نتایج جستجو برای: haliclona simulance
تعداد نتایج: 209 فیلتر نتایج به سال:
Spin transfer torque magnetoresistive random access memory (STT-MRAM) is the leading candidate for spinbased memories. Nevertheless, the high write energy and read disturbance of STT-MRAM motivated researchers to find other solutions. Spin Hall effect (SHE) based MRAM is an alternative for STT-MRAM which also provides non-volatility, zero leakage, and competitive area per bit, but with a lower ...
From the marine sponge Reniera sarai 3-alkylpyridinium oligomers and polymers have been isolated. 3-Alkylpyridinium polymers are potent anticholinesterase agents; in addition, they show hemolytic and cytotoxic activities. Oligomers with a molecular weight lower than 3000 Da do not possess any significant activity. We report structural characterization of 3-alkylpyridinium polymers and their beh...
All images are acquired on a Spectralis device from Heidelberg Engineering. Image courtesy of Dr. (med) Ke-nan Damer, Birmingham Midlands Eye Centre, Sandwell and West Birmingham NHS Trust. Fig. 1. a Shows the macula of a left eye with reduced foveal reflectivity on the infra-red picture, which is due to intra-retinal fluid caused by choroidal neovascularization (CNV) related to wet AMD. In b ,...
OBJECTIVE The Trail making test (TMT) is culture-loaded because of reliance on the Latin alphabet, limiting its application in Eastern populations. The Shape Trail Test (STT) has been developed as a new variant. This study is to examine the applicability of the STT in a senile Chinese population and to evaluate its potential advantages and disadvantages. METHOD A total of 2470 participants we...
Polymeric alkylpyridinium salts (poly-APS) isolated from the marine sponge Reniera sarai act as potent anticholinesterase agents; in addition they show moderate hemolytic and cytotoxic activities. The hemolytic activity of poly-APS is due to their detergent-like structure and behavior in aqueous solutions. In this work, the hemolytic activity of poly-APS is analyzed and compared to that of stru...
The biological diversity of marine habitats is a unique source of chemical compounds with potential use as pharmaceuticals, cosmetics and dietary supplements. However, biological screening and chemical analysis of marine extracts pose specific technical constraints and require adequate sample preparation. Here we report an improved method on Solid Phase Extraction (SPE) to fractionate organic e...
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