Journal of Photochemistry and Photobiology A: Chemistry 356 (2018) 7–17 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal homepa ge: www.elsev ier.com/locate/jphotochem A novel ﬂuorescent and colorimetric probe for cascade selective detection of Fe(III) and pyrophosphate based on a click generated cyclic steroid–rhodamine conjugate Zhen Zhang*, Chengquan Deng, Yuan Zou, Lei Chen Department of Applied Chemistry, School of Science, Xi’an Jiaotong University, Xi’an 710049, China A R T I C L E I N F O A B S T R A C T Article history: A novel ﬂuorescent and colorimetric probe containing deoxycholic acid and rhodamine moieties was Received 20 August 2017 3+ Received in revised form 13 December 2017 developed by click chemistry, and its cascade selective detection of ferric ion (Fe ) and pyrophosphate Accepted 15 December 2017 (PPi) was investigated in details by spectral measurements. The probe displayed turn-on orange Available online 16 December 2017 3+ ﬂuorescence and colorless to pink color change upon binding with Fe by reversibly forming the metal complex and opening the spirolactam ring of rhodamine. Through a tandem ligand exchange, PPi with 3+ Keywords: higher afﬁnity for Fe removed the metal from the complex and
Journal of Photochemistry and Photobiology A: Chemistry – Elsevier
Published: Apr 1, 2018
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