InnovaPrep LLC has received a three-year, $1 million grant from the U.S. Department of Homeland Security to develop better ways to detect airborne agents used in bioterrorism or pandemic outbreaks. The Drexel, Mo., company, an offshoot of AlburtyLab Inc., announced the small business innovation research grant Monday. The company has received similar grants from the Food and Drug Administration and the Environmental Protection Agency. InnovaPrep makes sample concentrators that detect, isolate and…