Aqueous Binary Mixtures of Stearic Acid and Its Hydroxylated Counterpart 12-Hydroxystearic Acid: Fine Tuning of the Lamellar/Micelle Threshold Temperature Transition and of the Micelle Shape

Autor: Maëva Almeida, Daniel Dudzinski, Bastien Rousseau, Catherine Amiel, Sylvain Prévost, Fabrice Cousin, Clémence Le Coeur

Publikováno v: Molecules, Vol 28, Iss 17, p 6317 (2023)

This study examines the structures of soft surfactant-based biomaterials which can be tuned by temperature. More precisely, investigated here is the behavior of stearic acid (SA) and 12-hydroxystearic acid (12-HSA) aqueous mixtures as a function of t

Externí odkaz: https://doaj.org/article/9aafafeaa48545eba8b02ddaaf27900c

Aqueous Binary Mixtures of Stearic Acid and Its Hydroxylated Counterpart 12-Hydroxystearic Acid: Cascade of Morphological Transitions at Room Temperature

Autor: Maëva Almeida, Daniel Dudzinski, Catherine Amiel, Jean-Michel Guigner, Sylvain Prévost, Clémence Le Coeur, Fabrice Cousin

Publikováno v: Molecules, Vol 28, Iss 11, p 4336 (2023)

Here, we describe the behavior of mixtures of stearic acid (SA) and its hydroxylated counterpart 12-hydroxystearic acid (12-HSA) in aqueous mixtures at room temperature as a function of the 12-HSA/SA mole ratio R. The morphologies of the self-assembl

Externí odkaz: https://doaj.org/article/f798f7a6a3fe4ab584aa8fc24e618c3e

Impact of Glucose on the Nanostructure and Mechanical Properties of Calcium-Alginate Hydrogels

Autor: Patricia Lopez-Sanchez, Ali Assifaoui, Fabrice Cousin, Josefine Moser, Mauricio R. Bonilla, Anna Ström

Publikováno v: Gels, Vol 8, Iss 2, p 71 (2022)

Alginate is a polysaccharide obtained from brown seaweed that is widely used in food, pharmaceutical, and biotechnological applications due to its versatility as a viscosifier and gelling agent. Here, we investigated the influence of the addition of

Externí odkaz: https://doaj.org/article/8c7417cb0b0d4ec3b02ea82ffbe5b487

Design of concentrated colloidal dispersions of iron oxide nanoparticles in ionic liquids: Structure and thermal stability from 25 to 200 °C

Autor: J. C. Riedl, T. Fiuza, Régine Perzynski, Jerome Depeyrot, Mitradeep Sarkar, Emmanuelle Dubois, Fabrice Cousin, Véronique Peyre, Guillaume Mériguet

Publikováno v: Journal of Colloid and Interface Science
Journal of Colloid and Interface Science, Elsevier, 2022, 607, pp.584-594. ⟨10.1016/j.jcis.2021.08.017⟩
Journal of Colloid and Interface Science, 2022, 607, pp.584-594. ⟨10.1016/j.jcis.2021.08.017⟩

Hypothesis Some of the most promising fields of application of ionic liquid-based colloids imply elevated temperatures. Their careful design and analysis is therefore essential. We assume that tuning the structure of the nanoparticle-ionic liquid int

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54e9196275a2dd260b7835972eb64be0
https://doi.org/10.1016/j.jcis.2021.08.017

Structural, Thermodiffusive and Thermoelectric Properties of Maghemite Nanoparticles Dispersed in Ethylammonium Nitrate

Autor: Kakoli Bhattacharya, Mitradeep Sarkar, Thomas J. Salez, Sawako Nakamae, Gilles Demouchy, Fabrice Cousin, Emmanuelle Dubois, Laurent Michot, Régine Perzynski, Véronique Peyre

Publikováno v: ChemEngineering, Vol 4, Iss 1, p 5 (2020)

Ethylammonium nitrate (ionic liquid) based ferrofluids with citrate-coated nanoparticles and Na + counterions were synthesized for a wide range of nanoparticle (NP) volume fractions ( Φ ) of up to 16%. Detailed structural analyses on these fluids we

Externí odkaz: https://doaj.org/article/d80d03a91d734f24b25c007a98d8724a