Kakita Y, Funatsu M, Miake F, Watanabe K
Faculty of Pharmaceutical Sciences, Fukuoka University, Japan.
Int J Occup Med Environ Health. 1999;12(2):123-6.
A test to sterilize pieces of cloths, which are the material of hospital white coats (doctors and nurses wears), by microwave irradiation in place of autoclaving was done using a commercial 2,450 MHz microwave oven. When pieces of cloths made of cotton (35%) and polyester (65%) were contaminated experimentally with Escherichia coli or Staphylococcus aureus and irradiated by microwave, the bacteria were killed quite rapidly according to almost first-order reaction kinetics. Only after a 20-sec irradiation, when the water content of cloths was decreased from the original 48% to 35%, the relative survivals of these bacteria fell to below 1% that of the non-irradiated control. The cloths were neither browned nor crisped, even after a 10-min irradiation of microwaves.
使用一台商用2450兆赫微波炉进行了一项测试，用微波辐射替代高压灭菌来对医院白大褂（医生和护士穿着）的布料进行消毒。当由35%的棉和65%的聚酯制成的布料被大肠杆菌或金黄色葡萄球菌实验性污染并接受微波辐射时，细菌按照几乎一级反应动力学迅速被杀死。仅在照射20秒后，当布料的含水量从原来的48%降至35%时，这些细菌的相对存活率降至未照射对照组的1%以下。即使经过10分钟的微波照射，布料也没有变黄或变脆。
