Journal
2021 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE (I2MTC 2021)
Volume -, Issue -, Pages -Publisher
IEEE
DOI: 10.1109/I2MTC50364.2021.9459911
Keywords
Plant-based Sensor; Living Organisms; UV radiation measurements; Chemo-electrical transduction
Funding
- DELIAS (Development and application of innovative materials and processes for the diagnosis and restoration of cultural heritage)
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The plant-based sensor proposed in this study uses natural sensing properties of plants to measure ultraviolet radiation intensity, offering a green, non-toxic, environmentally friendly, low-cost and disseminable solution. By converting the measurement into an output voltage through a chemo-electrical process, it has been demonstrated to be effective and suitable for various applications.
The exploitation of a plant-based sensor, able to measure ultraviolet radiation intensity with wavelength of UV-A band (315-400 nm) is here proposed. The approach presented arouses interest in the context of the realization of sensing devices and novel measurement systems green, non-toxic, environmentally friendly, low-cost and disseminable. The working principle is based on the use of natural sensing properties to UV-A radiation of the plant and its metabolic process in order to respond to the received UV intensity. The device is composed of Dimorphotheca ecklonis, which is a particularly sensitive plant to the physical quantity of interest and two implanted electrical contacts to convert, through a chemo-electrical process, the measurand into an output voltage across the electrodes. A suitable experimental setup has been developed and a LabVIEWTM routine has been used for the acquisition of the signal. Experimental results and the characterization of the plant-based sensor show the suitability of the proposed method which is able to work in absence of batteries making the system interesting for several intriguing applications.
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