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Wyszukujesz frazę "Rubel, L." wg kryterium: Autor

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Application of Density Based Clustering to Microarray Data Analysis
    Autorzy:
    Raczynski, L.
    Wozniak, K.
    Rubel, T.
    Zaremba, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/226804.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    microarrays
    cluster analysis
    DBSCAN
    Opis:
    In just a few years, gene expression microarrays have rapidly become a standard experimental tool in the biological and medical research. Microarray experiments are being increasingly carried out to address the wide range of problems, including the cluster analysis. The estimation of the number of clusters in datasets is one of the main problems of clustering microarrays. As a supplement to the existing methods we suggest the use of a density based clustering technique DBSCAN that automatically defines the number of clusters. The DBSCAN and other existing methods were compared using the microarray data from two datasets used for diagnosis of leukemia and lung cancer.
    Źródło:
    International Journal of Electronics and Telecommunications; 2010, 56, 3; 281-286
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new high-resolution chitinozoan composite standard for the East Baltic Lower Silurian succession based on numerical analysis
    Autorzy:
    Rubel, M.
    Nestor, V.
    Harris, M.T.
    Sheehan, P.M.
    Ainsaar, L.
    Männik, P.
    Nölvak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059209.pdf
    Data publikacji:
    2006
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Palaeobaltic basin
    chitinozoan timescales
    Llandovery
    Wenlock
    Opis:
    The chitinozoan successions (zonation) in the Llandovery and Wenlock deposits, accumulated along the northern shelf edge of the Livonian Basin, an embayment of the Palaeobaltic sea, is studied and used for time-rock correlation of the area. Analysis of the ranges of 180 taxa from 44 sections (41 of them well-sections) by graphic correlation revealed largely compatible successions of taxa as well as local stratigraphic gaps in both shelf and basin sections. Alternatives to graphic methods also produced composite standards based on stratigraphic relationships (below, co-occurring, or above) of taxonomic ranges and considered as palaeontological time scales (composites) similar to zonal schemes. We constructed such a scale using the DISTR algorithm to analyse the distribution of 84 taxa and recognized 41 datum planes. This scale includes the traditional regional and global chitinozoan zones and the associated chronological standards (including regional stages). The BioGraph and DISTR algorithms were used to study diversity changes, and to illustrate patterns of originations and extinctions of the chitinozoans. Correlation plots between composite standard and particular sections reveal variations in sedimentary rock accumulation patterns, supporting the results of sequence stratigraphic analysis of the study interval.
    Źródło:
    Geological Quarterly; 2006, 50, 3; 323-332
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis and glycosyl composition of the exopolysaccharide isolated from submerged fermentation of Ganoderma lucidum CG144
    Autorzy:
    Rubel, R.
    Freire dos Santos, L.
    Stutz Dalla Santa, H.
    Porto de Souza Vandenberghe, L.
    Wojciechowski, A.L.
    de Carvalho, J.C.
    Habu, S.
    Destefanis Vitola, F.M.
    Augur, C.
    Soccol, C.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/56735.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    glycosyl composition
    exopolysaccharide
    isolation
    submerged fermentation
    Ganoderma lucidum
    heteroglycan
    herbal medicine
    Chinese medicine
    Opis:
    The evaluation of glycosyl composition is an essential step to guide future research designs applied in bioactivity. In the same way, the unexplored potential bioactivity of exopolysaccharide from Ganoderma lucidum is huge. Therefore, this study investigated the glycosyl composition of the exopolysaccharide isolated from submerged fermentation of G. lucidum to serve as guide for future studies on bioactivity. Glycosyl content and composition were evaluated by combined GC/ MS of the TMS derivatives of the monosaccharide methyl glycosides produced from the sample by acidic methanolysis. Glycosyl composition analysis showed that the dominant carbohydrate component in all samples of exopolysaccharide isolated from submerged fermentation of G. lucidum CG 144 was glucose (58.1%), mannose (26.6%) and galactose (12.5%) which can be referred to as heteroglycan. These results suggest that this Ganoderma exopolysaccharide may be a new immunomodulatory agent.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2014, 83, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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