More Like this

1. BODIPYs with Photoactivatable Fluorescence

   https://doi.org/10.1002/chem.202101628  

   Zhang, Yang; Zheng, Yeting; Meana, Yasniel; Raymo, Françisco_M (June 2021, Chemistry – A European Journal)

   Abstract The borondipyrromethene (BODIPY) chromophore is a versatile platform for the construction of photoresponsive dyes with unique properties. Specifically, its covalent connection to a photocleavable group can be exploited to engineer compounds with photoswitchable fluorescence. The resulting photoactivatable fluorophores can increase their emission intensity or shift their emission wavelengths in response to switching. Such changes permit the spatiotemporal control of fluorescence with optical stimulations and the implementation of imaging strategies that would be impossible to replicate with conventional fluorophores. Indeed, BODIPYs with photoactivatable fluorescence enable the selective highlighting of intracellular targets, the nanoscaled visualization of sub‐cellular components, the real‐time monitoring of dynamic events and the photochemical writing of optical barcodes. 

   more » « less
2. Easy, Bright, Fluorescence Demonstration of Buffer Action

   https://doi.org/10.1021/acs.jchemed.3c00792  

   Dykstra, Mariana; Chung, Yejin; Muyskens, Mark (February 2024, Journal of Chemical Education)

   We report an attractive update to the demonstration of acid–base buffer action that is appropriate for ease of use and getting attention in the classroom. The twist is based on new fluorophore information and the recent availability of UV flashlights serving as an ideal, portable excitation light source. The pH-dependent fluorescence comes from a choice among three natural sources, namely narra tree wood extract, kidneywood extract, and scopoletin, which is a purchasable coumarin, that all perform equally well. We provide practical details for performing the buffer demonstration at scales of 100 and 1000 mL and give background information for context. 

   more » « less
3. Photoactivation of BODIPY Fluorescence with Green Light

   https://doi.org/10.1021/acs.joc.5c00668  

   Tomassini, Andrea; Liu, Yunshu; Zheng, Yeting; Shahid, Md Abul; Singh, Amrita; Singh, Ambarish Kumar; Piedra, William M; Gong, Xiayi; Hayter, Colin E; Singh, Keiran I; et al (June 2025, The Journal of Organic Chemistry)
4. Tundra photosynthesis captured by satellite-observed solar-induced chlorophyll fluorescence: TUNDRA PHOTOSYNTHESIS AND FLUORESCENCE

   https://doi.org/10.1002/2016GL070842  

   Luus, K. A.; Commane, R.; Parazoo, N. C.; Benmergui, J.; Euskirchen, E. S.; Frankenberg, C.; Joiner, J.; Lindaas, J.; Miller, C. E.; Oechel, W. C.; et al (February 2017, Geophysical Research Letters)
5. Near-infrared II fluorescence imaging

   https://doi.org/10.1038/s43586-024-00301-x  

   Schmidt, Elizabeth Lea; Ou, Zihao; Ximendes, Erving; Cui, Han; Keck, Carl_H C; Jaque, Daniel; Hong, Guosong (December 2024, Nature Reviews Methods Primers)