نتایج جستجو برای: basal layer bl

تعداد نتایج: 381596  

Journal: :Journal of Applied Physics 2023

We propose and analyze the performance of terahertz (THz) room-temperature bolometric detectors based on graphene channel field-effect transistors (GC-FET). These comprise gate barrier layer (BL) composed lateral hexagonal-boron nitride black-phosphorus/hexagonal-boron (h-BN/b-P/h-BN) structure. The main part GC is encapsulated in h-BN, whereas a short section sandwiched between b-P BL h-BN bot...

1998
L Maraschi

The IUE contribution to the understanding of the blazar phenomenon has been of fundamental importance. Here I review the progress obtained with the latest multifrequency campaigns performed with IUE on two prototype objects, the BL Lac PKS 2155-304 and the highly polarized, superluminal quasar 3C 279.

Journal: :IEEE Trans. Circuits Syst. Video Techn. 2003
Amy R. Reibman Léon Bottou Andrea Basso

Traditional scalable video encoders sacrifice coding efficiency to reduce error propagation because they have avoided using enhancement-layer (EL) information to predict the base layer (BL) to prevent the error propagation termed “drift”. Drift can produce very poor video quality if left unchecked. In this paper, we propose a video coder with significantly better compression efficiency because ...

Journal: :The Journal of Cell Biology 1979
J R Sanes Z W Hall

Basal lamina (BL) ensheathes each skeletal muscle fiber and passes through the synaptic cleft at the neuromuscular junction. Synaptic portions of the BL are known to play important roles in the formation, function, and maintenance of the neuromuscular junction. Here we demonstrate molecular differences between synaptic and extrasynaptic BL. We obtained antisera to immunogens that might be deriv...

Journal: :The Journal of Cell Biology 1978
J R Sanes L M Marshall U J McMahan

Axons regenerate to reinnervate denervated skeletal muscle fibers precisely at original synaptic sites, and they differentiate into nerve terminals where they contact muscle fibers. The aim of this study was to determine the location of factors that influence the growth and differentiation of the regenerating axons. We damaged and denervated frog muscles, causing myofibers and nerve terminals t...

2005
Stefano Serafin Dino Zardi

A widely used bulk model of the atmospheric boundary layer (BL) was proposed by Troen and Mahrt (1986) (hereinafter TM). The TM parameterization scheme was conceived for use in models where only a coarse resolution in the BL can be achieved (e.g. climate models and weather prediction models up to the mesoscale). Nevertheless, this parameterization scheme is still widely adopted in high resoluti...

2014
Rob J. Van Geest Jan Willem Leeuwis Amélie Dendooven Frederick Pfister Klazien Bosch Kees A. Hoeben Ilse M.C. Vogels Dionne M. Van der Giezen Nadine Dietrich Hans-Peter Hammes Roel Goldschmeding Ingeborg Klaassen Cornelis J.F. Van Noorden Reinier O. Schlingemann

Early retinal vascular changes in the development of diabetic retinopathy (DR) include capillary basal lamina (BL) thickening, pericyte loss and the development of acellular capillaries. Expression of the CCN (connective tissue growth factor/cysteine-rich 61/nephroblastoma overexpressed) family member CCN2 or connective tissue growth factor (CTGF), a potent inducer of the expression of BL compo...

Journal: :The Journal of Cell Biology 1986
M Nicolet M Pinçon-Raymond F Rieger

After denervation in vivo, the frog cutaneus pectoris muscle can be led to degenerate by sectioning the muscle fibers on both sides of the region rich in motor endplate, leaving, 2 wk later, a muscle bridge containing the basal lamina (BL) sheaths of the muscle fibers (28). This preparation still contains various tissue remnants and some acetylcholine receptor-containing membranes. A further mi...

Journal: :Investigative ophthalmology & visual science 2015
Jennifer P Craig Yen-Heng Chen Philip R K Turnbull

PURPOSE To evaluate the effect of intense pulsed light (IPL) applied to the periocular area for meibomian gland dysfunction (MGD) in a prospective, double-masked, placebo-controlled, paired-eye study. METHODS Twenty-eight participants underwent IPL treatment, with homogeneously sequenced light pulses delivered to one eye and placebo treatment to the partner control eye at 1, 15, and 45 days f...

2005
RUDOLF VRACKO

To evaluate the variations of capillary ealibers and those of basal lamina (BL), pericytes, endothelium, and lumen within a sample of skeletal muscle and among samples from different anatomic sites, areas occupied by total capillary cross sections, by the lumen, endothelium, pericytes, and BL were measured on electron micrographs. Twenty capillary cross sections from each of the 41 specimens of...

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