{"wikiid":423608,"langid":"en","namespace":"CATEGORY","title":"PCR","revisionid":1214857,"contents_raw":"== Background and Identification ==\n\nPolymerase Chain Reaction (PCR) is the practice of rapidly producing millions to billions of a particular strand of DNA, in order to have quantities sufficient for study. This tactic is used often in medicine when doing any kind of genetic screening, be it [https:\/\/en.wikipedia.org\/wiki\/Tissue_typing|tissue typing] for organ match testing or [https:\/\/en.wikipedia.org\/wiki\/Preimplantation_genetic_diagnosis|preimplantation genetic diagnosis]. It is also widely used in the study of infectious diseases, as the technique allows for bacteria and viruses to be widely replicated for study. The process typically relies on [https:\/\/en.wikipedia.org\/wiki\/Thermal_cycler|thermal cycling] in order to allow for many different temperature dependent reactions to take place. As such, devices pertaining to PCR are usually capable of heating and cooling a solution to precise temperatures.\n\n== Additional Information ==\n\n* [https:\/\/en.wikipedia.org\/wiki\/Polymerase_chain_reaction|Wikipedia - Polymerase Chain Reaction]\n* [https:\/\/www.genome.gov\/about-genomics\/fact-sheets\/Polymerase-Chain-Reaction-Fact-Sheet|National Human Genome Research Institute - PCR Fact Sheet]","contents_json":{"type":"doc","content":[{"type":"heading","attrs":{"level":2},"content":[{"type":"text","text":"Background and Identification"}]},{"type":"paragraph","content":[{"type":"text","text":"Polymerase Chain Reaction (PCR) is the practice of rapidly producing millions to billions of a particular strand of DNA, in order to have quantities sufficient for study. This tactic is used often in medicine when doing any kind of genetic screening, be it "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/en.wikipedia.org\/wiki\/Tissue_typing","target":false}}],"text":"tissue typing"},{"type":"text","text":" for organ match testing or "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/en.wikipedia.org\/wiki\/Preimplantation_genetic_diagnosis","target":false}}],"text":"preimplantation genetic diagnosis"},{"type":"text","text":". It is also widely used in the study of infectious diseases, as the technique allows for bacteria and viruses to be widely replicated for study. The process typically relies on "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/en.wikipedia.org\/wiki\/Thermal_cycler","target":false}}],"text":"thermal cycling"},{"type":"text","text":" in order to allow for many different temperature dependent reactions to take place. As such, devices pertaining to PCR are usually capable of heating and cooling a solution to precise temperatures."}]},{"type":"heading","attrs":{"level":2},"content":[{"type":"text","text":"Additional Information"}]},{"type":"bulletList","attrs":[],"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/en.wikipedia.org\/wiki\/Polymerase_chain_reaction","target":false}}],"text":"Wikipedia - Polymerase Chain Reaction"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/www.genome.gov\/about-genomics\/fact-sheets\/Polymerase-Chain-Reaction-Fact-Sheet","target":false}}],"text":"National Human Genome Research Institute - PCR Fact Sheet"}]}]}]}]},"contents_rendered":"<div class=\"clearer\"><\/div><div class=\"headerContainer\"><a class=\"selfLink\" href=\"#Section_Background_and_Identification\" title=\"Link to this section\" aria-hidden=\"true\" tabindex=\"-1\"><span    class=\"fa-svg-icon\"><svg width=\"16\" height=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" overflow=\"visible\"><!--! Font Awesome Pro 7.3.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license (Commercial License) Copyright 2026 Fonticons, Inc. --><path d=\"M427.5 88c-21.4 0-42.2 6.9-59.3 19.4-11.4-11.7-24.4-22.1-38.4-30.7 27-23.6 61.7-36.7 97.7-36.7 82 0 148.5 66.5 148.5 148.5 0 39.4-15.6 77.1-43.5 105l-79.1 79.1c-27.8 27.8-65.6 43.5-105 43.5-82 0-148.5-66.5-148.5-148.5 0-17.9 3.2-35.5 9.4-51.9 4.6-12.4 18.5-18.7 30.9-14.1S259 220 254.4 232.4c-4.2 11.1-6.4 23-6.4 35.2 0 55.5 45 100.5 100.5 100.5 26.6 0 52.2-10.6 71-29.4l79.1-79.1C517.4 240.6 528 215.1 528 188.5 528 133 483 88 427.5 88zm-200 56c-26.6 0-52.2 10.6-71 29.4L77.4 252.5c-18.8 18.8-29.4 44.4-29.4 71 0 55.5 45 100.5 100.5 100.5 21.4 0 42.2-6.9 59.3-19.4 11.4 11.8 24.4 22.1 38.4 30.7-27 23.6-61.7 36.7-97.7 36.7-82 0-148.5-66.5-148.5-148.5 0-39.4 15.6-77.1 43.5-105l79.1-79.1c27.8-27.8 65.6-43.5 105-43.5 82 0 148.5 66.5 148.5 148.5 0 17.9-3.2 35.5-9.4 51.9-4.6 12.4-18.5 18.7-30.9 14.1S317 292 321.6 279.6c4.2-11.1 6.4-23 6.4-35.1 0-55.5-45-100.5-100.5-100.5z\"\/><\/svg><\/span><\/a><h2 id=\"Section_Background_and_Identification\" class=\"header\">Background and Identification<\/h2><\/div>\n\n<p>Polymerase Chain Reaction (PCR) is the practice of rapidly producing millions to billions of a particular strand of DNA, in order to have quantities sufficient for study. This tactic is used often in medicine when doing any kind of genetic screening, be it <a href=\"https:\/\/en.wikipedia.org\/wiki\/Tissue_typing\">tissue typing<\/a> for organ match testing or <a href=\"https:\/\/en.wikipedia.org\/wiki\/Preimplantation_genetic_diagnosis\">preimplantation genetic diagnosis<\/a>. It is also widely used in the study of infectious diseases, as the technique allows for bacteria and viruses to be widely replicated for study. The process typically relies on <a href=\"https:\/\/en.wikipedia.org\/wiki\/Thermal_cycler\">thermal cycling<\/a> in order to allow for many different temperature dependent reactions to take place. As such, devices pertaining to PCR are usually capable of heating and cooling a solution to precise temperatures.<\/p>\n\n<div class=\"clearer\"><\/div><div class=\"headerContainer\"><a class=\"selfLink\" href=\"#Section_Additional_Information\" title=\"Link to this section\" aria-hidden=\"true\" tabindex=\"-1\"><span    class=\"fa-svg-icon\"><svg width=\"16\" height=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" overflow=\"visible\"><!--! Font Awesome Pro 7.3.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license (Commercial License) Copyright 2026 Fonticons, Inc. --><path d=\"M427.5 88c-21.4 0-42.2 6.9-59.3 19.4-11.4-11.7-24.4-22.1-38.4-30.7 27-23.6 61.7-36.7 97.7-36.7 82 0 148.5 66.5 148.5 148.5 0 39.4-15.6 77.1-43.5 105l-79.1 79.1c-27.8 27.8-65.6 43.5-105 43.5-82 0-148.5-66.5-148.5-148.5 0-17.9 3.2-35.5 9.4-51.9 4.6-12.4 18.5-18.7 30.9-14.1S259 220 254.4 232.4c-4.2 11.1-6.4 23-6.4 35.2 0 55.5 45 100.5 100.5 100.5 26.6 0 52.2-10.6 71-29.4l79.1-79.1C517.4 240.6 528 215.1 528 188.5 528 133 483 88 427.5 88zm-200 56c-26.6 0-52.2 10.6-71 29.4L77.4 252.5c-18.8 18.8-29.4 44.4-29.4 71 0 55.5 45 100.5 100.5 100.5 21.4 0 42.2-6.9 59.3-19.4 11.4 11.8 24.4 22.1 38.4 30.7-27 23.6-61.7 36.7-97.7 36.7-82 0-148.5-66.5-148.5-148.5 0-39.4 15.6-77.1 43.5-105l79.1-79.1c27.8-27.8 65.6-43.5 105-43.5 82 0 148.5 66.5 148.5 148.5 0 17.9-3.2 35.5-9.4 51.9-4.6 12.4-18.5 18.7-30.9 14.1S317 292 321.6 279.6c4.2-11.1 6.4-23 6.4-35.1 0-55.5-45-100.5-100.5-100.5z\"\/><\/svg><\/span><\/a><h2 id=\"Section_Additional_Information\" class=\"header\">Additional Information<\/h2><\/div>\n\n<ul><li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Polymerase_chain_reaction\">Wikipedia - Polymerase Chain Reaction<\/a><\/li><li><a href=\"https:\/\/www.genome.gov\/about-genomics\/fact-sheets\/Polymerase-Chain-Reaction-Fact-Sheet\" rel=\"nofollow noopener noreferrer\">National Human Genome Research Institute - PCR Fact Sheet<\/a><\/li><\/ul>","linked_wikis":[],"can_edit":true,"available_langids":["en","de","es","fr","it","jp","ko","nl","pt","ru","tr","zh"],"ancestors":[{"dataType":"wiki","wikiid":424439,"langid":"en","title":"Laboratory Equipment","display_title":"Laboratory Equipment","namespace":"CATEGORY","summary":"Service manuals and support documentation for all kinds of medical laboratory equipment, including hospital and research laboratories.","url":"https:\/\/www.ifixit.com\/Device\/Laboratory_Equipment","text":"Service manuals and support documentation for all kinds of medical laboratory equipment, including hospital and research laboratories.","image":{"id":3076845,"guid":"hOQbhKy6EQnGfswf","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/hOQbhKy6EQnGfswf.full"},"modified_date":1711402060,"author":668072},{"dataType":"wiki","wikiid":17171,"langid":"en","title":"Medical Device","display_title":"Medical Device","namespace":"CATEGORY","summary":"Repair manuals and support documentation for devices used in a health care setting or procedure.","url":"https:\/\/www.ifixit.com\/Device\/Medical_Device","text":"Repair manuals and support documentation for devices used in a health care setting or procedure.","image":{"id":3076857,"guid":"yy4PBEHTeUqChV3B","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/yy4PBEHTeUqChV3B.full"},"modified_date":1792696418,"author":524640},{"dataType":"wiki","wikiid":11000,"langid":"en","title":"Root","display_title":"Root","namespace":"CATEGORY","summary":"","url":"https:\/\/www.ifixit.com\/Device\/Root","text":"Repair guides, manuals, and troubleshooting help for Root. Get everything you need to repair your Root yourself.","image":{"id":243440,"guid":"bhofAWyrmGwRFlak","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.large","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.full"},"modified_date":1705097689,"author":1}],"created_date":1589765100,"modified_date":1711401828,"is_troubleshooting":false,"authors":[{"userid":1,"percent":50,"username":"iRobot","avatar_url":"https:\/\/guide-images.cdn.ifixit.com\/igi\/AjiayMD6LWqf5FAL.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/1\/iRobot"},{"userid":2989458,"percent":50,"username":"Austin Blakely","avatar_url":"https:\/\/guide-images.cdn.ifixit.com\/igi\/U2yM4NVNHFvF3FV3.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/2989458\/Austin+Blakely"}],"tags":[],"unreviewed_machine_translation":false,"flags":{"WIKI_BIOMED":{"flagid":"WIKI_BIOMED","title":"Medical Equipment","text":"Neither iFixit nor this repair information is endorsed by or affiliated with the medical device manufacturer.","isFontAwesome":true,"image":"notes-medical"}},"image":{"id":2110817,"guid":"XrBPF5m3wpkipeEo","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/XrBPF5m3wpkipeEo.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/XrBPF5m3wpkipeEo.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/XrBPF5m3wpkipeEo.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/XrBPF5m3wpkipeEo.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/XrBPF5m3wpkipeEo.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/XrBPF5m3wpkipeEo.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/XrBPF5m3wpkipeEo.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/XrBPF5m3wpkipeEo.large","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/XrBPF5m3wpkipeEo.full"},"documents":[],"author":1,"display_title":"PCR","page_title":"PCR Repair","description":"Repair and service information for biomedical devices used in polymerase chain reactions.","children":[{"dataType":"wiki","wikiid":423609,"langid":"en","title":"Applied Biosystems PCR","display_title":"Applied Biosystems PCR","namespace":"CATEGORY","summary":"","url":"https:\/\/www.ifixit.com\/Device\/Applied_Biosystems_PCR","text":"Repair guides, manuals, and troubleshooting help for Applied Biosystems PCR. 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