Vol. 55 No. 3 (256) (2021)

Chemistry

MODIFICATION OF CHITOSAN BY GRAFT COPOLYMERIZATION

Mejlum L. Yeritsyan, Аrmen M. Аrustamyan, Valentina M. Mavisakalyan, Inessa M. Sirekanyan, Samvel V. Tsarukyan

199-203
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ISOLATION, IDENTIFICATION AND QUANTITATIVE DETERMINATION OF NIFEDIPINE FROM BIOLOGICAL MATERIAL

Satenik Gh. Petrosyan, Lusine Yu. Sahakyan, Virab G. Kirakosyan, Ella V. Minasyan, Siranush Ye. Sardaryan

204-211
- PDF

Biology

STUDY OF PERMEABILITY OF FISH SKIN

Marine A. Parsadanyan, Marieta S. Mikaelyan

212-216
- PDF
EFFECT OF ELECTROMAGNETIC IRRADIATION AND ASPIRIN ON SURFACE TENSION OF HUMAN BLOOD PLASMA $IN~VITRO$

Anahit V. Nerkararyan, Marieta S. Mikaelyan, Svetlana V. Grigoryan

217-223
- PDF
BIOMASS AND BIOHYDROGEN PRODUCTION BY $ESCHERICHIA~COLI$ UPON CONSUMPTION OF MEAT INDUSTRY AND LIGNOCELLULOSIC CORN WASTES MIXTURE

Syuzanna S. Blbulyan, Satenik N. Mirzoyan, Karen A. Trchounian, Anna A. Poladyan

224-231
- PDF
THE ETHANOL INDUSTRY WASTE AS A VALUABLE FEEDSTOCK FOR HYDROGEN PHOTOPRODUCTION BY GREEN ALGAE $CHLORELLA~VULGARIS$

Jemma G. Manoyan, Lilit S. Gabrielyan

232-239
- PDF
THE STUDY OF THE EFFECTIVENESS OF ANTIHYPOXIC PROPERTIES OF CERTAIN COMPOUNDS OF VARIOUS ACTION MECHANISMS ON HEMIC HYPOXIA MODELS

Narine K. Hayrapetyan

240-247
- PDF
THE ROLE OF THIOL GROUPS IN THE EXPRESSION OF THE ACTIVITY OF ARGINASE I AND II ISOENZYMES

Meri K. Iskandaryan, Ernestina Kh. Barseghyan

248-254
- PDF
PECULIARITIES OF GROWTH PARAMETERS OF $SACCHAROMYCES~CEREVISIAE$ UNDER DIFFERENT CONDITIONS

Anahit H. Shirvanyan, Satenik N. Mirzoyan, Karen A. Trchounian

255-265
- PDF
USEFUL AND HARMFUL PROPERTIES OF AGARICOID BASIDIOMYCETES OF THE SHIKAHOGH STATE RESERVE (Republic of Armenia)

Siranush G. Nanagulyan, Lusine V. Margaryan, Yeva Kh. Hovhannisyan, Iren V. Shahazizyan

266-275
- PDF
THE PROBLEM OF ANEMIA IN ARMENIA AMONG YOUNG CHILDREN

Siranush А. Mkrtchyan, Razmik А. Dunamalyan, Marine A. Mardiyan, Lilit E. Ghukasyan, Gagik M. Mirijanyan

276-284
- PDF
SEASONAL AND SPATIAL DISTRIBUTION OF PHYTOPLANKTON IN ARMENIAN LOTIC ECOSYSTEMS: CASE STUDY OF THE DEBED RIVER

Armine S. Mamyan, Gor A. Gevorgyan

285-289
- PDF
INVESTIGATION OF AMINO ACID COMPOSITION OF SOME MOSSES GATHERED FROM ARMENIA

Gajane H. Semerjyan, Inessa H. Semerjyan

290-295
- PDF

Short Communications

DEVELOPMENT OF A RAPID AND EFFICIENT METHOD FOR QUANTITATIVE DETERMINATION OF N-NITROSODIMETHYLAMINE IMPURITY BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY IN METFORMIN HYDROCHLORIDE, LOSARTAN POTASSIUM, VALSARTAN AND RANITIDINE MEDICINAL RAW MATERIALS AND ITS PRODUCTS

Virab G. Kirakosyan, Samvel M. Vardapetyan, Lusine H. Varderesyan, Avetis H. Tsaturyan

296-299
- PDF

Online ISSN	:	2953-7983
Print ISSN	:	1829-1767

Chemistry

MODIFICATION OF CHITOSAN BY GRAFT COPOLYMERIZATION

ISOLATION, IDENTIFICATION AND QUANTITATIVE DETERMINATION OF NIFEDIPINE FROM BIOLOGICAL MATERIAL

Biology

STUDY OF PERMEABILITY OF FISH SKIN

EFFECT OF ELECTROMAGNETIC IRRADIATION AND ASPIRIN ON SURFACE TENSION OF HUMAN BLOOD PLASMA $IN~VITRO$

BIOMASS AND BIOHYDROGEN PRODUCTION BY $ESCHERICHIA~COLI$ UPON CONSUMPTION OF MEAT INDUSTRY AND LIGNOCELLULOSIC CORN WASTES MIXTURE

THE ETHANOL INDUSTRY WASTE AS A VALUABLE FEEDSTOCK FOR HYDROGEN PHOTOPRODUCTION BY GREEN ALGAE $CHLORELLA~VULGARIS$

THE STUDY OF THE EFFECTIVENESS OF ANTIHYPOXIC PROPERTIES OF CERTAIN COMPOUNDS OF VARIOUS ACTION MECHANISMS ON HEMIC HYPOXIA MODELS

THE ROLE OF THIOL GROUPS IN THE EXPRESSION OF THE ACTIVITY OF ARGINASE I AND II ISOENZYMES

PECULIARITIES OF GROWTH PARAMETERS OF $SACCHAROMYCES~CEREVISIAE$ UNDER DIFFERENT CONDITIONS

USEFUL AND HARMFUL PROPERTIES OF AGARICOID BASIDIOMYCETES OF THE SHIKAHOGH STATE RESERVE (Republic of Armenia)

THE PROBLEM OF ANEMIA IN ARMENIA AMONG YOUNG CHILDREN

SEASONAL AND SPATIAL DISTRIBUTION OF PHYTOPLANKTON IN ARMENIAN LOTIC ECOSYSTEMS: CASE STUDY OF THE DEBED RIVER

INVESTIGATION OF AMINO ACID COMPOSITION OF SOME MOSSES GATHERED FROM ARMENIA

Short Communications

DEVELOPMENT OF A RAPID AND EFFICIENT METHOD FOR QUANTITATIVE DETERMINATION OF N-NITROSODIMETHYLAMINE IMPURITY BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY IN METFORMIN HYDROCHLORIDE, LOSARTAN POTASSIUM, VALSARTAN AND RANITIDINE MEDICINAL RAW MATERIALS AND ITS PRODUCTS

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