Erratum to “Co-immobilization of cholesterol oxidase and horseradish peroxidase in a sol–gel film” [Anal. Chim. Acta 414 (2000) 43–50]

Recent advances in cholesterol biosensor

“…The ability to co-immobilize more than one biologically active component is desirable in some cases. Conducting polymers Singh et al, 2004a;Ruiz et al, 2004), carbon nanotubes (CNTs) (Guo et al, 2004;Yang et al, 2006b;Li et al, 2005), nanoparticles (NPs) Besombes et al, 1995Besombes et al, , 1997Kouassi et al, 2005), sol-gel/hydro-gels (Kumar et al, 2000;Qiaocui et al, 2005;Tan et al, 2005) and self-assembled monolayer (SAM) (Song et al, 2007;Shen and Liu, 2007;Chou and Liu, 2005) modified metals and carbon surfaces are commonly used to prepare solid electrode systems and supporting substrates. For electrochemical determination, electrodes such as platinum (Pt), gold (Au) and carbon-based materials such as graphite, carbon black and carbon fiber are preferred due to their excellent electrical and mechanical properties.…”

Cholesterol biosensor based on electrophoretically deposited conducting polymer film derived from nano-structured polyaniline colloidal suspension

“…Biosensors have attracted a great deal of interest because of their potential applications in clinical diagnostics, environmental monitoring, food pathogen detection and bioprocess monitoring [1][2][3][4][5][6][7][8][9]. Among the various biochemical parameters, estimation of cholesterol [10][11][12][13][14][15][16][17] has demanded much attention as the increased level of blood cholesterol is directly related to coronary heart diseases like hypertension, atherosclerosis and myocardial infarction.…”

“…Conducting polymers [1,18] have recently been considered as suitable matrices for immobilization of biomolecules [2][3][4][5][6][7]. This has been attributed to a number of factors such as flexibility in chemical structure required for binding with biomolecules, efficient signal transduction and unique electron transfer capabilities etc.…”

Fabrication of Sensitive Potentiometric Cholesterol Biosensor Based on Co3O4 Interconnected Nanowires

“…The properties of nanostructures are largely depending on their morphology and size of the nanoparticles [15,16], which in turn play an important role for the sensor fabrication and their performance [17][18][19][20][21][22]. Among these several nanomaterials, cobalt oxide (Co3O4) nanostructures, the cobalt (II, III) oxide is a p-type magnetic semiconductor.…”