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4th International Conference on Analytical Chemistry

September 1 – 3, 2018 Bucharest, Romania

SCIENTIFIC PROGRAM

Friday, August 31 – Hotel Yesterday

1600 – 1800 Registration of Participants

Saturday, September 1 Library building of University Politehnica of Bucharest, Hall 2.1, 2nd Floor

800 – 900 Registration of Participants – Entrance hall 0900 – 1030 Conference Opening 0945 – 1015 PL ACS. THE AMERICAN CHEMICAL SOCIETY – A GLOBAL PARTNER

Jens BREFFKE American Chemical Society, NW, Washington, USA

1030 – 1150 SESSION 1

Chairs: Raluca Ioana STEFAN-van STADEN and Ana Maria JOSCEANU

1030 – 1110 PL 1. ANALYSIS OF DISEASE-LINKED BIOMOLECULES IN MICROFLUIDIC SYSTEMS Adam T. WOOLLEY1, Radim KNOB1, Anna V. NIELSEN1, Michael J. BEAUCHAMP1, Robert L. HANSON1, Ellen K. PARKER1, Hua GONG2, Gregory P. NORDIN2 1Brigham Young University, Chemistry and Biochemistry Department, Utah, USA 2Brigham Young University, Electrical and Computer Engineering Department, USA

1110 – 1150 PL 2. STRUCTURE-PROPERTIES RATIONALES FOR THE USE OF RICH DATA FROM OPTICAL SPECTRA AND MAGNETISM OF LANTHANIDES Fănică CIMPOESU, Marilena FERBINTEANU 1Institute of Physical Chemistry “Ilie Murgulescu”, Bucharest, Romania 2University of Bucharest, Faculty of Chemistry, Bucharest, Romania

1150 – 1240 Lunch

1240 – 1350 POSTER SESSION

(Evaluation of students’ posters, section YP) 1350 – 1800

SPECIAL SESSION FOR YOUNG ANALYTICAL CHEMISTS Chairs: Hassan Y ABOUL-ENEIN, Adam T. WOOLLEY and Jens BREFFKE

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1350 – 1420 KN 1. THE JOURNEY OF IMMOBILIZATION PLATFORMS FOR ELECTROCHEMICAL ENZYME BASED BIOSENSORS AND THEIR APPLICATIONS Sevinc KURBANOGLU – “Constantin Luca” Award for the Best Young Analytical Chemist Ankara University Faculty of Pharmacy Department of Analytical Chemistry

1420 – 1440 YL 1. STOCHASTIC SENSORS BASED ON OLEAMIDES FOR THE ASSAY OF 8-HYDROXY-2`-DEOXYGUANOSINE AND 8-NITROGUANINE Liliana-Roxana BALAHURA1, Raluca-Ioana Stefan-van STADEN1, Catalina NEGUT1, Jacobus F. VAN STADEN1, Hassan Y ABOUL-ENEIN2

1Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Pharmaceutical and Medicinal Chemistry Department, The Pharmaceutical and Drug Industries Research Division, National Research Centre, Cairo, Egypt

1440 – 1500 YL 2. DESIGN OF AN ELECTROCHEMICAL NANOSENSOR FOR THE DETERMINATION OF ANTIMIGRAINE DRUG S. Irem KAYA1, Buse DEMIRKAN2, Sevinc KURBANOGLU1, Aysenur AYGUN 2, Fatih SEN2, Sibel A. OZKAN1 1Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkey 2Sen Research Group, Department of Biochemistry, Faculty of Art and Science, Dumlupinar University, Kutahya, Turkey

1500 – 1520 YL 3. FAST SCREENING OF BLADDER CANCER BIOMARKERS USING STOCHASTIC SENSORS Damaris-Cristina GHEORGHE, Raluca-Ioana STEFAN-VAN STADEN, Liliana-Roxana BALAHURA Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania

1520 – 1540 YL 4. LIQUID CHROMATOGRAPHIC ANALYSIS OF MONTELUKAST AND LEVOCETIRIZINE BY USING CORE-SHELL PARTICLES COLUMNS Cem ERKMEN, Bengi USLU

Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkey

1540 – 1600 Coffee Break and Poster session (Evaluation of students’ posters, section YP)

1600 – 1620 YL 5. SENSITIVE DETECTION OF MELATONIN BASED ON STOCHASTIC SENSORS IN PHARMACEUTICAL FORMULATIONS AND INFANT FORMULAS Alexandrina LUNGU (MOSCALU)1,2, Raluca-Ioana van STADEN1,2, Jacobus Frederick VAN STADEN1 1Laboratory of Electrochemistry and PATLAB Bucharest, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania

1620 – 1640 YL 6. CHIRAL ANALYSIS OF AMINO ACIDS BY CE-MS FOR TARGETED NEUROMETABOLOMICS Radu-Cristian MOLDOVAN1,2, Ede BODOKI1, Marianne FILLET2, Radu OPREAN1 1Department of Analytical Chemistry and Instrumental Analysis, Faculty of Pharmacy, “Iuliu Hat¸ieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania

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2Laboratory for the Analysis of Medicines, Department of Pharmacy, Faculty of Medicine, CIRM, University of Liège, Liège, Belgium

1640 – 1700 YL 7. MOLECULAR RECOGNITION OF IL-8, IL-10, IL-12, AND IL-15 IN BIOLOGICAL FLUIDS USING PHTHALOCYANINE BASED STOCHASTIC SENSORS Ruxandra M. ILIE1,2, Raluca-Ioana STEFAN-VAN STADEN1,2, Livia Alexandra GUGOASA1, Anuta BILASCO3, Constanta Angelica VISAN3, Adrian STREINU-CERCEL3 1Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania. 3Carol Davila University of Medicine and Pharmacy, National Institute of Infectious Diseases “Prof. Dr. Matei Balș”, Bucharest, Romania

1700 – 1720 YL 8. DEVELOPMENT AND VALIDATION OF HPLC METHOD FOR SIMULTANEOUS DETERMINATION OF BETAMETHASONE DIPROPIONATE AND KETOCONAZOLE IN CREAM FORMULATIONS Tutku Ceren KARABULUT1, Gulin AMASYA2, Sevinc KURBANOGLU1, Sibel A. OZKAN1 1Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkey 2Ankara University, Faculty of Pharmacy, Department of Pharmaceutical Technology, Ankara, Turkey

1720 – 1740 YL 9. MOLECULAR RECOGNITION OF PYRUVIC ACID AND SODIUM LACTATE IN EARLY-DIABETIC STAGE Ioana POPA-TUDOR1,2, Raluca-Ioana STEFAN VAN STADEN1, Constantin IONESCU-TARGOVISTE3, Roxana Adriana STOICA3 1Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania. 3National Institute of Diabetes, Nutrition and Metabolic Diseases "Pr. Dr. N. Paulescu", Bucharest, Romania.

1740 – 1800 YL 10. DERIVATIVE UV-Vis SPECTROPHOTOMETRIC PROCEDURE FOR HYALURONIC ACID DOSAGE IN MIXTUTRES Eugenia Eftimie TOTU1, Daniel PETRE1, Roxana Madalina BUGA1, Tiberiu TOTU1, Corina Marilena CRISTACHE2

1University Politehnica Bucharest, Bucharest, Romania 2Department of Dental Techniques, Faculty of Midwifery and Medical Assisting (FMAM), “Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania

1900 – 2200 Welcome Party – “Yesterday” Hotel Restaurant

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Sunday, September 2 Library building of University Politehnica of Bucharest, Hall 2.1, 2nd Floor

0900 – 1020 SESSION 2

Chairs: Raluca-Ioana STEFAN-VAN STADEN and Mihaela BADEA 0900 – 0940 PL 3. STRUCTURAL ANALYSIS OF LANTHANIDE AND ALKALINE-EARTH

BASED METAL ORGANIC FRAMEWORKS Stefania TANASE,1 Marilena FERBINTEANU2

1 Van 't Hoff Institute for Molecular Sciences, Amsterdam, The Netherlands 2 University of Bucharest, Inorg. Chem. Dept, Dumbrava Rosie 23, Romania

0940 – 1020 PL 4. DISTANCE OF FLIGHT MASS SPECTROMETRY USING SOLID-STATE ION DETECTOR ARRAYS Steven RAY1, Christopher BRAIS1, Kelsey WILLIAMS1, Eric JENSEN1, M. Bonner DENTON2, Gene ATLAS3, Gary M. HIEFTJE4 1Department of Chemistry, State University of New York at Buffalo, Buffalo, NY, USA 2Department of Chemistry, University of Arizona, Tempe, AZ, USA 3Imager Laboratories, Monrovia, CA, USA 4Department of Chemistry, Indiana University, Bloomington, IN, USA

1020 – 1040 Coffee Break and Poster session

1040 – 1230 SESSION 3

Chairs: Jacobus F. VAN STADEN and Sevinc KURBANOGLU 1040 – 1120 PL 5. LIPASE-CATALYZED KINETIC RESOLUTION OF RACEMATES: A

VERSATILE METHOD IN CHIRAL SEPARATION AND DRUG DEVELOPMENT Hassan Y ABOUL-ENEIN Pharmaceutical and Medicinal Chemistry Department, National Research Centre, Dokki, Giza Egypt

1120 – 1550 KN 2. THERMO FISHER SCIENTIFIC NEWS ON HIGH RESOLUTION MASS SPECTROMETRY AND MORE Olaf SCHEIBNER Thermo Fisher Scientific, Bremen, Germany

1150 – 1210 L 1. VALORISATION OF WINERY BY-PRODUCTS – APPLICATIONS FOR WASTEWATER TREATMENT Florentina-Daniela MUNTEANU1, Simona GAVRILAȘ1, Alina VASILESCU2, Gaelle CATANANTE3, Jean-Louis MARTY3

1Faculty of Food Engineering, Tourism and Environmental Protection, “Aurel Vlaicu” University of Arad, Arad, Romania 2International Centre of Biodynamics, Bucharest, Romania 3BAE Laboratory, Université de Perpignan via Domitia, Perpignan, France

1210 – 1230 L 2. DEVELOPMENT OF VOLTAMMETRIC SENSORS FOR THE ANALYSIS OF NATURAL WATERS Constantin APETREI ”Dunarea de Jos” University of Galati, Faculty of Science and Environment, Department of Chemistry, Physics and Environment, Galati, Romania

1230 – 1330 Lunch

1330 – 1430 Poster session

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1430 – 1540 SPECIAL SESSION ON BIOANALYSIS 1

Chairs: Andrei BUNACIU and Hassan Y ABOUL-ENEIN 1430 – 1500 KN 3. RECENT ADVANCES IN MYCOTOXINS DETECTION BASED ON

(IMMUNO)SENSORS Mihaela DONI, Ana Maria GURBAN National Institute for Research & Development in Chemistry and Petrochemistry – ICECHIM, Bucharest, Romania

1500 – 1520 L 3. ADVANCES IN SUPRAMOLECULAR ANALYTICAL CHEMISTRY USING CUCURBIT(n)URILS AND THEIR DERIVATIVES Lucia MUTIHAC1, E. I. CUCOLEA1, A. D. STANCU1, H.-J. BUSCHMANN2 1University of Bucharest, Department of Analytical Chemistry, Bucharest Romania 2Duisburg Essen University, NETZ DTNW GmbH, Duisburg, Germany

1520 – 1540 L 4. STOCHASTIC SENSORS – NEW SCREENING TOOLS FOR EARLY DIAGNOSIS Raluca-Ioana STEFAN-VAN STADEN Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania.

1540 – 1630 Poster session

1815 – 1900 Conference Dinner, Hotel Yesterday Restaurant

Monday, September 3 Library building of University Politehnica of Bucharest, Hall 2.1, 2nd Floor

0900 – 1020 SESSION 4

Chairs: Steven RAY and Ana Maria JOSCEANU 0900 – 0940 PL 6. POTENTIAL OF RESTRICTED ACCESS SUPRAMOLECULAR

SOLVENTS IN BIOANALYTICAL APPLICATIONS Andrei MEDVEDOVICI University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Bucharest, Romania

0940 – 1020 PL 7. TUBULAR REACTORS AS CHEMICAL SENSORS Jacobus F. VAN STADEN Process Analytical Technology Laboratory (PATLAB) Bucharest, National Institute of Research and Development for Electrochemistry and Condensed Matter (INCDEMC), Bucharest, Romania

1020 – 1100 Coffee Break and Poster session

1100 – 1210 SPECIAL SESSION ON BIOANALYSIS 2

Chairs: Lucia MUTIHAC and Iulia Gabriela DAVID 1100 – 1130 KN 4. ADVANCED MATERIALS BASED ON STARCH: SYNTHESIS AND

ANALYSIS Diana Felicia LOGHIN, Ecaterina Stela DRAGAN, Marcela MIHAI “Petru Poni” Institute of Macromolecular Chemistry, Iasi, Romania

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1130 – 1150 L 5. NANOSTRUCTURED MATERIALS FOR ELECTROCHEMICAL SENSORS WITH BIOMEDICAL APPLICATIONS Adina ARVINTE “Petru Poni” Institute of Macromolecular Chemistry, Iasi, Romania

1150 – 1210 L 6. APPLICATIONS OF FOURIER TRANSFORM INFRARED SPECTROSCOPY IN FOOD OIL ANALYSIS Andrei A. BUNACIU1, Hassan Y. ABOUL-ENEIN2, H. D. VU3 1AAB_IR research SRL, Bucharest,, Romania 2Pharmaceutical and Medicinal Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Centre, Dokki, Giza, Egypt 3Department of Analytical Chemistry and Toxicology, Hanoi University of Pharmacy, Hanoi, Vietnam

1215 – 1300 Closing ceremony and awards for oral (YL) and poster (YP) presentations

*Posters will be exposed on the panels on Saturday, September 1, during participants’

registration and will remain exhibited lasting the entire conference period.

Discussion on posters are expected during all coffee breaks.

POSTER LIST

P1 DETERMINATION OF NITRITE IN WATER FROM WATER CATCHMENT AREAS WITH ANODIC VOLTAMMETRY BASED ON SELECTED MODIFIED GRAPHITE ELECTRODES Jacobus (Koos) Frederick VAN STADEN, Roxana-Georgiana NUTA, Georgiana-Luiza TATU (ARNOLD) Process Analytical Technology Laboratory (PATLAB) Bucharest, National Institute of Research and Development for Electrochemistry and Condensed Matter (INCDEMC), Bucharest, Romania

P2 FLUORIMETRIC DETERMINATION OF NITRATE IN WATER CATCHMENTS USING A FLUORESCENCE TRACER DYE Catalina CIOATES-NEGUT, Jacobus (Koos) Frederick VAN STADEN, Georgiana-Luiza ARNOLD-TATU Process Analytical Technology Laboratory (PATLAB) Bucharest, National Institute of Research and Development for Electrochemistry and Condensed Matter (INCDEMC), Bucharest, Romania

P3 MODIFIED GRAPHITE/GRAPHENE DOT MICROSENSORS FOR ASSAY OF TRACE AMOUNTS OF LEAD AND CADMIUM IN WATER CATCHMENTS AREAS USING DIFFERENTIAL PULSE ANODIC STRIPPING VOLTAMMETRY Jacobus (Koos) Frederick VAN STADEN, Georgiana-Luiza TATU (ARNOLD) Process Analytical Technology Laboratory (PATLAB) Bucharest, National Institute of Research and Development for Electrochemistry and Condensed Matter (INCDEMC), Bucharest, Romania

P4 PHTHALOCYANINE MODIFIED ELECTRODES BASED ON REDUCED GRAPHENE OXIDE FOR DETERMINATION OF LEAD IN DIFFERENT TYPES OF WATER Jacobus (Koos) Frederick VAN STADEN, Georgiana-Luiza TATU (ARNOLD) Process Analytical Technology Laboratory (PATLAB) Bucharest, National Institute of Research and Development for Electrochemistry and Condensed Matter (INCDEMC), Bucharest, Romania

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P5 LIQUID PHASE COMPLEXATION OF [2-(2-BROMO-PHENYLCARBAMOYL)-PHENOXY]-ACETIC ACID ETHYL ESTER WITH β-CYCLODEXTRIN Ioana M. C. IENAȘCU1,2, Mariana N. ŞTEFĂNUȚ1, Cosmin PASCARIU1,2, Iuliana M. POPESCU3, Adina CATA1

1National Institute of Research and Development for Electrochemistry and Condensed Matter, Timişoara, Romania 2“Vasile Goldiş” Western University of Arad, Faculty of Pharmacy, Arad, Romania 3Banat’s University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania", Timisoara, Romania

P6 HEAVY METALS REMOVAL FROM POLLUTED SOILS BY PHYTOREMEDIATION Ileana MANCIULEA1, Dora LUCACI2, Camelia DRAGHICI1 1Transilvania University of Brasov, Faculty of Product Design and Environment, Romania 2National Institute for Research and Development in Forestry, Brasov, Romania

P7 TOX-OER FOR LEARNING ENVIRONMENTAL ANALYSIS THROUGH OPEN EDUCATIONAL RESOURCES Ileana MANCIULEA1, Dora LUCACI2, Camelia DRAGHICI1 1Transilvania University of Brasov, Faculty of Product Design and Environment, Romania 2National Institute for Research and Development in Forestry, Brasov, Romania

P8 HPLC-DAD METHOD FOR DETECTION OF SOME PESTICIDE RESIDUES IN SOIL AND CROPS CULTIVATED IN BANAT COUNTY - MORAVITA ZONE Mariana N. ŞTEFÃNUŢ1, A. CÃTA1, F. FIŢIGÃU1, M. DOBRESCU1, C. VASZILCSIN1, C. TÃNASIE1, D. ROSU1, I. IENASCU1,2

1National Institute of Research and Development for Electrochemistry and Condensed Matter, Timişoara, Romania 2“Vasile Goldiş” Western University of Arad, Faculty of Pharmacy, Arad, Romania

P9 DETECTION OF SOME FUNGICIDES IN FOODS BY GC-MS METHOD Mariana N. ŞTEFÃNUŢ1, A. CÃTA1, C. VASZILCSIN1, C. TÃNASIE1, D. ROSU1, M. DOBRESCU1, I. IENASCU1,2

1National Institute of Research and Development for Electrochemistry and Condensed Matter, Timişoara, Romania 2“Vasile Goldiş” Western University of Arad, Faculty of Pharmacy, Arad, Romania

P10 THERMAL DEGRADATION OF ANTHOCYANIN PIGMENTS IN BILBERRY, BLACKBERRY AND BLACK MULBERRY EXTRACTS IN THE PRESENCE OF SOME ADDED FOOD ANTIOXIDANTS Adina CĂTA1, Ioana M.C. IENAŞCU1,2, Cristian TĂNASIE1, Mariana N. ŞTEFĂNUȚ1 1National Institute of Research and Development for Electrochemistry and Condensed Matter, Timişoara, Romania 2“Vasile Goldiş” Western University of Arad, Faculty of Pharmacy, Arad, Romania

P11 ANTIOXIDANT AND ANTIDIABETIC PROPERTIES OF POLYPHENOLIC-RICH EXTRACTS OF APIUM GRAVEOLENS AND AGROPYRUM REPENS Elena NEAGU1, Gabriela PAUN1, Veronica MOROEANU1, Oana UNGUREANU1, Gabriel Lucian RADU2 1Centre of Bioanalysis, National Institute of Research and Development for Biological Sciences, Bucharest, Romania. 2Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, Bucharest, Romania

P12 CAPILLARY ELECTROPHORESIS AS ANALITHYCAL TOOL FOR CARBOHYDRATES ASSESSMENTS IN NATURAL EXTRACTS Florentina GATEA1, Eugenia D. TEODOR1, Gabriel L. RADU2 1National Institute for Biological Sciences, Spl. Independentei, Bucharest, Romania 2UniversityPolitehnica, Faculty of Applied Chemistry Materials Sciences, Romania

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P13 PREDICTION OF ADULTERATION IN HONEY USING STABLE ISOTOPE METHODOLOGY COUPLED WITH BASIC PHYSICOCHEMICAL INVESTIGATIONS Elisabeta-Irina GEANĂ, Corina Teodora CIUCURE, Diana COSTINEL National R&D Institute for Cryogenics and Isotopic Technologies – ICSI Rm. Valcea, Rm. Valcea, Romania

P14 UV-VIS SPECTROSCOPY USED FOR CLASSIFICATION OF ROMANIAN WINES Elisabeta-Irina GEANĂ1, Constantin APETREI2

1National R&D Institute for Cryogenics and Isotopic Technologies – Rm. Valcea 2”Dunarea de Jos” University of Galati, Galati, Romania

P15 CUCURBIT(n)URIL AND HEMICUCURBIT(n)URIL IN BIOMOLECULES BINDING AND SEPARATION E. I. CUCOLEA1, V.A. ION1, H.-J. BUSCHMANN2, L. MUTIHAC3 1Research Centre for Instrumental Analysis – SCIENT, Tâncăbeşti, Romania 2Duisburg Essen University, NETZ DTNW GmbH, Duisburg, Germany 3University of Bucharest, Department of Analytical Chemistry, Bucharest Romania

P16 MINERAL CHARACTERIZATION OF SEA BUCKTHORN BERRIES E.I. CUCOLEA, A. T. CUCURUZ, V. A. ION Research Centre for Instrumental Analysis – SCIENT, Tâncăbeşti, Romania

P17 THE TRANSPORT OF NICOTINIC ACID THROUGH BULK LIQUID MEMBRANES Ecaterina Anca ȘERBAN1,2, Ioana DIACONU2, Elena RUSE2, Gheorghe NECHIFOR2

1National Research and Development Institute for Industrial Ecology ECOIND, Bucharest, Romania 2University Politehnica of Bucharest, Faculty of Applied Chemistry and Materials Science, Bucharest, Romania

P18 DISPOSABLE GRAPHITE ELECTRODE FOR NARINGENIN ANALYSIS Iulia Gabriela DAVID, Mihaela BULEANDRĂ, Dana Elena POPA, Lorelei IORDACHE, Mihaela Carmen CHEREGI, Vasile DAVID University of Bucharest, Faculty of Chemistry, Bucharest, Romania

P19 POTENTIAL SALIVARY PREDICTION MARKERS OF ASSOCIATED COMORBIDITIES IN CHILD OBESITY Corina PÎRSEAN1, Cătălina NEGUT2, Raluca Ioana VAN STADEN, Cristina DINU-PÎRVU 1, Petru ARMEAN1, Denisa Ioana UDEANU1 1University of Medicine and Pharmacy “Carol Davila”, Bucharest, Romania 2Laboratory of Electrochemistry and PATLAB Bucharest, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania

P20 SYNTHESIS AND PHYSICO-CHEMICAL PROPERTIES OF THE 2,2’-DIPYRIDYLAMINE DERIVATIVES Rodica D. CARPEN1, Marioara BEM, Miron T. CAPROIU, Constantin DRAGHICI, Maria MAGANU, Petre IONITA 1“I. Murgulescu” Institute of Physical Chemistry, Romanian Academy, Bucharest 2“C. D. Nenitzescu” Organic Chemistry Center, Romanian Academy, Bucharest

P21 SIMULTANEOUS DETERMINATION OF HYDROCHLOROTHIAZIDE AND IRBESARTAN FROM BIOLOGICAL SAMPLES AND PHARMACEUTICAL DOSAGE FORMS Aysu YARMAN1,2, Sevinc KURBANOGLU1

1Ankara University, Faculty of Pharmacy, Analytical Chemistry Department, Turkey 2University of Potsdam, Institute of Biochemistry and Biology, Potsdam, Germany

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P22 RAPID DETERMINATION OF POLYPHENOLIC CONTENT IN FRUIT JUICES AS ELLAGIC ACID EQUIVALENT USING PENCIL GRAPHITE ELECTRODES Iulia Gabriela DAVID, Dana Elena POPA, Sumeyra CELIK, Mihaela BULEANDRĂ, Emilia Elena IORGULESCU, Vasile DAVID University of Bucharest, Faculty of Chemistry, Bucharest, Romania

P23 AN ALTERNATIVE SCREENING METHOD BASED ON ASSAY OF NEURON SPECIFIC ENOLASE, USED FOR EARLY DIAGNOSIS OF LUNG CANCER Claudiu Eduard NISTOR1, Raluca-Ioana STEFAN-VAN STADEN2, Camelia STANCIU-GAVAN3, Adrian Vasile DUMITRU4

1Department of Thoracic Surgery SUUMC, University of Medicine and Pharmacy “Carol Davila”, Bucharest, Romania 2Labortory of Electrochemistry and PATLAB Bucharest, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 3Department of General Surgery 4 SUUB , University of Medicine and Pharmacy “Carol Davila”, Bucharest, Romania 4Department of Pathological anatomy SUUB , University of Medicine and Pharmacy “Carol Davila”, Bucharest, Romania

P24 PIPER DIAGRAM – A NOVEL VISUALISATION TOOL FOR CHARACTERIZATION OF MINERAL SPRINGS FROM THE AREA OF THE NATIONAL PARK BUILD-VINTURARITA Luisa Roxana POPESCU1,2, Teodor Ovidiu MATICA1 1National Research and Development Institute for Industrial Ecology, Romania 2National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania

POSTER - YOUNG ANALYTICAL CHEMISTS P1Y MODELING THE LONG-RANGE COUPLING IN SPIN-PROBE SYSTEMS

Cristina Maria BUTA, Ana Maria TOADE, Fănică CIMPOEŞU Institute of Physical Chemistry “Ilie Murgulescu”, Bucharest, Romania

P2Y SYNTHESIS AND STRUCTURAL ANALYSIS OF NEW MANGANESE (III) COMPLEXES Oana RADULESCU, Rodica PETRISOR, Marilena FERBINTEANU University of Bucharest, Inorg. Chem. Dept, Bucharest, Romania

P3Y SYNTHESIS AND STRUCTURAL ANALYSIS OF NEW COBALT (II) COMPLEX BASED ON N-BENZOYLMETHYL-BENZIMIDAZOLE Michaela Dina STANESCU1, Florin ALBOTA1, Ovidiu OPREA2, Cristina STEFANOV3, Marilena FERBINTEANU3 1University POLITEHNICA of Bucharest, Org. Chem. Dept., Bucharest, Romania 2University POLITEHNICA of Bucharest, Bucharest, Romania 3University of Bucharest, Inorg. Chem. Dept, Bucharest, Romania.

P4Y GRAPHENE-BASED STOCHASTIC MICROSENSORS AS TOOLS FOR SIMULTANEOUS RECOGNITION OF NITRITES AND NITRATES IN WATER SAMPLES Mariana MINCU1, Raluca-Ioana ŞTEFAN-VAN STADEN1,2, Jacobus Frederick VAN STADEN1, Livia Alexandra GUGOASA1, Roxana-Luisa POPESCU-MANDOC3

1Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania 2Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 3National Research and Development Institute for Industrial Ecology – INCD-ECOIND Bucharest, Bucharest, Romania

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P5Y DETERMINATION OF BISPHENOL A FROM WATER SAMPLES USING A NEW ELECTRODE BASED ON CARBON PASTE Mariana MINCU1, Raluca-Ioana ŞTEFAN-VAN STADEN1,2, Jacobus F. VAN STADEN2

1University of Bucharest, Bucharest, Romania 2Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest-6, Romania

P6Y SCREENING METHOD FOR BISPHENOLS IN WATER SAMPLES Raluca-Ioana ŞTEFAN-VAN STADEN1,2, Mariana MINCU2, Jacobus Frederick VAN STADEN1

1Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania

P7Y MOLECULAR RECOGNITION OF LEUKEMIA BIOMARKERS USING STOCHASTIC SENSORS Liliana-Roxana BALAHURA1, Raluca-Ioana STEFAN-VAN STADEN1, Stela PRUNEANU2, Marcela C. RUSU2

1Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania

P8Y DETECTION OF MELATONIN BASED ON FLUORESCENCE METHOD USING A SUITABLE CHROMPHORE IN INFANT FORMULAS AND PHARMACEUTICAL DRUGS Alexandrina LUNGU (MOSCALU)1,2, Raluca Ioana VAN STADEN1,2, Jacobus Frederick VAN STADEN1

1Laboratory of Electrochemistry and PATLAB Bucharest, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania

P9Y SIMULTANEOUS DETECTION OF BISPHENOLS IN BIOLOGICAL AND WATER SAMPLES USING STOCHASTIC SENSORS Alexandrina LUNGU (MOSCALU)1,2, Raluca Ioana VAN-STADEN1,2, Jacobus Frederick VAN STADEN1 1Laboratory of Electrochemistry and PATLAB Bucharest, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania

P10Y ELECTROCHEMICAL SENSOR FOR L, D-TRYPTOPHAN DETECTION IN BIOLOGICAL SAMPLE Ruxandra M. ILIE1,2, Raluca Ioana STEFAN-VAN STADEN1,2 1Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania.

P11Y SCREENING OF WHOLE BLOOD SAMPLES FOR P53 Ruxandra M. ILIE1,2, Raluca-Ioana STEFAN-VAN STADEN1,2, Livia Alexandra GUGOASA1

1Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania

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P12Y MOLECULAR RECOGNITION OF C REACTIVE PROTEIN, ADIPONECTIN AND ZN2+ IN SERUM SAMPLES Ioana POPA-TUDOR1,2, Raluca-Ioana STEFAN-VAN STADEN1, Livia Alexandra GUGOASA1, Constantin IONESCU-TARGOVISTE3, Roxana Adriana STOICA3

1Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania. 3National Institute of Diabetes, Nutrition and Metabolic Diseases "Pr. Dr. N. Paulescu", Bucharest,Romania

P13Y MOLECULAR DETERMINATION OF D-GLUCOSE AND L-GLUCOSE FROM BIOLOGICAL SAMPLES BY ELECTROCHEMICAL TECHNIQUE Ioana POPA-TUDOR1,2, Raluca-Ioana STEFAN-VAN STADEN1, Constantin IONESCU-TARGOVISTE3, Roxana Adriana STOICA3

1Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest, Romania 2Faculty of Applied Chemistry and Material Science, Politehnica University of Bucharest, Bucharest, Romania. 3National Institute of Diabetes, Bucharest, Romania

P14Y ANALYTICAL EVALUATION OF BIOLOGICAL ACTIVE COMPOUNDS FROM CICHORIUM INTYBUS Gabriela STANCIU, Ramona ROTARIU Ovidius University, Chemistry and Chemical Engineering Department, Romania

P15Y ELECTROCHEMICAL DETECTION OF URSOLIC ACID FROM TWO ORIGINAL DERMATO-COSMETIC PLANT EXTRACT WITH REGENERATIVE EFFECT ON HUMAN SKIN, USING MODIFIED SENSORS Ioana Adina OANCEA1,2, Jacobus Frederick VAN STADEN 3, Elena OANCEA2, Eleonora-Mihaela UNGUREANU1

1Politehnica University of Bucharest, Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Bucharest, Romania 2SC. Dan-Elis. SRL, Cosmetic Product Manufacturing, Topraisar, Romania 3Laboratory of Electrochemistry and PATLAB Bucharest, National Institute of Research for Electrochemistry and Condensed Matter, Bucharest., Romania

P16Y ROMANIAN PROPOLIS EVALUATION Maria Madalina NICHITOI, Ana Maria JOSCEANU, Raluca ISOPESCU, Vasile LAVRIC University Politehnica of Bucharest, Faculty of Applied Chemistry and Material Sciences, Bucharest, Romania

P17Y COMPARISON OF SUGAR COMPOSITION BETWEEN PURE AND ADULTERATED HONEYS WITH DIFFERENT SUGAR SYRUPS Corina Teodora CIUCURE, Elisabeta-Irina GEANĂ National RD Institute Cryogenics and Isotopic Technologies, Rm. Valcea, Romania

P18Y PHYSICAL – CHEMICAL CHARACTERIZATION AND ANTIOXIDANT ACTIVITY OF METALLIC NANOPARTICLES PHYTOSYNTHESIZED FROM CENTAUREA CYANUS Ana – Alexandra SORESCU1,2, Alexandrina NUTA1,3, Rodica – Mariana ION1,2, Madalina GRIGORE1, Sabina – Georgiana NITU1, Ramona Marina GRIGORESCU1 1The National Research&Development Institute for Chemistry and Petrochemistry – ICECHIM, Bucharest, Romania 2Valahia University, Targoviste, Romania 3The Romanian Academy “St. S. Nicolau” Institute of Virology, Bucharest, Romania

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P19Y COULD HYALURONIC ACID AND MELATONIN MAINTAIN THEIR SPECIFICITY IN MIXTURE FORMULATIONS? Eugenia Eftimie TOTU1, Daniel PETRE1, Roxana Madalina BUGA1, Florina DUMITRU1, Tiberiu TOTU1, Corina Marilena CRISTACHE2

1University Politehnica Bucharest, Bucharest, Romania 2Department of Dental Techniques, Faculty of Midwifery and Medical Assisting (FMAM), “Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania