Search Results - "Haller, Manuela"

Extraction and Isolation of Linear Alkylbenzenesulfonate and Its Sulfophenylcarboxylic Acid Metabolites from Fish Samples by Tolls, Johannes, Haller, Manuela, Sijm, Dick T. H. M

“…Linear alkylbenzenesulfonate (LAS) is the most widely used synthetic surfactant. In fish, assessment of the environmental risk and investigation of the…”
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LAS Bioconcentration:  Tissue Distribution and Effect of Hardness−Implications for Processes by Tolls, Johannes, Haller, Manuela, Seinen, Willem, Sijm, Dick T. H. M

“…Linear alkylbenzene sulfonate (LAS) is the most important synthetic surfactant in household detergents. Nevertheless, little parent compound-specific…”
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Extraction and isolation of linear alcohol ethoxylates from fish by Tolls, Johannes, Haller, Manuela, Sijm, Dick T.H.M

“…The development of an analytical method for determination of alcohol ethoxylates (AEs), important non-ionic surfactants, in fish is described. Combination of…”
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Experimental determination of bioconcentration of the nonionic surfactant alcohol ethoxylate by Tolls, Johannes, Haller, Manuela, Labee, Erik, Verweij, Miriam, Sijm, Dick T. H. M.

“…Acohol ethoxylate (AE) is the most widely usednonionic surfactant in householddetergents. Herewe present compound‐specific bioconcentration data for AE…”
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Bioconcentration of LAS:  Experimental Determination and Extrapolation to Environmental Mixtures by Tolls, Johannes, Haller, Manuela, de Graaf, Ilja, Thijssen, Maartje A. T. C, Sijm, Dick T. H. M

“…Linear alkylbenzenesulfonate (LAS) is the most widely used synthetic surfactant. Environmental risk assessment of LAS requires quantitative information on the…”
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Influence of carrier and bactericide on sorption coefficients of hydrophobic organic compounds for two lake sediments by SIJM, D. T. H. M, HALLER, M, FABER, J. A. J, SCHRAP, S. M

“…Sorption coefficients of a series of hydrophobic organic compounds were determined for 2 sediments with high (HOC) and low organic carbon (LOC) contents. The…”
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Plasma esterase activities in rats fed magnesium-deficient diets by Van Lith, H A, Bergstra, A E, Haller, M, Beynen, A C

“…In a study with rats it was determined whether dietary magnesium concentration affects plasma esterase activities. The feeding of a diet with 0.01% (w/w)…”
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Characterization of rat plasma esterase ES-1A concerning its molecular and catalytic properties by Van Lith, H A, Haller, M, Van Hoof, I J, Van Der Wouw, M J, Van Zutphen, B F, Beynen, A C

“…To characterize esterase ES-1A from rat plasma with regard to its molecular and catalytic properties, the enzyme was purified. The degree of purification, as…”
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Determination of rat plasma esterase-1 (ES-1) activity by scanning densitometry of gradient polyacrylamide gels with zymogram detection by Van Lith, H A, Haller, M, Van Zutphen, B F, Beynen, A C

“…There is no specific assay for rat plasma esterase-1 (ES-1) activity. Plasma contains many esterases, while known substrates do not discriminate between…”
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Substrate specificity of purified rabbit liver esterase ES‐1 by LITH, Hein A., HALLER, Manuela, ZUTPHEN, Bert F. M., BEYNEN, Anton C.

“…1. Substrate hydrolysis by two purified rabbit liver esterase‐1 allozymes (ES‐1A and ES‐1B) was compared under conditions differing in substrate, pH and…”
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