PHYSICS

Violeta M. Petrović, Hristina S. Delibašić, Ivan D. Petrović

THE EFFECT OF MAGNETIC FIELD ON THE TUNNELING YIELD OF AMMONIA MOLECULES

5

Milena P. Živković, Nenad M. Zlatić, Dragana Z. Krstić, Milan S. Stanković

HEALTH RISK ASSESSMENT OF NATURAL AND ARTIFICIAL RADIONUCLIDES IN MEDICINAL PLANTS

15

CHEMISTRY

Boukada Fadéla, Meddah Boumediene, Fatima Soltani

FLAVONOIDS EXTRACT FROM AERIAL PART OF AJUGA IVA (ALGERIAN MEDICINAL PLANT): THE HPLC-UV ANALYSIS AND ANTIOXIDANT CAPACITY

23

Vesna M. Milovanović, Zorica D. Petrović, Vladimir P. Petrović, Dušica Simijonović, Milan Mladenović, Nevena Stanković, Ivana D. Radojević, Ljiljana R. Čomić

IN VITRO AND IN SILICO LIPOXYGENASE INHIBITION STUDIES AND ANTIMICROBIAL ACTIVITY OF PYRAZOLYL-PHTHALAZINE-DIONES

35

BIOLOGY

Dejan D. Arsenijević, Stefan Z. Blagojević, Nevena S. Planojević, Aleksandra G. Nikezić, Dejan S. Vidanović, Nenad Milosavljević, Snežana D. Marković

DNA-BASED MOLECULAR IDENTIFICATION OF URNULA MEDITERRANEA (ASCOMYCOTA, PEZIZALES) COLLECTED IN CENTRAL SERBIA

53

Olgica D. Stefanović, Jelena D. Radosavljević, Marijana M. Kosanić

MICROBIOLOGICAL INDOOR AIR QUALITY IN FACULTY'S ROOMS: RISKS ON STUDENTS' HEALTH

63

Tanja Trifković, Dino Hasanagić, Biljana Kukavica

AFFINITY OF CLASS I AND CLASS III PEROXIDASES FOR H₂O₂ IN PEPPER LEAVES OF DIFFERENT MATURITY

73

Milica M. Kanjevac, Biljana M. Bojović, Marija S. Todorović, Milan S. Stanković

EFFECT OF SEED HALOPRIMING ON IMPROVING SALT TOLERANCE IN RAPHANUS SATIVUS L.

87

Jovana V. Todosijević, Alexander M. Scherbakov, Yulia A. Volkova, Vladimir B. Jurišić

INVESTIGATION OF THE EFFECT OF STEROIDAL IMIDAZOHETEROCYCLES HORMONE DERIVATIVES ON JEG-3 TROPHOBLAST CELLS OF CHORIOCARCINOMA

99

Olga S. Jakovljević, Slađana S. Popović, Ivana M. Živić, Katarina Z. Stojanović, Jelena Ž. Krizmanić

SEASONAL DYNAMICS OF EPILITHIC DIATOM COMMUNITY FROM THE VRLA RIVER (SOUTHEASTERN SERBIA)

109

Slađana Popović, Dragana Predojević, Olga Jakovljević, Tonči Rađa, Ana Anđelković, Gordana Subakov Simić, Nataša Nikolić

ENDOLITHIC PHOTOTROPHS: EXAMPLES FROM CAVE-LIKE ENVIRONMENTS

123

Jovana M. Sekulić, Mirjana M. Stojanović-Petrović, Tanja B. Trakić, Filip J. Popović

NEW RECORDS AND REMARKS ON EARTHWORMS OF THE VOJVODINA PROVINCE (OLIGOCHAETA: LUMBRICIDAE, CRIODRILIDAE)

139

Mihailo Vujić, Milan Đurić, Ivan Tot

SIX NEW HOVERFLY SPECIES (DIPTERA: SYRPHIDAE) IN THE FAUNA OF SERBIA

149

Snežana B. Pešić

LIPARUS (LIPARUS) GLABRIROSTRIS KÜST. AND HYLOBIUS (CALLIRUS) ABIETIS (L.) (COLEOPTERA: CURCULIONIDAE) – FIRST RECORDS FOR SERBIA

157

Snežana B. Simić, Aleksandra B. Mitrović, Nevena B. Đorđević, Sanja S. Radosavljević

ECOLOGICAL STATUS ASSESSMENT OF THE SAMOKOVSKA RIVER - 2018 CASE STUDY

167