Vol. 54 No. 2 (252) (2020)

Chemistry

  • SYNTHESIS AND SOME TRANSFORMATIONS OF HETEROCYCLIC SUBSTITUTED DERIVATIVES OF THIOGLYCOLICACID

    M.A. Samvelyan, T.V. Ghochikyan
    93-98
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.093
  • BOVINE SERUM ALBUMIN FLUORESCENCE QUENCHING BY TANNIC ACID IN DIMETHYLSULFOXIDE CONTAINING SOLUTIONS

    K.R. Grigoryan, H.A. Shilajyan, V.A. Hovhannisyan
    99-104
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.099
  • CATALYTIC ACTIVITY OF THE COBALT(II) ION WITH PHENYLALANINE COMPLEX IN THE DECOMPOSITION REACTION OF CUMENE HYDROPEROXIDE IN AQUEOUS SOLUTION

    G.S. Grigoryan
    105-111
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.105

Biology

  • STUDY OF METHYLENE BLUE INTERACTION WITH SYNTHETIC POLYNUCLEOTIDE POLY(rA)-POLY(rU)

    M.A. Parsadanyan, M.A. Shahinyan, A.P. Antonyan
    112-117
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.112
  • INFLUENCE OF LOW DOSE GAMMA-IRRADIATION ON THE ELECTROKINETIC POTENTIAL OF WHEAT SEEDLINGS CELLULAR NUCLEI

    L.A. Minasbekyan, A.V. Nerkararyan, M.S. Mikaelyan, R.R. Sadoyan
    118-124
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.118
  • EFFECT OF MILLIMETER RANGE ELECTROMAGNETIC WAVES ON COMPLEX-FORMATION OF ETHIDIUM BROMIDE AND HOECHST 33258 WITH DNA

    M.A. Shahinyan, M.S. Mikaelyan, M.A. Torosyan, A.T. Karapetyan
    125-131
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.125
  • STUDY OF ANTIBACTERIAL AND ANTIOXIDANT ACTIVITIES OF SAXICOLOUS LICHEN $ \textit{XANTHOPARMELIA STENOPHYLLA} $

    A.G. Simonyan, R.R. Sargsyan, H.H. Panosyan, A.H. Trchounian
    132-137
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.132
  • ETHANOL SUPPLEMENTATION AS A NEW APPROACH TO REGULATE GROWTH AND HYDROGEN PRODUCTION OF $ \textit{ESCHERICHIA COLI} $ UPON GLYCEROL FERMENTATION

    A.A. Poladyan
    138-146
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.138
  • BACTERIAL PROFILES OF KARVACHAR HOT SPRING IDENTIFIED BY COMBINATION OF DIFFERENT MOLECULAR APPROACHES

    H.H. Panosyan
    147-153
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.147
  • CREATIVE WORK AS A METHOD OF CORRECTION OF THE PSYCHOEMOTIONAL STATE IN PUPILS OF HIGH SCHOOL

    L.E. Ghukasyan, E.S. Gevorgyan
    154-158
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.154
  • SOIL SALINIZATION IN THE AGRICULTURAL AREAS OF ARMENIAN SEMI-ARID REGIONS: CASE STUDY OF MASIS REGION

    K.A. Ghazaryan, G.A. Gevorgyan, H.S. Movsesyan, H.E. Khachatryan
    159-167
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.159
  • THE BLOOM AND TOXICITY OF CYANOBACTERIA IN LAKE SEVAN

    L.R. Hambaryan, L.G. Stepanyan, M.V. Mikaelyan, Q.G. Gyurjyan
    168-176
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.2.168