Detecto virus msn

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Researchers were able to successfully isolate bacteria from various fluids with a microparticle-based matrix filter. The filter trapped particles in small voids in the device, providing a larger concentration of bacteria for analysis. An added advantage of a smaller device such as this allows for multiple samples to be tested at the same time. We will be able to take a few milliliters of the water sample and run it through our device so the bacteria can be trapped and concentrated.

We can either quickly detect these bacteria in the device or release them into certain chemicals to analyze them," said Du, whose earlier work focused on devices that use the CRISPR gene-editing technology and the fundamental understanding of fluidic dynamics.

Teaming up with Lapizco-Encinas, a biomedical engineer with expertise in dielectrophoresis -- a process that uses electrical current to separate biomolecules -- their collaboration provided the increased capability toward better pathogen detection, specifically for bacteria and microalgae isolation and concentration.

We already have a concrete plan for that. The idea is to use a pair of the nano-sieve devices for sequential isolation," said Lapizco-Encinas, an associate professor in RIT's biomedical engineering department.

The new data is published in the article "Rapid Escherichia coli trapping and retrieval for bodily fluids via a three-dimensional bead-stacked nano-device," in the journal ACS Applied Materials and Interfaces.

Materials provided by Rochester Institute of Technology. Original written by Michelle Cometa.