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Home Biodetection

Biothreat Detection Assay Developed by University of Missouri

by Global Biodefense Staff
April 30, 2013

A technique developed by University of Missouri Professor of Engineering Shubhra Gangopadhyay’s research group may make food contamination testing more rapid and accurate or accelerate response capabilities for bioterrorism events.

“Our technique uses nanoparticles to make detection one hundred times more sensitive than the standard method now used, known as ELISA. We have also reduced the time needed to detect a threat to only one hour, compared to four to six hours for ELISA,” said lead author Sangho Bok, postdoctoral fellow working under the supervision of Gangopadhyay in MU’s College of Engineering.

Currently, the testing method detects a toxin that both causes food poisoning and is considered a Select Agent for possible bioterrorism use, known as Clostriudium botulinum neurotoxin A. Engineers and biologists at MU now seek to adapt the test to detect many other dangerous pathogens. “Quickly stopping the spread of toxins saves lives, whether those toxins are from natural processes or enemy attacks,” said Bok.

Study co-author and MU research professor, Keshab Gangopadhyay, hopes to open a factory in Missouri that will manufacture the nanoparticles used in the detection technique. To achieve this goal, Gangopadhyay founded Nanos Technologies LLC.

“Science, employment and economic development are all tied together,” said Gangopadhyay. “Food safety testing presents a large market that is growing quickly in developing nations like China and India. MU engineering research helps Missouri tap into that market while creating local jobs and attracting the attention of investors.”

The study “Femtogram-level detection of Clostridium botulinum neurotoxin immunoassay using nanoporous substrate and ultra-bright fluorescent suprananoparticles,” was published in Biosensors and Bioelectronics.

Source: Adopted from MU Press Release

Tags: BioterrorismBotulinum NeurotoxinNanotech

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