enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Blood residue - Wikipedia

    en.wikipedia.org/wiki/Blood_residue

    Crime scenes are normally carefully searched for blood residue. Flashlights held at an angle to the surfaces under examination assist in this, [1] as do luminol sprays which can detect even trace amounts of blood. Presumptive tests exist with which blood can be distinguished from other reddish stains, such as of ketchup or rust, found at the ...

  3. Vacutainer - Wikipedia

    en.wikipedia.org/wiki/Vacutainer

    A vacutainer blood collection tube is a sterile glass or plastic test tube with a colored rubber stopper creating a vacuum seal inside of the tube, facilitating the drawing of a predetermined volume of liquid. Vacutainer tubes may contain additives designed to stabilize and preserve the specimen prior to analytical testing.

  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. 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.

  6. 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]

  7. 3 Top Oil Stocks to Buy Before 2024 Is Over - AOL

    www.aol.com/3-top-oil-stocks-buy-150000000.html

    Oil prices bounced around quite a bit in 2024. They rallied more than 20% at one point -- topping $85 per barrel -- before cooling off toward the end of the year.

  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. The best stocking stuffers under $25 for everyone on your list

    www.aol.com/lifestyle/the-best-stocking-stuffers...

    The Soffe shorts you grew up wearing are still popular with teens. It's not hard to see why, since they super soft and comfy. They're made of cotton and polyester, making them durable and ...