Searched for: subject%3A%22Microorganisms%22
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Zhang, X. (author), Hoogeland, M.G. (author)
After chain making, proof load testing is used to evaluate if the chains are mechanically qualified. However, proof load testing may bring elongation in the chain links that may affect the corrosion performance of mooring chains in seawater. The influence of deformation and microorganisms on the corrosion properties of chain steel in seawater...
article 2019
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Collins, S.L. (author), McMillan, A. (author), Seney, S. (author), van der Veer, C. (author), Kort, R. (author), Sumarah, M.W. (author), Reid, G. (author)
Perturbations to the vaginal microbiota can lead to dysbiosis, including bacterial vaginosis (BV), which affects a large portion of the female population. In a healthy state, the vaginal microbiota is characterized by low diversity and colonization by Lactobacillus spp., whereas in BV, these species are displaced by a highly diverse population...
article 2018
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Nieuwland, M. (author), Papen-Botterhuis, N.E. (author), Drost, W.C. (author), Slaghek, T.M. (author), Erich, B.S.J.F. (author)
tA responsive release system consisting of biocide encapsulated by the hydrophobic protein zein wasinvestigated, in which a biocide will be released if growth of micro-organisms occurs. Because biociderelease is difficult to detect, a model system using dyes with different size, polarity and charge wasdeveloped first to study the applicability...
article 2016
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Loman, S. (author), van der Kamp, J.W. (author), Centraal Instituut voor Voedingsonderzoek TNO (author)
Background: Current dietary and public health recommendations addressing obesity do not as yet include recommendations pertaining to the gut microbiome. As a corollary, no microbiome-related health claims made on foods have as yet been proposed. Scope: The MyNewGut project aims, amongst others, to provide guidance for the establishment of...
article 2016
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Barlow, S.M. (author), Boobis, A.R. (author), Bridges, J. (author), Cockburn, A. (author), Dekant, W. (author), Hepburn, P. (author), Houben, G.F. (author), König, J. (author), Nauta, M.J. (author), Schuermans, J. (author), Bánáti, D. (author)
Background: Food legislation in the European Union and elsewhere includes both hazard- and risk-based approaches for ensuring safety. In hazard-based approaches, simply the presence of a potentially harmful agent at a detectable level in food is used as a basis for legislation and/or risk management action. Risk-based approaches allow...
article 2015
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Majchrzykiewicz-Koehorst, J.A. (author), Heikens, E. (author), Trip, H. (author), Hulst, A.G. (author), de Jong, A.L. (author), Viveen, M.C. (author), Sedee, N.J.A. (author), van der Plas, J. (author), Coenjaerts, F.E.J. (author), Paauw, A. (author)
The rapid identification of existing and emerging respiratory viruses is crucial in combating outbreaks and epidemics. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) is a rapid and reliable identification method in bacterial diagnostics, but has not been used in virological diagnostics. Mass...
article 2015
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Borgdorff, H. (author), Tsivtsivadze, E. (author), Verhelst, R. (author), Marzorati, M. (author), Jurriaans, S. (author), Ndayisaba, G.F. (author), Schuren, F.H. (author), van de Wijgert, J.H.H.M. (author)
Cervicovaginal microbiota not dominated by lactobacilli may facilitate transmission of HIV and other sexually transmitted infections (STIs), as well as miscarriages, preterm births and sepsis in pregnant women. However, little is known about the exact nature of the microbiological changes that cause these adverse outcomes. In this study,...
article 2014
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Majchrzykiewicz-Koehorst, J.A. (author), Heikens, E. (author), Trip, H. (author), Hulst, A.G. (author), de Jong, A.L. (author), Viveen, M.C. (author), Sedee, N.J.A. (author), van der Plas, J. (author), Coenjaerts, F.E.J. (author), Paauw, A. (author)
Tested respiratory viruses: influenza A virus, respiratory syncytial virus (RSV) and human metapneumovirus (hMPV), were successfully identified directly from crude cell cultures using liquid chromatography-tandem MS (LC-MS/MS). The identification was preceded with the simple, generic and fast sample preparation method. The determined...
conference paper 2014
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Heyer, A. (author), D'Souza, F. (author), Morales, C.F.L. (author), Ferrari, G. (author), Mol, J.M.C. (author), de Wit, J.H.W. (author)
Microbiologically Influenced Corrosion (MIC) is the term used for the phenomenon in which corrosion is initiated and/or accelerated by the activities of microorganisms. MIC is a very serious problem for the ship industry as it reduces structural lifetime in combination with safety risks for crewmembers or inspection personal and increases...
article 2013
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Roodenburg, B. (author), de Haan, S.W.H. (author), Ferreira, J.A. (author), Coronel, P. (author), Wouters, P.C. (author), Hatt, V. (author)
Generally, high grade products such as pulsed electric field (PEF) treated fruit juices are packaged after their preservative treatment. However, PEF treatment after packaging could avoid recontamination of the product and becomes feasible when electric field pulses of sufficient magnitude can be generated inside closed food containments....
article 2013
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Molhoek, E.M. (author), van Dijk, A. (author), Veldhuizen, E.J.A. (author), Haagsman, H.P. (author), Bikker, F.J. (author)
A truncated version of host defense peptide chicken cathelicidin-2, C1-15, possesses potent, broad spectrum antibacterial activity. A variant of this peptide, F2,5,12W, which contains 3 phenylalanine to tryptophan substitutions, possesses improved antibacterial activity and lipopolysaccharide (LPS) neutralizing activity compared to C1-15. In...
article 2011
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Dieser, M. (author), Nocker, A. (author), Priscu, J.C. (author), Foreman, C.M. (author), TNO Kwaliteit van Leven (author)
The permanent ice covers of the McMurdo Dry Valley lakes, Antarctica, are colonized by a diverse microbial assemblage. We collected ice cores from Lakes Fryxell, Hoare and Bonney. Propidium monoazide (PMA) was used in combination with quantitative PCR (qPCR) and denaturing gradient gel electrophoresis (DGGE) to examine membrane integrity of...
article 2010
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TNO Kwaliteit van Leven (author), Wierckx, N. (author), Koopman, F. (author), Bandounas, L. (author), de Winde, J.H. (author), Ruijssenaars, H.J. (author)
The formation of toxic fermentation inhibitors such as furfural and 5-hydroxy-2-methylfurfural (HMF) during acid (pre-)treatment of lignocellulose, calls for the efficient removal of these compounds. Lignocellulosic hydrolysates can be efficiently detoxified biologically with microorganisms that specifically metabolize the fermentation...
article 2010
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Boele, L.C.L. (author), Bajramovic, J.J. (author), de Vries, A.M.M.B.C. (author), Voskamp-Visser, I.A.I. (author), Kaman, W.E. (author), van der Kleij, D. (author), TNO Defensie en Veiligheid (author)
Activation of pattern recognition receptors such as Toll-like receptors (TLRs) by pathogens leads to activation and maturation of dendritic cells (DC), which orchestrate the development of the adaptive immune response. To create an overview of the effects of a broad range of pathogenic bacteria, their capacity to activate TLRs and to affect DC...
article 2009
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Ponstein-Simarro Doorten, A.Y. (author), van de Wiel, J.A.G. (author), Jonker, D. (author), TNO Kwaliteit van Leven (author)
Tensguard™ is a milk protein hydrolysate containing the lactotripeptide IPP. It is derived from cow's milk, which is present in the human diet and has a safe history of consumption. The final Tensguard™ product, a supplement or a functional food ingredient, is intended for use by people who want to follow a healthy diet and lifestyle in order to...
article 2009
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Rijsdijk, K.F. (author), Hume, J.P. (author), Bunnik, F. (author), Florens, F.B.V. (author), Baider, C. (author), Shapiro, B. (author), van der Plicht, J. (author), Janoo, A. (author), Griffiths, O. (author), van den Hoek Ostende, L.W. (author), Cremer, H. (author), Vernimmen, T. (author), de Louw, P.G.B. (author), Bholah, A. (author), Saumtally, S. (author), Porch, N. (author), Haile, J. (author), Buckley, M. (author), Collins, M. (author), Gittenberger, E. (author), TNO Bouw en Ondergrond (author)
Although the recent history of human colonisation and impact on Mauritius is well documented, virtually no records of the pre-human native ecosystem exist, making it difficult to assess the magnitude of the changes brought about by human settlement. Here, we describe a 4000-year-old fossil bed at Mare aux Songes (MAS) in south-eastern Mauritius...
article 2009
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Volkers, R.J.M. (author), Ballerstedt, H. (author), Ruijssenaars, H. (author), de Bont, J.A.M. (author), de Winde, J.H. (author), Wery, J. (author), TNO Kwaliteit van Leven (author)
Pseudomonas putida S12 is well known for its remarkable solvent tolerance. Transcriptomics analysis of this bacterium grown in toluene-containing chemostats revealed the differential expression of 253 genes. As expected, the genes encoding one of the major solvent tolerance mechanisms, the solvent efflux pump SrpABC and its regulatory genes...
article 2009
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Koopman, F.W. (author), de Winde, J.H. (author), Ruijssenaars, H.J. (author), TNO Kwaliteit van Leven (author)
The solvent-tolerant bacterium Pseudomonas putida S12 was engineered to efficiently utilize the C1 compounds methanol and formaldehyde as auxiliary substrate. The hps and phi genes of Bacillus brevis, encoding two key steps of the ribulose monophosphate (RuMP) pathway, were introduced to construct a pathway for the metabolism of the toxic...
article 2009
document
TNO Kwaliteit van Leven (author), Verhoef, S. (author), Wierckx, N. (author), Westerhof, R.G.M. (author), Winde, J.H.de (author), Ruijssenaars, H.J. (author)
Two solvent-tolerant Pseudomonas putida S12 strains, originally designed for phenol and p-coumarate production, were engineered for efficient production of p-hydroxystyrene from glucose. This was established by introduction of the genes pal and pdc encoding L-phenylalanine/L-tyrosine ammonia lyase and p-coumaric acid decarboxylase, respectively....
article 2009
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Paauw, A. (author), Caspers, M.P.M. (author), Leverstein-van Hall, M.A. (author), Schuren, F.H.J. (author), Montijn, R.C. (author), Verhoef, J. (author), Fluit, A.C. (author), TNO Kwaliteit van Leven (author)
Bacterial strains differ in their ability to cause hospital outbreaks. Using comparative genomic hybridization, Enterobacter cloacae complex isolates were studied to identify genetic markers specific for Enterobacter cloacae complex outbreak strains. No outbreak-specific genes were found that were common in all investigated outbreak strains....
article 2009
Searched for: subject%3A%22Microorganisms%22
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