Results 41 to 50 of about 91,266 (341)

One photon and two photon process in photo-decomposition of germanium oxygen deficient centres

, 1998
UV photon-induced transformation of germanium oxygen deficient centres (GODC) in germanium-doped silica glass have been studied using photocurrent measurements, absorption and fluorescence bleaching.
Alimpiev, S.S., Bagratashvili, V.N., Chernov, P.V., Dong, L., Rybaltovskii, A.O., Simanovskii, Y.O., Tsypina, S.I., Zavorotny, Y.S.   +7 more
core   +1 more source

Polymorph-induced photosensitivity change in titanylphthalocyanine revealed by the charge transfer integral

Nanophotonics, 2019
The crystal form of semiconductor materials is keenly correlated with the photosensitivity of optoelectronic devices. Thus, understanding the crystal form-dependent photosensitivity mechanism is critical.
Li Xiaolong, Xiao Yin, Wang Shirong, Yang Yuhao, Ma Yongning, Li Xianggao   +5 more
doaj   +1 more source

Photodermatoses in Childhood

Вопросы современной педиатрии, 2021
Photodermatoses is a heterogeneous group of diseases resulting from abnormal skin hypersensitivity to sunlight and presented as local or generalized rashes.
Nikolay N. Murashkin, Eduard T. Ambarchian, Roman V. Epishev, Alexander I. Materikin, Leonid A. Opryatin, Roman A. Ivanov, Daria S. Kukoleva   +6 more
doaj   +1 more source

Binary Multifunctional Ultrabroadband Self-Powered g-C3N4 /Si Heterojunction High-Speed Photodetector

, 2018
Compact optical detectors with fast binary photoswitching over a broad range of wavelength are essential as an interconnect for any light-based parallel, real-time computing.
Barvat, Arun, Khanna, Suraj P., Kumar, Gaurav, Pal, Prabir, Prakash, Nisha, Singh, H. K., Singh, Manjri, Singh, Surinder P.   +7 more
core   +1 more source

A boy with bird-like facies and ataxia: Cockayne syndrome

Indian Journal of Paediatric Dermatology, 2018
Introduction: Congenital photosensitive disorders are a group disorders presenting with photosensitivity, short stature (SS), systemic manifestations and susceptibility to malignancy.
Vishalakshi S Pandit
doaj   +1 more source

Trigeminal Pain Molecules, Allodynia, and Photosensitivity Are Pharmacologically and Genetically Modulated in a Model of Traumatic Brain Injury.

Journal of Neurotrauma, 2016
The pain-signaling molecules, nitric oxide synthase (NOS) and calcitonin gene-related peptide (CGRP), are implicated in the pathophysiology of post-traumatic headache (PTH) as they are for migraine. This study assessed the changes of inducible NOS (iNOS)
Brittany V. Daiutolo, A. Tyburski, Shannon W. Clark, Melanie B. Elliott   +3 more
semanticscholar   +1 more source

Persistence of Photosensitivity [PDF]

Epilepsia, 1997
Summary: Purpose: One hundred patients with photosensitive epilepsy were investigated as part of an ongoing follow‐up study. Average duration of follow‐up was 14 years; mean age at follow‐up was 27 years. Methods: All patients were EEG investigated using a standard technique of intermittent photic stimulation (IPS).
Graham F.A. Harding, P. M. Jeavons, A. S. Edson   +2 more
openaire   +3 more sources

Automated photosensitivity enhancement in optical fiber tapers

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
An alternative technique that uses a flame-brush at high temperature to enhance UV light photosensitivity in an optical fiber is described. An extreme low-cost air aspirated propane-butane mini-torch is used, which produces a lower temperature flame than
Aleksander Sade Paterno, Valmir de Oliveira, Hypolito J. Kalinowski   +2 more
doaj   +1 more source

Delayed photosensitivity in a child with erythropoietic protoporphyria : a case report

SAGE Open Medical Case Reports, 2018
Erythropoietic protoporphyria (EPP) is a genetically inherited disease that causes protoporphyrin accumulation in erythrocytes, skin, liver, bile, and stool. Clinically this manifests as photosensitivity with painful, edematous cutaneous porphyria.
James Kiberd, Laura Finlayson
doaj   +1 more source

Silymarin: Friend or Foe of UV Exposed Keratinocytes?

Molecules, 2019
The application of natural plant extracts in UV-protection is popular and intensively studied. Silymarin (from Silibum marianum), a naturally occurring polyphenol, has recently received attention due to its antioxidant, anti-inflammatory and anti ...
Eszter Fidrus, Zoltán Ujhelyi, Pálma Fehér, Csaba Hegedűs, Eszter Anna Janka, György Paragh, Gábos Vasas, Ildikó Bácskay, Éva Remenyik   +8 more
doaj   +1 more source