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van Baar, B.L.M. (author), Hulst, A.G. (author), de Jong, A.L. (author), Wils, E.R.J. (author), Prins Maurits Laboratorium TNO (author)
In a follow-up of the earlier characterisation of botulinum toxins type A and B (BTxA and BTxB) by mass spectrometry (MS), types C, D, E, and F (BTxC, BTxD, BTxE, BTxF) were now investigated. Botulinum toxins are extremely neurotoxic bacterial toxins, likely to be used as biological warfare agent. Biologically active BTxC, BTxD, BTxE, and BTxF...
article 2004
document
Verhoeckx, K.C.M. (author), Bijlsma, S. (author), Jespersen, S. (author), Ramaker, R. (author), Verheij, E.R. (author), Witkamp, R.F. (author), van der Greef, J. (author), Rodenburg, R.J.T. (author), TNO Voeding Centraal Instituut voor Voedingsonderzoek TNO (author)
The discovery of new anti-inflammatory drugs is often based on an interaction with a specific target, although other pathways often play a primary or secondary role. Anti-inflammatory drugs can be categorized into classes, based on their mechanism of action. In this article we investigate the possibility to characterize novel anti-inflammatory...
article 2004
document
Coulier, L. (author), Bas, R. (author), Jespersen, S. (author), Verheij, E. (author), van der Werf, M.J. (author), Hankemeier, T. (author), TNO Kwaliteit van Leven TNO Voeding (author)
We have developed an analytical method, consisting of ion-pair liquid chromatography coupled to electrospray ionization mass spectrometry (IP-LC-ESI-MS), for the simultaneous quantitative analysis of several key classes of polar metabolites, like nucleotides, coenzyme A esters, sugar nucleotides, and sugar bisphosphates. The use of the ion-pair...
article 2006
document
Bobeldijk, I. (author), Karlsson, D. (author), Pronk, A. (author), Gonsalves, J. (author), Hekman, M. (author), van de Lagemaat, D. (author), Preller, L. (author), Heederik, D. (author), Skarping, G. (author), TNO Kwaliteit van Leven (author)
An adapted method for the quantitative determination of isocyanates in air was implemented and validated in-house. The method was based on air sampling using an impinger flask containing di-n-butylamine (DBA) in toluene and a glass fibre filter in series. The DBA derivatives were determined using liquid chromatography and tandem mass...
article 2008
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Gozalpour, E. (author), Greupink, R. (author), Wortelboer, H.M. (author), Bilos, A. (author), Schreurs, M. (author), Russel, F.G.M. (author), Koenderink, J.B. (author)
Digitalis-like compounds (DLCs) such as digoxin, digitoxin, and ouabain, also known as cardiac glycosides, are among the oldest pharmacological treatments for heart failure. The compounds have a narrow therapeutic window, while at the same time, DLC pharmacokinetics is prone to drug-drug interactions at the transport level. Hepatic transporters...
article 2014
document
Jónasdóttir, H.S. (author), Ioan-Facsinay, A. (author), Kwekkeboom, J. (author), Brouwers, H. (author), Zuurmond, A.M. (author), Toes, R. (author), Deelder, A.M. (author), Giera, M. (author)
Here we present an advanced platform for the analysis of specialized pro-resolving mediators (SPM), including a set of pro-inflammatory lipids and respective biochemical pathway markers. The platform is characterized by a largely simplified sample preparation protocol, employing methanol protein-precipitation instead of solid phase extraction....
article 2014
document
Kasiotis, K.M. (author), Tsakirakis, A.N. (author), Richard Glass, C. (author), Charistou, A.N. (author), Anastassiadou, P. (author), Gerritsen-Ebben, R. (author), Machera, K. (author)
A dislodgeable foliar residue study was conducted in greenhouse pepper and tomato on the island of Crete, Greece, following the spray application of an SC insecticide (with active substance (a.s.) tebufenozide) and an EC fungicide (a.s. bupirimate). Furthermore, for the assessment of worker exposure to pesticides – as a result of re-entering the...
article 2017
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