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1

Produkcja polihydroksykwasow z osadu czynnego

100%
Klimiuk E., Pokoj T.
Biotechnologia
|
2008
|
nr 3
9-27
2

Molecular identification of polyhydroxyalkanoates-producing bacteria isolated from enriched microbial community

81%
Ciesielski S., Pokoj T., Mozejko J., Klimiuk E.
Polish Journal of Microbiology
|
2013
|
tom 62
|
nr 1
Polyhydroxyalkanoates (PHAs) are especially interesting because of their similar properties to synthetic plastics and their potential use as biodegradable polymers. Many strategies have been employed to effectively and economically produce PHAs, among them a production process based on mixed microbial populations, enriched from activated sludge could be one of the alternative technologies. Defining the bacterial species creating these anonymous populations is crucial for the improvement of cultivation strategy. Moreover, enriched bacterial populations could be a promising source for microbes, useful in many biotechnological projects. The main object of this study was to characterize the microorganisms creating the microbial consortium cultured towards PHAs production. After cultivation, bacteria were identified using the 16S rRNA gene sequencing approach. The presence of genes engaged in PHAs synthesis was detected using PCR. The performed analysis revealed that among eleven isolated bacterial strains, four possessed the ability of polyhydroxybutyrate synthesis.
3

Cadmium and zinc removal in the binary systems by immobilized activated sludge in multiple cycles of adsorption-desorption

81%
Kuczajowska-Zadrozna M., Klimiuk E., Pokoj T.
Polish Journal of Natural Sciences
|
2006
|
tom 21
843-857
4

Gromadzenie polihydroksykwasow [PHA] w osadzie czynnym w warunkach limitowanego stezenia azotu. Cz. II. Ocena zroznicowania zbiorowisk mikroorganizmow w osadzie czynnym i rodzaj kumulowanych polihydroksykwasow

81%
Klimiuk E., Ciesielski S., Pokoj T., Rogowski J.
Biotechnologia
|
2005
|
nr 4
214-226
5

Gromadzenie polihydroksykwasow [PHA] w osadzie czynnym w warunkach limitowanego stezenia azotu. Cz. I. Wplyw parametrow technologicznych na gromadzenie kwasu poli-3-hydroksymaslowego [P3[HB]]

81%
Pokoj T., Klimiuk E., Kuczajowska-Zadrozna M.
Biotechnologia
|
2005
|
nr 4
197-213
6

Adsorption of cadmium [Cd] and zinc [Zn] onto alginate biosorbents in single and binary component systems

81%
Klimiuk E., Kuczajowska-Zadrozna M., Pokoj T., Grabowski S.
Polish Journal of Natural Sciences
|
2006
|
tom 21
817-831
7

Changes in microbial community structure during adaptation towards polyhydroxyalkanoates production

71%
Ciesielski S., Klimiuk E., Mozejko J., Nowakowska E., Pokoj T.
Polish Journal of Microbiology
|
2009
|
tom 58
|
nr 2
131-139
Polyhydroxyalkanoates (PHAs) are interesting as material for bioplastic production because they are recognized as biodegradable and could be produced from renewable resources. The industrial production of PHAs has already been used in practice by pure cultures. In recent years, many studies have been addressed of PHA production by mixed cultures. Nevertheless, while fermentation strategy to improve the PHA content of biomass, yield and productivity in pure cultures are well defined, knowledge about the operational condition for PHA synthesis by mixed culture is still very limited. The ecology of the microbial community of activated sludge remains largely unknown, primarily because of the difficulty of making detailed observation. Recently, developed molecular techniques allow determination of community composition from DNA extracted directly from biomass samples. This study examined the changes of bacterial communities in activated sludge through application of the molecular technique, ribosomal intergenic spacer analysis (RISA). Microbial communities from anaerobic-aerobic and ammonia limited fermentations were ascertained. The applied operational conditions were shown to select for a restricted microbial population, which were different in term of structure with respect to the initial microbial consortia in the activated sludge used as inoculum.
8
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Effects of replacing mineral fertilizers with sewage sludge and biogas digestate on ethanol production of Miscanthus sacchariflorus

61%
Dubis B., Pokoj T., Lewandowska M., Bogucka B., Zajkowska A., Szatkowski A.
Journal of Elementology
|
2023
|
tom 28
|
nr 4
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