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Tytuł:
Translokacja konfliktów – zjawisko przenoszenia konfliktów etnicznych z kraju pochodzenia do rzeczywistości diasporalnej i imigranckiej
Translocation of conflicts – the phenomenon of transfer of ethnic conflicts from the country of origin to the diasporic and immigrant reality
Autorzy:
Nieczuja-Ostrowski, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/521435.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Wrocławski. Wydział Nauk Społecznych. Instytut Studiów Międzynarodowych
Tematy:
Translocation
ethnic conflicts
emigration
communication
Opis:
The study aims to identify the phenomenon of the translocation of ethnic conflicts from the home countries to emigration reality, on the example of Armenian, Kurdish and Turkish communities. It is indicated that the scientific literature often focuses on the issues of the impact of diasporas to home countries, but no so often on the inter-community relations in emigration. The form of these relations are con{ icts that through arising in space of emigration enter into social and political reality of the country of residence, directly affect its society, its attitudes, aspirations, behaviors, domestic and international policies. It is observed that these conflicts can take various forms, even extreme, which is terrorism. The evolution of these conflicts depends on a number of factors, among others, the level of communication with the home country, evolution of the conflict in their home countries, institutionalization of life in emigration.
Źródło:
Wschodnioznawstwo; 2016, 10; 27-39
2082-7695
Pojawia się w:
Wschodnioznawstwo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concentration of heavy metals in the soil and translocation with phytoremediation potential by plant species in military shooting range
Autorzy:
Magaji, Y.
Ajibade, G. A.
Yilwa, V. M. Y.
Appah, J.
Haroun, A. A.
Alhaji, I.
Namadi, M. M.
Sodimu, A. I.
Powiązania:
https://bibliotekanauki.pl/articles/1157708.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Heavy metals
Physicochemical parameters
Phytoremediation
Translocation
Opis:
Concentration of seven (7) metals (Pb, Cu, Zn, Mu, Ni, Cr, and Cd) in the samples of soil and some plant species collected from Kachia military shooting range were determined. The mineral ions were assayed using the acid digestion method and atomic absorption spectrophotometry (AAS). Physicochemical parameters (pH, EC, Bulk density, water holding capacity and Total Nitrogen) of the soil samples were also determined. Of the 7 metals determined in the soils samples, the concentration of Pb (14.85 ± 6.78 mg/kg-1) was the highest compared to the concentrations of other metals. Physicochemical parameters were within the range that allows effective phytoremediation. Cu showed the lowest concentration (0.55 ± 1.68 mg/kg-1). Ni was below the detectable limit in most of the samples. Similarly, concentrations of Pb (12.30 mg/kg-1) in the shoot of Albizia zygia among other metals were higher than those of the other metals in the plant tissues. Concentration of Cd (0.07 mg/kg-1) in the root of Eragotis tremula was the lowest. Generally, metal ion concentration in the soil and plant samples of the shooting range (polluted site) significantly) differed from those of the non-polluted site (P<0.05). Combretum hispidium among the plant species had the highest translocation factor (TF = 2.91). Although the TF was higher in the plant of the polluted site TF >1), reasonable amount of them were retained within the underground tissues (roots).
Źródło:
World Scientific News; 2018, 92, 2; 260-271
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Mining Activity in Accumulation of Heavy Metals in Soil and Plant (Urtica dioica L)
Autorzy:
Bislimi, Kemajl
Sahiti, Hazbije
Halili, Jeton
Bici, Mentor
Mazreku, Ilir
Powiązania:
https://bibliotekanauki.pl/articles/1839574.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
heavy metals
soil
translocation factor
bioaccumulation
Opis:
Contamination of soil and water by various heavy metals such as Cd, Pb, Ni, Cu, and Fe is increasing day by day as a result of different activities, such as industrialization and urbanization. Lead (Pb), Cadmium (Cd), and Nickel (Ni) are examples of potential heavy metals that are neither essential elements nor have any role in the process of cell metabolism, but are easily absorbed and accumulated in different parts of a plant and living beings. This study was to investigate the translocation and bioaccumulation of heavy metals such as Pb, Ni, Cd, Cu, and Fe in Urtica dionica L and soil samples from 2 sites (uncontaminated – Koliq and contaminated – Kishnica in the Republic of Kosovo). The results revealed that in the contaminated site, the mean level of all the metals in soil and different parts (root, stalk, and leaf) of the plant were found to be significantly (p < 0.01) higher than the uncontaminated site. Multivariate analysis was used to determine the distribution of metals within the study area. The trace metal contents from different parts of these plants were determined by the use of AAS. The results revealed that Urtica dionica L. translocated high amounts of metals to its organs, especially to leaves, so that translocation factors were much higher than one (> 1). However, these concentrations of heavy metals in the soil and Urtica dionica L were higher than levels specified according to the standards in UK and Germany.
Źródło:
Journal of Ecological Engineering; 2021, 22, 1; 1-7
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tetraploid triticale as a potential source of new variation for rye
Autorzy:
Łapiński, Bogusław
Rafalski, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2198908.pdf
Data publikacji:
2004-06-20
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
chromosome translocation
introgression
rye
tetraploid triticale
Opis:
High crossability of tetraploid triticale (X Triticosecale Wittmack) with rye (Secale cereale L.) and relatively high fertility of the resulting hybrids make the triticale an attractive bridge species for introduction of wheat genes into rye breeding populations. It was found, with the use of in situ hybridization technique, that some 4x triticale materials bred in Radzików contain small wheat translocations, of both distal and intercalary type, into the rye 5R chromosome. The distal wheat translocation occupying less than 5% of the long arm was transferred into diploid rye, but a disomic line has not been established yet. Other wheat translocations of the chromosomes 1R and 5R were found in hybrids of 4x rye with 4x triticale. Besides the intergenomic crossing-over, at least one another mechanism of DNA rearrangements operated. Small intercalary two-dot signals of the wheat fluorescent probe were also found in one line on a rye chromosome different than 5R. Most puzzling was the „invisible” migration of wheat DNA to rye chromosomes, detectable on southern dot-blots, but not on the in situ slides. The wheat probe dot-blot signals were recorded for more than 1/3 of rye plants from the first back-cross of the 4x triticale × 2x rye hybrids to rye.
Źródło:
Plant Breeding and Seed Science; 2003, 48; 25-35
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structure, function, and regulation of myosin 1C.
Autorzy:
Barylko, Barbara
Jung, Gwanghyun
Albanesi, Joseph
Powiązania:
https://bibliotekanauki.pl/articles/1041416.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
myosin 1
membrane protein translocation
domain structure
Opis:
Myosin 1C, the first mammalian single-headed myosin to be purified, cloned, and sequenced, has been implicated in the translocation of plasma membrane channels and transporters. Like other forms of myosin I (of which eight exist in humans) myosin 1C consists of motor, neck, and tail domains. The neck domain binds calmodulins more tightly in the absence than in the presence of Ca^(2+). Release of calmodulins exposes binding sites for anionic lipids, particularly phosphoinositides. The tail domain, which has an isoelectic point of 10.5, interacts with anionic lipid headgroups. When both neck and tail lipid binding sites are engaged, the myosin associates essentially irreversibly with membranes. Despite this tight membrane binding, it is widely believed that myosin 1C docking proteins are necessary for targeting the enzyme to specific subcellular location. The search for these putative myosin 1C receptors is an active area of research.
Źródło:
Acta Biochimica Polonica; 2005, 52, 2; 373-380
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of supplemental lighting during the period of rapid fruit development on the growth, yield, and energy use efficiency in strawberry plant production
Autorzy:
Yoneda, A.
Yasutake, D.
Hidaka, K.
Muztahidin, N.I.
Miyoshi, Y.
Kitano, M.
Okayasu, T.
Powiązania:
https://bibliotekanauki.pl/articles/2082873.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
energy-saving
environmental control
greenhouse
LED
translocation
Opis:
Supplemental lighting techniques in greenhouses can increase plant growth and yield but require substantial amounts of energy. We proposed the use of energy-saving supplemental lighting, which was applied during rapid fruit development when the transport of photosynthetic products into the fruit was active. We measured the physiological responses (photosynthesis, growth, yield) of the strawberry plants with single fruit truss, wherein the following 3 treatments were made: plants were cultivated with no supplemental lighting (control), supplemental lighting throughout the experimental period (normal-light), and supplemental lighting during rapid fruit development (short-light). The period of rapid fruit development corresponded to 33% of the experimental period, and the cumulative light intensity for the short-light treatment was half of that for the normal-light treatment, and twice that of the control treatment. Consequently, the leaf area and dry weight of the plant body were significantly increased following normal-light and short-light treatments compared with the control treatment. The yield for the short-light treatment was also increased and nearly equal to that of the normal-light treatment but no significance to the control treatment. However, the energy use efficiency of the short-light was improved 1.5-fold compared to the normal-light treatment. Thus, shortening the period of supplemental lighting in accordance with the characteristics of fruit development is potentially effective.
Źródło:
International Agrophysics; 2020, 34, 2; 233-239
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution of position of segment initiating the chain-like structure translocation through the membrane opening
Autorzy:
Bartłomiejczyk, K.
Powiązania:
https://bibliotekanauki.pl/articles/122892.pdf
Data publikacji:
2013
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
chain-like structures
translocation across membrane
polymers
Opis:
This article discusses the transport of chain-like structures across a pore in membrane. Such a translocation process is initiated by the first monomer captured by molecules forming the pore. This study focuses on the distribution of the position of this particular polymer’s segment. The polymer attachment process is simulated using the sequential algorithm and the influence of various physical and chemical parameters is analyzed. Selected results are presented by means of different histograms.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2013, 12, 1; 5-10
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Treatment of Heavy Metals From Water by Electro-Phytoremediation Technique
Autorzy:
Harikumar, P. S. P
Megha, T.
Powiązania:
https://bibliotekanauki.pl/articles/124037.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
phytoremediation
Eichhornia crassipes
bioconcentration factor
translocation abilit
Opis:
The performance of electrically stimulated phytoremediation in the removal of lead, cadmium and copper was assessed in this study. A combination of phyto and electro remediation was attempted in this study for the remediation of the metals from water. Three tanks were setup with different operating conditions for this experiment: control A (only phytoremediation system), control B (only electro remediation) and treatment (combination of phyto and electro remediation). The electrically enhanced phytoremediation system and electro remediation system were operated 2h/day at voltages of 4V for 25 days continuously. In this experiment, the Eichhornia crassipes, an able phytoremediator exhibited efficient and fast removal of heavy metals from synthetic solution in electro assisted phytoremediation system. The electrically enhanced phytoremediation using aluminum sheet electrodes showed better and effective removal of Cd, Pb and Cu than aluminum rod electrodes. A more favorable and moderate increase of pH was noticed in electrically stimulated phytoremediation system. Eichhornia crassipes has tremendous potential to reduce maximum amount of cadmium (within 15 days), lead (within 15 days) and copper (within 10 days) under electrically stimulated condition. Under electrified condition, maximum amount of Cd and Cu was accumulated in the aerial parts of Eichhornia crassipes but maximum concentration of Pb was attained by roots. This indicates the high heavy metal accumulation capacity of Eichhornia crassipes under electrified conditions. The results showed that 4V voltage is probably suitable to stimulate the Eichhornia crassipes to synthesize more chlorophyll and voltage can improve growth and ability to resist adverse circumstances by promoting chlorophyll synthesis. Eichhornia crassipes stimulated by an electric field has grown better and assimilated more metal. Bioconcentration factor (BCF) an index of hyperaccumulation, indicates that electrically stimulated Eichhornia crassipes is a good hyper accumulator of Cd (BCF = 1118.18) and Cu (BCF = 1152.47) and a moderate accumulator of Pb (BCF = 932.26). Translocation ability (TA) ratio indicates that Eichhornia crassipes have the ability to translocate more amounts of Pb, Cd and Cu to its upper portion under electrified condition. The results imply that the electro-phytoremediation technique seems to be promising in the treatment of wastewater contaminated with heavy metals.
Źródło:
Journal of Ecological Engineering; 2017, 18, 5; 18-26
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the mode of integration of the thylakoid membrane protein cytochrome b6 into cytoplasmic membrane of Escherichia coli
Autorzy:
Króliczewski, Jaroslaw
Gubernator, Beata
Rögner, Matthias
Szczepaniak, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1039882.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
membrane protein
signal sequence
integration/translocation
cytochrome b6
Opis:
In the stroma compartment, several pathways are used for integration/translocation of chloroplast proteins into or across the thylakoid membrane. In this study we investigated the mode of incorporation of the chloroplast-encoded cytochrome b6 into the bacterial membrane. Cytochrome b6 naturally comprises of four transmembrane helices (A,B,C,D) and contains two b-type hemes. In the present study, mature cytochrome b6 or constructed deletion mutants of cytochrome were expressed in E. coli cells. The membrane insertion of cytochrome b6 in this bacterial model system requires an artificially added presequence that directs the protein to use an E. coli membrane-insertion pathway. This could be accomplished by fusion to maltose-binding protein (MBP) or to the bacterial Sec-dependent signal peptide (SSpelB). The integration of mature cytochrome b6 into the bacterial cytoplasmic membrane by the Sec pathway has been reported previously by our group (Kroliczewski et al., 2005, Biochemistry, 44: 7570). The results presented here show that cytochrome b6 devoid of the first helix A can be inserted into the membrane, as can the entire ABCD. On the other hand, the construct devoid of helices A and B is translocated through the membrane into the periplasm without any effective insertion. This suggests the importance of the membrane-anchoring sequences that are likely to be present in only the A and B part, and it is consistent with the results of computational prediction which did not identify any membrane-anchoring sequences for the C or D helices. We also show that the incorporation of hemes into the truncated form of cytochrome b6 is possible, as long as the B and D helices bearing axial ligands to heme are present.
Źródło:
Acta Biochimica Polonica; 2011, 58, 3; 335-343
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Accumulation of Chemical Elements by Organs of Sparganium Erectum L. and Their Potential Use in Phytoremediation Process
Autorzy:
Parzych, A. E.
Powiązania:
https://bibliotekanauki.pl/articles/123410.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
macroelements
heavy metals
aquatic plant
bioaccumulation factor
translocation factor
Opis:
The study of bottom sediments and organs of Sparganium erectum carried out in the summer of 2014 in the city of Lębork, located in Northern Poland. The aim of this study was to evaluate the content of macroelements and heavy metals in the leaves, rhizomes and roots S. erectum and in bottom sediments of the Łeba River as well as comparison of accumulation and translocation factors of N, P, K, Mg, Ca, Zn, Ni, Cu, Mn, Fe, Cd and Cr in researched organs of aquatic plant. The use of S. erectum for biomonitoring and phytoremediation has also been considered. The results of Mann Whitney U test showed a number of statistically significant differences in the content of chemical elements in the leaves, rhizomes, roots and in bottom sediments. The macroelements are mainly accumulated in leaves and heavy metals are accumulated in roots and rhizomes of S. erectum. Increased Mn and Fe content in roots and rhizomes of S. erectum, in relation this physiological needs, refers to the beneficial effects of this species in the water treatment and sludge from the bottom sediment of manganese and iron compounds. The obtained bioconcentration and translocation factors values allowed to state that S. erectum can be used for phytoremediation of contaminated bottom sediments because retains metals in their roots and limit Mn and Fe mobility from roots and rhizomes to leaves once absorbed by roots of plant.
Źródło:
Journal of Ecological Engineering; 2016, 17, 1; 89-100
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bioavailability of barium to Trifolium pratense L. in soils contaminated with drill cuttings
Autorzy:
Kujawska, J.
Pawłowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/2082640.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
barium
barite
drilling waste
bioavailability
transfer factor
translocation index
Opis:
Barium sulphate is the basic component of drilling fluids. Due to the widespread use of drilling processes there is a fear that barium will appear in the environment and that it may become available to plants in different conditions. In this study the bioavailability of barium in soil with the addition of drill cuttings was examined using red clover (Trifolium pratense L.) in a pot experiment. The barium concentration in the examined soils, determined by an inductively coupled plasma mass spectrometry method, was in the range 56-15 800 mg kg-1, depending on the dose of the drill cuttings (2.5-15% of dry weight) added to the mineral soil (control sample). The addition of drilling waste to the soil (pH 4.1, total exchangeable bases 2.1) significantly changed the physicochemical properties of the soil, increasing the pH (up to 7.1) and the concentration of alkaline cations (total exchangeable bases up to 51.2 cmol kg-1). The biomass production in the soil containing drill cuttings was higher compared to the control sample, but the maximum biomass level was found in soil with a 5% dose of the waste. Plant shoot biomass production and the concentration of barium in shoots and roots were closely related to the concentration of barium in the soil. Higher concentrations of barium were found in the roots. Red clover showed a marginal accumulation of barium (transfer factor 0.02-0.08).
Źródło:
International Agrophysics; 2019, 33, 4; 417-426
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A familial X-Y translocation: cytogenetic and molecular study
Autorzy:
Kusz, K
Wojda, A.
Wisniewska, M.
Latos-Bielenska, A.
Jaruzelska, J.
Powiązania:
https://bibliotekanauki.pl/articles/2041975.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
chromosome
human genetics
hirsutism
molecular analysis
X-Y translocation
Źródło:
Journal of Applied Genetics; 2001, 42, 2; 237-240
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Decrease in pig fertility as a result of reciprocal translocations and associated economic effects on the basis of rcp [7;13][q13;q46]
Autorzy:
Danielak-Czech, B
Kozubska-Sobocinska, A
Slota, E
Rejduch, B
Okularczyk, S
Powiązania:
https://bibliotekanauki.pl/articles/2047231.pdf
Data publikacji:
1996
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
pig
fertility
simulation account
reciprocal translocation
litter size
karyotype
Opis:
Reciprocal translocations, very frequently identified in pigs, are the cause of fertitlity decrease. The aim of this work was to provide an objective assessment of the real effect of reciprocal translocation (7;13) on the fertility of carriers and associated economic effects. The experiment has shown that fertility, expressed as a mean litter size, decreased by 48% in comparison to that of the control group. On the basis of simulation account, financial losses incurred a translocation - as a result of using carrying boar in a commercial herd were estimated at about 8,000 USD for natural mating and at about 162,000 USD for artificial insemination. The results obtained show the need for introducing a system for cytogenetic control of boars producing small litters into the Polish swine improvement programme.
Źródło:
Journal of Applied Genetics; 1996, 37, 4; 373-384
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Certain protein transducing agents convert translocated proteins into cell killers
Autorzy:
Tcherniuk, Siergiej
Fiser, Anne-Laure
Derouazi, Madiha
Toussaint, Bertrand
Wang, Yan
Wojtal, Izabela
Kondo, Eisaku
Szolajska, Ewa
Chroboczek, Jadwiga
Powiązania:
https://bibliotekanauki.pl/articles/1039725.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
cytotoxic protein
cell transduction
protein delivery
cell translocation
transducing peptides
Opis:
The majority of proteins are unable to translocate into the cell interior. Hence for peptide- and protein-based therapeutics a direct intracytoplasmic delivery with the aid of transducing agents is an attractive approach. We wanted to deliver to the cell interior a putatively cytotoxic protein VPg. Protein transduction was achieved in vitro with three different commercial products. However, in our hands, delivery of various control proteins without known deleterious effects, as well as of protein VPg, always induced cell death. Finally, we used a novel transducing peptide Wr-T, which was not toxic to cultured cells, even in a quite large range of concentrations. Most importantly, control protein delivered to cells in culture did not display any toxicity while VPg protein exerted a strong cytotoxic effect. These data show that results obtained with cell-penetrating agents should be interpreted with caution.
Źródło:
Acta Biochimica Polonica; 2012, 59, 3; 433-439
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chromosome abnormalities in domestic sheep [Ovis aries]
Autorzy:
Long, S E
Powiązania:
https://bibliotekanauki.pl/articles/2046598.pdf
Data publikacji:
1997
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Ovis aries
translocation
chromosome abnormality
domestic sheep
sheep
karyotype
infertility
Opis:
The clinical effects of twenty different chromosome anomalies in sheep are reviewed. It is concluded that not all anomalies give rise to reproductive problems or phenotypic variations. In particular, the centric fusion translocations appear not to have affected fertility and they have been helpful in determining the karyotype of the sheep.
Źródło:
Journal of Applied Genetics; 1997, 38, 1; 65-76
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Low temperature reverses the resistance to glyphosate in hairy fleabane (Conyza bonariensis)
Autorzy:
Dalazen, G.
Pisoni, A.
Menegaz, C.
Merotto Jr, A.
Powiązania:
https://bibliotekanauki.pl/articles/2084871.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ammonium sulfate
EPSPS
non-target-site-resistance
vacuolar sequestration
translocation
Opis:
Environmental factors and the addition of adjuvants to the spray tank mix may interfere with glyphosate efficiency in hairy fleabane control. The objective of this study was to evaluate the effect of air temperature and the addition of ammonium sulfate (NH4)2SO4 to glyphosate in the control of glyphosate-resistant (GR) and -susceptible (GS) hairy fleabane. Treatments consisted of air temperatures of 12°C and 25°C, six doses of glyphosate from zero to 2,880 g · ha−1, the presence or absence of (NH4)2SO4 in the spray solution, and one GS and another GR biotype. At the lowest tested dose (180 g · ha−1), control of the GR biotype was 91% and 20% when the plants were kept at 12°C and 25°C, respectively, reducing the resistance factor (RF) by 9.30 times and was associated to the reduction of temperature. The addition of (NH4)2SO4 increased the control by 10−20% at high glyphosate doses and at 25°C. The resistance of hairy fleabane to glyphosate was completely reversed when the plants were maintained at 12°C. At this temperature, resistant plants were controlled even at doses well below that recommended for the control of this species. At 25°C, a dose four times higher than that recommended was required for satisfactory control. At the field level, under situations of low temperatures, it was possible to improve the efficacy of glyphosate applications in hairy fleabane control, if there were no other mechanisms of resistance involved.
Źródło:
Journal of Plant Protection Research; 2019, 59, 4; 433-440
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Accumulation and translocation heavy metals in hyperaccumulating plants (Brassica juncea v. Malopolska) exposed to Pb, Cu, Cd and Zn
Autorzy:
Malecka, A.
Piechalak, A.
Kutrowska, A.
Hanc, A.
Baralkiewicz, D.
Tomaszewska, B.
Powiązania:
https://bibliotekanauki.pl/articles/80141.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
heavy metal
translocation
accumulation
hyperaccumulation
Brassica juncea
phytoremediation
phytotoxic damage
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sieci grzybowe - struktura, funkcje i wykorzystanie przez człowieka
Fungal networks - structure, function and use by humans
Autorzy:
Dominiak, Martyna
Lembicz, Marlena
Powiązania:
https://bibliotekanauki.pl/articles/1033858.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Przyrodników im. Kopernika
Tematy:
fungal network
long-distance translocation
mycorrhiza
sieci grzybowe
translokacja długodystansowa
mikoryza
Opis:
Grzyby to organizmy występujące we wszystkich strefach klimatycznych, zasiedlające głównie lądy. Dzięki dopasowującym się do warunków środowiska mechanizmom wzrostu, tworzą podziemne sieci, zajmujące znaczną powierzchnię. W obrębie sieci rosnącej w heterogenicznym środowisku zachodzi transport związków odżywczych przez translokację długodystansową. Translokacja ma kluczowe znaczenie dla przetrwania grzybni, ponieważ strzępki rosnące w rejonie ubogim w pokarm są wspierane przez znajdujące się w części zasobniejszej. Grzyby mogą wchodzić w interakcje z innymi organizmami. Wykorzystując czynniki Myc aktywują zespoły genów roślinnych, co umożliwia rozwój grzybni, kolonizację korzeni rośliny, a w efekcie prowadzi do zawiązania mikoryzy. Sieci mikoryzowe wykorzystywane są przez rośliny do komunikacji i ostrzegania się przed niebezpieczeństwem. Natomiast ludzie wykorzystują właściwości sieci grzybowych m.in. do planowania przebiegu sieci komunikacyjnych, mykoremediacji czy produkcji opakowań biodegradowalnych. Przyjmując, że na świecie występuje ok 1,5 miliona gatunków grzybów, z czego znanych jest jedynie ok. 10%, możemy przypuszczać, jak wiele ich niezwykłych właściwości pozostaje do odkrycia.
Fungi are mostly terrestrial organisms occurring in all climatic zones. Thanks to the growth mechanisms that are adaptable to environmental conditions, they form underground networks covering large areas. Within a network that grows in heterogenic environment, nutrients are allocated through a long-distance translocation. Translocation is of a key importance for mycelium survival, because hyphae growing in a nutrient-poor place are supported by hyphae from a nutrient-rich area. Fungi may also enter into interactions with other organisms. Using Myc factors, they activate plant gene complexes, which enables the development of mycelium and colonization of plant roots leading to the development of mycorrhiza. Mycorrhizal networks are used by plants to communicate and warn each other of a danger. In turn, humans use the characteristics of fungal networks, among others, to design the flow of communication systems, for myco-remediation and production of biodegradable packing materials. Assuming that about 1.5 mln of fungal species occur in the world, out of which only some 10% are known, we can only presume how many unusual properties of fungi remain still undiscovered.
Źródło:
Kosmos; 2018, 67, 2; 313-318
0023-4249
Pojawia się w:
Kosmos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of bottom sediment on content, bioaccumulation and translocation on heavy metals in maize biomass
Wplyw osadu dennego na zawartosc, bioakumulacje i translokacje metali ciezkich w biomasie kukurydzy
Autorzy:
Jasiewicz, C
Baran, A.
Tarnawski, M.
Powiązania:
https://bibliotekanauki.pl/articles/16168.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
bottom sediment
heavy metal content
bioaccumulation
translocation
heavy metal
maize
biomass
Opis:
The research aimed to assess the effect of bottom sediment on the content, bioaccumulation and translocation of heavy metals in maize biomass. The investigations were conducted in 2006-2007 as a pot experiment on light soil of the granulometric composition of weakly-loamy sand. The experimental design comprised 3 treatments: without sediment (I), a 5% sediment admixture (II) and a 10% sediment admixture to the soil (III). Bottom sediment was added to the soil in the first year of the investigations. The content of Zn, Cu, Ni. Pb, Cd and Cr was determined using the ICP-EAS method in the plant material after its dry mineralization and ash solution in HNO3. The uptake of the above-mentioned metals by maize was computed alongside their bioaccumulation and translocation coefficients. The effect of bottom sediment admixture on heavy metal concentrations in maize was determined to be varied, e.g. a 5% dose of sediment added to soil decreased the content of all the analyzed heavy metals in the biomass of maize aerial parts, whereas a 10% admixture increased the content of Cu, Ni, Pb and Cr. The values of bioaccumulation coefficients revealed that an admixture of both doses of bottom sediment led to a decreased accumulation of Zn, Cu, Cd, Cr and Ni (5% dose) in maize aerial biomass. Moreover, the plant more easily accumulated Zn, Cd and Cu than Cr, Ni or Pb. Permissible amounts of heavy metals in plants to be used as animal fodder were not exceeded in the maize biomass.
Celem badań była ocena wpływu osadu dennego na zawartość, bioakumulację i translokację metali ciężkich w biomasie kukurydzy. Badania prowadzono w latach 2006-2007, w warunkach doświadczenia wazonowego, na glebie lekkiej o składzie granulometrycznym piasku słabogliniastego. Schemat doświadczenia obejmował 3 obiekty: bez osadu (I), z dodatkiem 5% osadu (II) i dodatkiem 10% osadu do gleby (III). Osad denny dodano do gleby w pierwszym roku badań. Zawartość Zn, Cu, Ni, Pb, Cd, Cr w materiale roślinnym oznaczono po suchej mineralizacji i roztworzeniu popiołu w HNO3. Obliczono wynos ww. metali przez kukurydzę oraz ich współczynniki bioakumulacji i translokacji. Stwierdzono niejednoznaczny wpływ dodatku osadu dennego na zawartość metali ciężkich w kukurydzy. Osad dodany w ilości 5% do gleby wpłynął na zmniejszenie zawartości wszystkich analizowanych metali w nadziemnej biomasie kukurydzy, natomiast 10% dodatek osadu na zwiększenie ich zawartości (Cu, Ni, Pb, Cr). Wartości współczynników bioakumulacji świadczą, że dodatek osadu dennego w obu dawkach spowodował zmniejszenie akumulacji Zn, Cu, Cd, Cr oraz Ni (dawka 5%) w biomasie nadziemnej kukurydzy, ponadto rośliny łatwiej akumulowały Zn, Cd i Cu niż Cr, Ni i Pb. W biomasie kukurydzy nie stwierdzono przekroczenia dopuszczalnych zawartości metali ciężkich przyjętych do oceny roślin pod względem ich przydatności paszowej.
Źródło:
Journal of Elementology; 2010, 15, 2; 281-290
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
About the biophysical mechanisms of the long-distance water translocation in plants
Autorzy:
Kargol, M.
Kosztolowicz, T.
Przestalski, S.
Powiązania:
https://bibliotekanauki.pl/articles/24085.pdf
Data publikacji:
1995
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
translocation
transport mechanism
leaf tissue
assimilation
water
mineral component
root
plant
Źródło:
International Agrophysics; 1995, 09, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Ability of Mangrove Plant on Lead Phytoremediation at Wonorejo Estuary, Surabaya, Indonesia
Autorzy:
Luthansa, Uridna Marwah
Titah, Harmin Sulistiyaning
Pratikno, Herman
Powiązania:
https://bibliotekanauki.pl/articles/1838329.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
BCF
bioconcentration factor
estuary
lead
mangrove
phytoremediation
sediment
TF
translocation factor
water
Opis:
Lead (Pb) is a heavy metal often discovered to be polluting the water areas. One of the efforts made to overcome the heavy metal pollution in estuaries was phytoremediation technique using mangroves. The Wonorejo River was one of the rivers that received industrial waste loads. There were various types of mangrove plant species at the estuary of the Wonorejo River. The location of this research was divided into 3 monitoring stations (A, B, C). Station A was directly adjacent to the estuary, as location C was farther away and very close to the sea. However, station B was located between location A and B. This study aimed to determine the ability of mangrove in remediating and illustrating the distribution of Pb, at the Wonorejo River estuary. Moreover, it also aimed to determine the values of Bioconcentration (BCF) and Translocation (TF) Factors in the ability of Avicennia alba, Avicennia marina, Sonneratia caseolaris, Avicennia lanata, and Rhizophora stylosa to accumulate Pb. The samples were the roots, stems, and leaves of mangroves, with the water and sediment at the Wonorejo estuary, as all solid materials were also extracted. The samples were analyzed for heavy metal concentration, using an atomic absorption spectrophotometer (AAS). The results showed that the highest average Pb concentration for waters and sediments was obtained at station C and A, with values of 0.069 mg/L and 4.22 mg/kg, respectively. It was further observed that the Pb concentration in the water was lower than in sediment, indicating that the metal was accumulated in the sediments. On the basis of the BCF value, the most effective mangrove involved in the accumulation of Pb was A. alba. The highest values of TF for both root to stems and to leaves in the accumulation of Pb was also discovered in A. lanata and A. alba mangroves, respectively. On the basis of the Pb distribution mapping, the concentration of the metal was shown to increased, as the research location moved further away from the estuary. Conclusively, each type of mangrove had different ability to accumulate and translocate Pb in its body, with the potential of using those plants as phytoremediaton agents for the metal.
Źródło:
Journal of Ecological Engineering; 2021, 22, 6; 253-268
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Ability of Mangrove Plant on Lead Phytoremediation at Wonorejo Estuary, Surabaya, Indonesia
Autorzy:
Luthansa, Uridna Marwah
Titah, Harmin Sulistiyaning
Pratikno, Herman
Powiązania:
https://bibliotekanauki.pl/articles/1838340.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
BCF
bioconcentration factor
estuary
lead
mangrove
phytoremediation
sediment
TF
translocation factor
water
Opis:
Lead (Pb) is a heavy metal often discovered to be polluting the water areas. One of the efforts made to overcome the heavy metal pollution in estuaries was phytoremediation technique using mangroves. The Wonorejo River was one of the rivers that received industrial waste loads. There were various types of mangrove plant species at the estuary of the Wonorejo River. The location of this research was divided into 3 monitoring stations (A, B, C). Station A was directly adjacent to the estuary, as location C was farther away and very close to the sea. However, station B was located between location A and B. This study aimed to determine the ability of mangrove in remediating and illustrating the distribution of Pb, at the Wonorejo River estuary. Moreover, it also aimed to determine the values of Bioconcentration (BCF) and Translocation (TF) Factors in the ability of Avicennia alba, Avicennia marina, Sonneratia caseolaris, Avicennia lanata, and Rhizophora stylosa to accumulate Pb. The samples were the roots, stems, and leaves of mangroves, with the water and sediment at the Wonorejo estuary, as all solid materials were also extracted. The samples were analyzed for heavy metal concentration, using an atomic absorption spectrophotometer (AAS). The results showed that the highest average Pb concentration for waters and sediments was obtained at station C and A, with values of 0.069 mg/L and 4.22 mg/kg, respectively. It was further observed that the Pb concentration in the water was lower than in sediment, indicating that the metal was accumulated in the sediments. On the basis of the BCF value, the most effective mangrove involved in the accumulation of Pb was A. alba. The highest values of TF for both root to stems and to leaves in the accumulation of Pb was also discovered in A. lanata and A. alba mangroves, respectively. On the basis of the Pb distribution mapping, the concentration of the metal was shown to increased, as the research location moved further away from the estuary. Conclusively, each type of mangrove had different ability to accumulate and translocate Pb in its body, with the potential of using those plants as phytoremediaton agents for the metal.
Źródło:
Journal of Ecological Engineering; 2021, 22, 6; 253-268
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of aluminium and copper contamination level in selected crops
Ocena stopnia skażenia glinem i miedzią wybranych roślin uprawnych
Autorzy:
Szatanik-Kloc, A.
Ambrozewicz-Nita, A.
Powiązania:
https://bibliotekanauki.pl/articles/34860.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
assessment
aluminium
copper
contamination level
crop
tolerance index
bioaccumulation factor
translocation index
Opis:
Four crop species were used in the study: rye and wheat – monocots from the plant family of grasses, and lupines and clover – dicotyledonous plants from the family Fabaceae grown in hydroponics cultivation. Four weeks after the emergence the pH of the medium (pH = 4.5) was lowered and aluminium ions, at concentrations of 5, 10, 20, 40 and 100 mg dm–3 medium, were added in the form of AlCl3. In an alternative experiment, copper ions were added at concentrations of 20, 50 and 100 mg dm–3 medium as CuCl2. It turned out that the tested species (in particular rye) tolerated environmental pollution with aluminium better than with copper, despite the fact that the accumulation of aluminium in their tissues was much higher. The lowest resistance against copper and aluminium was noted for clover and wheat. Generally, the species (rye and lupine) which better tolerate the acidic medium also showed better resistance against environmental contamination with aluminium and copper. High indexes of tolerance for those plants are evidence for this thesis. Both analysed elements were mostly accumulated in the roots of plants and the translocation index for aluminium was much lower than that for copper.
W badaniach wykorzystano cztery gatunki roślin uprawnych: żyto i pszenicę – rośliny jednoliścienne z rodziny traw oraz łubin i koniczynę – rośliny dwuliścienne z rodziny bobowatych, które pochodziły z upraw hydroponicznych. Po czterech tygodniach od wschodów obniżono pH pożywki (pH = 4,5) i dodano jony glinu w stężeniach 5, 10, 20, 40, i 100 mg·dm–3 pożywki jako AlCl3, a w drugim wariancie dodano jony miedzi w stężeniach 20, 50, 100 mg·dm–3 pożywki jako CuCl2. Stwierdzono, że badane gatunki, zwłaszcza żyto, lepiej tolerowały skażenie środowiska glinem niż miedzią, pomimo znacznie wyższej akumulacji glinu w swoich tkankach. Najniższą odporność na miedź i glin odnotowano u koniczyny a następnie u pszenicy. Generalnie gatunki roślin (żyto i łubin), które z reguły lepiej tolerują kwaśny odczyn podłoża, wykazały również lepszą odporność na skażenie środowiska glinem i miedzią, o czym świadczą wysokie indeksy tolerancji dla tych roślin. Oba badane pierwiastki akumulowane były przede wszystkim w korzeniach roślin, przy czym indeks translokacji dla glinu był znacznie niższy niż dla miedzi.
Źródło:
Acta Agrophysica; 2015, 22, 4
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Steroid signal transduction activated at the cell membrane: from plants to animals.
Autorzy:
Marcinkowska, Ewa
Więdłocha, Antoni
Powiązania:
https://bibliotekanauki.pl/articles/1043743.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
signal transduction pathways
membrane receptors
nuclear receptors
transcription factors
translocation
steroid hormones
Opis:
Steroid hormones in plants and in animals are very important for physiological and developmental regulation. In animals steroid hormones are recognized by nuclear receptors, which transcriptionally regulate specific target genes following binding of the ligand. In addition, numerous rapid effects generated by steroids appear to be mediated by a mechanism not depending on the activation of nuclear receptors. Although the existence of separate membrane receptors was postulated many years ago and hundreds of reports supporting this hypothesis have been published, no animal membrane steroid receptor has been cloned to date. Meanwhile, a plant steroid receptor from Arabidopsis thaliana has been identified and cloned. It is a transmembrane protein which specifically recognizes plant steroids (brassinosteroids) at the cell surface and has a serine/threonine protein kinase activity. It seems that plants have no intracellular steroid receptors, since there are no genes homologous to the family of animal nuclear steroid receptors in the genome of A. thaliana. Since the reason of the rapid responses to steroid hormones in animal cells still remains obscure we show in this article two possible explanations of this phenomenon. Using 1,25-dihydroxyvitamin D3 as an example of animal steroid hormone, we review results of our and of other groups concordant with the hypothesis of membrane steroid receptors. We also review the results of experiments performed with ovarian hormones, that led their authors to the hypothesis explaining rapid steroid actions without distinct membrane steroid receptors. Finally, examples of polypeptide growth factor that similarly to steroids exhibit a dual mode of action, activating not only cell surface receptors, but also intracellular targets, are discussed.
Źródło:
Acta Biochimica Polonica; 2002, 49, 3; 735-745
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
KAPŁAŃSKIE TRANSLOKACJE, A ZASADA SALUS ANIMARUM SUPREMA LEX (KAN. 1752)
Translocation of priests and the norm of salus animarum suprema lex (can. 1752)
Autorzy:
JAŚKOWSKI, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/483381.pdf
Data publikacji:
2020-01-02
Wydawca:
Wyższe Seminarium Duchowne im. św. Jana Pawła II Diecezji Siedleckiej
Tematy:
translokacja
dekret
biskup
prezbiter
zbawienie dusz
translocation
decree
bishop
elder
salvation of souls
Opis:
Translocation of priests and the norm of salus animarum suprema lex (can. 1752) In the last canon of the currently effective Code of Cannon Law there is a norm, by which the salvation of souls always should be a highest priority in the Church. This law should be applied to the all of regulations of the church law, but the interesting fact is that this rule is located in the canon which is regulating question of the translocation of parish priest. It causes pressure on the realisation of this canon with the highest level of the accuracy, especially in this specific case. Based on this norm and according to the process of priests translocation there is a need to look into situations in which translocation is something what is approval to the body of the cannon and in which it is against this norm. Positive aspects of this process are for sure that bishops have got a privilege to freely management of the elders, whose who are their subjects, in aim of creating an effective organization of the priesthood in dioceses. Next thing is that priests have got a possibility to earn new experience in next priesthoods; the faithful can see yariety of form of the ministration. Finally, it could be a way to cure conflicts in priesthoods, avoid the boredom of the interaction between priest and the faithful and not permit to the danger of the burnout of the priest. The translocation is not a good practice in the situation when the cause of it is not connected with the canon like: destroying well cooperating church communities, stopping of prominence and potential projects, not appreciating abilities and acquired competences of the priest or not using clear and unified time and substantive regulations in decrees of translocating elders. To avoid the negative circumstance every case of translocation should be connected, as it is shown in this analysis, with the priority of the salvation of souls, which should be always the most important law in the Church.
W ostatnim kanonie aktualnie obowiązującego Kodeksu Prawa Kanonicznego zawarto normę, według której zbawienie dusz zawsze winno być w Kościele najwyższym prawem. Jakkolwiek normę tę należy stosować do wszystkich regulacji prawa kościelnego, to jednak zwraca uwagę fakt umieszczenia jej w kanonie, regulującym kwestię translokacji proboszcza, co implikuje stosowanie powyższej zasady w ramach tejże procedury ze szczególną pieczołowitością. Analizując w tym świetle praktykę kapłańskich translokacji, należy dostrzec okoliczności, w których stanowi ona realizację powyższej normy, jak i te, w których może ją nawet utrudniać. Do argumentów przemawiających za stosowaniem tejże praktyki dla realizacji omawianej normy prawnej zaliczyć należy: uprawnienie biskupa do swobodnego dysponowania posługą podległych sobie prezbiterów w celu efektywnego zorganizowania duszpasterstwa w diecezji, możliwość zdobywania nowych doświadczeń przez prezbiterów, umożliwienie wiernym korzystanie ze zróżnicowanej w formie posługi duszpasterskiej; zapobieganie sytuacjom konfliktowym w parafiach; unikanie zmęczenia kapłana wiernymi i wiernych swoim duszpasterzem; zaradzenie niebezpieczeństwu znużenia pracą przez samego kapłana. Do okoliczności, w których praktyka translokacji nie służy realizacji omawianej zasady, należy zaliczyć: stosowanie jej z motywów nie związanych bezpośrednio z tą zasadą; rozbijanie dobrze współdziałających zespołów duszpasterskich, niweczenie pomyślnie rozwijających się dzieł, nieuwzględnianie naturalnych zdolności i nabytych umiejętności poszczególnych prezbiterów, brak jasnych i jednolitych kryteriów merytorycznych i czasowych przy podejmowaniu decyzji o translokacjach. Działania, jakie należy podjąć w celu zapobiegania tym negatywnym okolicznościom to postulaty, wynikające z powyższej analizy, z których najważniejszym jest kierowanie się, przy stosowaniu omawianej procedury, troską o zbawienie dusz, które zawsze w Kościele winno być najwyższym prawem.
Źródło:
Teologiczne Studia Siedleckie; 2019, XVI/16; 170-188
1733-7496
Pojawia się w:
Teologiczne Studia Siedleckie
Dostawca treści:
Biblioteka Nauki
Artykuł

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