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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.
Explain the Food Applications of guar Guar imparts smoothness to ice cream by promoting small ice crystals during the freezing process. Guar gum in the dressing of cot
What is the karyotype found in Down syndrome? Down syndrome is an aneuploidy, i.e., a numeric changing of chromosomes within the cells compared to the normal number of chromoso
Amino Acids and Peptide Bonds, Protein Structure - The graduate can construct models of the structure and function of amino acids and peptide bonds, predict ionization of an amin
(a) Name four examples of compounds which are classed as carbohydrate. (b) What elements are present in carbohydrates? (a) Sugars (glucose, fructose, maltose, sucro
write similaritie between the two species?
Transfer of pollen grains from the anther to the stigma of another flower of the similar plant is known as? Geitonogamy
The dietary principles underlying the enteric diet include: High calorie High protein High carbohydrate Moderate fat High fluid Low fibre and soft diet
Plastids The term plastid first used by Haeckel (1865). These are present in plants and few protists (Euglena). On the basis of function plastids are of three types
what is the process called free radicals damage body molecules
Contagious ecthyma The contagious ecthyma virus is immunologically distinct from vaccinia, but similar to the causative agent of pseudo-cow-pox. It belongs to the genus Parapoxvi
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