1. Cell disruption: breaking up is hard to do;Foster;Biotechnology,1992
2. Cell disruption by homogenizer;Engler,1990
3. Bead mill disruption;Schutte,1990
4. Chemical permeabilization of cells for intracellular product release;Naglak,1990
5. Enzymatic cell lysis for product release;Asenjo,1990