Chemical Engineering
Global

Chemical Engineering Experts

Siapi Eleni

Chemical engineer
Chemistry
Institute of Biology, Medicinal Chemistry and Biotechnology
Eritrea

Biography

  Degree of Master of Science in Organic Chemical Technology - Institute of Technology Bucharest - Department of Chemical Engineering (1984). Μaster of Science : ''Pharmacognosy on Bioactive Natural Products''.National and Kapodistrian University of Athens - Department of Pharmaceutical Chemistry- Sector of Pharmacognosy & Chemistry of Natural Products (2002). QUALIFICATIONS Experienced in Mass Spectrometer TSQ 7000 Finnigan MAT (EI, CI, ESI, FAB) Perkin Elmer Differential Scanning Calorimeter (DSC-7) Perkin Elmer Elemental Analyzer 2400C Perkin Elmer NIR FT RAMAN (Spectrum GX II) FT NMR spectrometers (Bruker DRX 400 MHz, AC 200 MHz ) High Pressure Liquid Chromatography (CECIL 1100 &Pharmacia LKB-LCC 2252 ) Gas Chromatography/Mass Spectrometer Ηewlett Packard 5890 UV Spectrometer EMPLOYMENT 1986-87.Chemical engineer in department of quality control. Hellenic Sugar Industry. 1987-88. Participation as chemical engineer in the project ''Development, evaluation and utilization of Greece spa'' Hellenic Association of spa. 1989-today. Technical Scientist in National Hellenic Research Foundation Institute of Biology, Medicinal Chemistry and Biotechnology, Division of Organic & Medicinal Chemistry (OMC)     1.      

Research Interest

  Kinetic studies of hydrolysis of amino -, alkoxy - and chloro-acridines as methyl -, ethyl - and their 10-oxide derivatives in protic solvents using UV spectroscopy Studies of relaxation time and double bond energy barrier of the above molecules using NMR in various temperatures. Study of steroid molecules of plasma of umbilical cord using Mass Spectroscopy (ESI, CI). Isolation and elucidation of secondary metabolites from marine organisms using NMR, MS, GS/MS, HPLC. Determination of adulteration of olive oil from seed-oils using Mass Spectroscopy (ESI, FAB). Study of interaction of antibiotic and antihypertensive molecules with membranes using DSC and solid state NMR. Raman and DSC studies during thermal denaturation of collagen

Publications

  • The Use of Differential Scanning Calorimetry to Study the Effects of Gentamycin on Fibrous Collageneous Membranes. E. Siapi, T. Mavromoustakos, V. Trandafir, B. Albu and P. Budrugeac. Thermochimica Acta425 (2005) 165-17

  • The thermal effects of platinum (II) and palladium(II) complexes with 2-acetyl pyridine and pyridine-2-carbaldehyde N(4)-ethyl-thiosemicarbazones in membrane bilayers. D. Kovala-Demertzi, C. Vidjeluc, M.A. Demertzis, E. Siapi, T. Mavromoustakos, Thermochimica Acta 424 (2004) 53-58.

Global Experts from Eritrea

Global Experts in Subject

Share This Profile
Recommended Conferences
View more