Publikation: Real-Time Monitoring of Photoinduced pH Jumps by In Situ Rapid-Scan EPR Spectroscopy
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2024
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European Union (EU): 772027
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The Journal of Physical Chemistry Letters. ACS Publications. 2024, 15(27), S. 7069-7074. eISSN 1948-7185. Verfügbar unter: doi: 10.1021/acs.jpclett.4c00564
Zusammenfassung
This work represents the first demonstration of monitoring kinetics upon a light-induced pH jump by in situ rapid-scan (RS) electron paramagnetic resonance (EPR) spectroscopy on the millisecond time scale. Here, we focus on the protonation state of an imidazolidine type radical as a pH sensor under visible light irradiation of a merocyanine photoacid in bulk solution. The results highlight the utility of photoacids in combination with pH-sensitive spin probes as an effective tool for the real-time investigation of biochemical mechanisms regulated by changes in the pH value.
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540 Chemie
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JOHANNSEN, Florian, Lara WILLIAMS, Man Him CHAK, Malte DRESCHER, 2024. Real-Time Monitoring of Photoinduced pH Jumps by In Situ Rapid-Scan EPR Spectroscopy. In: The Journal of Physical Chemistry Letters. ACS Publications. 2024, 15(27), S. 7069-7074. eISSN 1948-7185. Verfügbar unter: doi: 10.1021/acs.jpclett.4c00564BibTex
@article{Johannsen2024RealT-70424, year={2024}, doi={10.1021/acs.jpclett.4c00564}, title={Real-Time Monitoring of Photoinduced pH Jumps by In Situ Rapid-Scan EPR Spectroscopy}, number={27}, volume={15}, journal={The Journal of Physical Chemistry Letters}, pages={7069--7074}, author={Johannsen, Florian and Williams, Lara and Chak, Man Him and Drescher, Malte} }
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