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 …

Surface plasmon resonance (SPR) has found extensive applications in chemi-sensors and
biosensors. Plasmons play different roles in different types of optical sensors. SPR …

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 …

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

The development of nonlinear optical (NLO) materials has been driven by a multitude of
important technological applications that can be realized if suitable materials are available …

Water is one of the essential enablers of life on earth. Beginning with the origin of the
earliest form of life in seawater, it has been central to the evolution of human civilizations …

Exposure to mercury ions can damage the human brain, the nervous system, the endocrine
system, and other biological systems. Much effort has therefore been made to develop real …

As one of the most toxic heavy metals, mercury ion (Hg 2+) has become a concern focus for
its severe threats to environment and human health. As a result, it is of great importance to …

We have developed a rapid and homogeneous method for the highly selective detection of
Hg2+ and Ag+ using Tween 20-modified gold nanoparticles (AuNPs). Citrate ions were …

Gold nanoparticles (GNPs), due to their unique physical and chemical properties, including
optical properties, are highly regarded and have extensive applications in biomedical. One …