[Study of microorganism sterilization by instant microwave and electromagnetic pulse].
The sterilization effects of constant electromagnetic wave and instant pulse on foods and traditional Chinese medical pills are introduced in this paper. From the velum's voltage variation caused by the outward electric filed,the dielectric properties of membranaceous ion and the pass rate of the membranaceous ion, we could analyze the biological heating effect and the biological non-heating effect. The sterilization effect of constant electromagnetic wave is based on the biological heating effect, while the instant electromagnetic pulse is based on the biological non-heating effect. With the applied electronic field, the voltage of membrane could increase, which results in the gates of K+ open, and the flowing out of K+. And the variation of the membranaceous voltage makes the gates of Ca2+ open. The Ca2+ of large consistency could come into the cell by the gradient of voltage. It could induce the death of the cells. The greater the variation of membranaceous voltage becomes, the higher will be the death rate of the cells.
Lu
Zhiyuan
Z
Xidian University, Xi'an 710071, China. zylu@mail.xidian.edu.cn
Shi
Pinpin
P
Zhu
Manzuo
M
Sun
Wenquan
W
Ding
Hua
H
Hou
Jianqiang
J
D004574:Electromagnetic Fields; D004581:Electronics / Q000295:instrumentation; D008872:Microwaves; D013242:Sterilization / Q000379:methods*