SUPRAMOLECULAR ARCHITECTURE BASED ON THE SELF-ASSEMBLING OF MULTI-WALL CARBON NANOTUBES DISPERSED IN POLYHISTIDINE AND GLUCOSE OXIDASE: CHARACTERIZATION AND ANALYTICAL APPLICATIONS FOR GLUCOSE BIOSENSING

DALMASSO PABLO; M. L. PEDANO; G. A. RIVAS

ELSEVIER ADVANCED TECHNOLOGY

Lugar: Amsterdam; Año: 2012

font size="1"> We reportforthefirsttimethedevelopmentofasensitiveandselectiveglucosebiosensorbasedonthe self-assemblingofmultiwallcarbonnanotubes(MWCNTs)dispersedinpolyhistidine(Polyhis)and glucoseoxidase(GOx)onglassycarbonelectrodes(GCE).Thesupramoleculararchitecturewas characterizedbySEM,FT-IRandelectrochemicaltechniques.Theoptimummultistructurewas obtainedwithfive(MWCNT-Polyhis/GOx)bilayersandonelayerofNafionasanti-interferentbarrier. The sensitivityat0.700Vwas(1.9470.03) mAM1 (r¼0.9991),withalinearrangebetween0