30, 60 and 90 days after application. The mesenchymal stem cells group (Group 1) showed slight improvement of the quality of the repair tissue, according to the semi-quantitative scale criteria ICRS 1 (International Cartilage Repair Society). The Group 1 (Stem Cells) showed superiority in relation to Group 2, especially in the parameters joint surface, extracellular matrix and cellular distribution, demonstrating that stem cells were beneficial in the treatment of osteoarthritis. [ABSTRACT FROM AUTHOR]
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- 2020
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9. Matéria orgânica como atenuante da salinidade da água de irrigação na cultura do milho.
- Author
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Silva dos Santos, Rilbson Henrique, dos Santos Dias, Mirandy, de Assis da Silva, Francisco, de Oliveira Santos, João Paulo, dos Santos, Saniel Carlos, Sampaio Reis, Lígia, and Lima Tavares, Clécio
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HUMUS , *IRRIGATION water , *DISTILLED water , *SALINE solutions , *PLANT development , *SOIL salinity ,CORN growth - Abstract
The objective of this study was to evaluate the development of corn crop at different levels of irrigation water salinity in two concentrations of soil organic matter. The experiment was conducted at the Center for Agrarian Sciences of the Federal University of Alagoas. The experimental design adopted was the entirely randomized in factorial scheme 5 x 2, with four replications. The treatments consisted of different levels of electrical conductivity of CEa water (0,5; 1,5; 3,0; 4,5 and 6,0 dS m-1) associated with the presence and absence of organic matter in the soil. The saline solutions were prepared with NaCl and distilled water, using the formula: TSD (g L-1) = 0.64 x CEa. At 40 days after emergence, the plants were collected and analyzed for the number of leaves, plant height, leaf area, shoot dry mass and dry mass of the root system and the relative chlorophyll index of the leaves. It was found that all the variables studied were affected by the increase in salinity levels of irrigation water and that the addition of organic matter in the soil in isolation provided a better development of maize plants. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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10. FECHAMENTO DE COMUNICAÇÃO BUCO-SINUSAL UTILIZANDO O CORPO ADIPOSO BUCAL: RELATO DE CASO CLÍNICO.
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dos Santos Sinhorini, Thamyres Cristina, Calazans Duarte, Gabriel Lúcio, Regina Momesso, Nataira, Salles Munerato, Marcelo, and Lopes Cardoso, Camila
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PRACTICE of dentistry , *SURGICAL complications , *SALINE solutions , *SALINE irrigation , *DENTAL extraction , *SALINE injections - Abstract
Introduction: Bucosinusal communications are relatively frequent surgical complications in dental practice. Although several conditions are related to this type of communication, the exodontia of upper posterior teeth presents as the main etiological factor. They are diagnosed through fistulas, which communicate the buccal and sinus cavities, thus allowing the passage of food and other substances into the maxillary sinus, thus providing infectious pictures known as Sinusites. Objective: through the report of a clinical case of buccosalusal fistula, we will focus on the success of the closure of buccomasinal communication with Bichat Adipose Body. Technique report: male patient, 59 years old, leucoderma, with no systemic alterations, who attended the University of the Sacred Heart Postgraduation outpatient clinic reporting as a main complaint the fact of "getting fluids through the nose" during feeding and that this had started after performing a residual root exodon of element 16. It also reported that after the exodontia, an attempt was made to close the buccosinusal fistula through the repositioning of the vestibular flap and no success was achieved. After 45 days of conditioning the maxillary sinus mucosa through irrigations with saline solution and 0.12% chlorhexidine, the patient was proposed and the buccosinusal fistula was closed using the Bichat Adipose Body. Conclusion: Today, in order to achieve the high success rate in the closure of buscossinusal communications, we use the Bichat Adipose Body, because it is a simple procedure and provides satisfactory results for the patient. [ABSTRACT FROM AUTHOR]
- Published
- 2020
11. ÁGUA SALINA E FORMAS DE ADUBAÇÃO NA CULTURA DA ABOBRINHA.
- Author
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Rodrigues Costa, Francisco Hermeson, da Silva Guilherme, José Marcelo, da Silva Barbosa, Andreza, Florentino Canjá, Juvenaldo, da Costa Freire, Márcio Henrique, and Gomes de Sousa, Geocleber
- Subjects
SALINE waters ,SALINE solutions ,WATER supply ,IRRIGATION water ,ELECTRIC conductivity ,CHLOROPHYLL ,PLANT-water relationships - Abstract
Copyright of Revista Brasileira de Agricultura Irrigada - RBAI is the property of Revista Brasileira de Agricultura Irrigada - RBAI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2019
- Full Text
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12. Qualidade microbiológica de Caldo de cana-de-açúcar comercializado em feira livre de União dos Palmares, Alagoas.
- Author
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Beatriz Ataíde, Clara, Mesquita da Silva, Sybelle Geórgia, Manoel da Silva, João, Raimundo da Rocha, Jéssica, Silva Melo Santos, Jéssica Marcy, and Carvalho dos Santos, Tania Marta
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SALINE solutions , *AGRICULTURAL exhibitions , *SUGARCANE , *PROTOZOA , *TUBES , *COLIFORMS - Abstract
The objective of this work was to evaluate the microbiological quality of samples of sugarcane broth marketed in a fair in the State of Alagoas. Seven samples of informally traded sugarcane broth were collected at intervals of fifteen days and taken to the laboratory for analysis. The aseptically collected samples were diluted in 0.1% peptone saline solution, where 25 mL of each sample was diluted in 225 mL of this solution and inoculated into test tubes containing Lauryl Sulfate Triptose (LST) medium and an inverted Durham tube for the Presumptive tests and, subsequently, samples that formed gas were transferred to tubes containing EC medium and Brilliant Green for tests of total and thermotolerant coliforms, respectively. Yeasts were analyzed by means of inoculation in PDA medium and microscopic visualization. The detection of protozoa was done through traps made in PVC tube in Agar-water medium. The soil was analyzed by means of filtration and microscopic observation. All samples had total and thermotolerant coliforms with a maximum count of >2400 MPN/mL. The yeast count showed 8x10-6 UFC. Of the total of 21 samples, only two in the first collection showed protozoa. None of the samples showed dirt. [ABSTRACT FROM AUTHOR]
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- 2019
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13. Avaliação histológica da viabilidade de folículos ovarianos suínos submetidos a diferentes condições de transporte.
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Branco Motta, Lina Castelo, de Jesus Mendes, Robson, Chaves Garcia, Frederico Alekine, and Feitosa Silva, José Roberto
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SALINE solutions , *OVARIES , *OVARIAN follicle , *PARAFFIN wax , *CONTROL groups , *SLAUGHTERING , *FORMALDEHYDE - Abstract
Most of the oocytes used in reproductive biotechnologies come from ovaries obtained at locations geographically distant from specialized laboratories. Thus, this work evaluated the viability of ovarian follicles in different transport conditions to identify which best suits the success of the treatment. Ovary pigs (32) were obtained from a slaughterhouse, a pair being used as a control group fixed in 10% formaldehyde. The other pairs were immersed in 0.9% saline solution and maintained at temperatures of 4 and 35.5 ° C for periods of 2, 16 and 24 hours. After these times, the ovaries were fixed in 10% formaldehyde for 24 hours and submitted to histological routine with impregnation in paraffin. Sections were analyzed by evaluating the morphology of the antral follicles and analyzed at most 30 follicles per section. After the analysis, it was possible to verify that antral follicles of the ovaries preserved at 4 and 35.5 ° C for a period of 2 hours showed no significant difference in the control group (p> 0.05), as well as the 4 ° C treatments during 16 and 24 hours. However, treatments at 35.5 ° C for 16 and 24 hours showed a significant reduction in the frequency of normal follicles compared to treatments of the same storage period at 4 ° C and the control group (p <0.05). In conclusion, optimal ovary swine storage to make it viable for breeding experiments can be performed at 35.5 ° C for 2 hours or at 4 ° C for 24 hours. [ABSTRACT FROM AUTHOR]
- Published
- 2019
14. CRESCIMENTO INICIAL DE PLANTAS ENXERTADAS DE CAJUEIRO ANÃO PRECOCE, IRRIGADAS COM ÁGUA SALINA.
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Oliveira de Sousa, Alan Bernard, Costa Farias, Fábio, and Alves Bezerra, Marlos
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SALINE waters ,IRRIGATION water ,PLANT transpiration ,SALINE solutions ,ELECTRIC conductivity ,REDUCTION potential - Abstract
Copyright of Revista Brasileira de Agricultura Irrigada - RBAI is the property of Revista Brasileira de Agricultura Irrigada - RBAI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2019
- Full Text
- View/download PDF
15. CULTIVO DE RÚCULA EM FIBRA DE COCO UTILIZANDO SOLUÇÃO NUTRITIVA SALINIZADA ENRIQUECIDA COM NITRATO DE POTÁSSIO.
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Xavier Cordeiro, Carla Jamile, de Souza Leite Neto, José, Teixeira de Oliveira, Mychelle Karla, Teixeira Alves, Francisco Adênio, da Costa Miranda, Francisco Aparecido, and de Assis de Oliveira, Francisco
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LEAF area ,SALINE waters ,SALINE solutions ,POTASSIUM nitrate ,WATER quality ,WATER use - Abstract
Copyright of Revista Brasileira de Agricultura Irrigada - RBAI is the property of Revista Brasileira de Agricultura Irrigada - RBAI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2019
- Full Text
- View/download PDF
16. Efeito do ozônio no processo de cicatrização em exodontias de terceiros molares inferiores inclusos: uso transoperatório - estudo in vivo.
- Author
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Werner Schubert, Edward, Olimpio Paza, Aleysson, Braga Pfeifer, Artur, Machado Zimmer, Gabriela, Henrique Perotto, Juliano, and Siewert dos Santos, Sara
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THIRD molars ,SALINE solutions ,OZONE ,CONTROL groups ,IRRIGATION - Abstract
Copyright of RSBO: Revista Sul-Brasileira de Odontologia is the property of UNIVILLE and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2023
- Full Text
- View/download PDF
17. TRATAMENTO DE CISTO PERIAPICAL EM MANDÍBULA PELA TÉCNICA DA MARSUPIALIZAÇÃO E ENUCLEAÇÃO, COM REABILITAÇÃO COM IMPLANTES: RELATO DE CASO.
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Fernandes de Oliveira, Ana Clara, de Queiroz Martins Costa, Nayala Maria, and de Sá Cavalcante, Daniel
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SALINE irrigation , *ODONTOGENIC cysts , *SALINE solutions , *CONSERVATIVE treatment , *CYSTS (Pathology) , *ENUCLEATION of the eye - Abstract
This article reports a case of periapical cyst treatment in the mandible using the marsupialization and enucleation technique, followed by rehabilitation with implants. The patient, a 64-year-old man, presented with a unilocular radiolucent lesion measuring 2.5cm x 1.5cm in the region of tooth 47. An incisional biopsy was performed for histopathological diagnosis, confirming the hypothesis of a periapical cyst. During the surgery, marsupialization was performed and the patient was instructed to perform daily irrigations with saline solution and 0.12% chlorhexidine. After 12 months, bone repair and lesion reduction were observed, allowing for enucleation and implant placement. It is concluded that the marsupialization technique associated with enucleation can be a conservative treatment option for certain odontogenic cysts. [Extracted from the article]
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- 2022
- Full Text
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18. EFEITO DE UMA SOLUÇÃO SALINA NO CRESCIMENTO E NA COMPOSIÇÃO QUÍMICA DA ATRIPLEX NUMMULARIA.
- Author
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ARAÚJO, Eliane Gonçalves, SILVA, Márcia Lima, NETO, Francisco Nobre de Abrantes, CABRAL, Sheila Priscila Marques, MARTINEZ-HUITLE, Carlos Alberto, and FERNANDES, Nedja Suely
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SALINE solutions , *ATRIPLEX , *ION exchange chromatography , *EMISSION spectroscopy , *ANIONS , *SALINE waters - Abstract
This study aimed to analyze the effect of a saline solution on growth and chemical composition of Atriplex nummularia. These species seedlings were planted in the Garden of the Federal University of Rio Grande do Norte. Chemical characterization was performed using the Ion Chromatography (IC) and Optical Emission Spectroscopy (ICP-OES). The results of this analysis highlighted the diversity of anions and cations absorbed by the plant during its evolutionary process. Based on this study it was concluded that the Atriplex could be used as a source of absorbing salts from soils contaminated by effluents from industrial processes in which the saline water has as an end product of their processes. [ABSTRACT FROM AUTHOR]
- Published
- 2012
- Full Text
- View/download PDF
19. ENVELHECIMENTO ACELERADO COMO TESTE DE VIGOR PARA SEMENTES DE ARROZ.
- Author
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de Tunes, Lilian Madruga, Ciciliano Tavares, Lizandro, and Souza Albuquerque Barros, Antonio Carlos
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SEED aging ,DETERIORATION of seeds ,SEED stratification ,SEEDLINGS ,RICE ,SALINE solutions - Abstract
Copyright of Revista de Ciências Agrárias is the property of Sociedade de Ciencias Agrarias de Portugal and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2012
20. Envelhecimento acelerado modificado para sementes de coentro (Coriandrum sativum L.) e sua correlação com outros testes de vigor.
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Tunes, Lilian Madruga, Pedroso, Daniele Cardoso, Barbieri, Ana Paula Piccinin, Conceição, Gerusa Massuquini, Roething, Elisa, Muniz, Marlove Fátima Brião, and Barros, Antonio Carlos Souza Albuquerque
- Subjects
CORIANDER ,AGING in plants ,GERMINATION ,SEEDLINGS ,SALINE solutions - Abstract
Copyright of Revista Brasileira de Biociencias is the property of Revista Brasileira de Biociencias and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2011
21. Crescimento de meloeiro sob estresse salino e doses de potássio.
- Author
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Gurgel, Marcelo T., Uyeda, Cláudio A., Gheyi, Hans R., de Oliveira, Fábio H. T., Fernandes, Pedro D., and da Silva, Francisco V.
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MUSKMELON ,SALINITY ,POTASSIUM ,MELONS ,SALINE solutions ,PLANT growth ,GROWTH rate ,BIOMASS ,INTERNATIONAL trade - Abstract
Copyright of Revista Brasileira de Engenharia Agricola e Ambiental - Agriambi is the property of Revista Brasileira de Engenharia Agricola e Ambiental and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2010
- Full Text
- View/download PDF
22. Isotermas de dessorção de sementes de beterraba
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Paulo Cesar Corrêa, Gabriel Henrique Horta de Oliveira, Ana Paula Lelis Rodrigues de Oliveira, André Luís Duarte Goneli, and Fernando Mendes Botelho
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Analytical chemistry ,General Medicine ,Residual ,Equilibrium moisture content ,Standard error ,Saline solutions ,Modelagem matemática ,Gravimetric analysis ,Relative humidity ,Beta vulgaris ,Water content ,Algorithm ,Equilíbrio higroscópico ,Mathematics - Abstract
Alterações físicas e químicas de produtos agrícolas podem ocorrer durante o armazenamento, levando à perdas quantitativas e qualitativas. Portanto, o conhecimento acerca da relação entre o produto, a temperatura (T) e a umidade relativa (UR) do ambiente é necessário para diminuir possíveis alterações. Dito isto, este trabalho objetivou determinar o modelo matemático mais adequado para predizer o teor de água de equilíbrio (Xeq) de sementes de beterraba, cv. “Chata do Egito”, em diferentes T e UR. Xeq foi alcançado por meio do método estático, utilizando soluções salinas saturadas, com valores de UR entre 11 e 96 %. Sementes foram colocadas no interior de dessecadores contendo as soluções salinas, posteriormente armazenadas em câmaras BOD em diferentes T (10; 20; 30; 40 e 50 ºC). Xeq foi obtido quando a variação entre três pesagens consecutivas fosse igual ou menor a 0,01 g. O teor de água foi determinado pelo método gravimétrico usando estufa a 105 ± 1°C até a massa constante. Cinco modelos matemáticos (Chung Pfost, Copace, Halsey Modificado, Henderson e Henderson Modificado) foram ajustados aos dados experimentais de Xeq. O modelo mais adequado foi escolhido considerando a magnitude do erro médio relativo (MRE), desvio padrão da estimativa (SE) e análise de resíduos. O modelo de Chung-Pfost foi o que mais se ajustou aos dados experimentais, apresentando valores de 8,04 % e 0,62 % b.s. de MRE e SE, respectivamente. Physical and chemical alterations of agricultural products may occur during storage, leading to quantitative and qualitative losses. Thus, knowledge regarding the relationship between the product and temperature (T) and relative humidity (RH) of the environment is required in order to diminish these possible alterations. Being that stated, this work aimed to determine the most adequate mathematical model to represent the equilibrium moisture content (X eq ) of sugar beet seed, cv. “Chata do Egito”, at different T and RH. X eq was achieved by means of static method, using saturated saline solutions, attaining RH values between 11 and 96 %. Seeds were placed inside of dissectors containing the saline solutions, afterwards stored at BOD chambers under different T (10; 20; 30; 40 and 50 °C). X eq was obtained when variation of three consecutive weightings was equal or lower than 0.01 g. Moisture content was determined by means of gravimetric method using a stove at 105 ± 1°C until constant mass. Five mathematical models (Chung Pfost, Copace, Modified Halsey, Henderson and Modified Henderson) were fitted to experimental data of X eq . The best model was chosen considering the magnitude of mean relative error (MRE), standard error of the estimate (SE) and residual plots. The Chung-Pfost model was the one that best fitted to experimental data, presenting values of 8.04 % and 0.62 % d.b. for MRE and SE, respectively.
- Published
- 2016
23. Acesso venoso pela via intra-óssea em urgências médicas
- Author
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Hélio Penna Guimarães and John Cook Lane
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medicine.medical_specialty ,acesso venoso ,business.industry ,medicine.medical_treatment ,Volume replacement ,MEDLINE ,Drug administration ,Retrospective cohort study ,General Medicine ,Critical Care and Intensive Care Medicine ,Surgery ,Clinical trial ,Saline solutions ,acesso intra-ósseo ,Emergency medicine ,medicine ,Cardiopulmonary resuscitation ,Intraosseous access ,business ,Venous cannulation ,Intravenous access - Abstract
JUSTIFICATIVA E OBJETIVOS: Inicialmente introduzida em 1922, a técnica de acesso intra-ósseo foi extensamente utilizada até os anos de 1940 e revisada nos anos 1980. Considerando sua recomendação em diretrizes de reanimação cardiopulmonar, o objetivo deste estudo foi apresentar uma revisão histórica e principais aspectos clínicos sobre acessos intra-ósseos ao sistema venoso. CONTEÚDO: Foi realizada uma busca por artigos originais através da palavra-chave "acesso intra-ósseo" na base de artigos MedLine (1950 a janeiro de 2008). Adicionalmente, referências destes artigos, capítulos de livros e artigos históricos foram avaliados para esta revisão. Portais na internet de fabricantes de equipamentos para punção intra-óssea também foram consultados. Foram identificados e revisados 231 artigos, e o presente estudo condensou os principais resultados descritos. Foram considerados ensaios clínicos na língua inglesa, estudos retrospectivos e artigos de revisão. CONCLUSÕES: O acesso intra-ósseo é usado principalmente para garantir rapidamente um acesso venoso quando há algum retardo ou dificuldade para acesso venoso periférico. Consiste em técnica de simples aprendizado e suas complicações são inferiores a 1%. A maior parte dos fármacos utilizados em emergências pode ser administrada por esta via em suas doses rotineiras. O acesso intra-ósseo pode ser usado com segurança em diferentes locais de punção, tanto em adultos quanto crianças. Este acesso pode ser satisfatoriamente utilizado para coleta sanguínea objetivando análise de gases e bioquímica sanguínea, infusão de sangue e hemoderivados, solução fisiológica para reposição volêmica em estados de choque, parada cardiorrespiratória e outras emergências, quando o acesso venoso convencional não pode ser rapidamente efetivado. BACKGROUND AND OBJECTIVES: First introduced in 1922, the intraosseous access technique was extensively used in the 1940's and revised in the 1980's. Since this technique is recommended in actual cardiopulmonary resuscitation guidelines, the authors present an historical and clinical review of intraosseous access to the venous system. CONTENTS: The MedLine (1950 to January 2008) database was searched for pertinent abstracts, using the key term intraosseous access. Additional references and historical papers were obtained from the bibliographies of the articles reviewed. Manufacturer Web sites were used to obtain information about intraosseous venous (IO) insertion devices. Were identified and reviewed 231 articles, and this present article condensed the mainly the principal findings described. All available English-language clinical trials, retrospective studies and review articles describing IO drug administration were reviewed. CONCLUSIONS: The intraosseous access is used mainly to gain rapid access to the intravenous system when there is delay in obtaining the latter one. The technique is simple to learn. The complications rate is less than 1%. Most emergency drugs can be administered in the same doses used by intravenous routes. Bone access can be used in children and adults of any age in several sites. This access can be used satisfactorily to draw blood for cross-matching, blood gases and blood chemistries and emergency infusion of blood and its derivatives, saline solutions for volume replacement in shock, cardiac arrest and emergencies when an intravenous access cannot be made readily available.
- Published
- 2008
24. Study and performance of a prototype of a reactor for desalination of saline solutions via reverse osmosis
- Author
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DIAS, Alessandro Bruno de Sousa., FRANÇA, Kepler Borges., SILVA, Flávio Luiz Honorato da., and FRAIAS NETO, Severino Rodrigues de.
- Subjects
Reactor - prototype ,Desalination ,Reverse osmosis ,Engenharia química ,Ósmosis inversa ,Soluciones salinas ,Reator - protótipo ,Reactor - prototipo ,Soluções salinas ,Saline Solutions ,Dessalinizações ,Desalinización ,Osmose inversa - Abstract
Submitted by Deyse Queiroz (deysequeirozz@hotmail.com) on 2019-03-11T09:25:30Z No. of bitstreams: 1 ALESSANDRO BRUNO DE SOUSA DIAS - DISSERTAÇÃO PPGEQ 1999..pdf: 11371079 bytes, checksum: d4e937561125a2929e04042ea86e3c2d (MD5) Made available in DSpace on 2019-03-11T09:25:30Z (GMT). No. of bitstreams: 1 ALESSANDRO BRUNO DE SOUSA DIAS - DISSERTAÇÃO PPGEQ 1999..pdf: 11371079 bytes, checksum: d4e937561125a2929e04042ea86e3c2d (MD5) Previous issue date: 1999-07 O presente trabalho tem como objetivo avaliar o desempenho de um sistema de dessalinização via osmose inversa para soluções de cloreto de sódio e águas salobras oriundas de poços tubulares. O sistema foi testado em função da concentração dos sais dissolvidos da solução de alimentação sob diferentes gradientes de pressão. Os resultados foram obtidos a partir de dois tipos de elementos de membranas, BW2514-S e BW2514, Fluid Systems e Hydranautics, respectivamente. Foram estudados os seguintes parâmetros; taxa de rejeição de sais para cada elemento de membrana, recuperação, consumo de energia e o custo. Observou-se que o rendimento do sistema depende da concentração dos íons presentes na solução de alimentação e do gradiente de pressão que atuam no elemento de membrana. Em termos de consumo de energia e custo o sistema apresentou resultados da ordem de 1,5 kWh/m3 e RS 0,20/m3, considerados satisfatórios de acordo com a literatura. The present work has the objective to evaluate the performance of desalination system by reverse osmosis to sodium chloride solutions and brakish water from wells. The system was tested as function of dissolved salts concentration of the feed solution under different pressure gradient. The results were obtained from two types of membranes, BW2514-S and BW2514, Fluid Systems and Hydranautics, respectively. Were studied the following parameters; rate of salt rejection of each element of membrane, recovery, consumption of energy and the cost. It was observed that the production of the system depends of the ions concentration in the solution and the pressure gradient on the element of membrane. Consumption of energy and cost provided from the system was 1.5 kWh/m3 and RS 0.20/m3, which are satisfactory according with the literature.
- Published
- 1999
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