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van Buren, L. (author)Everything that we consider alive, be it plants, dogs, bacteria or humans, is composed of the same microscopic building blocks: cells. While cells between and even within these organisms can look and behave very differently, they all share the same key functionalities: they can grow, they can divide to proliferate, they can eat and metabolise to...doctoral thesis 2022
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Li, K. (author)Naturally fractured reservoirs (NFRs) gain much attention worldwide because they are often encountered in aquifer remediation, CO2 sequestration, and hydrocarbon extraction. In hydrocarbon extraction, however, oil recovery by gas injection in NFRs is usually low, because of poor sweep efficiency. During gas injection, the displacement front is...doctoral thesis 2022
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Kievits, A.J. (author), Lane, R. (author), Carroll, E.C.M. (author), Hoogenboom, J.P. (author)Detailed knowledge of biological structure has been key in understanding biology at several levels of organisation, from organs to cells and proteins. Volume electron microscopy (volume EM) provides high resolution 3D structural information about tissues on the nanometre scale. However, the throughput rate of conventional electron microscopes...review 2022
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van Buren, L. (author), Koenderink, G.H. (author), Martinez Torres, C.E. (author)Giant unilamellar vesicles (GUVs) are cell-sized aqueous compartments enclosed by a phospholipid bilayer. Due to their cell-mimicking properties, GUVs have become a widespread experimental tool in synthetic biology to study membrane properties and cellular processes. In stark contrast to the experimental progress, quantitative analysis of GUV...journal article 2022
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Meindlhumer, S. (author), Kerssemakers, J.W.J. (author), Dekker, C. (author)The Min protein system is arguably the best-studied model system for biological pattern formation. It exhibits pole-to-pole oscillations in E. coli bacteria as well as a variety of surface wave patterns in in vitro reconstitutions. Such Min surface wave patterns pose particular challenges to quantification as they are typically only semi...journal article 2022
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Rutten, J. (author), Arriaga, Jaime (author), Montoya, Leonardo D. (author), Mariño-Tapia, Ismael J. (author), Escalante-Mancera, Edgar (author), Mendoza, E. Tonatiuh (author), van Tussenbroek, Brigitta I. (author), Appendini, Christian M. (author)Massive quantities of the pelagic brown macroalgae Sargassum spp. (sargassum) have been invading the Caribbean and West African shores since 2011, causing devastating effects on the coastal ecosystem and local economy. Little is known about sargassum beaching dynamics and the capacity of the coastal system to naturally remove beached...journal article 2021
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Di Cicco, F. (author), Wijntjes, M.W.A. (author), Pont, S.C. (author)To understand the key image features that we use to infer the glossiness of materials, we analyzed the pictorial shortcuts used by 17th century painters to imitate the optical phenomenon of specular reflections when depicting grapes. Gloss perception of painted grapes was determined via a rating experiment. We computed the contrast, blurriness,...journal article 2019
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Shrestha, P. (author), Groves, R.M. (author)Composite materials are susceptible to barely visible impact damages (BVID) due to low-velocity impact. Therefore, an automated damage detection and quantification technique is highly desirable for quick inspection of large number of composite structures. Among various different non-destructive techniques (NDTs), active thermography NDT can...conference paper 2019
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Zuo, Y. (author), Ye, G. (author)The pore structure of alkali-activated slag has a significant influence on its performance. However, the literature shows insufficient studies regarding the suitability of different techniques for characterizing the pore structure and the influences of Na2O and curing age on pore structure development. In pursuit of a better understanding, the...journal article 2018
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Susanto, A. (author), Koleva, D.A. (author), van Breugel, K. (author), van Beek, C. (author)This work reports on the development of microstructural and mechanical properties of mortar cubes under the synergetic action of stray current and various environmental/curing conditions. The study refers to specimens cured for 24h only, followed by a 112 days period of partial or full submersion in water or alkaline medium. Additionally,...journal article 2017
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de Rooij, Mario R. (author), França de Mendonça Filho, F. (author)In this article a trip is taken to characterize concrete through its hardened cement paste based on its microstructure. Optical microscopy is coupled to advanced image analysis, as well as statistical data analysis to characterize heterogeneous concrete material. The article takes a closer look at the determination of the w/c ratio through the...conference paper 2017
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Orrú, C. (author)The main objective of this project is to develop new measuring techniques for providing detailed data on sediment sorting suitable for sand-gravel laboratory experiments. Such data will be of aid in obtaining new insights on sorting mechanisms and improving prediction capabilities of morphodynamic models. Two measuring techniques have been...doctoral thesis 2016
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Copuroglu, O. (author)Plane and crossed polarization are the two standard light modes in polarized light microscopy that are widely used to characterize crystalline and amorphous phases in cement-based materials. However, the use of the crossed polarized light mode has been found to be restrictive for studying birefringent phases quantitatively due to the extinction...journal article 2016
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Stroeven, P. (author)Path length measuring is a relevant engineering problem. Leonardo Da Vinci designed for the military appropriate equipment, the podometer, to do so. Modern equipment such as step meters and map meters are quite similar to Da Vinci?s design, despite geometrical statistical - stereological - methods based on theorems of Cauchy and Buffon that were...conference paper 2015
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Bonifazi, G. (author), Capobianco, G. (author), Serranti, S. (author), Eggimann, M. (author), Wagner, E. (author), Di Maio, F. (author), Lotfi, S. (author)Aim of this work was to investigate the microstructure of the Interfacial Transition Zone (ITZ) between cement paste and aggregate in concrete utilizing Scanning Electron Microscope (SEM) in order to identify possible effects on the ITZ related to different recipes and production parameters. SEM is an important tool to carry out concrete, cement...conference paper 2015
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Sciacchitano, A. (author)Particle Image Velocimetry (PIV) is a well-established technique for the measurement of the flow velocity in a two or three-dimensional domain. As in any other technique, PIV data is affected by measurement errors, defined as the difference between the measured velocity and its actual value, which is unknown. Aim of uncertainty quantification is...doctoral thesis 2014
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Gnanadesigan, M. (author), Van Soest, G. (author), White, S. (author), Scoltock, S. (author), Ughi, G.J. (author), Baumbach, A. (author), Van der Steen, A.F.W. (author), Regar, E. (author), Johnson, T.W. (author)Atherosclerotic plaque composition can be imaged using the optical attenuation coefficient derived from intravascular optical coherence tomography (OCT) data. The relation between optical properties and tissue type has been established on autopsy tissues. In this study, we validate an ex-vivo model for the effect of temperature and tissue...journal article 2014
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Li, Y. (author)Scale is an important parameter of images. Different objects or image structures (e.g. edges and corners) can appear at different scales and each is meaningful only over a limited range of scales. Multi-scale analysis has been widely used in image processing and computer vision, serving as the basis for many high-level image analysis systems....doctoral thesis 2013
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Susanto, A. (author), Koleva, D.A. (author), Copuroglu, O. (author), Van Beek, C. (author), Van Breugel, K. (author)This investigation presents a comparative study on mechanical properties, electrical resistivity and microstructure of mortar under DC current, compared to mortar in rest (no current) conditions. Monitoring was performed from 24h after casting until 84 days of cement hydration. A current density level of 10 mA/m2 was chosen as a simulation...journal article 2013
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Hu, J. (author), Koleva, D.A. (author), Van Breugel, K. (author)This paper reports the main results from the influence of the initially admixed nano-aggregates (0.5 g/l PEO113-b-PS70 micelles previously dissolved in demi-water) on microstructural alterations of the reinforced mortar subjected to chloride induced corrosion. The morphology of hydration/corrosion products at the steel/cement paste interface and...journal article 2011
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