The V-670 double-beam spectrophotometer utilizes a unique ... gratings (automatically exchanged): 1200 grooves/mm for the UV/VIS region; 300 grooves/mm for the NIR region. A PMT detector is ...

Gel permeation chromatography, three-dimensional excitation-emission matrix fluorescence spectroscopy, and UV-visible ...

The V-650 is a double-beam spectrophotometer with a photomultiplier tube (PMT) detector. The high sensitivity of the PMT enables accurate measurements of low (and high) concentration samples.

GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin ...

The development of simple, reliable ultraviolet and visible spectrophotometers within the last ten years has made available an analytical tool of great versatility and power. The role played by ...

A study aiming to identify fluorescent bioactive compounds in the coelomic fluid of earthworms, as well as to investigate their structural and functional characteristics for possible use in biomedical ...

Elad Harel is used to shining a light on the mysteries of the natural world. Working at the cutting-edge of ultrafast ...

Thin-disk single-cavity dual-comb lasers (TDSCs) offer a promising alternative to traditional dual-comb systems, simplifying ...

A new test developed at the University of Illinois Urbana-Champaign can predict the performance of a new type of cementitious ...

The photoelectric effect, first explained by Albert Einstein in 1905, laid the foundation for quantum mechanics. It occurs when high-energy light strikes atoms, releasing electrons. This phenomenon is ...