نتایج جستجو برای: compound 11b
تعداد نتایج: 129843 فیلتر نتایج به سال:
Starting from 1,1'-diacetylferrocene the ortho-amino,α-dimethylamino[3]ferrocenophane system 3 was prepared. This was converted to the o-imino,α-Cp-derivative 6. Subsequent treatment with e.g. an excess of methyllithium followed by ZrCl(2)(NMe(2))(2)(thf)(2) and Me(2)SiCl(2) eventually gave the [3]ferrocenophane based Cp-amido zirconium complex 11b. In a similar way the [3]ferrocenophane derive...
The αβ-tubulin subunits of microtubules can undergo a variety of evolutionarily-conserved post-translational modifications (PTMs) that provide functional specialization to subsets of cellular microtubules. Acetylation of α-tubulin residue Lysine-40 (K40) has been correlated with increased microtubule stability, intracellular transport, and ciliary assembly, yet a mechanistic understanding of ho...
Light element synthesis in supernovae through neutrino-nucleus interactions, i.e., the v process, is affected by neutrino oscillations in the supernova environment. There is a resonance of 13-mixing in the O/C layer, which increases the rates of charged-current -process reactions in the outer He-rich layer. The yields of 7Li and 11B increase by about a factor of 1.9 and 1.3, respectively, for a...
A series of mononuclear boron halides of the type LBX(2) [LH = N-phenyl-3,5-di-tert-butylsalicylaldimine, X = Cl (2), Br (3)] and LBX [LH2 = N-(2-hydroxyphenyl)-3,5-di-tert-butylsalicylaldimine, X = Cl (7), Br (8); LH2 = N-(2-hydroxyethyl)-3,5-di-tert-butylsalicylaldimine, X = Cl (9), Br (10); and LH2 = N-(3-hydroxypropyl)-3,5-di-tert-butylsalicylaldimine, X = Cl (11), Br (12)] were synthesized...
Superconducting wires are widely used for fabricating magnetic coils in fusion reactors. Superconducting magnet system represents a key determinant of the thermal efficiency and the construction/operating costs of such a reactor. In consideration of the stability of 11B against fast neutron irradiation and its lower induced radioactivation properties, MgB2 superconductor with 11B serving as the...
Structural and functional characteristics of Fc receptors for IgG (Fcy) on human neutrophilswere examined with two monoclonal antibody probes specific for the FCV receptors, Leu 11b and 3G8. To determine the distribution, density, and membrane mobility of the Fcy receptor, we used immunogold staining techniques, flow cytometry analysis, and fluorescence microscopy.Both 3G8 and Leu 11b inhibited...
A monoclonal antibody, 6-11B-1, specific for acetylated alpha-tubulin (Piperno, G., and M. T. Fuller, 1985, J. Cell Biol., 101:2085-2094) was used to study the distribution of this molecule in interphase cells of Chlamydomonas reinhardtii. Double-label immunofluorescence was performed using 6-11B-1, and 3A5, an antibody specific for all alpha-tubulin isoforms. It was found that acetylated alpha...
2,6-Bis(1,4,7,10-tetraazacyclododecan-1-ylmethyl)pyridine (11a) and 1,3-bis(1,4,7,10-tetraazacyclododecan-1-ylmethyl)benzene (11b) have been shown to accelerate at 50 mmol·L-1 concentration both the cleavage and mutual isomerization of uridylyl-3',5'-uridine and uridylyl-2',5'-uridine by up to two orders of magnitude. The catalytically active ionic forms are the tri- (in the case of 11b) tetra-...
We have confirmed the existence of the transiting super Neptune extrasolar planet HAT-P-11b. On May 1, 2009 UT the transit of Hat-P-11b was detected at the University of Arizona’s 1.55m Kuiper Telescope with 1.7 millimag rms accuracy. We find a central transit time of Tc = 2454952.92534± 0.00060 BJD; this transit occurred 80 ± 73 seconds sooner than previous measurements (71 orbits in the past)...
We have confirmed the existence of the transiting super Neptune extrasolar planet HAT-P-11b. On May 1, 2009 UT the transit of HAT-P-11b was detected at the University of Arizona’s 1.55m Kuiper Telescope with 1.7 millimag rms accuracy. We find a central transit time of Tc = 2454952.92534± 0.00060 BJD; this transit occurred 80 ± 73 seconds sooner than previous measurements (71 orbits in the past)...
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