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In page Polyvinylpyrrolidone:
"PVP is also used in many technical applications:
- as an aid for increasing the solubility of drugs in liquid and semi-liquid dosage forms (syrups, soft gelatine capsules) and as an inhibitor of recrystallisation[3]
- as an additive to Doro's RNA extraction buffer[citation needed]
- as a liquid-phase dispersion enhancing agent in DOSY NMR[4]