Journal
COMPTES RENDUS CHIMIE
Volume 21, Issue 3-4, Pages 270-276Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crci.2017.05.008
Keywords
Porphyrin; Thin films; Matrix-assisted pulsed laser evaporation; Electrochemical mediator; Histamine electrochemistry
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Funding
- Romanian National Authority for Scientific Research, CNCS-UEFISCDI [PN-II-PT-PCCA-2013-4-1268 (142/2014), PN-II-PCCA-210/2014, PN-II-ID-PCE-2011-3-0888 (209/2011), PN-II-RU-TE-2012-3-0379 (16/2013)]
- Romanian Academy of ICT [3]
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This study reports on deposition of asymmetrical substituted meso-phenyl porphyrin, 5(4-carboxypheny1)-10,15,20-triphenylporphyrin (CPTPP) thin films by matrix-assisted pulsed laser evaporation (MAPLE) on screen-printed electrodes, aiming for histamine detection. Raman spectrometry confirmed that CPTPP chemical structure was preserved in MAPLE-deposited thin films at 200 mJ/cm(2) laser fluence. Atomic force microscopy topography revealed that MAPLE-deposited thin films have a better coverage on the working electrode made of carbon compared to the ones obtained by dropcasting. Cyclic voltammetry demonstrated that CPTPP is an appropriate mediator for histamine detection in trichloroacetic acid solution. We proved that MAPLE serves as a soft technique in fabrication of porphyrin thin films and patterns. (C) 2017 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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