Polyvinylpyridinioacetic acid

Nash et al. (1966) synthesised another compound, polyvinylpyridinioacetic acid, which has even greater hydrogen bonding capacity than poly-2-vinylpyridine-l-oxide and very efficiently protects macrophages from silica toxicity. This protection was confirmed by Sakabe and Koshi (1967), who also showed that it prevents the increase in acid phosphatase in macrophages following exposure to quartz particles < 2 pm in diameter. However, polybetaine was slightly more active than poly-2-vinylpyridine-1 - oxide. 

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See also in sourсe #XX -- [ ]

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