Studies on binding of single stranded DNA with reduced graphene oxide-silver nanocomposites

Xi Li,Linqing Yang,Yunfei Wang,Zhongyu Du,Xuyan Mao,Dezhi Sun, Jun Liu, Yu Zhou,Xiangyu Xu

IET Nanobiotechnology（2020）

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摘要

The binding reaction of reduced graphene oxide-silver nanocomposites (rGO-AgNCs) with calf thymus single-stranded DNA (ssDNA) was studied by ultraviolet-visible absorption, fluorescence spectroscopy and circular dichroism (CD), using berberine hemisulphate (BR) dye as a fluorescence probe. The absorbance of ssDNA increases, but the fluorescence intensity is quenched with the addition of rGO-AgNCs....

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关键词

association,biochemistry,circular dichroism,DNA,dyes,fluorescence,fluorescence spectroscopy,graphene compounds,hydrophobicity,molecular biophysics,nanobiotechnology,nanocomposites,nanofabrication,radiation quenching,silver,ultraviolet spectra,visible spectra

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