# An electrochemical aptasensor for detection of prostate-specific antigen using reduced graphene gold nanocomposite and Cu/carbon quantum dots

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- Authors: Golnaz Mehdipour, Javad Shabani Shayeh, Meysam Omidi, Mehrab Pourmadadi, Fatemeh Yazdian, Lobat Tayebi
- Journal: Biotechnology and Applied Biochemistry
- Year: 2022
- Volume: 69
- Pages: 2102-2111
- DOI: 10.1002/bab.2271
- Instrument used: openQCM

## Abstract

An electrochemical aptasensor for the detection of prostate-specific antigen (PSA) is reported, based on a reduced graphene oxide-gold nanocomposite combined with Cu/carbon quantum dots to enhance the electroactive surface and signal transduction. The QCM measurements were performed on a Novaetech (Italy) instrument with AT-cut quartz crystals.

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