How do complex mixtures of chemicals affect our health? New research has shown that chemicals that occur in complex mixtures and in concentration ratios as found in humans act together. Even if the ...

Studies of chemicals in our blood typically capture only a small and unknown fraction of the entire chemical universe. Now, a new approach aims to change that. In a study involving blood samples of ...

There are different ways to separate mixtures, for example by filtration, crystallisation, distillation, or chromatography. The method chosen depends upon the type of mixture. Periodic table - OCR ...

Humans and wildlife are exposed to hundreds of chemicals at varying doses every day, for example in the air we breathe, the water we drink, the food we eat and from the consumer products we use.