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document
Wiefferink, C.H. (author), Detmar, S.B. (author), Coumans, B. (author), Vogels, T. (author), Paulussen, T.G.W. (author), TNO Kwaliteit van Leven (author)
The aim of this study is to identify the social psychological determinants of the use of performance-enhancing drugs by gym users who practice bodybuilding, fitness, powerlifting or combat sports. In this questionnaire-based study, 144 respondents answered questions on their actual use and intention to use such drugs and also on their background...
article 2008
document
Kaptein, S. (author), Jansen, D.E.M.C. (author), Vogels, A.G.C. (author), Reijneveld, S.A. (author), TNO Kwaliteit van Leven (author)
Background: The assessment of mental health problems in children with intellectual disability (ID) mostly occurs by filling out long questionnaires that are not always validated for children without ID. The aim of this study is to assess the differences in mental health problems between children with ID and without ID, using a short...
article 2008
document
Vogels, A.G.C. (author), Jacobusse, G.W. (author), Hoekstra, F. (author), Brugman, E. (author), Crone, M. (author), Reijneveld, S.A. (author), TNO Kwaliteit van Leven (author)
Objective: To assess whether differences between individual Preventive Child Health Care (PCH) professionals in the percentage of children they identify as having psychosocial problems are larger than expected based on chance and whether such differences can be explained by differences in parent-reported problems or risk indicators. Study Design...
article 2008
document
van Doorn, M. (author), Vogels, J. (author), Tas, A. (author), van Hoogdalem, E.J. (author), Burggraaf, J. (author), Cohen, A. (author), van der Greef, J. (author), TNO Kwaliteit van Leven (author)
Aims: To explore the usefulness of metabolomics as a method to obtain a broad array of biomarkers for the pharmacological effects of rosiglitazone (RSG) in plasma and urine samples from patients with type 2 diabetes mellitus (T2DM) and healthy volunteers (HVs). Additionally, we explored the differences in metabolite concentrations between T2DM...
article 2007
document
Schoonen, W.G.E.J. (author), Kloks, C.P.A.M. (author), Ploemen, J.P.H.T.M. (author), Horbach, G.J. (author), Smit, M.J. (author), Zandberg, P. (author), Mellema, J.R. (author), van Zuylen, C.T. (author), Tas, A.C. (author), van Nesselrooij, J.H.J. (author), Vogels, J.T.W.E. (author), TNO Kwaliteit van Leven (author)
1H nuclear magnetic resonance (NMR) spectroscopy of rat urine in combination with pattern recognition analysis was evaluated for early noninvasive detection of toxicity of investigational chemical entities. Bromobenzene (B) and paracetamol (P) were administered at five single oral dosages between 2 and 500 mg/kg and between 6 and 1800 mg/kg,...
article 2007
document
Schoonen, W.G.E.J. (author), Kloks, C.P.A.M. (author), Ploemen, J.-P.H.T.M. (author), Smit, M.J. (author), Zandberg, P. (author), Horbach, G.J. (author), Mellema, J.-R. (author), van Zuylen, C.T. (author), Tas, A.C. (author), van Nesselrooij, J.H.J. (author), Vogels, J.T.W.E. (author), TNO Kwaliteit van Leven (author)
A procedure of nuclear magnetic resonance (NMR) urinalysis using pattern recognition is proposed for early detection of toxicity of investigational compounds in rats. The method is applied to detect toxicity upon administration of 13 toxic reference compounds and one nontoxic control compound (mianserine) in rats. The toxic compounds are...
article 2007
document
Lamers, R.-J.A.N. (author), de Groot, J. (author), Spies-Faber, E.J. (author), Jellema, R.H. (author), Kraus, V.B. (author), Verzijl, N. (author), te Koppele, J.M. (author), Spijksma, G.K. (author), Vogels, J.T.W.E. (author), van der Greef, J. (author), van Nesselrooij, J.H.J. (author)
Osteoarthritis (OA), one of the most common diseases among the elderly, is characterized by the progressive destruction of joint tissues. Its etiology is largely unclear and no effective disease-modifying treatment is currently available. Metabolic fingerprinting provides a novel tool for the identification of biomarkers. A metabolic fingerprint...
article 2003
document
Stierum, R. (author), Gaspari, M. (author), Dommels, Y. (author), Ouatas, T. (author), Pluk, H. (author), Jespersen, S. (author), Vogels, J. (author), Verhoeckx, K. (author), Groten, J. (author), van Ommen, B. (author)
Here, we describe a proteomics approach to study protein expression changes in differentiating Caco-2 cells. Caco-2 is a colorectal carcinoma cell line, which upon differentiation loses its tumorigenic phenotype and displays characteristics of mature enterocytes, including brush borders with microvilli. Cells were grown in culture flasks and...
article 2003
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't Hart, B.A. (author), Vogels, J.T.W.E. (author), Spijksma, G. (author), Brok, H.P.M. (author), Polman, C. (author), van der Greef, J. (author), Primatencentrum TNO (author)
Proton nuclear magnetic resonance (1H-NMR) spectroscopy in combination with pattern recognition techniques were used to investigate the composition of organic compounds in urines from patients with multiple sclerosis (MS), patients with other neurological diseases (OND) and healthy controls (H). Using a valid animal model of MS, namely the...
article 2003
document
Rompelberg, C.J.M. (author), Vogels, J.T.W.E. (author), de Vogel, N. (author), Bruijntjes-Rozier, G.C.D.M. (author), Stenhuis, W.H. (author), Bogaards, J.J.P. (author), Verhagen, H. (author), TNO Voeding (author)
1. In order to study the antigenotoxic potential of eugenol in humans, ten healthy non-smoking males ingested a daily amount of 150 mg eugenol or the placebo for seven consecutive days. After a washout period of one week, groups ingesting eugenol or the placebo were crossed and received the other treatment for seven consecutive days. 2. On days...
article 1996
document
Baleiras Couto, M.M. (author), Vogels, J.T.W.E. (author), Hofstra, H. (author), Huis in 'tVeld, J.H.J. (author), van der Vossen, J.M.B.M. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
The random amplified polymorphic DNA (RAPD) assay and the restriction enzyme analysis of PCR amplified rDNA are compared for the identification of the common spoilage yeasts Zygosaccharomyces bailii, Z. rouxii, Saccharomyces cerevisiae, Candida valida and C. lipolytica. Both techniques proved to be adequate tools for yeast identification. Since...
article 1995
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