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Wyświetlanie 1-15 z 75
Tytuł:
Bryogeographical elements of moss flora in glacial cirques Sniezne Kotly [Karkonosze Mts.] and their threat
Autorzy:
Fudali, E
Kucera, J.
Powiązania:
https://bibliotekanauki.pl/articles/57410.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
threatened bryophyte
bryoflora
moss flora
Karkonosze Mountains
moss
glacial relict
Sudetes Mountains
Opis:
Based on geographical and ecological analysis of the present moss flora occurring in two contiguous glacial cirques Śnieżne Kotły (Western Karkonosze Mts.), the occurrence of 20 species representing arctic-alpine and subarctic-subalpine elements is discussed. The majority of (sub)arctic- (sub)alpine elements (70%) occurred sporadically or very rarely (no more than 5 records), which indicates their general threat. Nine historically recorded species of these geographic elements could not be retrieved during the recent survey, however four of the recently found species have not been found during the systematic survey of historical sites on the Czech, southern, side of Karkonosze Mts. This proves that the northern localization of Śnieżne Kotły cirques favours the survival of relict species. The question of relictness with respect to the Düll's phytogeographical characterization is discussed; only in ten of the (sub)arctic- (sub)alpine species the relict character could be considered as granted due to their present distribution range. The full list of the Śnieżne Kotły present moss flora with the brief characteristics of their ecological distribution has been included, first such attempt since 1930.
Źródło:
Acta Societatis Botanicorum Poloniae; 2003, 72, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozliczanie podatku VAT z zastosowaniem procedury MOSS
Settlement of VAT using MOSS procedure
Autorzy:
Jaszczyński, Michał
Powiązania:
https://bibliotekanauki.pl/articles/447119.pdf
Data publikacji:
2015
Wydawca:
Mazowiecka Uczelnia Publiczna w Płocku
Tematy:
VAT
settlement
MOSS procedure
supplier
customer
registration
supply of services
telecommunication
broadcasting services
electronic services
country of consumption
EU
Opis:
Significant changes in VAT provisions were introduced to Polish law on 1 January 2015. Mentioned changes concern the supply of telecommunication, broadcasting and electronic services for entities (other than VAT taxpayers) from EU country, other than Poland. According to above, the company supplying mentioned services is obliged to settle VAT in all countries in which customers are located. In order to simplify VAT settlement, the Polish taxpayers can use the special, optional procedure MOSS (Mini One Stop Shop), which allows to submit one VAT return and to make the payment of VAT. Tax is afterwards passed on from Polish tax authorities to the country of consumption of mentioned services. Using MOSS procedure the Polish taxpayer is not obliged to register for VAT in the country of consumption.
Źródło:
Zeszyty Naukowe PWSZ w Płocku. Nauki Ekonomiczne; 2015, 2(22); 271-276
1644-888X
Pojawia się w:
Zeszyty Naukowe PWSZ w Płocku. Nauki Ekonomiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A novel α-glucosidase from the moss Scopelophila cataractae
Autorzy:
Yamasaki, Yoshiki
Nakashima, Susumu
Konno, Haruyoshi
Powiązania:
https://bibliotekanauki.pl/articles/1041095.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
copper
Scopelophila cataractae
α-glucosidase
moss
Opis:
Scopelophila cataractae is a rare moss that grows on copper-containing soils. S. cataractae protonema was grown on basal MS medium containing copper. A starch-degrading activity was detected in homogenates of the protonema, after successive extraction with phosphate buffer and buffer containing 3 M LiCl. Buffer-soluble extract (BS) and LiCl-soluble extract (LS) readily hydrolyzed amylopectin to liberate only glucose, which shows that α-glucosidase (EC 3.2.1.20) in BS and LS hydrolyzed amylopectin. The Km value of BS for maltose was 0.427. The Km value of BS for malto-oligosaccharide decreased with an increase in the molecular mass of the substrate. The value for maltohexaose was 0.106, which is about four-fold lower than that for maltose. BS was divided into two fractions of α-glucosidase (BS-1 and BS-2) by isoelectric focusing. The isoelectric points of these two enzymes were determined to be 4.36 (BS-1) and 5.25 (BS-2) by analytical gel electrofocusing. The two enzymes readily hydrolyzed malto-oligosaccharides. The two enzymes also hydrolyzed amylose, amylopectin and soluble starch at a rate similar to that with maltose. The two enzymes readily hydrolyzed panose to liberate glucose and maltose (1 : 1), and the Km value of BS for panose was similar to that for maltotriose, whereas the enzymes hydrolyzed isomaltose only weakly. With regard to substrate specificity, the two enzymes in BS are novel α-glucosidases. The two enzymes also hydrolyzed β-limit dextrin, which has many α-1,6-glucosidic linkages near the non-reducing ends, more strongly than maltose, which shows that they do not need a debranching enzyme for starch digestion. The starch-degrading activity of BS was not inhibited by p-chloromercuribenzoic acid or α-amylase inhibitor. When amylopectin was treated with BS and LS in phosphate buffer, pH 6.0, glucose, but not glucose-1-phosphate, was detected, showing that the extracts did not contain phosphorylase but did contain an α-glucosidase. These results show that α-glucosidases should be capable of complete starch digestion by themselves in cells of S. cataractae.
Źródło:
Acta Biochimica Polonica; 2007, 54, 2; 401-406
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Orthotrichum affine var. bohemicum (Orthotrichaceae), a new variety of epiphytic moss from the Czech Republic
Autorzy:
Plasek, V.
Sawicki, J.
Markova, I.
Wierzcholska, S.
Powiązania:
https://bibliotekanauki.pl/articles/57930.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Orthotrichum affine var.bohemicum
Orthotrichum affine
Orthotrichum pallens
Orthotrichaceae
new cultivar
moss
epiphytic moss
taxonomy
Czech Republic
Opis:
Orthotrichum affine var. bohemicum Plášek & Sawicki, var. nova, is a confirmed record of a new variety from the Czech Republic. The new taxon is described and illustrated by photos and drawing. It is characterized by having superficial stomata and a peristome with 16 endostome segments (practically as long as exostome teeth). Molecular data indicating the phylogenetic placement of the species are presented.
Źródło:
Acta Societatis Botanicorum Poloniae; 2011, 80, 4
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gunilla Dahlberg, Peter Moss, Alan Pence, "Poza dyskursem jakości w instytucjach wczesnej edukacji i opieki. Języki ocen"
Autorzy:
Malwina, Kałużyńska,
Powiązania:
https://bibliotekanauki.pl/articles/892115.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Tematy:
Gunilla Dahlberg
Peter Moss
Alan Pence
Opis:
-
Źródło:
Kwartalnik Pedagogiczny; 2016, 61(4 (242)); 244-249
0023-5938
Pojawia się w:
Kwartalnik Pedagogiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Zinc Accumulation in Moss (Pylaisia polyantha) Growing Near Intensive Traffic Street Based on Modelling and Experimental Data
Autorzy:
Paliulis, Dainius
Powiązania:
https://bibliotekanauki.pl/articles/2069911.pdf
Data publikacji:
2021
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
zinc
moss
atomic absorption spectroscopy
Gaussian plume model
Opis:
Pylaisia polyantha moss growing near intensive traffic in Geležinis Vilkas street at Vingis Park (Vilnius) was selected as an indicator of environmental pollution. Two models were applied for the study: the Gaussian plume model – for zinc emission from automobiles calculation and mathematical model – for recalculating the zinc emission from transport to zinc concentration in moss. Moss samples were collected during spring, summer and autumn. There were no significant changes in Zn concentrations between these periods. Zn emission dispersion from pollution source was calculated only for one vehicle, in order to reach relationships between environmental conditions and dispersion of Zn emission from vehicle exhaust fumes pipe. It was detected that the concentration of Zn tends to decrease with the distance from the pollution source. It was observed that there was a strong relationship between wind speed and Zn concentration – the slower the wind speed, the higher concentration of zinc in moss.
Źródło:
Rocznik Ochrona Środowiska; 2021, 23; 198--213
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cysteine-rich CuZn-superoxide dismutase in the moss Pogonatum inflexum
Autorzy:
Kanematsu, S.
Shirae, Y.
Tamamoto, N.
Powiązania:
https://bibliotekanauki.pl/articles/80729.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
sulphydryl group
protein
reactive oxygen species
cysteine
superoxide dismutase
moss
Pogonatum inflexum
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Who's Renting These Boys? Wiktor Grodecki's Czech Hustler Documentaries
Autorzy:
Moss, Kevin
Powiązania:
https://bibliotekanauki.pl/articles/458961.pdf
Data publikacji:
2006
Wydawca:
Uniwersytet Warszawski. Ośrodek Studiów Amerykańskich
Opis:
As controls on sex, sexuality, and capitalism relaxed in the former Warsaw Pact countries after 1989, pornography and prostitution flourished. The main center of both industries in the 90s in Centra land Eastern Europe was Prague, which also became the favored destination of Westerners eager to explore the "new Paris."Gay porn and male prostitutes were among Prague's attractions. As the Westernmost outpost of the Slavic world, Prague had always had a special place in the Orientalist construct of Eastern Europe. West of Berlin and Vienna, Prague was nevertheless perceived as the East by its German-speaking neighbors. As I have shown elsewhere, conservatives in Eastern Europe regularly conflated sexual dissidence with political dissidence. Valentin Rasputin, for example, said of homosexuality, "That kind of contact between men is a foreign import. If they feel their rights are infringed they can always go and live in another country." A similar reaction to gay pornography and prostitution in Prague can be found in the films of Wiktor Grodecki. Wiktor Grodecki is a Pole who studied film in the US, then returned to Poland in 1992. His three films about Czech rent boys, Not Angels,but Angels (Andělé nejsou andělé 1994), Bodywithout Soul (Tělo bez duše1996), and Mandragora (1997) purport to be objective, honest documentaries in which (in the language of the video box) the boys'' "frankness and need to talk become the engine that drivesthe film." In reality, Grodecki's films are both highly manipulated and highly manipulative in ways that serve to enforce "normal" sexuality while demonizing various "abnormal" sexual practices. At the same time they portray these practices as an import from the colonizing capitalist West.
Źródło:
InterAlia: Pismo poświęcone studiom queer; 2006, 1; 5
1689-6637
Pojawia się w:
InterAlia: Pismo poświęcone studiom queer
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New occurrence of rare protected moss species Buxbaumia viridis (Bryopsida, Buxbaumiaceae) in the Bialowieza Forest
Autorzy:
Szczepaniuk, A.
Kucharzyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/790678.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
new occurrence
rare species
protected species
moss
Buxbaumia viridis
Bryopsida
Buxbaumiaceae
Bialowieza Forest
Opis:
The Green Shield-moss Buxbaumia viridis (Bryopsida, Buxbaumiaceae) is an endangered, legally protected bryophyte considered as an ancient forest species both in Poland and elsewhere in Europe. This paper presents new localities for NE Poland, specifically in the Białowieża Forest. As an epixylous species, it is threatened by logging and intensive forest management. It is of utmost importance to protect this species' habitat, particularly at the present time when increased logging is proposed.
Źródło:
Steciana; 2016, 20, 2
1689-653X
Pojawia się w:
Steciana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in the aquatic moss Sphagnum denticulatum Brid. population abundance in a softwater lake over a period of three years
Autorzy:
Szmeja, J
Powiązania:
https://bibliotekanauki.pl/articles/57078.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
aquatic moss
population dynamics
Sphagnum denticulatum
population abundance
soft water lake
lake
phenology
Opis:
Changes in population abundance of submerged Sphagnum denticulatum Brid. were studied in an acidic and oligotrophic lake in NW Poland over three years. Individuals were counted in a moss carpet at a depth of 2.5 m on 4 experimental plots, 1 × 1 m each, every 30 days for 36 months using the SCUBA method. PAR intensity was seasonally variable (in winter higher than in summer). Changes in water pH, conductivity, HCO3- concentration, hydration and sediment pH were statistically insignificant (p > 0.05). In the summer of the second study year the moss carpet disappeared almost completely due to a massive bloom of filamentous green algae. Periods of growth, regression and regeneration were observed in the population. The stabilisation of population size took 24 months and followed the pattern: slight fluctuations, then rapid growth and repetition of slight fluctuations. The first stage lasted nine, the second four and the third nine months. These stages took place irrespective of seasons, temperature or PAR intensity. Each rapid increase in abundance lasted about 30 days, at PAR intensity >20% and water temperature ranging from 11 to 16oC (in winter, spring or autumn). The regression stage brought about by the algal bloom started in the second year (in summer) and lasted six months (until the end of January in the third year). The population regeneration began in winter (in February, water temperature 3.0oC, PAR about 20%, ice cover 0.15 m) and finished with the end of spring. The population of S. denticulatum shows a repetitive pattern of abundance variations, which is seriously disturbed in summer, especially after a warm spring, by a massive bloom of filamentous green algae.
Źródło:
Acta Societatis Botanicorum Poloniae; 2010, 79, 2; 167-173
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibacterial activity of ethanolic extracts of some moss species
Aktywność przeciwbakteryjna wyciągów etanolowych wybranych gatunków mchów
Autorzy:
Karpinski, T.M.
Adamczak, A.
Powiązania:
https://bibliotekanauki.pl/articles/71461.pdf
Data publikacji:
2017
Wydawca:
Instytut Włókien Naturalnych i Roślin Zielarskich
Tematy:
antibacterial activity
antiviral activity
ethanol extract
moss species
Dryptodon pulvinatus
Schistidium crassipilum
Orthotrichum anomalum
Opis:
Introduction: For centuries, mosses have been used in traditional medicine due to their antibacterial, antifungal, and antiviral activities. Objective: The present study was designed to evaluate the antibacterial activity of ethanolic extracts obtained from 12 moss species: Brachythecium albicans, Bryum argenteum, Ceratodon purpureus, Dicranum scoparium, Dryptodon pulvinatus, Orthotrichum anomalum, Oxyrrhynchium hians, Plagiomnium undulatum, Polytrichum juniperinum, P. piliferum, Schistidium crassipilum, and Syntrichia ruralis. Methods: The antimicrobial activity of extracts was investigated against three Gram(+) bacteria (Enterococcus faecalis, Staphylococcus aureus, and Streptococcus pyogenes) and two Gram(-) bacteria (Escherichia coli and Klebsiella pneumoniae), using the agar disc-diffusion method. Results: The high activity against all investigated bacteria was determined for extracts of D. pulvinatus, P. undulatum, B. argenteum, S. crassipilum, O. anomalum (mean inhibition zone: 11.3–13.1 mm) and to a lesser extent in the case of D. scoparium (8.3 mm). Extracts from P. juniperinum and P. piliferum showed activity only against Gram-positive bacteria, with an inhibition zone from 7.3 to 9.7 mm. Four species: B. albicans, C. purpureus, O. hians, and S. ruralis had not antibacterial properties. Conclusions: The obtained results indicate that mosses could be a significant source of antibacterial agents. For the first time, we presented antibacterial activity of ethanolic extracts from S. crassipilum and O. anomalum.
Wstęp: Od wieków mchy były stosowane w tradycyjnej medycynie, ze względu na ich działanie przeciwbakteryjne, przeciwgrzybicze i przeciwwirusowe. Cel: Celem niniejszej pracy było określenie aktywności przeciwbakteryjnej wyciągów etanolowych otrzymanych z 12 gatunków mchów: Brachythecium albicans, Bryum argenteum, Ceratodon purpureus, Dicranum scoparium, Dryptodon pulvinatus, Orthotrichum anomalum, Oxyrrhynchium hians, Plagiomnium undulatum, Polytrichum juniperinum, P. piliferum, Schistidium crassipilum i Syntrichia ruralis. Metody: Działanie przeciwbakteryjne wyciągów badano wobec trzech bakterii Gram-dodatnich (Enterococcus faecalis, Staphylococcus aureus i Streptococcus pyogenes) oraz dwóch bakterii Gram-ujemnych (Escherichia coli i Klebsiella pneumoniae), stosując metodę dyfuzyjno-krążkową. Wyniki: Wysoką aktywność przeciwko wszystkim badanym bakteriom stwierdzono w przypadku wyciągów uzyskanych z D. pulvinatus, P. undulatum, B. argenteum, S. crassipilum i O. anomalum (średnia strefa zahamowania wzrostu: 11.3–13.1 mm), a niższą dla D. scoparium (8.3 mm). Wyciągi z P. juniperinum i P. piliferum wykazały aktywność jedynie wobec bakterii Gram-dodatnich. Ekstrakty z B. albicans, C. purpureus, O. hians i S. ruralis nie posiadały właściwości przeciwbakteryjnych. Wnioski: Uzyskane wyniki wskazują, że mchy mogą mieć znaczenie jako źródło związków działających przeciwbakteryjnie. Były to pierwsze badania wykazujące przeciwbakteryjną aktywność wyciągów etanolowych uzyskanych z S. crassipilum i O. anomalum.
Źródło:
Herba Polonica; 2017, 63, 3
0018-0599
Pojawia się w:
Herba Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 75

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