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Solid surface fluorescence methodology for fast monitoring of 2,4-dichlorophenoxyacetic acid in seed samples

Alesso, Magdalena et al · Elsevier Science · 2017

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Author / responsible party
Alesso, Magdalena et al
Publisher
Elsevier Science
Year
2017
ISSN
0026-265X
ISSN
0026-265X
Language
English

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A new method for pre-concentration/separation and determination of 2,4-dichlorophenoxyacetic acid (2,4-D) by solid-surface fluorescence (SSF) is proposed. The herbicide was complexed with Rhodamine B at pH 7.0 in the presence of phosphate buffer and anionic surfactant admicelles. A Nylon membrane was selected as a solid support for SSF measurement and the presence of 2,4-D was evident by the RhB quenching effect. Under optimal experimental conditions, the limit of detection and quantification were 6.93 and 21 ng L−1 , respectively, and the linear range was obtained from 0.021 to 22.11 μg L−1 2,4-D concentration. The developed methodology showed good sensitivity and adequate selectivity, and it was applied to the 2,4-D determination in seed samples. The SSF represents a simple and fast alternative to conventional methods of analysis, employing an existing instrument in most laboratories. Fil: Alesso, Magdalena. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina Fil: Talio, María Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina

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APA 7

Alesso, M. E. A. (2017). Solid surface fluorescence methodology for fast monitoring of 2,4-dichlorophenoxyacetic acid in seed samples. http://hdl.handle.net/11336/64767

MLA

Alesso, Magdalena et al. "Solid surface fluorescence methodology for fast monitoring of 2,4-dichlorophenoxyacetic acid in seed samples." 2017. http://hdl.handle.net/11336/64767.

Chicago

Alesso, Magdalena et al. 2017. "Solid surface fluorescence methodology for fast monitoring of 2,4-dichlorophenoxyacetic acid in seed samples.". http://hdl.handle.net/11336/64767.

Harvard

Alesso, M. E. A. 2017, Solid surface fluorescence methodology for fast monitoring of 2,4-dichlorophenoxyacetic acid in seed samples, Elsevier Science, available at: http://hdl.handle.net/11336/64767 [Accessed 9 Aug. 2026].

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Title
Solid surface fluorescence methodology for fast monitoring of 2,4-dichlorophenoxyacetic acid in seed samples
Author / contributors
Alesso, Magdalena et al
Publisher
Elsevier Science
Publication year
2017
ISSN
0026-265X
ISSN
0026-265X
Language
English

Subjects

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Herbicide Traces; 2 4-Dichlorophenoxyacetic Acid; Rhodamine B; Solid Surface Fluorescence; Seed Samples; https://purl.org/becyt/ford/1.4; https://purl.org/becyt/ford/1
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