Table of Contents
Sensors, Volume 19, Issue 20 (October-2 2019) – 251 articles
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Cover Story (view full-size image) One of the open challenges of environmental monitoring concerns the design of new analytical tools. [...] Read more. One of the open challenges of environmental monitoring concerns the design of new analytical tools. To promote the technological transfer of biomimetic electrochemical sensors for emerging contaminants, a perfluorooctanesulfonic acid (PFOS) – molecularly imprinted polymer (MIP) sensor, developed on Au-disk electrodes, was redesigned as a portable Au-screen printed electrodes. The characteristics of the Au-SPE surface were found to play a key role influencing the morphology and performances of the MIP modifier. The high content of fluorine in PFOS allowed the MIP distribution at the electrode surface to be mapped and visualized. The results obtained might serve as guidelines for other kinds of redesign studies, having evidenced the possible pitfalls of such protocol optimizations and suggesting a complete characterization strategy based on the combination of electrochemical and imaging data. View this paper.