With the rapid development of biomedicine, food industry and other fields, the application of liquid nitrogen tanks is more and more extensive and has become an indispensable and important tool for scientific research and production. Liquid nitrogen tank, also known as liquid nitrogen bio-container, is a kind of biological storage container, usually used to preserve active biological materials, [...]

Fluorescence spectroscopy is a research method for analysing substances based on studying the fluorescence properties of a sample for the quantitative measurement of chemical products. What is fluorescence? Fluorescence is a type of luminescence caused by the excitation of a molecule by a photon, which puts it in an electronically excited state. Fluorescence spectroscopy uses a beam of [...]