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608 results on '"Roy, Asim"'

13. Resistive Switching Mechanism in Polymer Embedded Chemically Synthesized Reduced Graphene Oxide

Author

Das, Nipom Sekhar, Chowdhury, Avijit, Roy, Asim, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Chong, Peter Han Joo, editor, Kalam, Akhtar, editor, Pascoal, Antonio, editor, and Bera, Manas Kumar, editor

Published
2022
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19. Solriamfetol for Excessive Sleepiness in Obstructive Sleep Apnea (TONES 3). A Randomized Controlled Trial

Author

Schweitzer, Paula K, Rosenberg, Russell, Zammit, Gary K, Gotfried, Mark, Chen, Dan, Carter, Lawrence P, Wang, Hao, Lu, Yuan, Black, Jed, Malhotra, Atul, Strohl, Kingman P, Blackman, Adam, George, Charles, Shapiro, Colin, Benes, Heike, Fietze, Ingo, Mayer, Geert, Young, Peter, Lammers, Gert Jan, Ahmed, Mansoor, Ajayi, Akinyemi, Andry, James, Artal, Roy, Bastani, Bijan, Bogan, Richard, Corser, Bruce, Drake, Christopher, Emsellem, Helene, Erman, Milton, Feldman, Neil, Foldvary, Nancy, Hudson, John, Krahn, Lois, Lorch, Daniel, Maynard, James, Mignot, Emmanuel, Neeb, Michael, Ojile, Joseph, Perkins, Alvin Thomas, Roy, Asim, Sahota, Pradeep, Sangal, R Bart, Schreiber, Andrew, Schweitzer, Paula, Steele, Ralph, Stern, Thomas, Stolz, Sarah, Strohl, Kingman, Swick, Todd, Swick, Todd J, Thein, Stephen G, Thomas, Robert, Thorpy, Michael, Weaver, Terri, Wilks, Kerri, Winslow, David, Wylie, Paul, Zammit, Gary, and Zee, Phyllis

Subjects
Biomedical and Clinical Sciences, Cardiovascular Medicine and Haematology, Patient Safety, Clinical Trials and Supportive Activities, Sleep Research, Clinical Research, Behavioral and Social Science, Neurosciences, Lung, Evaluation of treatments and therapeutic interventions, 6.1 Pharmaceuticals, Adult, Aged, Carbamates, Disorders of Excessive Somnolence, Dopamine Uptake Inhibitors, Double-Blind Method, Female, Humans, Male, Middle Aged, Norepinephrine Plasma Membrane Transport Proteins, Phenylalanine, Sleep Apnea, Obstructive, obstructive sleep apnea, solriamfetol, JZP-110, excessive sleepiness, TONES 3, TONES 3 Study Investigators, Medical and Health Sciences, Respiratory System, Cardiovascular medicine and haematology, Clinical sciences
Abstract

Rationale: Primary treatment of obstructive sleep apnea can be accompanied by a persistence of excessive sleepiness despite adherence. Furthermore, effectiveness of sleep apnea treatment is limited by poor adherence. Currently available pharmacologic options for the treatment of sleepiness in this population are limited. Objectives: To evaluate the efficacy and safety of solriamfetol (JZP-110), a selective dopamine and norepinephrine reuptake inhibitor with robust wake-promoting effects, for the treatment of excessive sleepiness in participants with obstructive sleep apnea with current or prior sleep apnea treatment. Methods: This was a double-blind, randomized, placebo-controlled, parallel-group, 12-week trial comparing solriamfetol, 37.5, 75, 150, and 300 mg, with placebo. Measurements and Main Results: Of 476 randomized participants, 459 were included in the prespecified efficacy analyses. Coprimary endpoints (Maintenance of Wakefulness Test sleep latency and Epworth Sleepiness Scale score) were met at all solriamfetol doses (P

Published
2019

35. Performance Comparison of Machine Learning Platforms

Author

Roy, Asim, Qureshi, Shiban, Pande, Kartikeya, Nair, Divitha, Gairola, Kartik, Jain, Pooja, Singh, Suraj, Sharma, Kirti, Jagadale, Akshay, Lin, Yi-Yang, Sharma, Shashank, Gotety, Ramya, Zhang, Yuexin, Tang, Ji, Mehta, Tejas, Sindhanuru, Hemanth, Okafor, Nonso, Das, Santak, Gopal, Chidambara N., Rudraraju, Srinivasa B., and Kakarlapudi, Avinash V.

Subjects
Microsoft Corp., Automation -- Comparative analysis, Computer software industry -- Comparative analysis, Mechanization -- Comparative analysis, Machine learning -- Comparative analysis, Data mining -- Comparative analysis, Algorithms -- Comparative analysis, Data warehousing/data mining, Algorithm, Computers, Science and technology
Abstract

Abstract. In this paper, we present a method for comparing and evaluating different collections of machine learning algorithms on the basis of a given performance measure (e.g., accuracy, area under [...]

Published
2019
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49. Heterovalent tin ion-regulated bromobismuth double perovskite-based fully-inorganic solar cells.

Author

Dehingia, Anurag, Das, Ujjal, and Roy, Asim

Abstract

Recently, lead-free halide double perovskites have evolved to be a promising photo-absorber for photovoltaic applications due to their high thermal and moisture stability and negligible toxicity. However, their photovoltaic performance is still limited owing to improper film quality, inappropriate band gap, and high defect density. Herein, we report Cs2AgBiBr6 double perovskite (DP)-based fully-inorganic solar cells with enhanced photovoltaic performance accomplished via heterovalent Sn2+ doping. The band gap of the DP photo-absorber is reduced by carefully controlling the Sn2+ doping concentration and subsequently its charge extraction capability is improved. In addition, Sn2+ incorporation has improved the surface morphology, carrier lifetime, defect states and electron mobility of the DP layer. Meanwhile, an upshift of the valence band maximum energy of Cs2AgBiBr6 (from −6.41 eV to −6.32 eV) with Sn2+ incorporation is observed via ultra-violet photoelectron spectroscopy (UPS) analysis. This re-alignment of energy levels between the perovskite absorber layer and the hole transport layer has created an efficient pathway for hole extraction and transport at the interface. As a result, the optimized Sn-doped device exhibits a remarkably enhanced photo conversion efficiency (PCE) of 2.74% with an excellent open-circuit voltage (Voc) of 1.02 V. The Sn-doped device also shows higher stability over the pristine device for several weeks in ambient atmosphere without encapsulation. This work demonstrates that doping Cs2AgBiBr6 photo-absorber with Sn2+ is an effective approach for efficiency enhancement in PSCs and paves new ways for high performance lead-free stable photovoltaic applications. [ABSTRACT FROM AUTHOR]

Published
2023
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