PROCESSES IN ISOTOPES AND MOLECULES (PIM 2011)

Transcription

1 PROCESSES IN ISOTOPES AND MOLECULES (PIM 2011) Cluj Napoca, Romania 29 September 1 October 2011 EDITOR Mihaela D. Lazar National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj Napoca, Romania All papers have been peer reviewed. SPONSORING ORGANIZATIONS National Institute for Research and Development of Isotopic and Molecular Technologies Romanian National Authority for Scientifi c Research ANCS Melville, New York, 2012 AIP CONFERENCE PROCEEDINGS 1425

2 Editor Mihaela D. Lazar National Institute for Research and Development of Isotopic and Molecular Technologies Donath Street Cluj Napoca Romania Authorization to photocopy items for internal or personal use, beyond the free copying permitted under the 1978 U.S. Copyright Law (see statement below), is granted by the American Institute of Physics for users registered with the Copyright Clearance Center (CCC) Transactional Reporting Service, provided that the base fee of $30.00 per copy is paid directly to CCC, 222 Rosewood Drive, Danvers, MA 01923, USA: For those organizations that have been granted a photocopy license by CCC, a separate system of payment has been arranged. The fee code for users of the Transactional Reporting Services is: /12/$ American Institute of Physics No claim is made to original U.S. Government works. Permission is granted to quote from the AIP Conference Proceedings with the customary acknowledgment of the source. Republication of an article or portions thereof (e.g., extensive excerpts, figures, tables, etc.) in original form or in translation, as well as other types of reuse (e.g., in course packs) require formal permission from AIP and may be subject to fees. As a courtesy, the author of the original proceedings article should be informed of any request for republication/reuse. Permission may be obtained online using RightsLink. Locate the article online at then simply click on the RightsLink icon/ Permissions/Reprints link found in the article abstract. You may also address requests to: AIP Office of Rights and Permissions, Suite 1NO1, 2 Huntington Quadrangle, Melville, NY , USA; Fax: ; Tel.: ; rights@aip.org. L.C. Catalog Card No ISBN ISSN X Printed in the United States of America

3 AIP Conference Proceedings, Volume 1425 Processes in Isotopes and Molecules (PIM 2011) Table of Contents Preface: Processes in Isotopes and Molecules (PIM 2011) Mihaela D. Lazar 1 MOLECULAR, BIOMOLECULAR AND ENVIRONMENTAL SYSTEMS Solvent effect on the anharmonic vibrational frequencies in guanine cytosine base pair A. Bende and C. M. Muntean 5 A solid form of ambazone with lactic acid Gh. Borodi, M. Muresan-Pop, I. Kacsó, and I. Bratu 9 Self-consistent measurement of all thermal parameters of a liquid by FPPE-TWRC technique D. Dadarlat and M. N. Pop 13 Chitosan-based nanocarriers for antimalarials Simina Dreve, Iren Kacso, Adriana Popa, Oana Raita, A. Bende, Gh. Borodi, and I. Bratu 17 DFT study of cysteine adsorbtion on gold defect surfaces Luiza Buimaga-Iarinca and Nicoleta Tosa 22 Determination of optical constants of polymethyl methacrylate films from IR reflection-absorption spectra Simion Jitian and Ioan Bratu 26 Preparation and characterization of ambazone salt with nicotinic acid I. Kacsó, M. Muresan-Pop, Gh. Borodi, and I. Bratu 30 Preparation and characterization of urea-oxalic acid solid form Oana Onija, Gh. Borodi, Irina Kacso, M. N. Pop, D. Dadarlat, I. Bratu, and N. Jumate 35 Solid form of indapamide recrystallized from acetonitrile/diethyl ether solvent mixture Lucia M. Rus, Irina Kacso, Gheorghe Borodi, Mihaela Aluas, Ioan Tomuta, Cristina Iuga, Simion Simon, Ioan Bratu, and Marius Bojita 39 Determination of some volatile compounds in alcoholic beverage by headspace solid-phase microextraction gas chromatography Mass spectrometry G. Schmutzer, V. Avram, I. Feher, L. David, and Z. Moldovan 43 Determination of flavonoids in Triticum aestivum L. treated with ampicillin M. L. Soran, O. Opriş, F. Copaciu, and C. Varodi 47 v

4 Extraction and identification of flavonoids from parsley extracts by HPLC analysis M. Stan, M. L. Soran, C. Varodi, and I. Lung 50 Analysis of flavor compounds by GC/MS after liquid-liquid extraction from fruit juices F. D. Tuşa, Z. Moldovan, G. Schmutzer, D. A. Magdaş, A. Dehelean, and M. Vlassa 53 ADVANCED TECHNOLOGIES, APPLIED RESEARCH Investigation of heat and mass transfer process in metal hydride hydrogen storage reactors, suitable for a solar powered water pump system I. Coldea, G. Popeneciu, D. Lupu, I. Misan, G. Blanita, and O. Ardelean 61 Spectroscopic studies of copper ions doped in tellurate glasses obtained by sol-gel method A. Dehelean, S. Rada, V. Danciu, E. Culea, M. Stan, A. Popa, and O. Raita 65 Application of green IT for physics data processing at INCDTIM Felix Farcas, Radu Trusca, Stefan Albert, Izabella Szabo, and Gabriel Popeneciu 69 H 2 -SCR at low temperatures on noble metal supported catalysts Maria Mihet, Mihaela Diana Lazar, V. Almasan, and V. Mirel 73 Acoustic noise and pneumatic wave vortices energy harvesting on highways S. Pogacian, A. Bot, and D. Zotoiu 77 A miniaturized stirrer for low viscosity fluids based on a rotating magnetic field generated by solenoids M. N. Pop 81 Measurements of the liquids dielectric properties changes with temperature for microwaves power processing optimization E. Surducan, V. Surducan, and C. Neamtu 85 Microwave generator for scientific and medical applications V. Surducan, E. Surducan, R. Ciupa, and C. Neamtu 89 Functioning of the protective UV filters based on gold nanoparticles Florin Toadere and Nicoleta Tosa 93 Simultaneous determination of some artificial sweeteners in ternary formulations by FT-IR and EI-MS Nicoleta Tosa, Zaharie Moldovan, and Ioan Bratu 98 Single attosecond pulse generation by two laser fields V. Tosa, C. Altucci, K. Kovacs, M. Negro, S. Stagira, C. Vozzi, and R. Velotta 102 High frequency atmospheric cold plasma treatment system for materials surface processing Cristian D. Tudoran, Vasile Surducan, and Sorin D. Anghel 106 vi

5 The use of inductively coupled plasma mass spectrometry (ICP-MS) for the determination of toxic and essential elements in different types of food samples C. Voica, A. Dehelean, and M. H. Kovacs 110 NANOSTRUCTURED MATERIALS AND NANOCOMPOSITES The study of the photosensitive materials used in solar-hydrogen energy by a versatile photoelectrochemical cell P. Ardelean, E. Indrea, C. Ardelean, Gh. Mihailescu, Z. Balazs, T. D. Silipas, Z. Moldovan, R. C. Suciu, S. V. Dreve, and M. C. Rosu 117 Applying of isoconversional analysis to calorimetric data on the gel melting I. Dranca, T. Lupascu, and I. Povar 121 Spectroscopic investigation of hemoglobin adsorbed onto gold nanoparticles Sorina Garabagiu and Gheorghe Mihailescu 124 Structural and microstructural investigation of Cd x Zn 1-x In 2 S 4 photocatalyst for solar hydrogen production E. Indrea, D. T. Silipaş, R. Bănică, Terezia Nyari, and Ramona-Crina Suciu 127 Hydrogen production by ethanol steam reforming on Ni/oxide catalysts Mihaela D. Lazar, Monica Dan, Maria Mihet, George Borodi, and Valer Almasan 131 Magnetization enhancement of magnetic nanoparticles coated with polypyrrole O. Pana, C. Leostean, M. L. Soran, M. Stefan, S. Macavei, N. G. Gheorghe, and C. M. Teodorescu 135 Dual efficiency of nano-structured TiO 2 /zeolyte systems in removal of copper (II) and lead (II) ions from aqueous solution under visible light A. Peter, E. Indrea, A. Mihaly-Cozmuta, L. Mihaly-Cozmuta, C. Nicula, H. Tutu, and E. Bakatula 139 Nanostructures based on metallic nanoparticles and biomolecules Stela Pruneanu, Liliana Olenic, Florina Pogacean, Lucian Barbu Tudoran, Valentin Canpean, Adriana Vulcu, Camelia Grosan, and A. S. Biris 144 TiO 2 /methylcellulose nanocomposite films for photocatalytic applications M. C. Rosu, R. C. Suciu, S. V. Dreve, T. D. Silipas, I. Bratu, and E. Indrea 148 Structural and microstructural characterization of nanocrystalline (CuIn) 0.1 Zn 1.8 S 2 photocatalysts for solar hydrogen production D. T. Silipaş, E. Indrea, R. Bănică, Terezia Nyari, and Ramona-Crina Suciu 151 Structural characterization of zinc sulphide thin films by radial distribution function analysis using x-ray scattering Maria Stefan, Emil Indrea, Elisabeth-Jeanne Popovici, Maria Loredana Soran, and Ovidiu Pana 155 TiO 2 thin film deposition by chemical methods R.-C. Suciu, M. C. Roşu, I. Marian, T. D. Silipaş, C. Varodi, A. Popa, M. Miheţ, and E. Indrea 159 vii

6 ISOTOPIC MATERIALS AND PROCESSES The study of the local sources of CO 2 using stable isotopes Gabriela Cristea, Dana A. Magdas, Stela Cuna, Edina Dordai, and V. Mirel 165 The use of isotope ratios ( 13 C/ 12 C) for vegetable oils authentication G. Cristea, D. A. Magdas, and V. Mirel 168 The carbon isotopes ratio and trace metals content determinations in some Transylvanian fruit juices A. Dehelean, D. A. Magdas, and G. Cristea 171 The use of stable isotopes in quantitative determinations of exogenous water and added ethanol in wines D. A. Magdas, Z. Moldovan, and G. Cristea 175 The quality control of fruit juices by using the stable isotope ratios and trace metal elements concentrations D. A. Magdas, A. Dehelean, R. Puscas, G. Cristea, F. Tusa, and C. Voica 178 Deuterium isotopic characterization of long-term precipitation water in Cluj-Napoca, Romania R. H. Puscas and S. Radu 182 The thermal desorption of CO 2 from amine carbamate solutions for the 13 C isotope enrichment S. Dronca, C. Varodi, M. Gligan, V. Stoia, A. Baldea, and I. Hodor 186 A simplified mathematical model of the cryogenic distillation with application to the ( 13 C) isotope separation column A. O. Neaga, C. Festila, E. H. Dulf, R. Both, T. Szelitzky, and M. Gligan 189 Author Index 193 viii