Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Book of abstracts: life sciences: looking across disciplines : ELLS Scientific Student Conference, Wageningen University & Research, November 9th-10th, 2018
    Sinke, Ida ; Troost, Mirjam - \ 2018
    Wageningen : Wageningen University & Research - ISBN 9789463433631 - 144
    Anaerobic degradation of a mixture of MtBE, EtBE, TBA, and benzene under different redox conditions
    Waals, Marcelle J. van der; Pijls, Charles ; Sinke, Anja J.C. ; Langenhoff, Alette A.M. ; Smidt, Hauke ; Gerritse, Jan - \ 2018
    Applied Microbiology and Biotechnology 102 (2018)7. - ISSN 0175-7598 - p. 3387 - 3397.
    Anaerobic degradation - Benzene - Cometabolism - Electron acceptors - EtBE - MtBE - TBA
    The increasing use of biobased fuels and fuel additives can potentially change the typical fuel-related contamination in soil and groundwater. Anaerobic biotransformation of the biofuel additive ethyl tert-butyl ether (EtBE), as well as of methyl tert-butyl ether (MtBE), benzene, and tert-butyl alcohol (TBA, a possible oxygenate metabolite), was studied at an industrially contaminated site and in the laboratory. Analysis of groundwater samples indicated that in the field MtBE was degraded, yielding TBA as major product. In batch microcosms, MtBE was degraded under different conditions: unamended control, with medium without added electron acceptors, or with ferrihydrite or sulfate (with or without medium) as electron acceptor, respectively. Degradation of EtBE was not observed under any of these conditions tested. TBA was partially depleted in parallel with MtBE. Results of microcosm experiments with MtBE substrate analogues, i.e., syringate, vanillate, or ferulate, were in line with the hypothesis that the observed TBA degradation is a cometabolic process. Microcosms with ferulate, syringate, isopropanol, or diethyl ether showed EtBE depletion up to 86.5% of the initial concentration after 83 days. Benzene was degraded in the unamended controls, with medium without added electron acceptors and with ferrihydrite, sulfate, or chlorate as electron acceptor, respectively. In the presence of nitrate, benzene was only degraded after addition of an anaerobic benzene-degrading community. Nitrate and chlorate hindered MtBE, EtBE, and TBA degradation.
    Sustainable Energy Transition: A New Dimension in the Dutch Landscape
    Uyterlinde, Martine ; Londo, Marc ; Sinke, Wim ; Roosmalen, John van; Eecen, Peter ; Brink, Ruud van den; Stremke, S. ; Brink, A. van den; Waal, R.M. de - \ 2017
    Petten : ECN - 16
    De energietransitie: een nieuwe dimensie in ons landschap
    Uyterlinde, Martine ; Londo, Marc ; Sinke, Wim ; Roosmalen, John van; Eecen, Peter ; Brink, Ruud van den; Stremke, Sven ; Brink, Adri van den; Waal, Renée de - \ 2017
    Petten : ECN - 15
    De transitie naar een duurzame energievoorziening heeft op veel terreinen ingrijpende gevolgen voor onze samenleving. Het gaat onder meer om een verandering van leefomgeving en landschap. Voor een succesvolle energietransitie is het nodig om nu al rekening te houden met de ruimtelijke vormgeving van nieuwe energielandschappen en de manier waarop die tot stand komen. Dit betekent dat alle betrokkenen samen energielandschappen ontwerpen waarin mens en technologie elkaar op een nieuwe manier ontmoeten. Een andere manier van denken: niet het ruimtelijk inpassen, maar het creëren van landschappen die door mensen worden gewaardeerd en economisch haalbaar zijn. Landschappen die zorgen dat de overgang naar een duurzame, koolstofarme toekomst breed gedragen wordt en snel kan plaatsvinden. ECN en WUR hebben hun kennis over energietechnologie en landschapsarchitectuur gebundeld in dit paper. Zo willen ze een bijdrage leveren aan de discussie over wat wenselijk en noodzakelijk is om de energietransitie ruimtelijk in goede banen te leiden.
    Measurement of allergen-specific IgG in serum is of limited value for the management of dogs diagnosed with cutaneous adverse food reactions
    Hagen-Plantinga, E.A. ; Leistra, M.H.G. ; Sinke, J.D. ; Vroom, M.W. ; Savelkoul, H.F.J. ; Hendriks, W.H. - \ 2017
    The Veterinary Journal 220 (2017). - ISSN 1090-0233 - p. 111 - 116.
    Cutaneous adverse food reactions - Dogs - Food allergens - Food allergy - IgG ELISA
    Conflicting results have been reported in the literature in terms of the usefulness of serological testing for IgG against food allergens in dogs with cutaneous adverse food reaction (CAFR). The aim of the present study was to evaluate the suitability of a commercially available IgG ELISA for identifying food allergens in dogs, by challenging dogs with specific food ingredients, selected on the basis of IgG reactivity in serum samples. A total of 24 adult dogs with CAFR were enrolled into the study and 16 healthy dogs were included as a control group. Blood samples were obtained for measurement of specific IgG antibodies against 39 commonly used pet food ingredients by ELISA. Participating owners were surveyed to obtain information on their pet's dietary history. Eleven healthy control dogs and 12 dogs with CAFR were subsequently challenged in a blinded cross-over design experiment with both positive and negative food ingredients, selected on the basis of the ELISA test results. There was substantial individual variation in ELISA test results to the various food allergens, but no significant difference in IgG reactivity comparing the CAFR and control groups. None of the control dogs developed any clinical signs of an allergic reaction during the dietary challenge study. In the CAFR group, six of 12 dogs developed clinical signs after the negative challenge, and two of nine dogs developed clinical signs after the positive challenge. It was concluded that the ELISA test for dietary allergen-specific IgG is of limited value in the management of dogs with CAFR.
    Research news : EU-project 'Sustainpack'
    Snijder, M.H.B. ; Sinke, R.J. - \ 2010
    verpakkingsmaterialen - europese unie - karton - natuurlijke vezels - biobased economy - bioplastics - biopolymeren - publiek-private samenwerking - Nederland - packaging materials - european union - paperboard - natural fibres - biobased economy - bioplastics - biopolymers - public-private cooperation - Netherlands
    Poster met informatie over het EU-project 'Sustainpack', waarin onderzoek gedaan wordt naar het gebruik van natuurlijke vezels voor de productie van verpakkingsmateriaal.
    De linde terug in het bos : verslag veldwerkplaats Droog zandlandschap Doorwerth, 9 mei 2008
    Hommel, P.W.F.M. ; Ouden, J. den; Sinke, R. - \ 2008
    [S.l. : S.n. - 4
    bosecologie - zandgronden - strooisel - kwaliteit - bodem - verzuring - ph - bostypen - herstelbeheer - veluwe - forest ecology - sandy soils - litter (plant) - quality - soil - acidification - ph - forest types - restoration management - veluwe
    Verslag van de veldwerkdag Droog zandlandschap in Doorwerth op 9 mei 2008. Tijdens deze veldwerkdag is in de bossen bij kasteel Doorwerth gekeken naar de 0strooisellaag van verschillende bostypen. Aanplant van lindes in een eikenbeukenbos op een relatief arme bodem geeft een zichtbare verbetering van de strooisellaag. De verzuring die in bossen plaatsvindt kan op deze manier plaatselijk worden bestreden. De aanplant van linde en andere boomsoorten met goed verterend strooisel kan dus een bijdrage leveren aan het oplossen van het verzuringsprobleem. Daarbij leidt de verbeterde strooiselkwaliteit tot een verhoging van biodiversiteit en bloemenpracht in het voorjaar.
    Weathering and toxicity of marine sediments contaminated with oils and polycyclic aromatic hydrocarbons
    Jonker, M.T.O. ; Sinke, A. ; Brils, J.M. ; Murk, A.J. ; Koelmans, A.A. - \ 2006
    Environmental Toxicology and Chemistry 25 (2006)5. - ISSN 0730-7268 - p. 1345 - 1353.
    in-vitro bioassay - crude-oil - petroleum-hydrocarbons - microbial-degradation - estuarine ecosystems - unresolved complex - spill - biodegradation - bioremediation - environment
    Many sediments are contaminated with mixtures of oil residues and polycyclic aromatic hydrocarbons (PAHs), but little is known about the toxicity of such mixtures to sediment-dwelling organisms and the change in toxicity on weathering. In the present study, we investigated the effects of a seminatural, two-year weathering period on PAH/oil chemistry and toxicity in a marine sediment that had been spiked with three different oils (a gas oil, a lubricating oil, and a crude oil; all tested at five concentrations). Toxicity of bioavailable, pore water¿accommodated oil/PAH fractions was quantified using a bacterial (Vibrio fischeri) assay and the in vitro chemical-activated luciferase expression assay (DR-CALUX; using conditions to detect PAHs). Results of chemical analyses pointed to (microbial) degradation of all three oils: Sediment oxygen demand during weathering increased with increasing oil concentration, total oil concentrations decreased to between 17 and 29% of initial levels, and resolved n-alkanes were depleted in weathered oil fractions. Furthermore, a shift in the relative importance of different boiling-point fraction ranges of the oils was observed on weathering. Generally, the lowest fraction range (C10¿C16) disappeared, whereas the relative proportion of the highest (C28¿C40) fraction range increased considerably. Remarkably, for the gas oil, this fraction shift was dependent on the oil concentration in sediment. Similarly, degradation of PAHs was strongly affected by the sedimentary oil content, indicating that the presence of oil stimulated PAH degradation. This phenomenon applied to both low- and high-molecular-weight PAHs, although the first group (3- and 4-ring PAHs) was degraded most. Results from the V. fischeri and DR-CALUX assay showed that in most cases, pore-water toxicity decreased on weathering. Combining the assay responses with chemical data indicated that the observed toxicity probably was not caused by the analyzed PAHs but, rather, by specific oil constituents instead.
    Energietransitie papier en karton : samenvatting brainstorm Wageningen UR 27 september 2004
    Sinke, R.J. ; Westenbroek, A.P.H. ; Jong, E. de - \ 2004
    Wageningen : Agrotechnology & Food Innovations (Rapport / Agrotechnology & Food Innovations 230) - 30
    Improved level and control of stiffness
    Sinke, R.J. - \ 2004
    paper - sizing - quality - paperboard - applications - properties - biobased economy - production processes
    Optimalisatie stijfheid van papier en karton
    Sinke, R.J. - \ 2004
    Wageningen : Agrotechnology & Food Innovations
    papier - karton - kwaliteit - verbetering - stijven - meettechnieken - biobased economy - paper - paperboard - quality - improvement - sizing - measurement techniques - biobased economy
    Poster met informatie over het project ‘Optimalisatie Stijfheid’. In het project worden verschillende deelonderzoeken uitgevoerd, in kleinere groepen. De resultaten zijn gericht op korte-termijn implementatie bij de bedrijven.
    Enhancing paper properties through use of new chemicals and nanocomposites
    Sinke, R.J. - \ 2004
    Improved level and control of stiffness
    Sinke, R.J. - \ 2004
    paper - pulp and paper industry - paperboard - sizing - quality - cooperation - compressive strength - tensile strength - bending strength - applications - biobased economy - supply chain management
    How to deal with the effects of recycling?
    Sinke, R.J. - \ 2004
    paper - recycling - pulps - fibres - properties - quality - ash - washing - analytical methods - biobased economy
    Is saneren wel altijd nodig?
    Jonker, M.T.O. ; Koelmans, A.A. ; Sinke, A. ; Brils, A. - \ 2004
    H2O : tijdschrift voor watervoorziening en afvalwaterbehandeling 37 (2004). - ISSN 0166-8439 - p. 28 - 30.
    verontreinigingsbeheersing - polychloorbifenylen - polycyclische koolwaterstoffen - dioxinen - besluitvorming - schoonmaken - waterorganismen - waterbodems - pollution control - polychlorinated biphenyls - polycyclic hydrocarbons - dioxins - decision making - cleaning - aquatic organisms - water bottoms
    Recent onderzoek heeft aangetoond dat zowel roet- en kooldeeltjes als verweerde olieresiduen giftige organische verontreinigingen,zoals PAK, extreem sterk kunnen binden. Deze materialen zijn wijd verspreid in waterbodems en kunnen ervoor zorgen dat de giftige stoffen vele malen minder worden opgenomen door organismen dan tot nu toe werd aangenomen. De huidige risico-evaluatieprocedure voor waterbodems gaat volledig voorbij aan dit feit, waardoor risico's kunnen worden overschat. Het is daardoor mogelijk dat saneringen plaatsvinden die in feite niet noodzakelijk zijn. De in dit onderzoek ontwikkelde methode kan helpen om hierover uitsluitsel te geven
    Silicon surface passivation by organic monolayers: Minority charge carrier lifetime measurements and Kelvin probe investigations
    Sieval, A.B. ; Huisman, C.L. ; Schonecker, A. ; Schuurmans, F.M. ; Heide, A.S.H. van der; Goossens, A. ; Sinke, W.C. ; Zuilhof, H. ; Sudhölter, E.J.R. - \ 2003
    The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical 107 (2003)28. - ISSN 1520-6106 - p. 6846 - 6852.
    hydrogen-terminated silicon - ultrathin sio2 overlayers - alkyl monolayers - recombination velocity - photoconductance decay - si(111) surfaces - germanium surfaces - si-sio2 interface - si(100) surface - air
    The silicon surface passivation of monolayers of organic compounds that are bound to Si surfaces by a covalent Si-C bond has been investigated. The effective lifetime eff of minority charge carriers in the surface-modified semiconductor has been determined by modulated free carrier absorption (MFCA) measurements. The results show that on 1-2 ·cm p-type Si(100) surfaces modified with a monolayer obtained from CH2=CH-(CH2)8-C(=O)-O-CH3 maximum effective lifetimes eff 130 s can be obtained. This value corresponds to a maximum surface recombination velocity Seff of 120 cm/s, a value that is similar to those obtained using other passivation techniques, which demonstrates that these monolayers provide an interesting alternative for silicon surface passivation. During these MFCA measurements an unusual time dependence of the effective lifetime is observed: eff rises continuously during illumination of the substrate. Kelvin probe measurements show that there is a slow shift of the Fermi level of the semiconductor under illumination, which seems to be the result of a slow, reversible filling of surface traps
    Sorption of polycyclic aromatic hydrocarbons to oil contaminated sediments: Unresolved Complex?
    Jonker, M.T.O. ; Sinke, A. ; Brils, J.M. ; Koelmans, A.A. - \ 2003
    Environmental Science and Technology 37 (2003)22. - ISSN 0013-936X - p. 5197 - 5203.
    hydrophobic organic-chemicals - diesel fuel - soils - desorption - water - soot - petroleum - pcb - pah - ecosystems
    Oil is ubiquitous in aquatic sediments and may affect partitioning and bioavailability of hydrophobic organic chemicals (HOCs). In contrast to other sedimentary hydrophobic carbon phases (natural organic matter, soot-like materials), oil residues have hardly received any attention as far as it concerns effects on HOC sorption. This paper describes experimental work dealing with such effects of oil on polycyclic aromatic hydrocarbon (PAH) sorption to sediments. Three different oils were spiked to a marine sediment in concentrations between 0 and 100 g/kg. Sediment-water distribution coefficients (K-d) for six deuterated PAHs were then determined either directly after spiking the oil or after a semi-natural weathering process in the lab (lasting for more than 2 yr). Resulting Kd values demonstrated sorption-reducing (competitive) effects at relatively low oil concentrations and sorption-enhancing effects at high oil concentrations. The latter effects only occurred above a certain threshold [i.e., ca. 15% (w/w) of oil on a sedimentary organic carbon basis] marking the oil concentration at which the hydrocarbon mixture presumably starts forming separate phases. Assuming a two-domain (organic carbon + oil) distribution model, oil-water distribution coefficients (K-oil)for PAHs were estimated. For fresh oils, log Koil values appeared to be very similar for different types of oils, proportional to log K-OW values and indistinguishable from log K-OC values. For weathered oils, K-oil values were also rather independent of the type of oil, but the affinity of low molecular weight PAHs for weathered oil residues appeared to be extremely high, even higher than values reported for most types of soot. Because affinities of high molecular weight PAHs for oils had not changed upon weathering, sorption of all PAHs studied (comprising a log K-OW range of 4.6-6.9) to the weathered Oil residues appeared to be more or less constant (averaged log K-oil = 7.0 +/- 0.24). These results demonstrate that it is crucial to take the presence of oil and its weathering state into account when assessing the actual fate of PAHs in aquatic environments.
    Natural fibre reinforced sheet moulding compound
    Voorn, B. van; Smit, H.H.G. ; Sinke, R.J. ; Klerk, B. de - \ 2001
    Composites Part A: Applied Science and Manufacturing 32 (2001)9 (Special issue). - ISSN 1359-835X - p. 1271 - 1279.
    Effects of acute copper contamination on photosynthesis and biomass of periphyton determined with pulse amplitude modulated fluorescence
    Barranguet, C. ; Jonker, M. ; Sinke, J. ; Admiraal, W. - \ 2001
    In: International association of theoretical and applied limnology, Dublin, 1998. - Stuttgart : [s.n.], 2001 - p. 3195 - 3198.
    MODEM : Modelgebaseerde Regeling voor Optimale Aardappelbewaring : voortgangsrapportage juli - december 1998 en eindrapportage MODEM-project
    Verdijck, G. ; Hak, P. ; Hoving, M. ; Kolk, G. van der; Maldegem, J. van; Kleef, W. van; Ooijen, M. van; Sewathal, H. ; Sinke, K. ; Ceton, C. - \ 1999
    Wageningen : Agrotechnological Research Institute (ATO-DLO) (Rapport / Agrotechnological Research Institute B389) - 54
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