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Jean-Pierre Alcaraz
French Institute of Health and Medical Research
Inorganic chemistryChemistryLipid bilayerBiologyIon transporter
5Publications
3H-index
51Citations
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Publications 6
Newest
Abstract Quartz crystal microbalance studies have been carried out to monitor the fusion of lipid vesicles (pure 1,2-dimyristoyl-sn-glycero-3-phosphocholine, DMPC) and mixed vesicles (DMPC and 4-decylaniline). In order to increase the stability of the lipid deposits onto the electrodes, we have developed an original approach involving electrografting of adsorbed mixed vesicles. Aryldiazonium salts generated in situ from 4-decylaniline (4DA) present in adsorbed and fused mixed vesicles at the ele...
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#1Jean-Pierre Alcaraz (French Institute of Health and Medical Research)H-Index: 3
#2Philippe Cinquin (French Institute of Health and Medical Research)H-Index: 20
Last. Donald K. Martin (French Institute of Health and Medical Research)H-Index: 20
view all 3 authors...
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#1Awatef Ben Tahar (French Institute of Health and Medical Research)
#2Abdelkader Zebda (French Institute of Health and Medical Research)H-Index: 12
Last. Donald K. Martin (French Institute of Health and Medical Research)H-Index: 20
view all 7 authors...
We designed a supported lipid bilayer (SLB) biomimetic membrane system that comprised polyaniline (PANI) to support a lipid bilayer membrane that incorporated Na+/H+ transporter proteins (NhaA) to give the system the capability of controllable electrogenic ion transport. The high turnover rate of NhaA (∼105 per min) provides the basis for this PANI-SLB-NhaA system to be a high-speed rechargeable biocapacitor that functions as a low-energy-consuming fast switch for biological engineering applicat...
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#1Abdelkader Zebda (French Institute of Health and Medical Research)H-Index: 12
#2Jean-Pierre Alcaraz (French Institute of Health and Medical Research)H-Index: 3
Last. Donald K. Martin (French Institute of Health and Medical Research)H-Index: 20
view all 8 authors...
Abstract There is a growing interest in the design and engineering of operational biofuel cells that can be implanted. This review highlights the recent progress in the electrochemistry of biofuel cell technologies, but with a particular emphasis on the medical and physiological aspects that impact the biocompatibility of biofuel cells operating inside a living body. We discuss the challenge of supplying power to implantable medical devices, with regard to the limitations of lithium battery tech...
20 CitationsSource
#1Jean-Pierre Alcaraz (French Institute of Health and Medical Research)H-Index: 3
#2Sarra El Ichi-Ribault (French Institute of Health and Medical Research)H-Index: 2
Last. Donald K. Martin (French Institute of Health and Medical Research)H-Index: 20
view all 7 authors...
Une biopile enzymatique implantable est un dispositif produisant du courant uniquement a partir du glucose et de l’oxygene naturellement et constamment presents dans l’organisme. Les enzymes presentes aux electrodes oxydent le glucose et reduisent l’oxygene, ce qui genere un flux d’electrons dans un circuit electrique associe. Cette microcentrale electrique, qui peut fournir une tension de presque un volt, pourra alimenter sur une longue periode la future generation de robots implantables. Tout ...
3 CitationsSource
#1S. El Ichi (French Institute of Health and Medical Research)H-Index: 1
#2Abdelkader Zebda (French Institute of Health and Medical Research)H-Index: 12
Last. Donald K. Martin (French Institute of Health and Medical Research)H-Index: 20
view all 11 authors...
A 3D nanofibrous network of compressed chitosan in the presence of genipin as the cross-linker, carbon nanotubes and laccase constitutes a new design to enhance the stability and the biocompatibility of biocathodes. The in vitro delivered current was around −0.3 mA mL−1 for 20 days under continuous discharge. A thin film made of chitosan cross-linked with genipin was synthesized and optimized for oxygen and glucose diffusion. This film was used as a biocompatible barrier on the surface of biocat...
28 CitationsSource
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