Vol. 76, No. 1, 2021

Moscow University Chemistry Bulletin

Photochemistry of Oxirane-Derived Radical Cations in Freonic Matrices at 77 K

M. Ya. Melnikov, I. D. Sorokin, O. I. Gromov, V. I. Pergushov and D. A. Pomogailo p. 1 abstract

Photoprotolytic Reactions in Systems Immobilized on Silica Gel Using a Cationic Polyelectrolyte

A. O. Naumova, A. S. Mugabutaeva, P. V. Melnikov and N. K. Zaitsev p. 14 abstract

Calculation and Properties of the Correlation Dimension of Alkanes Based on Molecular Scattering Curves

L. D. Grigoreva and V. Y. Grigorev p. 21 abstract

J-Aggregates of Astaxanthin and Its Monoesters and Diesters

E. A. Kulikov, V. A. Turanova, S. V. Aleshin, R. G. Vasilov and A. A. Selishcheva p. 27 abstract

Simultaneous Determination of Two Components of Nickel Silver by Digital Colorimetry

K. V. Oskolok, O. V. Monogarova, A. V. Garmay and A. A. Pastukhova p. 33 abstract

Precipitation of Ammonium Uranyl Tricarbonate from Aqueous-Alcoholic and Acetate Solutions

A. S. Kornilov, E. V. Chernookaya, R. G. Abdullov, E. V. Piterkina, K. O. Shcherbakova, A. O. Makarov and O. S. Dmitrieva p. 38 abstract

Microextraction-Colorimetric Determination of Quaternary Ammonium Compounds in Medicines and Disinfectants

V. G. Amelin, M. Mayya and D. S. Bolshakov p. 42 abstract

Preparation of Recombinant Formate Dehydrogenase from Thermotolerant Yeast Ogataea parapolymorpha and Crystallization of Its Apo- and Holo- Forms

A. A. Pometun, K. M. Boyko, S. A. Zubanova, A. Yu. Nikolaeva, D. L. Atroshenko, S. S. Savin and V. I. Tishkov p. 49 abstract

Inhibition of Intracellular Succinate Dehydrogenase of the Bacillus subtilis Bacterium as a Criterion for the Involvement of an Enzyme in the Reduction of Chloride Iodonitrotetrazolium, an Indicator of Cell Viability

A. A. Kalinina, N. V. Gursky, S. S. Sychev and T. N. Sokolova p. 56 abstract

Comparison of Elemental Blood Analysis in Intact and Dry Samples: Porous Membranes as a New Sampling Format

S. V. Drogobuzhskaya, S. E. Kondakov, N. K. Belisheva, A. I. Novikov and E. S. Ihalainen p. 61 abstract

The Stability of Mononuclear and Binuclear Complexes of Silver(I) with Thiosemicarbazide in an Aqueous Solution

A. S. Samadov, I. G. Gorichev, A. N. Kuzmenko, O. N. Plakhotnaia, A. V. Kuzin and E. F. Fayzulloev p. 66 abstract

The Detection of Floretin and Floridzin in Eastern Apple Tree Fruits (Malus orientalis Uglitzk. ex Juz.) and Assessment of the Quantitative Content of Phenolic Compounds

N. V. Nesterova, V. N. Matveenko, I. A. Samylina, S. V. Kondrashev, N. V. Bobkova and F. Sh. Suleymanova p. 71 abstract

Novel Adsorbents for Hydrophilic Chromatography Based on Silica Gel Covalently Modified with Poly(ethylene glycol)

A. S. Popov, G. S. Maksimov, A. D. Smolenkov, O. A. Shpigun and A. V. Chernobrovkina p. 75 abstract

Contents

Moscow University Chemistry Bulletin