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Promoter interaction

Although the preparation of diarsenes, the arsenic analogues of a2o compounds, was first claimed during the nineteenth century, it was not until 1983 that such a compound was unequivocally characterized (106). It was obtained in good yield by the base-promoted interaction of a primary arsine and a dichloroarsine, both of which were stericaHy hindered ... [Pg.337]

In presence of polyamines the maximum of light absorption of indicated triphenylmethane dyes displaces on 10-30 nm, for azo dyes the shift of the band reaches 50-80 nm. The greatest difference of light absorption of associates and reagents is watched for BKM at pH 5,05, for BPR at pH 4,20, for CPR in an interval pH 5,05-5,45. At these pH dyes are anions, it promotes interaction with a cationic surface-active substance. The ratios between polymer and BKM, BPR, CPR are established by spectroscopy method, its equal 1 20, 1 20 and 1 30 accordingly. [Pg.109]

Several books have recently been published on the subject of CVD, each dealing with a specific aspect of the technology, such as CVD for microelectronics or metallo-organic CVD. With many of his colleagues, the author has felt the need for a general, systematic, objective, and balanced review solely devoted to CVD, which would cover all its scientific, engineering, and applications aspects, coordinate the divergent trends found today in the CVD business, promote interaction and sharpen the focus of research and development. [Pg.4]

In this instance, adamantane was present to promote interaction of peptides through its hydrophobicity, but its attachment did not hinder fibril formation. It might be possible to chemically or biologically derivatise this group before being introduced to the peptide, or to select another hydrophobic component that could be suitably modified and attached to the peptide. This research also highlights the feasibility of creating peptide arrays comprised of several different sequences. [Pg.51]

All of the areas of research discussed in this chapter will require interdisciplinary collaborations among chemists, engineers, biologists, physicists, and materials scientists. This critical area of national need should be the catalyst for breaking down disciplinary barriers and promoting interaction among scientific and engineering communities. [Pg.178]

I note that the conference will promote interaction of scientists, researchers and experts of various fields and provides an excellent platform to students of various discipline to interact with scientists of various institutions and industries of India in chemistry. [Pg.8]

Sukupolvi, S., Lorenz, R. G., Gordon, J. I., Bian, Z., Pfeifer, J. D., Normark, S. J., and Rhen, M. (1997). Expression of thin aggregative fimbriae promotes interaction of Salmonella typhi-murium SR-11 with mouse small intestinal epithelial cells. Infect. Immun. 65,5320-5325. [Pg.158]

Figure 4 in Scheme 2.3-2 reveals that with comparable and Pt-intermediary complexes, differences in local symmetries may result. In addition, Ni promotes interactions with a primary carbon atom of the a-allyl group whereas Pt interacts with the substituted carbon atom of this group. [Pg.61]

SCIL sorbents are a rapidly emerging alternative in LC that are poised to address the critical need for novel and more universal separation strategies. These novel sorbent materials present unique potential separation capabilities applicable to a broad range of compounds (e.g., polar organics and biomolecules/biopolymers). Specific feafures of fhese sorbents which allow for this unique separation capability include the presence of a fuzzy ion with a delocalized charge which can promote interactions with neutral aromatic species, a scaffold for introducing additional functionality, and ion-exchange capability with potentially tunable hydrophobicity. [Pg.178]

At least three types of proteins regulate transcription initiation by RNA polymerase specificity factors alter the specificity of RNA polymerase for a given promoter or set of promoters repressors impede access of RNA polymerase to the promoter and activators enhance the RNA polymerase-promoter interaction. [Pg.1083]

Where chromatin is being activated for transcription, the nucleosomal histones are further acetylated by nuclear (type A) HATs. The acetylation of multiple Lys residues in the amino-terminal domains of histones H3 and H4 can reduce the affinity of the entire nucleosome for DNA. Acetylation may also prevent or promote interactions with other proteins involved in transcription or its regulation. When transcription of a gene is no... [Pg.1103]

This alteration of the RNA polymerase by ppGpp affects the ability of RNA polymerase to interact with promoters in a differential way. For the promoters of the rRNA operons, the polymerase-promoter interaction is strongly inhibited by ppGpp. For some other promoters the effect of ppGpp is actually stimulating. As first observed in the cell-... [Pg.782]

Pr Ilian Aksay thus presented the Princeton materials Institute Princeton does not have a materials-science department and in some sense it can be said not to have any materials scientists, either. At least, not in the conventional sense of scientists who have earned degrees in materials science. Princeton never seriously considered starting a department of materials science, preferring instead to promote interaction of scientists in existing departments. PMI is a hybrid between a department and a center (Princeton, Alumni Weekly, January 28, 1998, 13). [Pg.270]

MT interact with a large number of other proteins that modulate the MT dynamic stability or that act as active motor proteins. Microtubule-associated proteins (MAPs) stabilize MT by binding to polymers and promoting interactions with other cellular components [7], Other proteins, like those of the stathmin family, destabilize MT [8] either by preventing assembly or by promoting disassembly of MT. [Pg.91]

Other NSOM studies have revealed evidence for structural features that promote interaction between different membrane proteins. By exploiting the high spatial resolution of NSOM, Ianoul and co-workers have performed... [Pg.126]

Therefore, it is inferred that near the maximum surface coverage, under reducing conditions, the surface vanadium oxide species compensate for the oxygen removal by sharing oxide ions. Any effect that promotes interactions among surface vanadia species must lead to the formation of crystalline V205. [Pg.84]

Tire tread rubber formulations were prepared by Parker [4] and consisted of poly(styrene-co-butadiene) rubber terminated with iV-isopropylphenylnitrone, (III), to promote interaction between the polymer end-groups and carbon black and silica fillers to reduce hysteresis. [Pg.477]


See other pages where Promoter interaction is mentioned: [Pg.490]    [Pg.47]    [Pg.802]    [Pg.24]    [Pg.77]    [Pg.46]    [Pg.220]    [Pg.191]    [Pg.2]    [Pg.328]    [Pg.521]    [Pg.104]    [Pg.217]    [Pg.10]    [Pg.168]    [Pg.398]    [Pg.14]    [Pg.1031]    [Pg.1083]    [Pg.903]    [Pg.16]    [Pg.213]    [Pg.188]    [Pg.4]    [Pg.128]    [Pg.80]    [Pg.38]    [Pg.170]    [Pg.8]    [Pg.533]    [Pg.297]    [Pg.259]    [Pg.2282]    [Pg.169]   


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