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Chapter: Basic Concept of Biotechnology - Tools and Techniques in Biotechnology

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Manipulation of Nucleic Acids - Tools used in Biotechnology

To analyze DNA some of the specialized pieces of equipment are:

Manipulation of Nucleic Acids

 

To analyze DNA some of the specialized pieces of equipment are:

 

A.   Thermal cycler –A thermal cycler is a machine that is used foramplification of a specific section of DNA by PCR (polymerase chain reaction). The machine cycles through several temperatures, which allows an enzyme called DNA polymerase to use chemicals in solution to build DNA molecules identical to a template provided.

 

B.   Electroporator –An electroporator is used to discharge a high-voltage, high-amperage pulse of electricity of very short duration through a cuvette containing suspended cells to disrupt their plasma membranes, allowing DNA to be introduced.

 

C.   Real-time PCR –A real-time PCR machine amplifies and measuresthe production of amplicons in one step. It is a thermal cycler and fluorescent analyzer in one instrument and is usually computer-controlled. You do not have to load your product onto a gel to determine if it was made; the machine measures its production photometrically.


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