PROTEIN PURIFICATION STRATEGY

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SHOJAEI N.

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Seminar Paper

Paper Information

Seminar: IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY
Year:2007 | Issue:18

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Title

PROTEIN PURIFICATION STRATEGY

Author(s)

SHOJAEI N.

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Abstract

Protein purification varies from simple one-step precipitation procedures to large scale validated production processes. Often more than one purification step is necessary to reach the desired purity. The key to successful and efficient protein purification is to select the most appropriate techniques, optimize their performance to suit the requirements and combine them in a logical way to maximize yield and minimize the number of steps required. Most purification schemes involve some form of chromatography. As a result chromatography has become an essential tool in every laboratory where protein purification is needed. Different chromatography techniques with different selectivity’s can form powerful combinations for the purification of any biomolecule. The development of recombinant DNA techniques has revolutionized the production of proteins in large quantities. Recombinant proteins are often produced in forms which facilitate their subsequent chromatographic purification. However, this has not removed all challenges. Host contaminants are still present and problems related to solubility, structural integrity and biological activity can still exist. In the Three Phase Strategy specific objectives are assigned to each step within the process: In the capture phase the objectives are to isolate, concentrate and stabilize the target product. During the intermediate purification phase the objective is to remove most of the bulk impurities such as other proteins and nucleic acids, endotoxins and viruses. In the polishing phase the objective is to achieve high purity by removing any remaining trace impurities or closely related substances.

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APA: Copy

SHOJAEI, N.. (2007). PROTEIN PURIFICATION STRATEGY. IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY. SID. https://sid.ir/paper/905066/en

Vancouver: Copy

SHOJAEI N.. PROTEIN PURIFICATION STRATEGY. 2007. Available from: https://sid.ir/paper/905066/en

IEEE: Copy

N. SHOJAEI, “PROTEIN PURIFICATION STRATEGY,” presented at the IRANIAN CONGRESS OF PHYSIOLOGY AND PHARMACOLOGY. 2007, [Online]. Available: https://sid.ir/paper/905066/en

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