Visualization of Tip-Enhanced Raman Spectroscopy (TERS): This diagram illustrates the interaction of a laser beam with a sample surface through a sharp metallic tip. The red laser light excites the ...

You can’t clean up what you can’t detect. Whether it’s dealing with the aftermath of a chemical spill, checking food for adulteration, identifying an improvised explosive device (IED) or sanitizing a ...

Researchers from the field of natural sciences, find spectroscopy as an important investigatory tool. In fact, spectral analysis is extensively used by evolutionary researchers, geologists, climate ...

Introduction : colors, natural and synthetic, in the ancient world -- Discovery of the physics of color -- The chemical causes of color -- Colorant usage from antiquity to the Perkin era -- Beyond ...