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a synthetic polymer used as a dispersing and suspending agent. Called also polyvinylpyrrolidone.
povidone-iodine (PVP-I) a complex produced by reacting iodine with the polymer povidone; it slowly releases iodine and is used as a topical antiinfective agent.


A synthetic polymer consisting mainly of linear 1-vinyl-2-pyrrolidone groups, with mean molecular weights ranging from 10,000-70,000; used as a dispersing and suspending agent; povidone with between 20,000-40,000 molecular weight has been used as a plasma extender. It is not metabolized, but is excreted unchanged by the kidney.


/poly·vi·nyl·pyr·rol·i·done/ (-vi″nil-pĭ-ro´lĭ-dōn) povidone.


see povidone; called also PVP.
References in periodicals archive ?
It has been reported that the use of soluble polyvinylpyrrolidone for RNA extraction without ultracentrifugation is suitable for eliminating proteins during RNA isolation, although polyvinylpyrrolidone interferes with phenol extraction (Woodhead et al.
Infinnium stent (Sahajanand) is composed of stainless steel platform and heparinized biodegradable polymer consisting of poly-l-lactide, poly-dl-lactide-co-glycolide, poly-l-lactide-cocaprolactone and polyvinylpyrrolidone.
Polyvinylpyrrolidone, does anything sound more delicious than that?
1M) containing 5% (W/V) Polyvinylpyrrolidone (PVPP), 2mM dithiothreitol (DTT), 0.
Characterization of humified compounds by extraction and fractionation on soil polyvinylpyrrolidone.
However, it is unable to ascertain the site of the leak; to do so, iodine 131 polyvinylpyrrolidine, iodine 125 polyvinylpyrrolidone, chromium 51-labelled albumin, chromium 51 chromic chloride, iodine 125 albumin, indium 111 chloride, indium-transferring Tc-99m diethylenetriaminepenta-acetic acid HSA, Tc-99m dextran, and Tc-99m human immunoglobulin have been used with success.
HyperDSC studies of amorphous polyvinylpyrrolidone in a model wet granulation system.
11) Superporous hydrogel system were developed to make gastric retention devices, the polyvinylpyrrolidone hydrogels showed that the hydrogels could stay in the stomach for more than 24 hours.
Another agent that has been used in previous studies to increase viscosity (Podolsky and Emlet, 1993) is the synthetic compound polyvinylpyrrolidone (PVP).
Prerequisites for successful injection were immobilisation of the sperm cell in polyvinylpyrrolidone (PVP) (group A: PVP (Medi-Cult); group B: PVP (SAGE In-Vitro Fertilization)) and mild cytoplasmic aspiration.
Once crystallization began, the pipettes were then placed in solutions of THF and water at the same temperature that contained either THF/water or THF/water plus AFPs or polyvinylpyrrolidone (PVP), a well-known clathrate inhibitor.