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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.
Why in the preparation of a karyotype analysis is the use of a substance like colchicine interesting? Colchicine is a substance that disallows the formation of microtubules and
Renal Glycosuria Renal glycosuria is a condition in which the glucose is excreted in the urine in spite of normal blood sugar levels. Self Monitoring of Blood Glucose (SMBG
Explain Skin changes During Kwashiorkor? In many cases, dermatosis (changes in skin) is seen. Such changes are common in areas of friction. Dark pigmented patches, akin to sun-
Ethnobotany : This is the study of relationship between tribals and plants. Ethnobotany is from "ethnology" - study of culture or "botany" - study of plants. This is the scientific
what is glycolysis?
What are the types of cell respiration? There are two types of cell respiration: aerobic cell respiration, a reaction with participation of molecular oxygen (O2), and anaerobic
Describe in detail about the chlorophyll molecule Each chlorophyll molecule contains magnesium ion, there could be no green plants without magnesium. As magnesium is present in
Littoral and Benthic Zone Littoral Zone This is the shallow water zone, near the shore, where light penetrates to the bottom. Rooted plants can grow only in this region.
Define Health and Feeding Problems among Elderly? Malnutrition, both obesity and under nutrition, are common problems linked with elderly. Some of the common disorders such as
What about foam stability? Foam stability can be determined by two factors i.e. drainage and bubble size. The volume of the liquid drained due to gravitational forces when foam
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