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Open AccessArticle

Synthesis and Sensing Applications of Fluorescent 3-Cinnamoyl Coumarins

1
Department of Chemistry, University of Delhi, Delhi 110007, India
2
Center for Advanced Materials, University of Massachusetts Lowell, Lowell, MA 01854, USA
3
Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
*
Authors to whom correspondence should be addressed.
Academic Editor: Ki-Hyun Kim
Sensors 2015, 15(12), 31987-31998; https://doi.org/10.3390/s151229902
Received: 26 September 2015 / Revised: 5 December 2015 / Accepted: 10 December 2015 / Published: 19 December 2015
(This article belongs to the Special Issue The Use of New and/or Improved Materials for Sensing Applications)
We have synthesized two novel fluorescent 3-(4-diethylaminocinnamoyl) coumarins that exhibit fluorescence quenching upon exposure to a nerve agent simulant, diethylchlorophosphate (DCP), providing a basis for rapid and sensitive DCP chemosensing. Furthermore, these coumarin derivatives display two-photon fluorescence upon illumination with near-infrared laser pulses and their two-photon (TP) absorption cross-section was evaluated. The potential for TP bio-imaging of these compounds was investigated by their cellular uptake in HeLa cells by TP confocal microscopy. View Full-Text
Keywords: 3-(4-diethylaminocinnamoyl) coumarins; fluorescence; DCP; nerve gas sensors; two-photon fluorescence 3-(4-diethylaminocinnamoyl) coumarins; fluorescence; DCP; nerve gas sensors; two-photon fluorescence
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MDPI and ACS Style

Yadav, P.; Gill, H.S.; Chand, K.; Li, L.; Kumar, J.; Sharma, S.K. Synthesis and Sensing Applications of Fluorescent 3-Cinnamoyl Coumarins. Sensors 2015, 15, 31987-31998.

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