研究超快雷射照射大腸桿菌之滅菌效率
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2014
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此論文是研究飛秒雷射照射後，大腸桿菌活性降低的效率研究。實驗中利用30μm寬的微流道系統與800μm寬的毛細管系統(Capillary system)作為大腸桿菌接受飛秒雷射作用的流道。實驗時使用能量為250mW、波長為415nm的飛秒雷射脈衝照射大腸桿菌。此脈衝是由100fs，波長830nm的鈦-藍寶石雷射經由倍頻輸出而獲得。實驗結果顯示毛細管系統(Capillary system)的細菌量衰減對數 (Log reduction )在5小時內可達到6，也就是說由每毫升〖3.7×10〗^7個大腸桿菌經5小時照射後，具有活性的細菌數目小於10。
In this study, the efficiency of inactivation of Escherichia coli by femtosecond laser irradiation is investigated. Utilized the capillary and PDMS micro-molding fluidic system, the dependence of the efficiency of inactivation of Escherichia coli on the fluence of femtosecond laser is reported, and we found the 6-log viability reduction can be reached within 2-hour irradiation by femtosecond laser with laser output 250 mw and 415 nm in wavelength.
In this study, the efficiency of inactivation of Escherichia coli by femtosecond laser irradiation is investigated. Utilized the capillary and PDMS micro-molding fluidic system, the dependence of the efficiency of inactivation of Escherichia coli on the fluence of femtosecond laser is reported, and we found the 6-log viability reduction can be reached within 2-hour irradiation by femtosecond laser with laser output 250 mw and 415 nm in wavelength.
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大腸桿菌, 微流道系統, 飛秒雷射, 滅菌, 細菌, 輻射, Escherichia coli, micro-molding fluidic system, femtosecond laser, inactivation of bacteria, bacteria, irradiation