Search Results - "Guégan, Régis"

Preparation and Comparative Stability of a Kaolinite-Tetrabutylphosphonium Bromide Intercalation Compound for Heat and Solvent Treatments by Machida, Shingo, Guégan, Régis, Sugahara, Yoshiyuki

“…A kaolinite-tetrabutylphosphonium bromide (TBPBr) intercalation compound (Kaol-TBPBr) was prepared from kaolinite providing inorganic aluminosilicate layers…”
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Intercalation of a Nonionic Surfactant (C10E3) Bilayer into a Na-Montmorillonite Clay by GUEGAN, Régis

“…A nonionic surfactant, triethylene glycol mono-n-decyl ether (C10E3), characterized by its lamellar phase state, was introduced in the interlayer of a…”
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Adsorption of diclofenac onto organoclays: Effects of surfactant and environmental (pH and temperature) conditions by De Oliveira, Tiago, Guégan, Régis, Thiebault, Thomas, Milbeau, Claude Le, Muller, Fabrice, Teixeira, Vinicius, Giovanela, Marcelo, Boussafir, Mohammed

“…•Diclofenac (DCF) pharmaceutical is adsorbed through chemisorption onto organoclays.•Adsorption of diclofenac is based on the mobilized cationic…”
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Highly Efficient Surface Modification of Layered Perovskite Nanosheets with a Phosphorus Coupling Reagent Making Use of Microchannels by Sugaya, Takeshi, Guégan, Régis, Idota, Naokazu, Tsukahara, Takehiko, Sugahara, Yoshiyuki

“…Surface modification of niobate nanosheets in a double-Y-type microchannel was achieved for the first time using parallel flows of an aqueous dispersion of…”
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Surface Modification of Layered Perovskite Nanosheets with a Phosphorus Coupling Reagent in a Biphasic System by Sugaya, Takeshi, Ozaki, Masahiko, Guégan, Régis, Idota, Naokazu, Sugahara, Yoshiyuki

“…Oleyl phosphate-modified HLaNb2O7·xH2O nanosheets (OP_HLaNb nanosheets) were prepared via phase transfer from an aqueous phase, comprising a dispersion of…”
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Coupled Organoclay/Micelle Action for the Adsorption of Diclofenac by De Oliveira, Tiago, Guégan, Régis

“…A Na-smectite clay mineral (Na-Mt) was exchanged with various amounts of benzyldimethyltetradecyl ammonium chloride cationic surfactant (BDTAC) up to four…”
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Structure and Dynamics of Nonionic Surfactant Aggregates in Layered Materials by Guégan, Régis, Veron, Emmanuel, Le Forestier, Lydie, Ogawa, Makoto, Cadars, Sylvian

“…The aggregation of surfactants on solid surfaces as they are adsorbed from solution is the basis of numerous technological applications such as colloidal…”
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Confinement effects on water structure in membrane lyotropic phases by GUEGAN, Regis

“…R OH parameter, corresponds to the fraction of water molecules involved in a regular tetrahedral network, as a function of the temperature for the 20 wt.% C…”
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Graphene Oxide Sheets Decorated with Octahedral Molybdenum Cluster Complexes for Enhanced Photoinactivation of Staphylococcus aureus by Guégan, Régis, Cheng, Xiaoxue, Huang, Xiang, Němečková, Zuzana, Kubáňová, Michaela, Zelenka, Jaroslav, Ruml, Tomáš, Grasset, Fabien, Sugahara, Yoshiyuki, Lang, Kamil, Kirakci, Kaplan

“…The emergence of multidrug-resistant microbial pathogens poses a significant threat, severely limiting the options for effective antibiotic therapy. This…”
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BSA and lysozyme adsorption on homoionic montmorillonite: Influence of the interlayer cation by Lepoitevin, Mathilde, Jaber, Maguy, Guégan, Régis, Janot, Jean-Marc, Dejardin, Philippe, Henn, François, Balme, Sébastien

“…This study aims to investigate the influence of interlayer cation alkali metal series (Li+, Na+, K+, Rb+, Cs+) and alkali earth metal (Mg2+, Ca2+, Ba2+) on…”
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Characterization and use of a lignin sample extracted from Eucalyptus grandis sawdust for the removal of methylene blue dye by Cemin, Alexandra, Ferrarini, Fabrício, Poletto, Matheus, Bonetto, Luis R., Bortoluz, Jordana, Lemée, Laurent, Guégan, Régis, Esteves, Valdemar I., Giovanela, Marcelo

“…A lignin sample was extracted from Eucalyptus grandis sawdust, by the Klason method, and used as adsorbent for the removal of methylene blue (MB) from aqueous…”
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Preparation of biocompatible hydrogels reinforced by different nanosheets by Ito, Taiga, Endo, Saki, Sugahara, Yoshiyuki, Tamate, Ryota, Guégan, Régis

“…The impact of inorganic nanosheets with various chemical compositions and properties at different concentrations on the rheological properties and the gelation…”
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New Insights into the Molecular Structures, Compositions, and Cation Distributions in Synthetic and Natural Montmorillonite Clays by Cadars, Sylvian, Guégan, Régis, Garaga, Mounesha N, Bourrat, Xavier, Le Forestier, Lydie, Fayon, Franck, Huynh, Tan Vu, Allier, Teddy, Nour, Zalfa, Massiot, Dominique

“…We present a detailed investigation of the molecular structure of montmorillonite, an aluminosilicate clay with important applications in materials sciences,…”
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Editorial: Advanced treatment of toxic pollutants using 3D materials in wastewater by Gautier, Mathieu, Guégan, Régis, Zhao, Yingxin

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Intercalation of a Cationic Cyanine Dye Assisted by Anionic Surfactants within Mg–Al Layered Double Hydroxide by Sato, Rina, Machida, Shingo, Sohmiya, Minoru, Sugahara, Yoshiyuki, Guégan, Régis

“…An original route for the intercalation of a 1,1′-diethyl-2,2′-cyanine iodide (PIC) cationic dye, through the use of anionic surfactants as vector/carrier…”
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Competitive Association of Antibiotics with a Clay Mineral and Organoclay Derivatives as a Control of Their Lifetimes in the Environment by De Oliveira, Tiago, Fernandez, Elodie, Fougère, Laëtitia, Destandau, Emilie, Boussafir, Mohammed, Sohmiya, Minoru, Sugahara, Yoshiyuki, Guégan, Régis

“…A Na-smectite clay mineral (Na-Mt) was exchanged with two concentrations of benzyldimethyltetradecyl ammonium chloride cationic surfactant up to one time the…”
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Organic matter-clay interaction along a seawater column of the Eastern Pacific upwelling system (Antofagasta bay, Chile): Implications for source rock organic matter preservation by Mahamat Ahmat, Adoum, Boussafir, Mohammed, Le Milbeau, Claude, Guegan, Régis, Valdès, Jorge, Guiñez, Marcos, Sifeddine, Abdelfettah, Le Forestier, Lydie

“…Natural Organic Matter (OM) preservation and sedimentary burial mechanisms are still poorly understood despite their importance in oil source rock…”
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Confinement of a Nonionic Surfactant Membrane Within a Montmorillonite as a New Way to Prepare Organoclay Materials by Guégan, Régis, Giovanela, Marcelo

“…The aim of this study was to prepare and characterize a hybrid layered material (organoclay) with a Na-montmorillonite and the triethylene glycol mono-n-decyl…”
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New Insights into the Cs Adsorption on Montmorillonite Clay from 133Cs Solid-State NMR and Density Functional Theory Calculations by Ohkubo, Takahiro, Okamoto, Takuya, Kawamura, Katsuyuki, Guégan, Régis, Deguchi, Kenzo, Ohki, Shinobu, Shimizu, Tadashi, Tachi, Yukio, Iwadate, Yasuhiko

“…The adsorption sites of Cs on montmorillonite clays were investigated by theoretical 133Cs chemical shift calculations, 133Cs magic-angle-spinning nuclear…”
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Biopolymer nanocomposites based on poly(hydroxybutyrate-co-hydroxyvalerate) reinforced by a non-ionic organoclay by Carli, Larissa N, Daitx, Tales S, Guégan, Régis, Giovanela, Marcelo, Crespo, Janaina S, Mauler, Raquel S

“…A C10 E3 ‐Mt nonionic organoclay, while preserving the inorganic cations, shows a hydrophobic behavior, allowing its easy incorporation into PHBV biopolymer of…”
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