An optical biosensor is a specialized analytical device that utilizes the principles of optics
and light in bimolecular processes. Localized surface plasmon resonance (LSPR) is a …

Polycyclic aromatic hydrocarbons (PAHs) with carcinogenic, teratogenic and mutagenic
properties are persistent organic pollutants in the environment. Herein, the novel …

Due to the unique optical performance of optical fibers, the detection of substrate is flexible
and simple, playing a huge role in remote detection applications. The preparation of noble …

A label-free SERS sensor was successfully developed for simultaneous detection of
acetamiprid and thiram using easily synthesized bimetallic core-shell Au@ Ag …

In both the scientific and technological fields, there is a fundamental need for highly
sensitive and specific detection of chemical traces or biological targets at the single …

Ultrasensitive detection of highly toxic Cr (VI) is of paramount importance as trace amount of
Cr (VI) will result in inevitable deterioration to human health and the environment. In this …

Tetracycline (TC) is widely distributed in environment and a significant environmental
pollutant. It has been challenging to rapidly identify and effectively remove TC contaminants …

In this study, a novel surface enhanced Raman spectroscopy (SERS) sensor was developed
for the ultrasensitive determination of kanamycin in foods. The sensor used two distinct …

Rapid chemical detection of drugs of abuse in biological fluids such as blood and saliva is a
concern within medicine and law enforcement. As an outcome, a label-free detection …

The noble metal substrate components and geometries have a critical effect on surface
enhanced Raman spectroscopy, for ultra-trace molecular detection. In present work, Au-Ag …