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Sterility is the inability to produce a biological child, while infertility is the inability to conceive after a certain period. [1] Sterility is rarely discussed in clinical literature and is often used synonymously with infertility. Infertility affects about 12-15% of couples globally. [2] Still, the prevalence of sterility remains unknown.
It is very important to ensure that all of the trapped air is removed from the autoclave before activation, as trapped air is a very poor medium for achieving sterility. Steam at 134 °C (273 °F) can achieve a desired level of sterility in three minutes, while achieving the same level of sterility in hot air requires two hours at 160 °C (320 ...
So SAL is used to express the probability of the survival. For example, medical device manufacturers design their sterilization processes for an extremely low SAL, such as 10 −6, which is a 1 in 1,000,000 chance of a non-sterile unit. SAL also describes the killing efficacy of a sterilization process.
Typical steam sterilization cycles are between 3 and 30 minutes at 121–134 °C (250–273 °F) at 100 kPa (15 psi), but adjustments may be made depending on the bioburden of the article being sterilized, its resistance to steam sterilization, the article's heat tolerance, and the required sterility assurance level. Following the completion of ...
Geiger HH, Schnell FW (1970) Cytoplasmic male sterility in rye (Secale cereale L.). Crop Sci 10:590-593. Schnell FW (1975) Type of variety and average performance in hybrid maize. Z Pflanzenzüchtg 74:177-188. Schnell FW (1978) Progress and problems in utilizing quantitative variability in plant breeding. Plant Research and Development 7:32-43.
Aseptic processing was derived from Olin Ball's heat-cool-fill (HCF) machine that was developed in 1927. [5] While HCF was successful in improving the sensory quality of the processed chocolate milk as compared to canned product, the use of the equipment was hindered by its cost, maintenance, and inflexibility to process various container sizes, rendering the machine a failure.
The goal of asepsis is to eliminate infection, not to achieve sterility. [1] Ideally, a surgical field is sterile, meaning it is free of all biological contaminants (e.g. fungi, bacteria, viruses), not just those that can cause disease, putrefaction, or fermentation. [1] Even in an aseptic state, a condition of sterile inflammation may develop.
[33]: 64 The original 1997 law punished contraventions with a prison sentence of one to ten years [32] and the updated law as of 5 September 2019 sets a prison sentence of at least 3 years. [33] The prison sentence is a maximum of three years if the sterilization is involuntary, under Art. 156 §2. [32] [33]: 64