A useful tool for both home and office, a printer helps turn digital files into physical documents. It supports tasks like ...

An improved label-free approach for highly sensitive and selective detection of 3,3′,4,4′-tetrachlorobiphenyl (PCB-77), a type of polychlorinated biphenyl, via surface-enhanced Raman spectroscopy ...

Monitoring food quality requires the development of low-cost and sensitive analytical tools with label-free and point-of-site detection capabilities. Surface-enhanced Raman scattering (SERS) is a ...