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Luzern, Switzerland

The Lucerne University of Applied science and Arts is one of seven regional, public-funded universities of applied science founded in 1997. The University was called University of Applied science of Central Switzerland until October the 15th 2007. Lucerne University of Applied science and Arts is a Swiss public vocational university with campuses in Lucerne, Horw and Zug. Wikipedia.

Martinez-Garcia J.C.,University of Bern | Rzoska S.J.,University of Silesia | Rzoska S.J.,Polish Academy of Sciences | Drozd-Rzoska A.,Foundation C2B | Martinez-Garcia J.,Lucerne University of Applied Sciences
Nature Communications | Year: 2013

The dynamics of glass is of importance in materials science but its nature has not yet been fully understood. Here we report that a verification of the temperature dependencies of the primary relaxation time or viscosity in the ultraslowing/ultraviscous domain of glass-forming systems can be carried out via the analysis of the inverse of the Dyre-Olsen temperature index. The subsequent analysis of experimental data indicates the possibility of the self-consistent description of glass-forming low-molecular-weight liquids, polymers, liquid crystals, orientationally disordered crystals and Ising spin-glass-like systems, as well as the prevalence of equations associated with the 'finite temperature divergence'. All these lead to a new formula for the configurational entropy in glass-forming systems. Furthermore, a link to the dominated local symmetry for a given glass former is identified here. Results obtained show a new relationship between the glass transition and critical phenomena. © 2013 Macmillan Publishers Limited. All rights reserved. Source

Achermann M.,University of Massachusetts Amherst | Achermann M.,Lucerne University of Applied Sciences
Journal of Physical Chemistry Letters | Year: 2010

The complementary optical properties of metal and semiconductor nanostructures make them attractive components for many applications that require controlled flow of electromagnetic energy on the nanometer length scale. When combined into heterostructures, the nanometer-scale vicinity of the two material systems leads to interactions between quantum-confined electronic states in semiconductor nanostructures and dielectric-confined electromagnetic modes in the metal counterparts. Such exciton-plasmon interactions allow design of absorption and emission properties, control of nanoscale energy-transfer processes, creation of new excitations in the strong coupling regime, and increase of optical nonlinearities. With the advancement of novel fabrication techniques, the functionalities of metal-semiconductor nanostructures will be further increased for better control of optical properties and energy flows on nanometer length and femtosecond time scales. © 2010 American Chemical Society. Source

Ivanov S.A.,Los Alamos National Laboratory | Achermann M.,University of Massachusetts Amherst | Achermann M.,Lucerne University of Applied Sciences
ACS Nano | Year: 2010

Using time-resolved photoluminescence spectroscopy, we analyze single and multiexciton emission energies and decay dynamics of CdS/ZnSe core/shell nanocrystals (NCs). The NCs exhibit a characteristic type-II band alignment that leads to spatially separated charges; this effect is at the origin of long radiative exciton lifetimes, repulsive biexciton interaction energies, and reduced Auger recombination efficiencies. We determine these properties as a function of ZnSe shell thickness and find that the exciton emission energies and the decay times depend little on this parameter. In contrast, the spectral and dynamic properties of biexcitons vary strongly with the shell thickness. The considerable shell dependence of the biexciton decay lets us conclude that the associated Auger process involves the excitation of holes localized in the ZnSe shell. In NCs with thick shells, the large blue shift of the biexciton emission energy is mainly caused by Coulomb repulsion between electrons localized in the CdS core. The different sensitivity of exciton and multiexciton characteristics on the ZnSe shell thickness provides a unique opportunity to tune them independently. © 2010 American Chemical Society. Source

Agency: Cordis | Branch: FP7 | Program: CP | Phase: ICT-2011.5.2 | Award Amount: 3.24M | Year: 2013

Infertility affects 12% to 15% of reproductive age couples in Europe, costs approximately 1 billion Euros per year, and experts agree that these figures will double in a decade. In about 50% of such couples, infertility is caused by female health problems, more than 40% of which are related to endocrinological diseases impairing womens health independently from fertility. Such considerations motivate our three-pillar project focusing on quantitative models for Infertility Related Endocrinological Diseases (IREDs).\n\nOur first pillar (modelling) will develop patient-specific computer-based models for IRED. Such models will account for the physiological and pathophysiological mechanisms regulating the menstrual cycle and how this is influenced by external (e.g., drugs) as well as environmental (e.g., obesity) factors. Our model will enable a quantitative understanding of the mechanisms behind endocrine disorders such as Polycystic Ovarian Syndrome (PCOS), hyperprolactinemia or endometriosis.\n\nOur second pillar (computation) will develop general purpose methods and tools to support effective exploitation of patient-specific models to reliably predict the outcome of a treatment on a specific patient and to support individualisation of a treatment for a specific patient.\n\nOur third pillar (clinical trial) will gather data (e.g. hormonal secretion patterns in different physiological and pathophysiological settings) to enable validation of the models and tools developed in our project and will carry out such a validation thereby providing feedback to the previous pillars. Such a feedback loop will drive the iterative refinement approach foreseen in our project.\n\nOur multidisciplinary consortium consists of highly qualified research institutions (HSLU, URM1, ZIB), and hospitals (MHH, UZH). The resulting synergies will enable successful completion all project objectives as well as wide dissemination and effective exploitation of the project results.

Agency: Cordis | Branch: FP7 | Program: CP | Phase: ICT-2011.1.3 | Award Amount: 14.43M | Year: 2011

Recent ICT advances are bringing to reality a world where sensors, actuators and smart portable devices are interconnected into an Internet-of-Things (IoT) ecosystem reaching 50 Billion devices by 2015.The IoT major challenges are, from a systemic viewpoint, smart resource management and digital security; and from a user/service perspective, the pervasiveness (uniformity of performance anytime and anywhere) and awareness (inversely proportional to the degree of knowledge required from users).BUTLER will be the first European project to emphasise pervasiveness, context-awareness and security for IoT. Through a consortium of leading Industrial, Corporate R&D and Academic partners with extensive and complementary know-how, BUTLER will integrate current and develop new technologies to form a bundle of applications, platform features and services that will bring IoT to life.For this purpose, BUTLER will focus on:a)\tImproving/creating enabling technologies to implement a well-defined vision of secure, pervasive and context-aware IoT, where links are inherently secure (from PHY to APP layers) applications cut across different scenarios (Home, Office, Transportation, Health, etc.), and the network reactions to users are adjusted to their needs (learned and monitored in real time).b)\tIntegrating/developing a new flexible smartDevice-centric network architecture where platforms (devices) function according to three well-defined categories: smartObject (sensors, actuators, gateways), smartMobile (users personal device) and smartServers (providers of contents and services), interconnected over IPv6.c)\tBuilding a series of field trials, which progressively integrate and enhance state-of-the-art technologies to showcase BUTLERs secure, pervasive and context-aware vision of IoT.In addition to these R&D innovations, BUTLER and its External Members Group will also aggregate and lead the European effort in the standardisation and exploitation of IoT technologies.

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