Results 171 to 180 of about 142,813 (213)
Hemagglutinin Stalk-Reactive Antibodies Interfere with Influenza Virus Neuraminidase Activity by Steric Hindrance. [PDF]
J Virol, 2019 Chen YQ +4 more
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Rare Earth 2‐Methyl‐3‐furoate Complexes: Effect of Steric Hindrance on Corrosion Inhibitor Properties [PDF]
Vidushi P. Vithana +3 more
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neoPentyl Alcohol and Steric Hindrance [PDF]
Nature, 1947 Ina note under this title, Gerrard and Nechvatal1 have reported the conversion of neopentyl alcohol, (CH3)3C.CH2.OH (here written ROH), by thionyl and phosphorus halides into the esters RO.SOCl and RO.PCl2, inter alia. They remark that Whitmore and Rothrock2 demonstrated the resistance of neopentyl alcohol to the replacement of its hydroxyl group by ...
Christopher K. Ingold +2 more
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Steric hindrance in immunolabelling
Journal of Microscopy, 1986SUMMARYIn this paper we describe immunocytochemical detection of PhoE pore protein in the outer membrane of E. coli K‐12 cells in dependence of a variety of labelling approaches.Immuno‐gold labelling on ultrathin cryosections showed a uniform, dense labelling of the outer membrane of all cells.
J. Leunissen-Bijvelt +3 more
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Inhibition of Nitrosation by Steric Hindrance [PDF]
Journal of Agricultural and Food Chemistry, 1997 The nitrosation of piperidine, 2-methylpiperidine, 4-methylpiperidine, 2,6-dimethylpiperidine, and 2-ethylpiperidine in acid medium was studied. Kinetic monitoring of the reactions was accomplished by spectrophotometric analysis of the nitrosamine formed at λ = 249 nm.
and M. Pilar García-Santos +3 more
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Calculation of Steric Hindrance
Nature, 1942IT seems possible to account for the steric effect of non-reacting groups on substitution rates on the lines of the following scheme, illustrated here by the example of the symmetrical substitution of t-butyl chloride by chlorine ions: In the transition state, the four t-butyl carbons will be co-planar and the methyl groups will cause least obstruction
A. G. Evans, Michael Polanyi
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Steric hindrance of acetophosphides
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 19681. The introduction of a bulky substituent at the carbonyl group in acetophosphides invokes steric hindrance to the existence of the cis isomer. 2. The low-frequency peak νCO in the IR spectra of acetophosphides is due to the trans isomer.
I. I. Chervin +3 more
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STERIC HINDRANCE AND HEATS OF FORMATION [PDF]
Nature, 1943 IN the low-temperature polymerization of isobutene by boron fluoride, BF3, the heat of polymerization, which has been found to be in the neighbourhood of 10 kcal. per mole, is lower than would be expected on the basis of theoretical calculations1. Both chemical1 and X-ray2 evidence support the head-to-tail chain-structure:
Michael Polanyi, A. G. Evans
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Inhibition of Amyloid Nucleation by Steric Hindrance
The Journal of Physical Chemistry B, 2022Despite recent experiments and simulations suggesting that small-molecule inhibitors and some post-translational modifications (e.g., glycosylation and ubiquitination) can suppress the pathogenic aggregation of proteins due to steric hindrance, the effect of steric hindrance on amyloid formation has not been systematically studied. Based on Monte Carlo
Kai Wu +4 more
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