Detection and measurements of odor by sintered tin oxide gas sensor

Fukui, Kiyoshi

doi:10.1016/0925-4005(91)80215-6

Cited by 19 publications

(4 citation statements)

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“…As demonstrated in Figure 2, one-electrode gas sensors can be formed by applying the metal oxide in the form of a bead on the electrode material or by shunting the electrode through a coating [31]. Materials such as SnO 2 [45,46,47,48], In 2 O 3 [49], and Fe 2 O 3 [50,51] are mainly used for one-electrode gas sensors.…”

Section: Electrode Types Of Semiconductor Gas Sensorsmentioning

confidence: 99%

Electrodes for Semiconductor Gas Sensors

Lee

2017

Sensors

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The electrodes of semiconductor gas sensors are important in characterizing sensors based on their sensitivity, selectivity, reversibility, response time, and long-term stability. The types and materials of electrodes used for semiconductor gas sensors are analyzed. In addition, the effect of interfacial zones and surface states of electrode–semiconductor interfaces on their characteristics is studied. This study describes that the gas interaction mechanism of the electrode–semiconductor interfaces should take into account the interfacial zone, surface states, image force, and tunneling effect.

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Section: Electrode Types Of Semiconductor Gas Sensorsmentioning

confidence: 99%

Electrodes for Semiconductor Gas Sensors

Lee

2017

Sensors

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“…Taking into account that odour is one of the most important quality criteria in fishery products and that reliable and quantitative ways of measuring odours are necessary (Josephson, Lindsay, & Olafsdottir, 1987), a rapid, non-destructive method was used involving a sensor which can detect the faintest trace of odour-causing molecules, at such low values as 10 ppb (Fukui, 1991). The metal oxide semiconductor sensor of the Cosmos instrument has been used for fish freshness evaluation (Gelman, Drabkin, & Glatman, 2003;Icekson et al, 1996), bread flavour measure (Yoshino, Ootsuka, Hayashi, & Seguchi, 2007) and also for methylamine, dimethylamine, trimethylamine (Iyobe, Asada, Kawata, & Oikawa, 2004), indole and skatole measurements (Asada et al, 2002).…”

Section: Sensory Analysis During Storagementioning

confidence: 99%

Effect of CO2 dissolution on the shelf life of ready-to-eat Octopus vulgaris

Mendes

Silva

Anacleto

et al. 2011

Innovative Food Science & Emerging Technologies

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“…The exclusion of the humidity effect made the response of 5 ppm acetone to be about 33%, 66%, and 57% higher than that of 5 ppm propanol, 5 ppm methanol, and 5 ppm ethanol, respectively. The higher response of the chitosan-PEG SPR sensor to acetone could be attributed to the higher number of carbon atoms and the rate of evaporation [42,59]. The number of carbon atoms and the rate of evaporation for all the analytes are presented in Table 4 [42].…”

Section: Binding Affinity Of Acetone Toward Spr Sensor With Single La...mentioning

confidence: 99%

Acetone Vapor-Sensing Properties of Chitosan-Polyethylene Glycol Using Surface Plasmon Resonance Technique

et al. 2020

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To non-invasively monitor and screen for diabetes in patients, there is need to detect low concentration of acetone vapor in the range from 1.8 ppm to 5 ppm, which is the concentration range of acetone vapor in diabetic patients. This work presents an investigation for the utilization of chitosan-polyethylene glycol (PEG)-based surface plasmon resonance (SPR) sensor in the detection of trace concentration acetone vapor in the range of breath acetone in diabetic subjects. The structure, morphology, and elemental composition of the chitosan-PEG sensing layer were characterized using FTIR, UV-VIS, FESEM, EDX, AFM, and XPS methods. Response testing was conducted using low concentration of acetone vapor in the range of 0.5 ppm to 5 ppm using SPR technique. All the measurements were conducted at room temperature and 50 mL/min gas flow rate. The sensor showed good sensitivity, linearity, repeatability, reversibility, stability, and high affinity toward acetone vapor. The sensor also showed better selectivity to acetone compared to methanol, ethanol, and propanol vapors. More importantly, the lowest detection limit (LOD) of about 0.96 ppb confirmed the applicability of the sensor for the non-invasive monitoring and screening of diabetes.

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Detection and measurements of odor by sintered tin oxide gas sensor

Cited by 19 publications

References 0 publications

Electrodes for Semiconductor Gas Sensors

Electrodes for Semiconductor Gas Sensors

Effect of CO2 dissolution on the shelf life of ready-to-eat Octopus vulgaris

Acetone Vapor-Sensing Properties of Chitosan-Polyethylene Glycol Using Surface Plasmon Resonance Technique

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