Explosive trace detection (ETD) technologies play a vital role in maintaining national
security. ETD remains an active research area with many analytical techniques in …

Acts of terror and warfare threats are challenging tasks for defense agencies around the
world and of growing importance to security conscious policy makers and the general public …

Herein we demonstrate the synthesis of Ag–Cu alloy NPs through a consecutive two-step
process; laser ablation followed by laser irradiation. Initially, pure Ag and Cu NPs were …

Surface-enhanced Raman spectroscopy (SERS) technology has been reported to be able to
quickly and non-destructively identify target analytes. SERS substrate with high sensitivity …

We demonstrate the detection of picric acid (PA) and ammonium nitrate (AN) at µM
concentrations by utilizing gold (Au) nanostructures (NSs) as surface enhanced Raman …

Molecularly imprinted polymers (MIPs) have a predesigned molecular recognition capability
that can be used to build robust chemical sensors. MIP-based chemical sensors allow label …

We report a facile synthesis strategy of bimetallic ultra-thin shell-wrapped gold-palladium
(Au-Pd) core@ shell nanoparticles (NPs) employing the liquid-assisted pulsed laser ablation …

As a key precursor for nitrogenous compounds and fertilizer, ammonia affects our lives in
numerous ways. Rapid and sensitive detection of ammonia is essential, both in …

We report a simple route to design highly sensitive triangular silver nanoplates (TSNPs)-
based SERS substrate for the trace-level detection of explosive molecules. The size …

Chemical sensing and imaging technologies are of great importance in medical diagnostics
and environmental sensing due to their ability to detect and localize chemical targets and …