Search Results - "SACHER, E"

Asymmetries in Transition Metal XPS Spectra: Metal Nanoparticle Structure, and Interaction with the Graphene-Structured Substrate Surface by Sacher, E

“…Transition-metal XPS spectra have traditionally been considered to possess a natural asymmetry, extending to the high-binding-energy side. This is based on the…”
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Confirmation of X-ray Photoelectron Spectroscopy Peak Attributions of Nanoparticulate Iron Oxides, Using Symmetric Peak Component Line Shapes by Poulin, S, França, R, Moreau-Bélanger, L, Sacher, E

“…We use high purity Fe oxide nanoparticles to confirm the Fe 2p X-ray photoemission peak attributions made in our previous study of Fe nanoparticles and the…”
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Bacteriophages: biosensing tools for multi-drug resistant pathogens by Tawil, N, Sacher, E, Mandeville, R, Meunier, M

“…Pathogen detection is of utmost importance in many sectors, such as in the food industry, environmental quality control, clinical diagnostics, bio-defence and…”
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X-ray photoelectron spectroscopic and morphologic studies of Ru nanoparticles deposited onto highly oriented pyrolytic graphite by Bavand, R., Yelon, A., Sacher, E.

“…•Ru nanoparticle 3d, 3p, and 3s core XPS spectra were found to be composed of three symmetric components. The first component, Ru1, is due to zerovalent R,…”
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Surface Diffusion and Coalescence of Mobile Metal Nanoparticles by José-Yacamán, M, Gutierrez-Wing, C, Miki, M, Yang, D.-Q, Piyakis, K. N, Sacher, E

“…The diffusion and coalescence of metal nanoparticles play important roles in many phenomena. Here, we offer a new integrated overview of the main factors that…”
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PtRu Alloy Nanoparticles. 2. Chemical and Electrochemical Surface Characterization for Methanol Oxidation by Bavand, R, Wei, Q, Zhang, G, Sun, S, Yelon, A, Sacher, E

“…Platinum–ruthenium (PtRu) nanoparticles (NPs) were evaporatively deposited in a 1:1 mass ratio onto carbon paper, using three different orders of deposition:…”
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PtRu Alloy Nanoparticles I. Physicochemical Characterizations of Structures Formed as a Function of the Type of Deposition and Their Evolutions on Annealing by Bavand, R, Korinek, A, Botton, G. A, Yelon, A, Sacher, E

“…We have physicochemically characterized the formation of PtRu nanoparticles, deposited by evaporation onto highly oriented pyrolytic graphite, using in situ…”
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XPS Demonstration of π−π Interaction between Benzyl Mercaptan and Multiwalled Carbon Nanotubes and Their Use in the Adhesion of Pt Nanoparticles by Yang, D.-Q, Hennequin, B, Sacher, E

“…We have carried out the functionalization of multiwalled carbon nanotubes (MWCNTs) via π−π interaction with benzyl mercaptan. The presence of noncovalently…”
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pH-Triggered Doxorubicin Delivery Based on Hollow Nanoporous Silica Nanoparticles with Free-Standing Superparamagnetic Fe3O4 Cores by Zhang, Xuefeng, Clime, Liviu, Roberge, Helene, Normandin, Francois, Yahia, L’H, Sacher, E, Veres, Teodor

“…Superparamagnetic core/shell nanoparticles, composed of a free-standing Fe3O4 magnetic core inside a hollow nanoporous silica shell, have been synthesized, and…”
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Template- and Surfactant-free Room Temperature Synthesis of Self-Assembled 3D Pt Nanoflowers from Single-Crystal Nanowires by Sun, S. H., Yang, D. Q., Villers, D., Zhang, G. X., Sacher, E., Dodelet, J. P.

“…3D Pt nanoflowers, which are composed of numerous single‐crystal nanowires, are successfully synthesized by a facile chemical procedure, at room temperature,…”
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Femtosecond laser ablation of gold in water: influence of the laser-produced plasma on the nanoparticle size distribution by SYLVESTRE, J.-P, KABASHIN, A. V, SACHER, E, MEUNIER, M

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Characterization and Oxidation of Fe Nanoparticles Deposited onto Highly Oriented Pyrolytic Graphite, Using X-ray Photoelectron Spectroscopy by Yang, D.-Q, Sacher, E

“…The characterization of Fe0 nanoparticles (NPs), both before and during oxidation, has been of concern for the last two decades. We have studied the 2p and 3p…”
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Nitric Oxide Delivery by Core/Shell Superparamagnetic Nanoparticle Vehicles with Enhanced Biocompatibility by Zhang, X. F, Mansouri, S, Mbeh, D. A, Yahia, L’H, Sacher, E, Veres, T

“…We report the synthesis of Fe3O4/silica core/shell nanoparticles and their functionalization with S-nitrosothiols. These nanoparticles are of immense interest…”
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Core–shell nanoparticles as prodrugs: Possible cytotoxicological and biomedical impacts of batch-to-batch inconsistencies by França, R., Zhang, X.-F., Veres, T., Yahia, L’H., Sacher, E.

“…[Display omitted] ► Magnetite@silica@silane NPs were formed and functionalized in solution. ► Surface analysis showed unexpected side-reactions. ►…”
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Multiacquisition Variable-Resonance Image Combination Magnetic Resonance Imaging to Study Detailed Bone Apposition and Fixation of Cementless Knee System Compared to Cemented Total Knee Replacements by Mosich, Gina M., Potter, Hollis G., Koff, Matthew F., Sacher, Sara E., Mishu, Mithun, Westrich, Geoffrey H.

“…The ability to utilize magnetic resonance imaging (MRI) to assess bony fixation may allow a better understanding of implant design and longevity. A new…”
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In vitro biocompatibility assessment of functionalized magnetite nanoparticles: Biological and cytotoxicological effects by Mbeh, D. A., França, R., Merhi, Y., Zhang, X. F., Veres, T., Sacher, E., Yahia, L.

“…In the biomedical field, nanomaterials have the potential for use in the targeted delivery of drugs in the human body and in the diagnosis and therapy of…”
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Stabilization of platinum nanoparticles on graphene by non-invasive functionalization by Rochefort, A., Yang, D.-Q., Sacher, E.

“…We have performed DFT–LDA calculations on the interaction of graphene with benzyl mercaptan, and on the role of the mercaptan in the adhesion of Pt…”
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Comment on “Intensity modulation of the Shirley background of the Cr3p spectra with photon energies around the Cr2p edge”, by A Herrera‐Gomez, D Cabrera‐German, A D Dutol et al, Surface Interface Anal, 2018;50:246‐252 by Bavand, R., Chen, L., França, R., Loran, S., Yang, D.‐Q., Yelon, A., Zhang, G.‐X., Sacher, E.

“…We show that, while the Shirley background lacks a theoretical basis, its use satisfies the condition for the proper modeling of all these backgrounds when…”
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Protein Corona Formation on Magnetite Nanoparticles: Effects of Culture Medium Composition, and Its Consequences on Superparamagnetic Nanoparticle Cytotoxicity by Mbeh, D A, Javanbakht, T, Tabet, L, Merhi, Y, Maghni, K, Sacher, E, Yahia, L H

“…The physicochemical properties and potential cytotoxicity of nanoparticles (NPs) are significantly influenced by their inter- action with proteins, which…”
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s–p Hybridization in highly oriented pyrolytic graphite and its change on surface modification, as studied by X-ray photoelectron and Raman spectroscopies by Yang, D.-Q, Sacher, E

“…X-ray photoelectron and confocal Raman spectroscopies have been used to study the highly oriented pyrolytic graphite (HOPG) surface before and after Ar +…”
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