Results 51 to 60 of about 270,007 (277)

DELP Treatment on Vision and Retinal Microcirculation in Patients With Acute Ischemic Stroke: Report of Five Cases and Literature Review

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background The delipid extracorporeal lipoprotein filter from plasma (DELP) treatment can effectively reduce blood lipid, increase blood flow, and improve neurological deficits in patients with acute ischemic stroke (AIS). However, its effect on vision and retinal microcirculation in stroke patients has never been reported.
Ning Li, Ronghua Hong, Hua You, Feiping Xu, Qingjun Zhang, Yiwen Lin, Yuting Su, Danmei Lan, Lingjing Jin, Junhui She   +9 more
wiley   +1 more source

Rice formulae and Gaussian waves

, 2011
We use Rice formulae in order to compute the moments of some level functionals which are linked to problems in oceanography and optics: the number of specular points in one and two dimensions, the distribution of the normal angle of level curves and the ...
Azaïs, Jean-Marc, León, José R., Wschebor, Mario   +2 more
core   +3 more sources

Optical Random Riemann Waves in Integrable Turbulence [PDF]

, 2017
We examine integrable turbulence (IT) in the framework of the defocusing cubic one-dimensional nonlinear Schr\"{o}dinger equation. This is done theoretically and experimentally, by realizing an optical fiber experiment in which the defocusing Kerr ...
El, Gennady, Gustave, Francois, Randoux, Stephane, Suret, Pierre   +3 more
core   +2 more sources

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou, Konstantina Dipla, Danai Faitatzidou, Fotini Iatridi, Areti Georgiou, Artemios Karagiannidis, Erasmia Sampani, Chrysostomos Dimitriadis, Aggelos Koutlas, Andreas Zafeiridis, Pantelis Sarafidis   +10 more
wiley   +1 more source

Propagation of a Vector Cosine-Gaussian Correlated Beam Through an Active GRIN Medium

IEEE Photonics Journal, 2017
This paper presents a convenient approach that uses the tensor method to study the propagation of a nonuniformly correlated electromagnetic Cosine-Gaussian Schell-model (ECGSM) beam through an active gradient-index (GRIN) medium.
Zitan Wang, Jing Wang, Lingling Huang, Shijun Zhu, Zhenhua Li   +4 more
doaj   +1 more source

Statistical Studies Using Goodness-of-Fit Techniques With Dynamic Underwater Visible Light Communication Channel Modeling

IEEE Access, 2021
In this paper, we studied the probability distribution function (PDF) of the channel gain of dynamic underwater visible light communication (UVLC) model for different types of water using goodness-of-fit (GoF).
Mohamed Mahmoud, Ayman I. Boghdady, Abd El-Rahman A. El-Fikky, Moustafa H. Aly   +3 more
doaj   +1 more source

Seeded x-ray free-electron laser generating radiation with laser statistical properties

, 2018
The invention of optical lasers led to a revolution in the field of optics and even to the creation of completely new fields of research such as quantum optics. The reason was their unique statistical and coherence properties.
Capotondi, F., Danailov, M., Dell`Angela, M., Giannessi, L., Gorobtsov, O. Yu., Kiskinova, M., Lazarev, S., Manfredda, M., Mercurio, G., Pedersoli, E., Prince, K. C., Skopintsev, P., Vartanyants, I. A., Wurth, W., Zaluzhnyy, I. A.   +14 more
core   +3 more sources

Predicting the Future Burden of Renal Replacement Therapy in Türkiye Using National Registry Data and Comparative Modeling Approaches

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic kidney disease is a growing public health problem worldwide, and the number of patients requiring renal replacement therapy is steadily increasing. Türkiye has experienced a similar rise in both the incidence and prevalence of renal replacement therapy over the past decades; however, national‐level projections of future ...
Arzu Akgül, Neriman Sıla Koç, Berrak Itır Aylı   +2 more
wiley   +1 more source

Shaping the far-zone intensity, degree of polarization, angle of polarization, and ellipticity angle using vector Schell-model sources

Results in Physics, 2019
This paper presents a method to control both the shape and polarization of a beam in the far field using a vector Schell-model source. Given a desired far-zone beam shape and polarization, and applying Fourier and statistical optics theory, we derive the
Milo W. Hyde, IV
doaj   +1 more source

Statistical Theory for Incoherent Light Propagation in Nonlinear Media

, 2001
A novel statistical approach based on the Wigner transform is proposed for the description of partially incoherent optical wave dynamics in nonlinear media.
A. Hasegawa, A.A. Sukhorukov, B. Hall, C. Anastassiou, D. Anderson, D. Anderson, D. R. Crawford, D.N. Christodoulides, D.N. Christodoulides, D.N. Christodoulides, D.N. Christodoulides, E. Wigner, G.A. Pasmanik, I. E. Alber, I.B. Bernstein, J.E. Moyal, M. Lisak, M. Mitchell, M. Mitchell, M. Mitchell, M. Soljacic, M.I. Carvalho, N. Akhmediev, N.L. Tsintsadze, N.L. Tsintsadze, P. A. E. M. Janssen, P.K. Shukla, R. Bingham, R. Fedele, R. Fedele, R. Fedele, S.A. Gardiner, T. Tanuti, T.H. Coskun, T.H. Coskun, V. E. Semenov, V.I. Karpman, V.V. Shkunov, W. Królikowski, Z. Chen   +39 more
core   +2 more sources