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Wyszukujesz frazę "Nagy, Sandor" wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Najwyższe organy kontroli oraz nowe aspekty kreowania wartości publicznej w złożonych systemach adaptacyjnych
Supreme Audit Institutions and New Aspects of Public Value Creation in Complex Adaptive Systems
Autorzy:
Nagy, Sandor
Powiązania:
https://bibliotekanauki.pl/articles/416967.pdf
Data publikacji:
2016-08
Wydawca:
Najwyższa Izba Kontroli
Tematy:
Supreme Audit Institutions
value
public value creation
complexity
complex adaptive systems
Opis:
Supreme Audit Institutions must face increasing pressure owing to the financial and economic crisis and public finance crisis: contribute to a healthier and more effective functioning of the public accountability system and to generate higher social impacts by their activities. In order to meet these expectations, their value creation processes should be reconsidered and adjusted to the new recognitions about the complex adaptive systems. In his article, the author elaborates on some proposals which are based on the complex systems theory.
Źródło:
Kontrola Państwowa; 2016, 61, 4 (369); 33-51
0452-5027
Pojawia się w:
Kontrola Państwowa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biocatalytic synthesis of δ-gluconolactone and ε-caprolactone copolymers
Autorzy:
Todea, Anamaria
Badea, Valentin
Nagy, Lajos
Kéki, Sándor
Boeriu, Carmen
Péter, Francisc
Powiązania:
https://bibliotekanauki.pl/articles/1039277.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
ε-caprolactone
d-gluconolactone
lipases
biopolymers
Opis:
The biodegradability and biocompatibility properties of ε-caprolactone homopolymers place it as a valuable raw material, particularly for controlled drug delivery and tissue engineering applications. However, the usefulness of such materials is limited by their low hydrophilicity and slow biodegradation rate. In order to improve polycaprolactone properties and functionalities, copolymerization of ε-caprolactone with δ-gluconolactone was investigated. Since enzymatic reactions involving sugars are usually hindered by the low solubility of these compounds in common organic solvents, finding the best reaction medium was a major objective of this research. The optimal copolymerization conditions were set up by using different organic media (solvent and solvents mixtures), as well as solvent free systems that are able to dissolve (completely or partially) sugars, and are nontoxic for enzymes. Native and immobilized lipases by different immobilization techniques from Candida antarctica B and Thermomyces lanuginosus have been used as biocatalyst at 80°C. Although the main copolymer amount was synthesized in DMSO:t-BuOH (20:80) medium, the highest polymerization degrees, up to 16 for the copolymer product, were achieved in solventless conditions. The products, cyclic and linear polyesters, have been characterized by FT-IR and MALDI-TOF MS analysis. The reaction product analysis revealed the formation of cyclic products that could be the major impediment of further increase of the chain length.
Źródło:
Acta Biochimica Polonica; 2014, 61, 2; 205-210
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary result of a genetic polymorphism of β-lactoglobulin gene and the phylogenetic study of ten balkan and central european indigenous sheep breeds
Autorzy:
Kusza, Szilvia
Sziszkosz, Nikolett
Nagy, Krisztina
Masala, Amela
Kukovics, Sándor
András, Jávor
Powiązania:
https://bibliotekanauki.pl/articles/1039143.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
Tsigai group
Zackel sheep
β-LG
allele frequencies
genetic relationship
sequencing
Opis:
Genetic polymorphism at the β-lactoglobulin (β-LG) loci in indigenous sheep breeds (Tsigai, Racka, Pramenka) was determined. Altogether 904 sheep were genotyped for the presence of the A, B and C alleles of β-lactoglobulin by PCR-RFLP. The AB genotype was the most common and the β-lactoglobulin A was the most frequent in the Cokanski Tsigai (54%), while the B allele was the most common in the Rusty and the Zomborski Tsigai (59%, 60%). The C allele was found only in one individual from Serbian Cokanski flock. These results differ from those that refer to other native sheep breeds. In the Cokanski Tsigai, deviation from the Hardy-Weinberg equilibrium was detected. Genetic relationship based on β-lactoglobulin polymorphism was the closest between the Rusty and the Cokanski Tsigai among the studied populations and between sheep and goat among the other ruminants. Part of the promoter region (254 bp) of β-LG in studied sheep breeds were sequenced in order to identify polymorphisms, analyze haplotypes, and phylogenetic relationship among them. Sequencing analysis and alignment of the obtained sequences showed one haplotype. Analysis of more samples and longer parts of the promoter region of β-LG are needed to reconstruct a phylogenetic tree.
Źródło:
Acta Biochimica Polonica; 2015, 62, 1; 109-112
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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