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Polymerase chain reaction - Wikipedia
https://en.wikipedia.org/wiki/Polymerase_chain_reaction
WebThe polymerase chain reaction ( PCR) is a method widely used to make millions to billions of copies of a specific DNA sample rapidly, allowing scientists to amplify a very small sample of DNA (or a part of it) sufficiently to enable detailed study. PCR was invented in 1983 by American biochemist Kary Mullis at Cetus Corporation.
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What is a PCR test, and how does it work? - Medical News Today
https://www.medicalnewstoday.com/articles/what-is-pcr-test
WebFeb 28, 2022 · A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of...
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Polymerase chain reaction (PCR) (article) | Khan Academy
https://www.khanacademy.org/science/ap-biology/gene-expression-and-regulation/biotechnology/a/polymerase-chain-reaction-pcr
WebPolymerase chain reaction, or PCR, is a technique to make many copies of a specific DNA region in vitro (in a test tube rather than an organism). PCR relies on a thermostable DNA polymerase, Taq polymerase, and requires DNA primers designed specifically for the DNA region of interest.
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Polymerase Chain Reaction (PCR) Fact Sheet - National Human …
https://www.genome.gov/about-genomics/fact-sheets/Polymerase-Chain-Reaction-Fact-Sheet
WebAug 17, 2020 · Sometimes called "molecular photocopying," the polymerase chain reaction (PCR) is a fast and inexpensive technique used to "amplify" - copy - small segments of DNA. Because significant amounts of a sample of DNA are necessary for molecular and genetic analyses, studies of isolated pieces of DNA are nearly impossible …
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Polymerase chain reaction (PCR) | Definition & Steps | Britannica
https://www.britannica.com/science/polymerase-chain-reaction
WebApr 7, 2024 · polymerase chain reaction ( PCR), a technique used to make numerous copies of a specific segment of DNA quickly and accurately. The polymerase chain reaction enables investigators to obtain the large quantities of DNA that are required for various experiments and procedures in molecular biology, forensic analysis, evolutionary …
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COVID-19 diagnostic testing - Mayo Clinic
https://www.mayoclinic.org/tests-procedures/covid-19-diagnostic-test/about/pac-20488900
WebRT-PCR tests are very accurate when properly performed by a health care professional, but the rapid test can miss some cases. Antigen test. This COVID-19 test detects certain proteins in the virus. Using a long nasal swab to get a fluid sample, some antigen tests can produce results in minutes.
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Polymerase Chain Reaction (PCR) - StatPearls - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK589663/
WebMar 6, 2023 · The polymerase chain reaction (PCR) is a laboratory nucleic acid amplification technique used to denature and renature short segments of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) sequences using DNA polymerase I enzyme, an isolate from Thermus aquaticus, known as Taq DNA.
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PCR Tests: MedlinePlus Medical Test
https://medlineplus.gov/lab-tests/pcr-tests/
WebWhat are PCR tests? PCR (polymerase chain reaction) tests are a fast, highly accurate way to diagnose certain infectious diseases and genetic changes. The tests work by finding the DNA or RNA of a pathogen (disease-causing organism) or abnormal cells in a sample.
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Polymerase Chain Reaction (PCR) - National Center for …
https://www.ncbi.nlm.nih.gov/probe/docs/techpcr/
WebNov 9, 2017 · Polymerase Chain Reaction (PCR) Introduction PCR (Polymerase Chain Reaction) is a revolutionary method developed by Kary Mullis in the 1980s. PCR is based on using the ability of DNA polymerase to synthesize new strand of DNA complementary to the offered template strand. Because DNA polymerase can add a nucleotide only onto a …
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Polymerase Chain Reaction (PCR) Process Steps - Cole-Parmer
https://www.coleparmer.com/tech-article/pcr-process-steps-explained
WebMay 31, 2022 · The PCR machine steps happen in the amplification step. It begins with a segment of a DNA sample placed in a suitable tube along with the reagents and chemicals listed above. The tube is placed into the PCR machine or thermal cycler. The thermal cycler takes the solution through a 3-step process: denaturation, annealing, and extension. PCR ...
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