نتایج جستجو برای: dipeptides
تعداد نتایج: 3021 فیلتر نتایج به سال:
BACKGROUND Two dimeric dipeptides, bis-(N-monosuccinyl-l-seryl-l-lysine)hexamethylenediamide (GSB-106) and bis-(N-monosuccinyl-l-methionyl-l-serine) heptamethylenediamide (GSB-214), were designed based on the brain-derived neurotrophic factor (BDNF) loop 4 and loop 1 β-turn sequences, respectively. Earlier, both of these dipeptides were shown to exhibit neuroprotective activity in vitro (10-5-1...
Morphological transition and the fabrication of unique architectures through molecular self-assembly of dipeptides are caused by the formation of a small nucleus in artificial supersaturation, achieved by quick drying of the solvent due to the local Joule heating. The growth mechanism of "diatom-like" porous microspheres and microtubes is proposed on the basis of several new techniques develope...
A UV light-induced photodimerization of 5-[(imidazol-1-yl)methyl]uracil using glutamate- and aspartate-derived cyclic dipeptides (2,5-diketopiperazines - DKPs) as templates was investigated. Dual salt bridge formation between imidazole side chains and carboxylic acids resulted in the preorganization of the uracil monomers and the preferential formation of the cis-syn photodimer.
ACombined Atomic Force Microscopy and Computational Approach for the Structural Elucidation of Breitfussin A and B: Highly Modified Halogenated Dipeptides from Thuiaria breitfussi** Kine Ø. Hanssen, Bruno Schuler, Antony J. Williams, Taye B. Demissie, Espen Hansen, Jeanette H. Andersen, Johan Svenson, Kirill Blinov, Michal Repisky, Fabian Mohn, Gerhard Meyer, John-Sigurd Svendsen, Kenneth Ruud,...
The effects of carnosine and related compounds on erythrocytes from alcoholics were studied. In their presence, erythrocytes showed an increased ability to resist haemolysis and showed a more normal morphology, with carnosine and N-acetyl-carnosine being the most effective compounds. These beneficial properties of the dipeptides do not appear to be directly related to their antioxidant or buffe...
A multicomponent organocatalyzed highly diastereo- and enantioselective synthesis of CF(3)-substituted aziridines is described. This reaction of in situ generated CF(3)CHN(2) and aldimines was realized by chiral Brønsted acid catalysis. The utility of the products is illustrated by easy access to β-CF(3) isocysteine and aziridine-containing dipeptides.
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