Advances in nanotechnology and medical science have spurred the development of
engineered nanomaterials and nanoparticles with particular focus on their applications in …

Taking advantage of the adsorption of single‐stranded DNA oligonucleotides by gold
nanoparticles (AuNPs) and the protection effect of the adsorbed DNA against salt‐induced …

Target-directed aptamer adsorption by gold nanoparticles (AuNPs) has been widely used to
develop label-free colorimetric biosensors. However, the potential interactions between …

Herein, we report a method that combined “aptamer-locker” DNA with CRISPR/Cas12a-
based biosensing for sensitive and rapid melamine analysis. Three strategies were …

Nobel metal can be used to form a category of nanoparticles, termed noble metal
nanoparticles (NMNPs), which are inert (resistant to oxidation/corrosion) and have unique …

Due to the remarkable impact of food safety on public health, accurate food safety
surveillance is a major issue in the food industry. The increasing trend of the world …

An electrochemical aptamer sensor based on gold nanoparticles (AuNPs) was developed
for highly specific sensing of melamine (MEL), which combines molecularly imprinted …

The quantification of alpha-fetoprotein (AFP) as a potential liver cancer biomarker which is
generally found in ultratrace level is of significance in biomedical diagnostics. Therefore, it is …

Antibiotics are classes of antimicrobial substances that are administered widely in the field of
veterinary science to promote animal health and feed efficiency. Cattle-administered …

In this study, we report on a redox-controllable and reversible complete “ON”/“OFF”-
switchable aptamer binding to ATP. A series of methylene blue-modified ATP–aptamers was …