Mostrando 401 - 420 Resultados de 2,754,589 Para Buscar '"3 %"', tiempo de consulta: 3.76s Limitar resultados
  1. 401
    por Legault, Claude Y., Prévost, Julie
    Publicado 2012
    “…The asymmetric unit of the title compound, C(9)H(10)FIO, contains two independent mol­ecules which are weakly bound by inter­molecular O⋯I inter­actions [3.046 (4) and 2.947 (4) Å]. The two covalent I—F bonds are slightly longer than the two I—O bonds.…”
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  2. 402
    “…Two bidentate pyridine-triazole ligands (3-(pyridine-2-yl)-5-phenyl-1,2,4-triazole (L1) and 5-phenyl-2-(2′-pyridyl)-7,8-benzo-6,5-dihydro-1,3,6-triazaindolizine (L2)), have been synthesized and used for Ln(Dbm)(3) (Ln = Sm(III), Nd(III), Yb(III) and Er(III)) coordination. …”
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  3. 403
    por Zhang, Guo-Cui, Kong, Ming, Li, Sheng-Li
    Publicado 2014
    “…In the title hydrated zwitterion, C(11)H(13)NO(3)S(2)·H(2)O, the N—C—C—C and C—C—C—S torsion angles in the side-chain are 171.06 (14) and 173.73 (12)°, respectively. …”
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  4. 404
    “…RESULTS: Here, we reported that hypoxia-induced MTA1 expression through hypoxia-induced factor 1 alpha (HIF-1α) and stimulated the growth of osteoblast MC3T3 cells. Silencing of MTA1 through specific siRNA suppressed MC3T3 cell growth and elicited cell differentiation and induced alkaline phosphatase activation and the upregulation of bone morphogenetic protein-2 and osteocalcin. …”
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  5. 405
  6. 406
    “…Our results revealed that actinide aquo ions, An(H(2)O)(x)(3+) (x = 9.6 ± 0.7, 8.9 ± 0.8, and 10.0 ± 0.9 for Cm(III), Am(III), and Ac(III)), were the dominant species in dilute HNO(3) (0.05 M). …”
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  7. 407
    “…To understand the role that thyroid hormones (THs) play in juvenile cerebellar myelination in teleosts, we identified and localised the expression of genes involved in TH signalling (mct8, oatp1c1, dio2, dio3, thraa and l-thrb1) and analysed the effects of the two bioactive THs, T2 and T3, upon their regulation, as well as upon some structural components of the myelination process. …”
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  8. 408
  9. 409
    “…β-NaYF(4) microcrystals co-doped with Yb(3+), Er(3+)/Tm(3+), and Gd(3+) ions were synthesized via a hydrothermal method using rare-earth chlorides as the precursors. …”
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  10. 410
    “…Within this framework, coordination by harzianic acid (H(2)L), a Trichoderma secondary metabolite, of a selection of tripositive rare-earth cations Ln(3+) (Ln(3+) = La(3+), Nd(3+), Sm(3+,) and Gd(3+)) was investigated at 25 °C, and in a CH(3)OH/0.1 M NaClO(4) (50/50 w/w) solvent, using mass spectrometry, circular dichroism, UV–Vis spectrophotometry, and pH measurements. …”
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  11. 411
  12. 412
    “…The results of constructing 3D scaffolds from degradable poly(3-hydrosbutyrpate-co-3-hydroxyvalerate) using FDM technology and studying the structure, mechanical properties, biocompatibility in vitro, and osteoplastic properties in vivo are presented. …”
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  13. 413
  14. 414
    por Liu, Yan-Ju, Li, Yu-Xian, Xu, Min, Wang, Xia
    Publicado 2010
    “…The crystal structure of the title compound, poly[bis­(tri­methyl­ammonium) hexa-μ(1,1)-azido-tetra­azido­tricobalt­ate(II,III)], [(CH(3))(3)NH](2)[Co(II)Co(III) (2)(N(3))(10)], consists of anionic chains [Co(II)Co(III) (2)(N(3))(10)](2−) extending parallel to the c axis and [(CH(3))(3)NH](+) counter-cations situated between the chains. …”
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  15. 415
  16. 416
    “…The motif α-D-GalpNAc-(1-3)-D-GalpNAc is very common in Nature and hence its synthesis highly relevant. …”
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  17. 417
    “…The structure of three functionalized chalcones (1,3-di­aryl­prop-2-en-1-ones), containing combinations of nitro and di­methyl­amino functional groups, are presented, namely, 1-[4-(di­methyl­amino)­phen­yl]-3-(3-nitro­phen­yl)prop-2-en-1-one, C(17)H(16)N(2)O(3), Gp8m, 3-[3-(di­methyl­amino)­phen­yl]-1-(3-nitro­phen­yl)prop-2-en-1-one, C(17)H(16)N(2)O(3), Hm7m and 1-(3-nitro­phen­yl)-3-phenyl­prop-2-en-1-one, C(15)H(11)NO(3), Hm1-. …”
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  18. 418
    “…Glass systems were directly excited at 980 nm (the (2)F(7/2) → (2)F(5/2) transition of Yb(3+)). We demonstrated that the introduction of TiO(2) is a promising option to significantly enhance the main near-infrared luminescence bands located at the optical telecommunication window at 1.3 μm (Pr(3+): (1)G(4) → (3)H(5)), 1.5 μm (Er(3+): (4)I(13/2) → (4)I(15/2)), 1.8 μm (Tm(3+): (3)F(4) → (3)H(6)) and 2.0 μm (Ho(3+): (5)I(7) → (7)I(8)). …”
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  19. 419
    “…X-ray structural analysis, scanning electron microscope measurements with EDS analysis, and luminescence measurements (excitation 395 nm) of LaPO(4):Eu(3+)/Nd(3+) and LaPO(4):Eu(3+)/Nd(3+)/Yb(3+) nanophosphors were made and energy transfer between rare-earth ions was investigated. …”
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  20. 420
    “…NPs doped with lanthanide, Ln(3+) ions (where Ln = Yb, Ho, Er, Tm) were prepared by the hydrothermal method and subjected to comprehensive studies, from determination of their structure and morphology, revealing small, 15 nm structures, through spectroscopic properties, to cytotoxicity in vitro. …”
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