Silver ion antibacterial action mechanism
Silver ions can be regarded as an antibacterial material or substance. The antibacterial effect of materials is generally the adverse effects and consequences that a certain material has on the vitality of microorganisms. The concentrated expression of these adverse effects and consequences is Affect the growth, reproduction and death of microorganisms. That is to say, it inhibits the growth and reproduction of microorganisms or kills them. The relationship between antibacterial materials and microorganisms can be regarded as the relationship between microorganisms and the environment, especially environments that are toxic to microorganisms. The antibacterial action mechanism of materials has the following aspects.
(1) Interfering with cell wall synthesis. The important component of the bacterial cell wall is peptidoglycan. The interference effect of antibacterial materials on the cell wall mainly inhibits the cross-linking of polysaccharide chains and tetrapeptides, thereby causing the cell wall to lose its integrity, lose its protective effect against osmotic pressure, and damage the bacteria. die.
(2) Can damage cell membranes. The cell membrane is an important component of bacterial cell life activities. Therefore, if the cell membrane is damaged or destroyed, bacteria will die.
(3) Inhibit protein synthesis. The protein synthesis process is altered, stopped, and the bacteria die.
(4) Interference with nucleic acid synthesis. Generally speaking, it hinders the replication of genetic information, including the synthesis of DNA and RNA, and the transcription of mRNA from DNA templates.
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