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.
For medical and forensic work we use luminol, an ultra-sensitive spray that fluoresces in the presence of blood. See BLOOD in ART WORKS, TESTING FOR Cancer, skin - see notes at Skin (below) Canola oil Catsup Carbon residues at fire sites Chenille fabrics Chlorophyll - glows red under UV ...
It took 28 months for the lead thief, Vincenzo Perugia, to attempt a re-sale of their stolen merchandise, and an art gallery owner quickly confirmed the item's authenticity with a glance at the stamp on the back. The dealer said he'd make sure Perugia got a reward, and instead, sent...
But based on our research over the past two years, we believe this narrative is wrong – and wrong for reasons that go beyond mere historical interest. The misunderstanding of polio has warped the public health response to modern illnesses in ways that actually make themharderto ...
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.
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.
However in ordinary forensic use such as at a crime scene, Luminol is made to be sprayed upon a surface containing dilute or old bloodstains. Obviously one should not spray artwork with this or any other reagent mixture since doing so could damage the work. In the case of Luminol, Don Do...