An Improved Fluorescence-enhanced Pd2+ Probe Derived from Rhodamine Fluorophore

doi:10.3724/SP.J.1095.2011.00718

Chinese Journal of Applied Chemistry ›› 2011, Vol. 28 ›› Issue (11): 1292-1297.DOI: 10.3724/SP.J.1095.2011.00718

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An Improved Fluorescence-enhanced Pd²⁺ Probe Derived from Rhodamine Fluorophore

FAN Jiangli^*, LU Jing, LI Honglin, LIU Xiaojian, ZHU Hao, PENG Xiaojun

(State Key Laboratory of Fine Chemicals,Dalian University of Technology,Dalian 116024)

Received:2010-12-03 Revised:2011-03-21 Published:2011-11-10 Online:2011-11-10
Contact: li

Abstract

Abstract:

A new fluorescence-enhanced Pd2+ probe RPd5 was synthesized which shows both fluorescent and colorimetric responses to Pd2+ within 16 minutes. The fluorescent intensity was enhanced 40 times. With a pKa value of 3.96±0.01, it can detect Pd2+ in a wide pH range, especially in the neutral pH environment. RPd5 has the detection limit of 2.31×10-6 mol/L suggesting its high sensitivity for Pd2+ detection. Proof-of-concept experiments demonstrate its potential application for Pd2+ detection in real soil and water samples. Additionally, RPd5 can be loaded as test paper for Pd2+ evaluation in the clean water solution.

Key words: fluorescence probe, rhodamine, fluorescence-enhanced, Pd2+, propargyl group

CLC Number:

O655

FAN Jiangli*, LU Jing, LI Honglin, LIU Xiaojian, ZHU Hao, PENG Xiaojun. An Improved Fluorescence-enhanced Pd²⁺ Probe Derived from Rhodamine Fluorophore[J]. Chinese Journal of Applied Chemistry, 2011, 28(11): 1292-1297.

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An Improved Fluorescence-enhanced Pd²⁺ Probe Derived from Rhodamine Fluorophore

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