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The Draize test is an acute toxicity test devised in 1944 by Food and Drug Administration (FDA) toxicologists John H. Draize and Jacob M. Spines. Initially used for testing cosmetics, the procedure involves applying 0.5 mL or 0.5 g of a test substance to the eye or skin of a restrained, conscious animal, and then leaving it for a set amount of time before rinsing it out and recording its effects.
A cluster of millimeter-sized, black-and-white spheres, which were eggs, ejected from frogs Ejection of the spermatozoa of male toads Animal used: Mice Rabbit African clawed frog – Xenopus laevis: Mature (male) toads – Rhinella arenarum: Duration of test: A few days after injection of urine Approximately 48 hours after injection
A study conducted at the Southern Georgia University argues that the selection of Guatemala as a location to conduct the syphilis experiments was a racially-motivated decision by U.S. authorities, considering that the study featured white physicians and researchers experimenting on subjects deemed by the U.S. as minority groups. [12]
Stanford bunny: 1993-94 [11] Greg Turk, Marc Levoy at Stanford University: Ceramic rabbit [12] 69,451 triangles [11] Figurine of unknown authorship and licensing status, scan itself released under a two-clause BSD license. A test of range scanning physical objects. Originally .ply file. Stanford dragon: 1996 [11] Stanford University: Chinese ...
The term "rabbit test" was first recorded in 1949, and was the origin of a common euphemism, "the rabbit died", for a positive pregnancy test. [4] The phrase was, in fact, based on a common misconception about the test. While many people assumed that the injected rabbit would die only if the woman was pregnant, in fact all rabbits used for the ...
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Baseline color and black and white red-free filtered images are taken prior to injection. The black and white images are filtered red-free (a green filter) to increase contrast and often gives a better image of the fundus than the color image. A 6-second bolus injection of 2-5 cc of sodium fluorescein into a vein in the arm or hand
The Heaf test, a diagnostic skin test, was long performed to determine whether or not children had been exposed to tuberculosis infection. The test was named after F. R. G. Heaf . Also known as the Sterneedle test , [ 1 ] it was administered by a Heaf gun (trademarked "Sterneedle"), [ 2 ] a spring-loaded instrument with six needles arranged in ...