1. THE INFLUENCE OF MINERALS AND LACTOSE CONTENT ON THE STABILITY OF WHEY PROTEIN POWDERS. Authors: DOINA PRODAN, MIUȚA FILIP, IOANA PERHAIȚAA, MIHAELA VLASSA, VIOLETA POPESCU, IOAN MARCUS, MARIOARA MOLDOVAN.2. DETERMINATION OF NITRATE AND NITRITE CONTENT IN ZONAR MILK SERUM AND DERIVED DAIRY DRINKS USING ION-PAIR REVERSED-PHASE HIGH PERFORMANCE LIQUID CHROMATOGRAPHY. Authors: MIHAELA VLASSA, MARIOARA MOLDOVAN, DOINA PRODAN, MIUȚA FILIP.3. GLYPHOSATE AND AMINOMETHYLPHOSPHONIC ACID LEVELS IN WATER AND SOIL SAMPLES FROM TRANSYLVANIAN ROMA COMMUNITY ANALYZED BY HPLC-FLD METHOD. Authors: MIHAELA VLASSA, MIUȚA FILIP, VIRGINIA COMAN, VLAD PĂNESCU, CĂTĂLINA HERGHELEGIU, MIHAIL SIMION BELDEAN-GALEA.4. MAT GLASS – THIN LAYER CHROMATOGRAPHY. APPLICATION OF INVASION MODEL. Authors: VIRGINIA COMAN, DIANA BOGDAN, ȘTEFAN KREIBIK, MIUȚA FILIP, MIHAELA VLASSA.