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Updated: Jul 25, 2025

Utilizing pHluorin-tagged Receptors to Monitor Subcellular Localization and Trafficking
Published on: March 16, 2017
A highly sensitive and selective fluorescent probe for rapid detection and intracellular imaging of Pd(II)
Shu-Yuan Xiao1, Chang-Xiang Liu1, Jing Peng1
1School of Chemistry, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
Abstract:
A novel near-infrared fluorescent probe (SWJT-13) for detecting Pd2+ ions was designed and synthesized using 3-bromopropargyne group as a recognition site. SWJT-13 can detect Pd2+ ions specifically, which can be quickly recognized by naked eye under natural light. SWJT-13 has a large Stokes shift (155 nm) with LOD of 10.5 nM. The mechanism was verified by 1H NMR, MS, and Gaussian calculations. In addition, the detection of Pd2+ ions by the probe was studied in HeLa cells.
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