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Design of Distributed Decentralized Estimators for Formations with Fixed and Stochastic Communication Topologies
(2009)AutomaticaThis paper proposes a solution to the problem of synthesizing distributed decentralized estimators for a formation of agents. The collected dynamics of the formation are modeled by a discrete LTI system. In the considered estimation structure each agent of the formation carries an estimate of the entire formation state. Agents of the formation can communicate information between each other through unidirectional links modeled with a ...Journal Article -
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The role of sulfur in the formation of magmatic-hydrothermal copper-gold deposits
(2009)Earth and Planetary Science LettersJournal Article -
Flame synthesis of supported platinum group metals for catalysis and sensors
(2009)Platinum metals reviewPlatinum group metals (pgms) supported on a carrier material are widely applied as catalysts. These catalysts are conventionally prepared by wet-phase processes in several steps, while recently developed flame processes allow synthesis of supported pgms in a single step including the support material. Here, we describe flame processes and how finely dispersed supported pgms are made in these flames. So Pt/Al2O3, Pd/ZnO, Rh/Al2O3, Pt/Ba/Al2O3 ...Journal Article -
Competitive politics, simplified heuristics, and preferences for public goods
(2008)Ecological EconomicsJournal Article -
Electro-spun, semiconducting, oriented fibers of supramolecular quasi-linear platinum compounds
(2006)Platinum metals reviewThe semiconducting Magnus’salt derivatives [Pt(NH2eh)4][PtCl4] and [Pt(NH2dmoc)4][PtCl4], with eh = (R)-2-ethylhexyl and dmoc = (S)-3,7-dimethyloctyl, are compounds that exhibit a supramolecular structure comprising a backbone of linear arrays of platinum atoms. These compounds behave essentially like ordinary polymers. In this work they were processed into fibres by electrospinning from organic solvents such as toluene. X-ray diffraction ...Journal Article -
Derivatives of Magnus green salt: From intractable materials to solution-processed transistors
(2004)Platinum metals reviewMagnus’ green salt is a quasi-one-dimensional compound of composition [Pt(NH3)4][PtCl4] comprising linear arrays of platinum(II) ions. It is essentially insoluble in water and organic solvents and therefore difficult to process, which limits its use. Recently, soluble and thus processible derivatives of Magnus’ green salt have been synthesised by substituting the ammonia by linear and branched aminoalkanes. The Pt-Pt distances and the ...Journal Article -
Health promotion in primary care: evaluation of a systematic procedure and stage specific information for physical activity counseling
(2009)Swiss Medical WeeklyPrinciples: Given the demographic development, healthy aging becomes more and more relevant. However, physical activity as an important health resource lacks dissemination in persons of older age in Switzerland. Thus, the present study aimed to develop and evaluate a feasible approach for physical activity promotion in the promising primary care setting. Method: An expert panel developed two procedures for physical activity counselling ...Journal Article -
Systematic counselling by general practitioners for promoting physical activity in elderly patients: a feasibility study
(2006)Swiss Medical WeeklyResearch questions: To investigate how the daily physical activities of elderly patients can be enhanced by systematic counselling conducted by general practitioners (GPs). Methods: In this feasibility study with pre-post design, 29 people (14 females, mean age 72.2 years, SD = 6.1) were enrolled during routine visits by two general practitioners. A baseline assessment of current physical activity based on the stages according to ...Journal Article -
Resource allocation to brain research in Switzerland
(2008)Swiss Medical WeeklyQuestions under study: This study represents a first attempt at estimating Swiss resource allocation to brain research including both public and private spending. Methods: In order to estimate public spending (by governments and charities) a survey was conducted to evaluate the way brain research is funded across Europe and especially in Switzerland. Industry funding was measured using different approaches including a survey of ...Journal Article