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02. May 2016
Introduction: Polyethylene glycol (PEG) is a polymer of choice in drug delivery systems. This USFDA-approved polymer is popular due to its tunable properties and well-established safety profile; prime requisites considered during the selection of any excipient in formulation development. Areas covered: The individual properties and applications of PEG have been discussed at length in the existing literature. However, guidance on proper selection of PEG grade to cater to one’s purpose is...