نتایج جستجو برای: total polar compounds
تعداد نتایج: 1047019 فیلتر نتایج به سال:
A set of 42 chiral compounds containing stereogenic sulfur was prepared. There were 31 chiral sulfoxide compounds, three tosylated sulfilimines and eight sulfinate esters. The separations were done using five different macrocyclic glycopeptide chiral stationary phases (CSPs), namely ristocetin A, teicoplanin, teicoplanin aglycone (TAG), vancomycin and vancomycin aglycone (VAG) and seven eluents...
Polar organic compounds, including DMSO, increase RNA synthesis on isolated chromatin by E. coli RNA polymerase and RNA polymerase II from calf thymus. Transcription is stimulated on chromatin from Friend-virus-infected erythroleukemia cells and from various other sources. Using procedures which inhibit specifically the formation of a stable initiation complex, it is shown that the stimulation ...
Seventy-seven potential analogs of phospholipid polar heads, choline and ethanolamine, were evaluated in vitro as inhibitors of Plasmodium falciparum growth. Their IC50 ranged from 10(-3) to 10(-7) mol/L. Ten compounds showed similar antimalarial activity when tested against three different parasite strains (2 chloroquine-sensitive strains and 1 chloroquine-resistant strain). Compounds showing ...
The concerns about disease-causing bacteria that can live on skin, reside on food, and invade the body are ever increasing. The common and immediate reaction to these ’germs’ is to increase the dose of antibiotics and other drugs. However, as more cases of multidrug-resistant bacteria are occurring, the search for new compounds that can target these pathogens becomes more urgent. One place thes...
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