About 111,000 results
Open links in new tab
  1. Polymerase chain reaction (PCR) | Definition, Steps, Applications ...

    Jul 3, 2026 · polymerase chain reaction (PCR), a technique used to make numerous copies of a specific segment of DNA quickly and accurately.

  2. 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 …

  3. 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 …

  4. 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.

  5. Polymerase Chain Reaction (PCR) Fact Sheet - National Human …

    Aug 17, 2020 · Polymerase chain reaction (PCR) is a technique used to "amplify" small segments of DNA.

  6. Polymerase Chain Reaction (PCR) - National Human Genome

    2 days ago · Polymerase chain reaction (abbreviated PCR) is a laboratory technique for rapidly producing (amplifying) millions to billions of copies of a specific segment of DNA, which can then be …

  7. PCR Tests: MedlinePlus Medical Test

    Sep 19, 2024 · 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 …

  8. PCR Machine (Thermal Cycler): Principle, Parts, Types, Uses, Examples

    Jul 12, 2025 · PCR machine is also known as thermal cyclers or DNA amplifiers, or thermocyclers. PCR machines amplify small segments of DNA or RNA chosen from the genome with a primer. It is …

  9. PCR Basics - Thermo Fisher Scientific - US

    The polymerase chain reaction, or PCR, is one of the most well-known techniques in molecular biology. PCR involves a series of temperature cycles that enable the replication of DNA segments, making it …

  10. Polymerase Chain Reaction (PCR)- Principle, Procedure, Types ...

    Aug 10, 2022 · PCR uses the enzyme DNA polymerase that directs the synthesis of DNA from deoxynucleotide substrates on a single-stranded DNA template. DNA polymerase adds nucleotides …