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    Wyświetlanie 1-8 z 8
    Tytuł:
    Structure-activity relationship study for fungicidal activity of 1-(4-phenoxymethyl-2-phenyl-[1,3]dioxolan-2-ylmethyl)-1H-1,2,4-triazole derivatives against rice blast
    Autorzy:
    Hoshi, T.
    Yamada, K.
    Yoshizawa, Y.
    Oh, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/66672.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    antifungal agent
    structure-activity relationship
    fungicidal activity
    fungicide
    triazole derivative
    rice
    Oryza sativa
    Magnaporthe oryzae
    rice blast
    plant disease
    Opis:
    To explore new antifungal agents for rice blast control, the antifungal activity of a series of novel 1,2,4-triazole derivatives against Magnaporthe oryzae has been evaluated. The antifungal activity was determined by using in vitro mycelial growth inhibition tests. Among the 19 test compounds, we found that the compound 1-(4-phenoxymethyl-2-phenyl-[1,3]dioxolan-2-ylmethyl)-1H-1,2,4- triazole (Gj) displayed potent antifungal activity against M. oryzae. The IC50 value was found approximately 3.8±0.5 μM and the IC50 value of propiconazole was found to be approximately 3.7±0.2 μM, respectively. Structure-activity relationship studies on aromatic ring structures provided insight and information about the structural requirements for antifungal activity of this synthetic series against M. oryzae.
    Źródło:
    Journal of Plant Protection Research; 2015, 55, 4
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Scanning Tunneling Spectroscopy Study of Surface States of 3d Metals: Chemical Identification, Magnetic Contrast and Orbital Kondo Resonance States
    Autorzy:
    Bischoff, M. M. J.
    Fang, C. M.
    de Groot, R. A.
    Heijnen, G. M. M.
    Katsnelson, M. I.
    Kolesnychenko, O. Yu.
    de Kort, R.
    Lichtenstein, A. I.
    Quinn, A. J.
    Vasquez de Parma, A. L.
    Yamada, T. K.
    van Kempen, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/2036891.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    73.20.-r
    68.37.-d
    75.70.-i
    Opis:
    The surface states of 3d transition metals are studied by scanning tunneling microscopy and scanning tunneling spectroscopy. The results show that surface states can be used for chemical identification with high spatial resolution. The spin polarized nature of the surface states allows us to obtain magnetic contrast in scanning tunneling miroscopy imaging with near atomic resolution. For Cr(100) we found that the surface state close to the Fermi level can be explained by an orbital Kondo resonance surface state.
    Źródło:
    Acta Physica Polonica A; 2003, 104, 3-4; 231-243
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    R&D of novel medicinal materials for curing cancer: sugar modified Gd-DTPA MRI contrast agents and phospha sugar anti-cancer agents
    Autorzy:
    Yamashita, Y.
    Yamashita, M.
    Fujie, M.
    Suyama, K. A. T.
    Ito, S.
    Reddy, V. K.
    Yamada, M.
    Ogawa, K.
    Ozaki, N.
    Nakamura, S.
    Aoki, T.
    Yu, G.
    Aoshima, K.
    Kato, T.
    Kamikage, N.
    Kiyofuji, K.
    Takehara, Y.
    Sakahara, H.
    Takayanagi, H.
    Oshikawa, T.
    Laurent, S.
    Burtea, C.
    Van der Elst, L.
    Muller, R. N.
    Powiązania:
    https://bibliotekanauki.pl/articles/385218.pdf
    Data publikacji:
    2009
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    MRI contrast agent
    sugar-ball-dendrimer
    Gd (III)-DTPA complex
    phospha sugars
    phospholanes
    anticancer agent
    tumor
    Opis:
    Novel Sugar Dendritic Gd-DTPA Complexes for MRI Contrast Agents were prepared and evaluated by in vitro and in vivo methods. The sugar dendritic MRI contrast agents have a good blood vesse pool character, and draw blood vessels and liver cancer remarkably clearer than the clinically using Gd-DTPA. Phospha sugar derivatives or phosphorus heterocyclic derivatives provided by functional groups such as epoxide, bromide, etc., were prepared and evaluated by MTT in vitro method. These phospha sugar derivatives showed excellent activities against leukemia cells as well as solid cancer cells in fashions of (i) higher activity, (ii) wider spectra, (iii) higher selectivity and specificity distingushing healthy and cancer cells, etc., compared with the molecular targeting chemotheraputic anti-cancer agent, Gleevec.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 4; 80-83
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Leaves of cut rose flower convert exogenously applied glucose to sucrose and translocate it to petals
    Autorzy:
    Horibe, T.
    Yamaki, S.
    Yamada, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2014.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Ogrodnictwa
    Tematy:
    leaf
    flower quality
    cut
    rose flower
    sugar metabolism
    glucose
    translocation
    soluble carbohydrate
    sugar content
    petal
    Rosa
    Źródło:
    Journal of Horticultural Research; 2014, 22, 2
    2300-5009
    Pojawia się w:
    Journal of Horticultural Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electron paramagnetic resonance studies on silver atoms and clusters in regularly interstratified clay minerals
    Autorzy:
    Yamada, H.
    Sadlo, J.
    Tamura, K.
    Shimomura, S.
    Turek, J.
    Michalik, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/147360.pdf
    Data publikacji:
    2004
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    EPR spectroscopy
    regularly interstratified clay minerals
    silver atoms
    gamma irradiation
    Opis:
    The formation and stabilization of reduced silver species in the regularly interstratified clay minerals, trioctahedral smectite/chlorite (tri-Sm/Ch) and dioctahedral smectite/mica (di-Sm/M), have been studied by electron paramagnetic resonance (EPR) spectroscopy. Both minerals loaded with Ag+ cations after degassing and dehydration were g-irradiated at 77 K and monitored by EPR as the temperature increased. Some samples were exposed to water or methanol vapor after dehydration. In both hydrated and dehydrated samples only the doublets assigned to Ag0 atoms were observed with no evidence of the formation of Ag clusters. However, the EPR parameters of silver atoms in both matrices are different. In tri-Sm/Ch the narrow anisotropic EPR lines overlap with the broader isotropic lines, whereas in di-Sm/M only broad lines are recorded. The hyperfine splitting - Aiso(Ag0) is larger in tri-Sm/Ch than in di-Sm/M. Also the stability of Ag0 in both clay minerals is distinctly different. Ag0 doublet in di-Sm/M disappears completely above 230 K, whereas in tri-Sm/Ch it is still recorded at 310 K. It is proposed, basing on the EPR results that Ag0 atoms appear at different sites in both matrices: - in tri-Sm/Ch in the middle of smectite interlayer and in hexagonal cavities in the silicate sheets of tetrahedron layer and in di-Sm/M in hexagonal cavities only. When samples had been exposed to methanol before irradiation, the silver clusters become stabilized in the interlayer sites. In tri- Sm/Ch matrix the silver dimer Ag2+ formed by g-irradiation at 77 K is transformed to tetrameric cluster, Ag43+ at 150 K. In di-Sm/M the radiation-induced silver agglomeration proceeds in a similar way, but with a slower rate and Ag tetramer is formed only above 190 K. In both clay minerals, Ag43+ clusters decay above 250 K.
    Źródło:
    Nukleonika; 2004, 49, 4; 131-136
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of environmental purification materials with smart functions
    Autorzy:
    Yamada, H.
    Watanabe, Y.
    Tamura, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/146231.pdf
    Data publikacji:
    2006
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    apatite
    environmental purification
    layered double hydroxide
    nanocomposite
    nuclear waste
    zeolite-LTA
    Opis:
    For an environmental-friendly sustainable society, the global environmental problems should be solved. Here we outline our recent results of environment purification materials with smart functions. For the effective adsorbent for remediation process, zeolite coated with layered double hydroxide (LDH) was prepared by the precipitation of LDH on zeolite-LTA under hydrothermal treatment. This multifunctional material has a possible application for simultaneous uptake of harmful cations and anions, and minimizes environmental pollution during municipal and industrial water management. For novel material for the nuclear waste management, zeolite with hydroxyapatite layers on its surface was obtained by a hydrothermal method on the basis of the cation exchange of Ca2+ in zeolite for NH4+ in solution. The novel nanocomposite is an ideal material for adsorbing and fixing radioactive elements for geological time-scale.
    Źródło:
    Nukleonika; 2006, 51,suppl.1; 61-67
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Colour interaction, psychological Functioning and Kansei measurement method
    Autorzy:
    Kgd, T.
    Cm, A. I.
    Cho, Y. I.
    Nomura, S.
    Yamada, K.
    Marasinghe, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/333159.pdf
    Data publikacji:
    2009
    Wydawca:
    Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
    Tematy:
    zdrowie psychiczne
    stowarzyszenie kulturowe
    język
    metoda Kansei
    emocje
    metody pomiarowe
    colour interactions
    psychological functioning
    cultural association
    language
    Kansei
    emotion
    measuring methods
    Opis:
    Color is an inseparable element of our lives and is a part of everything we perceive. Colour has a strong impact on our decision making process. Therefore there is a direct connection between the colour and psychological functions. Kansei is a Japanese concept, which abstracts the subjective internal process in the brain, which is activated by external stimuli. Furthermore, Kansei is a function of the brain which integrates sensibility, sense, sensitivity, aesthetics, emotion, affection and intuition. Therefore measuring Kansei is a broader aspect of measuring psychological functioning of the brain. In this research, colour interaction and respective psychological functioning is measured using Kansei measurement method. Further the result of this research was compared with an circumflex model for personality and emotions to recognize the variability of colours in terms of emotional regions. The results indicate that colours have a variable nature and are associated with several different emotions in several different intensities. Colours which have longer wavelengths are more arousing and they generate more psychological functioning than the colours which have shorter wavelengths.
    Źródło:
    Journal of Medical Informatics & Technologies; 2009, 13; 223-228
    1642-6037
    Pojawia się w:
    Journal of Medical Informatics & Technologies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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