Measurement of hemoglobin within blood helps to diagnose and manage a number of conditions, but this requires either blood draws or expensive pulse oximeters. At the University of Washington a team of researchers wanted to see whether a common smartphone (Nexus 5) can be used to perform the measurement at a high enough accuracy to be useful for medical practice.

They developed an app called HemaApp that uses the phone’s built-in light and camera to detect the color intensity of blood passing through a finger. The user simply places a finger over the camera lens, making a solid contact, and runs the app to do its thing. The app turns on the nearby LED light, which shines light through the finger, and uses the camera to detect specific features that point to the amount of hemoglobin.

Read more: HemaApp Accurately Estimates Hemoglobin in Blood Using Standard Smartphone | Medgadget

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Published by Mike Rawson

Mike Rawson has recently re-awoken a long-standing interest in robots and our automated future. He lives in London with a single android - a temperamental vacuum cleaner - but is looking forward to getting more cyborgs soon.

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HemaApp Estimates Hemoglobin Using Standard Smartphone | Medgadget

by Mike Rawson time to read: 1 min
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