Dear ResearchGate members,

I would like to know if polymers such as Polyvinyl alcohol, Polyvinyl pyrrolidone, Chitosan, Carboxymethyl cellulose, etc. (with a molecular weight less than 40 kDa) have a lambda max in UV-Vis spectroscopy. If they do, how do they not interfere with drug estimation in nanoformulations/nanoparticles (polymer-based nano)?

Thanks in advance.

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