Researchers, clearly annoyed with having to carry a phone and a microscope to work every day on their bicycles, have developed a mobile add on to help diagnose disease.
The Cellscope, from the University of California Berkeley, snaps on the back of a standard Nokia mobile with 3.2MP camera, and uses normal magnifying optics combined with elements of a fluorescence microscope, giving resolution of over one millionth of a metre.
The latter part is especially important, as using fluorescence helps pick out certain molecules under different lights, and lets the viewer know of the presence of certain diseases.
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For some diseases, this can be the only method of easily seeing whether they are apparent in the sample, so combining it with a mobile phone is a step towards easy convergence.
Healthcare on the cheap
The advantage of the current invention is it circumvents some of the cost of a standard fluorescence microscope, with the hope it can be used in developing nations where healthcare is at a lower standard.
"There are other people who have been working on developing portable fluorescent microscopes," said David Breslauer, a University of California Berkeley researcher told the BBC.
"The innovation on our front is that we've integrated that with a cell phone rather than just making a standalone microscope."
The group behind the device is now getting a more stable version of the device ready in preparation for field tests.
Via BBC News