26,29 Long run modifications of this process could incorporate replacing the PVP with polyvinylpolypyrrolidone, that's a really crosslinked kind of PVP that is definitely insoluble and might be separated in subsequent treatment method methods with phenol-centered solutions. Alternatively, the PVP may very well be removed by way of ethanol precipitation https://www.facebook.com/NewTechFind/posts/pfbid09GcrMB8SNQcBVaVb1McNe485n7DwQkzzJnGfi7W172g9g2PkhrJNxJzjejLgKFpRl