超声比能对变形杆菌和血链球菌时间依赖性失活率的影响

Q4 Biochemistry, Genetics and Molecular Biology

Acta Microbiologica Bulgarica Pub Date : 2023-03-01 DOI:10.59393/amb23390108

Ö. Kekeç, B. Gökalsın, B. Açıkgöz, D.Ö. Özdaş, C. Sesal

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引用次数: 0

摘要

近年来，超声已被用作抑制微生物的替代和增强方法。本研究的目的是通过超声波确定血链球菌和奇异变形杆菌的失活。为此，用30 kHz频率和100 W功率超声对5 × 103、1.5 × 104和3 × 104菌落形成单位(cfu/ml)浓度的细菌悬浮液进行不同超声时间的超声处理。结果表明，细菌浓度差异对抑制率有时间依赖性。并计算了不同浓度的血马尾草和绿马尾草的比能(γ)。在线性区对超声抑制速率常数随超声时间的变化进行了评价。然后，对所有数据进行t检验。血链球菌和神奇p的5 × 103、1.5 × 104和3 × 104 cfu/ml的结果分别在p= 0.02、0.02、0.006和p=0.003、0.004、0.003时具有统计学意义。

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Effects of Ultrasonic Specific Energy on Time-Dependent Inactivation Rate of Proteus mirabilis and Streptococcus sanguinis

Ultrasound has been used as an alternative and enhancer approach for the inhibition of microorgan¬isms in recent years. The purpose of the current study was to determine the inactivation of Streptococcus sanguinis and Proteus mirabilis bacteria species via ultrasound. For this purpose, bacterial suspensions with 5x103, 1.5x104, and 3x104 colony forming unit (cfu/ml) concentrations were ultra-sonicated with 30 kHz frequency and 100 W power ultrasound for various sonication time periods. As a result, time-dependent inhibition rates were observed with bacteria concentration differences. The specific energy (γ) of different concentrations of S. sanguinis and P. mirabilis was also calculated. The rate constant of ultrasonic inhibi¬tion was evaluated in the linear region against sonication time. Then, the t-test was applied to all of the data. The results of 5x103, 1.5x104, and 3x104 cfu/ml for S. sanguinis and P. mirabilis were statistically signifi¬cant at

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