Relevant properties of gold nanoparticles, such as stability and biocompatibility, together
with their peculiar optical and electronic behavior, make them excellent candidates for …

Recent developments have greatly improved the sensitivity of optical sensors based on
metal nanoparticle arrays and single nanoparticles. We introduce the localized surface …

Nile red and Nile blue are highly fluorescent and photostable organic dyes from the benzo
[a] phenoxazine family. They have been used as histological stains for imaging lysosomes …

Nanoparticles (NPs) are useful as matrixes for the analyses of several types of biomolecules
(including aminothiols, peptides, and proteins) and for mass spectrometric imaging through …

A simple hydrothermal method of preparing highly photocatalytic graphene-ZnO-Au
nanocomposites (G-ZnO-Au NCs) has been developed. Zinc acetate and graphene oxide …

We have developed a simple method for the selective colorimetric detection of aqueous
mercuric (Hg2+), silver (Ag+), and lead (Pb2+) ions by using label-free gold nanoparticles …

Great endeavors are undertaken to find effective nanoparticles to replace organic matrices
for the analysis of small molecules using laser desorption ionization mass spectrometry (LDI …

Nanoparticle assisted laser desorption/ionization mass spectrometry (NPs-ALDI-MS) shows
remarkable characteristics and has a promising future in terms of real sample analysis. The …

This paper describes the use of aptamer-modified gold nanoparticles (Apt− AuNPs) as
selective probes and AuNPs as the surface-assisted laser desorption/ionization (SALDI) …

A colorimetric, label-free, and nonaggregation-based gold nanoparticles (Au NPs) probe
has been developed for the detection of Pb2+ in aqueous solution, based on the fact that …