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  2. DNA Specimen Provenance Assignment - Wikipedia

    en.wikipedia.org/wiki/DNA_Specimen_Provenance...

    DNA Specimen Provenance Assay (Assignment) (DSPA) testing can be performed on specimens from a range of medical specialty areas, such as gastroenterology, obstetrics, pulmonology, radiology, urology, etc. Molecular methods are currently available to extract DNA from a variety of sources, including fresh tissue, formalin-fixed, paraffin-embedded ...

  3. Forensic chemistry - Wikipedia

    en.wikipedia.org/wiki/Forensic_chemistry

    The stream of new formulations means that a negative test result does not necessarily rule out drugs. To avoid detection, illicit drug manufacturers frequently change the chemicals' structure slightly. These compounds are often not detected by routine toxicology tests and can be masked by the presence of a known compound in the same sample. [43]

  4. Clinical Laboratory Improvement Amendments - Wikipedia

    en.wikipedia.org/wiki/Clinical_Laboratory...

    During the retention period, specimens are considered to be part of the medical record and must be kept under a CLIA accredited laboratory to ensure compliant handling and storage conditions. [25] [26] If a specimen is sent-out to a non-CLIA biorepository and recalled, the additional testing would not be in compliance. [25]

  5. Forensic identification - Wikipedia

    en.wikipedia.org/wiki/Forensic_identification

    It is defined as “evidence with no visible staining that would likely contain DNA resulting from the transfer of epithelial cells from the skin to an object.” [22] A forensic scientist can attempt to obtain a DNA profile from the sample with as few as six cells. [22] The first step in the DNA process with a piece of evidence is extraction ...

  6. Molecular diagnostics - Wikipedia

    en.wikipedia.org/wiki/Molecular_diagnostics

    Specialist using "QIAsymphony", an automation platform for molecular diagnostic tests. Molecular diagnostics is a collection of techniques used to analyze biological markers in the genome and proteome, and how their cells express their genes as proteins, applying molecular biology to medical testing.

  7. Biobank - Wikipedia

    en.wikipedia.org/wiki/Biobank

    The specimens stored by a biobank and made available to researchers are taken by sampling. Specimen types include blood, urine, skin cells, organ tissue, and other materials. Increasingly, methods for sampling tissue specimens are becoming more targeted, sometimes involving the use of MRI to determine which specific areas of tissue should be ...

  8. A noninvasive cheek swab test could help predict aging, risk ...

    www.aol.com/noninvasive-cheek-swab-test-could...

    A simple cheek swab test called CheekAge may be able to predict a person's increase in mortality risk, according to its developers. ... (collection of gene-modifying chemicals in the blood ...

  9. Evidence packaging - Wikipedia

    en.wikipedia.org/wiki/Evidence_packaging

    Items might include DNA, drugs, hair samples, body parts, blood samples, sperm, knives, vomit, firearms, bullets, fire accelerants, computers, checkbooks, etc. Each police or fire jurisdiction has its own policies and procedures for evidence collection and handling.