Výsledky vyhledávání - "S J., Stewart"

Effect of nanostructured ferrites MFe2O4 (M= Cu, Co, Mg, Zn) on the thermal decomposition of ammonium nitrate

Autor: Luciana C. Juncal, C.E. Rodríguez Torres, A.F. Cabrera, S. J. Stewart, M. Meyer

Publikováno v: Applications in Energy and Combustion Science, Vol 6, Iss, Pp 100026-(2021)

Ammonium nitrate (NH4NO3) represents a cheap, chlorine-free alternative to ammonium perchlorate for use as an oxidant for solid propellants. But its poor ignitability and low burning rate are all disadvantages to achieve such purposes. For this reaso

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50552d8723400b15fbcda65e4f62e6b5
https://doi.org/10.1016/j.jaecs.2021.100026

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Design of magnetic hybrid nanostructured lipid carriers containing 1,8-cineole as delivery systems for anticancer drugs: Physicochemical and cytotoxic studies

Autor: German Abel Islan, A.F. Cabrera, N. Noacco, I O Perez De Berti, S. J. Stewart, Vera Alejandra Alvarez, M. García de Bravo, Nelson Durán, Guillermo R. Castro, Boris Rodenak-Kladniew

Publikováno v: Colloids and Surfaces B: Biointerfaces. 202:111710

The development of versatile carriers to deliver chemotherapeutic agents to specific targets with establishing drug release kinetics and minimum undesirable side effects is becoming a promising relevant tool in the medical field. Magnetic hybrid nano

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54db6b71c8e3dcba1a2f74563290d7ef
https://doi.org/10.1016/j.colsurfb.2021.111710

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Effect of activation atmosphere in the Fischer–Tropsch Synthesis using a 'quasi-model' catalyst of γ-Fe2O3 nanoparticles supported on SBA-15

Autor: Sergio Gustavo Marchetti, S. J. Stewart, Gina Pecchi, Jose Fernando Bengoa, Ignacio Omar Perez de Berti, M.V. Cagnoli

Publikováno v: Journal of Catalysis. 335:36-46

The effect of different activation atmospheres (CO:H2 or pure H2) on activity and selectivity of iron nanoparticles supported on SBA-15 in Fischer–Tropsch Synthesis, has been studied. To achieve this aim a new preparation method, using monodisperse

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f45252dec19bc87dc95abb700ce81206
https://doi.org/10.1016/j.jcat.2015.12.004

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Bi-Magnetic Iron(III) Oxide Nanocrystals Embedded in MCM-41 Mesoporous Silica

Autor: Jose Fernando Bengoa, A.F. Cabrera, Roberto C. Mercader, S. J. Stewart, Nicolás Antonio Fellenz, Sergio Gustavo Marchetti

Publikováno v: The Journal of Physical Chemistry C. 120:2993-3000

This is a study on the magnetism of a Fe2O3@MCM-41 composite made up of iron(III) oxide nanocrystals of average length size of 4 nm embedded in the channels of a MCM-41 mesoporous matrix. Through Mossbauer spectroscopy, X-ray absorption experiments a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::298cb659f5c6c9db9332a2630da36df5
https://doi.org/10.1021/acs.jpcc.5b10379

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Degradation of methylene blue dye under dark and visible light conditions in presence of hybrid composites of nanostructured MgFe2O4 ferrites and oxygenated organic compounds

Autor: Sergio Gustavo Marchetti, A.F. Cabrera, C.E. Rodríguez Torres, S. J. Stewart

Publikováno v: Journal of Environmental Chemical Engineering. 8:104274

Nanostructured MgFe2O4 ferrites of crystallite sizes 7−16 nm synthesized by either autocombustion or polymerization methods were employed as catalysts in the degradation of methylene blue (MB) dye under dark and light irradiation conditions. The Mg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0771f27fa5468ff2c7fe1d0d2c9e9ce7
https://doi.org/10.1016/j.jece.2020.104274

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Role of defects on the magnetic behaviour of the geometrically frustrated spinel ZnFe 2 O 4

Autor: P. Mendoza Zélis, S. J. Stewart, G. A. Pasquevich, C.E. Rodríguez Torres, K.L. Salcedo Rodríguez

Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

Defective zinc ferrites ZnFe$_2$O$_{4-δ}$ obtained by vacuum annealing bulk Zn-ferrite at different temperatures TAnn were investigated by using XANES at Zn-K, Fe-K and XMCD at Fe-L$_{2,3}$ edges, static and dynamic magnetic measurements. The cation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8480154b33c09fd9cdad83dda50a7e2
https://www.sciencedirect.com/science/article/pii/S0925838818314749?via=ihub

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First-in-human phase 1 study of margetuximab (MGAH22), an Fc-modified chimeric monoclonal antibody, in patients with HER2-positive advanced solid tumors

Autor: Gurunadh Reddy Chichili, H. Li, S. J. Stewart, Paul A. Moore, J. E. Baughman, H. A. Burris, Seock-Ah Im, Todd M. Bauer, Do Youn Oh, J. L. Nordstrom, R. J. Lechleider, Giuseppe Giaccone, S. Hong, Yung-Jue Bang

Background Margetuximab is an anti-HER2 antibody that binds with elevated affinity to both the lower and higher affinity forms of CD16A, an Fc-receptor important for antibody dependent cell-mediated cytotoxicity (ADCC) against tumor cells. A Phase 1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d09c7cc89aacf2085b26ef6c1e1490f6
https://europepmc.org/articles/PMC6246722/

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A comparative study of digoxigenin, 2,4-dinitrophenyl, and alkaline phosphatase as deoxyoligonucleotide labels in non-radioisotopic in situ hybridisation

Autor: J. H. Pringle, Tom Brown, A. S. J. Stewart, Elaine M. Bailey, Catherine M. McKeen, S. J. Harper, John Feehally

AIM: To determine the optimum form of labelling and the most efficient reporter molecule for non-radioisotopic in situ hybridisation (ISH). METHODS: Nine deoxyoligonucleotides complementary to histone mRNA were synthesised and labelled either enzymat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4eb3fdc89d96d6227c1462f3d5ebdac1
https://doi.org/10.1136/jcp.50.8.686

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Experimental and ab initio study of the hyperfine parameters of ZnFe2O4 with defects

Autor: C.E. Rodríguez Torres, Leonardo A. Errico, J.J. Melo Quintero, G. A. Pasquevich, P. Mendoza Zélis, S. J. Stewart, K.L. Salcedo Rodríguez

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

We present a combined Mossbauer and ab initio study on the influence of oxygen-vacancies on the hyperfine and magnetic properties of the ZnFe 2O4 spinel ferrite. Samples with different degree of oxygen-vacancies were obtained from zinc ferrite powder

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b22b9b9067aa9833d26d04d453d0862e
http://sedici.unlp.edu.ar/handle/10915/133618

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Changes on structural and magnetic properties of maghemite nanoparticles during their coverage with MCM-41

Autor: Jose Fernando Bengoa, S. J. Stewart, Nicolás Antonio Fellenz, Sergio Gustavo Marchetti, Ignacio Omar Perez de Berti, Analía L. Soldati

Publikováno v: RID-UNRN (UNRN)
Universidad Nacional de Río Negro
instacron:UNRN
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET

This work reports a simple synthesis of a mesoporous ordered silica structure (MCM-41) grown up around pre-synthesized maghemite nanoparticles. A composite with magnetic response and high specific surface area was obtained adding maghemite nanopartic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de299ba68fb6661fd7bd95a02145c8a7
https://rid.unrn.edu.ar/jspui/handle/20.500.12049/2637

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