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|Type:||Artigo de periódico|
|Title:||Osmocentrifugation In Density Gradients: Application To Polymer Latex Separation.|
|Author:||Winkler-Hechenleitner Ana A.|
Costa M.Celia P.
|Abstract:||Polymer latexes can be fractionated by size and by chemical composition through osmocentrifugation. Density gradients are formed by centrifuging Ficoll and Percoll solutions in dialysis cells; mixed polymer latex zones are layered over these gradients and centrifuged again, leading to separated latex bands from which polymer may be collected and further analyzed. Zone migration rates in the osmocentrifugation experiment are faster than in standard centrifugation tubes.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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