2020
DOI: 10.3390/nano10030479
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Bioelectronic Nose Based on Single-Stranded DNA and Single-Walled Carbon Nanotube to Identify a Major Plant Volatile Organic Compound (p-Ethylphenol) Released by Phytophthora Cactorum Infected Strawberries

Abstract: The metabolic activity in plants or fruits is associated with volatile organic compounds (VOCs), which can help identify the different diseases. P-ethylphenol has been demonstrated as one of the most important VOCs released by the Phytophthora cactorum (P. cactorum) infected strawberries. In this study, a bioelectronic nose based on a gas biosensor array and signal processing model was developed for the noninvasive diagnostics of the P. cactorum infected strawberries, which could overcome the limitations of th… Show more

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Cited by 22 publications
(24 citation statements)
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“…Recently Guo and coworkers [ 19 ] reported studies of Penicillium expansum spoilage of apples, Capuano et al [ 20 ] studied Aspergillus species discrimination using a gas sensor array, Loulier et al [ 21 ] studied various fungi species using gas chromatography and a differential electronic nose device. Wang et al [ 22 ] studied volatile organic compound emitted by Phytophthora cactorum infected strawberries by a newly constructed bioelectronic nose based on single-stranded DNA and a single-walled carbon nanotube. Another fungal infection of strawberries was reported by Greenshields et al [ 23 ].…”
Section: Introductionmentioning
confidence: 99%
“…Recently Guo and coworkers [ 19 ] reported studies of Penicillium expansum spoilage of apples, Capuano et al [ 20 ] studied Aspergillus species discrimination using a gas sensor array, Loulier et al [ 21 ] studied various fungi species using gas chromatography and a differential electronic nose device. Wang et al [ 22 ] studied volatile organic compound emitted by Phytophthora cactorum infected strawberries by a newly constructed bioelectronic nose based on single-stranded DNA and a single-walled carbon nanotube. Another fungal infection of strawberries was reported by Greenshields et al [ 23 ].…”
Section: Introductionmentioning
confidence: 99%
“…Recently, reports have been published on studies on Penicillium expansum spoilage of apples [17], Aspergillus species discrimination [18] and analysis of VOCs of different fungal species. Studies of VOCs of Phytophthora cactorum species were reported by Wang et al [19] and Greenshields et al [20] in a case of infected strawberries. An electronic nose was used to detect fungal infection of wood [21,22].…”
Section: Introductionmentioning
confidence: 95%
“…Single-stranded DNA-functionalized SWC-NTs can also be used to detect volatile markers such as ethylhexanol, linalool, tetradecene, and phenylacetaldehyde of Huanglong disease, which is lethal to citrus, so as to realize the monitoring of the asymptomatic stage of the disease [23]. Moreover, 6-ssDNA modified SWCNTs can rapidly detect 4-ethylphenol, a major volatile organic compound released by Phytophthora cactorum-infected strawberries, within a few minutes via an electrostatic gating mechanism, with a wide concentration range, and high detection sensitivity and recovery [24].…”
Section: Cnms As Nanosensors To Detect Signaling Molecules In Plants ...mentioning
confidence: 99%