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Advantages And Disadvantages Of Bio-Materials

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BIO-MATERIALS Bio-materials are materials that are employed for biological purposes. They come under the category of ADVANCED MATERIALS i.e. materials that have high tech applications. According to the International Union of Pure and Applied Chemistry (IUPAC), a bio-material is one which is exploited in contact with living tissues, organisms, and/or micro-organisms. Bio-materials are not a separate class of materials. Rather, they are common materials - naturally occurring or synthetically manufactured - that are deemed suitable for use in living organisms in general and humans in particular. Polymers, metals and ceramics are all examples of common biomaterials that are used in day to day medical procedures without complications. Sometimes, naturally occurring proteins such as collagen are also used as bio-materials with slight modifications, if required. Bio-materials have lots of uses in the field of medicine. They can be used for purposes as simple as a stent in cardiovascular surgery or as complex as a pacemaker or …show more content…

More specifically, piezoelectric materials can produce a voltage upon application of stress. This process also works in the opposite direction and hence they can show distort if current passes through them. Used in contact alarms and microphones. • Shape Memory Alloys/Materials These materials are pseudo elastic i.e. they can vastly alter their shape by changes in temperature and upon application of minimal stress. They are used in fire alarm systems. • Magneto restrictive materials They change their shape upon change in magnetic field. • Electro luminescent materials These materials give out light when electric current is applied to them. • Chromogenic materials Chromogenic materials exhibit change in color when they exposed o temperature changes or electrical

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