LOS ANGELES, April 23, 2008 (PRIME NEWSWIRE) -- Universal Detection Technology (OTCBB:UDTT) (Frankfurt:PO8) (www.udetection.com), a developer of early warning monitoring technologies to protect people from bioterrorism and a provider of counter terrorism training and solutions, announced today that it has received a purchase order from an Israeli company for the Company’s Hand Held Assays (HHA).