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A correlation was found between the ability of dyes (ANS, bis-ANS, Congo red, Evans blue) to form self-associated supramolecular structures in water and their tendency to form complexes with proteins. The self-association ability of dyes was measured as the resistance of a molecular sieve to their penetration. Quantitative evaluation of dye-protein interaction involved measuring the effect of dye...
Investigations of indoor air pollution by different heating systems in private homes are described. Sixteen homes, 7 with coal burning, 1 with open fireplace (wood burning) and 8 with central heating have been investigated. We measured the concentrations of carbon monoxide, carbon dioxide and sedimented dust in indoor air, of total suspended particulates, heavy metals and of polycyclic aromatic...
Disruption of tertiary interaction makes a protein accessible to penetration by different small molecular compounds. Their interaction may stabilize the altered protein conformation. Congo red is proposed here as a stabilizer of the molten globule state and also of highly reversible intermediates in the transition from native to molten state. Human immunoglobulin λ light chain (dimer) was used...
Molecular dynamics simulation (300, 320, 340 K) performed on the Fab (Kol) fragment of immunoglobulin G revealed that the structural changes associated with relaxation of peptides after their release from the stabilized by the tertiary interaction native conformation may be considered characteristic of the transition from native to molten state. The configuration of peptide chains at temperatures...
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