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Special issue papers
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Authors:
Barna
Iantovics
Abstract:
The primary aim of this special issue entitled Advances in Applied Sciences was to make some preparative steps by collecting state of the art research papers necessary in the beginning of the project entitled “Electronic Health Records for the Next Generation Medical Decision Support in Romanian and Bulgarian National Healthcare Systems” abbreviated as NextGenElectroMedSupport, a Bilateral Cooperation Research Project between Romania and Bulgaria having as directors from Bulgaria Prof. dr. Roumen Kountchev, Technical University of Sofia and from Romania Senior Lecturer dr. Barna Iantovics from Petru Maior University of Targu Mures. [...]
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Authors:
Jean
Dezert
, Florentin
Smarandache
Abstract:
The management and combination of uncertain, imprecise,
fuzzy and even paradoxical or highly conflicting sources of information has always been, and still remains today, of primal importance for the development of reliable modern information systems involving artificial reasoning. In this introduction, we present a survey of our recent theory of plausible and para-
doxical reasoning, known as Dezert-Smarandache Theory (DSmT), developed for dealing with imprecise, uncertain and conflicting sources of information. We focus our presentation on the foundations of DSmT and on its most important rules of combination, rather than on browsing specific applications of
DSmT available in literature. Several simple examples are given throughout this presentation to show the e±ciency and the generality of this new theory.
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Authors:
Roberto
Paiano
, Andrea
Roggerone
Abstract:
Web is a measureless growing information source. Here we could have the common user that surf the web for fun, and the particular user surfing the web to work, for instance, the financial analyst that hopes to find some financial information.These users are similar in their habit to visit ever
a pool of 10-15 websites where they are sure to find interesting information. In this paper, we introduce the architecture of a Rich Internet Application (RIA) that uses the power of Semantics to create a new type of Web Portal fully customizable that we will call MyE-Wall. In this portal, the user can’t attach widget, but modules containing each one the section of a particular web site. Therefore, the idea is allow a user to create of a new website composed by a patchwork of different website’s sections selected by himself. Here we use semantics for two reasons: (i) to process the structure of a particular website and create the corresponding module to attach on the portal (ii) to provide the application of a set of features (reasoning engine, swrl rules, etc...) to reason on the information collected, according the preferences that the user
could have specified in his own profile.
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Authors:
Ugo
Barchetti
, Alberto
Bucciero
, Anna
Lissa Guido
, Luca
Mainetti
, Roberto
Paiano
, Andrea
Pandurino
Abstract:
Nowadays there are an increasing evolution of technological
solutions providing the virtual collaboration among people geographically distributed to obtain some common goals. At the same time virtual collaborative environments are often used for learning purposes because increase the interaction among users. These systems are usually developed in a custom way according to the specific requirements without any kind of standardization in terms of definition of collaboration among involved users. Although the literature shows attempts to formally express learning processes through a standard
language, there are not proposals that combine e-learning languages with typical concepts of 3D collaborative experiences. This paper propose a notation model able to design collaboration for e-learning virtual environments. In this paper we present also the architecture of a tool that helps the designer in the use of the notation model here proposed.
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Authors:
Rodica
Mariana Ion
, Adriana
Filip
, Simona
Clichici
, Adriana
Muresan
Abstract:
Helping improve humanity is one of the promises of nanotechnology and nanomedicine. This paper will highlight some of the research findings in the nanomedicine area by creating a pharmacokinetic model of 5,10,15,20-tetra-(4-sulfonatophenyl)porphyrin (TSPP) used as sensitizer in
photodynamic therapy.
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Authors:
Daniel
Munteanu
, Rodica-Mariana
Ion
, George-Costel
Cocina
Abstract:
Helping improve humanity is one of the promises of nanotech-
nology and nanomedicine. This paper will highlight some of the research findings in the nanomedicine area by testing some single- and multi-walls carbon nanotubues in rats cerebral aneurisms.
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Authors:
Clara
Ionescu
, Ionut
Muntean
, Robin
De Keyser
Abstract:
This paper presents a model of the respiratory tree as a recurrent, but asymmetric, structure. The intrinsic properties posed by such a system lead to a multi-fractal structure, i.e. a non-integer order model of the total impedance. The fractional order behavior of the asymmetric tree simulated as a dynamic system is assessed by means of Bode plots, on a wide range of frequencies. The results indicate than in a specific frequency range, both the symmetric
and asymmetric representation of the respiratory tree lead to similar values in the impedance.
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Authors:
Marcela-Corina
Rosu
, Ramona-Crina
Suciu
, Simina-Virginia
Dreve
, Ioan
Bratu
, Teofil-Danut
Silipas
, Emil
Indrea
Abstract:
The TiO2/CdS semiconductor composites were prepared on
indium tin oxide (ITO) substrates in di®erent mass proportions via wet-chemical techniques using bi-distilled water, acetyl-acetone, poly-propylene-glycol and Triton X-100 as additives. The composite layers were annealed in normal conditions at the temperature of 450±C, 120 min. with a rate of temperature increasing of 5±C/min. The structural and optical properties of all the TiO2/CdS ayers were characterized by X-ray di®raction, UV-VIS spectroscopy, spectrofluorimetry and FT/IR microscopy. The microstructural properties of the deposited TiO2/CdS layers can be modi¯ed by varying the mass proportions of TiO2:CdS. The good crystallinity level and the high optical adsorption of
the TiO2/CdS layers make them attractive for photoelectrochemical cell applications.
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Authors:
Angel
Garrido
Abstract:
Many researchers are attempting to create systems which
mimic human thought, or understand speech, or beat to the best human chess-player [14]. Understanding intelligence and Creating intelligent artifacts both are the twin goals of Artificial Intelligence (AI).In more recent times, the interest is focused on problems related with Complex Networks [3, 5,6, 19], in particular on questions such as clustering search and identification. We attempt, in this paper, a panoramic vision of such mathematical methods in AI.
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Authors:
Andreas
Petter
, Stephan
Borgert
, Erwin
Aitenbichler
, Alexander
Behring
, Max
Mäuhlhäuser
Abstract:
Developing applications comprising service composition is a complex task. Therefore, to lower the skill barrier for developers, it is important to describe the problem at hand on an abstract level and not to focus on implementation details. This can be done using declarative programming which allows to describe only the result of the problem (which is what the developer wants) rather than the description of the implementation. We therefore use purely declarative model-to-model transformations written in a universal model transformation language which is capable of handling even non functional properties using optimization and mathematical programming. This makes it easier to understand and describe service composition and non-functional properties for the developer.
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Authors:
Adela
Ionescu
Abstract:
Nowadays, computational fluid dynamics (CFD) becomes
more and more mature. In the same time, it becomes more and more difficult to contribute fundamental research to it. Although the software tools in this area are increasing in importance, the way how CFD develops remain unpredictable, and it is part of what makes it an exciting and attractive discipline. The mixing phenomena - and the mixing theory - are using more and more CFD tools. This modern theory issued in the flow kinematics after hundred of years of stability study, has mathematical methods and techniques which are developing a continuous signi¯cant relation between turbulence and chaos. The turbulence is an important feature of dynamic systems with few freedom degrees, the so-called far from equilibrium systems. These are widespread between the models of excitable media. The present paper exhibits some recent results of the turbulent mixing study, based on computational tools of MAPLE11 soft. The data would be statistically analyzed, in order to construct a significant guideline in understanding the transition from stability to
chaos in these excitable media.
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Authors:
Ana
Ioanid
, Radu
Mircea Ciuceanu
Abstract:
Dielectric analysis (DEA) shows changes in the properties of
a materials as a response to the application on it of a time dependent electric field. Dielectric measurements are extremely sensitive to small changes in materials properties, that molecular relaxation, dipole changes, local motions that involve the reorientation of dipoles, and so can be observed by DEA. Electrical double layer (EDL), consists in a shielding layer that is naturally created within the liquid near a charged surface. The thickness of the EDL is given by the characteristic Debye length what grows less with the ionic strength defined by half summ products of concentration with square of charge for all solvent
ions (co-ions, counterions, charged molecules). The typical length scale for the Debye length is on the order of 1 nm, depending on the ionic contents in the solvent; thus, the EDL becomes significant for nano-capillaries that nanochannels. The electrokinetic e®ects in the nanochannels depend essentialy on the distribution of charged species in EDL, described by the Poisson-Boltzmann equation those solutions require the solvent dielectric permittivity. In this work we propose a model for solvent low-frequency permittivity and a DEA profile taking into account both the porous silicon electrode and aqueous solvent properties in the Debye length range.
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Authors:
Mihaela
Baritz
, Diana
Cotoros
, Luciana
Cristea
, Liliana
Rogozea
Abstract:
In this paper we present a set of observations concerning the analysis and assessment of human bio-behavior during gait process. In the first part of the paper the fundamental and theoretical considerations of the gait process are approached and aspects connected to malfunctions are expressed. In the second part of the paper we present the modeling methodology using the LifeMOD software, while in the third part the results and conclusions are presented.
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Authors:
Eleonora
Mircia
, Silvia
Imre
, Teodora
Balaci
, Veronica
Avrigeanu
, Gabriel
Hancu
Abstract:
In this work three formulations of modified release tablets
containing pentoxifylline 400 mg/tablet were obtained. Hydroxypropylcellulose (HPC) in di®erent ratios was used as hydrophilic matrix agent. The pentoxifylline inclusion in the matrix has been carried out by water granulation, using PEG 6000 as binder. Tablets were obtained with a single station
tablet machine (Korsch), using standard pressure, and obtaining tablets with 13 mm diameter, 800 mg weight and 400 mg pentoxifylline per tablet. The weight uniformity, friability, hardness, thickness and disintegration of tablets were determined according to the stipulations of the 2001 Supplement of the Romanian Pharmacopoeia Xth edition. The experimental formulations with 400 mg pentoxifylline/tablet were studied by comparing them to the industrial reference product, Trental 400 mg (Aventis Pharma) and in according
to the stipulations of Romanian Pharmacopoeia Xth edition, USP 27 and European Pharmacopoeia 5th edition. Every determination was performed using 20 tablets. We followed the comparison between dissolution profiles of slow release tablets containing pentoxifylline based on hydrophilic matrix. The dissolution studies were performed using the method from USP 24, using the paddle apparatus, and water as medium of dissolution at 37+/-0,5 Celsius degrees, at a rotation speed of 50 rpm. The determination was performed by spectrofotometric as say in UV at 274 nm. It was noticeable that regarding the weight uniformity, friability, hardness, thickness and disintegration the proposed formulations are comparable with the industrial reference product (Trental, 400 mg) and are in agreement with the stipulations of the Romanian Pharmacopoeia Xth edition and European Pharmacopoeia 5th edition. The analysis of dissolution profiles showed that all formulations exhibit slow release.
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