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Molecules 2014, 19(4), 4135-4144; doi:10.3390/molecules19044135
Article

Turn-on Type Chemical Sensing of Vitamin K4 by Fluorene Dendrimers with Naphthalene Segments

1,* , 2, 2 and 2
Received: 7 March 2014 / Revised: 27 March 2014 / Accepted: 28 March 2014 / Published: 2 April 2014
(This article belongs to the Special Issue Fluorescent Probes)
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Abstract

G1 and G2 fluorene dendrimers with naphthalene termini were synthesized as a fluorescence turn-on type chemical sensor for vitamin K4. The fluorene dendrimers were prepared by Williamson ether reaction between the fluorene core with dihydroxy groups and dendritic naphthalene segments with methylene chloride by a convergent method. We investigated the relationship between the dendrimer generation and vitamin K4 recognition of fluorene dendrimer with naphthalene termini in CHCl3. Addition of vitamin K4 enhanced the fluorescence intensity of the fluorene dendrimer. Especially, the G2 fluorene dendrimer was found to be an effective chemical sensor for vitamin K4 and better than the G1 fluorene dendrimer.
Keywords: dendrimer; chemical sensor; vitamin K4; fluorescence turn-on dendrimer; chemical sensor; vitamin K4; fluorescence turn-on
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Adachi, N.; Sugiyama, H.; Arai, M.; Ogawa, H. Turn-on Type Chemical Sensing of Vitamin K4 by Fluorene Dendrimers with Naphthalene Segments. Molecules 2014, 19, 4135-4144.

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