Raman imaging of the phycosphere reveals sharp gradients of organic matter exuded by single phytoplankton cells.

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Title: Raman imaging of the phycosphere reveals sharp gradients of organic matter exuded by single phytoplankton cells.
Authors: Landry ZC; Department of Biological Sciences, University of Southern California, Los Angeles, CA 90089-0371., Foffi R; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland., Anelli V; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland., Arosio P; Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland., Gil-Garcia M; Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland., Henshaw RJ; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland., Müller O; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland., Paccagnan G; Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich 8092, Switzerland., Schneider TN; Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland., Schubert CJ; Department Surface Waters Research and Management, Eawag, Kastanienbaum 6047, Switzerland., Słomka J; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland.; Biophysics Division, Faculty of Physics, University of Warsaw, Warsaw 02-093, Poland., Lee KS; Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea., Zambelli T; Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich 8092, Switzerland., T Zweifel S; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland., Stocker R; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland.
Source: Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2026 Jul 21; Vol. 123 (29), pp. e2535317123. Date of Electronic Publication: 2026 Jul 13.
Publication Type: Journal Article
Journal Info: Publisher: National Academy of Sciences Country of Publication: United States NLM ID: 7505876 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1091-6490 (Electronic) Linking ISSN: 00278424 NLM ISO Abbreviation: Proc Natl Acad Sci U S A Subsets: MEDLINE
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  Data: Raman imaging of the phycosphere reveals sharp gradients of organic matter exuded by single phytoplankton cells.
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  Data: <searchLink fieldCode="AU" term="%22Landry+ZC%22">Landry ZC</searchLink>; Department of Biological Sciences, University of Southern California, Los Angeles, CA 90089-0371.<br /><searchLink fieldCode="AU" term="%22Foffi+R%22">Foffi R</searchLink>; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland.<br /><searchLink fieldCode="AU" term="%22Anelli+V%22">Anelli V</searchLink>; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland.<br /><searchLink fieldCode="AU" term="%22Arosio+P%22">Arosio P</searchLink>; Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland.<br /><searchLink fieldCode="AU" term="%22Gil-Garcia+M%22">Gil-Garcia M</searchLink>; Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland.<br /><searchLink fieldCode="AU" term="%22Henshaw+RJ%22">Henshaw RJ</searchLink>; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland.<br /><searchLink fieldCode="AU" term="%22Müller+O%22">Müller O</searchLink>; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland.<br /><searchLink fieldCode="AU" term="%22Paccagnan+G%22">Paccagnan G</searchLink>; Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich 8092, Switzerland.<br /><searchLink fieldCode="AU" term="%22Schneider+TN%22">Schneider TN</searchLink>; Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland.<br /><searchLink fieldCode="AU" term="%22Schubert+CJ%22">Schubert CJ</searchLink>; Department Surface Waters Research and Management, Eawag, Kastanienbaum 6047, Switzerland.<br /><searchLink fieldCode="AU" term="%22Słomka+J%22">Słomka J</searchLink>; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland.; Biophysics Division, Faculty of Physics, University of Warsaw, Warsaw 02-093, Poland.<br /><searchLink fieldCode="AU" term="%22Lee+KS%22">Lee KS</searchLink>; Department of Mechanical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea.<br /><searchLink fieldCode="AU" term="%22Zambelli+T%22">Zambelli T</searchLink>; Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich 8092, Switzerland.<br /><searchLink fieldCode="AU" term="%22T+Zweifel+S%22">T Zweifel S</searchLink>; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland.<br /><searchLink fieldCode="AU" term="%22Stocker+R%22">Stocker R</searchLink>; Institute of Environmental Engineering, Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zürich 8093, Switzerland.
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