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Wang, Gangqi (author), Heijs, Bram (author), Kostidis, Sarantos (author), Mahfouz, A.M.E.T.A. (author), Rietjens, Rosalie G.J. (author), Bijkerk, Roel (author), Koudijs, Angela (author), van der Pluijm, Loïs A.K. (author), van den Berg, Cathelijne W. (author)A common drawback of metabolic analyses of complex biological samples is the inability to consider cell-to-cell heterogeneity in the context of an organ or tissue. To overcome this limitation, we present an advanced high-spatial-resolution metabolomics approach using matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI...journal article 2022
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De Rooij-Lohmann, V.I.T.A. (author), Veldhuizen, L.W. (author), Zoethout, E. (author), Yakshin, A.E. (author), Van de Kruijs, R.W.E. (author), Thijsse, B.J. (author), Gorgoi, M. (author), Schäfers, F. (author), Bijkerk, F. (author)To enhance the thermal stability, B4C diffusion barrier layers are often added to Mo/Si multilayer structures for extreme ultraviolet optics. Knowledge about the chemical interaction between B4C and Mo or Si, however is largely lacking. Therefore, the chemical processes during annealing up to 600?°C of a Mo/B4C/Si layered structure have been...journal article 2010
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Kessels, M.J.H. (author), Bijkerk, F. (author), Tichelaar, F.D. (author), Verhoeven, J. (author)We developed and demonstrate an analysis method in which we calibrate the intensity scale of cross-sectional transmission electron microscopy (TEM) using Cu K? reflectometry. This results in quantitative in-depth density profiles of multilayer structures. Only three free parameters are needed to obtain the calibrated profiles, corresponding to...journal article 2005
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Bijkerk, R. (author), Dekker, P.I. (author), Tydeman, P. (author)(See below for an extended English summary. Although the main content of the rapport is in Dutch) De borstelworm Heteromastus filiformis ("draadworm") komt algemeen voor in de intergetijdezone en het sublitoraal van de Nederlandse kustwateren en estuaria. De soort prefereert fijnzandige, slikkige sedimenten. Het dier leeft permanent ingegraven...report 1996
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- Bijkerk, C. (author) public lecture 1969