Noble metals comprise any of several metallic chemical elements that are outstandingly
resistant to corrosion and oxidation, even at elevated temperatures. This group is not strictly …

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 …

Noble metal nanoparticles (NPs) are ideal scaffolds for the fabrication of sensing devices
because of their high surface-to-volume ratio combined with their unique optical and …

A sensor array based on the pattern recognition strategy is good at distinguishing subtle
changes of extremely similar mixtures over a wide range of analyte types. Particularly …

Aptamers have been identified against various targets as a type of chemical or nucleic acid
ligand by systematic evolution of ligands by exponential enrichment (SELEX) with high …

Exposure to even very low levels of lead, cadmium, and mercury ions is known to cause
neurological, reproductive, cardiovascular, and developmental disorders, which are more …

Heavy metal pollution is one of the most serious environmental problems, which undermines
global sustainability. Many efforts have been made to develop portable sensors for …

Nanoparticle technology plays a key role in providing opportunities and possibilities for the
development of new generation of sensing tools. The targeted sensing of selective …

A versatile green synthesis technique of pulsed laser irradiation and the sonochemical
process was used for the production of functionalized gold nanoparticles (Au NPs) in the …

Gold nanoparticles (AuNPs) are useful nanomaterials as transducers for colorimetric
sensors because of their high extinction coefficient and ability to change color depending on …