نتایج جستجو برای: electronmicroscopy
تعداد نتایج: 200 فیلتر نتایج به سال:
The caudatoputamen (CP) and giobus paiiidus (GP) are supplied by vessels often involved with stroke in both rat and human. The pattern of vascular supply to the CP and GP in rat has, in contrast to humans, been only partially described. The vascular pattern to the rat CP and GP is described utilizing vascular endocasts and scanning electronmicroscopy in aging, nonnotensive rats. Endocasts were ...
The relationship between structure and properties has been followed for different nanoscale forms of tungsten disulfide (2H-WS2) namely exfoliatedmonolayer and few-layer nanoplatelets, and nanotubes. The similarities and differences between these nanostructuredmaterials have been examined using a combination of opticalmicroscopy, scanning and high-resolution transmission electronmicroscopy and ...
The article explores the finding that high shear alone applied to normal, native blood results in platelet aggregation. A filter with tortuous capillary-sized channels permits a study of the effect of shearing forces at different pressures. Native, heparinized, citrated and EDTA blood and platelet-rich plasma (PRP) were forced through the filter. Normal and von Willebrand's blood were studied, ...
We have identified and molecularly characterized a human protein with a Mr of 40,880 Da. After UV irradiation of HeLa cells, this protein was cross-linked to poly(A)-containing mRNA and was therefore designated mrnp 41 (for mRNA binding protein of 41 kDa). Cell fractionation and immunoblotting showed mrnp 41 in both the cytoplasm and the nucleus and particularly in the nuclear envelope. Immunof...
Auranofin (SKF-D 39162) is an oral gold preparation for the treatment of rheumatoid arthritis. One of its major side effects is diarrhoea. To determine one possible mechanism for this we compared the effects of auranofin and myochrysine on intestinal water and solute transport in the rat. Jejunal perfusion with 2 mM auranofin (n=5) induced fluid and electrolyte secretion and inhibited glucose a...
Article history: Received 28 September 2015 Revised 2 December 2015 Accepted in revised form 11 December 2015 Available online 12 December 2015 A three-layer backward propagation (BP)modelwas used to predict the hardness of Ni–TiNnanocoatings fabricated by pulse electrodeposition. The effect of plating parameters, namely, TiN particle concentration, current density, pulse frequency, and duty ra...
25 Previously we reported a pronounced reduction in transmission through surviving axons 26 contralateral to chronic hemisection (HX) of adult rat spinal cord. To examine the cellular 27 and molecular mechanisms responsible for this diminished transmission, we recorded 28 intracellularly from lumbar lateral white matter axons in deeply anesthetized adult rats in 29 vivo and measured the propaga...
OBJECTIVE Recent studies have challenged the traditional paradigm that growth hormone receptor (GHR) displays physiological functions only in the cell membrane. It has been demonstrated that GHR localizes to the cell nucleus and still exhibits important physiological roles. The phenomenon of nuclear localization of growth hormone (GH)-induced GHR has previously been described in vitro. However,...
Lignin samples fractionated frommicrowave liquefied switchgrass were applied in the preparation of semirigid polyurethane (PU) foamswithout purification.Theobjective of this studywas to elucidate the influence of lignin in the PUmatrix on themorphological, chemical,mechanical, and thermal properties of the PU foams.The scanning electronmicroscopy (SEM) images revealed that lignin with 5 and 10%...
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