A combined low‐pressure hydrogen peroxide evaporation plus hydrogen plasma treatment method for sterilization – Part 1: Characterization of the condensation process and proof‐of‐concept

A combined low‐pressure hydrogen peroxide evaporation plus hydrogen plasma treatment method for sterilization – Part 1: Characterization of the condensation process and proof‐of‐concept
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低压过氧化氢蒸发加氢等离子体处理相结合的灭菌方法 â 第 1 部分:冷凝过程的表征和概念验证

DOI:
10.1002/ppap.201600198
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发表时间:
2017
影响因子:
3.5
通讯作者:
Awakowicz P
Awakowicz P
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Stapelmann K;Fiebrandt M;Raguse M;Lackmann JW;Postema M;Moeller R;Awakowicz P

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A combined hydrogen peroxide evaporation and hydrogen low‐pressure plasma treatment process for sterilization is introduced and investigated. The combination of hydrogen peroxide evaporation followed by hydrogen plasma treatment offers an advantage regarding sterilization in complex metal geometries or in sealed sterile bags, where plasma treatment alone faces challenges. Within this contribution, the droplet size and film homogeneity after condensation is investigated by optical diagnostics. Sterilization tests with common challenge organisms show the sterilization capabilities of the combined process in a process challenge device, mimicking the worst‐case‐scenario for plasma treatment in a small metal box. Furthermore, sterilization in sealed sterile bags clearly demonstrates the advantage of the combined process, showing full spore inactivation solely for the combined process.
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