Q.1
Chitosan nanoparticles are not __
EXPLANATION
Protein Engineering, Disulphide Bond Reduction (DTT, BME) and Co-Translational Protein Targeting
- Chitosan Nanoparticles in Drug Delivery:
- Chitosan: A linear cationic polysaccharide produced by alkaline deacetylation of shrimp/crab chitin ($N$-acetyl-D-glucosamine).
- It is positively charged, non-toxic, biodegradable, and biocompatible.
- While chitosan is widely used in experimental nanomedicine and recognized as a GRAS dietary/device ingredient, chitosan nanoparticles as an injectable drug delivery vehicle are not officially approved by the USFDA.
- Correct Option: Option 4 (approved by USFDA for drug delivery).
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