Self assembled monolayers versus iron oxide nanoparticles modified surfaces: Two functionalization strategies for femtomolar detection of prostate specific antigen: Comparative study between two electrochemical biosensors for femtomolar detection of prostate specific antigen - Université de Rennes Accéder directement au contenu
Communication Dans Un Congrès Année : 2016

Self assembled monolayers versus iron oxide nanoparticles modified surfaces: Two functionalization strategies for femtomolar detection of prostate specific antigen: Comparative study between two electrochemical biosensors for femtomolar detection of prostate specific antigen

Résumé

Two electrochemical immunosensors were investigated for prostate specific antigen detection. The first one was functionalized with 3-glycidypxypropyltrimethoxysilane self-assembled monolayer, while the second one was based on iron oxide nanoparticles functionalized with 3-aminopropyltriethoxysilane. Electrochemical impedance spectroscopy and square wave voltammetry have been investigated to follow-up the prostate specific antigen detection in a phosphate buffer solution and in a human serum. The limit of detection of both immunosensors was found of order of 10 fg/ml.
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hal-01726889 , version 1 (08-03-2018)

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Nesrine Blel, Nourdin Yaakoubi, Asma Omezzine, Najla Fourati, Chouki Zerrouki, et al.. Self assembled monolayers versus iron oxide nanoparticles modified surfaces: Two functionalization strategies for femtomolar detection of prostate specific antigen: Comparative study between two electrochemical biosensors for femtomolar detection of prostate specific antigen. 2016 IEEE SENSORS, Oct 2016, Orlando, France. ⟨10.1109/ICSENS.2016.7808909⟩. ⟨hal-01726889⟩
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