نتایج جستجو برای: blinking

تعداد نتایج: 2535  

2015
Aidi Zhang Chaoqing Dong Liang Li Jinjin Yin Heng Liu Xiangyi Huang Jicun Ren

Semiconductor quantum dots (QDs) are very important optical nanomaterials with a wide range of potential applications. However, blinking behavior of single QD is an intrinsic drawback for some biological and photoelectric applications based on single-particle emission. Herein we present a rational strategy for fabrication of non-blinking (Zn)CuInS/ZnS QDs in organic phase through in situ interf...

Journal: :Chemical communications 2015
Kiyohiko Kawai Atsushi Maruyama

We report that Cy3 undergoes triple helix conformation-specific blinking in DNA. Blinking patterns were affected by the stabilization of the Hoogsteen base-pair, suggesting that not only the presence but also the fluctuating behaviour of the triple helix can be monitored by the changes in the Cy3 blinking patterns.

2016
Haifeng Yuan Elke Debroye Giorgio Caliandro Kris P. F. Janssen Jordi van Loon Christine E. A. Kirschhock Johan A. Martens Johan Hofkens Maarten B. J. Roeffaers

Photoluminescence (PL) of organometal halide perovskite materials reflects the charge dynamics inside of the material and thus contains important information for understanding the electro-optical properties of the material. Interpretation of PL blinking of methylammonium lead iodide (MAPbI3) nanostructures observed on polycrystalline samples remains puzzling owing to their intrinsic disordered ...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2011
Jaime Kaminer Alice S Powers Kyle G Horn Channing Hui Craig Evinger

Although spontaneous blinking is one of the most frequent human movements, little is known about its neural basis. We developed a rat model of spontaneous blinking to identify and better characterize the spontaneous blink generator. We monitored spontaneous blinking for 55 min periods in normal conditions and after the induction of mild dry eye or dopaminergic drug challenges. The normal sponta...

2017
Guy Beauchamp

Blinking serves several functions in animals, but it comes at the cost of intermittent blindness. Blinking can occur spontaneously, but it is commonly associated with head movements. As feeding animals often need to move the head down repeatedly to gather resources, intermittent blindness might represent a hitherto unappreciated cost of feeding. In addition, this cost might also be more prevale...

2007
Elia M. Pestana Ajay Gupta

We report an infant with left eye blinking seizures accompanying a left (ipsilateral) fronto-temporal scalp EEG ictal pattern. The epileptogenic lesion was a left frontal encephalomalacia along the ventriculo-peritoneal shunt tract. The shunt was inserted for treatment of communicating hydrocephalus. This case illustrates the lateralizing value of the ictal blinking. Review of the literature su...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1995
H Miwa N Imamura K Kogahara T Ohori Y Mizuno

Reflex blinking was elicited by the electrical stimulation of peripheral nerves and various parts of the body of seven of 11 patients with Miller Fisher syndrome. This reflex blinking disappeared during recovery. Reflex blinking was elicited in normal subjects only with specific stimulation of the peripheral nerves of their upper extremities. This response may be due to a release phenomenon tra...

Journal: :Contact lens & anterior eye : the journal of the British Contact Lens Association 2014
Genís Cardona Marcelo Gómez Lluïsa Quevedo Joan Gispets

PURPOSE A study was designed to evaluate the efficacy of three different strategies aiming at increasing spontaneous eyeblink rate (SEBR) during computer use. METHODS A total of 12 subjects (5 female) with a mean age of 28.7 years were instructed to read a text presented on a computer display terminal during 15min. Four reading sessions (reference and three "blinking events" [BE]) were progra...

2013
Motoko Kawashima Kazuo Tsubota

BACKGROUND Meibomian gland obstruction induces hyposecretion of tear film lipids, which results in lipid layer deficiency and evaporative dry eye. Unfortunately, the importance of blinking in meibomian gland dysfunction has been largely overlooked, and it is not known whether incomplete blinking causes tear lipid deficiency, even in the unobstructed meibomian glands. CASE PRESENTATION A 38-ye...

Journal: :Clinical Practice and Cases in Emergency Medicine 2018

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