Microbial Growth Control Physical ways Heat sterilization (including autoclave and pasteurization) Radiation(microwaves, UV, X-rays, y-rays and electrons) Filtration(depth filter, membrane filter and nucleation track (nucleopore)filterMicrobial Growth Control • Physical ways – Heat sterilization (including autoclave and pasteurization) – Radiation (microwaves, UV, X-rays, g-rays and electrons) – Filtration (depth filter, membrane filter and nucleation track (nucleopore) filter)