
Polymerase chain reaction - Wikipedia
PCR is fundamental to many of the procedures used in genetic testing, research, including analysis of ancient samples of DNA and identification of infectious agents. Using PCR, copies of very small …
PCR Test: What It Is, How It Works & Results - Cleveland Clinic
A PCR (polymerase chain reaction) test is a lab technique that amplifies (creates more copies) of genetic material (DNA). Healthcare providers can use PCR to test for infectious diseases, to look for …
Polymerase chain reaction (PCR) | Definition, Steps, Applications ...
3 days ago · The polymerase chain reaction (PCR) is used to make numerous copies of a specific segment of DNA quickly and accurately, enabling experiments in molecular biology, forensic …
Polymerase Chain Reaction (PCR) Fact Sheet
Aug 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.
Polymerase Chain Reaction (PCR): Principle, Enzymes, Steps, Types, …
Aug 11, 2025 · Polymerase chain reaction (PCR) is a nucleic acid amplification technique used to amplify the DNA or RNA in vitro enzymatically.
PCR Tests: MedlinePlus Medical Test
PCR (polymerase chain reaction) tests are a reliable and accurate way to diagnose certain infectious diseases, some types of cancer, and certain genetic changes. The tests check for small amounts of …
Polymerase Chain Reaction (PCR) - PubMed
Jul 7, 2025 · The polymerase chain reaction (PCR) is a frequently utilized laboratory nucleic acid amplification technique that uses Taq polymerase, a thermostable DNA polymerase isolated from …
Quantitative PCR Basics - MilliporeSigma
Quantitative PCR detection builds on basic PCR techniques and allows researchers to estimate the quantity of starting material in a sample with a much wider dynamic range.
Plasma-based digital PCR assay for early detection of gastric cancer ...
3 days ago · This methylation-based digital PCR assay enabled accurate, noninvasive detection of GC, particularly at early stages, and may facilitate timely diagnosis and curative treatment.
What is PCR? - Roche Diagnostics USA
Polymerase chain reaction (PCR), one of the most important scientific advances of the 20th century, is an efficient and cost-effective way to copy or “amplify” small segments of DNA or RNA.