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  2. Blood residue - Wikipedia

    en.wikipedia.org/wiki/Blood_residue

    Blood residue are the wet and dry remnants of blood, as well the discoloration of surfaces on which blood has been shed. In forensic science, blood residue can help investigators identify weapons, reconstruct a criminal action, and link suspects to the crime. [1] Analysis of blood residue is also an important technique in archeology. [2]

  3. Forensic serology - Wikipedia

    en.wikipedia.org/wiki/Forensic_serology

    The most publicized test by crime shows is the Luminol process in which a chemical is sprayed onto a surface where blood is suspected to be. [4] The chemical reacts with traces of blood, producing a chemi-luminescence, or apparent glow, as a result of the chemical reaction that occurs.

  4. Dried blood spot - Wikipedia

    en.wikipedia.org/wiki/Dried_blood_spot

    Dried blood spot testing (DBS) is a form of biosampling where blood samples are blotted and dried on filter paper. The dried samples can easily be shipped to an analytical laboratory and analysed using various methods such as DNA amplification or high-performance liquid chromatography .

  5. Trace evidence - Wikipedia

    en.wikipedia.org/wiki/Trace_evidence

    Trace evidence occurs when objects make contact, and material is transferred. This type of evidence is usually not visible to the naked eye and requires specific tools and techniques to be located and obtained. [1] Due to this, trace evidence is often overlooked, and investigators must be trained to detect it. [1]

  6. Forensic biology - Wikipedia

    en.wikipedia.org/wiki/Forensic_biology

    Forensic biology is the application of biological principles and techniques in the investigation of criminal and civil cases. [1] [2] Forensic biology is primarily concerned with analyzing biological and serological evidence in order to obtain a DNA profile, which aids law enforcement in the identification of potential suspects or unidentified remains.

  7. How Long Can You Take Semaglutide for Weight Loss? - AOL

    www.aol.com/long-semaglutide-weight-loss...

    Semaglutide was originally developed to help people with type 2 diabetes manage their blood sugar levels. That means it’s intended for long-term, even life-long use. That means it’s intended ...

  8. Rouleaux - Wikipedia

    en.wikipedia.org/wiki/Rouleaux

    Rouleaux (singular is rouleau) are stacks or aggregations of red blood cells (RBCs) that form because of the unique discoid shape of the cells in vertebrates. The flat surface of the discoid RBCs gives them a large surface area to make contact with and stick to each other; thus forming a rouleau.

  9. Venipuncture - Wikipedia

    en.wikipedia.org/wiki/Venipuncture

    There are times when a blood culture collection is required. The culture will determine if there are pathogens in the blood. Normally blood is sterile. When drawing blood from cultures use a sterile solution such as Betadine rather than alcohol. This is done using sterile gloves, while not wiping away the surgical solution, touching the ...