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1.876 Aktuelle Fachpublikationen zum Thema temperature

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Molecular Dynamics Studies of the size and temperature dependence of the Kinetics of Freezing of Fe Nanoparticles

16.09.2013 | Author(s): Bo Zhao , Jinfan Huang , Lawrence S. Bartell, Journal of Solid State Chemistry, 2013

Publication date: Available online 15 September 2013 Source:Journal of Solid State Chemistry Author(s): Bo Zhao , Jinfan Huang , Lawrence S. Bartell Molecular dynamics (MD) computer simulations have been carried out and a novel modified technique of Voronoi polyhedra has been performed ...

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Dual luminescent arrays sensor fabricated by inkjet-printing of pressure- and temperature-sensitive paints

16.09.2013 | Author(s): Tomohiro Kameya , Yu Matsuda , Yasuhiro Egami , Hiroki Yamaguchi , Tomohide Niimi, Sensors and Actuators B: Chemical, 2013

Publication date: January 2014 Source:Sensors and Actuators B: Chemical, Volume 190 Author(s): Tomohiro Kameya , Yu Matsuda , Yasuhiro Egami , Hiroki Yamaguchi , Tomohide Niimi A novel dual luminescent sensor, which consists of discrete dot arrays of pressure- and temperature-sensitive ...

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Trapping of Metal Atoms on Nanoprotrusions of Carbon Nanotubes

13.09.2013 | Lidong Shao, Wei Zhang, Luise Theil Kuhn, Advanced Engineering Materials, 2013

Nanoprotrusions on CNTs are engineered using conventional lab treatments at a low temperature. The experimental set‐up of applying a mild acid treatment with sonication and base washing is based on the development of introduced defects and vacancies. Compared with previous reports realizing ...

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Electroless Deposition of Platinum Nanoparticles in Room-Temperature Ionic Liquids

13.09.2013 | Da Zhang; Takeyoshi Okajima; Dalin Lu; Takeo Ohsaka, Langmuir, 2013

The electroless deposition of Pt nanoparticles (Pt-NPs) could be carried out by dissolving potassium tetrachloroplatinate(II) (K2[PtCl4]) in 1-ethyl-3-methylimidazolium (EMI+) room-temperature ionic liquids (RTILs) containing bis(trifluoromethylsulfonyl) imide (NTf2–) or tetrafluoroborate (BF4–) ...

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A Au-functionalized ZnO nanowire gas sensor for detection of benzene and toluene

11.09.2013 | Liwei Wang; Shurong Wang; Mijuan Xu; Xiaojing Hu; Hongxin Zhang; Yanshuang Wang; Weiping Huang, Physical Chemistry Chemical Physics, 2013

A novel sensing hybrid-material of Au nanoparticles (Au NPs)-functionalized ZnO nanowires (Au–ZnO NWs) was successfully synthesized by a two-stage solution process. First, ZnO NWs were fabricated via a low-temperature one-pot hydrothermal method with SDSN introduced as a structure-directing ...

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New Insights into the SnO2 Sensing Mechanism Based on the Properties of Shape Controlled Tin Oxide Nanoparticles

09.09.2013 | Massimiliano D’Arienzo; Davide Cristofori; Roberto Scotti; Franca Morazzoni, Chemistry of Materials, 2013

We report on the sensing behavior of SnO2 shape controlled nanocrystals in order to evaluate the role of their exposed crystal surfaces in the sensing mechanism. Octahedral (OCT), elongated dodecahedral (DOD), and nanobar shaped (NBA) nanocrystals were synthesized by previously reported ...

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Nanoreactors for Simultaneous Remote Thermal Activation and Optical Monitoring of Chemical Reactions

09.09.2013 | Carmen Vázquez-Vázquez; Belén Vaz; Vincenzo Giannini; Moisés Pérez-Lorenzo; Ramon A. Alvarez-Puebla; Miguel A. Corre ..., Journal of the American Chemical Society, 2013

We report herein the design of plasmonic hollow nanoreactors capable of concentrating light at the nanometer scale for the simultaneous performance and optical monitoring of thermally activated reactions. These reactors feature the encapsulation of plasmonic nanoparticles on the inner walls of a ...

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Development and in vitro Evaluation of Antigen‐Loaded Poly(amidoamine) Nanoparticles for Respiratory Epithelium Applications

05.09.2013 | Grégory Coué, Iris Hermanns, Ronald E. Unger, C. James Kirkpatrick, Johan F. J. Engbersen, ChemMedChem, 2013

Abstract A poly(amidoamine) with disulfide linkages in the main chain and 4‐hydroxybutyl and ω‐carboxy‐PEG groups (9:1 ratio) as side chains was prepared by Michael addition polymerization of cystamine bisacrylamide with 4‐hydroxybutylamine and ω‐carboxy‐PEG‐amine. To develop therapeutic ...

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A Sinter-Resistant Catalytic System Fabricated by Maneuvering the Selectivity of SiO2 Deposition onto the TiO2 Surface versus the Pt Nanoparticle Surface

04.09.2013 | Ping Lu; Charles T. Campbell; Younan Xia, Nano Letters, 2013

A triphasic catalytic system (Pt/TiO2–SiO2) with an “islands in the sea” configuration was fabricated by controlling the selectivity of SiO2 deposition onto the surface of TiO2 versus the surface of Pt nanoparticles. The Pt surface was exposed, while the nanoparticles were supported on TiO2 and ...

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DNA Release: Sharpening the Thermal Release of DNA from Nanoparticles: Towards a Sequential Release Strategy (Small 17/2013)

03.09.2013 | Julián A. Díaz, Julianne M. Gibbs‐Davis, Small, 2013

Two branched DNA structures with different stabilities are hybridized with DNA‐modified gold nanoparticles. As J. A. Díaz and J. M. Gibbs‐Davis report on page 2862, in contrast to linear DNA, these branched DNA structures dissociate over a narrow temperature window. Consequently, the less ...

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