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Nonlinear optical response and two-photon biological applications of a new family of imidazole-pyrimidine derivatives
Linköpings universitet, Institutionen för fysik, kemi och biologi, Molekylär ytfysik och nanovetenskap. Linköpings universitet, Tekniska fakulteten. Anhui University, Peoples R China.
UCL, England.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Molekylär ytfysik och nanovetenskap. Linköpings universitet, Tekniska fakulteten.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Molekylär ytfysik och nanovetenskap. Linköpings universitet, Tekniska fakulteten.
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2016 (engelsk)Inngår i: Dyes and pigments, ISSN 0143-7208, E-ISSN 1873-3743, Vol. 126, s. 286-295Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
ELSEVIER SCI LTD , 2016. Vol. 126, s. 286-295
Emneord [en]
Two-photon absorption; Triphenylamine; Imidazole; Pyrimidine; Two-photon fluorescent microscopy; Z-Scan
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Identifikatorer
URN: urn:nbn:se:liu:diva-125797DOI: 10.1016/j.dyepig.2015.11.026ISI: 000370090600035OAI: oai:DiVA.org:liu-125797DiVA, id: diva2:910330
Merknad

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

Tilgjengelig fra: 2016-03-08 Laget: 2016-03-04 Sist oppdatert: 2018-03-20

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