22 research outputs found
On-Line Monitoring of Cell Growth and Cytotoxicity Using Electric Cell-Substrate Impedance Sensing (ECIS)
No full textDEVELOPMENT OF A BIOSENSOR WITH IMMOBILIZED L-AMINO ACID OXIDASE FOR DETERMINATION OF L-AMINO ACIDS
No full textRapid and simple preparation of a reagentless glucose electrochemical biosensor
No full text10.1039/c2an35128eAnalyst137163800-3805ANAL
Technology behind commercial devices for blood glucose monitoring in diabetes management: A review
No full text10.1016/j.aca.2011.07.024Analytica Chimica Acta7032124-136ACAC
Electrodeposition of nickel particles on a gas diffusion cathode for hydrogen production in a microbial electrolysis cell
No full textMediatorless amperometric glucose biosensing using 3- aminopropyltriethoxysilane-functionalized graphene
No full text10.1016/j.talanta.2012.05.014Talanta9922-28TLNT
Hypoxanthine Ratio Determination in Fish Extract Using Capillary Electrophoresis and Immobilized Enzymes
No full textSelective and sensitive electrochemical detection of glucose in neutral solution using platinum-lead alloy nanoparticle/carbon nanotube nanocomposites
No full text10.1016/j.aca.2007.05.047Analytica Chimica Acta5942175-183ACAC
Immobilization of glucose oxidase into a nanoporous TiO2 film layered on metallophthalocyanine modified vertically-aligned carbon nanotubes for efficient direct electron transfer
No full textGlucose oxidase (GOD) was adsorbed into a nanoporous TiO2 film layered on the surface of an iron phthalocyanine (FePc) vertically-aligned carbon nanotube (CNT) modified electrode. A Nafion film was then dropcast on the electrode's surface to improve operational and storage stabilities of the GOD-based electrode. Scanning electron microscopy (SEM) micrographs revealed the formation of FePc and nanoporous TiO2 nanoparticles along the sidewall and the tip of CNTs. Cyclic voltammograms of the GOD electrode in neutral PBS exhibited a pair of well-defined redox peaks, attesting the direct electron transfer of GOD (FAD/FADH2) with the underlying electrode. The potential of glucose electro-oxidation under nitrogen was ~+0.12V with an oxidation current density of 65.3\u3bcAcm-2 at +0.77V. Voltammetric and amperometric responses were virtually unaffected by oxygen, illustrating an efficient and fast direct electron transfer. The modification of the CNT surface with FePc resulted in a biosensor with remarkable detection sensitivity with an oxygen-independent bioelectrocatalysis. In deaerated PBS, the biosensor displayed average response time of 12s, linearity from 50\u3bcM to 4mM, and a detection limit of 30\u3bcM (S/N=3) for glucose. \ua9 2013 Elsevier B.V.Peer reviewed: YesNRC publication: Ye
