Browsing Artykuły naukowe by Issue Date
Now showing items 1-20 of 146
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Amphipod crustaceans in the diet of pygoscelid penguins of the King George Island, South Shetland Islands, Antarctica
(Państwowe Wydawnictwo Naukowe, 1981)Information is presented concerning amphipod crustaceans eaten by three penguin species breeding on King George Island: Pygoscelis adeliae, P. antarctica and P. papua. In their stomachs 10 gammaridean and 3 hyperiidean ... -
Phytogenic food of Euphausia superba Dana caught in the southern Drake Passage and the Bransfield Strait, February—March 1981 (BIOMASS-FIBEX)
(Państwowe Wydawnictwo Naukowe, 1982)The phytogenic food composition in the stomachs of Euphausia superba Dana, caught at 18 sampling stations in the Antarctic part of the Atlantic Ocean, was analysed. The material used was taken from krill catches made ... -
Phytoplankton of the Olaf Prydz Bay (Indian Ocean, East Antarctica) in February 1969
(Państwowe Wydawnictwo Naukowe, 1983)Qualitative and quantitative composition of phytoplankton of the Olaf Prydz Bay (Indian Ocean, East Antarctica) was determined on the basis of 49 samples collected at 34 sampling stations during the period from the 15th ... -
Necrophagous invertebrates of the Admiralty Bay of King George Island (South Shetland Islands, Antarctica)
(Państwowe Wydawnictwo Naukowe, 1986)In 1977 and 1980 rich materials of necrophagous invertebrates were collected in the Admiralty Bay of King George Island. The collecting was carried out in 9 stations differing with respect to their habitat conditions. ... -
Net phytoplankton of the Admiralty Bay (King George Island, South Shetland Islands) in 1983
(Państwowe Wydawnictwo Naukowe, 1986)Phytoplankton sampling from 13 stations situated in Admiralty Bay was carried out in March. April, May, October and November 1983. Wet settling volume of seston, its dry weight, number of cells under 1 m², and qualitative ... -
Benthic assemblages of Polychaeta in chosen regions of the Admiralty Bay (King George Island, South Shetland Islands)
(Państwowe Wydawnictwo Naukowe, 1986)By means of the synthetic diagram method (Romaniszyn 1970) populations of benthic Polychaeta at the depth ranging from 15 to 250 m of the Admiralty Bay (South Shetland Islands) were analysed. During the summer season of ... -
Application of the dendrite analysis in the discussion on the biogeography of the Antarctic
(Państwowe Wydawnictwo Naukowe, 1986)The method of construction and division of dendrites proposed by Florek et al. (1951) was used for defining of the Antarctic biojjeographic areas. The affinity matrices of Knox and Lowry (1977) resulting from the analysis ... -
Immunochemical studies on R mutants of Yersinia enterocolitica O:3
(Polskie Towarzystwo Biochemiczne ; Komitet Biochemii i Biofizyki PAN, 1998)Three mutants of Yersinia enterocolitica O:3, namely: YeO3-R1, YeO3-RfbR7 and YeO3-c-trs8-R were classified on the basis of sodium dodecyl sulphate/polyacrylamide gel electrophoresis (SDS/PAGE) profile of isolated ... -
Mikrobiologiczny rozkład pentachlorofenolu
(Instytut Chemii Bioorganicznej PANKomitet Biotechnologii PAN, 2007)Pentachlorophenol (PCP) is a toxic xenobiotic of great environmental concern. It has been widely used for many years as a bactericide, fungicide, defoliant, herbicide and wood preservative. In this article, PCP properties, ... -
Preparation of ethoxyquin salts and their genotoxic and antioxidant effects on human lymphocytes
(University of Florida, Department of Chemistry, 2007)Ethoxyquin phosphate (EQ-P) and ethoxyquin hydrochloride (EQ-HCl) were synthesized and studied for genotoxic and antioxidant activities with the use of comet assay and micronucleus test performed on human lymphocytes. ... -
Pentachlorophenol and spent engine oil degradation by Mucor ramosissimus
(2008-08-14)Pentachlorophenol (PCP) has been widely used for many years and belongs to the most toxic pollutants. Spent engine oils enter environment every day in many ways. Both of them cause great environmental concern. In the ... -
Działania interwencyjne związane z ochroną pustułki falco tinnunculus w Łodzi
(Leśny Zakład Doświadczalny SGGW, 2009)W pracy opisano kilka przykładów działań interwencyjnych dotyczących podlotów pustułki Falco tinnunculus, które wypadły z gniazd na terenie Łodzi. Na szczególną uwagę zasługuje pomyślne przeniesienie całego lęgu w inne ... -
The Level of Isoprostanes as a Non-invasive Marker for in vivo Lipid Peroxidation in Secondary Progressive Multiple Sclerosis
(Springer US, 2011-03-12)Oxidative stress leads to lipid peroxidation and may contribute to the pathogenesis of lesions in multiple sclerosis (MS), an autoimmune disease characterized by inflammatory as well as degenerative phenomena. ... -
Membrane cholesterol content plays a key role in the neurotoxicity of b-amyloid: implications for Alzheimer’s disease
(Blackwell Publishing Ltd/Anatomical Society of Great Britain and Ireland, 2011-04-11)Beta amyloid (βA) plays a central role in the pathogenesis of the most common and devastating neurodegenerative disorder, Alzheimer's disease (AD). The mechanisms of βA neurotoxicity remain controversial, but include ... -
Metallothionein 2A genetic polymorphisms and risk of ductal breast cancer
(Springer Milan, 2012)Metallothioneins (MTs) are a family of metal binding proteins that play an important role in cellular processes such as proliferation and apoptosis. Metallothionein 2A is the most expressed MT isoform in the breast cells. ... -
The effect of pre-incubation of Allium cepa L. roots in the ATH-rich extract on Pb uptake and localization
(Springer Vienna, 2012)The positive influence of anthocyanin (ATH) on toxic metal-treated plant material is well documented; however, it is still not explained if it is caused by changes in element absorption and distribution. Therefore, detailed ... -
Relationship of urinary isoprostanes to prostate cancer occurence
(Springer US, 2013)To estimate the oxidative stress in patients with prostate cancer and in a control group, we used the biomarker of lipid peroxidation–isoprostanes (8-isoPGF2) and the level of selected antioxidants (glucose and uric acid ... -
Topoisomerase IIβ Binding Protein 1 c.*229C>T (rs115160714) Gene Polymorphism and Endometrial Cancer Risk
(Springer Netherlands, 2013)TopBP1 (topoisomerase IIβ binding protein 1) protein is involved in DNA replication, DNA damage checkpoint response and transcriptional regulation. In this study we investigated whether alterations in the TopBP1 gene can ... -
Phosphorus Dendrimers as Carriers of siRNA—Characterisation of Dendriplexes
(MDPI, 2013)There are many types of dendrimers used as nanomolecules for gene delivery but there is still an ongoing search for ones that are able to effectively deliver drugs to cells. The possibility of gene silencing using siRNA ... -
Avian Feathers as Bioindicators of the Exposure to Heavy Metal Contamination of Food
(Springer Nature, 2013)The aim of this study was to determine the possibility of using feathers of blue tit nestlings to assess the level of endogenous accumulation of lead. For this purpose we conducted an experiment with lead application to ...