Curriculum vitae Master of Science, Fluid Mechanics, University of Provence, Marseille, France

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1 Dr. Stephan Dubas Position: Lecturer. Curriculum vitae Address: Petroleum and petrochemical college PPC Chulalongkorn University Soi Chula 12 phyathai road, pathumwan Bangkok Thailand Tel: Stephan.d@chula.ac.th Education 1996 Master of Science, Fluid Mechanics, University of Provence, Marseille, France 1998 Master in Material Engineering, Mines School of Ales, France 2008 PhD Material science, Chulalongkorn University, Bangkok Thailand. Experience 2012 Present Lecturer at the Petroleum and petrochemical college (PPC ) Chulalongkorn University Lecturer at the Metallurgy and material science research institute (MMRI)Chulalongkorn University Researcher in the polymer division of the Metallurgy and material science research institute (MMRI) Chulalongkorn University with a focus on nanomaterials R&D manager for Nanostrata Inc. Florida, USA Research assistant in the department of chemistry and biochemistry at Florida State 1997 Project Engineer and Consultant for IDETEC engineering, France

2 Publications list Detsri, E. & Dubas, S.T, Dispersion of multiwalled carbon nanotubes with water-soluble polyaniline blend poly(sodium 4-Styrenesulfonate). applied Mechanics and Materials ( 2012) , pp Detsri, E. & Dubas, S.T. "Interfacial polymerization of polyaniline and its layer-by-layer assembly into polyelectrolytes multilayer thin-films", Journal of Applied Polymer Science (in press). 3. Kittitheeranun, P., Dubas, S.T. & Dubas, L. Layer-by-layer suface modification of fruits with edible nano-coatings. applied Mechanics and Materials ( 2012) , pp Kumlangdudsana, P., Dubas, L., Tuantranont, A. & Dubas, S.T. 2Carbaryl detection by gold nanoparticles electrodes for fruit application model. applied Mechanics and Materials ( 2012) , pp Kumlangdudsana, P., Tuantranont, A., Dubas, S.T. & Dubas, L. "Fabrication of microelectrodes using flow layer-by-layer self assembly of gold nanoparticles", Superlattices and Microstructures, ( 2012) vol. 52, no. 5, pp Kumlangdudsana, P., Tuantranont, A., Dubas, S. T., & Dubas, L. Polyelectrolyte multilayers coating for organic solvent resistant microfluidic chips. Materials Letters, 65(23-24), (2011) Angwarawong, T., Dubas, S. T., Arksornnukit, M. & Pavasant, P. Differentiation of MC3T3-E1 on poly(4-styrenesulfonic acid-co-maleic acid) sodium salt-coated films. Dental Materials Journal 30, , (2011). 8. Dubas, S. T., Wacharanad, S. & Potiyaraj, P. Tunning of the antimicrobial activity of surgical sutures coated with silver nanoparticles. Colloids and Surfaces a-physicochemical and Engineering Aspects 380, 25-28, (2011). 9. Iamsamai, C., Soottitantawat, A., Ruktanonchai, U., Hannongbua, S. & Dubas, S. T. Simple method for the layer-by-layer surface modification of multiwall carbon nanotubes. Carbon 49, , (2011). 10. Poltue, T., Rangkupan, R., Dubas, S. T. & Dubas, L. Nickel (II) ions sensing properties of dimethylglyoxime/poly(caprolactone) electrospun fibers.materials Letters 65, , (2011) 11. Rungrotmongkol, T. et al. Increased dispersion and solubility of carbon nanotubes noncovalently modified by the polysaccharide biopolymer, chitosan: MD simulations. Chemical Physics Letters 507, , (2011).

3 Chularat Iamsamai, Supot Hannongbua, Uracha Ruktanonchai, Apinan Soottitantawat, Stephan T. Dubas, The effect of the degree of deacetylation of chitosan on its dispersion of carbon nanotubes, (accepted in press, CARBON) IF Kittitheeranun, P., Sanchavanakit, N., Sajomsang, W. & Dubas, S. T. Loading of Curcumin in Polyelectrolyte Multilayers. Langmuir 26, , (2010) Pranut Potiyaraj, Stephan T Dubas,Paveenuch Kittitheeranun, Ratthapol Rangkupan, Neeracha Sanchavanakit, Coating of Polyelectrolyte Multilayer Thin Films on Nanofibrous Scaffolds to Improve Cell Adhesion (Accepted in press, JOURNAL OF APPLIED POLYMER SCIENCE) IF Paveenuch kittitheeranun, Pranut Potiyaraj, Tanom Bunaprasert, Neeracha Sanchavanakit, Stephan T. Dubas, Improved L-929 Cell Growth from self assembled PDADMAC/Gelatin thin films, JOURNAL OF METALS, MATERIALS AND MINERALS, (in press). 16. Dubas ST, Pimpan V, Green Synthesis of Silver nanoparticles for Ammonia Sensing, TALANTA, 76 (2008) IF Dubas ST, Pimpan V, Humic acid assisted synthesis of silver nanoparticles and its application to herbicide detection MATERIALS LETTERS, 62 (2008) IF Dubas ST, Pimpan V, Optical switch from Silver nanocomposite thin films, MATERIALS LETTERS, 62 (2008) IF Siripan NILPAIRACH and Stephan T. DUBAS Surface Modification of Bricks by Chitosan Coatings JOURNAL OF METALS, MATERIALS AND MINERALS. Vol.18 No.1 pp.33-37, Kumlangdudsana P, Dubas ST, Dubas L, Surface modificationof microfluidics devices, JOURNAL OF METALS, MATERIALS AND MINERALS, Vol 17 No.2 pp

4 21. Dubas ST, Eakaphon Chutchawalkulchai, Sanong Egkasit, Chularat Iamsamai, Pranut Potiyaraj Deposition of Polyelectrolyte Multilayers to Improve the Color Fastness of Silk Journal of textile research, TEXTILE RESEARCH JOURNAL 77 (2007) IF Limsavarn L, Sritaveesinsub V, Dubas ST Polyelectrolyte assisted silver nanoparticles synthesis and thin film formation MATERIALS LETTERS 61 (14-15): JUN 2007 IF Potiyaraj P, Kumlangdudsana P, Dubas ST Synthesis of silver chloride nanocrystal on silk fibers MATERIALS LETTERS 61 (11-12): MAY 2007 IF Paveenuch Kittitheeranun, Pranut Potiyaraj, Tanom Bunaprasert, Neeracha Sanchavanakit, Stephan T. Dubas Improved L-929 Cell Growth from Self Assembled PDADMAC/Gelatin Thin Films JOURNAL OF METALS, MATERIALS AND MINERALS. Vol.18 No.1 pp.39-45, Luxsana Limsavarn, Trirat Kulsiriwiwat, Kanittika Samneingjam, Verachai Sritaveesinsub, Stephan T. Dubas Formation of Silver-Nanoparticles Composite Thin Films, METALICA SLOVAKA Kawee Srikulkit, Chularat Iamsamai, Stephan Dubas, Development of flame retardant polyphosphoric acid coatings based on the PEM technique, THE JOURNAL OF METALS, MINERALS AND MATERIALS vol 16, No2. pp Luxsana Limsavarn, Stephan Dubas, ph dependant coating for microfluidics devides, THE JOURNAL OF METALS, MINERALS AND MATERIALS vol 16, No2. pp Dubas ST, Kumlangdudsana P, Potiyaraj P Layer-by-layer deposition of antimicrobial silver nanoparticles on textile fibers COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 289 (1-3): OCT IF Potisatityuenyong A, Tumcharern G, Dubas ST, et al. Layer-by-layer assembly of intact polydiacetylene vesicles with retained chromic properties JOURNAL OF COLLOID AND INTERFACE SCIENCE 304 (1): DEC IF Dubas ST, Limsavarn L, Iamsamai C, et al. Assembly of polyelectrolyte multilayers on nylon fibers JOURNAL OF APPLIED POLYMER SCIENCE 101 (5): SEP IF 1.6

5 31. Dubas ST, Iamsamai C, Potiyaraj P Optical alcohol sensor based on dye- Chitosan polyelectrolyte multilayers SENSORS AND ACTUATORS B- CHEMICAL 113 (1): JAN IF Dubas ST, Schlenoff JB Measurements of the swelling and annealing of polyelectrolyte multilayers using atomic force microscopy. Abstracts Of Papers Of The American Chemical Society 223: 177-COLL Part 1 APR Dubas ST, Schlenoff JB Swelling and smoothing of polyelectrolyte multilayers by salt LANGMUIR 17 (25): DEC Dubas ST, Farhat TR, Schlenoff JB Multiple membranes from "true" polyelectrolyte multilayers JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 123 (22): JUN Dubas ST, Schlenoff JB; Polyelectrolyte multilayers containing a weak polyacid: Construction and deconstruction MACROMOLECULES 34 (11): MAY Schlenoff JB, Dubas ST Mechanism of polyelectrolyte multilayer growth: Charge overcompensation and distribution MACROMOLECULES 34 (3): JAN Dubas ST, Schlenoff JB Salt-controlled processing of thin films: Multilayers containing a weak polyacid. Abstracts Of Papers Of The American Chemical Society 221: 377-PMSE Part 2 APR Schlenoff JB, Dubas ST, Farhat T Sprayed polyelectrolyte multilayers LANGMUIR 16 (26): DEC Schlenoff JB, Dubas ST, Graul TW, Surface- and bulk-charge distribution in the control of polyelectrolyte multilayer buildup. Abstracts Of Papers Of The American Chemical Society 219: 59-COLL Part 1 MAR Dubas ST, Schlenoff JB, Factors controlling the growth of polyelectrolyte multilayers, Abstracts Of Papers Of The American Chemical Society 219: 199-COLL Part 1 MAR Dubas ST, Schlenoff JB Factors controlling the growth of polyelectrolyte multilayers MACROMOLECULES 32 (24): NOV Farhat T, Yassin G, Dubas ST, et al. Water and ion pairing in polyelectrolyte multilayers LANGMUIR 15 (20): SEP

6 International and national Patents 1. Surface modification by polyelectrolyte multilayer films (PEMs) using Poly(diallyldimethylammonium chloride), Poly(sodium 4-styrene sulfonate) and Poly(4-styrenesulfonic acid-co-maleic acid) sodium salt Stephan T.Dubas,,.ทพ.. ท 2. Development of functional fruits using the layer-by-layer technique, Stephan T. Dubas, Luxsana Dubas. 3. Method for the preparation of fiber and fabrics coated with silver nanocrystals for antibacterial applications. Dubas ST, Iamsamai C, Potiyaraj P, Kumlangdudsana P, 2006 (Thai patent: submitted) 4. Method for the preparation of fiber and fabrics coated with silver nanoparticles for antibacterial applications. Dubas ST, Iamsamai C, Potiyaraj P, Kumlangdudsana P, 2006 (Thai patent: submitted) 5. Patent: Method of preparing free polyelectrolyte membranes; Dubas, Stephan T.; (Tallahassee, FL) ; Schlenoff, Joseph B.; (Tallahassee, FL) United States Patent Application ; August 5, Dubas, Stephan T.; (Tallahassee, FL) ; Schlenoff, Joseph B.; (Tallahassee, FL); United States ; Patent: Combined vertical and rotational motion indexing mechanism; Patent Application ; November 21, 2002.