In some cases, luminol leads investigators to more evidence. For example, if luminol detects trace amounts of blood on a carpet, investigators may pull up the carpet and discover a lot of visible blood on the floorboards below. One problem with luminol is that the chemical reaction can destr...
During this reaction, the reddish-orange dichromate ion changes color to the green chromium ion when it reacts with the alcohol; the degree of the color change is directly related to the level of alcohol in the expelled air. To determine the amount of alcohol in that air, the reacted mixt...
A reaction occurs when the antigens on the RBCs of the donor blood react with the antibodies present in the recipient’s plasma. In other words, if donor blood of type A (contains A antigens) is given to someone with type B blood (they have anti-type A antibodies in their blood), ...
According to a 2021 study, healthy, honest communication is at the heart of successful relationships. Communication affects how each person reacts during conflict and how the couple works together to overcome internal and external stressors. Couples who don’t communicate openly often experience ongoin...
Indeed it does. Polio outbreaks, we believe, are persisting today for the same reason they arose. South Asia is simply a place where toxic interactions are triggering outbreaks that highlight the presence of the virus, like Luminol bringing out hidden blood splatters at a...
How Luminol Works How do human blood types work? How does a blood pressure gauge (sphygmomanometer) work? What is blood pressure? Blood Pressure Medications How to Remove Blood Stains Anemia or an Iron Deficiency During Pregnancy and Childbirth How Remedies for High Blood Pressure Blood Quiz More...
Have you seen investigators on crime shows who spray some stuff on a "clean" carpet and suddenly -- blood stains! Well, of all the fictional technology on TV, it turns out this stuff is real! Find out how luminol reveals the blood.
How Luminol Works How do human blood types work? How does a blood pressure gauge (sphygmomanometer) work? What is blood pressure? Blood Pressure Medications How to Remove Blood Stains Anemia or an Iron Deficiency During Pregnancy and Childbirth How Remedies for High Blood Pressure Blood Quiz More...
To begin with, when your heart stops beating, your body's cells and tissues stop receiving oxygen. Brain cells are the first to die -- usually within three to seven minutes [source: Macnair]. (Bone and skin cells, though, will survive for several days.) Blood begins draining from the ...
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