SUPRAMOLECULAR CHEMISTRY
7
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Calculation of detection limit (14)
Detection limit was calculated by using fluorescence
titration data. The emission of compound 1 was mea-
sured 6 times, and the standard deviation of blank mea-
surement was achieved. To have the slope, emission
intensities were plotted against concentrations of metal
ions. The detection limits were calculated using the equa-
tion: detection limit = 3s/k, where s is the standard
deviation of the blank measurement, and k is the slope.
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Supporting information available
Figures show the change in fluorescence and UV-vis
titrations with various metal ions, binding and detec-
tion limit curves, pH effect on emission and absorbance,
characterization spectra.
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Acknowledgments
KG thanks SERB, DST, New Delhi, for financial support (File No.
EMR/2016/008005/OC). SM thanks UGC, New Delhi, India for a
fellowship.
Disclosure statement
No potential conflict of interest was reported by the authors.
Funding
This work was supported by the SERB, DST, New Delhi, India
[File No. EMR/2016/008005/OC]
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