2007
DOI: 10.1590/s0103-50532007000500025
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Hydrogen peroxide assessment in exhaled breath condensate: condensing equipment-rapid flow injection chemiluminescence method

Abstract: Diversas biomoléculas analisadas na Condensação Respiratória Exalada (CRE) podem ser usadas como biomarcadoras, fornecendo informação clínica útil em doenças inflamatórias pulmonares. Peróxido de hidrogênio é um biomarcador especial, pois pode estar relacionado diretamente ao stress oxidativo gerado no corpo humano. Métodos para peróxido de hidrogênio em CRE são essenciais para um grande número de estudos, desde básicos até diagnósticos de doenças. Os métodos usados atualmente não são automatizados, são demora… Show more

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Cited by 7 publications
(3 citation statements)
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“…That could be achieved through enhancing the sensitivity of the detection. For that purpose, chemiluminescence as method for detection could provide good results, as it can go down to 10 nM [16].…”
Section: Resultsmentioning
confidence: 99%
“…That could be achieved through enhancing the sensitivity of the detection. For that purpose, chemiluminescence as method for detection could provide good results, as it can go down to 10 nM [16].…”
Section: Resultsmentioning
confidence: 99%
“…In order to increase the analysis rate and decrease the detection limit, the analyzer could be coupled to a more sensitive detection technique, that is, chemiluminescence, with which concentrations as low as 10 nM can be measured [ 27 ]. Use of chemiluminescence would allow higher dilution of samples and therefore the washing step could be eliminated and the monitoring time shortened.…”
Section: Resultsmentioning
confidence: 99%
“…The H 2 O 2 levels for these diseases vary between 10 nmol L À1 to 10 mmol L À1 . 7 Bronchiectasis is a chronic inammatory lung illness marked by permanent bronchial dilation. Airway secretions include high quantities of proinammatory cytokines, and neutrophils are the most common cells in the airway lumen.…”
Section: Introductionmentioning
confidence: 99%