Development and validation of an LC/MS/MS method for the determination of celastrol in rat plasma and its application to the pharmacokinetic evaluation of celastrol-encapsulated silk fibroin nanoparticles
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: Development and validation of an LC/MS/MS method for the determination of celastrol in rat plasma and its application to the pharmacokinetic evaluation of celastrol-encapsulated silk fibroin nanoparticles ### Output: 