Autor: Kozielski, S. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A declarative query language for protein secondary structures
Autorzy:: Wieczorek, D.
Małysiak-Mrozek, B.
Kozielski, S.
Mrozek, D.
Powiązania:: https://bibliotekanauki.pl/articles/333087.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: proteiny
struktura drugorzędowa
podobieństwa białek
język zapytań
proteins
secondary structure
protein similarity
query language
Opis:: Searching proteins on their secondary structures provides a rough and fast method of identification of molecules having a similar fold. Since existing database management systems do not offer integrated exploration methods for querying protein structures, the structural similarity searching is usually performed by external tools. This often lengthens the processing time and requires additional processing steps, like adaptation of input and output data formats. In the paper, we present the extended SQL language, which allows searching a database in order to find proteins having secondary structures similar to the structural pattern specified by a user. Presented query language is integrated with the relational database management system and it simplifies the manipulation of biological data.
Źródło:: Journal of Medical Informatics & Technologies; 2010, 16; 139-148
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A method for matching sequences of protein secondary structures
Autorzy:: Wieczorek, D.
Małysiak-Mrozek, B.
Kozielski, S.
Mrozek, D.
Powiązania:: https://bibliotekanauki.pl/articles/333075.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: proteiny
struktura drugorzędowa
podobieństwa białek
wyrównanie
proteins
secondary structure
protein similarity
alignment
Opis:: Alignment of specific regions of two biological molecules is a basic method for determination how similar these two molecules are. There are several methods of optimal alignment that were developed through many years. However, they are dedicated for nucleotide sequences of DNA⁄RNA or amino acid sequences of proteins. Since the construction of proteins can also be analyzed at the level of secondary structure (and higher), we need a comparative method, which would allow us to determine the similarity between biological particles at this level and express it through the appropriate similarity measure. For this reason, we have modified an existing Smith–Waterman method towards matching sequences of secondary structures elements (SSEs). In the paper, we present our modification to the method. We also describe how we find several alternative and equally optimal alignment paths on the basis of the characteristics of compared sequences. Presented alignment method is used in the PSS–SQL language, which allows searching a database in order to find proteins having secondary structures similar to the structural pattern specified by a user.
Źródło:: Journal of Medical Informatics & Technologies; 2010, 16; 133-137
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Hot Pressed K0.5Na0.5NbO3 Material for Piezoelectric Transformer for Energy Harvesting
Autorzy:: Kozielski, L.
Feliksik, K.
Wodecka-Duś, B.
Szalbot, D.
Tutu, S.
Powiązania:: https://bibliotekanauki.pl/articles/353060.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: energy harvesting
piezoelectric effect
piezoelectric transformer
piezoelectric properties
Opis:: An optimized method of vibration Energy Harvesting is based on a step-down transformer that regulates the power flow from the piezoelectric element to the desired electronic load. Taking into account parameters of the whole system, the “optimal” voltage gain the piezoelectric transformer can be determined where the harvested power is maximized for the actual level of mechanical excitation. Consequently the piezoelectric transformers can be used to boost up the conversion of mechanical strain into electrical power with considerable potential in Energy Harvesting applications. Nowadays however, the most important factor is usage of lead free material for its construction. Additional desired parameters of such ceramics include high value of piezoelectric coefficients, low dielectric losses and reasonable power density. This work for first time proposes a lead free K_0.5Na_0.5NbO₃ (KNN) material implementation for stack type of piezoelectric transformer that is designed for load efficiency optimization of vibration energy harvester.
Źródło:: Archives of Metallurgy and Materials; 2018, 63, 3; 1275-1280
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Raman Scattering in Zn$\text{}_{1-x}$Mg$\text{}_{x}$Se Mixed Crystals
Autorzy:: Kozielski, M.
Szybowicz, M.
Firszt, F.
Łęgowski, S.
Męczyńska, H.
Sekulska, B.
Szatkowski, J.
Paszkowicz, W.
Powiązania:: https://bibliotekanauki.pl/articles/1952561.pdf
Data publikacji:: 1996-11
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 78.30.Fs
78.55.Et
63.20.-e
Opis:: This paper presents results of investigations of the Raman scattering of vibrational modes in Zn$\text{}_{1-x}$Mg$\text{}_{x}$Se crystals for the range of composition 0 < x < 0.43. The Raman polarized spectra of Zn$\text{}_{1-x}$Mg$\text{}_{x}$Se were measured at room temperature. The typical Raman spectrum shows four peaks which can be interpreted as longitudinal and transverse optical ZnSe-like and MgSe-like phonons. The ZnSe-like and MgSe-like vibrations can be described by the modified random element isodisplacement model. Results of the Raman measurements in the investigated range of composition confirm the two-mode behaviour of the optical phonons in the mixed Zn$\text{}_{1-x}$Mg$\text{}_{x}$ Se crystals.
Źródło:: Acta Physica Polonica A; 1996, 90, 5; 1040-1044
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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