Relevant bibliographies by topics / Osmium nanoparticles

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Osmium nanoparticles'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Osmium nanoparticles"

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Pitto-Barry, Anaïs, Luis M. A. Perdigao, Marc Walker, et al. "Synthesis and controlled growth of osmium nanoparticles by electron irradiation." Dalton Transactions 44, no. 47 (2015): 20308–11. http://dx.doi.org/10.1039/c5dt03205a.

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Defined-size osmium nanoparticles (1.5–50 nm) were synthesized on a B- and S-doped turbostratic graphitic structure from an organometallic osmium complex encapsulated in self-spreading polymer micelles and characterised by (HR)TEM, AFM and XPS.
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Dimakis, Nicholas, Nestor E. Navarro, and Eugene S. Smotkin. "Carbon monoxide adsorption on platinum-osmium and platinum-ruthenium-osmium mixed nanoparticles." Journal of Chemical Physics 138, no. 17 (2013): 174704. http://dx.doi.org/10.1063/1.4802817.

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Li, Chunxiang, Weng Kee Leong, and Ziyi Zhong. "Metallic osmium and ruthenium nanoparticles for CO oxidation." Journal of Organometallic Chemistry 694, no. 15 (2009): 2315–18. http://dx.doi.org/10.1016/j.jorganchem.2009.03.038.

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Santacruz, Lynay, Silvia Donnici, Albert Granados, Alexandr Shafir, and Adelina Vallribera. "Fluoro-tagged osmium and iridium nanoparticles in oxidation reactions." Tetrahedron 74, no. 48 (2018): 6890–95. http://dx.doi.org/10.1016/j.tet.2018.10.040.

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Contreras-Carballada, Pablo, Fabio Edafe, Frans D. Tichelaar, Peter Belser, Luisa De Cola, and René M. Williams. "Tripodal Osmium Polypyridyl Complexes for Self-Assembly on Platinum Nanoparticles." Journal of Physical Chemistry Letters 2, no. 12 (2011): 1460–63. http://dx.doi.org/10.1021/jz200558g.

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Yang, Tianshe, Ao Xia, Qian Liu, et al. "Polymer nanoparticles with an embedded phosphorescent osmium(ii) complex for cell imaging." Journal of Materials Chemistry 21, no. 14 (2011): 5360. http://dx.doi.org/10.1039/c0jm04235h.

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Bello, Valentina, Giovanni Mattei, Paolo Mazzoldi, et al. "Transmission Electron Microscopy of Lipid Vesicles for Drug Delivery: Comparison between Positive and Negative Staining." Microscopy and Microanalysis 16, no. 4 (2010): 456–61. http://dx.doi.org/10.1017/s1431927610093645.

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AbstractLipid-containing nanostructures, in the form of solid lipid nanoparticles or iron oxide nanoparticles (NPs) coated with a lipid shell, were used as case studies for assessing and optimizing staining for transmission electron microscopy structural and compositional characterization. These systems are of paramount importance as drug delivery systems or as bio-compatible contrast agents. In particular, we have treated the systems with a negative (phospshotungstic acid) or with a positive (osmium tetroxide) staining agent. For iron-oxide NPs coated with the lipid shell, negative staining w
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Binder, Wolfgang H., Harald Weinstabl, and Robert Sachsenhofer. "Superparamagnetic Ironoxide Nanoparticles via Ligand Exchange Reactions: Organic 1,2-Diols as Versatile Building Blocks for Surface Engineering." Journal of Nanomaterials 2008 (2008): 1–10. http://dx.doi.org/10.1155/2008/383020.

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A method for the preparation of ligand-covered superparamagnetic iron oxide nanoparticles via exchange reactions is described. 1,2-diol-ligands are used to provide a stable binding of the terminally modified organic ligands onto the surface ofγ-Fe2O3-nanoparticles (r∼4 nm). The 1,2-diol-ligands are equipped with variable terminal functional groups (i.e., hydrogen bonding moieties, azido- bromo-, fluorescent moieties) and can be easily prepared via osmium tetroxide-catalyzed 1,2-dihydroxylation reactions of the corresponding terminal alkenes. Starting from octylamine-coveredγ-Fe2O3-nanoparticle
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He, Shao-Bin, Quan-Quan Zhuang, Liu Yang, et al. "A Heparinase Sensor Based on a Ternary System of Hg2+–Heparin–Osmium Nanoparticles." Analytical Chemistry 92, no. 1 (2019): 1635–42. http://dx.doi.org/10.1021/acs.analchem.9b05222.

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Barry, Nicolas P. E., Anaïs Pitto-Barry, Isolda Romero-Canelón, et al. "Precious metal carborane polymer nanoparticles: characterisation of micellar formulations and anticancer activity." Faraday Discuss. 175 (2014): 229–40. http://dx.doi.org/10.1039/c4fd00098f.

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We report the encapsulation of highly hydrophobic 16-electron organometallic ruthenium and osmium carborane complexes [Ru/Os(p-cymene)(1,2-dicarba-closo-dodecarborane-1,2-dithiolate)] (1and2) in Pluronic® triblock copolymer P123 core–shell micelles. The spherical nanoparticlesRuMsandOsMs, dispersed in water, were characterized by dynamic light scattering (DLS), cryogenic transmission electron microscopy (cryo-TEM), and synchrotron small-angle X-ray scattering (SAXS; diameterca.15 and 19 nm, respectively). Complexes1and2were highly active towards A2780 human ovarian cancer cells (IC<sub>50</sub
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Dissertations / Theses on the topic "Osmium nanoparticles"

1

Yung, Ka-fu, and 容家富. "The chemistry of osmium-palladium mixed-metal nanoclusters and nanoparticles." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31245067.

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Wakisaka, Takuo. "Rational Syntheses of New Metal Nanoparticles and Investigation of Catalytic Activity." Kyoto University, 2020. http://hdl.handle.net/2433/253114.

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Chen, Chih-Hsien, and 陳治憲. "Fabrication and Characterization of Osmium nanoparticles." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/59568860761520677704.

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碩士<br>國立中正大學<br>化學所<br>97<br>Metal nanoparticles have received considerable attention because of their novel size-dependent and shape-dependent electronic, magnetic,optical, and catalytic properties that differ drastically from those of bulk materials, and current research efforts are focused on the preparation of nanomaterials with new morphologies, or controlling the size and shape of nanoparticles. Many methods were used to fabricate nanoparticles,such as electrolysis, chemical reduction, photochmical and hard templates.In this study, we apply thermal decomposition of zerovalent organometal
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Pitto-Barry, Anaïs, L. M. A. Perdigao, M. Walker, et al. "Synthesis and controlled growth of osmium nanoparticles by electron irradiation." 2015. http://hdl.handle.net/10454/11237.

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Yes<br>We have synthesised osmium nanoparticles of defined size (1.5–50 nm) on a B- and S-doped turbostratic graphitic structure by electron-beam irradiation of an organometallic osmium complex encapsulated in self-spreading polymer micelles, and characterised them by transmission electron microscopy (TEM), high-resolution TEM (HRTEM), and atomic force microscopy (AFM) on the same grid. Oxidation of the osmium nanoparticles after exposure to air was detected by X-ray photoelectron spectroscopy (XPS).<br>We thank the Leverhulme Trust (Early Career Fellowship No. ECF-2013-414 to NPEB), the Unive
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Cele, Takalani. "Synthesis of platinum group metals nanoparticles by gamma radiolysis." Thesis, 2018. http://hdl.handle.net/10500/25163.

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An environmental friendly and simple approach to synthesis of Platinum (Pt), Palladium (Pd), Rhodium (Rh) and Osmium (Os) nanoparticles via gamma radiolysis is demonstrated. Herein, we report on the effect of gamma rays radiation on Platinum (Pt), Osmium (Os), Rhodium (Rh) and Palladium (Pd) salts solutions for synthesis of nanoparticles. Pt, Os, Rh and Pd salts solutions of different concentrations were exposed to intense gamma rays irradiation with doses varying from 70 to 120 kGy. The metal ion salt solutions were easily converted into metal nanoparticles (MNP) using radiolysis method
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Kalapu, Chakrapani. "Synthesis, Physiochemical And Electrochemical Studies On Iridium, Osmium And Graphene Oxide-Based Nanostructures." Thesis, 2013. http://etd.iisc.ernet.in/handle/2005/2631.

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Nanoscience dominates almost all areas of science and technology in the 21st century. Nanoparticles are of fundamental interest since they possess unique size dependent properties (optical, electrical, mechanical, chemical, magnetic etc.), which are quite different from the bulk and the atomic state. The research work presented in the thesis is on the preparation, characterization and studies on Ir, Os and graphene oxide-based systems. Interconnected Ir and Os nanochains are prepared under environmentally friendly conditions in aqueous media and subsequently used as substrates for surface enha
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Book chapters on the topic "Osmium nanoparticles"

1

Taber, Douglass F. "Reactions of Alkenes: The RajanBabu Synthesis of Pseudopterosin G-J Aglycone Dimethyl Ether." In Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0029.

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Xiangge Zhou of Sichuan University showed (Tetrahedron Lett. 2011, 52, 318) that even the monosubstituted alkene 1 was smoothly converted to the methyl ether 2 by catalytic FeCl3. Brian C. Goess of Furman University protected (J. Org. Chem. 2011, 76, 4132) the more reactive alkene of 3 as the 9-BBN adduct, allowing selective reduction of the less reactive alkene to give, after reoxidation, the monoreduced 4. Nobukazu Taniguchi of the Fukushima Medical University added (Synlett 2011, 1308) Na p-toluenesulfinate oxidatively to 1 to give the sulfone 5. Krishnacharya G. Akamanchi of the Indian Institute of Chemical Technology, Mumbai oxidized (Synlett 2011, 81) 1 directly to the bromo ketone 6. Osmium is used catalytically both to effect dihydroxylation, to prepare 8, and to mediate oxidative cleavage, as in the conversion of 7 to the dialdehyde 9. Ken-ichi Fujita of AIST Tsukuba devised (Tetrahedron Lett. 2011, 52, 3137) magnetically retrievable osmium nanoparticles that can be reused repeatedly for the dihydroxylation. B. Moon Kim of Seoul National University established (Tetrahedron Lett. 2011, 52, 1363) an extraction scheme that allowed the catalytic Os to be reused repeatedly for the oxidative cleavage. Maurizio Taddei of the Università di Siena showed (Synlett 2011, 199) that aqueous formaldehyde could be used in place of Co/H2 (syngas) for the formylation of 1 to 10. Hirohisa Ohmiya and Masaya Sawamura of Hokkaido University prepared (Org. Lett. 2011, 13, 1086) carboxylic acids (not illustrated) from alkenes using CO2. Joseph M. Ready of the University of Texas Southwestern Medical Center selectively arylated (Angew. Chem. Int. Ed. 2011, 50, 2111) the homoallylic alcohol 11 to give 12. Many reactions of alkenes are initiated by hydroboration, then conversion of the resulting alkyl borane. Hiroyuki Kusama of the Tokyo Institute of Technology photolyzed (J. Am. Chem. Soc. 2011, 133, 3716) 14 with 13 to give the ketone 15. William G. Ogilvie of the University of Ottawa added (Synlett 2011, 1113) the 9-BBN adduct from 1 to 16 to give 17. Professors Ohmiya and Sawamura effected (Org. Lett. 2011, 13, 482) a similar conjugate addition, not illustrated, of 9-BBN adducts to α,β-unsaturated acyl imidazoles.
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