Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of ELISA (A) and ECL assay (B) for the detection of B. anthracis strain Sterne 7702 spores spiked into various suspensions of domestic powders (chalk, sugar, baking soda, flour, and milk) and soil. Black bars, signals with 2 × 105 CFU/ml of B. anthracis spores; gray bars, signals with 2 × 104 CFU/ml of B. anthracis spores; white bars, signal in the absence of spore.
