Vol. 57 No. 2 (261) (2023)

DOI: https://doi.org/10.46991/PYSU:B/2023.57.2

Published: 2023-07-07

Chemistry

A NEW METHOD FOR THE PREPARATION OF HYDRAZIDES OF SUBSTITUTED GAMMA-HYDROXYBUTANOIC ACIDS

Tariel V. Ghochikyan, Armen S. Galstyan, Melanya A. Samvelyan

68-76
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HERBAL INFUSIONS AS INHIBITORS OF TRYPSIN ACTIVITY IN WATER AND POLAR ORGANIC SOLVENT–WATER SYSTEMS

Ameer Khalid Jamal, Ali Qutaiba Mohammed, Abdulrahman Hameed Rasheed, Ahmed Raheem Al-Rubbawi, Gohar A. Shahinyan

77-89
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OLIVINE-BASED SORBENTS FOR REMOVAL OF HEAVY METALS

Sergey S. Hayrapetyan, Martin S. Hayrapetyan, Hambardzum H. Khachatryan

90-99
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COMPARATIVE STUDY OF THE CONTENT OF ANTHOCYANINS IN THE FRUITS OF BLUEBERRIES, BLACKBERRIES AND BLACKCURRANTS. DEVELOPMENT OF A TECHNOLOGICAL METHOD FOR OBTAINING PARTIALLY PURIFIED NEW-GALENIC EXTRACTS

Ani S. Dadayan, Artavazd S. Poghosyan, Samvel G. Ghazaryan, Anahit M. Hovhannisyan, Melanya S. Ghazaryan, Slavik A. Dadayan

100-109
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CHIRAL SEPARATION OF $(2S,~9S)$-DIAMINO-2,9-DIBENZYLDECA-4,6-DIYNEDIOIC ACID AND $(2R,~9R)$-DIAMINO-2,9-DIBENZYLDECA-4,6-DIYNEDIOIC ACID

Avetis H. Tsaturyan

110-117
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Biology

ERYTHROCYTES AS A MODEL FOR STUDYING THE EFFECT OF TEMPERATURE ON THE RESISTENCE OF CELLULAR MEMBRANES

Marieta S. Mikaelyan, Mariam A. Shahinyan, Marine A. Parsadanyan

118-125
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STUDY OF HYBRIDIZATION OF COMPLEMENTARY SINGLE-STRANDED POLYNUCLEOTIDES POLY(rA) AND POLY(rU)

Zvart H. Movsisyan

126-132
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CISPLATIN AND PROGESTERONE SEPARATE AND JOINT ACTION ON RAT THYMUS NUCLEAR PHOSPHOLIPIDS COMPOSITION AND CONTENT

Agapi G. Hovhannisyan, Nune R. Hakobyan, Zhenya V. Yavroyan, Emil S. Gevorgyan

133-140
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EVALUATION OF ETHANOL AND BIOMASS PRODUCTION RATE BY DIFFERENT $SACCHAROMYCES~CEREVISIAE$ STRAINS DEPENDING ON EXTERNAL pH AND TEMPERATURE

Anahit H. Shirvanyan

141-153
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ROLE OF GLYCINE-BETAINE IN THE GROWTH AND HYDROGENASES ACTIVITY OF $RALSTONIA~EUTROPHA$ H16

Meri K. Iskandaryan

154-163
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EFFECT OF VARIOUS CARBON SOURCES ON THE GROWTH PROPERTIES AND MORPHOLOGY OF $SPIRULINA~PLATENSIS$

Ani A. Harutyunyan, Jemma G. Manoyan, Lusine R. Hambaryan, Lilit S. Gabrielyan

164-171
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MICROBIOLOGICAL ASSESSMENT OF FECAL CONTAMINATION IN THE RIVER WATERS OF THE VOGHJI RIVER CATCHMENT BASIN

Anita L. Varagyan, Gor A. Gevorgyan

172-176
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Short Communications

PREPARATION AND STUDY OF JUNIPER BERRY AND SEED EXTRACTS

Mikayel S. Torosyan, Vladimir V. Vardapetyan, Gohar A. Shahinyan, Armen I. Martiryan

177-181
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