Download Chemical Processes with Participation of Biological and by Lomova, Gennady Zaikov PDF

By Lomova, Gennady Zaikov

The publication is dedicated to kinetics and thermodynamics of the tactics with participation of a few organic compounds and their man made analogues. facets in their appearing as version enzymes, molecular receptors, photograph sensitizers, pharmocophores, and biopharmaceutical compounds are into consideration. Quantitative features of move of cations, anions and small natural molecules, fermentative catalysis, diffusion of the drug molecular via organic membranes are came upon. Mechanisms of the techniques are mentioned. organic job of studied compounds is evaluated. Bio-damages of fabrics in addition to adhesions of microorganisms on fabrics floor are investigated.

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Additional resources for Chemical Processes with Participation of Biological and Related Compounds: Biophysical and Chemical Aspects of Porphyrins, Pigments, Drugs, Biodegradable Polymers and Nanofibers

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The latter compound can be obtained both from bacteriopurpurine 57 and from intermediate oxime 82. The course of the reaction was followed chromatographically and spectrally by the change of position of the long-wave Qy band. In the first three hours, the maximum at 818 nm shifted to 792 nm, which corresponds to the formation of oxime 82, after which it gradually returned to the long-wave region (812 nm). We believe that at this stage oxime interacts with the second molecule of hydroxylamine to form compound 83.

The chlorin series has been well studied, the authors carried out a number of similar transformations in the bacteriochlorin series, which ncluded the oxidation and reduction of the formyl group to the carboxyl and hydroxymethyl groups to form compounds 96 and 97, as well as the Knoevenagel reaction with dicyanomalonic ester, which led to compound 98 (Scheme 27). Studies of N-hydroxycycloimides of bacteriochlorin have shown that the hydroxyl group can be successfully used to produce alkyl-substituted derivatives.

5 µM) (Scheme 30) [56]. 03 µM. Besides, owing to the high fluorescence of 102 in cancer tissue as compared with healthy tissue (the selectivity reaches 8–10), the latter, along with PDT, can be also used for fluorescent diagnostics (FD). A series of new negatively charged water-soluble derivatives of Bchl a was obtained at the Weizmann Institute of Science, Israel. These compounds proved promising for vascular-targeted photodynamic therapy (VPT). The damage of vessels providing for the blood supply of the tumour was found to be the essential factor of its necrosis.

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