单词	polyvinylpyrrolidone
释义	polyvinylpyrrolidone /ˌpɒlɪˌvʌɪn(ə)lpɪˈrɒlɪdəʊn / noun [mass noun] Chemistry A water-soluble polymer of vinyl pyrrolidone, used as a synthetic blood plasma substitute and in the cosmetic, drug, and food-processing industries.To prevent oxidation of polyphenol and its interference with activity of Taq polymerase; 2-mercaptoethanol was added to an extraction buffer and insoluble polyvinylpyrrolidone was added to leaves when they were ground.... The tunica albuginea was removed from testes and remaining tissues were placed in cold modified Dulbecco's phosphate buffered medium supplemented with 0.01% polyvinylpyrrolidone. Phyto hormones were extracted in 5 ml of 65% acetone overnight at 4°C and polyvinylpyrrolidone was added as an antioxidant.
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