Vol. 51 No. 1 (242) (2017)

DOI: https://doi.org/10.46991/PYSU:B/2017.51.1

Published: 2017-03-30

Chemistry

FLUORESCENCE 2D AND 3D SPECTRA ANALYSIS OF TRYPTOPHAN, TYROSINE AND PHENYLALANINE

K.R. Grigoryan, H.A. Shilajyan

3-7
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PRODUCING OF ERYTHRITOL ESTERS WITH STEARIC, PALMITIC AND OLEIC ACIDS

G.S. Grigoryan, Z.G. Grigoryan, A.Ts. Malkhassyan

8-11
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ANALYSIS OF ENVIRONMENTAL STATUS OF THE RIVERS VOROTAN, SISIAN AND GORIS

A.G. Simonyan, G.P. Pirumyan

12-16
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EFFECT OF MODIFICATION OF PEAT SURFACE WITH CHITOSAN ON SORPTION OF COPPER IONS

S.A. Gevorgyan, S.S. Hayrapetyan

17-20
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Biology

CISPLATIN $IN~VIVO$ INFLUENCE ON LIPID CONTENT OF CHROMATIN ON RAT BRAIN CELLS

E.S. Gevorgyan, Zh.V. Yavoroyan, N.R. Hakobyan, A.G. Hovhannisyan

21-26
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MELTING PARAMETERS OF DNA COMPLEXES WITH SEVERAL INTERCALATORS

A.P. Antonyan, M.A. Parsadanyan, V.G. Sahakyan, P.G. Vardevanyan

27-30
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EMI EHF-INDUCED CHANGES OF FREE-RADICAL OXIDATION PROCESSES IN $TRITICUM~AESTIVUM$ L. SEEDLINGS

Zh.H Mukhaelyan

31-37
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INTERACTION OF POLY(I) WITH ETHIDIUM BROMIDE

S.N. Hakobyan, R.S. Ghazaryan, M.A. Shahinyan

38-43
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SCREENING OF SOME PLANT MATERIALS USED IN ARMENIAN TRADITIONAL MEDICINE FOR THEIR ANTIMICROBIAL ACTIVITY

M.M. Ginovyan, A.H. Trchounian

44-53
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RESPONSE OF MULTIDRUG-RESISTANT $PSEUDOMONAS~AERUGINOSA$ STRAINS TO ACTION OF SYNTHETIC AMINO ACIDS AND PEPTIDES

N.A. Hovhannisyan, G.G. Oganezova, M.A. Melkumyan, N.S. Avetisyan, A.M. Hovhannisyan, M.H. Kinosyan, M.B. Chitchyan

54-57
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Short Communications

DATABASE OF MYCORRHIZAL FUNGI OF THE REPUBLIC OF ARMENIA

A.S. Stepanyan, L.V. Margaryan, S.G. Nanagulyan

58-61
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A NEW SPECIES $BRASSAIOPSIS~MIRABILIS$ KOL. FROM EARLY PLIOCENE FLORA HORTUN-1 (ARMENIA)

A.S. Papikyan, I.G. Gabrielyan

62-64
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Personalia

ROUBEN M. AROUTIUNIAN: THE SCIENTIST, TEACHER AND CITIZEN (on the occasion of $70^{th}$ anniversary)

65-66
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