Browsing by Institution "Vilniaus universitetas"
Now showing items 1-20 of 1567
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1-(N,N`-DIMETHYLAMINE)-4-(4-MORPHOLINE)BENZENE as electron transfer mediator in oxidoreductases‘ catalysed reactions
(Chemija ir cheminė technologija. Studentų mokslinės konferencijos medžiaga., 2015)This paper focuses on the investigation of the reactivity of mediator 1-(N,N`-dimethylamine)-4-(4-morpholine)benzene (AMB) with fungal laccases, PQQ-dependent dehydrogenases and NADH by spectrophotometric and electrochemic ... -
11-17 metų imtynininkų ir nesportuojančių asmenų organizmo funkcinio pajėgumo rodiklių kitimai dėl brendimo ir treniruotės krūvių poveikio
(Sporto mokslas / Vilniaus pedagoginis universitetas, Lietuvos sporto mokslo taryba, Lietuvos olimpinė akademija, Lietuvos kūno kultūros akademija, 2013)Iki krūvio atlikimo KG laktato koncentracija buvo 1,78 ± 0,38 mmol/l, imtynininkų – 1,81 ± 0,41 mmol/l. Po krūvio atlikimo KG padidėjo iki 7,8 ± 1,06 mmol/l, PG – iki 8,14 ± 1,18 mmol/l (p > 0,05). 16 metų KG jaunuolių iki ... -
3D cellular spheroids as tools for understanding carboxylated quantum dot behavior in tumors
(Biochimica et biophysica acta : general subjects, 2018)Monolayer cell cultures have been considered the most suitable technique for in vivo cellular experiments. However, a lot of cellular functions and responses that are present in natural tissues are lost in two-dimensional ... -
3D sferoidinių ląstelių kultūrų pritaikymas priešvėžinių vaistų tyrimuose
(42-oji Lietuvos nacionalinė fizikos konferencija, 2017 m. spalio 4-6 d., Vilnius : programa ir pranešimų tezės / Vilniaus universitetas; Fizinių ir technologijos mokslų centras; Kauno technologijos universitetas; Lietuvos fizikų draugija, 2017) -
9H-Karbazol-2-olio panaudojimas naujų organinių fotopuslaidininkių sintezei
(Organinė chemija = Organic chemistry : mokslinės konferencijos pranešimų medžiaga / Kauno technologijos universitetas, 2008)New compounds with carbazolyl moieties and diphenylvinyl groups were synthesized and investigated. The hole transporting materials are suitable for use in electrophotography. -
A building's refurbishment knowledge and device based decision support system
(Cooperative design, visualization, and engineering: third international conference, CDVE 2006, Mallorca, Spain, September 17-20, 2006: proceedings. Lecture Notes in Computer Science, 2006)The integration of knowledge-based, devices-based and decision support systems have a very promising future in scientific research. The authors of this paper participated in the project Framework 6, ‘Bringing Retrofit ... -
A building's refurbishment knowledge-based decision support system
(International journal of environment and pollution (IJEP), 2008)The need to effectively integrate decision-making tasks, together with knowledge representation and visualisation tasks, inference procedures that model an expert's thinking process, has strained research attempts to ... -
A comparative analysis of mathematical methods for homogeneity estimation of the Lithuanian population
(Acta medica Lituanica, 2019)Population genetic structure is one of the most important population genetic parameters revealing its demographic features. The aim of this study was to evaluate the homogeneity of the Lithuanian population on the basis ... -
A comparison of discrete schemes for numerical solution of parabolic problems with fractional power elliptic operators
(Mathematics: Section Computational and Applied Mathematics, 2021)The main aim of this article is to analyze the efficiency of general solvers for parabolic problems with fractional power elliptic operators. Such discrete schemes can be used in the cases of non-constant elliptic operators, ... -
A comparison of parallel algorithms for numerical solution of parabolic problems with fractional power elliptic operators
(Axioms, 2022)In this article we construct parallel solvers analyze the efficiency and accuracy of general parallel solvers for three dimensional parabolic problems with the fractional power of elliptic operators. The proposed discrete ... -
A computational method to differentiate rheumatoid arthritis patients using thermography data
(Technology and health care, 2022)BACKGROUND: The traditional rheumatoid arthritis (RA) diagnosis is very complicated because it uses many clinical and image data. Therefore, there is a need to develop a new method for diagnosing RA using a consolidated ... -
A dynamic fuzzification approach for interval type-2 membership function development: case study for QoS planning
(Soft computing, 2021)Nowadays, there is a great interest in expressing uncertain concepts by means of fuzzy set theory proposed by L.A. Zadeh. The application of the fuzzy sets theory includes a fuzzification process that expresses an uncertain ... -
A finite-difference scheme for a nonlinear model of wood drying process
(Lietuvos matematikos rinkinys, 2003)In this paper we discuss the construction and analysis of a finite-difference scheme for solving a system of two nonlinear differential equations. The mathematical model describes the process of moisture motion in a wood. ... -
A gene encoding a DUF523 domain protein is involved in the conversion of 2-thiouracil into uracil
(Environmental microbiology reports, 2018)Modified nucleotides are present in many RNA species in all Domains of Life. While the biosynthetic pathways of such nucleotides are well studied, much less is known about the degradation of RNAs and the return to the ... -
A general review of drift mobility, diffusion coefficient of randomly moving charge carriers in metals and other materials with degenerate electron gas
(New insights into physical science, 2020)In this short review some aspects of applications of free electron theory on the ground of the Fermi statistics will be analysed. There it is an intention to attempt somebody’s attention to problems in widespread literature ... -
A hybrid systematic review approach on complexity issues in data-driven fuzzy inference systems development
(Informatica, 2021)The data-driven approach is popular to automate learning of fuzzy rules and tuning membership function parameters in fuzzy inference systems (FIS) development. However, researchers highlight different challenges and issues ... -
A mathematical model of the message switching system
(PRIP'2011 : the 11th international conference on pattern recognition and information processing, May 18-20, Minsk, Belarus, 2011)The object of this research in the sphere of queueing theory is the theorem about the law of the iterated logarithm under the conditions of heavy traffic in multiphase queueing systems and its application to the model of ... -
A method for accelerated computation of the Riemann zeta function on the complex plane
(Publicationes mathematicae Debrecen, 2022)The paper extends the study of efficient algorithms for the computation of the Riemann zeta function on the complex plane. It is dedicated to numerical aspects of the implementation of the algorithm. Since the straightforward ... -
A mixed-stable approach to the management of the portfolio using high-frequency financial data
(Information Technology and Control, 2017)This paper considers the problem of portfolio selection using high-frequency fnancial time series. Such time series often exhibit the stagnation effect when the assets’ returns are not changing. This effect causes a lot of ...