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A. Srinivasan, J. Roche, V. Ravaine and A. Kuhn
Soft Matter, 2015, 11, 3958-3962

In the present work, we introduce a new approach for the synthesis of asymmetric particles made from electrically conducting polyaniline-alginate hydrogels by using bipolar electrochemistry. Such an intrinsic break of symmetry allows the soft beads to exhibit tunable motion at the air/water interface when loaded with ethanol due to controllable directed release of the solvent.

2015-5

Redox- and pH-Responsive Nanogels Based on Thiolated Poly(aspartic acid)
lundi 25 juillet 2016
Enikő Krisch, Léa Messager, Benjámin Gyarmati, Valérie Ravaine, and András Szilágyi Macromol. Mater. Eng. 2016, 301(3), 260–266 Nanogels loaded with fluorescent dextran as a model drug are... Read More...
Wall slip across the jamming transition of soft thermoresponsive particles
lundi 25 juillet 2016
Thibaut Divoux, Véronique Lapeyre, Valérie Ravaine, and Sébastien Manneville Phys. Rev. E 2015, 92, 060301(R) Flows of suspensions are often affected by wall slip, that is, the fluid velocity Vf... Read More...
Differential Photoluminescent and Electrochemiluminescent Behavior for Resonance Energy Transfer Processes in Thermoresponsive Microgels
lundi 25 juillet 2016
Florent Pinaud, Romain Millereux, Pierre Vialar-Trarieux, Bogdan Catargi, Sandra Pinet, Isabelle Gosse, Neso Sojic, Valérie Ravaine J. Phys. Chem. B, 2015, 119 (40), pp 12954–12961... Read More...
One-Step Preparation of Bifunctionalized Surfaces by Bipolar Electrografting
mercredi 30 décembre 2015
L. Koefoed, K. Shimizu, S. U. Pedersen, K. Daasbjerg, A. Kuhn, and D. Zigah RSC Adv., 2015, DOI: 10.1039/c5ra20156j Bipolar electrochemistry (BPE) is widely used to trigger electrochemical reactions... Read More...
Original Dual Microelectrode: Writing and Reading a local click reaction with Scanning Electrochemical Microscopy
jeudi 5 novembre 2015
V. Badets, D. Duclos, D. Quinton, O. Fontaine, D. Zigah Electrochimica Acta, 2015, doi:10.1016/j.electacta.2015.10.066 A dual gold-copper microelectrode (diameter 25 μm) was fabricated to be... Read More...
Electrogenerated Chemiluminescence of Cationic Triangulene Dyes: Crucial Influence of the Core Heteroatoms
jeudi 5 novembre 2015
C. Adam, A. Wallabregue, H. Li, J. Gouin, R. Vanel, S. Grass, J. Bosson, L. Bouffier, J. Lacour and N. Sojic. Chem. Eur. J., 2015, 21, 19243-19249. Trianguleniums are fascinating conjugated... Read More...
Solid-State Bipolar Electrochemistry: Polymer-Based Light-Emitting Electrochemical Cells
jeudi 5 novembre 2015
S. Chen, G. Wantz, L. Bouffier and J. Gao. ChemElectroChem, 2016, 3, 392-398. We present solid-state, polymer-based, light-emitting electrochemical cells incorporating bipolar electrodes (BPEs)... Read More...
Guiding pancreatic beta-Cells to target Electrodes in a whole-cell Biosensor for Diabetes
vendredi 25 septembre 2015
E. Pedraza, A. Karajić, M. Raoux, R. Perrier, A. Pirog, F. Lebreton, S. Arbault, J. Gaitan, S. Renaud, A. Kuhn, J. Lang Lab Chip, 2015, 15, 3880–3890 We are developing a cell-based bioelectronic... Read More...
The EChemPen: A Guiding Hand To Learn Electrochemical Surface Modifications
mercredi 23 septembre 2015
M. Valetaud, G. Loget, J. Roche, N. Hüsken, Z. Fattah, V. Badets, O. Fontaine, D. Zigah. J. Chem. Educ., 2015, 92 (10), pp 1700–1704. The Electrochemical Pen (EChemPen) was developed as an... Read More...
Bipolar Electrografting on the Inner Wall of Carbon Nanotubes
mercredi 23 septembre 2015
C. Kumsapaya, J. Limtrakul, A. Kuhn, D. Zigah, C. Warakulwit. ChemElectroChem, 2016, 3, 410-414. Vertically aligned carbon nanotubes were grown over the inner wall of the pores of an anodic aluminum... Read More...
Single-Step Screening of the Potential Dependence of Metal Layer Morphologies Along Bipolar Electrodes
lundi 7 septembre 2015
G. Tisserant, J. Gillion, J. Lannelongue, Z. Fattah, P. Garrigue, J. Roche, D. Zigah, B. Goudeau, A. Kuhn and L. Bouffier.  ChemElectroChem, 2016, 3, 387-391. The preparation of surface... Read More...
Enantioselective Recognition of DOPA by mesoporous Platinum imprinted with Mandelic acid
vendredi 24 juillet 2015
T. Yutthalekha, C. Warakulwit, J. Limtrakul, A. Kuhn Electroanalysis, 2015, Special Issue Advanced Materials, in press Chiral imprinted mesoporous platinum was electrochemically synthesized in the... Read More...
Bottom-up Generation of Miniaturized Coaxial Double Electrodes with tunable Porosity
vendredi 24 juillet 2015
A. Karajić, S. Reculusa, M. Heim, P. Garrigue, S. Ravaine, N. Mano, A. Kuhn Adv. Mater. Interfaces, 2015, in press We report the bottom-up design of a fully integrated and miniaturized... Read More...
3D electrogenerated chemiluminescence: from surface-confined reactions to bulk emission
jeudi 11 juin 2015
M. Sentic, S. Arbault, L. Bouffier, D. Manojlovic, A. Kuhn and N. Sojic.   Chem. Sci., 2015, 6, 4433-4437.   Among luminescence techniques, electrogenerated chemiluminescence (ECL) provides... Read More...
Synthesis of conducting asymmetric hydrogel particles showing autonomous motion
jeudi 28 mai 2015
A. Srinivasan, J. Roche, V. Ravaine and A. KuhnSoft Matter, 2015, 11, 3958-3962 In the present work, we introduce a new approach for the synthesis of asymmetric particles made from electrically...
Shearforce Positioning of Nanoprobe Electrode Arrays for Scanning Electrochemical Microscopy Experiments
mardi 12 mai 2015
C. Adam, F. Kanoufi, N. Sojic and M. Etienne. Electrochim. Acta, 2015, in press. Shearforce detection was applied to the controlled positioning of nanotip arrays at air/solid and liquid/solid... Read More...
Generation of Metal Composition Gradients by Means of Bipolar Electrodeposition
mercredi 18 mars 2015
G. Tisserant, Z. Fattah, C. Ayela, J. Roche, B. Plano, D. Zigah, B. Goudeau, A. Kuhn and L. Bouffier.  Electrochim. Acta, 2015, 179, 276-281. Bipolar electrochemistry is an unconventional... Read More...
Effects of 50 Hz Magnetic Fields on Gap Junctional Intercellular Communication in NIH3T3 Cells
mercredi 18 février 2015
Y. Percherancier, B. Goudeau, R. Charlet de Sauvage, F. Poulletier de Gannes, E. Haro, A. Hurtier, N. Sojic, I. Lagroye, S. Arbault, and B. Veyret Bioelectromagnetics, 2015, 36, 4, 287-293. The... Read More...
Synthesis of Multivalent Silica Nanoparticles combining both Enthalpic and Entropic Patchiness
vendredi 16 janvier 2015
C. Hubert, C. Chomette, A. Désert, M. Sun, M. Treguer, S. Mornet, A. Perro, E. Duguet, S. Ravaine Faraday Discuss., 2015, 181, 139-146 Silica particles with a controlled number of entropic patches,... Read More...
Linking Glucose Oxidation to Luminol-based Electrochemiluminescence using bipolar Electrochemistry
mercredi 10 décembre 2014
V. Eßmann, D. Jambrec, A. Kuhn, W. Schuhmann Electrochem. Comm. 2015, 50, 77–80. The range of potential analytes for bipolar electrochemistry can be significantly extended by modification of... Read More...