Rapid and high precision detection of toxic metal ions is one of the chief requirements today
to combat environment pollution. Gold nanoparticles play a key role in this by assisting the …

Sensor technology for the rapid detection of the analytes with high sensitivity and selectivity
has several challenges. Despite the challenges, colorimetric sensors have been widely …

It has been more than two decades since aptamer and the systematic evolution of ligands by
exponential enrichment (SELEX) method were discovered by Larry Gold and Andrew …

In the past few decades, researchers have developed lots of artificial enzymes with various
materials to mimic the structures and functions of natural enzymes. Recently, nanozymes …

At the end of last century, the possibility to use devices based on molecular components for
the construction of a robust large-scale solar electricity production facility seemed utopic. But …

Liquid crystals (LCs), as a promising branch of highly-sensitive, quick-response, and low-
cost materials, are widely applied to the detection of weak external stimuli and have …

DNA is one of the most fascinating biopolymers. Besides its central role as carrier of genetic
information and translation of the genetic code into proteins, DNA holds great promise as a …

Nobel metal nanomaterials (NMNs) with interesting physical and chemical properties are
ideal building blocks for engineering and tailoring nanoscale structures for specific …

Sensors are devices that respond to physical or chemical stimuli and produce detectable
signals. 1r4 They are a critical extension of human perception of the world in many aspects …

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