A stem-loop like aptasensor for sensitive detection of aflatoxin based on graphene oxide/AuNPs nanocomposite platform

M Dadmehr, SC Shahi, M Malekkiani, B Korouzhdehi… - Food chemistry, 2023 - Elsevier
Aflatoxin as the potent carcinogenic mycotoxin had been received great attention for
detection in food industry and safety. Due to low quantity of aflatoxin in food samples, there …

A label-free fluorescent aptasensor for the detection of Aflatoxin B1 in food samples using AIEgens and graphene oxide

Y Jia, F Wu, P Liu, G Zhou, B Yu, X Lou, F Xia - Talanta, 2019 - Elsevier
The detection of Aflatoxin B1 (AFB1) has attracted extensive attention for food safety is a
worldwide public health problem. Herein, a novel, simple and label-free fluorescent …

FRET-based aptamer biosensor for selective and sensitive detection of aflatoxin B1 in peanut and rice

FS Sabet, M Hosseini, H Khabbaz, M Dadmehr… - Food Chemistry, 2017 - Elsevier
Aflatoxins are potential food pollutants produced by fungi. Among them, Aflatoxin B1 (AFB1)
is the most toxic. Therefore, a great deal of concern is associated with AFB1 toxicity. In this …

An electrochemical aptasensor based on DNA-AuNPs-HRP nanoprobes and exonuclease-assisted signal amplification for detection of aflatoxin B1

Y Hui, B Wang, R Ren, A Zhao, F Zhang, S Song, Y He - Food Control, 2020 - Elsevier
It is very essential and meaningful for detection and quantitation of aflatoxin in food and
agricultural commodities to establish a rapid and accurate detection method. Herein, a novel …

Development of aflatoxin B1 aptasensor based on wide-range fluorescence detection using graphene oxide quencher

M Joo, SH Baek, SA Cheon, HS Chun, SW Choi… - Colloids and Surfaces B …, 2017 - Elsevier
Abstract Aflatoxin B 1 (AFB 1) is a carcinogenic substance produced by fungi of genus
Aspergillus, especially Aspergillus flavus. Few nanograms of AFB 1 that permeated through …

A fluorescent aptasensor for the detection of Aflatoxin B1 by graphene oxide mediated quenching and release of fluorescence

SK Setlem, B Mondal, S Ramlal - Journal of Microbiological Methods, 2022 - Elsevier
Aflatoxin B1 contamination in food and agro commodities has been major concern of global
food safety and trade industry. There is an urgent need to develop sensitive and on-site …

Protein conjugated carboxylated gold@ reduced graphene oxide for aflatoxin B 1 detection

S Srivastava, S Abraham, C Singh, MA Ali… - RSC Advances, 2015 - pubs.rsc.org
A sensitive, reproducible, stable and label-free immunosensor has been prepared via
simultaneous reduction of graphene oxide and gold (III) salt using an eco-friendly and non …

A new amplified fluorescent aptasensor based on hairpin structure of G-quadruplex oligonucleotide-Aptamer chimera and silica nanoparticles for sensitive detection of …

SM Taghdisi, NM Danesh, M Ramezani, K Abnous - Food chemistry, 2018 - Elsevier
As one of the most toxic mycotoxins, aflatoxin B 1 (AFB 1) is a major food pollutant which can
pose a high risk to human health. In this work, an accurate fluorescent sensing method was …

Bridging Fe3O4@ Au nanoflowers and Au@ Ag nanospheres with aptamer for ultrasensitive SERS detection of aflatoxin B1

H He, DW Sun, H Pu, L Huang - Food Chemistry, 2020 - Elsevier
Abstract Aflatoxin B1 (AFB1) as the most toxic mycotoxin in contaminated food can greatly
threaten human health, and sensitive and selective detection of AFB1 is thus highly desired …

A surface-enhanced Raman scattering aptasensor for ratiometric detection of aflatoxin B1 based on graphene oxide-Au@ Ag core-shell nanoparticles complex

P Chen, C Li, X Ma, Z Wang, Y Zhang - Food Control, 2022 - Elsevier
Abstract Aflatoxin B1 (AFB1) has the strongest carcinogenesis and mutagenesis effects.
Herein, a novel ratiometric surface-enhanced Raman scattering (SERS) aptasensor based …