Multimedia Gallery
Light-activated anion pump
This light-activated pump is designed to both capture and release negatively charged ions -- or anions – and can, fueled only by natural light, move target molecules against a concentration gradient in solution.
[Research supported by U.S. National Science Foundation grant CHE 2304983.]
Learn more in the Dartmouth College news story A filtration system powered by synthetic molecules and light. (Date of image: 2024; date originally posted to NSF Multimedia Gallery: Sept. 27, 2024)
Credit: Ivan Aprahamian, Dartmouth College
Images and other media in the National Science Foundation Multimedia Gallery are available for use in print and electronic material by NSF employees, members of the media, university staff, teachers and the general public. All media in the gallery are intended for personal, educational and nonprofit/non-commercial use only.
Images credited to the National Science Foundation, a federal agency, are in the public domain. The images were created by employees of the United States Government as part of their official duties or prepared by contractors as "works for hire" for NSF. You may freely use NSF-credited images and, at your discretion, credit NSF with a "Courtesy: National Science Foundation" notation.
Additional information about general usage can be found in Conditions.
Also Available:
Download the high-resolution JPG version of the image. (875.7 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.