A simple quinoxaline-based highly sensitive colorimetric and ratiometric sensor, selective for nickel and effective in very high dilution

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Off-the-Shelf Colorimetric Anion Sensors This research was supported by the National Institutes of Health (grant GM 58907) and the Texas Advanced Research Program.

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Dipyrrolylquinoxalines:  Efficient Sensors for Fluoride Anion in Organic Solution

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