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  2. Laboratory specimen - Wikipedia

    en.wikipedia.org/wiki/Laboratory_specimen

    Variety of microbiological samples. A laboratory specimen is sometimes a biological specimen of a medical patient's tissue, fluids, or other samples used for laboratory analysis to assist in differential diagnosis or staging of a disease process. These specimens are often the most reliable method of diagnosis, depending on the ailment.

  3. Tandem mass tag - Wikipedia

    en.wikipedia.org/wiki/Tandem_mass_tag

    In analytical chemistry, a tandem mass tag (TMT) is a chemical label that facilitates sample multiplexing in mass spectrometry (MS)-based quantification and identification of biological macromolecules such as proteins, peptides and nucleic acids.

  4. Food sampling - Wikipedia

    en.wikipedia.org/wiki/Food_sampling

    Food sampling is a process used to check that a food is safe and that it does not contain harmful contaminants, or that it contains only permitted additives at acceptable levels, or that it contains the right levels of key ingredients and its label declarations are correct, or to know the levels of nutrients present.

  5. Biological specimen - Wikipedia

    en.wikipedia.org/wiki/Biological_specimen

    Biological specimens in an elementary school science lab. A biological specimen (also called a biospecimen) is a biological laboratory specimen held by a biorepository for research. Such a specimen would be taken by sampling so as to be representative of any other specimen taken from the source of the specimen. When biological specimens are ...

  6. Fluorescent tag - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_tag

    S. cerevisiae septins revealed with fluorescent microscopy utilizing fluorescent labeling. In molecular biology and biotechnology, a fluorescent tag, also known as a fluorescent label or fluorescent probe, is a molecule that is attached chemically to aid in the detection of a biomolecule such as a protein, antibody, or amino acid.

  7. Microscope slide - Wikipedia

    en.wikipedia.org/wiki/Microscope_slide

    A set of standard 75 by 25 mm microscope slides. The white area can be written on to label the slide. A microscope slide (top) and a cover slip (bottom) A microscope slide is a thin flat piece of glass, typically 75 by 26 mm (3 by 1 inches) and about 1 mm thick, used to hold objects for examination under a microscope.

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