230 research outputs found
A systematic review of epidemiological studies on the prevalence of complementary and alternative medicine (CAM) use by paediatric cancer patients. Presented at ECIM 2008.
No full textBackground: paediatric cancer patients are likely to use complementary and alternative medicines (CAMs) alongside more conventional interventions. A number of individual studies have been carried out to examine prevalence rates of CAM use amongst paediatric cancer patients. These studies have varied findings and are of mixed quality. This meta-analytic review therefore aimed to assess the quality of this literature and to determine what is known about the prevalence of the CAM use in paediatric cancer. Secondary research questions focused on the types of CAM used, trends in CAM use over time, reasons for CAM use, and demographic characteristics associated with CAM use.Method: electronic and manual searches for relevant studies identified 26 English language journal articles of primary research studies investigating the prevalence of CAM usage among paediatric cancer patients in peer-reviewed journals. A quality assessment checklist was rigorously developed based on the strengthening the reporting of observational studies in epidemiology (STROBE) statement in collaboration with Dr. Erik von Elm (lead author of the STROBE statement). Data were extracted and validated by more than one author and analysed using meta-analytic techniques.Results: the prevalence of CAM use by paediatric cancer patients ranged from 40% to 53%. The quality of the studies was mixed and did not correlate with the estimated prevalence of CAM use. ‘Herbals’ was the most popular CAM modality. Paediatric cancer patients use CAM for various reasons. Higher level of education and income were associated with CAM use in North America; the opposite was true for CAM use in Mexico and Turkey.Conclusion: a substantial proportion of paediatric cancer patients use CAM. There is a need to use standardised definitions of the CAM in future studies to generate comparable data. The quality assessment checklist has potential to be a useful quality assessment instrument for other reviews of similar epidemiological studie
The existence of arbitration principles in commercial agreements: Lessons learned from an Indonesian court
No full textMicrochip electrophoresis for UVC-induced DNA damage assessment
No full textIn this thesis a design is presented which main objectives are to improve the speed, sensitivity and resolution of the commonly used gel electrophoresis method. To this end a background study is performed to look at the differences and similarities between both gel and micro-chip electrophoresis. Based on these findings some calculations are done to see if the expected design can theoretically improve in the above mentioned fields. A design is created and later fabricated in order to obtain these objectives. For the design a glass substrate is used with integrated electrodes, combined with a PMT sensor system to process the signals from the chip via a computer program. The main techniques used for the fabrication are wet etching and wafer bonding. The testing results produce a clear signal, which shows improvements in sensitivity and resolution, as well as producing results in less than three minutes.Microelectronics & Computer EngineeringElectrical Engineering, Mathematics and Computer Scienc
Impact of Static Sea Surface Topography Variations on Ocean Surface Waves
No full textElectrical Engineering, Mathematics and Computer ScienceDelft Institute of Applied Mathematic
ShopHouse Transformation: Appraisal of the pre-war shophouse and its contemporary application
No full textWe are now faced with new social problems of deteriorating sense of community and a disjointed society that is generated by the Modern city paradigms. To tackle these new problems does not mean the complete restoration of the old system. It should mean a new typology that reflects the traditional system in an innovative way. By mixing the old buildings with the new ones through the injection of new communication platforms that encourage communication among people from different cultures and backgrounds, a more well-balanced society will be the new model for the future.Housing NeighborhoodsRMITArchitectur
Modeling of nonstationary earthquake ground motion and biaxial and torsional response of inelastic structures
No full textA systematic way to analyze the response of inelastic structures under bi-directional random excitations is developed. Most of the system and excitation characters have been considered, e.g., hysteretic behavior of restoring force, biaxial interaction, torsional response and degradation of the structure, and nonstationary behavior of ground excitation. A new stochastic ground motion model is proposed in which both intensity and frequency content are functions of time. Corresponding methods for estimating the model parameters based on actual earthquake records are also given. The proposed ground motion model can be efficiently applied to simulations as well as analytical solutions of random vibration and reliability studies for inelastic structures. Responses of single-mass inelastic systems and three-story space frames, with or without deterioration, under bi-directional non-stationary ground excitations are investigated via an equivalent linearization method and Monte Carlo simulations. The results show that (1) the equivalent linearization method predicts the response statistics quite well except for r.m.s. displacement, which can be improved by the proposed semi-empirical equation; (2) the time-varying frequency content of ground excitation has significant effects on the response of inelastic structures, especially when the excitation dominant frequencies are close to the structural pre-yielding natural frequency; (3) biaxial and torsional response may become significant in an asymmetric structure.Made available in DSpace on 2011-05-07T13:19:38Z (GMT). No. of bitstreams: 2
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Previous issue date: 1989Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding ([email protected]) on 2011-05-07T14:53:19Z
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High-speed imaging of giant unilamellar vesicle production in cDICE
No full textGreen Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.BN/Marileen Dogterom LabFluid MechanicsBN/Gijsje Koenderink La
Self-healing coating healed with a viscoelastic substance
No full textA protective coating is used to protect surface of a material from various deterioration factors. When cracks form and propagate in the coating, water, chloride ion, and carbon dioxide would penetrate through the cracks. This results in the deterioration of the material, leading to reduction in its serviceability. If the protective coating has selfhealing ability, it would effectively protect the materials from the deterioration. In this work a capsule-type self-healing protective coating has been developed using vegetable oils as healing agent. Healing-agent-loaded microcapsules are embedded in a coating matrix to obtain a self-healing protective coating. Upon damage-induced cracking, the microcapsules are ruptured by the propagating crack fronts, resulting in release of the healing agent into the crack by capillary action. A healing reaction occurs by atmospheric oxygen, generating a viscoelastic substance. The self-healing coating was evaluated as protective coating for steel, and it was demonstrated that our system has good self-healing capability. In conventional capsule-type self-healing systems, healing reactions generally produce hard solids, so the systems are considered to be vulnerable to regeneration of cracks in the healed region. Furthermore, the regenerated cracks can not be healed because healing agent is consumed in the first healing process. It should be noted that our new system can effectively prevent the coating from regeneration of cracks in the healed region
Method of reliability-based calibration of seismic structural design parameters
No full textStructural design under seismic load requires proper consideration of uncertainties associated with loads and resistance as well as the limited ability of analytical models to describe the response of a structure. To account for these uncertainties, the design parameters in current seismic codes need to be calibrated based on required safety and satisfactory performance under future earthquakes in terms of reliability. The calibration is done by minimization of the difference between actual and target probabilities for both serviceability and ultimate limit states. The Response Surface Method (RSM) with a central composite design is used to expedite the calibration process. Since information is required on the actual probabilities of exceeding various limit state conditions for various structural configurations which typically requires a large number of nonlinear time history structural response analyses, an Equivalent Nonlinear System (ENS) is used to replace the MDOF analytical model. The ENS retains the important properties of the original system, i.e., the dynamic characteristics of the first two modes, the global yield displacement and post-yielding behavior of the structure. Response scaling factors based on extensive regression analyses of structures of up to 12 stories under historical earthquakes are then applied to the responses calculated using the ENS in order to obtain responses comparable to the original structure. Numerical examples on the calibration are given, and parametric studies are carried out to show the dependence of the structural design parameters on the target reliabilities for both serviceability and ultimate limit states. The computational advantage and the accuracy of the proposed methods are also shown.Made available in DSpace on 2011-05-07T12:52:07Z (GMT). No. of bitstreams: 2
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Previous issue date: 1995Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding ([email protected]) on 2011-05-07T14:46:57Z
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Monetary and fiscal policy measures during the COVID-19 economic crisis in Russia
No full textThe author examines how monetary and fiscal policy influences the shocks facilities in the Russian economy caused by the coronavirus pandemic. The article aims to provide an economic assessment of the monetary measures by the Central Bank and the Government of the Russian Federation to overcome the consequences of the COVID-19 crisis. The author exploited the methods of content analysis, benchmarking, and logical analysis. The study covers the period of March - July 2020 and relies on the analysis of data from international organizations, analytical centers, mass media, official data sources of the Government of Russia and the Central Bank of the Russian Federation. The literature review and the analysis of the Mundell-Fleming model contribute to the better understanding of monetary policy of countries in its connection with fiscal policy. The author analyzed the monetary and fiscal measures against the COVID-19 crisis in Russia and other countries. The study provides the assessment of the COVID-19 shocks and the remedial actions. The conclusion is that when most economic activity is prohibited, lower interest rates cannot stimulate it in the short term. More visible are the efforts to maintain liquidity in the economy, as financial institutions often have troubles. During the analysis, the work focuses on the theoretical foundations of monetary policy and its connection with fiscal policy, as well as provides a number of stylized facts of its implementation in Russia during the coronavirus pandemic. This can be useful for further empirical research and practical recommendations in the field of monetary and fiscal policy in the Russian Federation. © Zaytsev Yu.K, 202
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