Browsing by Author "Barrales V., Luis"
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- ItemDesarrollo de la granulación durante la maduración de naranjas de ombligo tardías en la Zona Central de Chile(2000) Ortúzar, Juan E.; Barrales V., Luis; Peña Neira, Alvaro Iván; Carmona Morales, Patricia; Valdivieso Gatica, Gonzalo; Quezada, C.
- ItemFertilización nitrogenada de porotos verdes para uso agroindustrial en la Zona Central de Chile : indicaciones preliminares.(2003) Urzúa Sotomayor, Horacio; Barrales V., Luis; Faiguenbaum Morgenstern, Hugo; Gálvez, M.; Ormazabal, R.; Pizarro, R.
- ItemGLYCOGEN DETERMINATION IN BOVINE MUSCLE: A PROPOSAL FOR RAPID DETERMINATION(2009) Hargreaves B., Antonio; Barrales V., Luis; Barrales Z., Daniela; Luis Riveros F., Jose; Pena R., IvanA practical, rapid and inexpensive method for muscle glucose determination is proposed. The method is based on acid digestion of the sample, followed by neutralization of the solution and the subsequent glucose determination using a domestic glucometer for human blood glucose level control. In a pre-experimental phase, the accuracy of this methodology and the titration method was determined, comparing results to pre-established glucose concentrations. There were significant differences between the glucose reading given by the glucometer and the pre-established glucose concentrations and the results given by the titration method. Nevertheless, when discrepancies (bias) were identified, differences resulted non-significant (P = 0.85). Subsequently, muscle glucose concentration (n = 24) was validated in the experimental phase and significant differences were shown between glucose concentration values given by the glucometer and the titration method, the latter considered as a standard method or as a reference (P < 0.0001). Once the sources of discrepancies were identified and removed, the differences observed between the values given by the two methods were not statistically significant (P = 0.99). It was concluded that the glucometer is a potential method for muscle glucose determination, but must be improved.
- ItemInfluencia de la aplicación de ácido giberélico sobre el desarrollo del creasing durante la maduración de naranjas de ombligo : = Influence of gibberelic acid spraying date on the development of creasing during ripening of navel oranges.(1999) Ortuzar Filiu, Juan Enrique; Barrales V., Luis; Peña R., Iván; Carmona Morales, Patricia; Mártiz M., Johanna; Farías Cabrera, Alejandra del Pilar; Quinteros L., Jaqueline
- ItemInfluencia de la conservación en el árbol y en cámara fria sobre la calidad de naranjas cvs Lane Late y Navelate en Chile.(2003) Ortuzar Filiu, Juan Enrique; Barrales V., Luis; Peña R., Iván; Carmona Morales, Patricia; Valdivieso, G.
- ItemModelo para evaluar la Respuesta Productiva de Vacas Híbridas en un Sistema Intensivo de Producción de Leche(2005) Barrales V., Luis; Valenzuela Roediger, Loreto Margarita; González Munizaga, Fernando
- ItemRegeneration of Whole Plant From Apical Meristems of Pinus Radiata(2003) Prehn Roth, Doris Angela; Serrano Berríos, Carolina Lourdes; Barrales V., Luis; Arce Johnson, Jorge Patricio