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Ascolani Yael, J.; Fuhr, J.D.; Bocan, G.A.; Daza Millone, A.; Tognalli, N.; Dos Santos Afonso, M.; Martiarena, M.L. "Abiotic degradation of glyphosate into aminomethylphosphonic acid in the presence of metals" (2014) Journal of Agricultural and Food Chemistry. 62(40):9651-9656
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Abstract:

Glyphosate [N-phosphono-methylglycine (PMG)] is the most used herbicide worldwide, particularly since the development of transgenic glyphosate-resistant (GR) crops. Aminomethylphosphonic acid (AMPA) is the main glyphosate metabolite, and it may be responsible for GR crop damage upon PMG application. PMG degradation into AMPA has hitherto been reckoned mainly as a biological process, produced by soil microorganisms (bacteria and fungi) and plants. In this work, we use density functional calculations to identify the vibrational bands of PMG and AMPA in surface-enhanced Raman spectroscopy (SERS) and attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectra experiments. SERS shows the presence of AMPA after glyphosate is deposited from aqueous solution on different metallic surfaces. AMPA is also detected in ATR-FTIR experiments when PMG interacts with metallic ions in aqueous solution. These results reveal an abiotic degradation process of glyphosate into AMPA, where metals play a crucial role. © 2014 American Chemical Society.

Registro:

Documento: Artículo
Título:Abiotic degradation of glyphosate into aminomethylphosphonic acid in the presence of metals
Autor:Ascolani Yael, J.; Fuhr, J.D.; Bocan, G.A.; Daza Millone, A.; Tognalli, N.; Dos Santos Afonso, M.; Martiarena, M.L.
Filiación:Instituto Balseiro, Centro Atómico Bariloche (CNEA), Universidad Nacional de Cuyo, Avenida Exequiel Bustillo 9500, San Carlos de Bariloche, 8400, Argentina
Centro Atómico Bariloche (CNEA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Avenida Exequiel Bustillo 9500, San Carlos de Bariloche, 8400, Argentina
Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 64 y Diagonal 113, La Plata, 1900, Argentina
Centro de Innovación Tecnológica, Empresarial y Social (CITES), Avenida Belgrano 758, Sunchales, 2322, Argentina
Instituto de Química Física de Los Materiales, Medio Ambiente y Energía, Departamento de Química Inorgánica, Analítica y Química Física, Ciudad Universitaria, Buenos Aires, 1428, Argentina
Palabras clave:abiotic degradation; AMPA; glyphosate; herbicides; Abiotic degradation; Amino-methylphosphonic acids; AMPA; Glyphosates; Herbicides; aminomethylphosphonic acid; glycine; glyphosate; herbicide; metal; phosphonic acid derivative; soil pollutant; analogs and derivatives; bioremediation; chemistry; infrared spectroscopy; metabolism; Raman spectrometry; soil pollutant; Biodegradation, Environmental; Glycine; Herbicides; Metals; Organophosphonates; Soil Pollutants; Spectroscopy, Fourier Transform Infrared; Spectrum Analysis, Raman
Año:2014
Volumen:62
Número:40
Página de inicio:9651
Página de fin:9656
DOI: http://dx.doi.org/10.1021/jf502979d
Título revista:Journal of Agricultural and Food Chemistry
Título revista abreviado:J. Agric. Food Chem.
ISSN:00218561
CODEN:JAFCA
CAS:aminomethylphosphonic acid, 1066-51-9; glycine, 56-40-6, 6000-43-7, 6000-44-8; glyphosate, 1071-83-6; aminomethylphosphonic acid; Glycine; glyphosate; Herbicides; Metals; Organophosphonates; Soil Pollutants
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00218561_v62_n40_p9651_AscolaniYael

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Citas:

---------- APA ----------
Ascolani Yael, J., Fuhr, J.D., Bocan, G.A., Daza Millone, A., Tognalli, N., Dos Santos Afonso, M. & Martiarena, M.L. (2014) . Abiotic degradation of glyphosate into aminomethylphosphonic acid in the presence of metals. Journal of Agricultural and Food Chemistry, 62(40), 9651-9656.
http://dx.doi.org/10.1021/jf502979d
---------- CHICAGO ----------
Ascolani Yael, J., Fuhr, J.D., Bocan, G.A., Daza Millone, A., Tognalli, N., Dos Santos Afonso, M., et al. "Abiotic degradation of glyphosate into aminomethylphosphonic acid in the presence of metals" . Journal of Agricultural and Food Chemistry 62, no. 40 (2014) : 9651-9656.
http://dx.doi.org/10.1021/jf502979d
---------- MLA ----------
Ascolani Yael, J., Fuhr, J.D., Bocan, G.A., Daza Millone, A., Tognalli, N., Dos Santos Afonso, M., et al. "Abiotic degradation of glyphosate into aminomethylphosphonic acid in the presence of metals" . Journal of Agricultural and Food Chemistry, vol. 62, no. 40, 2014, pp. 9651-9656.
http://dx.doi.org/10.1021/jf502979d
---------- VANCOUVER ----------
Ascolani Yael, J., Fuhr, J.D., Bocan, G.A., Daza Millone, A., Tognalli, N., Dos Santos Afonso, M., et al. Abiotic degradation of glyphosate into aminomethylphosphonic acid in the presence of metals. J. Agric. Food Chem. 2014;62(40):9651-9656.
http://dx.doi.org/10.1021/jf502979d