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  • Journal Of Nematology

 

Research Article | 13-December-2017

DETECTION OF VOLATILE ORGANIC COMPOUNDS BASED ON OPTICAL FIBRE USING NANOSTRUCTURED FILMS

An optical fibre sensor for detection of volatile organic compounds (VOCs) has been implemented. This device is based on a vapochromic material presented in the form of bright red powders, which suffers reversible changes in its optical properties when exposed to some organic vapours. The sensor head consists of a nano interferometer doped with the vapochromic material, built onto a cleaved ended multimode optical fibre by using the Layer by Layer Electrostatic Self Assembly Method (LbL). A

Cesar Elosua, Ignacio R. Matias, Candido Bariain, Francisco J. Arregui

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 1, 123–136

Research Article | 31-May-2018

Chemotaxis of Caenorhabditis elegans toward volatile organic compounds from Stropharia rugosoannulata induced by amino acids

A variety of natural substances including both volatile organic compounds and water-soluble compounds play a significant role in the chemotactic behaviors of the model nematode Caenorhabditis elegans. We observed chemotactic behaviors of C. elegans with respect to response to attractants produced by nematode parasitic fungus Stropharia rugosoannulata, which were partially induced by specific amino acids. The results of gas chromatography-mass spectrometer analysis suggested that 1-octen-3-ol

Jing Bian, Haili Zhang, Shuai Meng, Yajun Liu

Journal of Nematology, Volume 50 , ISSUE 1, 3–8

research-article | 30-November-2020

Slight induction and strong inhibition of Heterodera glycines hatching by short-chain molecules released by different plant species

identify SCN hatching factors concentrated on compounds from root extracts or exudates (Fukusawa et al., 1985; Masamune et al., 1987; Riga et al., 2001) without investigating the role of short-chain molecules, such as the volatile organic compounds (VOCs). Although studies on the effects of VOCs on hatching are scarce, the nematicidal activity of these molecules have received more attention (Aissani et al., 2015; Barros et al., 2014; Silva et al., 2018, 2019). In addition, many of them have the

Jeanny A. Velloso, Vicente P. Campos, Willian C. Terra, Aline F. Barros, Márcio P. Pedroso, Luma A. Pedroso, Letícia L. Paula

Journal of Nematology, Volume 53 , 1–12

Research Article | 15-February-2020

Thin Film Coated QCM-Sensors and Pattern Recognition Methods for Discrimination of VOCs

Discrimination and quantification of volatile organic compounds (VOCs) using a non-selective sensor requires a combination of sensors followed by pattern recognition methods. Based on this concept, this paper deals with the discrimination of gas from the responses of several gas sensors coated with different type of polymer. Quartz crystal microbalance (QCM) electrodes were coated from hexamethyldisiloxane (HMDSO), hexamethyldisilazane (HMDSN) and tetraethoxysilane (TEOS) for the elaboration of

Omar C. Lezzar, A. Bellel, M. Boutamine, S. Sahli, Y. Segui, P. Raynaud

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–6

research-article | 26-October-2020

Xanthosoma sagittifolium is resistant to Meloidogyne spp. and controls Meloidogyne enterolobii by soil biofumigation

antimicrobial, insecticidal, or nematicidal action (Isman, 1999). These compounds include volatile organic compounds (VOCs), which consist of molecules with up to 20 carbon atoms with a high vapor pressure that cross membranes freely and release the vapors into the atmosphere or soil without a diffusion barrier (Dudavera et al., 2006). Plants produce several compounds known as secondary metabolites (Pichersky and Gang, 2000), with 1% being VOCs such as terpenoids, phenylpropanoids, benzenoids, fatty acid

Vanessa Alves Gomes, Fabíola de Jesus Silva, Eunice Maria Baquião, Luana Viana Faria, Júlio César Antunes Ferreira, Marcio Pozzobon Pedroso, Fernando Broetto, Silvia Renata Siciliano Wilcken

Journal of Nematology, Volume 52 , 1–12

research-article | 26-April-2019

Control of Meloidogyne incognita in sweetpotato with fluensulfone

hazards, they are limited by regulatory restrictions related to the emission of volatile organic compounds (VOC) and their toxicity. Until recently, effective, environmentally acceptable, and economically viable alternatives were not available, and this has been an important factor in the continued use of soil fumigants (Noling and Becker, 1994; Becker, 2014). Fluensulfone (tradename: Nimitz, ADAMA Agricultural Solutions Ltd., Raleigh, NC) is a non-fumigant nematicide that is registered for use in

Antoon Ploeg, Scott Stoddard, J. Ole Becker

Journal of Nematology, Volume 51 , 1–8

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