UW News
Kelly Michaelsen
February 11, 2022
Smartphone app can vibrate a single drop of blood to determine how well it clots
![Close up of a person holding a phone with a plastic attachment that holds a cup under the camera. The person is adding a red solution to the cup.](https://uw-s3-cdn.s3.us-west-2.amazonaws.com/wp-content/uploads/sites/6/2022/02/10111023/bloodclottingWEB002-150x150.jpg)
Researchers at the UW have developed a new blood-clotting test that uses a single drop of blood and a smartphone vibration motor and camera.