نتایج جستجو برای: isomer
تعداد نتایج: 6712 فیلتر نتایج به سال:
It has been reported that coenzyme Q10 (CoQ10) functions as an electron transfer carrier in mitochondria, and can produce an improvement in heart diseases such as congestive heart failure. Its (2Z)-isomer contains a cis-double bond at the 2-position of the decaprenyl side chain. As the original organic industrial synthesis of CoQ10 resulted in a product that contained a small amount of this iso...
6 ABSTRACT: The S2 redox intermediate of the oxygen-evolving 7 complex in photosystem II is present as two spin isomers. The S = 8 1/2 isomer gives rise to a multiline electron paramagnetic resonance 9 (EPR) signal at g = 2.0, whereas the S = 5/2 isomer exhibits a broad 10 EPR signal at g = 4.1. The electronic structures of these isomers are 11 known, but their role in the catalytic cycle of wa...
Methadone is a long-acting opioid used in the treatment of various pain states and substitution therapy in heroin addiction. Extensive behavioral characterization has been carried out using the racemate, but limited investigation has been performed with the individual isomers. The L-isomer is a potent opioid agonist, whereas the D-isomer has weak µ-opioid activity and has also been shown to pos...
The S2 redox intermediate of the oxygen-evolving complex in photosystem II is present as two spin isomers. The S = 1/2 isomer gives rise to a multiline electron paramagnetic resonance (EPR) signal at g = 2.0, whereas the S = 5/2 isomer exhibits a broad EPR signal at g = 4.1. The electronic structures of these isomers are known, but their role in the catalytic cycle of water oxidation remains un...
We previously reported that the all-cis isomer of arachidonic acid, the most naturally occurring isoform of this fatty acid, reduced cuprous copper ion-induced conversion of xanthine dehydrogenase into its reactive oxygen species generating form, xanthine oxidase. In the present study, the effects of all-trans isomer of arachidonic acid, in comparison with cis isomer of arachidonic acid, on the...
Background: Naturally extracted trans-(−)-kusunokinin from P. nigrum showed anticancer activities via binding and inhibition of CSF1R. However, the synthetic racemic mixtures trans-(−)- trans-(+)-kusunokinin (trans-(±)-kusunokinin) exhibited different effects on breast cancer cell lines. It was hypothesized that trans-(±)-kusunokinin bind to additional molecules, including AKR1B1. Previously, w...
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