Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Prasad P. Iyer"'
Autor:
Yahya Mohtashami, Ryan A. DeCrescent, Larry K. Heki, Prasad P. Iyer, Nikita A. Butakov, Matthew S. Wong, Abdullah Alhassan, William J. Mitchell, Shuji Nakamura, Steven P. DenBaars, Jon. A. Schuller
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-7 (2021)
Controlling radiation emission using metamaterials is of interest for light sources and other applications. Here, the authors develop generalized phased-array metasurface equations and design metasurface axicons and lenses to collimate and focus the
Externí odkaz:
https://doaj.org/article/db9ef82691d94d63b162966b35a3b20d
Autor:
Tomer Lewi, Nikita A. Butakov, Hayden A. Evans, Mark W. Knight, Prasad P. Iyer, David Higgs, Hamid Chorsi, Juan Trastoy, Javier Del Valle Granda, Ilya Valmianski, Christian Urban, Yoav Kalcheim, Paul Y. Wang, Philip W.C. Hon, Ivan K. Schuller, Jon A. Schuller
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 2, Pp 1-16 (2019)
Metasurfaces are two-dimensional nanostructures that allow unprecedented control of light through engineering the amplitude, phase, and polarization across meta-atom resonators. Adding tunability to metasurface components would boost their potential
Externí odkaz:
https://doaj.org/article/13ecc98222fb44799cdbe896efbd8d42
Ultrawide thermal free-carrier tuning of dielectric antennas coupled to epsilon-near-zero substrates
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-7 (2017)
Achieving large tunability of subwavelength resonators is a central challenge in nanophotonics. Here the authors demonstrate refractive index tuning at mid-infrared wavelengths using temperature-dependent control over the low loss plasma frequency in
Externí odkaz:
https://doaj.org/article/6410b4ea5ba640c5aa990505ee89b980
Autor:
Sai Prasad N. Iyer, PhD, Christopher J. Pino, PhD, Lenar T. Yessayan, MD, Stuart L. Goldstein, MD, Matthew R. Weir, MD, Angela J. Westover, BS, David A. Catanzaro, PharmD, Kevin K. Chung, MD, H. David Humes, MD
Publikováno v:
Transplantation Direct, Vol 10, Iss 6, p e1627 (2024)
A stable, minimum physiological health status is required for patients to qualify for transplant or artificial organ support eligibility to ensure the recipient has enough reserve to survive the perioperative transplant period. Herein, we present a n
Externí odkaz:
https://doaj.org/article/26274fe23cf24edd81834180c8fbe26f
Autor:
Shahriar Faghani, MD, D. Chamil Codipilly, MD, Mana Moassefi, MD, Prasad G. Iyer, MD, Bradley J. Erickson, MD, PhD
Publikováno v:
Mayo Clinic Proceedings: Digital Health, Vol 1, Iss 3, Pp 419-424 (2023)
Objective: To efficiently store, transfer, and analyze whole slide imaging (WSI), we developed an image-processing algorithm to remove the unneeded background in a WSI and assemble tissue-containing parts into smaller WSIs without any change in tissu
Externí odkaz:
https://doaj.org/article/1e5f27108a004e289b123388070ccbcf
Autor:
H. David Humes, MD, Stuart L. Goldstein, MD, Lenar T. Yessayan, MD, David A. Catanzaro, PharmD, Emily C. Scribe, PharmD, Sai Prasad N. Iyer, PhD, Kevin K. Chung, MD
Publikováno v:
Critical Care Explorations, Vol 5, Iss 10, p e0995 (2023)
OBJECTIVES:. Acute kidney injury (AKI) requiring continuous kidney replacement therapy is a significant complication in ICU patients with mortality rates exceeding 50%. A dysregulated immune response can lead to systemic inflammation caused by hypera
Externí odkaz:
https://doaj.org/article/ae437b8cebe34d67a9023f8e7b1ab77e
Autor:
Allon Kahn, Matthew J. McKinley, Molly Stewart, Kenneth K. Wang, Prasad G. Iyer, Cadman L. Leggett, Arvind J. Trindade
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-8 (2022)
Abstract Volumetric laser endomicroscopy (VLE) is an advanced endoscopic imaging tool that can improve dysplasia detection in Barrett’s esophagus (BE). However, VLE scans generate 1200 cross-sectional images that can make interpretation difficult.
Externí odkaz:
https://doaj.org/article/563f082098114cab989e1b9202c328b5
Publikováno v:
Endoscopy International Open, Vol 10, Iss 08, Pp E1053-E1064 (2022)
Background and study aims Radiofrequency ablation (RFA) for dysplastic Barrett’s esophagus (BE) has resulted in a paradigm shift in the management of BE. Despite widespread adoption of RFA, the optimal surveillance interval of the ablated zone is u
Externí odkaz:
https://doaj.org/article/1a34c6d697144405b89f4e81e4801aad
Autor:
Shatabdi Bhattacharjee, Eswar Prasad R. Iyer, Srividya Chandramouli Iyer, Sumit Nanda, Myurajan Rubaharan, Giorgio A. Ascoli, Daniel N. Cox
Publikováno v:
International Journal of Molecular Sciences, Vol 24, Iss 7, p 6344 (2023)
Dendrites are the primary points of sensory or synaptic input to a neuron and play an essential role in synaptic integration and neural function. Despite the functional importance of dendrites, relatively less is known about the underlying mechanisms
Externí odkaz:
https://doaj.org/article/5987d1de36c9469aa7e2ffd3bc8bc3bd
Autor:
Tianshun Zhang, Qiushi Wang, Wei-Ya Ma, Keke Wang, Xiaoyu Chang, Michele L. Johnson, Ruihua Bai, Ann M. Bode, Nathan R. Foster, Gary W. Falk, Paul J. Limburg, Prasad G. Iyer, Zigang Dong
Publikováno v:
EBioMedicine, Vol 49, Iss , Pp 145-156 (2019)
Background: Barrett's esophagus (BE), a complication of gastroesophageal reflux disease (GERD), predisposes patients to esophageal adenocarcinoma (EAC). Reliable biomarkers for early detection and discovery of potential drug targets are urgently need
Externí odkaz:
https://doaj.org/article/a1340108bc344158b5596097c1137bc8