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 …

Among the diverse development of stimuli-responsive assemblies, plasmonic nanoparticle
(NP) assemblies functionalized with responsive molecules are of a major interest. In this …

Single-atom nanozymes are a class of nanozymes with attractive enzyme-like activities.
They usually mimic oxidoreductases and lack other types of enzyme-like activities. Hence …

A dual-mode fluorescence/colorimetric sensor based on carbon quantum dots (CQDs) and
gold nanoparticles (GNPs) was developed for visual detection of malathion in cabbage. The …

Aluminum, one of the most plentiful metal ions on Earth, demonstrates toxic effects after
excessive accumulation in the environment and human bodies because it is a non-essential …

Despite possessing versatile properties and great potential for biomedical research, the
number of studies on the application of polydopamine-functionalized gold nanoparticles …

The colorimetric signal readout method is widely used in visualized analyses for its
advantages, including visualization of test results, simple and fast operations, low detection …

There is a significant interest to develop sensing devices that detect water toxins, especially
heavy metal ions. Although there have already been numerical reports on detecting toxic …

In this study, spherical silver nanoparticles (AgNPs) were fabricated using Bauhinia
variegata L. leaf extract (BvLE). The characteristic surface plasmon resonance peak (λmax) …

In this work, an electrochemical sensor was developed for ultra-sensitive determination of
aluminum ion (Al 3+) using poly (3-aminophenylboronic acid)-gold nanoparticles (PAPBA …