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The aim of this work is to perform preliminaries studies to evaluate an optical sensor system for glucose detection in solution, in order to provide suitable indications to develop a device for non invasive glycaemia continuous monitoring. In this study an experimental set-up consisting of a LED-Photodiode couple has been tested as glucose sensor. LED's emission is partially absorbed by the glucose...
Artificial olfaction systems have been investigated since more than two decades on alleged property of similarities between the receptive field of natural receptors and artificial sensors. Due to the limited number of sensors embedded in these systems the complexity of electronic noses is generally too low to allow the application of olfaction processing models. Actually the literature there are several...
The contemporaneous measurement of different physical properties of a chemical sensing layer is expected to provide a general increase of selectivity. The application of this concept generally requires the use of multiple devices. In this paper, the measurement of optical and electric properties of one sensing layer with a single device is presented. The surface potential and optical sensitivities...
Nanostructured molecular assembly provides, in many cases, peculiar properties that are not found in the individual constituents. Among three-dimensional arrangements the tubular structures are particularly appealing for chemical sensor applications at least for the expected surface increase. In this paper, the sensing properties of nanotubes self-assembled of oppositely charged porphyrins are investigated...
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