نتایج جستجو برای: trimethyl phosphate
تعداد نتایج: 107562 فیلتر نتایج به سال:
The N-H and C=O bonds of the SO(2)-NH-CO group in the title compound, C(11)H(15)NO(3)S, are anti to each other. The asymmetric unit contains two independent mol-ecules. The benzene rings form dihedral angles of 83.19 (8) and 76.01 (10)° with the mean planes of the C(2)NOS fragments. The mol-ecules are linked into chains parallel to the b axis by inter-molecular N-H⋯O hydrogen bonds.
poly(styrene-co-butyl acrylate)/clay nanocomposites were synthesized via in situ atom transfer radical polymerization using activators generated by electron transfer in the presence of a montmorillonite ion-exchanged with mixed surfactants of dodecyl trimethyl ammonium bromide and vinyl trimethyl ammonium chloride. the living nature of polymerization is confrmed by occurrence of narrow molecula...
Fluorescent molecules are indispensable tools in modern biochemical and biological research, being used as labels for biomolecules, indicators for ions, stains for organelles, and substrates for enzymes. The major targets of this last class are hydrolases that catalyze the removal of a masking moiety, thereby modulating fluorescence. A critical property of fluorogenic hydrolase substrates is th...
The requirements for nuclear targeting of a number of U snRNAs have been studied by analyzing the behavior of in vitro-generated transcripts after microinjection into the cytoplasm of Xenopus oocytes. Like the previously studied U1 snRNA, U2 snRNA is excluded from the nucleus when it does not have the 2,2,7mGpppN cap structure typical of the RNA polymerase II (pol II)-transcribed U snRNAs. Surp...
quaternary ammonium compounds (qacs) are employed both as disinfectants for manual processing lines and surfaces in the food industry, and in human medicine area. qacs also cause cell death by protein denaturation . one of the qac is cetyl trimethyl ammonium bromide (ctab) that appears to rapture the cell membrane. the primary site of action of ctab has been suggested to be the lipid components...
A label-free adenosine sensor with emissive response is designed based on an AP site-containing aptamer/DNA duplex and a small fluorescent molecule 2-amino-5,6,7-trimethyl-1,8-naphthyridine (ATMND).
Identifying proteins that recognize histone methylation is critical for understanding chromatin function. Vermeulen et al. (2010) now describe a cutting-edge strategy to identify and characterize several nuclear proteins and complexes that recognize five major histone trimethyl marks.
The first synthesis of (+/-)-robinlin (1), a novel homo-monoterpene with strong bioactivity in the brine shrimp lethality test, was achieved by starting from 3-isobutyloxy-2,6,6-trimethyl-2-cyclohexen-1-one (2).
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