26,29 Foreseeable Future modifications of this method could include things like replacing the PVP with polyvinylpolypyrrolidone, which is a hugely crosslinked form of PVP that may be insoluble and will be separated in subsequent therapy methods with phenol-primarily based options. Alternatively, the PVP can be taken out by using ethanol https://www.pinterest.com/pin/993958580252567417/