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CALIXAR
- Postdoctoral Research in Organic Chemistry, Physical chemistry and Soft Matter
Lyon
2015 - 2016
Synthesis and Physical chemistry study of new mild surfactants from diglucose derived, fluorinated chains and steroids to extract and stabilize membrane protein.
Synthesis : Multi-step synthesis of functionalized new amphiphilic macromolecules by esterification reaction, polymerisation, telomerisation, Thiol-ene Michael
addition, etherification reaction, Staudinger reaction, using coupling agents, epoxidation reaction and others.
Physical Chemistry Study : Small-angle X-ray scattering in European Synchrotron Radiation Facility (Grenoble), Determination of CMC by tensiometry in Wilhelmy
plate method, NMR (1H and 19F) and Dynamic light scattering (DLS), Determination of the size of nano-objects by DLS study of amphiphilic molecules fluorinated
derivative head of diglucose.
- Synthesis, purification, characterization and study of physical chemical properties of surfactants and amphiphile polymer from undecylenic acid.
- Production in laboratory scale (~10 g) for our partners
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Institut Naional Polytechnique de Toulouse
- Patent, Publications and Communications
2014 - 2017
Patent : « Utilisation d’une composition comprenant un mono- ou di-alkylénate en C7-C15 de mono- à tétra- (trialkanol en C3-C6) comme auxiliaire de mise en œuvre de produits bitumineux et/ou de béton », le 28 avril 2015, N° 1553814, G. Nyame Mendendy Boussambe, R. Valentin, and Z. Mouloungui, A. Bertron et J-F. Fabre.
Publication 1: T. Verdier; A. Bertron; R. Valentin; G. Nyame Mendendy Boussambe; Z. Mouloungui and C. Roques, "Monoglyceride to protect building materials against microbial proliferation" Matériaux & Techniques, 2017, 104,
Publication 2: G. Nyame Mendendy Boussambe; R. Valentin; J-F. Fabre; L. Navailles; F. Nallet; C. Gaillard and Z. Mouloungui, “Self-assembling behavior of glycerol monoundecenoate in water” Langmuir, 2017, 33, p 3223-3233.
Publication 3: G. Nyame Mendendy Boussambe, R. Valentin, and Z. Mouloungui, “Structural analysis of partial and total esters of glycerol undecenoates and diglycerol undecenoates,” J. Am. Oil Chem. Soc., 2015, 92, p 1567-1577.
Publication 4: G. Nyame Mendendy Boussambe, R. Valentin, and Z. Mouloungui “High intensified selective synthesis of partial glycerol esters of undecylenic acid and partial diglycerol esters of undecylenic acid in direct esterification reaction melted gel conditions,” J. Am. Chem.l Soc., 2015 (submitted).
Communication (Oral presentation) : The 106th AOCS Annual Meeting and Industry Showcases “Physico-chemical inderstanding of the synthesis of partial glycerol and diglycerol esters of undecylenic acid,” presented at, Rosen Shingle Creek, Orlando, Florida, USA, 2015, R. Valentin, G. Nyame Mendendy Boussambe, J.-F. Fabre, and Z. Mouloungui,
Communication (Oral presentation) : 4th International Colloids Conference: Surface Design & Engineering, “Selfassembling in water and on surfaces of biobasednano-objects of pure glycerol monoundecylenate and pure diglycerol monoundecylenate”, 17 June 2014, Madrid (Spain). G. Nyame Mendendy Boussambe, R. Valentin, and Z. Mouloungui.
Communication (Oral presentation) : 8th Workshop on Fats and Oils as Renewable Feedstock for the Chemical Industry, «High intensified selective synthesis of partial diglycerol esters of undecylenic acid in direct esterification reaction melted gel conditions», le 31 mars 2015, Karlsruhe, Germany,. G. Nyame Mendendy Boussambe, R. Valentin, and Z. Mouloungui.
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INRA
- Doctor of Philosophy in Physical Chemistry, in Soft Matter
Paris
2012 - 2015
Doctor of Philosophy in Physical Chemistry, in Soft Matter and in Molecular Chemistry,
Laboratoire de Chimie Agro-Industrielle, ender supervisor of Dr. Zéphirin MOULOUNGUI and Dr. Romain VALENTIN,
UMR 1010 INRA/INP-ENSIACET, France
PhD reporters: Pr. Thierry BENVEGNU and Pr. Raphaël BIKANGA
PhD Subject: « Elaboration of super amphiphilic compounds biobased polymorphic oleophilic retainers and vectors of water in the curing process and bitumen process ».
- Elaboration, synthesis strategy and study of physicochemical properties of candidate molecules (laboratory scale and pilot scale). Purification, characterization and identification of physical chemical properties of different molecules.
- Production in industrial scale (~25 kg) for our partners
- Formulation of the curing product and the stripping product for application to cement and concrete. Formulation of anti-adherent product for bitumen application.
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Université de Rennes 1
- Master's Research internship
2011 - 2011
Team: Macrocycles Pyrroliques et Processus Bio-inspirés, ICMV, under supervision of Dr. Stéphane Le Gac and Pr. Bernard Boitrel UMR 6226-Université de Rennes 1, France.
Subject: « Synthesis of hexaphyrin umbrella a hydrophobic cavity for molecular recognition »
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Indian Institut of Chemical Technology, India
- Master 1 Research internship
2010 - 2010
Under supervision of Dr. P. Radha Krishna, D-206/B Discovery Laboratory, Organic Chemistry Division-III, Indian Institute of Chemical Technology.
Suject: Synthesis of a novel chiral catalyst for enantioselective Baylis-Hillman reaction.
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ALCOA
- Technician intership
CASTELSARRASIN
2008 - 2008
Subject: « Monitoring of surface treatment baths to ensure that the bathrooms are in the concentration range, before and after adding product ».
Under supervisor of Ingeneer and Responsible of Thermal Processing and Surface Treatment Madam Marie Forsbach.
