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Publications
Optimized reflector stacks for solidly mounted bulk acoustic wave resonatorsSumy Jose
MESA Institute for Nanotechnology, Semiconductor Components, University of Twente, The Netherlands
IEEE Trans Ultrason Ferroelectr Freq Control 57:2753-63. 2010..However, this design does necessitate relatively thick layers. The experimental results show good agreement with finite element models (FEM). The extracted 1-D Q for the realized shear optimized devices was increased to around 3300...- Neodymium-complex-doped photodefined polymer channel waveguide amplifiersJing Yang
Institute for Nanotechnology, University of Twente, 7500 AE Enschede, Netherlands
Opt Lett 34:473-5. 2009..6-cm-long channel waveguide amplifier. Owing to the nature of the Nd(3+) complex, energy-transfer upconversion affects the gain only at Nd(3+) concentrations above 1 x 10(20) cm(-3)... - The effect of learning on burstingJan Stegenga
Institute of Biomedical Technology BMTI, Department of Electrical Engineering, Mathematics and Computer Science, Biomedical Signals and Systems Group BSS, University of Twente, Enschede 7500 AE, The Netherlands
IEEE Trans Biomed Eng 56:1220-7. 2009..Finally, the manner in which phase profiles changed shape varied and could not be linked to the SR relationship... - Interfacial tension controlled W/O and O/W 2-phase flows in microchannelLingling Shui
BIOS Lab on a Chip Group, MESA Institute for Nanotechnology, University of Twente, PO Box 217, 7500AE, Enschede, The Netherlands
Lab Chip 9:795-801. 2009..Microfluidic technology therefore provides a valuable additional tool for quantitatively manipulating and evaluating these phenomena which are difficult to realize in the macroscale devices... - Segmentation of short keying sequences does not spontaneously transfer to other sequencesWillem B Verwey
Cognitive Psychology and Ergonomics, Universiteit Twente, Postbus 217, Enschede 7500 AE, The Netherlands
Hum Mov Sci 28:348-61. 2009..This is more in line with effector-specific learning being a result of sequence learning in terms of a hand-based reference frame than learning to directly trigger particular effectors (i.e., the fingers)... - Representations underlying skill in the discrete sequence production task: effect of hand used and hand positionElian De Kleine
Cognitive Psychology and Ergonomics, Faculty of Behavioral Sciences, University of Twente, Enschede, The Netherlands
Psychol Res 73:685-94. 2009..This produced similar results as in Experiment 1. These experiments support the notion that robustness of sequencing skill is based on several codes, one being a representation that is both effector and position dependent... - Playing with space and time (on a chip)Albert van den Berg
University of Twente, The Netherlands
Lab Chip 8:1779-80. 2008..Andreas Manz has shown that in the research field of LOC, interaction between different dimensions can create new insights... - Fast affine projections and the regularized modified filtered-error algorithm in multichannel active noise controlJ M Wesselink
Faculty EEMCS, University of Twente, Enschede, The Netherlands
J Acoust Soc Am 124:949-60. 2008.... - Vascularization in tissue engineeringJeroen Rouwkema
Department of Tissue Regeneration, University of Twente, Drienerlolaan 5, 7522NB Enschede, The Netherlands
Trends Biotechnol 26:434-41. 2008..We will illustrate that combining the efforts of different research lines might be necessary to obtain optimal results in the field... - Demixing light paths inside disordered metamaterialsI M Vellekoop
Complex Photonic Systems, Faculty of Science and Technology and MESA Institute forNanotechnology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
Opt Express 16:67-80. 2008..Measurements of the probes fluorescence provided the information needed to construct a specific linear combination of hundreds of incident waves, which interfere constructively at the probe... - Photoacoustic imaging of port-wine stainsRoy G M Kolkman
Biophysical Engineering, Institute for Biomedical Technology, Faculty of Science and Technology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
Lasers Surg Med 40:178-82. 2008..To optimize laser therapy of port-wine stains (PWSs), information about the vasculature as well as lesion depth is valuable. In this study we investigated the use of photoacoustic imaging (PAI) to obtain this information... - Comparison of internal and external responsiveness of the generic Medical Outcome Study Short Form-36 (SF-36) with disease-specific measures in rheumatoid arthritisMartine M Veehof
Institute for Behavioral Research, University of Twente, Enschede, The Netherlands
J Rheumatol 35:610-7. 2008..To examine the comparative internal and external responsiveness of the generic Medical Outcome Study Short Form-36 Health Survey (SF-36) and disease-specific measures in patients with rheumatoid arthritis (RA)... - Diagnosis at a distance: the invisible work of patients and healthcare professionals in cardiac telemonitoring technologyNelly Oudshoorn
Science, Technology, Health and Policy Studies, University of Twente, The Netherlands
Sociol Health Illn 30:272-88. 2008.... - Empowering processes and outcomes of participation in online support groups for patients with breast cancer, arthritis, or fibromyalgiaCornelia F van Uden-Kraan
Institute for Behavioral Research, Faculty of Behavioral Sciences, University of Twente, Enschede, The Netherlands
Qual Health Res 18:405-17. 2008..This article demonstrates that participation in online support groups can make a valuable contribution to the emergence of empowered patients... - Informed decision making about predictive DNA tests: arguments for more public visibility of personal deliberations about the good lifeMarianne Boenink
Department of Philosophy, University of Twente, P O Box 217, 7500 AE, Enschede, The Netherlands
Med Health Care Philos 13:127-38. 2010..We conclude by offering some suggestions as to how to realize such public sharing of personal stories... - Microfluidic technology in vascular researchA D van der Meer
Polymer Chemistry and Biomaterials Group, Faculty of Science and Technology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
J Biomed Biotechnol 2009:823148. 2009..It is concluded that microfluidic technology offers great possibilities to systematically study vascular cell biology with setups that more closely mimic the in vivo situation than those that are generated with conventional methods... - Detectability of motions in AAA with ECG-gated CTA: a quantitative studyAlmar Klein
Institute of Technical Medicine, University of Twente, 7500 AE, Enschede, The Netherlands
Med Phys 36:4616-24. 2009.... - A new algorithm for extended nonequilibrium molecular dynamics simulations of mixed flowThomas A Hunt
Computational Biophysics, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
J Chem Phys 133:154116. 2010.... - Mental health promotion as a new goal in public mental health care: a randomized controlled trial of an intervention enhancing psychological flexibilityMartine Fledderus
Department of Psychology and Communication of Health and Risk, University of Twente, Enschede, The Netherlands
Am J Public Health 100:2372. 2010..We assessed whether an intervention based on acceptance and commitment therapy (ACT) and mindfulness was successful in promoting positive mental health by enhancing psychological flexibility... - Enzyme-functionalized polymer brush films on the inner wall of silicon-glass microreactors with tunable biocatalytic activityFrancesca Costantini
Molecular Nanofabrication MnF, University of Twente, MESA Institute for Nanotechnology, P O Box 217, 7500, AE, Enschede, The Netherlands
Lab Chip 10:3407-12. 2010..The Michaelis-Menten constants and V(max) values, determined for immobilized and free lipase, are similar, demonstrating that the lipase's substrate affinity and its activity remain unchanged upon immobilization to the microchannel wall... - Relation between the contrast in time integrated dynamic speckle patterns an the power spectral density of their temporal intensity fluctuationsMatthijs J Draijer
Biomedical Photonic Imaging, MIRA Institute, University of Twente, The Netherlands
Opt Express 18:21883-91. 2010..Our theory provides a basis for comparison of both approaches when used for studying tissue perfusion... - Integrated approach to laser delivery and confocal signal detectionNur Ismail
Integrated Optical MicroSystems Group, MESA Institute for Nanotechnology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
Opt Lett 35:2741-3. 2010..Experimental results on the collection efficiency and volume are presented, together with a demonstration of multiwavelength imaging... - Asymmetry as the key to clathrin cage assemblyWouter K den Otter
Computational Biophysics, University of Twente, Enschede, The Netherlands
Biophys J 99:1231-8. 2010..Asymmetric intersegmental interactions, which probably result from a patchy distribution of interactions along the legs' surfaces, prove to be crucial for the efficient self-assembly of cages... - Four different patterns of fatigue in rheumatoid arthritis patients: results of a Q-sort studyStephanie Nikolaus
Department of Psychology and Communication of Health and Risk, Institute for Behavioral Research, University of Twente, Enschede, The Netherlands
Rheumatology (Oxford) 49:2191-9. 2010..Whereas qualitative studies have covered the meaning of fatigue for RA patients, it was still unknown whether subgroups of patients could be distinguished. This study aimed to describe different perspectives on the experience of fatigue... - Optical properties of poly(ferrocenylsilane) multilayer thin filmsE Stefan Kooij
Solid State Physics, MESA Institute for Nanotechnology, University of Twente, P O Box 217, 7500AE Enschede, The Netherlands
Langmuir 26:14177-81. 2010..We show that the complex refractive index can be described by a simple Cauchy model. Refractive index values vary over the spectral range from 1.53 (near-infrared) to 1.8 (ultraviolet)... - Ultra-narrow-linewidth, single-frequency distributed feedback waveguide laser in Al2O3:Er3+ on siliconE H Bernhardi
Integrated Optical MicroSystems Group, MESA Institute for Nanotechnology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
Opt Lett 35:2394-6. 2010..Single-longitudinal-mode and single-polarization operation was achieved with an emission linewidth of 1.70+/-0.58 kHz (corresponding to a Q factor of 1.14 x 10(11)), which was centered at a wavelength of 1545.2 nm... - One-Watt level mid-IR output, singly resonant, continuous-wave optical parametric oscillator pumped by a monolithic diode laserAb F Nieuwenhuis
1Laser physics and Nonlinear Optics Group, MESA Institute for Nanotechnology, University of Twente, Enschede, The Netherlands
Opt Express 18:11123-31. 2010..To the best of our knowledge, this is the highest output obtained for a diode pumped optical parametric oscillator (OPO), and the first time a SRO is directly pumped by a monolithic tapered diode laser... - Dynamic dewetting through micropancake growthJames R T Seddon
Physics of Fluids, MESA Institute for Nanotechnology, and Impact, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
Langmuir 26:9640-4. 2010..However, once a micropancake reaches size saturation, its bulk rearranges its shape in order to minimize the length of its three-phase line. We interpret this combination of growth followed by bulk rearrangement as dynamic dewetting... - Capillarity at the nanoscaleJoost W van Honschoten
Transducers Science and Technology Group, MESA Institute for Nanotechnology and IMPACT Institute of Mechanics, Processes and Control, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
Chem Soc Rev 39:1096-114. 2010..In the final section we show four examples of appearances of capillarity in engineering and in nature (112 references)... - Comparison of two carbonated apatite ceramics in vivoPamela Habibovic
University of Twente, Department of Tissue Regeneration, Enschede, The Netherlands
Acta Biomater 6:2219-26. 2010..Both physico-chemical and structural properties of the ceramics could, dependently or independently, have affected their in vivo behaviour, emphasizing the importance to control individual parameters for successful bone repair... - Evaluation of a multimode fiber optic low coherence interferometer for path length resolved Doppler measurements of diffuse lightBabu Varghese
Institute for Biomedical Technology, Biophysical Engineering Group, University of Twente, P O Box 217, NL 7500AE Enschede, The Netherlands
Rev Sci Instrum 78:126103. 2007..The weighted first moment, which is equal to the average Doppler shift, shows a linear response for different mean flow velocities within the physiological range... - Asymmetrical learning between a tactile and visual serial RT taskElger L Abrahamse
Cognitive Psychology and Ergonomics, Faculty of Behavioural Sciences, Universiteit Twente, Enschede, The Netherlands
Q J Exp Psychol (Hove) 61:210-7. 2008..It is proposed that sequence learning involves a stimulus-specific component in the visual but not in the tactile task... - Effector dependent sequence learning in the serial RT taskWillem B Verwey
Faculty of Behavioral Sciences, University of Twente, PO Box 217, 7500 AE, Enschede, The Netherlands
Psychol Res 69:242-51. 2005..Generally, the same results were found in more or less aware participants, congruent with the idea that the effector-dependent representation and the representation allowing transfer to mirror sequences are implicit... - A model for describing the thermodynamics of multivalent host-guest interactions at interfacesJurriaan Huskens
Laboratory of Supramolecular Chemistry and Technology, MESA Institute for Nanotechnology, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands
J Am Chem Soc 126:6784-97. 2004..Finally, it has been shown that the model can aid to deconvolute contributions of multivalency and cooperativity to stability enhancements observed for the adsorption of multivalent molecules to interfaces... - The osteoporotic vertebral structure is well adapted to the loads of daily life, but not to infrequent "error" loadsJ Homminga
Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
Bone 34:510-6. 2004..If future clinical imaging techniques would enable such high-resolution images to be obtained in vivo, the combination of microCT and microFEA would produce a powerful tool to diagnose osteoporosis... - A novel model for extending international co-operation in science and educationSirp J De Boer
International Management Section, University of Twente, Enschede, The Netherlands
J Zhejiang Univ Sci 5:358-64. 2004In September 1994 the University of Twente, the Netherlands, and Zhejiang University, China, decided to cooperate in the field of science, education and management... - Optical tweezers stretching of chromatinLisa H Pope
Department of Applied Physics and MESA Research Institute, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands
J Muscle Res Cell Motil 23:397-407. 2002..These studies will be extremely fruitful in terms of understanding the function of chromatin structure and its dynamics within the cell... - Delivery of timolol through artificial membranes and pig stratum corneumD F Stamatialis
European Membrane Institute Twente, University of Twente, Chemical Technology Department, P O Box 217, NL 7500 AE Enschede, The Netherlands
J Pharm Sci 92:1037-9. 2003..When the microporous LFC 1 membrane is applied, the TM delivery is membrane controlled. In all cases, however, the efficiency of the TM delivery is low and would need to be improved for the development of a commercially viable product... - An alternative approach to synthesizing bipedal walkingHerman van der Kooij
Institute of Biomedical Technology, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands
Biol Cybern 88:46-59. 2003..The proposed control objectives and the model of humanoid bipedal walking have potential applications in robotics and rehabilitation engineering... - Selective electrical interfaces with the nervous systemWim L C Rutten
University of Twente, Biomedical Engineering Department, Faculty of Electrical Engineering and Institute for Biomedical Technology, 7500 AE Enschede, The Netherlands
Annu Rev Biomed Eng 4:407-52. 2002..Planar substrate-embedded electrode arrays with cultured neural cells on top are used to study the activity and plasticity of developing neural networks. They also serve as substrates for future so-called cultured probes... - Electrical stimulation of the trigeminal tract in chronic, intractable facial neuralgiaJ Holsheimer
Institute for Biomedical Technology, University of Twente, Enschede, The Netherlands
Arch Physiol Biochem 109:304-8. 2001..It is concluded that invasive stimulation of the Gasserian ganglion is a promising treatment modality for patients with chronic, intractable, atypical trigeminal neuralgia... - Viability of dielectrophoretically trapped neural cortical cells in cultureT Heida
Faculty of Electrical Engineering, Institute for Biomedical Technology, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands
J Neurosci Methods 110:37-44. 2001..The results presented in this paper show that the viable state of dielectrophoretically trapped postnatal cortical rat cells under the conditions used was similar to that of non-exposed cells... - The influence of stimulation frequency and ankle joint angle on the moment exerted by human dorsiflexor musclesP Mela
Institute for Biomedical Technology BMTI, Biomedical Signals and Systems, Department of Electrical Engineering, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
J Electromyogr Kinesiol 11:53-63. 2001..e. with increasing muscle length) resulting in a leftward shift of the normalized moment-frequency curves. Post-tetanic twitch potentiation is shown to be ankle joint dependent as well... - Professional autonomy and the normative structure of medical practiceJ Hoogland
Department of Philosophy and Humanities, Universiteit Twente, Enschede, The Netherlands
Theor Med Bioeth 21:457-75. 2000.... - Orientation of the chromophore dipoles in the TOTO-DNA systemJ M Schins
Department of Applied Physics, Twente University, Enschede, Netherlands
Cytometry 37:230-7. 1999..Appl Opt 38:714-719, 1999)... - Atomic force microscopy assisted immobilization of lipid vesiclesHolger Schönherr
Materials Science and Technology of Polymers, MESA Institute for Nanotechnology and Faculty of Science and Technology, University of Twente, 7500 AE Enschede, The Netherlands
Langmuir 20:7308-12. 2004..The novel methodology described, which may serve as a platform for research on proteins incorporated in the lipid bilayers comprising the vesicles, does not require chemical labeling of the vesicles to guide their deposition... - Stereopsis in medical virtual-learning-environmentsJ M Luursema
University of Twente, Faculty of Behavioral Sciences, Division of Psychonomy and Human Performance Technology, P O Box 217, 7500 AE, Enschede, The Netherlands
Stud Health Technol Inform 103:262-9. 2004..The purpose of this article is to present an experiment aimed at evaluating the effects of stereopsis during a learning phase on visuo-spatial reasoning in two subsequent tasks that are related to the medical practice of diagnosis... - Effectiveness of protocols for preventing occupational exposure to blood and body fluids in Dutch hospitalsJ van Gemert-Pijnen
Department of Communication Studies, Faculty of Behavioural Sciences, University of Twente, Enschede, The Netherlands
J Hosp Infect 62:166-73. 2006.... - Intracellular degradation of microspheres based on cross-linked dextran hydrogels or amphiphilic block copolymers: a comparative raman microscopy studyHenk Jan van Manen
Biophysical Engineering Group, Institute for Biomedical Technology BMTI, and MESA Institute for Nanotechnology, University of Twente, The Netherlands
Int J Nanomedicine 2:241-52. 2007.... - PEG-PLLA and PEG-PDLA multiblock copolymers: synthesis and in situ hydrogel formation by stereocomplexationC Hiemstra
Institute for Biomedical Technology, Polymer Chemistry and Biomaterials, Faculty of Science and Technology, University of Twente, Enschede, The Netherlands
J Control Release 116:e17-9. 2006 - Can we assess baseline pain and global health retrospectively?P M ten Klooster
Institute for Behavioural Research, Faculty of Behavioural Sciences, University of Twente, Enschede, The Netherlands
Clin Exp Rheumatol 25:176-81. 2007..To study the agreement between patients' actual baseline assessments of pain and global health before treatment and retrospective assessments collected 2 weeks after treatment... - Inhibition of histone acetylation as a tool in bone tissue engineeringJan de Boer
Institute of Biomedical Technology, University of Twente, Enschede, The Netherlands
Tissue Eng 12:2927-37. 2006..Finally, we observed that TSA treatment strongly enhanced bone formation of ex vivo cultured mouse calvaria, which warrants further exploration of TSA in bone tissue engineering... - [Dissertations 25 years after date 14. The development of porous polymethylmethacrylate cement as potential implant material]J R de Wijn
Uit de afdeling Tissue regeneration van de Universiteit Twente
Ned Tijdschr Tandheelkd 114:134-8. 2007..In spite of successful clinical trials and positive findings after long term evaluations a commercial development of the cement was not undertaken because of a market that was estimated too small to be profitable... - Validity of the Rey Visual Design Learning Test in primary and secondary school childrenP Wilhelm
Faculty of Behavioural Sciences, University of Twente, Enschede, The Netherlands
Child Neuropsychol 13:86-98. 2007..Moderate to high correlations were found between scores on the RVDLT and the tests used to assess construct validity. The correlational pattern of RVDLT scores and the scores on the discriminant tests is discussed... - Wax removal for accelerated cotton scouring with alkaline pectinasePramod B Agrawal
Textile Technology Group, Department of Science and Technology, University of Twente, Enschede, The Netherlands
Biotechnol J 2:306-15. 2007..To evaluate the hydrophilicity, the structural contact angle (theta) was measured using an auto-porosimeter... - Morphological muscle and joint parameters for musculoskeletal modelling of the lower extremityM D Klein Horsman
Institute for Biomedical Technology BMTI, Biomedical Engineering Group, Department of Engineering Technology, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
Clin Biomech (Bristol, Avon) 22:239-47. 2007.... - Planning emergency patients: An attempt to change the nature of the emergency departmentRemco Rosmulder
Department of Operations, Organisation and Human Resources, Faculty of Business, Public Administration and Technology, University of Twente, Enschede, The Netherlands
Eur J Emerg Med 13:377-9. 2006..In our opinion, successfully planning emergency patients requires that the ED has full control over the referral process, and that scheduled patients are treated in a separate, undisturbed care process... - Photoacoustic imaging of valves in superficial veinsRoy G M Kolkman
Biophysical Engineering, Faculty of Science and Technology, University of Twente, PO Box 217, 7500 AE Enschede, The Netherlands
Lasers Surg Med 38:740-4. 2006..Therefore, we have investigated whether and how photoacoustic imaging (PAI), which visualizes the lumen of blood vessels, can be used to detect these valves... - Fiber diameter and texture of electrospun PEOT/PBT scaffolds influence human mesenchymal stem cell proliferation and morphology, and the release of incorporated compoundsLorenzo Moroni
Institute for Biomedical Technology BMTI, University of Twente, P O Box 217, 7500 AE Enschede, The Netherlands
Biomaterials 27:4911-22. 2006.... - Divergence of categorical and coordinate spatial processing assessed with ERPsRob H J van der Lubbe
Department of Psychonomics, Utrecht University, Utrecht, The Netherlands
Neuropsychologia 44:1547-59. 2006..It is proposed that the left-field advantage in the coordinate task may be due to differences in spatial resolution in perceptual encoding of the left- and right-hemispheres that are largely unaffected by the task at hand... - In vitro evaluation of a hydroxypropyl cellulose gel system for transdermal delivery of timololD F Stamatialis
Membrane Technology Group, University of Twente, Faculty of Science and Technology, PO Box 217, NL 7500 AE Enschede, The Netherlands
Curr Drug Deliv 1:313-9. 2004..According to our estimation, the daily TM dose (10-60 mg) can be delivered by an iontophoretic patch with Polyflux membrane area of 6-36 cm2 containing 20% (w/w) HPC gel and 15 mg cm-3 of TM... - Pharmacokinetic-pharmacodynamic relationships of apomorphine in patients with Parkinson's diseaseC Neef
Medisch Spectrum Twente, Department of Clinical Pharmacy, Enschede, The Netherlands
Clin Pharmacokinet 37:257-71. 1999..If more population data become available, the population pharmacokinetics-pharmacodynamics of apomorphine could be helpful in predicting the clinical effects of apomorphine in the several subgroups of patients with Parkinson's disease...