A new Cu~(2+)-induced color reaction of a rhodamine derivative N-(3-carboxy)acryloyl rhodamine B hydrazide |
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| Authors: | SUN ChengDong CHEN JianMing MA HuiMin LIU Yang ZHANG JingHua & LIU QingJun Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems |
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| Affiliation: | SUN ChengDong1,CHEN JianMing1,MA HuiMin1*,LIU Yang2,ZHANG JingHua2 & LIU QingJun2 1Beijing National Laboratory for Molecular Sciences,Key Laboratory of Analytical Chemistry for Living Biosystems,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190,China 2Beijing Center for Physical and Chemical Analysis,Beijing 100089,China |
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| Abstract: | A new rhodamine derivative,N-(3-carboxy)acryloyl rhodamine B hydrazide(CARB),has been synthesized,and its unusual spectroscopic reaction with Cu2+ has been investigated.The derivative exhibits a rapid and reversible non-fluorescent absorption upon coordination to Cu2+,which is a rather unusual phenomenon for rhodamine B derivatives.Stoichiometric measurements using the Job's method and the molar ratio method reveal that one CARB molecule combines two Cu2+ ions,and the two Cu2+ ions play different roles:one ... |
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| Keywords: | N-(3-carboxy)acryloyl rhodamine B hydrazide reaction mechanism colorimetric probe visual detection copper N-acryloyl rhodamine B hydrazide |
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