https://repositorio.ufba.br/handle/ri/5998
metadata.dc.type: | Artigo de Periódico |
Title: | Headspace solid phase microextraction/gas chromatography–mass spectrometry combined to chemometric analysis for volatile organic compounds determination in canine hair: A new tool to detect dog contamination by visceral leishmaniasis |
Other Titles: | Journal of Chromatography B-Analytical Technologies in the Biomedical and Life Sciences |
Authors: | Oliveira, Lidia S. de Rodrigues, Frederico de M. Oliveira, Fábio Santos de Mesquita, Paulo Roberto Ribeiro de Leal, Danielle C. Alcântara, Adriano Costa de Souza, Bárbara Maria Paraná da Silva Franke, Carlos R. Pereira, Pedro Afonso de Paula Andrade, Jailson Bittencourt de |
metadata.dc.creator: | Oliveira, Lidia S. de Rodrigues, Frederico de M. Oliveira, Fábio Santos de Mesquita, Paulo Roberto Ribeiro de Leal, Danielle C. Alcântara, Adriano Costa de Souza, Bárbara Maria Paraná da Silva Franke, Carlos R. Pereira, Pedro Afonso de Paula Andrade, Jailson Bittencourt de |
Abstract: | A new analytical methodology using HS-SPME/GC–MS was optimized in order to attain maximum sensitivity, using multivariate strategies. The proposed method was employed to evaluate the VOC profile exhaled fromcanine hair samples collected from 8 healthy dogs and from 16 dogs infected by Leishmania infantum. 274 VOCs were detected, which could be identified as aldehydes, ketones and hydrocarbons. After application of the Soft Independent Modeling of Class Analogy (SIMCA) and Principal Component Analysis (PCA) healthy and infected dogs, with similar VOCs profiles, could be separately grouped, based on compounds such as 2-hexanone, benzaldehyde, and 2,4-nonadienal. The proposed method is noninvasive, painless, readily accepted by dog owners and could be useful to identify several biomarkers with applications in the diagnosis of diseases. |
Keywords: | Canine hair VOCs HS-SPME/GC–MS Multivariate optimization PCA Diagnosis Visceral leishmaniasis |
URI: | http://www.repositorio.ufba.br/ri/handle/ri/5998 |
Issue Date: | 2008 |
Appears in Collections: | Artigo Publicado em Periódico (Química) |
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__ac.els-cdn.com_S157002...93b0c561dc63c3cd50f005ac78284.pdf Restricted Access | 433,93 kB | Adobe PDF | View/Open Request a copy |
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