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    Wyświetlanie 1-6 z 6
    Tytuł:
    Proteus mirabilis RMS 203 as a new representative of the O13 Proteus serogroup
    Autorzy:
    Palusiak, Agata
    Siwińska, Małgorzata
    Zabłotni, Agnieszka
    Powiązania:
    https://bibliotekanauki.pl/articles/1038887.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    cross-reaction
    lipopolysaccharide
    O-polysaccharide
    O serogroup
    Proteus
    Opis:
    The unique feature of some Proteus O-polysaccharides is occurrence of an amide of galacturonic acid with Nε-[(S/R)-1-Carboxyethyl]-l-lysine, GalA6(2S,8S/R-AlaLys). The results of the serological studies presented here, with reference to known O-antigens structures suggest that GalA6(2S,8S/R-AlaLys) or 2S,8R-AlaLys contribute to cross-reactions of O13 Proteus antisera, and Proteeae LPSs. It was also revealed that the Proteus mirabilis RMS 203 strain can be classified into the O13 serogroup, represented so far by two strains: Proteus mirabilis 26/57 and Proteus vulgaris 8344. The O13 LPS is a serologically important antigen with a fragment common to LPSs of different species in the Proteeae tribe.
    Źródło:
    Acta Biochimica Polonica; 2015, 62, 4; 691-695
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Inverse Reaction Cross Sections for Some Charged Particles Using the Optical Model Parameters
    Autorzy:
    Ahmed, Rasha S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193016.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Optical reaction cross-sections
    charged particles
    neutrons
    pre-equilibrium models
    Opis:
    p-nucleus, (_1^2)H-nucleus, (_1^3)H-nucleus, and (_2^4)He-nucleus inverse reaction cross sections have been determined using the optical model potentials in a wide range of target nuclei started from A=1 to A=232 using several incident particle energies ( E = 2, 8, 10, 20, and 40 MeV). In this work, a large number of optical model available parameters were used to calculate the inverse reaction cross section and compared to investigate the effect of the mass number and incident particle energy on the inverse reaction cross section. All the calculations were performed using MATHLAB programming language.
    Źródło:
    World Scientific News; 2016, 28; 72-83
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Suzuki-Miyaura cross-coupling reaction catalyzed by new synthesized palladium complex containing N,N,O-Tridentate ligands
    Autorzy:
    Jadeja, Juvansinh J.
    Gondaliya, Mitesh B.
    Mokariya, Devang M.
    Shah, Manish
    Powiązania:
    https://bibliotekanauki.pl/articles/1182763.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    N
    O-Tridentate ligand
    Palladium complex
    Schiff base
    Suzuki-Miyaura cross-coupling reaction
    Opis:
    N,N,O-Tridentate ligands were prepared by the condensation of 1-(Benzothiazole 2-yl) hydrazine with substituted salicyldehydes or different aromatic ketones. New synthesized metal complex are thermally stable and neither air- nor moisture-sensitive. Suzuki–Miyaura cross-coupling reaction is carried out in present of various ligands and palladium salts, Different solvent/water ratio with different Base and studied effects its effect on the performance of the coupling reaction.
    Źródło:
    World Scientific News; 2017, 66; 238-249
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rapid production of 18F fluoride from 2-fluoroaniline via the 19F(n,2n)18F reaction using 14 MeV neutrons
    Autorzy:
    Mikołajczak, R.
    Staniszewska, J.
    Mikołajewski, S.
    Rurarz, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/147126.pdf
    Data publikacji:
    2002
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    chemical and production yields
    fluorine-18
    radiochemical separation
    (n,2n) reaction cross section
    Opis:
    No carrier-added 18F fluoride was produced via the 19F(n,2n)18F reaction by 14 MeV neutron irradiation of 2-fluoroaniline and subsequent extraction of the produced 18F fluoride ion with water. The fluoride was then purified by liquid chromatography on a Chromabond-NO2 column. The time required for all chemical procedures was about 1 h. The average chemical separation yield was about 70%. The 18F activity obtained after 3 hours of irradiation at a flux rate of 108 n cm-2s-1 after a necessary 20-min delay was equal to several kBq per gram of fluorine in a 2-fluoroaniline sample, in accordance with the theoretically expected value. Improvement of the 18F production yield can be achieved by increasing neutron fluxes. Neutron generators with 14 MeV neutron fluxes of the order of 1010 n cm-2s-1 can produce tens MBq of 18F, sufficient for whole-day work in biomedical applications. Our results show that 14 MeV neutron irradiation of 2-fluoroaniline is a low cost alternative for the production of this nuclide in the countries which do not posses either cyclotrons or electron linear accelerator facilities.
    Źródło:
    Nukleonika; 2002, 47, 1; 13-18
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sex propheromone of the pine tree lappet moth Dendrolimus pini and its use in attractant-based monitoring system
    Autorzy:
    Grodner, J.
    Zander, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/55011.pdf
    Data publikacji:
    2010
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    cross-coupling reaction
    stereoselective reduction
    acetal
    aldehyde
    attractant
    Lepidoptera
    Lasiocampidae
    Pinus sylvestris
    field experiment
    Scotch pine
    sex pheromone
    pine tree
    lappet moth
    Dendrolimus pini
    attractant-based monitoring system
    needle
    forest
    Polska
    monitoring
    insecticide
    plant protection
    Opis:
    The study presents a new strategy of synthesis of the pine-tree lappet moth sex pheromone via hydrolysis of the (5Z,7E)-1,1-diethoxy-5,7-dodecadiene (propheromone) and their using in biological tests with pheromone traps. The field trials showed that a sticky delta traps with propheromone at dose of 2.4 mg was the most suitable for monitoring of the population of the pine tree lappet moth.
    Źródło:
    Pestycydy; 2010, 1-4
    0208-8703
    Pojawia się w:
    Pestycydy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Catalytic performances of cross-linking humic acids supported Pd/Ni bimetallic catalyst for heck reaction
    Autorzy:
    Xu, Q.
    Zhang, L.
    Shi, W.
    Cui, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/778727.pdf
    Data publikacji:
    2009
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    kwas humusowy
    epichlorohydryna
    katalizator bimetaliczny Pd/Ni
    katalizator nośnikowy
    reakcja Hecka
    cross-linking humic acid
    epichlorohydrin
    Pd/Ni bimetallic catalyst
    supported catalyst
    Heck reaction
    Opis:
    The cross-linking humic acids (CL-HAs), epichlorohydrin as the cross-linking reagent and the supported Pd/Ni bimetallic catalysts (CL-HAs-Pd/Ni) were prepared and characterized by IR, AAS, XPS, TEM. The effects of reaction time, temperature, base, solvent and the amount of catalyst on the properties of the catalyst were studied. These catalysts could catalyze the Heck reaction of aryl halides and substituted aryl halides with acrylic acids or styrene successfully; the yields were all above 95%.
    Źródło:
    Polish Journal of Chemical Technology; 2009, 11, 3; 22-26
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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