期刊
TALANTA
卷 118, 期 -, 页码 348-352出版社
ELSEVIER
DOI: 10.1016/j.talanta.2013.09.055
关键词
Positively charged salicylaldehyde azine; Heparin; Aggregation-induced emission; Electrostatic interaction
资金
- National Natural Science Foundation of China [21175079]
A facile, rapidly responsive fluorescence turn-on probe for heparin with high selectivity and sensitivity was reported in this paper. The probe could aggregate on the negatively charged heparin template through electrostatic interactions and then display intense fluorescence due to its aggregation-induced emission (AIE) characteristics. Under optimal condition, the probe showed high selectivity to heparin over chondroitin sulfate(ChS), hyaluronic acid (HA), dextran (DeX) and other substances, with a linear range of 0.2-14 mu g/mL, and a detection limit of 57.6 ng/mL. In diluted serum, it also showed good performance. (C) 2013 Elsevier B.V. All rights reserved.
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