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Researchers at Columbia University have developed a smartphone accessory (“dongle”) that can quickly analyze blood for the presence of HIV and syphilis.  Until now, the best way to diagnose these diseases was to use a laboratory machine called an enzyme-linked immunosorbent assay (ELISA).  The new dongle has all the capabilities of the ELISA, but requires so little power that a smartphone can handle it just fine.  What’s more, the dongle can do three tests in one ...
Webinar Q&A Q: Data sheets for the sensors; are they all online yet? A: Yes Q: How close does the metal have to be to the inductive sensor? A: Good rule of thumb is 70% of the coil diameter as a maximum, the closer the better Q: Are there any application notes on using inductive sensing to measure corrosion of metal? A: No Q: Is it possible to detect cracks in metal plates using inductive sensors? A: Yes. Cracks will cut the loops for the eddy currents. Same concept as the metal sheet packs ...

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