Background Disulfide bond formation is a key posttranslational modification, with
implications for structure, function and stability of numerous proteins. While disulfide bond …

Thioredoxin and glutaredoxin systems in mammalian cells utilize thiol and selenol groups to
maintain a reducing intracellular redox state acting as antioxidants and reducing agents in …

Here we report a graphene oxide amplified electrogenerated chemiluminescence (ECL) of
quantum dots (QDs) platform and its efficient selective sensing for antioxidants. Graphene …

Glutathione (GSH) plays an important role in the biological system and serves many cellular
functions. Since all of the biothiols possess similar functional groups, it is still challenging to …

In this paper, a novel and simple colorimetric method for the determination of reduced
glutathione (GSH) based on Fe3O4 magnetic nanoparticles (MNPs) as peroxidase mimetics …

In this study, a hybrid nanocomposite consisting of a conducting polymer and gold
nanoparticles (AuNPs) is fabricated onto a screen-printed carbon electrode (SPCE). A thin …

This study describes a novel Au nanocluster-based fluorescent sensor for label-free,
separation-free and selective detection of cysteamine (CSH). The sensing mechanism is …

The electrocatalytic oxidation of cysteine at screen-printed electrode (SPE) modified with
electrogenerated poly (3, 4-ethylenedioxythiophene) film (PEDOT) was investigated. Cyclic …

Recently, the development of electrochemical biosensors as part of microfluidic devices has
garnered a great deal of attention because of the small instrument size and portability …

Due to unique physico-chemical properties of–SH moiety thiols comprise wide group of
biologically important compounds. A review devoted to biological functions of glutathione …