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- Impedance e-tongue instrument for rapid liquid assessment
- Universidade Estadual Paulista (UNESP)
- Universidade do Oeste Paulista (UNOESTE)
- Universidade Federal de São Carlos (UFSCar)
- Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
- Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
- Laboratório Nacional de Luz Síncrotron (LNLS)
- LNLS: MIC 5508
- We present a compact and easy to handle instrument developed to perform rapid analysis of liquids utilizing an electronic tongue system. Briefly, the e-tongue used here is based on impedance measurements of an array of sensing units fabricated with ultrathin films of different materials deposited onto gold interdigitated electrodes. The instrument has the capability of measuring up to eight different sensor sets, each comprising an array of eight sensing units, and can perform a series of measurements in less than half of an hour. Additionally, there is a user-friendly software interface for instrument control, allowing the statistical correlation of samples using principal component analysis.
- Review of Scientific Instruments. Melville: Amer Inst Physics, v. 80, n. 2, p. 3, 2009.
- American Institute of Physics (AIP)
- electric impedance measurement
- electronic tongues
- principal component analysis
- Acesso restrito
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