New Technique Sees Bacterial Growth Quicker
Multimedia
·
OSTI ID:1773172
Researchers at Pacific Northwest National Laboratory have developed a patent-pending technique for faster and improved way to count bacteria and measure their growth, without killing the sample, by using a white light interferometer. This innovation is available for licensing. For more information, contact Commercialization Manager Jennifer Lee at jennifer.lee@pnnl.gov WLIs are microscopes that split a beam of light and then look for characteristic wavy patterns that appear in images as the two halves of the light ‘interfere’ with each other when recombined. The interference patterns translate into a measurement of different heights or textures on the surface of what’s being viewed and can track it as it changes. Using this previously unexplored approach, researchers were able to quickly see, in great detail, barely perceptible changes in heights down to three nanometers – more than 10,000 times smaller than the diameter of a human hair - in the topography of a sample. Being able to see very detailed height changes is important for bacterial colonies which, the team observed, grow slowly upward as well as out.
- Research Organization:
- PNNL (Pacific Northwest National Laboratory (PNNL), Richland, WA (United States))
- Sponsoring Organization:
- USDOE Office of Science (SC)
- OSTI ID:
- 1773172
- Country of Publication:
- United States
- Language:
- English
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