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Princeton start-up develops blood test that can be run on an iPhone

By Jesse Schwartz
Published: August 8th, 2018

A Princeton University start-up is developing a blood test that can be run entirely on an iPhone.

The technology behind Essenlix, known as iMOST, consists of a cartridge, a mobile app and an attachment that rests on the iPhone’s camera and flash. A blood sample is placed on the cartridge, which is then loaded into the attachment. The camera, flash and other components of the phone are utilized to run the test in a matter of seconds.

“You basically have a mobile chemical biological lab in your hand,” says Stephen Chou, a professor at Princeton and founder of Essenlix.

The simplicity of the iMOST technology could lead to lower lab costs, making it especially helpful in rural areas that don’t have access to traditional blood testing devices, which are often expensive.

Chou initially developed a test for a complete blood count (CBC), which measures the number of white and red blood cells in the body as well as hemoglobin. The test is meant to monitor overall health, but is also commonly used in cancer treatment to check a patient’s blood count before entering chemotherapy.

In clinical trials, Essenlix found a 6% difference between its test results and what traditional devices found, and a 3% difference in hemoglobin counts. All of the iMOST results were within FDA requirements for allowable total error. The start-up is now working with the FDA to gain market approval.

Source: Business Insider

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