نتایج جستجو برای: however

تعداد نتایج: 1635224  

Journal: :The Journal of Cell Biology 1988
W Tao R J Walter M W Berns

To study the possible mechanism of microtubule turnover in interphase cells, we have used the 266-nm wavelength of a short-pulsed Nd/YAG laser to transect microtubules in situ in PtK2 cells at predefined regions. The regrowth and shrinkage of the transected microtubules have been examined by staining the treated cells with antitubulin mAb at various time points after laser irradiation. The resu...

2017
Zeyu Wang

 Abstract-In this paper, we develop semidefinite programming (SDP) models aimed at solving optimal power flow (OPF) problems in distribution systems. We propose two models: the symmetrical SDP model which modifies the existing BFM-SDP model. Then based on the symmetrical SDP model, we develop a voltage regulation model that solves OPF problems with binding voltage constraints. To evaluate the ...

2016
U. Deniz Dincer

Endothelium represents a defense barrier and responds and integrates neuro humoral stimulus which describes as a compensatory mechanism. Endothelium formed with endothelial cells (ECs) and their progenitors. Endothelial progenitor cells (EPCs) represent minor subpopulation of mononuclear cells in the blood. During acute hypoxia, larger amount of EPCs mobilize into the peripheral blood and they ...

2015
Harald Brüssow

Even though we still do not know the ultimate number of bacterial species in the world, our understanding of bacteria populating the human body has increased enormously with the Human Microbiome Project. Act One (the Exposition in classical theatre) of this international effort – in describing what is colonizing our bodies – is now coming if not to an end, then to a saturation phase. Scientists...

2012
Yannick N. Gerber Jean-Charles Sabourin Jean-Philippe Hugnot Florence E. Perrin

BACKGROUND Amyotrophic lateral sclerosis (ALS) is characterized by a gradual muscular paralysis resulting from progressive motoneurons death. ALS etiology remains unknown although it has been demonstrated to be a multifactorial disease involving several cellular partners. There is currently no effective treatment. Even if the effect of exercise is under investigation for many years, whether phy...

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