Issue 4, 2015
From the journal:

Photochemical & Photobiological Sciences

Untangling interactions of a zinc(ii) complex containing a coumarin–porphyrin unit with alkaloids in water solutions: a photophysical study†

Carla I. M. Santos,ab   Elisabete Oliveira,*abc   Hugo M. Santos,ab   José C. J. M. D. S. Menezes,d   M. Amparo F. Faustino,d   José A. S. Cavaleiro,d   J. L. Capelo, ORCID logo ab   Maria da Graça P. M. S. Neves*d  and  Carlos Lodeiro ORCID logo *ab  

* Corresponding authors

a ProteoMass Scientific Society, Madan Parque, Rua dos Inventores, Caparica, Portugal

b BIOSCOPE Group, UCIBIO-REQUIMTE, Chemistry Department, Faculty of Sciences and Technology, University NOVA of Lisbon, Caparica, Portugal
E-mail: ej.oliveira@fct.unl.pt, cle@fct.unl.pt

c Veterinary Science Department and CECAV, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
E-mail: ej.oliveira@fct.unl.pt

d Chemistry Department and QOPNA, University of Aveiro, 3810-193 Aveiro, Portugal
E-mail: gneves@ua.pt

Abstract

A metal complex 1 derivative from a coumarin bearing a porphyrin unit was spectroscopically characterized and its sensing ability towards the alkaloids caffeine 2, nicotine 3 and cotinine 4 was evaluated in these studies. This probe shows to be sensitive to the alkaloids studied, where a detectable amount of 2.5 ± 0.3 μM of cotinine was determined in dam water from the Vigia Dam located in the Montoito village region, Alentejo district, Portugal. The interaction of 1 with cotinine was also verified by MALDI-TOF-MS, where it was found with peaks at 877.2 and 1053.3 m/z corresponding to the species [1H]+ and [1CotinineH]+, respectively.

Graphical abstract: Untangling interactions of a zinc(ii) complex containing a coumarin–porphyrin unit with alkaloids in water solutions: a photophysical study

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Article information

DOI
https://doi.org/10.1039/C4PP00359D
Article type
Paper
Submitted
29 Sep 2014
Accepted
10 Jan 2015
First published
12 Jan 2015

Photochem. Photobiol. Sci., 2015,14, 757-764

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Untangling interactions of a zinc(II) complex containing a coumarin–porphyrin unit with alkaloids in water solutions: a photophysical study

C. I. M. Santos, E. Oliveira, H. M. Santos, J. C. J. M. D. S. Menezes, M. A. F. Faustino, J. A. S. Cavaleiro, J. L. Capelo, M. D. G. P. M. S. Neves and C. Lodeiro, Photochem. Photobiol. Sci., 2015, 14, 757 DOI: 10.1039/C4PP00359D

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