Silver-iodide-doped bioactive glass as well as preparation method and application of silver-iodide-doped bioactive glass

A technology of bioactive glass and silver iodide, which is applied in the field of biomedicine and can solve the problems of lack of sterilization/bacteriostasis
CN103301151AInactive Publication Date: 2013-09-18王林

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
王林
Publication Date
2013-09-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses silver-iodide-doped bioactive glass as well as a preparation method and an application of the silver-iodide-doped bioactive glass. The weight ratio of the silver iodide of silver-iodide-doped bioactive glass to the silver iodide of non-silver-iodide-doped bioactive glass is (90-100) to (1-10). The preparation method comprises the following steps of: weighing silver nitrate, potassium iodide and iodine according to a weight ratio of AgI; adding the non-silver-iodide-doped bioactive glass into absolute ethanol, ultrasonically processing, and fully dispersing; adding silver nitrate at first and then adding potassium iodide and iodine; uniformly ultrasonically stirring, centrifuging, filtering, washing deposits by de-ionized water, carrying out freeze drying, grinding, and sieving to obtain the silver-iodide-doped bioactive glass. The silver-iodide-doped bioactive glass is applied to preparation of drugs for preventing and treating various diseases. The silver-iodide-doped bioactive glass can be used for effectively promoting healing of human hard and soft tissue injury and inhibiting / killing bacteria, contains bioactive glass particles and silver iodide crystals, and is convenient to store, carry and use.
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Description

technical field

[0001] The invention belongs to the field of biomedicine, and in particular relates to a silver iodide-doped bioactive glass and its preparation method and application. Background technique

[0002] Normally, the growth and reproduction of various microorganisms in the human epidermis, oral cavity, vagina, etc. maintain a dynamic balance. When the body's defense function declines, bone, skin or mucous membrane damage, long-term application of antibiotics or immunosuppressants, it will lead to imbalance of flora and related diseases. The number of bacteria in the lesion area is an important factor affecting the healing of the disease. Excessive bacterial colonies produce high concentrations of bacterial waste, chronic inflammation, increased exudate, increased tissue necrosis, and enlarged areas of infection. When the number of bacteria burdened per gram of tissue is greater than 10 5 When it is left or right, its wound (ulcer surface) generally does not he...

Claims

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