21,094 Works

Défi OASIC 2018 : Rapport scientifique et financier des projets lauréats en 2017 (année 2)

Vanessa PY-SARAGAGLIA, Marcel Mindrescu, Ancuta PETRAS, Mihaela Danu, Sylvie GUILLERME, Magali PHILIPPE, Sandrine BUSCAINO , Eric Maire, Nicolas DE MUNNIK, Sylvain Burri, Nicolas Poirier, Carine Calastrenc, Gaël LE ROUX, Thierry CAMBOULIVE, Mélanie ROY, Marie-Claude BAL, Antoine Brin, Sylvie LADET, Laurent BURNEL, Mélanie SAULNIER, Cécile BRUN, Laurent Larrieu & François DE VLEESCHOUWER
Rapport scientifique et financier du projet FORETEXIL : Les vieilles FORETs des Maramureș (Carpates orientales) face à l’EXploitation forestière Intensive : plan d'urgence pour une étude globale en vue de leur préservation et gestion durable.

03 - A proposal towards an international standard for reporting BNCT

Wolfgang Sauerwein, Per Munck Af Rosenschöld, Andrea Wittig, David Nigg, Hideyuki Sakurai, Finn Stecher-Rasmussen, Ray Moss, Kazuyo 和代 Igawa 井川, Lorenzo Brualla Barberà & Akira Matsumura

Power and Knowledge of Double Entry Bookkeeping System in the Feminism Framework: A Proposal

Diah Suryaningrum
This paper attempts to explore and reveal the power and knowledge of double entry bookkeeping system from a different perspective of feminist framework and to propose new power and knowledge of accounting. Power is defined as the ability of a person to do his own will in social interaction, despite there is a resistance. Accounting as a social science has three powers: the first is power of resources, the second is power of process, and...

Power and Knowledge of Double Entry Bookkeeping System in the Feminism Framework: A Proposal

Diah Suryaningrum
This paper attempts to explore and reveal the power and knowledge of double entry bookkeeping system from a different perspective of feminist framework and to propose new power and knowledge of accounting. Power is defined as the ability of a person to do his own will in social interaction, despite there is a resistance. Accounting as a social science has three powers: the first is power of resources, the second is power of process, and...

Critical celebrations : metatheatre in Australian drama of the late twentieth and early twenty-first Centuries

Rebecca Louise Clode
This thesis is a study of the importance of metatheatrical strategies in Australian drama from 1979 to the present. While some attention has been paid previously to the use of metatheatrical techniques, in the work of individual playwrights such as Louis Nowra for example, there has been no study which foregrounds metatheatre as a distinctive dimension of Australian playwriting and playmaking in the last forty years. Applying arguments about metatheatre by scholars such as Hornby,...

Autoregressive Neural Network for Cloud Concentration Forecast from Hemispheric Sky Images

Cristian Crisosto
We present here a new method to predict cloud concentration five minutes in advance from all-sky images using the Artificial Neural Networks (ANN). An autoregressive neural network with backpropagation (Ar-BP) was created and trained with four years of all-sky images as inputs. The pictures were taken with a hemispheric sky imager fixed on the roof at the Institute of Meteorology and Climatology (IMUK) of the Leibniz Universität Hannover, Hannover, Germany. Firstly, a statistical method is...

Optimal control of the transport of Bose-Einstein condensates with atom chips

Sirine Amri, Robin Corgier, Dominique Sugny, Ernst M. Rasel, Naceur Gaaloul & Eric Charron
Using Optimal Control Theory (OCT), we design fast ramps for the controlled transport of Bose-Einstein condensates with atom chips' magnetic traps. These ramps are engineered in the context of precision atom interferometry experiments and support transport over large distances, typically of the order of 1 mm, i.e. about 1,000 times the size of the atomic clouds, yet with durations not exceeding 200 ms. We show that with such transport durations of the order of the...

Dual Mode Gait Sonification for Rehabilitation After Unilateral Hip Arthroplasty

Julia Reh, Tong-Hun Hwang, Gerd Schmitz & Alfred O. Effenberg
The pattern of gait after hip arthroplasty strongly affects regeneration and quality of life. Acoustic feedback could be a supportive method for patients to improve their walking ability and to regain a symmetric and steady gait. In this study, a new gait sonification method with two different modes-real-time feedback (RTF) and instructive model sequences (IMS)-is presented. The impact of the method on gait symmetry and steadiness of 20 hip arthroplasty patients was investigated. Patients were...

Insights into the complex role of GRAS transcription factors in the arbuscular mycorrhiza symbiosis

Rico M. Hartmann, Sieke Schaepe, Daniel Nübel, Arne C. Petersen, Martina Bertolini, Jana Vasilev, Helge Küster & Natalija Hohnjec
To improve access to limiting nutrients, the vast majority of land plants forms arbuscular mycorrhizal (AM) symbioses with Glomeromycota fungi. We show here that AM-related GRAS transcription factors from different subgroups are upregulated during a time course of mycorrhization. Based on expression studies in mutants defective in arbuscule branching (ram1-1, with a deleted MtRam1 GRAS transcription factor gene) or in the formation of functional arbuscules (pt4-2, mutated in the phosphate transporter gene MtPt4), we demonstrate...

Carbon Investment Required for the Mobilization of Inorganic and Organic Phosphorus Bound to Goethite by an Arbuscular Mycorrhiza (Solanum lycopersicum x Rhizophagus irregularis)

Alberto Andrino, Jens Boy, Robert Mikutta, Leopold Sauheitl & Georg Guggenberger
Nutrient supply in phosphorus (P)-limited ecosystems, with most P being associated with secondary minerals, has to rely on efficient nutrient allocation strategies, such as those involving mycorrhizal symbioses. Yet, little is known about the extent of photo-assimilate transfer to the fungal partner, who in turn mobilizes mineral-bound P sources required by the plant. This study aims to explore the carbon (C)–P trade between an arbuscular mycorrhizal (AM) plant and its ability to incorporate P from...

Investigations on the mechanisms of ultrasonic wire bonding

Yangyang Long
Ultrasonic (US) wire bonding is a predominating interconnection technique in the microelectronic packaging industry. Despite its long-term usage and wide applications, the mechanisms, especially those of the friction and softening phases, are still unclear more than half a century after its invention. Targeting on reducing the big gap to a good understanding of the mechanisms, this dissertation focuses on the relative motions at the wire/substrate and wire/tool interfaces, and the oxide removal process. In addition,...

Single Transparent Piezoelectric Detector for Optoacoustic Sensing—Design and Signal Processing

Elias Blumenröther, Oliver Melchert, Jonas Kanngießer, Merve Wollweber & Bernhard Roth
In this article, we present a simple and intuitive approach to create a handheld optoacoustic setup for near field measurements. A single piezoelectric transducer glued in between two sheets of polymethyl methacrylate (PMMA) facilitates nearfield depth profiling of layered media. The detector electrodes are made of indium tin oxide (ITO) which is both electrically conducting as well as optically transparent, enabling an on-axis illumination through the detector. By mapping the active detector area, we show...

Unusual terahertz waveforms from a resonant medium controlled by diffractive optical elements

A.V. Pakhomov, R.M. Arkhipov, M.V. Arkhipov, A. Demircan, U. Morgner, N.N. Rosanov & Ihar Babushkin
Up to now, full tunability of waveforms was possible only in electronics, up to radio-frequencies. Here we propose a new concept of producing few-cycle terahertz (THz) pulses with widely tunable waveforms. It is based on control of the phase delay between different parts of the THz wavefront using linear diffractive optical elements. Suitable subcycle THz wavefronts can be generated via coherent excitation of nonlinear low-frequency oscillators by few-cycle optical pulses. Using this approach it is...

Tumour-treating fields (TTFields): Investigations on the mechanism of action by electromagnetic exposure of cells in telophase/cytokinesis

Lukas Berkelmann, Almke Bader, Saba Meshksar, Anne Dierks, Gökce Hatipoglu, Joachim K. Krauss, Kerstin Schwabe, Dirk Manteuffel & Anaclet Ngezahayo
Tumour-treating fields (TTFields) use alternating electric fields which interfere with dividing cells, thereby reducing tumour growth. Previous reports suggest that electrical forces on cell structure proteins interfered with the chromosome separation during mitosis and induced apoptosis. In the present report we evaluate electromagnetic exposure of cells in telophase/cytokinesis in order to further analyse the mechanism of action on cells. We performed numerical electromagnetic simulations to analyse the field distribution in a cell during different mitotic...

Microplastics Detection in Streaming Tap Water with Raman Spectroscopy

Ann-Kathrin Kniggendorf, Christoph Wetzel & Bernhard Roth
Microplastic particles have been found in drinking water sources worldwide and, thus, also in our food and beverages. Especially small microplastics, with sizes of 1 mm and less, cannot be identified reliably without spectroscopic means such as Fourier transform infrared spectroscopy (FTIR) or Raman spectroscopy, usually applied to the particles extracted from the samples. However, for drinking and tap water, with its comparatively low biological loads, direct observation may be possible and allows a point-of-entry...

A fully continuous system of DNA profile evidence evaluation that can utilise STR profile data produced under different conditions within a single analysis

Duncan Taylor, Jo-Anne Bright, Hannah Kelly, Meng-Han Lin & John S. Buckleton
The introduction of probabilistic DNA interpretation systems has made it possible to evaluate many profiles that previously (under a manual interpretation system) were not. These probabilistic systems have been around for a number of years and it is becoming more common that their use within a laboratory has spanned at least one technology change. This may be a change in laboratory hardware, the DNA profiling kit used, or the manner in which the profile is...

Why is it so hard to gain enough Vitamin D by solar exposure in the European winter?

Gunther Seckmeyer, Christopher Mustert, Michael Schrempf, Ben Liley, Michael Kotkamp, Alkiviadis Bais, Didier Gillotay, Harry Slaper, Anna-Maria Siani, Andrew Smedley, Ann Webb & Richard McKenzie
UV exposure, which is the main source for a sufficient level of vitamin D in the human body, is found to be up to a factor of 7 lower in Northern Germany (52° N) in the winter months compared to UV levels in thecentral region of New Zealand’s South Island (45° S). When corrected for the influence of solar zenith angle, the vitamin D-weighted exposure is still a factor of 2 higher in the southern...

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