With the application of nanotechnology in medicine, it is of great value to control drug release, reduce side effects, improve efficacy, and develop targeted drug therapy.
Specific applications of nanomaterials in medicine:
1. Nanoparticles will facilitate the transportation of drugs in the human body. Smart drugs wrapped in layers of nanoparticles can enter the human body and actively search and repair damaged tissues.
2. New diagnostic devices using nanotechnology can diagnose diseases by detecting proteins and DNA in small amounts of blood. Nanoparticles are small enough to flow freely through blood vessels, so they can be used to examine and treat lesions in various parts of the body.
3. Made in nanoscale size will be silver ultra fine particles, and then make it attached on cotton fabrics. Silver has prevent decay and accelerate the wound healing effect, sharp increase of the surface of the silver after treatment with nanotechnology, surface structure change, sterilization ability raise about 200 times, for clinical common surgical infection bacteria have good inhibitory effect.
4. As a drug delivery system, particles and nanosomes have the basic properties of non-toxic, stable, good biological properties and no chemical reaction with drugs. The nano system is mainly used for drug delivery with large toxic and side effects, short biological half-life and easy degradation by biological enzymes.
5. Nanobiology is used to study biological processes at the nanoscale, so as to develop molecular application engineering based on biological principles. After covering the surface of ultrafine particles of iron with a layer of polymer with a thickness of 5 ~ 20nm, a large number of proteins, especially enzymes, can be fixed to control biochemical reactions. This is of great use in biochemical technology and enzyme engineering. Combining nanotechnology with biology, studying molecular biological devices and using nanosensors, biological information inside cells can be obtained, so as to understand the state of the body and deepen the interpretation of physiology and pathology.
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