Boucle yarn is a loose, three ply yarn with a characteristic curly appearance. Used in weaving, knitting, and crocheting, boucle...
Cold agglutinins are antibodies that cause clumping or agglutination of RBCs at cold temperatures in individuals with certain conditions or who are infected by particular organisms. Cold agglutinins are associated with Mycoplasma pneumoniae infection. M. pneumoniae has i antigen specificity to human RBC membranes. Fetal cells largely contain i antigens, but by 18 mo most cells carry the I antigen.
Laboratory 14: Cold Agglutinin Titer MLAB 1235 Immunology/Serology3 9. Tube # 12 is the negative control and is result must be NEGATIVE. A positive result inthis tube invalidates the test result.10.Incubate all positive tubes in a 37Â°C waterbath for 15 minutes.Remove, spin andimmediately read for agglutination.ube # 12 is the negative control and is result must be NEGATIVE. A positive result inthis tube invalidates the test result.10. Incubate all positive tubes in a 37Â°C waterbath for 15 minutes. Remove, spin andimmediately read for agglutination.