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

The pharmaceutical industry is one of the most regulated industries worldwide, since the
drug products have to be safe and effective. The levels of impurities and degradation …

A product recall is the outcome of a careful pharmacovigilance; and it is an integral part of
drug regulation. Among various reasons for product recall, the detection of unacceptable …

Interest in the determination of elemental impurities in pharmaceuticals has increased in
recent years because of changes in regulatory requirements and the need for changing or …

Background For nearly three years, the concerns regarding trace levels of N-nitrosamines in
pharmaceuticals and the associated cancer risk have significantly expanded and are a …

Drug impurity and degradation profiling mean the detection, structure elucidation and
quantitative determination of impurities and degradation products in bulk drug materials and …

Capillary electromigration techniques have become important tools for the analysis of
pharmaceutical drugs. The present review updates on recent developments of the analysis …

对药品杂质谱的控制是保证药品安全有效的重要措施, 也是提升国产药品质量的关键环节.
自2010 年提出实施杂质谱控制的基本策略以来, 经近十年持续的努力, 国内已经形成了一个比较 …

The ability of cesium lead halide (CsPbX3; X= Cl–, Br–, I–) perovskite nanoparticles (P-NPs)
to participate in halide exchange reactions, to catalyze Finkelstein organohalide substitution …

Rifampicin is a first-line anti-tuberculosis drug. However, in August 2020, the presence of 1-
methyl-4-nitrosopiperazine (MNP), a nitrosamine impurity, was detected by the United …