The MasSpec pen speeds up cancer diagnosis from weeks to seconds.

“The ‘MasSpec pen’ … looks a lot like a big, white sharpie with a cord running down the back. When doctors touch the tip of the pen to a suspect tissue sample, and press a pedal, the pen releases a small droplet of water. The pen then sucks up the water along with some residual tissue into an onsite mass spectrometer and analyzes everything right there on the spot.” | learn more