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 Wysłany: Nie 18:39, 30 Sty 2011 Temat postu: Cheap MAC Cosmetics Porous Cu2O nanoparticles modi |
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Porous Cu2O nanoparticles modified electrode detection of NADH
JJ. Nanotechnol0gy [J], 2009,20:1. r21] MoirouxJ, ElvingJ. Ana1. Chem. [J], 1978,50:1056. r22] JacgfeldtH. Electroana1. Chem. [J], 1980,110:295. r23] BlaedelW, JenkinsR. Ana1. Chem. [J], 1975,47:1337. r24] YanQP, zhaoFQ, LiGZ. E1ectroana1ysis [J], 2006,[link widoczny dla zalogowanych],18:1075. r25] KatekawaE, MaximianoF, RodriguesLL. Ana1. Chim. ActaEJ], 1999,385:345. r26] LiJW,[link widoczny dla zalogowanych], YuJJ, ZhaoFQ. Ana1. Chim. Acta [J], 2007,587:33. [27] LopezMS,[link widoczny dla zalogowanych], MecerreyesD, Lopez-CabarcosE. Biosens. Bioelectron. [J], 2006,21:2320 ThePorousCu2ONanosphereModifiedElectrodef0rtheDetectionofNADHSUNYong-bo, XUANJie, XULang, ZHUJun-jie (KPyLaboratoryofAnalyticalChemistryforLifeScience (MOE), SchoolofChemistryandChemicalEngineering, NanjingUniversity, Nanjing210093) Abstract: PorousCu2Onanospheresweresynthesizedviaspecificsurfacearea. ThisnewnanomaterialwasmixedasonochemicalroutewithlargeporesizeandwithNafionandDMF, andthemixturewasdropedonthesurfaceofglassycarbonelectrodetofabricateaCu2O/Nafion/DMF-GCmodifiedelectrode. ItisfoundthatNADHcaneffectivelyaccumulateattheelectrodeandcauseasensitiveanodicDeakatabout600mV (vs.SCE) inpH a 7.0phosphatebuffersolutions. DifferentsolutionpHhasaremarkubleinfluenceontheresponseoftheelectrode, andtheoptimizedpHforNADHdeterminationisDH a 7.0. UnderthispHcondition,[link widoczny dla zalogowanych], theanodicpeakcurrentislineartoNADHconcentrationintherangeof0.01to20mmol �� L ~ withadetectionlimitof3.34tzmol �� L_. . ComparedwithCu20 a GCeleetrode, Cu, O / Nafion / DMF-GCelectrodehadbetterdetectionability, strongerantiinterferenceabilityandbetterstability. Keywords: PorousCu2Onanospheres; Nation; NADHoxidation; Electrochemistry5O1
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