Photo-enhanced electrochemical and colorimetric dual-modal aptasensing for aflatoxin B1 detection based on graphene-gold Schottky contact.
Ya WeiYuye LiShuda LiuShuyun MengDong LiuTianyan YouPublished in: Chemical communications (Cambridge, England) (2023)
A photo-enhanced electrochemical (PEEC) and colorimetric (CM) dual-modal aptasensor was developed with rGO-AuNP Schottky contact for AFB1 monitoring. The PEEC mode allowed the ultrasensitive quantitation based on the photo-enhanced electroactivity mechanism, while the CM mode offered a rapid threshold-level qualitative assay with a portable colorimeter.
Keyphrases
- gold nanoparticles
- label free
- reduced graphene oxide
- sensitive detection
- loop mediated isothermal amplification
- electron transfer
- molecularly imprinted
- quantum dots
- hydrogen peroxide
- ionic liquid
- mass spectrometry
- ms ms
- high throughput
- fluorescent probe
- liquid chromatography tandem mass spectrometry
- living cells
- liquid chromatography
- aqueous solution
- silver nanoparticles