Results 1 to 10 of about 3,408,895 (339)

Thermodynamic and Kinetic Analysis of Sensitivity Amplification in Biological Signal Transduction [PDF]

, 2002
Based on a thermodynamic analysis of the kinetic model for the protein phosphorylation-dephosphorylation cycle, we study the ATP (or GTP) energy utilization of this ubiquitous biological signal transduction process.
Bourne, Ferrell, Goldbeter, Goldbeter, Gresser, Hartwell, Hill, Hill, Hopfield, Hopfield, Huang, Koshland, Koshland, Krebs, Kushmerick, Li, McKeithan, Poland, Qian, Qian, Shacter, Stadtman, Stryer, Wyman   +23 more
core   +5 more sources

Illusory Motion Perception Is Associated with Contrast Discrimination but Not Motion Sensitivity, Self-Reported Visual Discomfort, or Migraine Status [PDF]

, 2020
Chongyue He, Bao N. Nguyen, Yu Man Chan, Allison M. McKendrick   +3 more
openalex   +1 more source

Transverse NMR relaxation as a probe of mesoscopic structure

, 2002
Transverse NMR relaxation in a macroscopic sample is shown to be extremely sensitive to the structure of mesoscopic magnetic susceptibility variations. Such a sensitivity is proposed as a novel kind of contrast in the NMR measurements. For suspensions of
D. A. Yablonskiy, Dmitry S. Novikov, F. Q. Ye, J. G. Li, J. M. Gomori, K.R. Thulborn, P. Gillis, R. Weisskoff, R. A. Brooks, S. Meiboom, Valerij G. Kiselev   +10 more
core   +1 more source

Systematic review and meta-analysis of the diagnostic accuracy of ultrasonography for deep vein thrombosis [PDF]

, 2005
Background Ultrasound (US) has largely replaced contrast venography as the definitive diagnostic test for deep vein thrombosis (DVT). We aimed to derive a definitive estimate of the diagnostic accuracy of US for clinically suspected DVT and identify ...
A Cogo, A Cogo, A Elias, A Elias, A Gongolo, A Markel, A Miselli, AF Aburahma, AG Aitken, AJ Comerota, AJ Comerota, AJ Sutton, Alex Sutton, AT Irvine, AW Lensing, B Kassai, B van Ramshorst, B Wolf, BD Lewis, BG Birdwell, BG Birdwell, BN Raghavendra, BS Hwang, C Kearon, C Savy-Stortz, D Becker, D Cavaye, D Gaitini, DA Kristo, DC Mitchell, DH O'Leary, DL Rollins, DP Flanigan, DR Anderson, E Bernardi, E Kalodiki, Edwin van Beek, EK Yucel, F Dany, F Pasquariello, FC Sampson, Fiona Sampson, FJ Song, G Guazzaloca, GJ Zhang, GM Baxter, GM Baxter, GP Shields, GP Size, GR Simons, GV Belcaro, H Bounameaux, H Heijboer, H Heijboer, H Rosier, HJ Aronen, HO Leven, I Baumgartner, J De Laveaucoupet, J Howe, J Yao, J Zamora, JC De Valois, JE George, JE George, JF Chance, JG Lijmer, JJ Cranley, JJ Cronan, JJ Deeks, JM Schindler, JP Carpenter, JP Fletcher, JP Laissy, JPJ Archie, JS Ginsberg, K Forbes, K Ouriel, K Walsh, LA Killewich, LW Tick, M Atri, M Dauzat, M Grobety, M Hay, M Mantoni, M Monreal, M Sluzewski, MA Amin, MA Mattos, MCG Holmes, ME McCandless, MJ Bradley, MK Eskandari, MK Zhou, N Labropoulos, N Miller, NH Rosner, OM Pedersen, P De Faucal, P Vogel, PJ Bendick, PL Robertson, PL Robertson, PR Biondetti, PS Wells, PS Wells, PS Wells, PS Wells, PS Wells, PT Appelman, PT Kennedy, R Lindqvist, R Mani, R Poti, R Puls, R Quintavalla, RA Bucek, RA Kraaijenhagen, RB Patterson, SC Rose, SG Thompson, SJ Theodorou, SM Bates, SM Schellong, SM Stevens, Steve Goodacre, Steve Thomas, SW Heim, TE Gudmundsen, TL Turnbull, W Habscheid, W Wysokinski, WD Foley   +133 more
core   +5 more sources

Natural History Note Differential Response To Circularly Polarized Light By The Jewel Scarab Beetle Chrysina Gloriosa [PDF]

, 2010
Circularly polarized light is rare in the terrestrial environment, and cuticular reflections from scarab beetles are one of the few natural sources.
Brady, Parrish, Cummings, Molly
core   +1 more source

Contrast visual acuity in patients with retinitis pigmentosa assessed by a contrast sensitivity tester

Indian Journal of Ophthalmology, 2012
Purpose: To assess contrast visual acuity (CVA) in patients with retinitis pigmentosa (RP) and compare the result with standard visual acuity (VA), retinal thickness, status of inner segment/outer segment junction, and central visual field. Materials and
Maho Oishi, Hajime Nakamura, Masanori Hangai, Akio Oishi, Atsushi Otani, Nagahisa Yoshimura   +5 more
doaj   +1 more source

Contrast Sensitivity and Asthenopia Analysis in Workers

Acta Medica Bulgarica
In the digital age, complaints of eyestrain, or asthenopia, have become increasingly common. This condition is often associated with prolonged near-work activities, such as extended use of computers or digital devices, with reported prevalence rates ...
Amalia H., Adiwardhani A., Devita A., Pratiwi M., Witjaksana R., Dewi A., Yousif E.   +6 more
doaj   +1 more source

Association of Photopic and Mesopic Contrast Sensitivity in older drivers with risk of motor vehicle collision using naturalistic driving data

BMC Ophthalmology, 2020
Background Older drivers have a crash rate nearly equal to that of young drivers whose crash rate is the highest among all age groups. Contrast sensitivity impairment is common in older adults.
Cynthia Owsley, Thomas Swain, Rong Liu, Gerald McGwin, Mi Young Kwon   +4 more
doaj   +1 more source

The Effect of different Tints on Colour Vision and Contrast Sensitivity

, 2023
Simranjit Singh, Kajol, Gursimran Singh
openalex   +1 more source

Alterations in center-surround contrast suppression in patients with major depressive disorder

Scientific Reports
Previous pattern electroretinogram studies indicate reduced retinal contrast gain in patients with a major depressive disorder (MDD) which may contribute to alterations in visual perception.
Kathrin Nickel, Sven P. Heinrich, Malina Beringer, Dominique Endres, Kimon Runge, Sebastian Küchlin, Simon Maier, Michael Bach, Katharina Domschke, Ludger Tebartz van Elst, Evelyn B. N. Friedel   +10 more
doaj   +1 more source