As a natural biomolecule, DNA shows excellent bio-friendliness, programmability and
modifiability, and is an attractive building block for constructing nanostructures. In parallel …

The advantages of rapid amplification of nucleic acid without a template based on terminal
deoxyribonucleotidyl transferase (TdT) have been widely used in the field of biosensors …

Colorimetric assays have been widely developed for the detection of toxin ochratoxin A
(OTA), but most of them suffer from moderate sensitivity when they are adopted for the …

Bi-detection of chemical risks in different kinds exhibited an increasing significance for food
security considering their general concurrence and synergetic toxicity. In this study, a simple …

Lipopolysaccharides (LPS) are the major constituent on the cell envelope of all gram-
negative bacteria. They are ubiquitous in air, and are toxic inflammatory stimulators for …

An electrochemical sensor based on dual functional Cu 2+-modified metal–organic
framework nanoparticles (Cu 2+-NMOFs) for sensitive detection of bacterial …

Terminal deoxynucleotidyl transferase (TdT) is a unique DNA polymerase capable of
template-independent extension of DNA. TdT's de novo DNA synthesis ability has found …

Contaminant residue analysis in milk can provide essential assistance for safety quality and
contamination level management of milk production, which is critical for safeguarding public …

Functional nucleic acids (FNAs) have emerged as superior molecular recognition elements
with high binding affinity, specificity, and catalytic activity. Due to multiple functionalities like …

A method is described for sensitive colorimetric determination of zinc (II) ions that uses (a) a
Zn (II)-responsive hairpin DNAzyme that assists target recycling,(b) hybridization chain …