14 Result(s)

Article

Reductive Catalytic Fractionation of Lignocellulosic Biomass: A New Promissing Method for Its Complex Processing

This review focused to the discussion of the results from recent research in a promising area of the complex processing of lignocellulosic biomass: reductive catalytic fractionation (RCF). The effect catalysts...

A. V. Miroshnikova, A. S. Kazachenko, B. N. Kuznetsov, O. P. Taran in Catalysis in Industry (2022)

Article

Hemocompatibility of Galactomannan and Galactoglucomannan Sulfates in In Vitro Experiments

We identified compounds that do not independently provoke aggregation of human platelets and do not affect hemolysis of human erythrocytes in vitro: lacking anticoagulant activity sulfated galactoglucomannan (pol...

N. N. Drozd, S. A. Kuznetsova, Yu. N. Malyar… in Bulletin of Experimental Biology and Medic… (2022)

Article

Sulfation of ethanol lignin of abies wood by sulfamic acid in N,N-dimethylformamide medium

The sulfation of ethanol lignin of abies wood by sulfamic acid–urea mixture in N,N-dimethylformamide (DMF) medium was studied for the first time. The effect of the duration of lignin sulfation process on the y...

V. А. Levdansky, N. Yu. Vasilyeva, Yu. N. Malyar… in Biomass Conversion and Biorefinery (2022)

Article

Sulfation of Abies Ethanol Lignin by Complexes of Sulfur Trioxide with 1,4-Dioxane and Pyridine

An optimization of sulfation of abies ethanol lignin by complexes of sulfuric anhydride with pyridine and 1,4-dioxane has been performed. Conditions for the implementation of the sulfation of abies ethanol lig...

Yu. N. Malyar, N. Yu. Vasil’yeva… in Russian Journal of Bioorganic Chemistry (2021)

Article

Reductive Fractionation of Larch Wood in Supercritical Ethanol in the Presence of a Bifunctional Ru/C Catalyst and Hydrogen Donors

Lignin is a large-scale waste product of hydrolysis and the pulp-and-paper industries. The problem of lignin utilization is addressed by develo** techniques for the comprehensive processing of wood biomass t...

O. P. Taran, V. I. Sharypov, S. V. Baryshnikov, N. G. Beregovtsova… in Catalysis in Industry (2020)

Article

Synthesis and Properties of Interpolymer Complexes Based on Chitosan and Sulfated Arabinogalactan

Interpolymer complexes based on chitosan and arabinogalactan with a different degree of sulfation (7.7–40.8%) stable for 30 days are synthesized. The resulting complexes are characterized by scanning electron ...

N. V. Slyusarenko, N. Yu. Vasilyeva, A. S. Kazachenko… in Polymer Science, Series B (2020)

Article

Optimization of the process of abies ethanol lignin sulfation by sulfamic acid–urea mixture in 1,4-dioxane medium

The new process of abies ethanol lignin sulfation by a low-toxic mixture of sulfamic acid and urea in 1,4-dioxane medium was optimized, and the structure of sulfated ethanol lignin was studied. The process of ...

B. N. Kuznetsov, N. Yu. Vasilyeva, A. S. Kazachenko… in Wood Science and Technology (2020)

Article

Synthesis and Study of Copper-Containing Polymers Based on Sulfated Arabinogalactan

Synthesis of water-soluble copper-containing sulfates of arabinogalactan was carried out for the first time by the ion exchange method. Their composition and structure were studied by the methods of elemental ...

B. N. Kuznetsov, N. Yu. Vasilyeva… in Russian Journal of Bioorganic Chemistry (2017)

Article

The Raman Spectroscopy, XRD, SEM, and AFM Study of Arabinogalactan Sulfates Obtained Using Sulfamic Acid

The structure of sodium salts of arabinogalactan (AG) sulfates obtained by sulfating AG of larch wood with a sulfamic acid–urea mixture in 1,4-dioxane was studied by the methods of Raman spectroscopy, X-ray di...

B. N. Kuznetsov, N. Yu. Vasilyeva… in Russian Journal of Bioorganic Chemistry (2017)

Article

Sulfation of arabinogalactan by sulfamic acid in dioxane

The sulfation of arabinogalactan (AG) by sulfamic acid in the presence of urea in dioxane has been studied. The degree of AG sulfation increases as the sulfation temperature increases from 70 to 95°C. As indic...

N. Yu. Vasil’eva, A. V. Levdansky… in Russian Journal of Bioorganic Chemistry (2015)

Article

Synthesis and Antimicrobial Activity of Silver Complexes with Arginine and Glutamic Acid

A. V. Legler, A. S. Kazachenko, V. I. Kazbanov… in Pharmaceutical Chemistry Journal (2001)

Article

Synthesis and antimicrobial activity of silver complexes with histidine and tryptophan

A. S. Kazachenko, A. V. Legler, O. V. Per'yanova… in Pharmaceutical Chemistry Journal (2000)

Article

Synthesis and antimicrobial activity of gold complexes with glycine, histidine, and tryptophan

A. S. Kazachenko, E. V. Legler, O. V. Per'yanova… in Pharmaceutical Chemistry Journal (1999)