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1

Studies on degradation of polychlorinated biphenyls by means of Fenton's reagent

100%
Przado D., Kafarski P., Steininger M.
Polish Journal of Environmental Studies
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2007
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tom 16
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nr 6
881-887
Fenton's reagent was applied for degradation of selected congeners of PCBs (PCB28, PCB52, PCB101, PCB138) present in aqueous solution at ppb concentrations. The effectiveness of degradation by this chemi­cal process was determined and the toxicity of degradation products was evaluated. The experiments lasted 96 hours under stable pH during the whole process. In 24 h intervals the samples were extracted and analyzed by GC, GC/MS and IC. At the same time the Microtox® test was applied to assess the toxicity of the resulting solution. It has been observed that the concentration of two congeners, namely PCB28 and PCB52, decreased rapidly within the first 24 h of the experiment, whereas the two remaining ones (PCB101, PCB138) were degraded poorly. After 96 hours of the process, apart from other oxygenated products, acetate and fumarate also were determined. Concentration of Cl- ions was only slightly increased, indicating that the substrates were not mineralized.
2

Analiza parametrow fermentacji tresci przewodu pokarmowego indykow w badaniach in vitro

100%
Mista D., Kaczmarek A., Zawadzki W., Steininger M.
Acta Scientiarum Polonorum. Medicina Veterinaria
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2002
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tom 01
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nr 1
67-80
3

Pollination ecology of Epipactis helleborine (L.) Crantz (Orchidaceae, Neottieae) in the south-western Poland

100%
Jakubska A., Kadej M., Przado D., Steininger M.
Acta Botanica Silesiaca
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2005
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tom 02
Pollination ecology of eight populations of Epipactis helleborine (L.) Crantz (Orchidaceae, Neottieae) occurring in Lower Silesia in the south-western Poland has been studied. Plants were examined in respect to composition of their nectar and its influence on attracting insects under field conditions. Chemical composition of Epipactis helleborine nectar was studied by means of GC/MS SIM. Pollinators and visitors were recorded in natural populations.
4

How do orchids lure pollinators? Nectar chemical composition of Epipactis helleborine s.l. [Orchidaceae, Neottieae] and its influence on insects reactions in field conditions

100%
Jakubska A., Kadej M., Przado D., Steininger M.
Pestycydy
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2005
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nr 4
175-180
5

Proby biooczyszczania gruntow z substancji ropopochodnych

100%
Farbiszewska T., Farbiszewska-Bajer J., Steininger M..
Biotechnologia
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1994
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nr 2
60-66
6

Wplyw wlosnicy doswiadczalnej na stezenie lotnych kwasow tluszczowych w jelitach myszy

76%
Mista D., Piekarska J., Kaczmarek-Oliwa A., Zawadzki W., Steininger M., Kroliczewska B.
Medycyna Weterynaryjna
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2005
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tom 61
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nr 11
1280-1283
7
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The effect of Linola and W92/72 transgenic flax seeds on the rabbit caecal fermentation - in vitro study

64%
Mista D., Kroliczewska B., Zawadzki W., Pecka E., Steininger M., Hull S., Zuk M., Szopa J.
Polish Journal of Veterinary Sciences
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2011
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tom 14
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nr 4
The effect of W92/72 transgenic flax seeds taken from a variety of Linola on the production of SCFA, ammonia and methane by bacteria inhabiting rabbit caecum was studied. The in vitro method was used where caecal contents from rabbits was incubated with W92/72 transgenic or Linola flax seeds, or without any additives (control samples).The total concentration of SCFA was higher in samples with the addition of flax seeds than in the control samples. The increase in concentrations of acetic, propionic and butyric acids was the highest in samples with Linola seeds added. A higher percentage of propionic and butyric acids was observed in the contents incubated with addition of flax seeds as compared to the control samples. This increase was the result of a percentage decrease in acetic acid. No differences were observed in the concentration of ammonia between fermented samples. Moreover, the addition of flax seeds resulted in slight decrease of pH in incubated samples. In gas samples, the methane level was higher in samples with flax seeds added, although the highest level was found in samples with transgenic seeds.In addition, gas pressure was significantly higher in samples with flax seeds added as compared to control samples, and this may indicate a higher intensity of microbiological fermentation processes. These studies suggest that neither Linola nor W92/72 flax seeds have any unfavorable effect on the caecal microflora activity of rabbits. A beneficial influence of flax seeds on the microbiological fermentation process in rabbit caecum was observed, based on an increase in percentage ratio of propionic acid in samples with flax seeds added.
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