A new biosensing tool puts the power of a high tech laboratory in the pockets of researchers in the field. This iPhone-enabled device could be used in pop-up clinics, waste management sites, refugee camps and anywhere else the mobile testing of biological materials such as blood is necessary.
Developed by researchers at the University of Illinois Urbana-Champaign, the tool consists of an iPhone cradle and an accompanying app. Although the cradle only holds about $200 worth of optical components, it performs as accurately as a $50,000 spectrophotometer.
The wedge-shaped cradle keeps the iPhone's camera aligned with a series of lenses and filaments, which are used to measure light. And at the heart of the device's biosensing capabilities is a simple microscope slide coated with a photonic material, which reflects only one wavelength of light and allows the rest of the spectrum to pass through the slide. Read more...
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