What is the terminal group of PLGA 20K and 30k used to prepare sustained release formulations?

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Omar Gonzalez-Ortega

acid termination to contribute towards stabilization and useful for functionalization

Abdul Azeez Nazeer

Dear Jebun Nessa Diana ,

The terminal group of PLGA is COOH (Carboxylic group) irrespective of the number of repeating units. 20K or 30K both denote the number of repeating units and it has no impact on the nature of the terminal groups.

Jebun Nessa Diana

Abdul Azeez Nazeer Thank you so much for your answer. If possible could you please send me any reference supporting your answer?