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Explain about Bioactive materials
Bioactive materials: Certain glasses, ceramics, and glass-ceramics that contain oxides of silicon, sodium, calcium and phosphorus (SiO2 , Na2O, CaO, and P2O5 ) form a chemical bond with bone, resulting in a strong mechanical implant bone bond. These materials do bond to bone through a time-dependent, kinetic modification of the surface triggered by their implantation within living bone. An ion-exchange reaction between the bioactive implant and surrounding body fluids results in the formation of a biologically active calcium phosphate layer on the implant. This layer is chemically and crystallographically equivalent to the mineral phase in bone which is responsible for the strong interfacial bonding.
An ecosystem is a self sufficient interacting system in the biosphere. Eg. forest, desert, pond etc. almost, all the ecosystem have more or less similar fundamental plan for their
Define Anaerobic Exercise or Energy System? Thus, exercises which are done for short bursts of time lasting only for few seconds (less than 120 sec) use only anaerobic system o
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How to make and why one needs to make cDNA library??
Q. Which is the kind of muscle tissue that contracts and relaxes the heart chambers? The myocardium of the heart is made of cardiac striated muscle tissue.
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