Nanoparticle-Enhanced Mercury Detection for Safer Cosmetics
Combining Laser Beams and Nanometallic Particles, NYCU Extends the Mercury Content Detection Threshold Limit to 0.2 ppb
Tags: National Yang Ming Chiao Tung University, Taiwan, Consumer Goods & Services, Science & Exploration
Researchers at NYCU have developed a technique combining magneto-plasmonic nanoparticles and laser beams to enhance surface Raman scattering and detect mercury levels in cosmetics. This method lowers the detection threshold to 0.2 ppb, significantly below Taiwan’s regulatory limit of 1 ppm for mercury residues. Applications include heavy metal detection in cosmetics, improving safety and compliance. The technology uses ferric oxide nanoparticles coated with silver to amplify weak Raman signals. It has the potential for more practical, non-lab-based heavy metal detection in industrial applications.
IP Type or Form Factor: Material; Process & Method
TRL: 4 - minimum viable product built in lab
Industry or Tech Area: Beauty & Aesthetics; Nanotechnology
