Izvestiya of Saratov University. Chemistry. Biology. Ecology. 2020, Vol. 20, iss. 4
Content
Chemistry
Kostritsky A. Y., Nakonechnikova M. G., Fedotova О. V., Pchelintseva N. V.
Synthesis and Heterocyclization of 4-Hydroxy-3 - ((2-hydroxy-4,4-dimethyl-6-oxocyclohex1-en-1-yl) (aryl) methyl) -2H-chromen-2-ones
362
Melikhova E. V., Farafonova O. V.
Optimization of the Conditions for Determining 2,4-D and Deltamethrin by HPLC
372
Sumina E. G., Reshetnikova I. S., Uglanova V. Z., Yurasov N. A.
Chromatographical Analysis of Meldonium with Preliminary Concentration by Solid-Phase Extraction on Magnetite Nanoparticles
378
Rudenko D. A., Bratashov D. N., Shipovskaya A. B.
Atomic Force Microscopy Study of the Surface of Films of Chitosan and Its Salts with Organic Acids
387
Biology
Kaybeleva E. I., Arkhipova E. A., Yudakova O. I., Voronin M. Y.
The Poa bulbosa L. Reproductive Strategy in the Steppe Phytocenoses of the Lower Volga Region
395
Ivanova A. V., Kostina N. V., Aristova M. A.
Dependence of Taxonomic Flora Parameters on Sample Sizes
404
Sedelnikova L. L., Vorobyova I. G.
Biological Features of Gladiolus hybridus in Connection with the Adaptation of the Siberian Region
417
Romodin L. A.
Chlorophyllin Inhibits Chemiluminescence That Accompanies a Quasi-Hypoxygenase Reaction Catalyzed by the Cytochrome c-Cardiolipin Complex
427
Hachaturov E. G., Korobko V. V.
The Features of Growth of the Primary Root System of Triticum durum Desf. Varieties of the Saratov Breeding
433
Goncharova O. A., Zotova O. E.
Complex Assessment of the Viability and Decorativeness of Species of the Genus Crataegus L. in the Kola North Conditions
438
Ecology
Dyakova N. A.
Accumulation of Heavy Metals and Arsenic by Medicinal Plant Raw Material of Bitter Hollow
445
Blagovetshenskiy I. V.
Vegetation of the Bog Brekhovo (Ulyanovsk Region). Recommendations for Regime Security and Use
454
Nazarenko N. N., Malaev A. V., Pirozhenkova A. V., Bayda N. A.
Patterns in Natural Halophytic Grasslands at the Border of Forest-Steppe and Steppe Zones of South Ural
465