Immunomagnetic-Electrochemiluminescent Detection of Bacillus anthracis Spores in Soil Matrices.
Rapid (<=1.5-h) detection of anthrax spores in soil suspensions was accomplished by an immunomagnetic electrochemiluminescence method. Strain-dependent detection limits in the range of 10(sup2) to 10(sup5) spores were achieved in buffer. The rank order of sensitivity for the assay in buffer was Sterne > Ames > Vollum 1B. Detection was up to 3 orders of magnitude less sensitive in soil suspensions, and the rank order of sensitivity was altered.
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