Tài liệu Báo cáo khóa học: Determination by electrospray mass spectrometry and 1H-NMR spectroscopy of primary structures of variously fucosylated neutral oligosaccharides based on the iso-lacto-N-octaose core doc

... produced by cone voltage fragmentation [14]. The fragment ions of m/z 729 and m/z 544 are both from the monofucosylated D 2b-5 ion m/z 1037 and not from the difucosylated D 2b-5 ion m/z 1183. Thus the ... that are based on the iso-lacto-N-octaose core. Their structures were characterized by the combined use of electrospray mass spectrometry (ES-MS) and...

Ngày tải lên: 19/02/2014, 12:20

... exposure, and their induction is also gated by the circadian clock, with the extent of transcript accumulation upon cold exposure depending on the time of day of the exposure [51]. Cold induction of ... precarious position of, on the one hand, requiring sunlight that contains UV radiation to undergo photo- synthesis and, on the other hand, of having to ensure...

Ngày tải lên: 18/02/2014, 11:20

... to the choice of ref- erents for pronouns and definite descriptions, and relations implied by compound nouns and ellip- sis. They are also neutral with respect to other ambiguities corresponding ... Restriction). a_form(Category, Pred Var , Restriction). These QLF constructs contain syntactic and morphological information in the Category and logical (truth-conditio...

Ngày tải lên: 20/02/2014, 21:20

... referential function of the constructions in question. An account of syntactic ambiguity resolution has been alluded to which is based on a notion of referential context and discourse models. ... depending on the referential nature of the context (i.e. depending on whether just one "oil tycoon" or more than one "oil tycoon" had been introduced...

Ngày tải lên: 22/02/2014, 09:20

... In addition, we and others have demonstrated that the activation and plasma membrane localization of the fusion construct are dependent on phosphatidylinositol 3-kinase signal- ing, and that ... low and often undetectable in immunoblot analysis. The activation of CD4 + cells, however, dramatically induces transcription of the ITK gene and is key for the productive...

Ngày tải lên: 14/02/2014, 18:20

... production of anti-ENOA IgG is correlated with the ability of T cells to be activated in response to the protein [29], thus confirming the induction of a T and B cell integrated antitumor activation ... residues are common to leukemia, pancreatic cancer and normal pancreas, and one of them is the only acetylated residue in cervix tumor. Three acetyla- tions are common to...

Ngày tải lên: 14/02/2014, 19:20

... stoichiometric, i.e. 1 mol of heme was taken up by 1 mol of NirF (concentrations of heme and protein were calculated by using the extinction coefficient mentioned in the experimental section and the standard Bradford ... part in both structural and functional roles of NirF. Discussion On the basis of several criteria, including cell fraction- ation and the con...

Ngày tải lên: 15/02/2014, 01:20

... was reached. We and others [10] observed a puzzling rever- sal of inhibition, and occasionally complete abolition of the original inhibition, as a result of increasing the concentration of modifiers by orders ... combinations of concentrations. In the case of the sulfated polysaccharides, the effector molecules are constituents of the same sample, and their ef...

Ngày tải lên: 16/02/2014, 14:20

... linked. In view of obtaining further insight into the struc- ture of the fusion proteins, we estimated the content of a-helices, b-strands, b-turns and unordered regions by the cdsstr deconvolution method ... the properties of covalently linked globular domains (in this case on the tumbling of the rigid part), with the extent of the perturbation being propo...

Ngày tải lên: 18/02/2014, 04:20

... neces- sary for the expression of certain nonclassical heat shock genes. Thus, the heat shock response regulated by the HSF family should consist of the induction of classical as well as of nonclassical ... well conserved. The DBD domain of HSF family members is conserved with one region in hHSFY1, hHSFX1 and hHSF5 that may not bind to the HSE. M. Fujimoto and A. N...

Ngày tải lên: 18/02/2014, 04:20