Nucleic acid drugs, also known as nucleotide drugs, mainly work at the gene level. Nucleic acid drugs can directly act on the molecules that cause diseases, and relieve the symptoms of diseases by regulating body functions without manipulating the genome, and have shown unique effects in anti-virus, anti-tumor, and anti-metabolic disorders.   At present, there […]

In the impurity research work of compound preparations, it is necessary to adopt appropriate methods to analyze and determine the source of each impurity, conduct qualitative research and attribute it, because the determination of the impurity limit must be based on a clear attribute. For example, for toxic impurities, it is necessary to clarify the

Part 1 worst Condition   Theoretically, the different equipment involved in each variety should have its own cleaning operation procedures confirmed. However, in the practice of drug production, it is impossible and unnecessary for enterprises to spend manpower, material resources, and financial resources to confirm all the equipment involved one by one. This requires enterprises