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Imaging Fluorescent Nanoparticles To Probe Photoinduced Charging of a Semiconductor–Solution Interface

12-09-2013 | Eric M. Peterson; Joel M. Harris, Langmuir, 2013

Optically transparent semiconductors allow simultaneous control of interfacial electrical potential and spectroscopic observation of chemistry near the electrode surface. Care must be taken, however, to avoid unwanted photoexcitation-induced charging of the semiconductor electrode that could ...

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Energies, Vol. 6, Pages 4830-4840: Electrostatic Self-Assembly of Fe3O4 Nanoparticles on Graphene Oxides for High Capacity Lithium-Ion Battery Anodes

12-09-2013 | Yoon, Taegyune ; Kim, Jaegyeong ; Kim, Jinku ; Lee, Jung Kyoo, Energies, 2013

Magnetite, Fe3O4, is a promising anode material for lithium ion batteries due to its high theoretical capacity (924 mA h g−1), high density, low cost and low toxicity. However, its application as high capacity anodes is still hampered by poor cycling performance. To stabilize the cycling ...

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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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Promoting H2 generation from the reaction of Mg nanoparticles and water using cations

11-09-2013 | Jie Zheng; DengChen Yang; Wei Li; He Fu; Xingguo Li, Chemical Communication, 2013

H2 generation from the reaction between Mg nanoparticles and water can be significantly promoted by low cost chlorides. The promotion effect exhibits strong correlation with the OH− affinity of the corresponding cation. This interesting observation offers a simple and effective solution to ...

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riDOM, a Cell-Penetrating Peptide. Interaction with DNA and Heparan Sulfate

09-09-2013 | Gabriela Québatte; Eric Kitas; Joachim Seelig, Journal of Physical Chemistry B, 2013

DNA condensation in the presence of polycationic molecules is a well-known phenomenon exploited in gene delivery. riDOM (retro-inverso dioleoylmelittin) is a cell-penetrating peptide with excellent transporter properties for DNA. It is a chimeric molecule where ri-melittin is fused to ...

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Simultaneous separation and determination of five organic acids in beverages and fruits by capillary electrophoresis using diamino moiety functionalized silica nanoparticles as pseudostationary phase

09-09-2013 | Author(s): Feng-Jie Liu , Guo-Sheng Ding , An-Na Tang, Food Chemistry, 2013

Publication date: 15 February 2014 Source:Food Chemistry, Volume 145 Author(s): Feng-Jie Liu , Guo-Sheng Ding , An-Na Tang A kind of novel diamino moiety functionalized silica nanoparticles with the diameter of ∼110nm was successfully prepared and characterised by transmission electron ...

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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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Solution Phase and Nanoparticular Biosynthetically Inspired Interconnections in the Canthin‐6‐one β‐Carboline Series and Study of Phenotypic Properties on C. elegans (Eur. J. Org. Chem. 26/2013)

04-09-2013 | Gerardo Cebrián‐Torrejón, Nicolas Mackiewicz, Rafael P. Vázquez‐Manrique, Alain Fournet, Bruno Figadère, Julien Nico ..., European Journal of Organic Chemistry, 2013

The cover picture shows an intricate combination of elements tracing the different aspects of the paper by E. Poupon et al. Leaves and fruits of Zanthoxylum chiloperone var. angustifolium, a tree growing in Paraguay from which the alkaloid canthin‐6‐one is extracted, appear in the background ...

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Size control of monodisperse Au nanoparticles synthesized via citrate reduction process associated with a pH-shifting procedure

04-09-2013 | Fumiyuki Shiba, CrystEngComm, 2013

This report proposes a procedure to synthesize monodisperse Au nanoparticles of different mean sizes (6 − 15 nm) under a constitute reaction condition only by altering the interval time between additions of citric acid and NaOH solutions into boiling HAuCl4 solution without any growth modifiers.

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Paramagnetic, Near‐Infrared Fluorescent Mn‐Doped PbS Colloidal Nanocrystals

03-09-2013 | Lyudmila Turyanska, Fabrizio Moro, Andrew N. Knott, Michael W. Fay, Tracey D. Bradshaw, Amalia Patanè, Particle & Particle Systems Characterization, 2013

Mn‐doped PbS colloidal nanocrystals in aqueous solution are paramagnetic and optically active in the technologically important biological window between 1.2 and 0.8 μm. Cytoxicity studies show that exposure of human cell lines to the nanoparticles at concentrations up to 0.2 mg mL−1 does not ...

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