3D-printed parts could make mass spectroscopy more accessible
Parts of the new device, including a green printed circuit board (PCB) with orange casing on top. Under the casing is a black rectangle where the electrospray emitter is located. (Image: Luis Fernando Velásquez-García, et al)
The 3D-printed low-cost ionisers performs twice as well as its state-of-the-art counterparts, which could enable an affordable, in-home device for health monitoring
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![NASA astronaut Megan McArthur works in the Microgravity Science Glovebox aboard the ISS – her experiment is exploring methods of crystallising melts in microgravity [Image: NASA]](/sites/default/files/styles/jumbotron/public/2025-06/iss1.jpg?h=a1e1a043&itok=TrJ5Avmt)