RECENT advances in chemotherapy present the police toxicologist with the problem of extracting and identifying from viscera an increasing number of basic organic compounds. In the past, methods of ...

VERY recently, Matthias 1 has described a modified technique which may be looked upon as a combination of uni-dimensional and circular paper chromatography. In this case, substances to be ...

The Sars-CoV-2 virus has caused a pandemic which has led to nearly 100 million cases globally by the end of 2020. The development of effective vaccines and treatments by companies and governments ...