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Biological Chemistry

Chemistry In Pictures

Chemistry in Pictures: Glow with the flow

by Alexandra A. Taylor
April 23, 2021
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Most Popular in Biological Chemistry

A photo of a petri dish glowing in the dark with blue streaks of bioluminescence.
Credit: Frederic Bolze/Valeria Breveglieri

The blue lines in this dish of seawater are the result of the bioluminescence of Pyrocystis noctiluca plankton. The dish was photographed in the dark. Frederic Bolze, a chemistry professor at the University of Strasbourg, explains that each line is the emission of one Pyrocystis cell after excitation. Bolze created a small, circular current in the dish by adding a few microliters of acetic acid, and his colleague, Dow chemical engineer Valeria Breveglieri, captured the plankton’s trajectory using a camera set to a long exposure time. Bolze uses bioluminescence in chemistry demonstrations and to track biological processes. He is working on fluorescent dyes for two-photon microscopy and to diagnose some hallmarks of Alzheimer’s disease.

Submitted by Frederic Bolze

Do science. Take pictures. Win money. Enter our photo contest here.

Click here to see more Chemistry in Pictures.

Chemical & Engineering News
ISSN 0009-2347
Copyright © 2024 American Chemical Society

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