Roles of structural and chemical defects in graphene on quenching of nearby fluorophores
Sign Up to like & getrecommendations! Published in 2020 at "Carbon"
DOI: 10.1016/j.carbon.2020.04.067
Abstract: Abstract Oxidation scanning probe lithography was used to systematically fabricate graphene/defective graphene ribbon arrays on a graphene sheet. The tribological, structural, and chemical natures of the defects created by o-SPL were characterized using lateral force… read more here.
Keywords: structural chemical; quenching efficiency; graphene; chemical ... See more keywords
Effect of pH on fluorescence quenching of organic dyes by graphene oxide
Sign Up to like & getrecommendations! Published in 2018 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2018.04.047
Abstract: Abstract Graphene oxide (GO) has been recently used in several fluorescence sensing systems as a fluorescence quencher. The interactions between GO sheet and fluorophore directly affect the fluorescence quenching efficiency of GO. To understand these… read more here.
Keywords: graphene oxide; fluorescence quenching; fluorescence; quenching efficiency ... See more keywords
Tuning photoluminescence quenching efficiency of reduced graphene oxide substrates using silver nanoparticles
Sign Up to like & getrecommendations! Published in 2019 at "Thin Solid Films"
DOI: 10.1016/j.tsf.2018.10.053
Abstract: Abstract In this paper we report the synthesis of reduced graphene oxide doped with silver nanoparticles using aqueous extract of Psidium guajava. The dependence of photoluminescence (PL) quenching efficiency of reduced graphene oxide with variable… read more here.
Keywords: reduced graphene; quenching efficiency; silver nanoparticles; graphene oxide ... See more keywords
Adsorption–desorption nano-aptasensors: fluorescent screening assays for ochratoxin A
Sign Up to like & getrecommendations! Published in 2022 at "RSC Advances"
DOI: 10.1039/d2ra00026a
Abstract: In this study, a FRET-based fluorescent aptasensor for the detection of ochratoxin A (OTA) was optimized based on the quenching efficiency of single-walled carbon nanotubes (SWCNTs) and the binding affinity of aptamers. OTA aptamers were… read more here.
Keywords: nano aptasensors; desorption nano; quenching efficiency; adsorption desorption ... See more keywords