MAKE A MEME
View Large Image
| View Original: | Pregnancy test.svg (2010x2687) | |||
| Download: | Original | Medium | Small | Thumb |
| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Pregnancy test.svg I am declaring this to be CC0 Although you are not legally required to do so I would appreciate if you credit me Madeleine Price Ball when using my work --Madeleine <span class signature-talk >talk</span> 02 47 23 January 2013 UTC Diagram of typical immunoassay home pregnancy test which detects human chorionic gonadotropin hCG A A urine sample is applied to the stick If pregnant this should contain hCG B As the sample is absorbed into the stick it goes through free dye-labeled antibodies that recognize and stick to hCG C An anchored set of antibodies stick to and capture hCG molecules and the attached dye-labeled antibodies creating the first line In the not pregnant sample no hCG is attached to the dye-labeled antibodies so they wash past this point and no line appears D A second anchored set of antibodies captures the dye-labeled antibodies providing a positive control to indicate that the test is working properly Own Madprime Cc-0 GFDL cc-by-sa-all Immunoassays | ||||
