A label-free fluorescent aptasensor for detection of staphylococcal enterotoxin A based on aptamer-functionalized silver nanoclusters

X Zhang, IM Khan, H Ji, Z Wang, H Tian, W Cao, W Mi - Polymers, 2020 - mdpi.com
Staphylococcal enterotoxin A (SEA) is a worldwide public health problem accounting for the
majority of food poisoning which is produced by Staphylococcus aureus, threatening human …

A Novel Fluorescence Aptasensor Based on Magnetic Beads/Gold Nanoparticles/DNA-Stabilized Silver Nanoclusters for Detection of Salmonella Typhimurium

S Fu, X Yang, L Pang, S Cheng, D Song, X Qin, C Man… - Foods, 2022 - mdpi.com
Salmonella Typhimurium (S. Typhimurium) is a globally distributed foodborne pathogen,
which can lead to outbreaks of foodborne infectious diseases. It is essential to guarantee …

Aptamer-immobilized Gold Nanoparticles Enable Facile and On-site Detection of Staphylococcus aureus

SH Lim, YC Ryu, BH Hwang - Biotechnology and Bioprocess Engineering, 2021 - Springer
Staphylococcus aureus causes numerous illnesses and national loss in many countries.
Therefore, to prevent food poisoning outbreaks, a rapid and straightforward on-site detection …

A label-free colorimetric aptasensor based on controllable aggregation of AuNPs for the detection of multiplex antibiotics

YY Wu, P Huang, FY Wu - Food chemistry, 2020 - Elsevier
We devise a novel colorimetric aptasensor for multiplex antibiotics based on an ss-DNA
fragment coordinately controlling gold nanoparticles (AuNPs) aggregation. The …

A label-free colorimetric aptasensor based on an engineered chimeric aptamer and Au@ FeP nanocomposites for the detection of kanamycin

X Qi, L Zhang, X Wang, S Chen, X Wang - Food Control, 2023 - Elsevier
The abuse of antibiotics such as kanamycin (KAN) has caused severe environmental
pollution and health threat, attracting considerable attention for the monitoring of antibiotic …

Development of a colorimetric aptasensor fabricated with a group-specific aptamer and AuNPs@ Fe2+ nanozyme for simultaneous detection of multiple diarrheic …

L Li, R Ma, Y Zhao, L Wang, S Wang, X Mao - Talanta, 2022 - Elsevier
Abstract Okadaic acid (OA), dinophysistoxin-1 (DTX-1), and dinophysistoxin-2 (DTX-2) are
the main diarrheic shellfish poisons (DSPs). Detection methods to achieve simultaneous …

Aptamer based biosensors for detection of Staphylococcus aureus

M Shahdordizadeh, SM Taghdisi, N Ansari… - Sensors and Actuators B …, 2017 - Elsevier
Staphylococcus aureus (S. aureus) is most common causes of hospital-acquired infections
and food-associated disease, also staphylococcal food poisoning (SFP) are known as the …

Aptasensing a class of small molecules based on split aptamers and hybridization chain reaction-assisted AuNPs nanozyme

S Wang, Y Zhao, R Ma, W Wang, L Zhang, J Li, J Sun… - Food Chemistry, 2023 - Elsevier
Constructing robust group-specific probes and non-competitive analysis methods for small
molecules in the fields of food analysis is of great significance. In this study, three diarrhetic …

A dual-mode aptasensor based on freeze–thaw induced aggregation of gold nanoparticles and FRET for Staphylococcus aureus detection

R Sun, X Zhang, T Du, Y Li, H Ma, L Zhang, H Sun… - Microchemical …, 2023 - Elsevier
The foodborne pathogen Staphylococcus aureus (S. aureus), known for its high virulence,
presents a substantial risk to food safety. In this study, we proposed a detection platform …

Gold nanoparticle-based colorimetric detection of staphylococcal enterotoxin B using ssDNA aptamers

A Liu, Y Zhang, W Chen, X Wang, F Chen - European Food Research and …, 2013 - Springer
Staphylococcal enterotoxin (SE) B is one of the most common serotype of SEs to cause
staphylococcal food poisoning. To ensure food safety, rapid and low-cost methods have …