Polychlorinated biphenyls (PCBs) are a class of synthetic organic compounds containing
carbon, hydrogen and chlorine atoms. They have been used in various industrial and …

Polychlorinated biphenyls (PCBs) are ubiquitous anthropogenic pollutants of major
environmental concern. They remain in the environment and disturb the whole ecosystem …

Tanshinone, a secondary metabolite derived from the medicinal plant Salvia subg.
Perovskia, possesses therapeutic properties and has the potential to serve as a viable …

Gas and liquid chromatographic methods are widely used in the analysis of organic
compounds in different types of matrices. To protect the environment, it is very important that …

A simple and sensitive method of ultrasound-assisted dispersive liquid-liquid
microextraction based on the solidification of the floating organic droplet (UA-DLLME-SFO) …

A simple, rapid, and reliable method based on dispersive solid‐phase extraction (d‐SPE)
and gas chromatography‐mass spectrometry (GC‐MS) was developed for quantitating …

Background Essential oils are utilized in various food applications and are a rich source of
naturally occurring volatile components. The extraction of essential oils has used …

Facile separation and enrichment of polychlorinated biphenyls (PCBs) in foods has been a
constantly pursuing goal in food analytical chemistry. Here, a reusable ionic liquid …

Organochlorines are common toxic contaminants in the food chain, especially in aquatic
biota, thus leading the world population to undesired exposures. The chemical analyses of …

Polychlorinated biphenyls (PCBs) are carcinogenic to humans and can be found in Fuller's
earth used for the regeneration of used transformer oil. This work describes a highly …