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Thermal cyclers
Polymerase chain reaction (PCR) is a method widely used in molecular biology to make many copies of a specific DNA segment. Using PCR, a single copy (or more) of a DNA sequence is exponentially amplified to generate thousands to millions of more copies of that particular DNA segment. The thermal cycler (also known as a thermocycler, PCR machine or DNA amplifier) is a laboratory apparatus most commonly used to amplify segments of DNA via the polymerase chain reaction (PCR).
This same principle of amplification of PCR is employed in real-time PCR. But instead of looking at bands on a gel at the end of the reaction, the process is monitored in “real-time”. The reaction is placed into a real-time PCR machine that watches the reaction occur with a camera or detector. Real-time PCR thermal cyclers/thermocyclers carry out quantitative PCR (qPCR) for experiments in gene expression, genetic variation, genotyping, and specific detection of rare targets, bacteria, and viruses.
This same principle of amplification of PCR is employed in real-time PCR. But instead of looking at bands on a gel at the end of the reaction, the process is monitored in “real-time”. The reaction is placed into a real-time PCR machine that watches the reaction occur with a camera or detector. Real-time PCR thermal cyclers/thermocyclers carry out quantitative PCR (qPCR) for experiments in gene expression, genetic variation, genotyping, and specific detection of rare targets, bacteria, and viruses.
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