UV-Vis Spectroscopy

A number of pollutants found in the air we breathe are known to have harmful effects on human health and the environment. Consequently, correct monitoring of air quality is of great importance.

You may have certainly enjoyed an authentic honey, wine, or olive oil. Yet, each of these foods are at risk for fraud. To mitigate and investigate food fraud, researchers use analytical methods, such as spectroscopy, to analyze the constituents of food.

Ultraviolet-visible (UV-Vis) spectroscopy is a widely used technique in many areas of science ranging from bacterial culturing, drug identification and nucleic acid purity checks and quantitation, to quality control in the beverage industry and chemical research. This article will describe how UV-Vis spectroscopy works, how to analyze the output data, the technique's strengths and limitations and some of its applications.

The ability to grow microbes is an essential step in being able to utilize their power, identify harmful culprits and advance our understanding and capabilities. In this article, we consider what bacterial culture is, factors affecting culture conditions, common problems and some of the numerous applications.