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1. Thermal deactivation studies of alpha-amylase immobilized onto core-shell structured aniline formaldehyde crosslinked polyaniline magnetic nanocomposite

Author

Maria Augustine, Dhanya Thaikatt Madhusudhanan, and Mohanan Puzhavoorparambil Velayudhan

Subjects
Nanocomposite, α-amylase, immobilization, thermal stability, thermal deactivation, Biotechnology, TP248.13-248.65
Abstract

AbstractThis study involves immobilizing α -amylase onto an aniline formaldehyde condensate cross-linked polyaniline magnetic nanocomposite (AFCCLPANIMg). To our knowledge, the utility of AFCCLPANIMg with a core-shell structure in enzyme immobilization has not received sufficient attention. The kinetic parameters were determined under optimal conditions, and the immobilized enzyme had a higher Km value and a lower Vmax value than the free enzyme, owing to the enzyme’s conformational shift. The immobilized enzyme preserved 45% of its original activity after 12 cycles and 59% of its activity in 4-week storage stability testing. The thermal deactivation of the free and immobilized enzyme followed first-order kinetics. The D-values, t1/2 and z value of the immobilized enzyme indicated better thermal stability than that of the free enzyme. The immobilized enzyme’s high Ed value of 19.92 19.92 kJ mol−1 defined its strong stability and resistance to heat inactivation.

Published
2023
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2. Impact of COVID-19 on heart failure hospitalization and outcome in India – A cardiological society of India study (CSI–HF in COVID 19 times study – 'The COVID C–HF study')

Author

Jayagopal P. B, Ramakrishnan S, Mohanan P. P, Jabir A, Venugopal K, M.K. Das, Santhosh K, Syam N, J. Ezhilan, Rajeev Agarwal, Vaidyanathan P R, Ahmed Hussain Choudhary, Meena C B, Amit Malviya, Arun Gopi, Chopra V K, Stigi Joseph, Krishna Kishore Goyal, John F. John, Sandeep Bansal, Harikrishnan S, Praveen Nagula, Johny Joseph, Ajit Bagawat, Sandeep Seth, Urmil Shah, Pravin K. Goel, P.K. Asokan, K.K. Sethi, Satyavan Sharma, (Lt.Gen)Anup Banerji, Sunandan Sikdar, ManojKumar Agarwala, Sharad Chandra, BishwaBhushan Bharti, S.M. Ashraf, Smit Srivastava, B. Kesavamoorthy, Harinder Kumar Bali, Dipak Sarma, Rajendra Kumar Jain, Sameer I. Dani, B.H. Natesh, Rabindra Nath Chakraborty, Vivek Gupta, Narendra Nath Khanna, Dipankar Mukhopadhyay, Subroto Mandal, Biswajit Majumder, Sridhar L, Meennahalli Palleda Girish, DipakRanjan Das, Tom Devasia, Bhavesh Vajifdar, Tanuj Bhatia, Zia Abdullah, Sanjeev Sharma, Sudeep Kumar, Mathew Lincy, Nitish Naik, Dhiman Kahali, Dhurjati Prasad Sinha, Dipankar Ghosh Dastidar, Gurpreet Sing Wander, Rakesh Yadav, Satyendra Tewari, Suman Bhandari, Pratap Chandra Rath, Vijay Harikisan Bang, Debabrata Roy, ParthoSarathi Banerjee, S. Shanmugasundaram, and Geevar Zachariah

Subjects
COVID-19, Acute heart failure, Acute decompensated heart failure, GDMT in heart failure, Surgery, RD1-811, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract

Objectives: The presentation and outcomes of acute decompensated heart failure (ADHF) during COVID times (June 2020 to Dec 2020) were compared with the historical control during the same period in 2019. Methods: Data of 4806 consecutive patients of acute HF admitted in 22 centres in the country were collected during this period. The admission patterns, aetiology, outcomes, prescription of guideline-directed medical therapy (GDMT) and interventions were analysed in this retrospective study. Results: Admissions for acute heart failure during the pandemic period in 2020 decreased by 20% compared to the corresponding six-month period in 2019, with numbers dropping from 2675 to 2131. However, no difference in the epidemiology was seen. The mean age of presentation in 2019 was 61.75 (±13.7) years, and 59.97 (±14.6) years in 2020. There was a significant decrease in the mean age of presentation (p = 0.001). Also. the proportion of male patients decreased significantly from 68.67% to 65.84% (p = 0.037). The in-hospital mortality for acute heart failure did not differ significantly between 2019 and 2020 (4.19% and 4.,97%) respectively (p = 0.19). The proportion of patients with HFrEF did not change in 2020 compared to 2019 (76.82% vs 75.74%, respectively). The average duration of hospital stay was 6.5 days. Conclusion: The outcomes of ADHF patients admitted during the Covid pandemic did not differ significantly. The length of hospital stay remained the same. The study highlighted the sub-optimal use of GDMT, though slightly improving over the last few years.

Published
2023
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3. Dengue Virus Cases Surge Amidst COVID-19 in Pakistan: Challenges, Efforts and Recommendations

Author

Islam Z, Mohanan P, Bilal W, Hashmi T, Rahmat Z, Abdi I, Riaz MMA, and Essar MY

Subjects
dengue, covid-19, pakistan, healthcare infrastructure, Infectious and parasitic diseases, RC109-216
Abstract

Zarmina Islam,1 Parvathy Mohanan,2 Wajeeha Bilal,1 Taleen Hashmi,1 Zainab Rahmat,1 Ikran Abdi,3 Mehr Muhammad Adeel Riaz,4 Mohammad Yasir Essar5 1Faculty of Medicine, Dow Medical College, Dow University of Health Sciences, Karachi, Pakistan; 2Medical University Sofia, Sofia, Bulgaria; 3Faculty of Medicine, Jinnah Sindh Medical University, Karachi, Pakistan; 4Punjab Medical College, Faisalabad, Pakistan; 5Kabul University of Medical Sciences, Kabul, AfghanistanCorrespondence: Mohammad Yasir EssarKabul University of Medical Sciences, Kabul, Afghanistan, Tel +992 117118300, Email Yasir.essar@gmail.comAbstract: Pakistan is currently facing two outbreaks, dengue and COVID-19; both have strained its healthcare system resulting in multiple concerns including the co-diagnosis of two. Due to poor healthcare capacity, low vaccination rate, increasing COVID-19 variants, socioeconomic disparities, and misinformation, it is inevitable that implications will prove to be damaging to both healthcare workers and civilians. Among these challenges, it is important to note the need for stronger epidemiological surveillance for both COVID-19 and dengue and the implementation of public health measures without endangering sources of livelihood. To sustain this, cooperation between WHO and Pakistan’s government must continue through smart lockdowns, dengue awareness campaigns, and double laboratory procedures.Keywords: dengue, COVID-19, Pakistan, healthcare infrastructure

Published
2022

4. Association of body mass index with outcomes in patients with newly diagnosed atrial fibrillation: GARFIELD-AF

Author

Daniela Poli, Sophie Testa, Corrado Lodigiani, Toon Wei Lim, Kevin Jones, Kangning Chen, Hui Li, Hilary Pinnock, Grzegorz Bilo, Hack-Lyoung Kim, Andrew Murray, Bernard J Gersh, Kurt Huber, Robin Fox, Sarah Davies, James Rogers, Morten Schou, Xin Li, Vira Tseluyko, Sergey Popov, Rajeev Gupta, Grzegorz Opolski, Preeti Pandya, Bronte Ayres, Milan Gupta, Peter Hutchinson, Phil Simmons, Andrew Gallagher, Michel Galinier, Franck Paganelli, Jens Kilian, Adam Blenkhorn, Mohamed Ibrahim, Fernando Lanas, Karen Pieper, Eivind Berge, M Clark, Agneta Andersson, Karim Ladha, Bijoy Sinha, Torstein Hole, Dan Atar, Hywel Jones, R Smith, Andrew Ross, Emmanuel Ellie, Paul Evans, Yong Wang, Hiroshi Ono, Tadashi Nakamura, Paul MacDonald, Stephen Rogers, Igor Sibon, Simon Dobson, David Fitzmaurice, Jiyan Chen, Neil Roberts, Pierre Amarenco, Nigel Hart, Giancarlo Agnelli, Georges Mairesse, Pekka Raatikainen, Oleg Sychov, Yasuyuki Suzuki, Bo Liu, Mathieu Zuber, John French, Yuejin Yang, Myeong-Chan Cho, Julian Thompson, Michael Stokes, John W Eikelboom, Mark Richardson, John Matthews, Will Murdoch, Jean-Philippe Neau, Freek Verheugt, Ajay K Kakkar, Giuseppe Ambrosio, Marcin Gruchała, Keith A A Fox, Sunil Kumar, Ruiping Zhao, Patrick Carroll, Masanori Kaneko, Thanh Phan, Ping Yang, Sung-Won Jang, Claire Jones, Mårten Rosenqvist, Johan Engdahl, Debabrata Roy, John Cairns, Ping Chen, Michael Olsen, Paul Angaran, David Russell, Helena Dominguez, Béla Merkely, Joseph Berlingieri, James Bennett, Hugo ten Cate, Hiroshi Yamaguchi, Masahiro Minamoto, Hiroyuki Oda, Toshihiko Shiraiwa, Jonathan Webster, Yukihiro Koretsune, Kotaro Obunai, R Thompson, Yong Seog Oh, Giuliana Guazzaloca, Giuliana Martini, Marc Bonnefoy, Michael Cox, András Nagy, Kazuki Sato, Richard Davies, Daisuke Ikeda, Susumu Suzuki, Hiroki Teragawa, Koji Matsushita, Ying Guo, Catherine Neden, Mark Pugsley, Simon Cartwright, Polly Jacobs, Xiaoshu Cheng, Daniel Nishijima, Sylvia Haas, Vinay Kumar, Saverio Virdone, Jean-Pierre Bassand, Samuel Z Goldhaber, Shinya Goto, Frank Misselwitz, Alexander G G Turpie, Alison Macleod, Karen Forshaw, Mark Boon, Stephen Miller, Simon Wetherell, Moustafa Moustafa, Gaetano Serviddio, Renato Lopes, Kazuo Takei, Hiroaki Nishioka, Mykola Stanislavchuk, C Ramesh, R Kamath, Stuart J Connolly, Nooshin Bazargani, Kevin Douglas, Werner Hacke, Gloria Kayani, Ali Oto, Hiroshi Watanabe, Walter Hermans, Kazuya Murata, Christian Fielder Camm, Marco Moia, Niraj Sharma, Jaeyoung Kim, Walter Abhayaratna, Andriy Yagensky, Hosen Kiat, Wilhelm Haverkamp, Yang Jiao, Hitoshi Kato, Jindrich Spinar, Daniel Theodoro, Philip Cooke, Paolo Golino, Tetsuro Yoshida, Prakash Chandwani, Christine A'Court, Brian Ramjattan, Torbjørn Øien, Toshiyuki Kobayashi, Richard West, Petr Jansky, Seil Oh, Jan Steffel, Martin van Eickels, Hyung-Wook Park, Nam-Ho Kim, Søren Rasmussen, Kazuo Suzuki, David Colquhoun, Hiroshi Ando, Simon Franklin, Tae-Joon Cha, Sang Cheol Bae, Guosheng Fu, Yoshihiro Saito, Heinz Drexel, Michel Martelet, Joseph Mouallem, Nicolas Delarche, Sylvain Destrac, Neil Macey, Andreas Kopf, Masayuki Nakano, Olga Barbarash, Takeshi Inoue, Taro Minagawa, Weihua Li, John Eikelboom, Hiroshi Kubo, Lars Andersson, D Burns, Andrea Podczeck-Schweighofer, Megumi Okada, Massimo Volpe, Takuma Aoyama, Karsten Mueller, Carlos Astudillo, Hiroshi Takeda, Peter Mayer, Jung Hoon Sung, Dinesh Jain, Jung Han Yoon, Alessandro Capucci, Dongryeol Ryu, Kelvin Wong, Hong Euy Lim, Xiaowei Yan, Yusheng Zhao, Yuehui Yin, YUKIHIRO SETA, Taek Jong Hong, MASAKI SHIMOYAMA, Dayi Hu, Junichi Minami, Yuriy Mostovoy, David Foo, Ramazan Topsakal, Zhi-Cheng Jing, Dipen Shah, Kenichi Yamamoto, David Coulshed, Olivier Piot, Ramón Corbalán, Silva Severi, Waldemar Myszka, Mehmet Birhan Yilmaz, Gi-Byoung Nam, Jun Kim, Harald Darius, Jan-Erik Karlsson, PETER VANDERGOTEN, Nasser Taha, Shuta Toru, Jörn Nielsen, Tsutomu Takagi, Koji Higuchi, Steen Husted, Tomohiro Katsuya, Frank Cools, Iveta Petrova, Songkwan Silaruks, GÜNTER LEHMANN, Frederic Casassus, Bernard Crousillat, Bernard Doucet, Jean-Joseph Muller, Grzegorz Raczak, Kazuyuki Saito, Anders Ostrem, Chi Keong Ching, KUNIHIKO YAMAMOTO, John Camm, Carmine Mazzone, Jaemin Shim, Jadwiga Nessler, Jan Vercammen, Marc Delforge, Chong-Jin Kim, Pierre Nazeyrollas, Louise Lumley, Paul Roome, Helen Stoddart, Mark Rickenbach, Paul Mullen, Noriyuki Nakanishi, Gordon Irvine, Paul Conn, Kurt Lenz, Richard Coates, E Fisher, Warwick Coulson, Jiri Lastuvka, Pablo García Pavía, P Jhittay, Philip Saunders, Peter Bernhardt, Wanwarang Wongcharoen, Kentaro Yamamoto, Hector Lucas Luciardi, Harry Gibbs, Marianne Brodmann, Jørn Dalsgaard Nielsen, Hany Ragy, Matyas Keltai, Jitendra Pal Singh Sawhney, Janina Stepinska, Elizaveta Panchenko, Barry Jacobson, Xavier Viñolas, Pantep Angchaisuksiri, Alex Parkhomenko, Huaiqin Zhang, Shiping Cao, Daowen Wang, Guizhou Tao, Yingmin Chen, Shenghu He, Tongguo Wu, Moshui Chen, Longgen Xiong, Praveen Jadhavm, Raghava Sarma, Govind Kulkarni, Rasesh Atulbhai Pothiwala, Mohanan Padinhare Purayil, Kamaldeep Chawla, Veerappa Annasaheb Kothiwale, Bagirath Raghuraman, Vinod Madan Vijan, Jitendra Sawhney, Ganapathi Bantwal, Aziz Khan, Ramdhan Meena, Manojkumar Chopada, Sunitha Abraham, Vikas Bisne, Govindan Vijayaraghavan, Rajashekhar Durgaprasad, Kartikeya Bhargava, Udigala Madappa Nagamalesh, Rajeeve Kumar Rajput, Seishu Kanamori, Koichiro Kumagai, Yosuke Katsuda, Keiki Yoshida, Fumitoshi Toyota, Yuji Mizuno, Ikuo Misumi, Hiroo Noguchi, Shinichi Ando, Tetsuro Suetsugu, Susumu Adachi, Kei Chiba, Hiroaki Norita, Makoto Tsuruta, Takeshi Koyanagi, Takayuki Higashi, Shiro Azakami, Shinichiro Komaki, Kenshi Kumeda, Takashi Murayama, Jun Matsumura, Yurika Oba, Ryuji Sonoda, Kazuo Goto, Kotaro Minoda, Yoshikuni Haraguchi, Hisakazu Suefuji, Hiroo Miyagi, Tsugihiro Nakamura, Hidekazu Nandate, Ryuji Zaitsu, Yoshihisa Fujiura, Akira Yoshimura, Hiroyuki Numata, Jun Ogawa, Yasuyuki Kamogawa, Kinshiro Murakami, Yutaka Wakasa, Masanori Yamasawa, Hiromitsu Maekawa, Sumihisa Abe, Hajime Kihara, Satoru Tsunoda, Katsumi Saito, Hiroki Tachibana, Ichiro Oba, Takashi Kuwahata, Satoshi Higa, Masamichi Gushiken, Takuma Eto, Hidetoshi Chibana, Kazuaki Fujisawa, Yuhei Shiga, Hirokuni Sumi, Toshihisa Nagatomo, Yoshihiko Atsuchi, Toshiro Nagoshi, Kazuhisa Sanno, Fumihiro Hoshino, Naoto Yokota, Masahiro Kameko, Toshifumi Tabuchi, Munesumi Ishizawa, Yoshitake Fujiura, Taku Seto, Tetsu Iwao, Norio Ishioka, Koichi Oshiro, Keizo Tsuchida, Yutaka Hatori, Motoshi Takeuchi, Hiroto Takezawa, Shinjiro Nagano, Masaaki Iwaki, Yuichiro Nakamura, Naomasa Miyamoto, Toshifumi Taguchi, Ko Ashida, Naoto Yoshizawa, Jun Agata, Seishiro Matsukawa, Osamu Arasaki, Shuji Fukuoka, Hirofumi Murakami, Kazuya Mishima, Yoshiki Hata, Ichiro Sakuma, Ichiro Takamura, Mitsuyuki Akutsu, Toshihide Unoki, Yoshinori Go, Makoto Ikemura, Shoji Morii, Shigeru Marusaki, Hideo Doi, Mitsuru Tanaka, Takaaki Kusumoto, Shigeo Kakinoki, Chiga Ogurusu, Masami Nakatsuka, Yutaka Kitami, Yoichi Nakamura, Hiroshi Oda, Rikimaru Oyama, Masato Ageta, Teruaki Mita, Kazuhiko Nagao, Takafumi Mito, Mitsunori Abe, Masako Fujii, Makoto Okawa, Tsuneo Fujito, Toshiya Taniguchi, Tenei Ko, Mizuho Imamaki, Masahiro Akiyama, Takashi Ueda, Hironori Odakura, Masahiko Inagaki, Yoshiki Katsube, Atsuyuki Nakata, Shinobu Tomimoto, Mitsuhiro Shibuya, Kenichiro Ito, Masahiro Matsuta, Motoyuki Ishiguro, Masamichi Wada, Hiroaki Mukawa, Masato Mizuguchi, Fumio Okuda, Teruaki Kimura, Kuniaki Taga, Masaaki Techigawara, Morio Igarashi, Toshihiko Seo, Shinya Hiramitsu, Hiroaki Hosokawa, Mitsumoto Hoshiai, Michitaka Hibino, Koichi Miyagawa, Hideki Horie, Nobuyoshi Sugishita, Yukio Shiga, Akira Soma, Kazuo Neya, Kunio Akahane, Saori Matsui, Hirofumi Kanda, Shiro Nagasaka, Atsushi Taguchi, Akiko Miyashita, Hiroki Sasaguri, Jin Nariyama, Taketo Hatsuno, Takash Iwase, Kazuya Kawai, Tomobumi Kotani, Tsuyoshi Tsuji, Hirosumi Sakai, Kiyoshi Nishino, Kenichi Ikeda, Kazuo Maeda, Tomohiro Shinozuka, Koichi Kawakami, Hiromichi Kitazumi, Mamoru Hamaoka, Jisho Kojima, Akitoshi Sasaki, Yoshihiro Tsuchiya, Tetsuo Betsuyaku, Masaaki Honda, Koichi Hasegawa, Takao Baba, Kazuaki Mineoi, Toshihiko Koeda, Kunihiko Hirasawa, Toshihide Kumazaki, Akira Nakagomi, Eiji Otaki, Takashi Shindo, Hiroyoshi Hirayama, Chikako Sugimoto, Takashi Yamagishi, Ichiro Mizuguchi, Kazunori Sezaki, Isamu Niwa, Ken Takenaka, Osamu Iiji, Koichi Taya, Hitoshi Kitazawa, Samu Ueda, Hirokazu Kakuda, Takuya Ono, Seizo Oriso, Junya Kamata, Toshihiko Nanke, Itaru Maeda, Yoshifusa Matsuura, Yasuyuki Maruyama, Hajime Horie, Tetsutaro Kito, Hiroshi Asano, Masaichi Nakamura, Takashi Washizuka, Tomoki Yoshida, Masato Sawano, Shinichi Arima, Hidekazu Arai, Hisanori Shinohara, Hiroyuki Takai, Nobufusa Furukawa, Akira Ota, Kenji Aoki, Taku Yamamoto, Takeaki Kasai, Shunji Suzuki, Shu Suzuki, Nitaro Shibata, Masayuki Watanabe, Yosuke Nishihata, Toru Arino, Masaki Okuyama, Tetsushi Wakiyama, Tomoko Kato, Yasuo Sasagawa, Takeshi Tana, Yoshihito Hayashi, Shinichi Hirota, Yukihiko Abe, Hirohide Uchiyama, Shuichi Tohyo, Naoto Hanazono, Seiichi Miyajima, Hisashi Shimono, Yasunobu Shozawa, Yawara Niijima, Osamu Murai, Hideko Inaba, Katsumasa Nomura, Masatsugu Nozoe, Toshiyuki Furukawa, Nobuhisa Ito, Shunichi Nagai, Kiyoharu Sato, Shiro Nakahara, Yujin Shimoyama, Naoko Ohara, Teruhiko Kozuka, Hideaki Okita, Masato Endo, Tsutomu Goto, Makoto Hirose, Emiko Nagata, Toshizumi Mori, Shuichi Seki, Katsuhiro Okamoto, Osamu Moriai, Yoko Emura, Tsuyoshi Fukuda, Haruhiko Date, Shuichi Kawakami, Sho Nagai, Yuya Ueyama, Tetsuro Fudo, Mitsuru Imaizumi, Takuo Ogawa, Shunsuke Take, Hideo Ikeda, Norihiko Sakamoto, Kiyomitsu Ikeoka, Nobuo Wakaki, Masatake Abe, Junji Doiuchi, Tetsuya Kira, Masato Tada, Ken Tsuzaki, Naoya Miura, Yasuaki Fujisawa, Wataru Furumoto, Akinori Fujisawa, Ryosai Nakamura, Hiroyasu Komatsu, Rei Fujiki, Shuichi Kawano, Keijiro Nishizawa, Yoji Kato, Junya Azuma, Kiyoshi Yasui, Toshio Amano, Yasuhiro Sekine, Tatsuo Honzawa, Yuichiro Koshibu, Yasuhide Sakamoto, Shingo Miyaguchi, Kojuro Morishita, Yasuko Samejima, Toyoshi Sasaki, Fumiko Iseki, Hiroshi Kano, Yoichi Takagi, Yoko Onuki Pearce, Takayuki Fukui, Toru Nakayama, Hideaki Kanai, Yoshiyuki Kawano, Tetsuji Ino, Hironori Miyoshi, Yasufumi Miyamoto, Masahito Shigekiyo, Shimato Ono, Yutaka Okamoto, Satoshi Ubukata, Kojiro Kodera, Tatsuo Oriuchi, Naoki Matsumoto, Koichi Inagaki, Atsushi Iseki, Tomohiro Yoshida, Toshihiro Goda, Tsukasa Katsuki, Atsushi Sato, Etsuo Mori, Toshio Tsubokura, Hiroshi Shudo, Shunichi Fujimoto, Yoshiyuki Furukawa, Hiroshi Hosokawa, Jun Narumi, Kiichiro Yamamoto, Masaki Owari, Takuya Inakura, Takafumi Anno, Kazuyuki Shirakawa, Tan Yuyang, Hui Nam Park, Woo-Shik Kim, HyeYoung Lee, Dae Hyeok Kim, Dae-Kyeong Kim, Dong Ju Choi, Hui-Kyung Jeon, Dong-Gu Shin, Sang Weon Park, Hoon Ki Park, Sang-Jin Han, Young Keun On, JaeJin Kwak, Seong Hoon Park, Kee-Sik Kim, Byung Chun Jung, Gyo-Seung Hwang, Sakda Rungaramsin, Peerapat Katekangplu, Porames Khunrong, Thanita Bunyapipat, Pinij Kaewsuwanna, Khanchai Siriwattana, Waraporn Tiyanon, Supalerk Pattanaprichakul, Khanchit Likittanasombat, Doungrat Cholsaringkarl, Warangkana Boonyapisit, Sirichai Cheewatanakornkul, Pisit Hutayanon, Seksan Chawanadelert, Pairoj Chattranukulchai, Boonsert Chatlaong, Yingsak Santanakorn, Khompiya Kanokphatcharakun, Piya Mongkolwongroj, Sasivimon Jai-Aue, Ongkarn Komson, Armagan Altun, Ali Aydinlar, Zeki Ongen, Sadik Acikel, Durmus Yildiray Sahin, Ozcan Yilmaz, Hasan Pekdemir, Mesut Demir, Murat Sucu, Levent Sahiner, Murat Ersanli, Ertugrul Okuyan, Dursun Aras, Florencia Rolandi, Adrian Cesar Ingaramo, Gustavo Alberto Sambadaro, Vanina Fernandez Caputi, Hector Luciardi, Sofia Graciela Berman, Pablo Dragotto, Andres Javier Kleiban, Nestor Centurion, Ricardo Dario Dran, Javier Egido, Matias Jose Fosco, Victor Alfredo Sinisi, Luis Rodolfo Cartasegna, Oscar Gomez Vilamajo, Jose Luis Ramos, Sonia Sassone, Gerardo Zapata, Diego Conde, Guillermo Giacomi, Alberto Alfredo Fernandez, Mario Alberto Berli, Fabian Ferroni, Jefferson Jaber, Luciana Vidal Armaganijan, André Steffens, José Márcio Ribeiro, Marcelo Silveira Teixeira, Paulo Rossi, Leonardo Pires, Daniel Moreira, Luiz Bodanese, Marcelo Westerlund Montera, Jamil Abdalla Saad, Euler Roberto Manenti, Alexandre Negri, Carlos Moncada, Dalton Precoma, Fernando Roquette, Gilmar Reis, Estêvão Lanna Figueiredo, Roberto Vieira Botelho, Helius Carlos Finimundi, Adriano Kochi, Fábio Alban, Rogério Tadeu Tumelero, Lilia Maia, Humberto Montecinos, Martín Larico Gómez, Carlos Conejeros, Patricio Marin Cuevas, Alejandro Forero, Claudio Bugueño Gutiérrez, Juan Aguilar, Sergio Potthoff Cardenas, German Eggers, Cesar Houzvic, Carlos Rey, Germán Arriagada, Gustavo Charme Vilches, Raul Leal Cantu, Ricardo Cabrera Jardines, Nilda Espinola Zavaleta, Enrique Lopez Rosas, Gerardo Pozas, Ernesto Cardona Muñoz, Norberto Matadamas Hernandez, Adolfo Leyva Rendon, Norberto Garcia Hernandez, David Lopez Villezca, Carlos Hernandez Herrera, Rodolfo Gaona Rodriguez, Efrain Villeda Espinosa, David Flores Martinez, Jose Velasco Barcena, Omar Fierro Fierro, Ignacio Rodriguez Briones, Humberto Alvarez Lopez, Rafael Olvera Ruiz, Roxana Reyes Sanchez, Roberto Arriaga Nava, Pedro Fajardo Campos, Mario Benavides Gonzalez, Claus Hagn, Johannes Foechterle, Michael Winkler, Bruno Schneeweiss, Alfons Gegenhuber, Wilfried Lang, Sabine Eichinger-Hasenauer, Peter Kaserer, Josef Sykora, Heribert Rasch, Bernhard Strohmer, Luc Capiau, Geert Vervoort, Bart Wollaert, Geert Hollanders, Dirk Faes, Yohan Balthazar, Olivier Xhaet, Harry Striekwold, John Thoeng, Kurt Hermans, Wim Anné, Ivan Blankoff, Michel Beutels, Stefan Verstraete, Philippe Purnode, Pascal Godart, Tim Boussy, Philippe Desfontaines, Alex Heyse, Joeri Voet, Eva Zidkova, Rudolf Spacek, Vilma Machova, Ondrej Ludka, Josef Olsr, Lubos Kotik, Blazej Racz, Richard Ferkl, Jan Hubac, Ilja Kotik, Zdenek Monhart, Hana Burianova, Ondrej Jerabek, Jana Pisova, Vratislav Dedek, Michaela Honkova, Petr Podrazil, Petr Reichert, Miroslav Novak, Vaclav Durdil, Katarina Plocova, Ulrik Hintze, Næstved Sygehus, Arne Bremmelgaard, John Markenvard, Jan Børger, Jorgen Solgaard, Ebbe Eriksen, Thomas Løkkegaard, Michael Bruun, Jacob Mertz, Joël Ohayon, Yannick Gottwalles, Philippe Loiselet, Mohamed Bassel Koujan, André Marquand, Jean-Pierre Cebron, Maxime Guenoun, Dominique Guedj-Meynier, A G Lokesh, James Kadouch, Pierre-Yves Fournier, Jean-Pierre Huberman, Nestor Lemaire, Gilles Rodier, Xavier Vandamme, Marie Hélène Mahagne, Antoine Mielot, Jean-Baptiste Churet, Vincent Navarre, Frederic Sellem, Gilles Monniot, Jean-Paul Boyes, Désiré Obadia, Etienne Bearez, Jean Philippe Brugnaux, Alain Fedorowsky, Jean-Baptiste Berneau, Frédéric Chemin, Sebastien Schellong, Georg Koeniger, Uwe Gerbaulet, Bernd-Thomas Kellner, Thomas Schaefer, Jan Purr, Enno Eißfeller, Heinz-Dieter Zauzig, Peter Riegel, Christoph Axthelm, Gerd-Ulrich Heinz, Holger Menke, Andreas Pustelnik, Stefan Zutz, Wolfgang Eder, Guenter Rehling, Dirk Glatzel, Norbert Ludwig, Petra Sandow, Henning Wiswedel, Cosmas Wildenauer, Steffen Schoen, Toralf Schwarz, Adyeri Babyesiza, Maximilian Kropp, Hans-Hermann Zimny, Friedhelm Kahl, Andreas Caspar, Sabine Omankowsky, Torsten Laessig, Hermann-Josef Hartmann, Hans-Walter Bindig, Gunter Hergdt, Dietrich Reimer, Joachim Hauk, Holger Michel, Praxis Dres, Werner Erdle, Wilfried Dorsch, Janna Dshabrailov, Karl-Albrecht Rapp, Reinhold Vormann, Thomas Mueller, Uwe Horstmeier, Volker Eissing, Heinz Hey, Heinz Leuchtgens, Volker Lilienweiss, Heiner Mueller, Christian Schubert, Herrmann Lauer, Thomas Buchner, Gunter Brauer, Susanne Kamin, Sylvia Baumbach, Muwafeg Abdel-Qader, Hans-Holger Ebert, Carsten Schwencke, Laszlo Karolyi, Britta Sievers, Jens-Uwe Roehnisch, Andras Vertes, Gabor Szantai, Andras Matoltsy, Nikosz Kanakaridisz, Zoltan Boda, Erno Kis, Balazs Gaszner, Ferenc Juhasz, Gizella Juhasz, Sandor Kancz, Zoltan Laszlo, Zsolt May, Ebrahim Noori, Tamas Habon, Peter Polgar, Gabriella Szalai, Sandor Vangel, Gabriella Engelthaler, Judit Ferenczi, Mihaly Egyutt, Leone Maria Cristina, Eros Tiraferri, Rita Santoro, Teresa Maria Caimi, Maria Tessitori, Roberto Cappelli, Roberto Quintavalla, Franco Cosmi, Raffaele Fanelli, Vincenzo Oriana, Raffaele Reggio, Roberto Santi, Leonardo Pancaldi, Jorge Salerno Uriate, Flavia Lillo, Enrico Maria Pogliani, Michele Accogli, Antonio Mariani, Mauro Feola, Arturo Raisaro, Luciano Fattore, Andrea Mauric, Fabrizio Germini, Luca Tedeschi, Maria Settimi, Sergio Nicoli, Paolo Ricciarini, Antonio Argena, Paolo Ronchini, Claudio Bulla, Filippo Tradati, Maria Grazia Bongiorni, Enrico Salomone, Claudio Tondo, Saverio Iacopino, Andreas Lucassen, Henk Adriaansen, Maarten Bongaerts, Mathijs Pieterse, Johannes Herrman, Pieter Hoogslag, Cees Buiks, Per Anton Sirnes, Erik Gjertsen, Knut Erga, Arne Hallaråker, Gunnar Skjelvan, Beraki Ghezai, Arne Svilaas, Peter Christersson, Svein Høegh Henrichsen, Jan Erik Otterstad, Jan Berg-Johansen, Andrzej Gieroba, Malgorzata Biedrzycka, Michal Ogorek, Beata Wozakowska-Kaplon, Krystyna Loboz-Grudzien, Jerzy Kuzniar, Roman Zaluska, Jaroslaw Hiczkiewicz, Lucyna Swiatkowska-Byczynska, Lech Kucharski, Piotr Minc, Maciej Olszewski, Grzegorz Kania, Malgorzata Krzciuk, Zbigniew Lajkowski, Bozenna Ostrowska-Pomian, Jerzy Lewczuk, Elzbieta Zinka, Agnieszka Karczmarczyk, Malgorzata Chmielnicka-Pruszczynska, Iwona Wozniak-Skowerska, Marek Bronisz, Marcin Ogorek, Grazyna Glanowska, Piotr Ruszkowski, Grzegorz Skonieczny, Ryszard Sciborski, Boguslaw Okopien, Piotr Kukla, Krzysztof Galbas, Krzysztof Cymerman, Jaroslaw Jurowiecki, Pawel Miekus, Stanislaw Mazur, Roman Lysek, Jacek Baszak, Teresa Rusicka-Piekarz, Ewa Domanska, Jozef Lesnik, Gadel Kamalov, Dmitry Belenky, Liudmila Egorova, Alexander Khokhlov, Eduard Yakupov, Dmitry Zateyshchikov, Olga Miller, Evgeniy Mazur, Konstantin Zrazhevskiy, Tatyana Novikova, Yulia Moiseeva, Elena Polkanova, Konstantin Sobolev, Maria Rossovskaya, Yulia Shapovalova, Alla Kolesnikova, Konstantin Nikolaev, Oksana Zemlianskaia, Anna Zateyshchikova, Victor Kostenko, Maria Poltavskaya, Anton Edin, Elena Aleksandrova, Oksana Drapkina, Alexander Vishnevsky, Oleg Nagibovich, Petr Chizhov, Svetlana Rachkova, Mikhail Sergeev, Borys Kurylo, Alexey Ushakov, Pere Alvarez Garcia, Luis Tercedor Sanchez, Salvador Tranche Iparraguirre, Pere Toran Monserrat, Emilio Marquez Contreras, Jordi Isart Rafecas, Juan Motero Carrasco, Casimiro Gomez Pajuelo, Angel Grande Ruiz, Jordi Merce Klein, Ines Monte Collado, Herminia Palacin Piquero, Carles Brotons Cuixart, Esther Fernandez Escobar, Cecilia Corros Vicente, Manuel Vida Gutierrez, Francisco Epelde Gonzalo, Encarnacion Martinez Navarro, Maria Barreda Gonzalez, Jose Iglesias Sanmartin, Mercedes Jimenez Gonzalez, Juan Herreros Melenchon, Tomas Ripoll Vera, Manuel Jimenez Navarro, Maria Vazquez Caamano, Gonzalo Marcos Gomez, Andres Iniguez Romo, Alexander Wirdby, Kerstin Henriksson, Micael Elmersson, Arnor Egilsson, Ulf Börjesson, Gunnar Svärd, Anders Lindh, Lars-Bertil Olsson, Mikael Gustavsson, Lars Benson, Claes Bothin, Ali Hajimirsadeghi, Björn Martinsson, Marianne Ericsson, Åke Ohlsson, Håkan Lindvall, Peter Svensson, Katarina Thörne, Hans Händel, Pyotr Platonov, Fredrik Bernsten, Ingar Timberg, Milita Crisby, Lennart Malmqvist, Jörgen Thulin, Aida Hot-Bjelak, Steen Jensen, Per Stalby, Johann Debrunner, Iurii Rudyk, Oleksandr Karpenko, Svitlana Zhurba, Igor Kraiz, Oleksandr Parkhomenko, Iryna Kupnovytska, Nestor Seredyuk, Oleksiy Ushakov, Olena Koval, Igor Kovalskiy, Yevgeniya Svyshchenko, Susanna Tykhonova, Ivan Fushtey, Naresh Chauhan, Daryl Goodwin, Ramila Patel, Bennett Wong, Alex Cameron, Niranjan Patel, M S Kainth, Gill Pickavance, Joanna McDonnell, Laura Handscombe, Trevor Gooding, Helga Wagner, Catherine Bromham, Shoeb Suryani, Bhupinder Sarai, W Willcock, S Sircar, A Gilliand, Roman Bilas, E Strieder, Anne Wakeman, Graham Kirby, Bhaskhar Vishwanathan, Nigel Bird, John Bisatt, Jennifer Litchfield, Tim Fooks, Richard Kelsall, Neil Paul, Elizabeth Alborough, Michael Aziz, Pete Wilson, Sue Fairhead, Hasan Chowan, Gary Taylor, Dawn Tragen, Matt Parfitt, Claire Seamark, Carolyn Paul, Angus Jefferies, Helen Sharp, Claire Giles, Matthew Bramley, Philip Williams, Jehad Aldegather, William Lumb, Phil Evans, Frances Scouller, Yvette Stipp, Philip Pinney, Paul Wadeson, T Railton, Emyr Davies, Jonathan McClure, Marc Jacobs, Claire Hutton, Keith Butter, Susan Barrow, Helen Little, Ulka Choudhary, Ikram Haq, Paul Ainsworth, Phil Weeks, Jane Eden, Lisa Gibbons, Janet Glencross, K Poland, Conor Mulolland, A Warke, Ian Hodgins, Stephen Vercoe, Jayesh Patel, Amar Ali, Nigel De-Sousa, Mark Danielsen, Purnima Sharma, Sophia Galloway, Charlotte Hawkins, Raife Oliver, Martin Aylward, Mira Pattni, Shahid Ahmad, Catherine Rothwell, Fiaz Choudhary, Sabrina Khalaque, Stephanie Short, Sharon Peters, Amy Butler, Steven Coates, Steve Walton, Diane Shepherd, Toh Wong, Melanie Deacon, David Cornelius, Henry Choi, Jon Sumner, Tim Myhill, Salah Estifanos, Diane Geatch, Justin Wilkinson, Richard Veale, Rob Hirst, Kashif Zaman, Catherine Liley, Rebecca Wastling, Paul McEleny, Andre Beattie, Mike Wong, Chaminda Dooldeniya, Greg Rogers, Rajesh Muvva, Matthew Adam, Nicolas Thomas, Rory Reed, Simon Randfield, Ann Flynn, Andrew Halpin, Louise Lomax, Minnal Nadaph, Iain Munro, Jane Goram, John Shewring, Emma Bowen-Simpkins, Bhuwanendu Singh, Penny Astridge, Philip Thomson, Ron Lehman, Andrei Catanchin, David Eccleston, Peter Blombery, Greg Starmer, Margaret Arstall, Maurits Binnekamp, Astin Lee, Robert Luton, Amritanshu Shekhar Pandey, Stephen Cheung, Rolland Leader, Philippe Beaudry, Félix Ayala-Paredes, John Heath, Germain Poirier, Bradley Schweitzer, Reginald Nadeau, Ripple Dhillon, Tomasz Hruczkowski, Andrea Lavoie, Ratika Parkash, James Cha, Benoit Coutu, Jorge Bonet, Saul Vizel, Sameh Fikry, Ahmed Mowafy, Azza Katta, Mazen Tawfik, Moustafa Nawar, Mohamed Sobhy, Tarek Khairy, Ahmed Abd El-Aziz, Ashraf Reda, Atef Elbahry, Mohamed Setiha, Magdi Elkhadem, Adel El-Etreby, David Kettles, Junaid Bayat, Heidi Siebert, Adrian Horak, Ynez Kelfkens, Riaz Garda, Thayabran Pillay, Michele Guerra, Hendrik Theron, Rikus Louw, Deon Greyling, Pindile Mntla, Siddique Ismail, Fayzal Ahmed, Johannes Engelbrecht, Shambu Maharajh, Veronica Ueckermann, Ghazi Yousef, Munther AlOmairi, Rajan Maruthanayagam, Rupesh Singh, Ahmed Naguib, Amrish Agrawal, Mukesh Nathani, Adel Wassef, Scott Beach, Peter Duffy, Stephen Falkowski, Kevin Ferrick, Miguel Franco, Annette Quick, Vance Wilson, Mark Alberts, Edwin Blumberg, Roddy Canosa, Ted Gutowski, Rodney Ison, Jorge Garcia, Howard Noveck, Pamela Rama, Rajneesh Reddy, Marcus Williams, Keith Ferdinand, Ihsan Haque, Robert Mendelson, Sridevi Pitta, Charles Treasure, Cas Cader, Walter Pharr, Alisha Oropallo, George Platt, Jaspal Gujral, James Welker, Firas Koura, Ajay K. Kakkar, A. John Camm, David A. Fitzmaurice, Keith A.A. Fox, Bernard J. Gersh, Samuel Z. Goldhaber, Lorenzo G. Mantovani, Karen S. Pieper, Alexander G.G. Turpie, Freek W.A. Verheugt, Antonio Carlos PereiraBarretto, Stuart J. Connolly, Jean-Yves Le Heuzey, Jitendra Pal SinghSawhney, Carlos JerjesSánchez Díaz, Hugo Ten Cate, Wael Al Mahmeed, Zhiming Yang Li Xue, A.G. Ravi Shankar, Chiei Takanaka Sen Adachi, Rodolfo AndresAhuad Guerrero, Leonel Adalberto Di Paola, DárioCelestino Sobral Filho, Costantino RobertoFrack Costantini, Weimar Kunz SebbaBarrosodeSouzaem, João David deSouzaNeto, José Carlos MouraJorge, Adalberto MenezesLorga Filho, Carlos Henrique DelCarlo, FernandoAugustoAlves da Costa, Gilson Robertode Araújo, Jose FranciscoKerr Saraiva, João CarlosFerreira Braga, Roberto Álvaro RamosFilho, Cláudio MunhozdaFontoura Tavares, CésarCássio Broilo França, Guido BernardoAranha Rosito, João BatistadeMouraXavierMoraes Junior, Roberto Simõesde Almeida, Ney CarterdoCarmo Borges, LuísGustavo Gomes Ferreira, Benjamin AleckJosehStockins Fernandez, CarlosJerjes Sanchez Diaz, Jesus JaimeIllescas Diaz, Maria GuadalupeRamos Zavala, GuillermoAntonio Llamas Esperón, Manuel delosRios Ibarra, LuisRamon Virgen Carrillo, JuanJose Lopez Prieto, Jose LuisLeiva Pons, Carlos GerardoCantu Brito, EduardoJulianJose Roberto ChuquiureValenzuela, Alberto EstebanBazzoni Ruiz, Oscar MartinLopez Ruiz, Jesus DavidMorales Cerda, Axel De Wolf, Carmela Viitanen, Giovanni Di Minno, Raimondo De Cristofaro, Angelo De Blasio, Maria D'Avino, J.H. Ruiter, Coen van Guldener, P.R. Nierop S.H.K., B.E. Groenemeijer, W. Terpstra, L.V.A. Boersma, Wieslaw Supinski Jaroslaw, Roman Libis Vera Eltishcheva, Maria FernandaLopez Fernandez, Luis MiguelRincon Diaz, Luis FernandoIglesias Alonso, Jose RamonGonzalez Juanatey, Joan Bayo iLlibre, Carlos AlexandreAlmeida Fernandez, Juan JoseMontero Alia, Maria AngelsMoleiro Oliva, Maria delMarRodriguez Alvarez, Maria FeArcocha Torres, Miguel AngelPrieto Diaz, Jan Lindén Centrumkliniken, Juerg H. Beer, Colin Bradshaw Cumberlidge, Daniel Jackson Ben Ward, Nick Hargreaves Ben Frankel, William van Gaal, David O'Donnell, Miranda du Preez, Seif Kamal Abou Seif, Mohamed Gamal El Din, Louis van Zyl, Rehana Loghdey Wessel Oosthuysen, Abdullah Al Naeemi, Ehab M. Esheiba, and W. Michael Kutayli

Subjects
Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract

Objective While greater body mass index (BMI) is associated with increased risk of developing atrial fibrillation (AF), the impact of BMI on outcomes in newly diagnosed AF is unclear. We examine the influence of BMI on outcomes and whether this is modified by sex and evaluate the effect of non-vitamin K oral anticoagulants (NOACs) in patients with high BMI.Methods GARFIELD-AF is a prospective registry of 52 057 newly diagnosed AF patients. The study population comprised 40 482 participants: 703 underweight (BMI

Published
2022
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5. Asymmetric coplanar strip based stepped monopole sensor for liquid permittivity measurements

Author

Remsha Moolat, Manoj Mani, and Mohanan Pezholil

Subjects
Asymmetric coplanar strip (ACS), Complex permittivity, Radiation efficiency, Reflection coefficient, Reflection phase difference, Stepped monopole, Engineering (General). Civil engineering (General), TA1-2040
Abstract

Investigation of dielectric properties of materials has significant applications in the current scenario. A high sensitive microwave submersible sensor for measuring complex permittivity of liquids over a broad range is presented in this paper. An asymmetric coplanar strip (ACS) fed stepped monopole is employed as the sensing element, and the impedance contrast in the stepped monopole maximizes the sensor’s sensitivity. The sensor is immersed in the liquid sample, and its resonant frequency is exploited to determine the real part of permittivity, and the reflection phase or the radiation efficiency is utilized for the imaginary part of permittivity. Analysis of the sensor, loaded with liquid samples of various dielectric constants and loss tangents, is presented in this paper. The proposed sensor operating at 5.3 GHz under unloaded condition has a maximum numerical sensitivity of 13.7%. The sensor is fabricated and experimentally validated with liquids with dielectric constant ranging from 2–78. The proposed sensor is utilized to measure the glucose concentration in an aqueous glucose solution and the concentration of ethanol blending in petrol.

Published
2022
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6. Introducing a Foundation Programme Aiming at Academic Cognition

Author

K. P. Mohanan and Tara Mohanan

Abstract

The quality of education of an educational programme is a function of the value of the educational goals that the programme aims at, together with the effectiveness and efficiency of the means that it employs to achieve those goals, including pedagogical strategies and assessment tasks. Hence, in order to raise the quality of education, the current discourse of 'Outcome Based Education' needs to shift its focus from what the teacher does in the classroom to raising the quality of student learning. To do this, many universities both in India and abroad have initiated Foundation Programmes as part of both General Education and Specialized Education. This article proposes that such a foundation programme must aim at what we call Academic Cognition, in consonance with what NEP 2020 calls Higher-Order Cognition. We spell out the various strands of Academic Cognition, and explore ways in which foundation programmes in the curricula for Higher Education can provide the foundations for Academic Cognition.

Published
2024
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7. Challenges with sirolimus experimental data to inform QSP model of post‐transplantation cyclophosphamide regimens

Author

Mohanan, Ezhilpavai, Shen, Guofang, Ren, Suping, Fan, Hsuan‐Hao, Moua, Kao Tang Ying, Karolak, Aleksandra, Rockne, Russell C, Nakamura, Ryotaro, Horne, David A, Kanakry, Christopher G, Mager, Donald E, and McCune, Jeannine S

Subjects
Biomedical and Clinical Sciences, Immunology, Transplantation, Cancer, Prevention, Rare Diseases, Humans, Sirolimus, Graft vs Host Disease, Hematopoietic Stem Cell Transplantation, Cyclophosphamide, Immunosuppressive Agents, T-Lymphocytes, Regulatory, Animals, Models, Biological, Cardiorespiratory Medicine and Haematology, Oncology and Carcinogenesis, Other Medical and Health Sciences, General Clinical Medicine, Cardiovascular medicine and haematology, Pharmacology and pharmaceutical sciences
Abstract

Dose optimization of sirolimus may further improve outcomes in allogeneic hematopoietic cell transplant (HCT) patients receiving post-transplantation cyclophosphamide (PTCy) to prevent graft-versus-host disease (GVHD). Sirolimus exposure-response association studies in HCT patients (i.e., the association of trough concentration with clinical outcomes) have been conflicting. Sirolimus has important effects on T-cells, including conventional (Tcons) and regulatory T-cells (Tregs), both of which have been implicated in the mechanisms by which PTCy prevents GVHD, but there is an absence of validated biomarkers of sirolimus effects on these cell subsets. Considering the paucity of existing biomarkers and the complexities of the immune system, we conducted a literature review to inform a quantitative systems pharmacology (QSP) model of GVHD. The published literature presented multiple challenges. The sirolimus pharmacokinetic models insufficiently describe sirolimus distribution to relevant physiological compartments. Despite multiple publications describing sirolimus effects on Tcons and Tregs in preclinical and human ex vivo models, consistent parameters relating sirolimus concentrations to circulating Tcons and Tregs could not be found. Each aspect presents a challenge in building a QSP model of sirolimus and its temporal effects on T-cell subsets and GVHD prevention. To optimize GVHD prevention regimens, phase I studies and systematic studies of immunosuppressant concentration-effect association are needed for QSP modeling.

Published
2024

8. Temperature dependence of Coherent versus spontaneous Raman Scattering

Author

Batignani, Giovanni, Mai, Emanuele, Martinati, Miles, Neethish, Mohanan M., Mukamel, Shaul, and Scopigno, Tullio

Subjects
Physics - Optics, Physics - Chemical Physics
Abstract

Due to their sub picosecond temporal resolution, coherent Raman spectroscopies have been proposed as a viable extension of Spontaneous Raman (SR) thermometry, to determine dynamics of mode specific vibrational energy content during out of equilibrium molecular processes. Here we show that the presence of multiple laser fields stimulating the vibrational coherences introduces additional quantum pathways, resulting in destructive interference. This ultimately reduces the thermal sensitivity of single spectral lines, nullifying it for harmonic vibrations and temperature independent polarizability. We demonstrate how harnessing anharmonic signatures such as vibrational hot bands enables coherent Raman thermometry.

Published
2024

9. An in-silico approach to meniscus tissue regeneration: Modeling, numerical simulation, and experimental analysis

Author

Grosjean, Elise, Keilmann, Alex, Jäger, Henry, Mohanan, Shimi, Redenbach, Claudia, Simeon, Bernd, Surulescu, Christina, de Roy, Luisa, Seitz, Andreas, Teixeira, Graciosa, Dauner, Martin, Linti, Carsten, and Schmidt, Günter

Subjects
Quantitative Biology - Tissues and Organs, Mathematics - Analysis of PDEs, Mathematics - Numerical Analysis, Quantitative Biology - Cell Behavior, Quantitative Biology - Quantitative Methods
Abstract

We develop a model the dynamics of human mesenchymal stem cells (hMSCs) and chondrocytes evolving in a nonwoven polyethylene terephtalate (PET) scaffold impregnated with hyaluron and supplied with a differentiation medium. The scaffold and the cells are assumed to be contained in a bioreactor with fluid perfusion. The differentiation of hMSCs into chondrocytes favors the production of extracellular matrix (ECM) and is influenced by fluid stress. The model takes deformations of ECM and PET scaffold into account. The scaffold structure is explicitly included by statistical assessment of the fibre distribution from CT images. The effective macroscopic equations are obtained by appropriate upscaling from dynamics on lower (microscopic and mesoscopic) scales and feature in the motility terms an explicit cell diffusion tensor encoding the assessed anisotropic scaffold structure. Numerical simulations show its influence on the overall cell and tissue dynamics.

Published
2024

10. On a mathematical model for tissue regeneration

Author

Mohanan, Shimi Chettiparambil, Mohan, Nishith, and Surulescu, Christina

Subjects
Mathematics - Analysis of PDEs
Abstract

We propose a PDE-ODE model for tissue regeneration, obtained by parabolic upscaling from kinetic transport equations written for the mesoscopic densities of mesenchymal stem cells and chondrocytes which evolve in an artificial scaffold impregnated with hyaluron. Due to the simple chosen turning kernels, the effective equations obtained on the macroscopic level are of the usual reaction-diffusion-taxis type. We prove global existence of solutions to the coupled macroscopic system and perform a stability and bifurcation analysis, which shows that the observed patterns are driven by taxis. Numerical simulations illustrate the model behavior for various tactic sensitivities and initial conditions.

Published
2024

13. Extending Polaris to Support Transactions

Author

Aguilar-Saborit, Josep, Ramakrishnan, Raghu, Bocksrocker, Kevin, Halverson, Alan, Kosinsky, Konstantin, O'Connor, Ryan, Poliakova, Nadejda, Shafiei, Moe, Kim, Taewoo, Kon-Kim, Phil, Mahmud-Ansari, Haris, Matuszyk, Blazej, Miles, Matt, Mohanan, Sumin, Petculescu, Cristian, Rahesh-Madan, Ishan, Rose-Wirshing, Emma, and Yousefi, Elias

Subjects
Computer Science - Databases
Abstract

In Polaris, we introduced a cloud-native distributed query processor to perform analytics at scale. In this paper, we extend the underlying Polaris distributed computation framework, which can be thought of as a read-only transaction engine, to execute general transactions (including updates, deletes, inserts and bulk loads, in addition to queries) for Tier 1 warehousing workloads in a highly performant and predictable manner. We take advantage of the immutability of data files in log-structured data stores and build on SQL Server transaction management to deliver full transactional support with Snapshot Isolation semantics, including multi-table and multi-statement transactions. With the enhancements described in this paper, Polaris supports both query processing and transactions for T-SQL in Microsoft Fabric., Comment: 12 pages, 12 Figures

Published
2024

20. MRI-based Neuropathy Score Reporting And Data System (NS-RADS): multi-institutional wider-experience usability study of peripheral neuropathy conditions among 32 radiology readers

Author

Chhabra, Avneesh, Duarte Silva, Flavio, Mogharrabi, Bayan, Guirguis, Mina, Ashikyan, Oganes, Rasper, Michael, Park, Eunhae, Walter, Sven S., Umpierrez, Monica, Pezeshk, Parham, Thurlow, Peter C., Jagadale, Akshaya, Bajaj, Gitanjali, Komarraju, Aparna, Wu, Jim S, Aguilera, Antonio, Cardoso, Fabiano Nassar, Souza, Felipe, Chaganti, SubbaRao, Antil, Neha, Manzano, Wilfred, Stebner, Alexander, Evers, Jochen, Petterson, Matthew, Geisbush, Thomas, Downing, Chad, Christensen, Diana, Horneber, Elizabeth, Kim, Jun Man, Purushothaman, Rangarajan, Mohanan, Shilpa, Raichandani, Surbhi, Vilanilam, George, Cabrera, Clementina, Manov, John, Maloney, Sean, Deshmukh, Swati D., Lutz, Amelie M., Fritz, Jan, Andreisek, Gustav, Chalian, Majid, Wong, Philip K., Pandey, Tarun, Subhawong, Ty, and Xi, Yin

Published
2024
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26. Role of plasticity in the universal scaling of shear thickening dense suspensions

Author

Barik, Sachidananda, Mohanan, Akhil, and Majumdar, Sayantan

Subjects
Condensed Matter - Soft Condensed Matter
Abstract

Increase in viscosity under increasing shear stress, known as shear thickening (ST), is one of the most striking properties of dense particulate suspensions. Under appropriate conditions, they exhibit discontinuous shear thickening (DST), where the viscosity increases dramatically and can also transform into a solid-like state due to shear induced jamming (SJ). The microscopic mechanism giving rise to such interesting phenomena is still a topic of intense research. A phenomenological model proposed by Wyart and Cates shows that the proliferation of stress-activated interparticle frictional contacts can give rise to such striking flow properties. Building on this model, a recent work proposes and verifies a universal scaling relation for ST systems where two different power-law regimes with a well-defined crossover point is obtained. Nonetheless, the difference in the nature of the flow in these two scaling regimes remains unexplored. Here, using rheology in conjugation with high-speed optical imaging, we study the flow and local deformations in various ST systems. We observe that with increasing applied stress, the smooth flow changes into a spatio-temporally varying flow across the scaling-crossover. We show that such fluctuating flow is associated with intermittent dilatancy, shear band plasticity and fracture induced by system spanning frictional contacts., Comment: SI movies can be downloaded from https://drive.google.com/drive/folders/1NDULq4JDMH3cSD5aWXCludQVyWwIgDwV?usp=sharing

Published
2023

28. A Kerala model for cardiovascular research?

Author

Geevar Zachariah, Mohanan Padinharepurayil, and Krishnan Mangalath Narayanan

Subjects
Kerala model, Cardiovascular, Medical research, Indian studies, Cardiological Society of India, Surgery, RD1-811, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract

India's contribution to cardiovascular research has been dismal with a share of only 1% of total number of papers published in the world during the period 1999–2008. Based on two recent studies published from Kerala, the Kerala ACS Registry and the CSI Kerala CRP Study and four other studies being undertaken in Kerala, we think that a Kerala model for cardiovascular research can be conceptualized. This model which consists of funding by professional organization of cardiologists with wide participation of cardiologists, physicians, health workers, nurses, and in some situations general public, logistics looked after by a central coordinator and study design by panel of experts or institutions of repute in the region and carried out at low cost can be considered for implementation in rest of India. Studies based on such a model may change practice pattern of cardiovascular diseases in India.

Published
2016
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40. Vertical convection regimes in a two-dimensional rectangular cavity: Prandtl and aspect ratio dependance

Author

Khoubani, Arman, Mohanan, Ashwin Vishnu, Augier, Pierre, and Flór, Jan-Bert

Subjects
Physics - Fluid Dynamics
Abstract

Vertical convection is the fluid motion that is induced by the heating and cooling of two opposed vertical boundaries of a rectangular cavity (see e.g. Wang et al. 2021). We consider the linear stability of the steady two-dimensional flow reached at Rayleigh numbers of O($10^8$). As a function of the Prandtl number, $Pr$, and the height-to-width aspect ratio of the domain, $A$, the base flow of each case is computed numerically and linear simulations are used to obtain the properties of the leading linear instability mode. Flow regimes depend on the presence of a circulation in the entire cavity, detachment of the thermal layer from the boundary or the corner regions, and on the oscillation frequency relative to the natural frequency of oscillation in the stably temperature-stratified interior, allowing for the presence of internal waves or not. Accordingly the regime is called slow or fast, respectively. Either the global circulation or internal waves in the interior may couple the top and bottom buoyancy currents, while their absence implies asymmetry in their perturbation amplitude. Six flow regimes are found in the range of $0.1 \leq Pr \leq 4$ and $0.5 \leq A \leq 2$. For $Pr \lessapprox 0.4 $ and $A>1$ the base flow is driven by a large circulation in the entire cavity. For $Pr \gtrapprox 0.7$ the thermal boundary layers are thin and the instability is driven by the motion along the wall and the detached boundary layer. A transition between these regimes is marked by a dramatic change in oscillation frequency at $Pr = 0.55 \pm0.15$ and $A <2$., Comment: Accepted to the Journal for Fluid Mechanics

Published
2023

41. KeyDetect --Detection of anomalies and user based on Keystroke Dynamics

Author

Kar, Soumyatattwa, Bamotra, Abhishek, Duvvuri, Bhavya, and Mohanan, Radhika

Subjects
Computer Science - Computer Vision and Pattern Recognition, Computer Science - Cryptography and Security
Abstract

Cyber attacks has always been of a great concern. Websites and services with poor security layers are the most vulnerable to such cyber attacks. The attackers can easily access sensitive data like credit card details and social security number from such vulnerable services. Currently to stop cyber attacks, various different methods are opted from using two-step verification methods like One-Time Password and push notification services to using high-end bio-metric devices like finger print reader and iris scanner are used as security layers. These current security measures carry a lot of cons and the worst is that user always need to carry the authentication device on them to access their data. To overcome this, we are proposing a technique of using keystroke dynamics (typing pattern) of a user to authenticate the genuine user. In the method, we are taking a data set of 51 users typing a password in 8 sessions done on alternate days to record mood fluctuations of the user. Developed and implemented anomaly-detection algorithm based on distance metrics and machine learning algorithms like Artificial Neural networks (ANN) and convolutional neural network (CNN) to classify the users. In ANN, we implemented multi-class classification using 1-D convolution as the data was correlated and multi-class classification with negative class which was used to classify anomaly based on all users put together. We were able to achieve an accuracy of 95.05% using ANN with Negative Class. From the results achieved, we can say that the model works perfectly and can be bought into the market as a security layer and a good alternative to two-step verification using external devices. This technique will enable users to have two-step security layer without worrying about carry an authentication device.

Published
2023

43. Understanding the limits of remote focusing

Author

Mohanan, Sharika and Corbett, Alexander D.

Subjects
Physics - Optics
Abstract

It has previously been demonstrated in both simulation and experiment that well aligned remote focusing microscopes exhibit residual spherical aberration outside the focal plane. In this work, compensation of the residual spherical aberration is provided by the correction collar on the primary objective, controlled by a high precision stepper motor. A Shack-Hartmann wave front sensor is used to demonstrate the magnitude of the spherical aberration generated by the correction collar matches that predicted by an optical model of the objective lens. The limited impact of spherical aberration compensation on the diffraction limited range of the remote focusing system is described through a consideration of both on-axis and off-axis comatic and astigmatic aberrations, which are an inherent feature of remote focusing microscopes., Comment: 14 pages, 8 figures

Published
2022
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44. Design of Multiband GaN HEMT Power Amplifier for Radar Applications

Author

Sarathkrishna, S., Mridula, S., Mohanan, P., Abhilash, S., Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Devi, B. Rama, editor, Kumar, Kishore, editor, Raju, M., editor, Raju, K. Srujan, editor, and Sellathurai, Mathini, editor

Published
2024
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46. Efficacy and safety of curcumin in maintaining remission during disease-modifying antirheumatic drug withdrawal in rheumatoid arthritis at 52 weeks: a phase III double-blind, randomized placebo-controlled trial

Author

Bhat, Sreeja S., Ahmed, Sakir, Reji, Reshma, Mehta, Pankti, Paul, Aby, Mohanan, Manju, Babu, Sageer, Vinayak, Biju, Vijayan, Anuroopa, Nalianda, Kaveri K., Joseph, Sanjana, Narayanan, K., Padmaja, R., Alex, Glaxon, and Shenoy, Padmanabha

Published
2023
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48. An extraordinary transmission analogue for enhancing microwave antenna performance

Author

Sarin V. Pushpakaran, Jayakrishnan M. Purushothaman, Aanandan Chandroth, Mohanan Pezholil, and Vasudevan Kesavath

Subjects
Physics, QC1-999
Abstract

The theory of diffraction limit proposed by H.A Bethe limits the total power transfer through a subwavelength hole. Researchers all over the world have gone through different techniques for boosting the transmission through subwavelength holes resulting in the Extraordinary Transmission (EOT) behavior. We examine computationally and experimentally the concept of EOT nature in the microwave range for enhancing radiation performance of a stacked dipole antenna working in the S band. It is shown that the front to back ratio of the antenna is considerably enhanced without affecting the impedance matching performance of the design. The computational analysis based on Finite Difference Time Domain (FDTD) method reveals that the excitation of Fabry-Perot resonant modes on the slots is responsible for performance enhancement.

Published
2015
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