Repositorio UFRO · Omeka S

Nonequilibrium free diffusion in seed leachate

Primer Autor	Ortiz G., Luis
Co-autores	Riquelme P., Pablo Guzman, R.
Título	Nonequilibrium free diffusion in seed leachate
Editorial	SPIE-INT SOC OPTICAL ENGINEERING
Revista	Proceedings of SPIE
Lenguaje	en
Resumen	In this work, we use a Schlieren-like Near Field Scattering (SNFS) setup to study nonequilibrium free diffusion behavior of a colloidal solution obtained from seeds leachate. The main objective is to compare the temporal behavior of the diffusion coefficient of seed leachate with an electric conductivity based vigor test. SNFS sizing measurements, based on Mie theory, were carried out to ensure its reliability and sensitivity. Then, we performed a typical nonequilibrium free diffusion experiment of a glycerol-water mixture. In this way, we confirmed that SNFS setup is sensitive to giant concentration fluctuations of nanocolloidal solutions. The results obtained in this stage reproduce properly the data reported elsewhere in literature. Moreover, seed leachate diffuse, in water, in a similar way that glycerol does. In both cases we used the same method (dynamic structure factor) to determine thermo-physical properties. We show that time evolution of diffusion coefficient of Lupinus Albus leachate exhibits three defined regimes as electric conductivity measurements. The results also exhibit a correspondence between the behavior of the diffusion coefficient and electric conductivity values of the two regions in the temporal range studied. Finally, we discuss biological processes involved in germination that could modulate this dependence, and the role played by the electrolytic nature of solutes.
Tipo de Recurso	Artículo de conferencia
doi	10.1117/12.2027772
Formato Recurso	pdf
Palabras Claves	Nonequilibrium fluctuations biological tissue characterization binary mixtures free diffusion processes FLUCTUATIONS SUSPENSIONS SCHLIEREN Fluctuaciones de no equilibrio caracterización de tejidos biológicos procesos de difusión libre de mezclas binarias Fluctuaciones suspensiones rayas
Ubicación del archivo	http://dx.doi.org/10.1117/12.2027772
Materias	Nonequilibrium fluctuations biological tissue characterization binary mixtures free diffusion processes FLUCTUATIONS SUSPENSIONS SCHLIEREN Fluctuaciones de no equilibrio caracterización de tejidos biológicos procesos de difusión libre de mezclas binarias Fluctuaciones suspensiones rayas
Disciplinas de la OCDE	Agronomía Óptica Química de los Coloides
Título de la cita (Recomendado-único)	Nonequilibrium free diffusion in seed leachate
Revista/Libro	Proceedings of SPIE
Tipo de ruta	suscripción
Access Rights	metadata
Derechos de acceso	metadata
Idioma	en
Identificador del recurso (Mandatado-único)	Artículo de conferencia
Versión del recurso (Recomendado-único)	versión publicada
Lugar de la conferencia(Recomendado-repetible)	8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications
Fecha de la conferencia(Recomendado-repetible)	JUL 22-26, 2013
Editorial	SPIE-INT SOC OPTICAL ENGINEERING
ISSN	0277-786X
ISBN	978-0-8194-9601-0
Página de inicio (Recomendado-único)	8785BU
Categoría WOS	Óptica Física Aplicada Optics Physics, Applied
Formato	pdf
Id de Web of Science	WOS:000328616100169