Penn Engineers Can Detect Ultra Rare Proteins in Blood Using a Cellphone Camera

Penn Engineering
Feb 18, 2019 · 5 min read
Fluorescent markers attached to proteins speed past the researchers’ cellphone camera. An innovative strobing system allows individual markers to be differentiated from their neighbors, allowing an accurate count, even in the ultra-low concentrations associated with hard-to-diagnose conditions.
Image for post
Image for post
The researchers’ detection system uses a standard cellphone camera.
Image for post
Image for post
David Issadore and Venkata R. Yelleswarapu
Microdroplets that contain the protein in question are tagged with a fluorescent marker.
MIcrodroplets lining up into parallel channels for analysis.

Penn Engineering

University of Pennsylvania’s School of Engineering and…

Welcome to a place where words matter. On Medium, smart voices and original ideas take center stage - with no ads in sight. Watch

Follow all the topics you care about, and we’ll deliver the best stories for you to your homepage and inbox. Explore

Get unlimited access to the best stories on Medium — and support writers while you’re at it. Just $5/month. Upgrade

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store