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Define Ion exchange chromatography?
In this method a reversible exchange of ions is effected. Usually resins and ionic solutes are the two components involved in ion-exchange. Ion exchange resins are of two types cation and anion exchange resins. The acidic or cation exchange resins contain sulfonic acid groups (SO3H), carboxylic groups (COOH) or phenol groups (OH).
Basic or anion exchange resins contain weakly basic amine groups (NH2) or strongly basic quarternary ammonium groups (NH4)+ OH-. The surfaces of acid resins bind cations such as H, Na+, Ca2+, NH4+. The basic or anion exchange resins carry positive charges on the surface and thus adsorb negative ions.
Exstrophy of the Bladder This is the most common major congenital defect of lower urinary and genital tract. This is found more frequently in males than in females. Exstr
How can coacervates be formed of phospholipids or polypeptides? Phospholipids are amphipathic molecules, i.e., they present a polar portion and a nonpolar portion. In contact w
Agarose gel electrophoresis is the method to analyze the size of the DNA (or RNA) fragments. In the presence of an electric field, bigger fragments of DNA move through a gel slowe
How many different proteins, each composed of 8 amino acids, can be constructed using the 20 different amino acids found in proteins?
Pathphysiology Streptococcal upper respiratory infection leads to production of antibodies. An abnormal immunological response to the upper respiratory infection with Beta- h
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Adverse effects of Abacavir In 3-9% of patients, a severe hypersensitivity reaction, usually with fever and sometimes with respiratory or gastrointestinal symptoms, malaise an
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Explain Techniques for Broken Instrument Removal Described by Gary Carr Staging platform (cutting in flat surface) a) Create straight line access to separated file using mod
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