Complexation of Arabinogalactan with Copper(II) Ions in Aqueous Solutions
- L. Grishchenko, G. Aleksandrova, S. Medvedeva
- Chemistry
- 1 July 2004
Complexation of Cu(II) with arabinogalactan as influenced by solution pH was studied by spectrophotometry and the method of dialysis equilibrium. Copper ions form complexes with arabinogalactan in a…
Hydrophobic properties of a number of monosubstituted flavone and flavanone derivatives
- N. N. Pogodaeva, S. Medvedeva
- Chemistry
- 2005
The distribution of flavone, 7-,5-,3-,4'-hydroxyflavones, 3-, 4'-methoxyflavones, and 3-hydroxyflavanone in the octanol-water system was studied. The hydrophobicity constants of the flavonoids were…
Redox reactions of arabinogalactan with silver ions and formation of nanocomposites
- L. Grishchenko, S. Medvedeva, B. Trofimov
- Chemistry
- 1 July 2006
Formation of silver nanoparticles in the course of chemical reduction of AgNO3 with arabinogalactan in aqueous alkaline solution was studied by electronic absorption spectroscopy and X-ray…
Nanobiocomposites of noble metals based on arabinogalactan: Preparation and properties
- B. Sukhov, G. Aleksandrova, B. Trofimov
- Materials Science
- 1 September 2007
A simple general method employing arabinogalactan hemicellulose as a reducing and stabilizing agent is used to synthesize hydrophilic nanoparticles of noble metals. The prepared organic-inorganic…
Nanocomposites with Magnetic, Optical, Catalytic, and Biologically Active Properties Based on Arabinogalactan
- B. Trofimov, B. Sukhov, A. L. Semenov
- Physics
- 1 December 2003
Peroxidase-catalysed synthesis of electroconductive polypyrrole
- Yu. N. Kupriyanovich, B. Sukhov, B. Trofimov
- Chemistry
- 2008
Stereoactive lone pair of electrons on bismuth(III): tris(3-hydroxy- 2-methyl-4H-pyran-4-onato)bismuth(III)
- B. Sukhov, S. A. Mukha, B. Trofimov
- Chemistry
- 23 March 2008
Another rare example of stereoactive lone pair of electrons on six-coordinated bismuth(III) – previously unknown tris(3-hydroxy-2-methyl-4H-pyran-4-onato)bismuth(III) has been synthesized and…
Determination of composition and instability constants of maltol complexes with iron(iii) ions
- I. Antipova, S. A. Mukha, S. Medvedeva
- Chemistry
- 1 April 2004
Complexation of maltol (MH) with Fe3+ ions in aqueous solutions was studied. The compositions of [FeMa]2+, [FeMa2]+, and [FeMa3] complexes were determined by the method of isomolar series, and their…
Regioselectivity of ferulic acid polymerization catalyzed by oxidases
- Yu. N. Kupriyanovich, S. Medvedeva, A. V. Rokhin, L. V. Kanitskaya
- ChemistryRussian journal of bioorganic chemistry
- 1 September 2007
Different dynamic conditions of the enzymatic reactions were used to study the effects of conditions on the biosynthesis in vitro of some dehydropolymers: the method of dropwise mixing (endwise polymers) and a single addition (bulk polymers).
Microbiological and Biochemical Investigation of Succession in Lignin-Containing Compost Piles
- I. V. Volchatova, L. Belovezhets, S. Medvedeva
- ChemistryMicrobiology
- 1 July 2002
The investigation of microbiological succession and changes in the enzymatic activity, temperature, pH, and phytotoxicity of lignin during its composting showed that the addition of a starter culture affects degradational succession in the compost pile.
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