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documento electrónico
Birgitte Kjær Sørensen, Autor ; Peter Højrup, Autor ; Erik Østergård, Autor ; Charlotte Sværke Jørgensen, Autor ; Jan Enghild, Autor ; Lisa Rebekka Ryder, Autor ; Gunnar Houen, Autor | 2002A fast and convenient method for silver staining of proteins on electroblotting membranes was developed based on Gallyas' histochemical intensifier and applied to human endothelial cell proteins separated by one- and two-dimensional electrophore[...]texto impreso
DESMARCHELIER AURÉLIEN, Autor ; GUILLAMON CUADRA MIRIAM, Autor ; THIERRY DELATOUR, Autor ; PASCAL MOTTIER, AutorAn isotope dilution liquid chromatography-electrospray ionization tandem mass spectrometry method for the simultaneous determination of melamine and cyanuric acid in cow’s milk(range of 0-0.3 mg/kg)and milk-based infant formulas(ranges of 0-0.[...]documento electrónico
SUN, JING, Autor ; YANG, Autor ; HSIAOWAN LEE, Autor ; LIN WANG, Autor | 2015The simultaneous separation and determination of As(III), As(V), monomethylarsenic acid (MMA), dimethylarsenic acid (DMA), Cr(III), Cr(VI) and Cd(II) in water samples have been carried out by anion exchange liquid chromatography with inductively[...]texto impreso
In this paper, spatial and temporal variations of three common microcystins (MC-RR, MC-YR, and MC-LR) in the hepatopancreas of a freshwater snail (Bellamya aeruginosa) were studied monthly in two bays of Lake Taihu. Microcystins (MCs) concentrat[...]Article : texto impreso
Fué desarrollado un método de laboratorio para la caracterización de las emisiones de compuestos volátiles orgánicos totales ( VOC), a partir del prensado de tableros de virutas orientadas ( OSB), basado en un sistema de membrana encerrada, e[...]texto impreso
The analysis of highly hydrophilic, ionic, and polar compounds has been performed by HILIC-ESI-MS for the last few years. The use of low aqueous/high polar organic solvent content in HILIC separation mobile phase is almost ideal for ESI-MS detec[...]texto impreso
Atomic spectroscopy and mass spectrometry are important tools for identifying and quantifying trace elements in food products-elements that may be potentially beneficial or potentially toxic. The Determination of Chemical Elements in Food: Appli[...]Article : texto impreso
Paneles contrachapados para la construcción fabricados en cinco pantas de contrachapados fueron analizados para detectar los compuestos fenólicos y el fenol libre. Pequeñas muestras de contrachapados fueron molidos a polvo detexto impreso
FRANK VANHAECKE, Autor ; LIEVE BALCAEN, Autor ; DMITRY MALINOVSKY, Autor | 2009This article is intended as a tutorial review on the use of single-collector and multi-collector ICPMS for isotope ratio determination. The monitoring and quantification of both induced and natural differences in the isotopic composition of targ[...]Article : texto impreso
XIE, CHANGSHI, Autor ; RUDDICK, JOHN N.R., Autor |El duramen del abeto Douglas a menudo se vuelve muy oscuro cuando es tratado con preservantes de cobre amoniacal. La causa de esta coloración negra es desconocida. El examen de los extractos solubles en acetona presentes en el duramen del abeto[...]