The objective is to fractionate and isolate bioactive small molecules, peptides from a complex plant extract, and proteins from pathogenic microbes by employing liquid-phase isoelectric focusing (IEF) method. Further, the separated molecules were identified and their bioactivity confirmed.
Veerapandian, R., Paudyal, A., Chang, A., Vediyappan, G. Separation of Bioactive Small Molecules, Peptides from Natural Sources and Proteins from Microbes by Preparative Isoelectric Focusing (IEF) Method. J. Vis. Exp. (160), e61101, doi:10.3791/61101 (2020).