There are several suppliers for small amounts of PLGA (5 g or so). I buy from Sigma-Aldrich and Polysciences.

To address this:

• Research-Grade PLGA Sources: Some well-established suppliers such as Sigma-Aldrich (Merck) and Thermo Fisher Scientific offer a range of PLGA polymers in small research quantities, including variations in lactic/glycolic acid ratio and molecular weight. These are highly reliable for ensuring batch consistency and purity, though pricing may be higher.
• Custom and Cost-Conscious Alternatives: Several specialized chemical suppliers cater specifically to academic researchers. BOC Sciences, for example, provides research-grade PLGA and its derivatives with flexible order sizes.

I would recommend comparing technical datasheets and reaching out to these suppliers with your application specifics—many are open to accommodating student projects.

Hope this helps.

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