Abstract
One novel turn-on fluorescence probe founded on conjugated pyrazole Schiff base for detecting Al3+ was invented. The UV-vis and fluorescence spectrometer were employed to explore optical properties of this probe. The results got from those experiments indicated that this fluorescence probe manifested excellent sensitivity and selectivity for Al3+ compared with other cations examined(Ag+, Co2+, Mg2+, Cu2+, Ni2+, Pb2+,and Zn2+). In addition, this probe displayed a more rapid response and remained stable between pH 6 and 9 by investigating the fluorescence intensity under different response time and various pH values. Remarkably, the detection limit for Al3+ could lower to 1.0×10-9M. Therefore, the probe could be potentially applied to the environment for the detection of Al3+, and the availability in biological range of pH that could be further studied to make this probe apply to biological systems in the future.
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