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A ratiometric, near-infrared, and fully water-soluble probe, a phenoxazinium-based chemosensor bearing an anilino thiaazacrown, was successfully synthesized and characterized. The use of this probe for the selective ratiometric detection of Hg 2+ in pure water is reported. The probe shows good selectivity for Hg 2+ , and a large blue shift (75nm) of the complex’s absorption maximum...
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