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Nicole Jaffrezic-Renault
Claude Bernard University Lyon 1
Analytical chemistryBiosensorInorganic chemistryChemistryMaterials science
474Publications
50H-index
9,038Citations
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Publications 544
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#1Xuanying Li (WUST: Wuhan University of Science and Technology)H-Index: 1
#2Mingdi Jiang (WUST: Wuhan University of Science and Technology)
Last. Zhenzhong Guo (WUST: Wuhan University of Science and Technology)H-Index: 3
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A signal multi-amplified electrochemical biosensor was fabricated for tau-441 protein, a dementia biomarker. It utilizes a carbon nanocomposite film modified gold electrode. The carbon nanocomposite film was composed of multi-walled carbon nanotubes (MWCNTs), reduced graphene oxide (rGO), and chitosan (CS). For the nanocomposite film, rGO improved the dispersibility of MWCNTs, and the effective surface area of MWCNTs was increased. On the other hand, MWCNTs also increased the interlayer spacing ...
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#1Imane Boubezari (University of Jijel)
#2A. Zazoua (University of Jijel)H-Index: 8
Last. Nicole Jaffrezic-Renault (University of Lyon)H-Index: 50
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#1Fares Zouaoui (University of Béjaïa)H-Index: 1
#2Saliha Bourouina-Bacha (University of Béjaïa)H-Index: 1
Last. Nicole Jaffrezic-Renault (University of Lyon)H-Index: 50
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Abstract The toxicological and environmental damage caused by glyphosate [N-(phosphonomethyl) glycine] (GLY) has been well documented, however, limited efforts have been made to detect it in the environment. In response to that, we report the development of an extremely sensitive electrochemical sensor for GLY detection in water. This novel concept of glyphosate sensor is based on molecularly imprinted polymer (MIPs) made of chitosan (CS) biopolymer electrochemically deposited onto a gold microe...
1 CitationsSource
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#1Nicole Jaffrezic-Renault (University of Lyon)H-Index: 50
#2Jing Kou (WUST: Wuhan University of Science and Technology)
Last. Zhenzhong Guo (WUST: Wuhan University of Science and Technology)H-Index: 3
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Endocrine disruptors (EDCs) are substances existing in the environment which affect animal and human endocrine functions and cause diseases. A small quantity of EDCs can have a serious impact on the body. Currently, enzyme-linked immunosorbent assay (ELISA), high-performance liquid chromatography (HPLC), and other traditional methods are used to detect EDCs. Although their sensitivity and reliability are good, these methods are complex, expensive, and not feasible to use in the field. Electroche...
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#2Saber Boubakri (SIDI)H-Index: 1
Last. Abdesslem Ben Haj Amara (Carthage University)H-Index: 6
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#1Coral Salvo-CominoH-Index: 1
#2Ilhem RassasH-Index: 2
Last. Nicole Jaffrezic-RenaultH-Index: 50
view all 9 authors...
Phenolic compounds such as catechol are present in a wide variety of foods and beverages; they are of great importance due to their antioxidant properties. This research presents the development of a sensitive and biocompatible molecular imprinted sensor for the electrochemical detection of catechol, based on natural biopolymer-electroactive nanocomposites. Gold nanoparticle (AuNP)-decorated multiwalled carbon nanotubes (MWCNT) have been encapsulated in a polymeric chitosan (CS) matrix. This chi...
1 CitationsSource
#1Coral Salvo-Comino (University of Valladolid)H-Index: 1
#1Coral Salvo-Comino (University of Valladolid)H-Index: 2
Last. Nicole Jaffrezic-Renault (University of Lyon)H-Index: 50
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Abstract Phenolic compounds such as catechol are present in a wide variety of foods and beverages; they are of great importance due to their antioxidant properties. Their consumption protects against the development of certain diseases such as cancer and cardiovascular diseases. A MIP chitosan (CS) film has been electrodeposited on a boron doped diamond (BDD) electrode, by chronoamperommetry in the presence of catechol, followed by elution with 0.1 M KCl. The morphology of the MIP and non-MIP (N...
1 CitationsSource
#1Mengsha Ye (WUST: Wuhan University of Science and Technology)H-Index: 1
#2Mingdi Jiang (WUST: Wuhan University of Science and Technology)
Last. Zhenzhong Guo (WUST: Wuhan University of Science and Technology)H-Index: 3
view all 9 authors...
Abstract This study presents a novel electrochemical sensor for detection of Tau-441, an Alzheimer's disease (AD) biomarker protein. The sensor comprised a glassy carbon electrode modified by chemically exfoliated single-layer reduced graphene oxide (rGO) grafted with anti-Tau antibody. Using square wave voltammetry (SWV), the electrochemical sensor yielded a linear response to Tau-441 in the 0.08 pM-80 pM concentration range, with a low detection limit of 75 fM. The sensor has been successfully...
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A voltammetric sensor for bisphenol A (BPA) detection was developed. It was based on a gold electrode modified by an electrodeposited molecularly imprinted chitosan (CS) film. Fourier Transformed Infrared spectroscopy, scanning electron microscopy and electrochemistry were used to characterize and compare the surface of the molecularly imprinted polymer (MIP) and non-molecularly imprinted polymer (NIP) films. The analytical performance of this biosensor was then established using square wave vol...
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