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Perrier, D.L. (author), Vahid Belarghou, A. (author), Kathavi, Vaishnavi (author), Stam, Lotte (author), Rems, L. (author), Mulla, Yuval (author), Muralidharan, A. (author), Koenderink, Gijsje H. (author), Kreutzer, M.T. (author), Boukany, P. (author)
We study the role of a biomimetic actin network during the application of electric pulses that induce electroporation or electropermeabilization, using giant unilamellar vesicles (GUVs) as a model system. The actin cortex, a subjacently attached interconnected network of actin filaments, regulates the shape and mechanical properties of the...
journal article 2019
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Perez Rodriguez, P. (author), Vijselaar, Wouter (author), Huskens, Jurriaan (author), Stam, Machiel (author), Falkenberg, M. (author), Zeman, M. (author), Smith, W.A. (author), Smets, A.H.M. (author)
Solar fuels are a promising way to store solar energy seasonally. This paper proposes an earth-abundant heterostructure to split water using a photovoltaic-electrochemical device (PV-EC). The heterostructure is based on a hybrid architecture of a thin-film (TF) silicon tandem on top of a c-Si wafer (W) heterojunction solar cell (a-Si:H (TF)...
journal article 2019
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Rossi, L.C.G. (author), Groot, Ashwyn (author), Fauchez, Thomas (author), Stam, D.M. (author)
Because clouds scatter and absorb incident radiation, they play crucial roles in the radiative balance, the atmospheric chemistry, climate, and thus the habitability<br/>of a planet. Clouds usually affect the planet’s observables. We investigate here the effect of partial and variable cloud coverage on the light that is reflected by an<br/>Earth...
abstract 2018
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Rossi, L.C.G. (author), Berzosa Molina, J. (author), Stam, D.M. (author)
PYMIEDAP (the Python Mie Doubling-Adding Programme) is a Python-based tool for computing the total linearly and circularly polarized fluxes of incident unpolarized sunlight or starlight that is reflected by solar system planets or moons, respectively, or by exoplanets at a range of wavelengths. The radiative transfer computations are based on...
journal article 2018
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Beyrend, Guillaume (author), Stam, Koen (author), Hollt, T. (author), Ossendorp, Ferry (author), Arens, Ramon (author)
Multi-parametric flow and mass cytometry allows exceptional high-resolution exploration of the cellular composition of the immune system. A large panel of computational tools have been developed to analyze the high-dimensional landscape of the data generated. Analysis frameworks such as FlowSOM or Cytosplore incorporate clustering and...
journal article 2018
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Rossi, L.C.G. (author), Stam, D.M. (author)
The circular polarization of light that planets reflect is often neglected because it is very small compared to the linear polarization. It could, however, provide information on a planet’s atmosphere and surface, and on the presence of life, because homochiral molecules that are the building blocks of life on Earth are known to reflect...
journal article 2018
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Tonnon, Pieter Koen (author), Huisman, B.J.A. (author), Stam, G. N. (author), van Rijn, L. C. (author)
Mega-nourishments, aiming at providing long-term coastal safety, nature qualities and recreational space, have been applied recently at the Holland coast and are considered at various other places in the world. Methods to quickly evaluate the potential and lifetime of these coastal mega nourishments are therefore very much desired, which is...
journal article 2018
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Bouaziz, L.J.E. (author), Weerts, Albrecht (author), Schellekens, Jaap (author), Sprokkereef, Eric (author), Stam, Jasper (author), Savenije, H.H.G. (author), Hrachowitz, M. (author)
Intercatchment groundwater flows (IGFs), defined as groundwater flows across topographic divides, can occur as regional groundwater flows that bypass headwater streams and only drain into the channel further downstream or directly to the sea. However, groundwater flows can also be diverted to adjacent river basins due to geological features ...
journal article 2018
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Stolker, T. (author), Min, M. (author), Stam, D.M. (author), Mollière, P. (author), Dominik, C. (author), Waters, L. B.F.M. (author)
Context. Direct imaging has paved the way for atmospheric characterization of young and self-luminous gas giants. Scattering in a horizontally-inhomogeneous atmosphere causes the disk-integrated polarization of the thermal radiation to be linearly polarized, possibly detectable with the newest generation of high-contrast imaging instruments....
journal article 2017
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Fauchez, Thomas (author), Rossi, L.C.G. (author), Stam, D.M. (author)
Earth-like, potentially habitable exoplanets are prime targets in the search for extraterrestrial life. Information about their atmospheres and surfaces can be derived by analyzing the light of the parent star reflected by the planet. We investigate the influence of the surface albedo A <sub>s</sub>, the optical thickness b <sub>cloud</sub>,...
journal article 2017
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Rossi, L.C.G. (author), Stam, D.M. (author), Turbet, M. (author)
In this work, we analyse linear polarization data of the planet at a distance, obtained with the Extreme Polarimeter (ExPo) on the William Herschel Telescope<br/>on La Palma. These spatially resolved, high-accuracy polarization observations of Venus show faint circular patterns centered on the sub-solar point that are absent in the flux...
abstract 2017
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Berzosa Molina, Javier (author), Stam, D.M. (author), Rossi, L.C.G. (author)
The detection of moons around extrasolar planets is one of the main focuses of current and future observatories. These silent companions contribute to the planets' observed signals but are barely detectable with current methods. Numerous gaseous exoplanets are known to orbit in the habitable zones of stars, and the expected abundance of natural...
abstract 2017
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Rossi, L.C.G. (author), Stam, D.M. (author)
Context. Clouds have already been detected in exoplanetary atmospheres. They play crucial roles in a planet’s atmosphere and climate and can also create ambiguities in the determination of atmospheric parameters such as trace gas mixing ratios. Knowledge of cloud properties is required when assessing the habitability of a planet.<br/><br/>Aims....
journal article 2017
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Palmer, Chris (author), Rossi, L.C.G. (author), Stam, D.M. (author)
The direct detection of reflected starlight from exoplanets marks the beginning of a new era in the characterization of extrasolar planetary atmospheres. The flux and in particular the linear polarization signals from such planets are sensitive to atmospheric structure and composition, but other effects may also contribute to observed signals....
abstract 2017
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Sterzik, M. (author), Bagnulo, S. (author), Emd, C. (author), Stam, D.M. (author)
Earthshine observations are a classical benchmark for the studies of the atmospheres of exo-earth type planets. For this kind of observations, background subtraction is a critical and challenging task to disentangle the effects of atmospheric scattering from atmospheric transmission of molecular lines. In fact, although usually neglected, the...
conference paper 2017
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Mahapatra, G. (author), Stam, D.M. (author), Rossi, L.C.G. (author), Rodenhuis, M. (author), Snik, Frans (author), Keller, C.U. (author)
In this work, we analyse linear polarization data of the planet at a distance, obtained with the Extreme Polarimeter (ExPo) on the William Herschel Telescope<br/>on La Palma. These spatially resolved, high-accuracy polarization observations of Venus show faint circular patterns centered on the sub-solar point that are absent in the flux...
abstract 2017
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Yu, M. (author), Hillebrand, A. (author), Tewarie, P. (author), Meier, J. (author), Van Dijk, B. (author), Van Mieghem, P. (author), Stam, C.J. (author)
The identification of clusters or communities in complex networks is a reappearing problem. The minimum spanning tree (MST), the tree connecting all nodes with minimum total weight, is regarded as an important transport backbone of the original weighted graph. We hypothesize that the clustering of the MST reveals insight in the hierarchical...
journal article 2015
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Snik, F. (author), Rietjens, J.H.H. (author), Apituley, A. (author), Volten, H. (author), Mijling, B. (author), Di Noia, A. (author), Heikamp, S. (author), Heinsbroek, R.C. (author), Hasekamp, O.P. (author), Smit, J.M. (author), Vonk, J. (author), Stam, D.M. (author), Van Harten, G. (author), De Boer, J. (author), Keller, C.U. (author)
To assess the impact of atmospheric aerosols on health, climate, and air traffic, aerosol properties must be measured with fine spatial and temporal sampling. This can be achieved by actively involving citizens and the technology they own to form an atmospheric measurement network. We establish this new measurement strategy by developing and...
journal article 2014
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Stam, C.J. (author), Van der Velden, N.M. (author), Rubio, G. (author), Verlinden, J.C. (author)
The maker culture has created a dynamic in which designers are less responsible for the design and quality of the final product, but for the tools the consumer uses to create their own. While additive manufacturing (AM) is gaining acceptance among the general public, it is still seen as a prototyping tool instead of a high quality production...
conference paper 2014
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Stam, C.J. (author), Tewarie, P. (author), Van Dellen, E. (author), Van Straaten, E.C.W. (author), Hillebrand, A. (author), Van Mieghem, P. (author)
In recent years there has been a shift in focus from the study of local, mostly task-related activation to the exploration of the organization and functioning of large-scale structural and functional complex brain networks. Progress in the interdisciplinary field of modern network science has introduced many new concepts, analytical tools and...
journal article 2014
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