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Food Recovery Network: Tackling Hunger One Swipe at a Time

Food Recovery Network at MU is a chapter of the national organization Swipe Out Hunger.

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Thanks to a $287,234 grant from the National ScienceFoundation, Millersville University acquired a Scanning Electron Microscope. According to Dr. Maria Schiza, associate professor of chemistry, very few small companies or universities have easy access to electron microscopy, which makes this 12-foot by 6-foot microscope unique for the area.<br /> <br /> “The primary goal for writing the NSF grant to acquire this type of microscope was to allow MU students, MU faculty and the surrounding community to use this microscope for research and teaching,” says Schiza.<br /> <br /> A Scanning Electron Microscope allows the user to image objects or features of a sample in the nanoscale, down to a 3-5 nanometers resolution. In comparison, an optical/light microscope (one that might be used in a high school classroom) can only get around 200 nm resolution for an image. An SEM is designed for observing the surface structure of a sample. The microscope’s resolution at Millersville is 3.0 nm at a magnification of 100,000x. If someone needs more detail or higher magnification than a light microscope, then they would need to use an SEM. When the electron beam hits the sample, it can generate X-rays. The energy from these X-rays can be detected and give information about the sample’s elemental composition. Thus, the SEM can be used to investigate the properties of a sample from different science disciplines like biology, chemistry, physics, earth sciences, applied engineering, manufacturing, materials science, nanotechnology and more.<br /> <br /> #scanningelectronmicroscope #scanningelectronmicroscopy
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