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A western blot is done by immobilizing cellular proteins on a thin membrane (usually PVDF or nitrocellulose) and detecting them with antibodies to specific proteins.

Briefly, cells are lysed, proteins are resolved on a gel, then proteins are transferred to a membrane, and finally the proteins are detected by enzyme-conjugated antibodies.

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12y ago
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9y ago

Western blot is used to detect any specific protein found in a sample. Normally tissue or cell lysates contain tons of different kind of proteins. By doing this analytical method one can identify the specific protein from the crude sample by antibodies.

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14y ago

Transfer of specific proteins from gel to nitrocellulose memnbrane using specific antibodies... theory s for specific identifcation of protein with specific kilo dalton(kda)...

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12y ago

Western blot: A technique in molecular Biology, used to separate and identify proteins.

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10y ago

A western blot is used for to detect proteins in tissue samples. It is used in fields such as molecular biology, biochemistry and immunogenetics. A HIV test uses a western blot.

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Q: What is the theory behind western blotting?
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How do you do western blotting from RNA?

A western blot cannot be prepared from RNA. Only a protein sample can be run with a western blotting approach. The technique used to visualize RNA on a gel is called northern blotting.


Is the principle of northern southern and western blotting is same?

yes the principle of all the three is same .the basic difference lies during probing nd detection .in case of southern blotting DNA is used in nothern rna and in case of western blotting antibodies are ued


Is there any difference between immunoblotting and western blotting or both are same?

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What techniques could be used to identify antibodies produced by a patient?

Western blotting. When Western blotting is used for identification purposes, proteins from a known organism are used to determine whether a patient's serum contains antibodies.


Which describes the transfer of polypeptide sequences to a membrane to analyze gene expression?

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What is blotting and types of blotting?

Blotting is a technique of transferring DNA or RNA or Protein from a gel to the membrane. nitrocellulose, PVDF or nylon membrane are used to attach these molecules permanently on them. Western, southern and norther blotting are the techniques used to transfer protein, DNA and RNA respectively. It is done to detect them with a specific probe or antibody. This can not be detected or easy to handle on the gel, so we do blot for these analysis.


Character of a Western blot?

Western blotting is a technique to detect specific proteins from a sample such as cell or tissue lysates. Western blot is a membrane (nitrocellulose or PVDF) on which the proteins are transferred for further analysis. Proteins on the blot are visualized by specific antibodies.


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