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  2. PCR food testing - Wikipedia

    en.wikipedia.org/wiki/PCR_food_testing

    PCR food testing is the engagement of polymerase chain reaction (PCR) technologies for the testing of food for the presence or absence of human pathogens, such as E. coli, Salmonella, Listeria, [1] etc. [2] Four sample collection sites for PCR food testing can be: The food irrigation water. The food wash water.

  3. Polymerase chain reaction optimization - Wikipedia

    en.wikipedia.org/wiki/Polymerase_chain_reaction...

    One lab area is dedicated to preparation and handling of pre-PCR reagents and the setup of the PCR reaction, and another area to post-PCR processing, such as gel electrophoresis or PCR product purification. For the setup of PCR reactions, many standard operating procedures involve using pipettes with filter tips and wearing fresh laboratory ...

  4. Polymerase chain reaction - Wikipedia

    en.wikipedia.org/wiki/Polymerase_chain_reaction

    A strip of eight PCR tubes, each containing a 100 μL reaction mixture Placing a strip of eight PCR tubes into a thermal cycler. The 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.

  5. List of purification methods in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_purification...

    Water purification combines a number of methods to produce potable or drinking water. Downstream processing refers to purification of chemicals, pharmaceuticals and food ingredients produced by fermentation or synthesized by plant and animal tissues, for example antibiotics, citric acid, vitamin E, and insulin.

  6. International Food Protection Training Institute - Wikipedia

    en.wikipedia.org/wiki/International_Food...

    The food training organization provides a blueprint for career-spanning, standards-based training curriculum that could raise the standard of food training nationwide. In 2009, The Training Institute was established after government, academic, industry, and national food safety groups collaborated, prompted by the melamine incident in 2007.

  7. Combined bisulfite restriction analysis - Wikipedia

    en.wikipedia.org/wiki/Combined_Bisulfite...

    The first few steps of COBRA, and the molecular changes caused by each step to methylated and unmethylated CpG sites. Combined Bisulfite Restriction Analysis (or COBRA) is a molecular biology technique that allows for the sensitive quantification of DNA methylation levels at a specific genomic locus on a DNA sequence in a small sample of genomic DNA. [1]

  8. Food safety - Wikipedia

    en.wikipedia.org/wiki/Food_safety

    Food safety (or food hygiene) is used as a scientific method/discipline describing handling, preparation, and storage of food in ways that prevent foodborne illness. The occurrence of two or more cases of a similar illness resulting from the ingestion of a common food is known as a food-borne disease outbreak. [ 1 ]

  9. Polymerase chain reaction inhibitors - Wikipedia

    en.wikipedia.org/wiki/Polymerase_chain_reaction...

    PCR inhibition is the most common cause of amplification failure when sufficient copies of DNA are present. [2] PCR inhibitors usually affect PCR through interaction with DNA or interference with the DNA polymerase. Inhibitors can escape removal during the DNA purification procedure by binding directly to single or double-stranded DNA. [3]

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