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Listar por palabra clave "Isolation and purification"

Mostrando ítems 1-8 de 8

Carbon nanoparticles in lateral flow methods to detect genes encoding virulence factors of Shiga toxin-producing Escherichia coli

Noguera Murray, Patricia Silvestre; Posthuma-Trumpie, G.A.; van Tuil, M.; van der Wal, F.J.; de Boer, A.; Moers, A.P.H.A.; van Amerongen, A. (Springer Verlag, 2011)

The use of carbon nanoparticles is shown for the detection and identification of different Shiga toxin-producing Escherichia coli virulence factors (vt1, vt2, eae and ehxA) and a 16S control (specific for E. coli) based ...
Composition of free and adherent ruminal bacteria: inaccuracyof the microbial nutrient supply estimates obtained using freebacteria as reference samples and 15N as the marker

González, J; Arroyo, J.M.; Ouarti, M; Guevara-González, J.; Rodríguez, C.A.; Alvir, M.R.; Moya Salvador, Vicente Javier; Piquer Querol, Olga (Cambridge University Press, 2012)

Previous studies have indicated that 15N enrichment of solid-associated bacteria (SAB) may be predicted from the same value in liquid-associated bacteria (LAB). The aims of this study were to confirm this and to measure ...
FI on-line chemiluminescence reaction for determination of MCPA in water samples

Torres Cartas, Sagrario; Gómez Benito, Carmen; Meseguer-Lloret, Susana (Springer Verlag, 2012)

This paper reports an economic, simple, and rapid FI-CL method for the determination of MCPA. This method requires simple instrumentation and it is fast enough to be used in routine analyses. A chemiluminescence signal is ...
Herbicidal Activity of Peumus boldus and Drimys winterii Essential Oils from Chile

Verdeguer Sancho, Mercedes María; García Rellán, David; Boira Tortajada, Herminio; Pérez, Eduardo; Gandolfo Wiederhold, Sandra Paola; Blazquez Ferrer, Maria Amparo (MDPI, 2011)

[EN] The essential oil composition of Peumus boldus and Drimys winterii was analyzed by means of capillary GC-FID and GC-MS. More than 96% of the total oil components (43 and 54 compounds, respectively) were identified, ...
Influence of season and geography on Campylobacter jejuni and C. coli subtypes in housed broiler flocks reared in Great Briatin

Jorgensen, F.; Ellis-Iversen, J.; Rushton, S.; Bull, S. A.; Harris, S. A.; Bryan, S. J.; González Pellicer, Ana; Humphrey, T. J. (American Society for Microbiology, 2011)

[EN] Geographical and seasonal variation in the incidence and prevalence of Campylobacter jejuni and C. coli in housed broiler flocks reared in Great Britain in 2004 to 2006 was investigated in this study. Ceca (30) from ...
Isolation of a new Mexican strain of Bacillus subtilis with antifungal and antibacterial activities

Basurto Cadena, María Guadalupe Lucía; Vázquez Arista, Manuel; García Jiménez, José; Salcedo Hernandez, R.; Bideshi, D.K.; Barboza Corona, J.E. (Hindawi Publishing Corporation, 2012)

[EN] Although several strains of B. subtilis with antifungal activity have been isolated worldwide, to date there are no published reports regarding the isolation of a native B. subtilis strain from strawberry plants in ...
Solid Phase Microextraction of Volatile Emissions of Ceratitis capitata (Wiedemann) (Diptera: Tephritidae): Influence of Fly Sex, Age, and Mating Status

Alfaro Cañamás, Cristina; Vacas González, Sandra; Zarzo Castelló, Manuel; Navarro-Llopis, Vicente; Primo Millo, Jaime (American Chemical Society, 2010-12-13)

[EN] Considerable efforts have been devoted to understanding the courtship behavior and pheromone communication of medflies; however, the sex pheromone composition is still a controversial subject. The discovery of new ...
Sources of Salmonella contamination during broiler production in Eastern Spain

Marín, Clara; Balasch Parisi, Sebastià; Vega, S; Lainez, M (Elsevier, 2011-01)

Prevention of Salmonella contamination of poultry products requires detailed knowledge of the main sources associated with its presence in the production system. The aims of this study were to determine the main sources ...