Electrochemistry of Biosystems
Linking Glucose Oxidation to Luminol-based Electrochemiluminescence using bipolar Electrochemistry
Asymmetric Modification of TiO2 Nanofibers with Gold by Electric-Field-Assisted Photochemistry
Stimuli-responsive microgels for electrochemiluminescence amplification
Aline SIMON-LALANDE
Position:
Gestionnaire
Address:
Groupe NanoSystèmes Analytiques
Institut des Sciences Moléculaires - UMR 5255 CNRS
Université de Bordeaux - ENSCBP
16, Avenue Pey-Berland
33607 PESSAC Cedex
FRANCE
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A compléter

Self-coacervation of ampholyte polymer chains as an efficient encapsulation strategy.


Thursday, 02 May 2019
A. Perro, L. Giraud, N. Coudon, S. Shanmugathasan, B. Goudeau, J.-P. Douliez and V. Ravaine Journal of Colloid and Interface Science 2019 548, 275-283. Coacervation is a phase separation process involving two aqueous phases, one solute-phase and one solute-poor phase. It is frequently observed among oppositely-charged polyelectrolyte systems. In this study, we focus on self-coacervation involving a single polymer chain and investigate its potential for encapsulation applications.... Read More...

Kinetics of spontaneous microgels adsorption and stabilization of emulsions produced using microfluidics


Thursday, 02 May 2019
M.-C. Tatry, E. Laurichesse, A. Perro, V. Ravaine and V. Schmitt Journal of Colloid and Interface Science 2019, 548, 1-11. The aim of the paper is to examine the adsorption kinetics of soft microgels and to understand the role off undamental parameters such as electrostatics and deformability on the process. This knowledge is further exploited to produce microgel-stabilized emulsions using a co-flow microfluidic device.Uncharged microgels made of poly(N-isopropylacrylamide) are synthesized... Read More...

Adsorption of Proteins on Dual Loaded Silica Nanocapsules


Thursday, 02 May 2019
S. Ramalingam, G. Le Bourdon, E. Pouget, A. Scalabre, J. Raghava Rao and A. Perro J. Phys. Chem B 2019, 123 (7), 1708-1717. The design of nanocarriers containing hydrophobic and hydrophilic compounds represents a powerful tool for cocktail delivery. Water-in-oil-in-water emulsions constitute an attractive approach as they offer dual encapsulation and provide a template for the constitution of a capsule. A limitation in the preparation of nano double emulsions is their instability... Read More...

Sealing hyaluronic acid microgel with oppositely-charged polypeptide: a simple strategy for packaging hydrophilic drugs with on-demand release.


Thursday, 02 May 2019
H. Labie, A. Perro, V. Lapeyre, B. Goudeau, B. Catargi, R. Auzély, V. Ravaine  Journal of Colloid and Interface Science 2019, 535, 16-27. A simple route to deliver on demand hydrosoluble molecules such as peptides, packaged in biocompatible and biodegradable microgels, is presented. Hyaluronic acid hydrogel particles with a controlled structure are prepared using a microfluidic approach. Their porosity and their rigidity can be tuned by changing the crosslinking density. These... Read More...

Circularly Polarized-Electrochemiluminescence from a Chiral Bispyrene Organic Macrocycle


Monday, 08 April 2019
F. Zinna, S. Voci, L. Arrico, E. Brun, A. Homberg, L. Bouffier, T. Funaioli, J. Lacour, N. Sojic, L. Di Bari Angew. Chem. Int. Ed., 2019. The first observation of circular polarization of electrochemiluminescence (ECL) from a purely organic derivative is reported. A bis‐pyrene scaffold mounted on a constrained polyether macrocycle displaying intense excimer fluorescence and highly circularly polarized (CP) photoluminescence has been selected for this purpose. Such compound displays an ECL... Read More...