نتایج جستجو برای: compound enhancement
تعداد نتایج: 253678 فیلتر نتایج به سال:
Following acquisition of conditioned suppression of barpresses to a visual conditiondd stimulus (CS), rats were subjected to a particular variety of differentiation training procedures. An auditory conditioned inhibitor (CI), which preceded and accompanied the CS on some trials, signaled that inescapable shock will not be given on that trial. When the CI acquired the capacity to attenuate marke...
The interaction of gold with CeO2(111) layer was investigated with photeelectron spectroscopy (PES) and by means of resonant photoelectron spectroscopy (RPES). Gold was deposited in steps onto a 1.5 nm thick CeO2(111) layer, epitaxially grown on a Cu(111) substrate. The RPES showed a partial Ce → Ce reduction, observed as a resonant enhancement of the 4f level of the Ce species. This can be exp...
UNLABELLED Nicotine acethylcholine receptors (nAChRs) play critical roles in cognitive processes, neuroprotection and inflammation. RESULTS According to their substituents, 1,3-diphenylpropan-1-one derivatives act as α7 nAChRs negative allosteric modulators (NAM, OMe) or Type I positive allosteric modulators (PAMs, OH). Compounds 7 and 31 were the most effective (989 and 666% enhancement of A...
The exposure of the heme moiety of cytochrome c to various solvents was investigated by the technique of solvent perturbation. The heme hexadecapeptide in a chymotryptic digest of the protein was used as a model compound for the fully exposed chromophore. While the Soret absorption of both ferriand ferrocytochrome c was enhanced in 20% ethylene glycol, the extent of enhancement, AC/E, was subst...
The request for new flavourings increases every year. Consumer perception that everything natural is better is causing an increase demand for natural aroma additives. Biotechnology has become a way to get natural products. γ-Decalactone is a peach-like aroma widely used in dairy products, beverages and others food industries. In more recent years, more and more studies and industrial processes ...
An alternating copolymer of styrene and maleic acid (alt-PSMA) differs from other polyanionic antiviral agents in that the negative charges of alt-PSMA are provided by carboxylic acid groups instead of sulfate or sulfonate moieties. We hypothesized that alt-PSMA would have activity against human immunodeficiency virus type 1 (HIV-1) comparable to other polyanions, such as the related compound, ...
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