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Define Adsorption chromatography - Basic Separation Technique?
Adsorption is surface interaction and is by number of forces, between surface atoms of solids and molecules of external solute. Adsorption chromatography comprises of systems where active absorption occurs at the surface of the solid stationary medium, often alumina or silica gel. Competition for adsorptive sites occurs between the molecules of the mixture to be separated and the molecules of mobile phase, be it gas or liquid.
The speed of migration of a component will depend on its adsorptive affinity relative to the other species present. A number of attractive forces (Vander Waal forces, hydrogen bonding etc.) between the stationary phase and substances to be separated have been recognized and separation takes place due to differences in these adsorption forces.
VARI A TION S - Defined as "dissimilarities of features among members of the same species". Offsprings of same parent are different and also differ from their parent.
Explain Microtube and Hedstorm file removal technique A Hedstorm file was then passed down the length of the tube until it engaged itself tightly between the obstruction an
Q. Explain the Physiologic mechanism of osseointegration It has been suggested that the physiologic mechanism for maintaining osseous integration is a sustained evolution in re
What is mucoperiosteal flap Silk is easy to handle, ties with a slip knot, and is relatively inexpensive compared with other nonabsorbable suture materials currently available.
Pulse Oximetry: Procedure: Pulse Oximetry is a safe and simple method of assessing oxygenation. An advantage is that this method is noninvasive and continuous. Previously,
Fragmentation and Regeneration Both the situations mentioned above that is whether occurring naturally or accidentally, can in general, be categorized like fragmentation. Of
What can stop a normal cell from growing?
what is the name of the valve that separates the chamber?Why is that valve necessary?
Define Functions of selenium in humans? Until recently, the only known metabolic role of selenium in humans was as a component of glutathione peroxidase which along with vitami
Explain the Microscope Colony Counts and Agar Droplets? Microscope Colony Counts - The method involves counting of micro-colonies that develop on agar layered over a microsco
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