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Nonlinear optical response and two-photon biological applications of a new family of imidazole-pyrimidine derivatives
Linköping University, Department of Physics, Chemistry and Biology, Molecular Surface Physics and Nano Science. Linköping University, Faculty of Science & Engineering. Anhui University, Peoples R China.
UCL, England.
Linköping University, Department of Physics, Chemistry and Biology, Molecular Surface Physics and Nano Science. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Molecular Surface Physics and Nano Science. Linköping University, Faculty of Science & Engineering.
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2016 (English)In: Dyes and pigments, ISSN 0143-7208, E-ISSN 1873-3743, Vol. 126, 286-295 p.Article in journal (Refereed) Published
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Abstract [en]

A series of novel D-pi-A type two-photon absorption (2PA) imidazole-pyrimidine derivatives (EX-1 similar to EX-4) have been synthesized and characterized, with EX-1 was crystallography confirmed. Based on systematic photophysical investigations, the structure property relationships can be drawn as follows: (1) Both theoretical and experimental studies indicated that the different donor groups have large influences on the optical properties. (2) The 2PA cross-section values (sigma) were obtained both by Z-Scan and two photon excited fluorescence (2PEF) measurements. 2PA cross sections show an increasing trend with increasing electron-donating strength and the number of branches. (3) Comprehensively considered the optical performance, molecular volume, cytotoxicity and solubility, EX-1 and EX-2 were identified to be the best candidates for living cells (HepG2) imaging. Moreover, the 2PA excitable features of EX-1 and EX-2 are capable of imaging in fresh mouses liver tissues with a depth of ca. 70 mu m. (C) 2015 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
ELSEVIER SCI LTD , 2016. Vol. 126, 286-295 p.
Keyword [en]
Two-photon absorption; Triphenylamine; Imidazole; Pyrimidine; Two-photon fluorescent microscopy; Z-Scan
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-125797DOI: 10.1016/j.dyepig.2015.11.026ISI: 000370090600035OAI: oai:DiVA.org:liu-125797DiVA: diva2:910330
Note

Funding Agencies|National Natural Science Foundation of China [21501001, 21271004, 51372003, 51432001, 21271003, 51472003, 51272001]; National Key Basic Research Program 973 [2013CB632705]; Program for New Century Excellent Talents in University (China); Doctoral Program Foundation of Ministry of Education of China [20113401110004]; China Postdoctoral Science Foundation [2015M571912]; Swedish Research Council (VR) [621-2013-5357]; Swedish Government strategic faculty grant in material science (SFO, MATLIU) in Advanced Functional Materials (AFM); Wenner-Gren Foundations

Available from: 2016-03-08 Created: 2016-03-04 Last updated: 2016-03-08

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Zhang, QiongHu, Zhang-JunBrommesson, CarolineUvdal, Kajsa
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