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Search Results: 1 - 10 of 1139 matches for " Sonja Sucic "
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Cell Death Mechanisms at the Maternal-Fetal Interface: Insights into the Role of Granulysin
Danijela Veljkovic Vujaklija,Sonja Sucic,Tamara Gulic,Marin Dominovic,Daniel Rukavina
Clinical and Developmental Immunology , 2012, DOI: 10.1155/2012/180272
Abstract: During mammal pregnancy, a sensitive balance between hormones, cytokines, humoral factors, and local cellular interactions must be established. Cytotoxic cells infiltrating the decidua are heavily equipped with cytolytic molecules, in particular perforin and granulysin. Granulysin is especially abundant in NK cells which are able to spontaneously secrete high quantities of granulysin. Besides being a potent bactericidal and tumoricidal molecule, granulysin is also found to be a chemoattractant and a proinflammatory molecule. The precise role(s) of granulysin at the maternal-fetal interface has not been elucidated yet. It is possible that it behaves as a double-edged sword simultaneously acting as an immunomodulatory and a host defense molecule protecting both the mother and the fetus from a wide spectrum of pathogens, and on the other hand, in case of an NK cell activation, acting as an effector molecule causing the apoptosis of semiallograft trophoblast cells and consequently leading to various pregnancy disorders or pregnancy loss.
An Efficient Algorithm for Instantaneous Frequency Estimation of Nonstationary Multicomponent Signals in Low SNR
Jonatan Lerga,Victor Sucic,Boualem Boashash
EURASIP Journal on Advances in Signal Processing , 2011, DOI: 10.1155/2011/725189
Role of the national energy system modelling in the process of the policy development
Pusnik Matevz,Sucic Boris,Urbancic Andreja,Merse Stane
Thermal Science , 2012, DOI: 10.2298/tsci120109120p
Abstract: Strategic planning and decision making, nonetheless making energy policies and strategies, is very extensive process and has to follow multiple and often contradictory objectives. During the preparation of the new Slovenian Energy Programme proposal, complete update of the technology and sector oriented bottom up model of Reference Energy and Environmental System of Slovenia (REES-SLO) has been done. During the redevelopment of the REES-SLO model trade-off between the simulation and optimisation approach has been done, favouring presentation of relations between controls and their effects rather than the elusive optimality of results which can be misleading for small energy systems. Scenario-based planning was integrated into the MESAP (Modular Energy System Analysis and Planning) environment, allowing integration of past, present and planned (calculated) data in a comprehensive overall system. Within the paper, the main technical, economic and environmental characteristics of the Slovenian energy system model REES-SLO are described. This paper presents a new approach in modelling relatively small energy systems which goes beyond investment in particular technologies or categories of technology and allows smooth transition to low carbon economy. Presented research work confirms that transition from environment unfriendly fossil fuelled economy to sustainable and climate friendly development requires a new approach, which must be based on excellent knowledge of alternative possibilities of development and especially awareness about new opportunities in exploitation of energy efficiency and renewable energy sources.
Inverse Problems for Difference Equations with Quadratic Eigenparameter Dependent Boundary Conditions-II  [PDF]
Sonja Currie, Anne Love
Advances in Pure Mathematics (APM) , 2016, DOI: 10.4236/apm.2016.610051
Abstract: The following inverse problem is solved—given the eigenvalues and the potential b(n) for a difference boundary value problem with quadratic dependence on the eigenparameter, λ, the weights c(n)?can be uniquely reconstructed. The investi-gation is inductive on m where represents the number of unit intervals and the results obtained depend on the specific form of the given boundary conditions. This paper is a sequel to [1] which provided an algorithm for the solution of an analogous inverse problem, where the eigenvalues and weights were given and the potential was uniquely reconstructed. Since the inverse problem considered in this paper contains more unknowns than the inverse problem considered in [1], an additional spectrum is required more often than was the case in [1].
Competition of Intermediaries in a Differentiated Duopoly  [PDF]
Sonja Brangewitz, Jochen Manegold
Theoretical Economics Letters (TEL) , 2016, DOI: 10.4236/tel.2016.66124
Abstract: On an intermediate goods market with asymmetric production technologies as well as vertical and horizontal product differentiation, we analyze the influence of simultaneous competition for resources and customers. The intermediaries face either price or quantity competition on the output market and a monopolistic, strategically acting supplier on the input market. We find that there exist quality and productivity differences such that for quantity competition only one intermediary is willing to procure inputs from the input supplier, while for price competition both intermediaries are willing to purchase inputs. Moreover, the well-known welfare advantage of price competition can in general be no longer confirmed in our model with an endogenous input market and asymmetric intermediaries.
Lorenz Curves, Size Classification, and Dimensions of Bubble Size Distributions
Sonja Sauerbrei
Entropy , 2010, DOI: 10.3390/e12010001
Abstract: Lorenz curves of bubble size distributions and their Gini coefficients characterize demixing processes. Through a systematic size classification, bubble size histograms are generated and investigated concerning their statistical entropy. It turns out that the temporal development of the entropy is preserved although characteristics of the histograms like number of size classes and modality are remarkably reduced. Examinations by Rényi dimensions show that the bubble size distributions are multifractal and provide information about the underlying structures like self-similarity.
A blueprint for democratic citizenship education in South African public schools: African teachers' perceptions of good citizenship
Sonja Schoeman
South African Journal of Education , 2006,
City as a (touristic) product
Lebo?, Sonja
PASOS : Revista de Turismo y Patrimonio Cultural , 2005,
Abstract: Urban areas and socio-cultural aspects of urban processes are important subjects for development of Cultural Tourism. This article argues for multidisciplinary approach to urban planning, stresses the importance of quality of life of citizens, which implies the quality of staying of their guests. In complex attempt of mapping the sites of interest (while having in view different models of typologies of a tourist), emphasis has been put on strategy that involves the contemporary art-praxis connected to cultural and visual anthropology. In the continuance, through blending anthropological and semiotical concepts, the most important issues that have been raised are: coexistence of the most distinctive cultural features even in the smallest urban units, studies of social and aesthetic signs that represent those features and production of meaning in cooperation of host and tourist in projecting a city as a (touristic) product. The article extensively uses arguments derived from numerous case-studies of the urban area of the city of Zagreb, Croatian capital
Top healthcare research in Vienna … as basis for medical excellence in Vienna
Sonja Wehsely
International Journal of Integrated Care , 2009,
Sonja Petrovi?
Ljetopis Studijskog Centra Socijalnog Rada , 2002,
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