Výsledky vyhledávání - "J.W. Janssen"

Comparison of 7 Published LC-MS/MS Methods for the Simultaneous Measurement of Testosterone, Androstenedione, and Dehydroepiandrosterone in Serum

Autor: Laura Owen, Frans Martens, Flaminia Fanelli, Tue Søeborg, Hai T. Pham, Angela E Taylor, Annemieke C. Heijboer, Mark M. Kushnir, Marcel J.W. Janssen, Rahel M. Büttler, Marinus A. Blankenstein

Publikováno v: Buttler, R M, Martens, F, Fanelli, F, Pham, H T, Kushnir, M M, Janssen, M J W, Owen, L, Taylor, A E, Soeborg, T, Blankenstein, M A & Heijboer, A C 2015, ' Comparison of 7 Published LC-MS/MS Methods for the Simultaneous Measurement of Testosterone, Androstenedione, and Dehydroepiandrosterone in Serum ', Clinical Chemistry, vol. 61, no. 12, pp. 1475-1483 . https://doi.org/10.1373/clinchem.2015.242859
Clinical Chemistry, 61(12), 1475-1483
Clinical chemistry, 61(12), 1475-1483. American Association for Clinical Chemistry Inc.

BACKGROUND Recently, LC-MS/MS was stated to be the method of choice to measure sex steroids. Because information on the mutual agreement of LC-MS/MS methods is scarce, we compared 7 published LC-MS/MS methods for the simultaneous measurement of testo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a1e73f1e22d6fe63eda32177081dbb1
https://doi.org/10.1373/clinchem.2015.242859

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Cell-mediated lipoprotein transport: A novel anti-atherogenic concept

Autor: G.-J. M. van de Geijn, J.W.F. Elte, A. Alipour, T. Njo, S. Martínez Hervás, A.P. Rietveld, J.W. Janssen, M. Castro Cabezas, Sarah A. Bovenberg, R. van Mechelen

Publikováno v: Atherosclerosis Supplements. 11:25-29

Lipoprotein transport is thought to occur in the plasma compartment of the blood, where lipoproteins are modulated by various enzymatic reactions. Subsequently, lipoproteins can migrate through the endothelial barrier to the subendothelial space or a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a7d22acd7bcc613c6a02e3135079cee
https://doi.org/10.1016/j.atherosclerosissup.2010.04.003

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Evaluation of a next generation direct whole blood enzymatic assay for hemoglobin A1c on the ARCHITECT c8000 chemistry system

Autor: Paul M. Yip, Ben H.E. Hendrickx, Tracy Teodoro-Morrison, Marcel J.W. Janssen, Jasper Mols, Mathieu H. Velmans, Johannes Lotz, David Armbruster, Gregory T. Maine, Lieselotte Lennartz, Karl J. Lackner

Publikováno v: Clinical Chemistry and Laboratory Medicine (CCLM). 53

BACKGROUND The utility of HbA1c for the diagnosis of type 2 diabetes requires an accurate, precise and robust test measurement system. Currently, immunoassay and HPLC are the most popular methods for HbA1c quantification, noting however the limitatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::143bb22f44047e4854dce94dcf7ff7c3
https://doi.org/10.1515/cclm-2014-0310

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Low vacuum and discard tubes reduce hemolysis in samples drawn from intravenous catheters

Autor: Connie Heiligers-Duckers, Nathalie A.L.R. Peters, Marcel J.W. Janssen, Jose J.P. van Dijck, Jan M.J. Hoeijmakers

Publikováno v: Clinical Biochemistry. 46:1142-1144

In-vitro hemolysis is a great challenge to emergency departments where blood is drawn from intravenous catheters (IVCs). Although high quality samples can be obtained by straight needle venipuncture, IVCs are preferred for various reasons. The aim of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0764fcb87e5e1fd2afaad5d0594ae784
https://doi.org/10.1016/j.clinbiochem.2013.04.005

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Potentiation of Tumor Necrosis Factor α-induced Secreted Phospholipase A2 (sPLA2)-IIA Expression in Mesangial Cells by an Autocrine Loop Involving sPLA2 and Peroxisome Proliferator-activated Receptor α Activation

Autor: Kristen Scholz-Pedretti, Michael H. Gelb, Marietta Kaszkin, Suzanne H. Edwards, Sabine Beck, David C. Wilton, Marcel J.W. Janssen, Gérard Lambeau, Josef Pfeilschifter

Publikováno v: Journal of Biological Chemistry. 278:29799-29812

In rat mesangial cells, exogenously added secreted phospholipases A2 (sPLA2s) potentiate the expression of pro-inflammatory sPLA2-IIA first induced by cytokines like tumor necrosis factor-alpha (TNFalpha) and interleukin-1 beta. The transcriptional p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa680a890af1398671f76c81d601f246
https://doi.org/10.1074/jbc.m211763200

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Imprecision and limit of quantification of the new architect 25-hydroxyvitamin D assay

Autor: Johannes S. Kamphuis, Marcel J.W. Janssen, Frans A. L. Van Der Horst

Publikováno v: Clinical laboratory. 60(1)

We examined imprecision and limit of quantification (LOQ) of the new Architect 25-hydroxyvitamin D immunoassay in a multicenter setting. Mean intracenter interlot imprecision varied from 22.0 to 5.0%CV in the concentration range of 16 - 92 nmol/L. LO

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3cf0d3f6078294db93889190bd4dbd1
https://pubmed.ncbi.nlm.nih.gov/24600992

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A multicenter evaluation of dysthyroxinemia in a defined patient cohort

Autor: Mario H. J. Vogt, Marcel J.W. Janssen, André J.M. Naus, Wytze P. Oosterhuis, Judith A P Bons, Joop ten Kate, Paul P.C.A. Menheere

Publikováno v: Clinical Chemistry and Laboratory Medicine, 52(8), 1153-1158. Walter de Gruyter GmbH

BACKGROUND: In the region Limburg (The Netherlands) almost all of the five participating laboratories use a different immunoassay platform to determine thyroid stimulating hormone (TSH) and free thryoxine (FT4). With the frequent transfer of patients

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a823808341ac848ec38eab607089c5a
https://pubmed.ncbi.nlm.nih.gov/24717338

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Two-dimensional imaging of electronic wavefunctions in carbon nanotubes

Autor: Michael J. Bronikowski, Serge G. Lemay, Richard E. Smalley, Cees Dekker, Leo P. Kouwenhoven, J.W. Janssen, Peter Willis, Maarten Mooij, Michiel van den Hout

Publikováno v: Nature. 412:617-620

The drive towards the development of molecular electronics is placing increasing demands on the level of control that must be exerted on the electronic structure of materials. Proposed device architectures ultimately rely on tuning the interactions b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38305ea165f0974f38c8eee85b091d67
https://doi.org/10.1038/35088013

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Vertical quantum dots at high magnetic fields beyond the few-electron limit

Autor: J.W. Janssen, Yasuhiro Tokura, Leo P. Kouwenhoven, M. W. S. Danoesastro, T. H. Oosterkamp, David Guy Austing, Seigo Tarucha

Publikováno v: Physica E: Low-dimensional Systems and Nanostructures. 6:358-363

We describe phenomena that can be studied in vertical quantum dot single electron transistors. Moving from the few -electron to the several - and many -electron regimes, features in the conductance peaks initially related to spin polarization evolve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::406315ce2ea204ac1e6e728ad54cb98f
https://doi.org/10.1016/s1386-9477(99)00169-1

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