Vol. 56 No. 1 (257) (2022)

Chemistry

  • THE INFLUENCE OF ACIDIC TREATMENT OF MINERAL CONDITIONERS ON THEIR STRUCTURE-FORMING PROPERTIES

    Sergey S. Hayrapetyan, Mikael S. Chobanyan, Vahe A. Hovhannisyan, Lilit S. Banyan, Hambardzum H. Khachatryan
    1-9
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.001
  • QUANTUM-CHEMICAL SIMULATION OF PYRIDINIUM PEROXODISULFATES (С$_n$Pyr)$_2$S$_2$O$_8$ COMPLEXES

    Alina K. Dovlatyan, Hamlet G. Badalyan, Lusine R. Harutyunyan, Romik S. Harutyunyan
    10-17
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.010
  • STUDY OF OIL AND POMACE FROM GRAPE SEEDS FOR THE IDENTIFICATION OF PREREQUISITES OF THEIR COMPLEX PROCESSING

    Ani S. Dadayan, Lala A. Stepanyan, Tatevik H. Sargsyan, Artavazd S. Poghosyan, Ella V. Minasyan, Monika H. Israyelyan, Anahit M. Hovhannisyan, Slavik A. Dadayan
    18-30
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.018
  • DEVELOPMENT OF AN HPLC METHOD FOR SIBUTRAMINE IDENTIFICATION. SEARCH FOR UNDECLARED SIBUTRAMINE IN BIOLOGICALLY ACTIVE ADDITIVES APPETITE SUPPRESSANTS

    Ruben E. Israyelyan, Tatevik H. Sargsyan
    31-40
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.031
  • TEXTURAL AND CATALYTIC FEATURES OF SILICON SURFACE MODIFIED WITH ZnO IN THE REACTION OF HOMOGENOUS-HETEROGENEOUS ACTIVATION OF PROPANE-OXYGEN MIXTURES AT LOW PRESSURES

    Petros S. Gukasyan, Sevda B. Mkhitaryan, Samvel M. Vardapetyan, Verzhine A. Sarkeziyan, Oleg A. Kamalyan
    41-48
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.041

Biology

  • STUDY OF STRUCTURAL TRANSITIONS OF COMPLEXES OF DIFFERENT LIGANDS WITH DNA AND BSA

    Poghos H. Vardevanyan, Nara R. Petrosyan
    49-55
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.049
  • STUDY OF ASPIRIN EFFECT ON STABILITY OF MEMBRANES OF RAT BLOOD ERYTHROCYTES BY ACIDIC HEMOLYSIS METHOD

    Marieta S. Mikaelyan, Mariam A. Shahinyan, Gayane H. Poghosyan, Evelina G. Sargsyan, Anahit V. Nerkararyan
    56-62
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.056
  • THE FIRST RECORD OF THE GENUS $ARGIOPE$ OF THE FAMILY ARANEIDAE: $ARGIOPE$ $BRUENNICHI$ (SCOPOLI, 1772) AND $ARGIOPE$ $LOBATA$ (PALLAS, 1772) IN ARMENIA

    Armine M. Kosyan
    63-67
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.063
  • PHENOLIC COMPOUNDS IN SOME WIDELY DISTRIBUTED MEDICINAL MUSHROOM SPECIES IN ARMENIA

    Vahagn S. Gevorgyan
    68-73
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.068
  • AGARICOMYCETES MUSHROOMS DISTRIBUTED IN ARMENIA – SOURCE OF COSMETIC BIOINGRЕDIENTS

    Susanna M. Badalyan, Anush L. Barkhudaryan, Narine G. Gharibyan
    74-83
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.074
  • THE EFFECT OF BREASTFEEDING ON THE HEALTH INDICATORS OF YOUNG CHILDREN

    Siranush А. Mkrtchyan, Razmik А. Dunamalyan, Marine A. Mardiyan, Lilit E. Ghukasyan, Gagik M. Mirijanyan
    84-93
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.084
  • THE ROLE OF MUSIC IN THE CORRECTION OF THE FUNCTIONAL STATE OF STUDENTS

    Emma S. Gevorkyan, Lilit E. Ghukasyan, Karine V. Baghdasaryan
    94-99
    DOI: https://doi.org/10.46991/PYSU:B/2022.56.1.094