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Marcel Willemsen

Explore the profile of Marcel Willemsen including associated specialties, affiliations and a list of published articles. Areas
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Articles 5
Citations 152
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Recent Articles
1.
Haijes H, Willemsen M, van der Ham M, Gerrits J, Pras-Raves M, Prinsen H, et al.
Metabolites . 2019 Jan; 9(1). PMID: 30641898
In metabolic diagnostics, there is an emerging need for a comprehensive test to acquire a complete view of metabolite status. Here, we describe a non-quantitative direct-infusion high-resolution mass spectrometry (DI-HRMS)...
2.
Ramos R, Pras-Raves M, Gerrits J, van der Ham M, Willemsen M, Prinsen H, et al.
J Inherit Metab Dis . 2017 Aug; 40(6):883-891. PMID: 28801717
Pyridoxal 5'-phosphate (PLP), the metabolically active form of vitamin B6, plays an essential role in brain metabolism as a cofactor in numerous enzyme reactions. PLP deficiency in brain, either genetic...
3.
de Sain-van der Velden M, van der Ham M, Gerrits J, Prinsen H, Willemsen M, Pras-Raves M, et al.
Anal Chim Acta . 2017 Jun; 979:45-50. PMID: 28599708
Diagnosis and treatment of inborn errors of metabolism (IEM) require the analysis of a variety of metabolites. These compounds are usually quantified by targeted platforms. High resolution mass spectrometry (HRMS)...
4.
Schopman N, van Montfort T, Willemsen M, Knoepfel S, Pollakis G, van Kampen A, et al.
Virus Res . 2012 Jun; 169(2):438-47. PMID: 22728443
Retroviral particles are known to package specific host cell components such as RNA molecules in addition to the two copies of the viral RNA genome. The highly sensitive SOLiD sequencing...
5.
Schopman N, Willemsen M, Liu Y, Bradley T, van Kampen A, Baas F, et al.
Nucleic Acids Res . 2011 Sep; 40(1):414-27. PMID: 21911362
Small virus-derived interfering RNAs (viRNAs) play an important role in antiviral defence in plants, insects and nematodes by triggering the RNA interference (RNAi) pathway. The role of RNAi as an...