ELISA is an acronym for Enzyme Linked ImmunoSorbent Assay and is used in a wide variety of applications, including detecting antibodies from HIV. See the related link for moreâ¦ information. (Answer by Syama S.): ELISA is a technique used to determine the presence of antigen or antibody in a sample.
 Yellow  is a song by British alternative rock band Coldplay. The band wrote the song and co-produced it with British record producer Ken Nelson for their debut album, Parachutes (2000). The song's lyrics are a reference to band vocalist Chris Martin 's unrequited love.he song has also been performed by the Royal Philharmonic Orchestra. American musicians Petra Haden and Bill Frisell covered the song, featuring it in their album Petra Haden and Bill Frisell; the cover appears in episode 3.08 of the The O.C. . In 2006, Tre Lux covered Yellow on the cover album A Strange Gathering.
P.J.'s Yellow Ledbetter...maybe Hubbie's muse from his song Yellow Gal died unexpectedly/young, as a Vedder friend or gal may have...Hubbie Ledbetter(The famous Leadbelly) didn't write the Death Letter Blues, but he sure sang 'em/it...the lyrics from a late version of Death Letter Blues(sung by Jerry Garcia at a Dead concert in the late 60's) have many similarities to the Pearl Jam lyrics...even the original Son House lyrics for Death Letter Blues have much in common...I'm not saying ...