Use of an acoustic wave sensor to follow lead absorption by porcine skin
authors Verissimo, MIS; Pais, AACC; Oliveira, JABP; Gomes, MTSR
journal SENSORS AND ACTUATORS B-CHEMICAL
author keywords bulk acoustic wave sensor; lead; stratum corneum
keywords ION
abstract A new acoustic wave sensor capable of detecting and quantifying lead is presented, and fully characterized in terms of sensitivity, selectivity, and linear calibration range. The sensor was used to quantify lead absorption by pig stratum corneum and to follow in real time, both the absorption and desorption of lead by the skin. Values of lead absorption of 29.6 mg Pb2+/g of stratum corneum were obtained. Lead in solution was also quantified by atomic absorption spectrometry (AAS). The results obtained by both methods, AAS and the sensor, were compared and no statistical differences in the accuracy and precision of the results were found. (C) 2007 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE SA
issn 0925-4005
year published 2008
volume 128
issue 2
beginning page 450
ending page 454
digital object identifier (doi) 10.1016/j.snb.2007.07.011
web of science category Chemistry, Analytical; Electrochemistry; Instruments & Instrumentation
subject category Chemistry; Electrochemistry; Instruments & Instrumentation
unique article identifier WOS:000252792100014
link http://dx.doi.org/10.1016/j.snb.2007.07.011
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