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What is the good effect of high pressure steam sterilizers using moist heat sterilization?

(Summary description)The high pressure steam sterilizers adopts the moist heat sterilization method. At the same temperature, the sterilization effect of moist heat is better than that of dry heat, for the following reasons.

What is the good effect of high pressure steam sterilizers using moist heat sterilization?

(Summary description)The high pressure steam sterilizers adopts the moist heat sterilization method. At the same temperature, the sterilization effect of moist heat is better than that of dry heat, for the following reasons.

Information

Microorganisms exist widely in the surrounding environment, and some of them are pathogenic microorganisms. From the perspective of preventing infection, aseptic operations must be strictly implemented to disinfect and sterilize the items used and the working environment. Disinfection and sterilization mainly impedes the main metabolism of microorganisms through physical and chemical factors, or denatures and solidifies bacterial proteins, or destroys its genetic material, resulting in the death of microorganisms. The high pressure steam sterilizers adopts the moist heat sterilization method. At the same temperature, the sterilization effect of moist heat is better than that of dry heat, for the following reasons.

high pressure steam sterilizers

1. The temperature required for protein coagulation is related to its water content. The greater the water content, the lower the temperature required for coagulation to occur. The bacterial protein during moist heat sterilization can absorb water and thus coagulate more easily than in hot dry air at the same temperature.

2. During the moist heat sterilization process, the steam releases a large amount of latent heat, which further increases the temperature. At the same temperature, moist heat sterilization takes less time than dry heat.

3. The penetrating power of moist heat gas is stronger than that of dry heat gas, so moist heat has better effect than dry heat. High-pressure steam can kill all microorganisms, even bacteria spores, fungal spores and other high temperature-resistant individuals. The steam temperature of sterilization increases with the increase of steam pressure. By increasing the steam pressure, the sterilization time can be greatly shortened. Therefore it is an effective, widely used sterilization method.

The prerequisite for accurate sterilization in an autoclave is the complete discharge of air. 100% of the air needs to be replaced by high pressure steam sterilizers. Only in this way can effective steam sterilization and effective humidity distribution be ensured. Residual air cannot effectively help achieve sterilization. Effect.

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Jiangsu Dengguan Medical Equipment Co., Ltd.

苏ICP备2021032787号

powered by: www.300.cn