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Which of the following packaging materials is suitable for Low-Temperature Gas Plasma (LTGP) and Ozone sterilization?
Non-woven fabric
Tyvek
Cardboard
Plastic containers
The correct answer is: Tyvek
Tyvek is a suitable packaging material for Low-Temperature Gas Plasma (LTGP) and Ozone sterilization because it is designed to allow the penetration of gas or vapor while providing a barrier to microorganisms. This material has been specifically engineered to maintain its integrity under the conditions used during these types of sterilization processes. Its breathability is vital for the effective functioning of gas plasma and ozone sterilants, as they require a pathway for gas exchange to effectively sterilize the contents while preventing contaminants from entering. In contrast, other materials such as non-woven fabric may not offer the same level of microbial barrier properties or durability needed for these sterilization methods. Cardboard is generally not used for sterile packaging as it can absorb moisture and may not maintain sterility after exposure to sterilization processes. Plastic containers might not always allow gas penetration effectively, depending on their design and material composition, and could also alter the effectiveness of the sterilization process due to their potential chemical interactions with sterilants. Thus, Tyvek stands out as the most appropriate choice for these specific sterilization techniques.