Particle & Particle Systems Characterization

Cover image for Vol. 30 Issue 2

February 2013

Volume 30, Issue 2

Pages 111–202

  1. Cover Picture

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    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. REVIEWS
    8. COMMUNICATIONS
    9. FULL PAPERS
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      Nanoparticles: Unconventional Non-Aqueous Emulsions for the Encapsulation of a Phototriggerable NO-Donor Complex in Polymer Nanoparticles (Part. Part. Syst. Charact. 2/2013) (page 111)

      Carmen Bohlender, Katharina Landfester, Daniel Crespy and Alexander Schiller

      Article first published online: 22 FEB 2013 | DOI: 10.1002/ppsc.201270001

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      A detailed preparation method, nanoparticle analysis, encapsulation of a ruthenium nitrosyl complex and light-induced NO release in a new type of non-aqueous inverse miniemulsion have been presented. It showcases interdisciplinary collaborative research from the Schiller laboratory (Friedrich Schiller University of Jena) and Daniel Crespy and Katharina Landfester from the Max Planck Institute for Polymer Research. Please note that the cover picture is an art piece and does not represent the nanoparticles generated in this study.

  2. Inside Front Cover

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      Nanoparticles: Molecular Self-Assembly of Multifunctional Nanoparticle Composites with Arbitrary Shapes and Functions: Challenges and Strategies (Part. Part. Syst. Charact. 2/2013) (page 112)

      Jin-Woo Kim and Russell Deaton

      Article first published online: 22 FEB 2013 | DOI: 10.1002/ppsc.201270002

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      Developments in the use of DNA, which is conjugated to nanoparticles, to self-assemble programmable and scalable multifunctional nanostructures with customized size, shape, and function have been reviewed by Jin-Woo Kim and Russell Deaton. The picture depicts a toolbox of various nanoparticle building blocks (“nanotoolbox”) that have DNA at defined locations and 3D orientations and are constructed by attaching DNA one at a time on a nanoparticle, and their promise to tune the geometric configurations and compositions, as well as the function of the assembly. (Artwork by Jeong-Min Lim)

  3. Back Cover

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      Multicore Capsules: Thermo-Stimulable Wax@Water@SiO2 Multicore-Shell Capsules (Part. Part. Syst. Charact. 2/2013) (page 204)

      Martin Depardieu, Maxime Nollet, Mathieu Destribats, Véronique Schmitt and Rénal Backov

      Article first published online: 22 FEB 2013 | DOI: 10.1002/ppsc.201270003

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      Using double emulsions combined with solgel chemistry, new multi-compartimented Wax/Water@SiO2 capsules have been synthesized, and are presented by Rénal Backov and co-workers. Their multi-compartmentalization allows the encapsulation of both hydrophilic and hydrophobic adjuvant, while a surrounding silica shell is offering confinement. The release of their contents is triggered by a thermal stimulus that swollen the wax through melting inducing thereby the rupture of the protecting silica shell.

  4. Masthead

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      Editorial Advisory Board: (Part. Part. Syst. Charact. 2/2013)

      Article first published online: 22 FEB 2013 | DOI: 10.1002/ppsc.201270004

  5. Contents

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. REVIEWS
    8. COMMUNICATIONS
    9. FULL PAPERS
    1. You have free access to this content
  6. REVIEWS

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    5. Masthead
    6. Contents
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    1. Molecular Self-Assembly of Multifunctional Nanoparticle Composites with Arbitrary Shapes and Functions: Challenges and Strategies (pages 117–132)

      Jin-Woo Kim and Russell Deaton

      Article first published online: 11 FEB 2013 | DOI: 10.1002/ppsc.201200129

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      DNA-Linked Nanoparticle Toolbox (“Nano-Toolbox”): A toolbox of various nanoparticle building blocks with DNA at defined locations and in defined 3D orientations on a nanoparticle promises not only complicated shapes, but also the ability to tune the function of the assembly. This review presents the challenges to self-assembly of programmable multifunctional nanostructures with DNA conjugated to nanoparticles, and approaches to overcome these hurdles by realizing greater control over the final shapes and functions of the self-assembled nanostructures.

  7. COMMUNICATIONS

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    9. FULL PAPERS
    1. Lubrication Properties of Phospholipid Liposome Coated Silk Microspheres (pages 133–137)

      Rubo Zheng, Jingjing Zhan, Xiaoqin Wang, David Kaplan, Noshir Pesika and Vijay T. John

      Article first published online: 25 JAN 2013 | DOI: 10.1002/ppsc.201200043

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      An aqueous liposome coated silk microsphere suspension is an effective lubricant, providing a low friction coefficient, minimizing surface wear, and avoiding degradation even over relatively prolonged cycling conditions. It is proposed that the lubricating properties of the silk microspheres are a result of an efficient rolling mechanism.

    2. Unconventional Non-Aqueous Emulsions for the Encapsulation of a Phototriggerable NO-Donor Complex in Polymer Nanoparticles (pages 138–142)

      Carmen Bohlender, Katharina Landfester, Daniel Crespy and Alexander Schiller

      Article first published online: 5 FEB 2013 | DOI: 10.1002/ppsc.201200067

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      A non-aqueous emulsion system with hexafluoroisopropanol (HFIP) provides nanoparticles from gelatin, polylactide, poly(vinyl formal), and poly(ethylene terephthalate). Poly(vinyl formal) particles can embed a ruthenium nitrosyl complex for phototriggered NO release.

    3. Formation of Graphene-Wrapped Nanocrystals at Room Temperature through the Colloidal Coagulation Effect (pages 143–147)

      Denghu Wei, Jianwen Liang, Yongchun Zhu, Zhengqiu Yuan, Na Li and Yitai Qian

      Article first published online: 8 FEB 2013 | DOI: 10.1002/ppsc.201200120

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      Graphene-wrapped metal oxide nanocrystals, such as Fe2O3, Co3O4, and SnO2, with well-controlled size, shape, and density, are fabricated through a mechanism analogous to the colloidal coagulation effect at room temperature. A simple extension of this method yields Fe2O3/graphene composite, which is used for Li storage.

  8. FULL PAPERS

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Back Cover
    5. Masthead
    6. Contents
    7. REVIEWS
    8. COMMUNICATIONS
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    1. Oxygenated Functional Group Density on Graphene Oxide: Its Effect on Cell Toxicity (pages 148–157)

      Soumen Das, Sanjay Singh, Virendra Singh, Daeha Joung, Janet M. Dowding, David Reid, Jordan Anderson, Lei Zhai, Saiful I. Khondaker, William T. Self and Sudipta Seal

      Article first published online: 25 JAN 2013 | DOI: 10.1002/ppsc.201200066

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      Functional group density on the surface of the GO/RGO sheets plays a key role in cell toxicity. It may be possible to reduce the toxicity of GO and RGO and allow their wide range potential in biomedical-applications by masking the oxygenated functional groups using a biocompatible polymer or manipulating the surface functional groups.

    2. Composite Cathodes Containing SWCNT@S Coaxial Nanocables: Facile Synthesis, Surface Modification, and Enhanced Performance for Li-Ion Storage (pages 158–165)

      Shu-Mao Zhang, Qiang Zhang, Jia-Qi Huang, Xiao-Fei Liu, Wancheng Zhu, Meng-Qiang Zhao, Wei-Zhong Qian and Fei Wei

      Article first published online: 5 FEB 2013 | DOI: 10.1002/ppsc.201200082

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      A composite cathode containing single-walled carbon nanotube (SWCNT)@S coaxial nanocables offers a first discharging capacity of 676 mAh g−1 at 0.5 C, which is much higher than those of multiwalled carbon nanotube@S cathode. Polyethylene glycol is introduced as a physical barrier to trap the highly polar polysulfide species and the modified cathode affords an initial capacity of 1005 mAh g−1 at 0.5 C.

    3. Poly-L-Arginine Grafted Silica Mesoporous Nanoparticles for Enhanced Cellular Uptake and their Application in DNA Delivery and Controlled Drug Release (pages 166–179)

      Mrityunjoy Kar, Neha Tiwari, Mitali Tiwari, Mayurika Lahiri and Sayam Sen Gupta

      Article first published online: 7 FEB 2013 | DOI: 10.1002/ppsc.201200089

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      Poly-L-arginine grafted mesoporous silica nanoparticles have been shown to be an efficient carrier for the transfection of DNA plasmid and the delivery of anti-cancer drug Doxorubicin into cancer cells.

    4. Correlation of Electronic and Magnetic Properties of Thin Polymer Layers with Cobalt Nanoparticles (pages 180–184)

      Andrej Kharchenko, Mikhail Lukashevich, Vladimir Popok, Rustam Khaibullin, Valerij Valeev, Valerij Bazarov, Oleg Petracic, Andreas Wieck and Vladimir Odzhaev

      Article first published online: 8 FEB 2013 | DOI: 10.1002/ppsc.201200042

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      Nanoparticles of cobalt are synthesized in shallow layers of polyimide using low-energy implantation of cobalt ions. Nucleation of individual particles and their percolation are crucial processes governing the electrical and magnetic properties of the metal/polymer nanocomposites. By tuning the implantation regimes magnetoresistance and transitions between the superparamagnetic and ferromagnenic behavior can be controlled.

    5. Thermo-Stimulable Wax@Water@SiO2 Multicore-Shell Capsules (pages 185–192)

      Martin Depardieu, Maxime Nollet, Mathieu Destribats, Véronique Schmitt and Rénal Backov

      Article first published online: 8 FEB 2013 | DOI: 10.1002/ppsc.201200069

      Thumbnail image of graphical abstract

      Thermoresponsive wax@water@SiO2 multicore capsules are synthesized by combining a sol-gel process and formulation of wax-in-water-in-oil double emulsions.

    6. Anisotropic Thermal Processing of Polymer Nanocomposites via the Photothermal Effect of Gold Nanorods (pages 193–202)

      Somsubhra Maity, Krystian A. Kozek, Wei-Chen Wu, Joseph B. Tracy, Jason R. Bochinski and Laura I. Clarke

      Article first published online: 12 FEB 2013 | DOI: 10.1002/ppsc.201200084

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      The polarization sensitivity of gold nanorods is used to anneal different parts of a nanofibrous composite system selectively via photothermal heating. This method results in anisotropic processing of the polymer composite which can be monitored using fluorescent probes.

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