ChemPlusChem

Cover image for Vol. 79 Issue 12

December 2014

Volume 79, Issue 12

Pages 1657–1798

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Communications
    8. Full Papers
    1. You have free access to this content
      Cover Picture: ZnO Rhombic Sheets of Highly Crystalline Particles and Their Composite with Ag2O toward Efficient Photocatalysis (ChemPlusChem 12/2014) (page 1657)

      Xiaobin Dong, Prof. Ping Yang, Junpeng Wang and Prof. Baibiao Huang

      Article first published online: 16 OCT 2014 | DOI: 10.1002/cplu.201402306

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      The cover picture shows the photocatalytic effect of Ag2O/ZnO composites for the photocatalytic degradation of methyl orange. As seen from the picture, rhombic sheets consist of highly crystalline ZnO particles decorated with Ag2O nanoparticles. Owing to the unique rhombic structure of ZnO and the formation of type-II p–n heterojunctions between the two oxides, the composites exhibit excellent photocatalytic activity for the decomposition of pollutants under ultraviolet and visible-light irradiation as described in the Full Paper by P. Yang et al. on page 1681.

  2. Cover Profile

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Communications
    8. Full Papers
    1. You have free access to this content
      ZnO Rhombic Sheets of Highly Crystalline Particles and Their Composite with Ag2O toward Efficient Photocatalysis (page 1658)

      Xiaobin Dong, Prof. Ping Yang, Junpeng Wang and Prof. Baibiao Huang

      Article first published online: 24 OCT 2014 | DOI: 10.1002/cplu.201402305

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      “The research interests of our group mainly concentrate on the fabrication of nanomaterials and their composites, especially of luminescent nanocrystals, magnetic nanocrystals, noble metal nanocrystals, as well as their applications in biological and medical science.” This and more about the story behind the cover in the Cover Profile and about the research itself on page 1681.

  3. Graphical Abstract

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Communications
    8. Full Papers
    1. Graphical Abstract: ChemPlusChem 12/2014 (pages 1659–1664)

      Article first published online: 27 NOV 2014 | DOI: 10.1002/cplu.201490031

  4. News

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Communications
    8. Full Papers
  5. Masthead

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Communications
    8. Full Papers
    1. Masthead: ChemPlusChem 12/2014 (page 1670)

      Article first published online: 27 NOV 2014 | DOI: 10.1002/cplu.201490032

  6. Communications

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Communications
    8. Full Papers
    1. Enhanced Penetration of Silver Nanocomposite Assemblies into Dentine Using Iontophoresis: Toward the Treatment of Dental Caries (pages 1671–1675)

      Dr. Donald R. Schwass and Dr. Carla J. Meledandri

      Article first published online: 19 AUG 2014 | DOI: 10.1002/cplu.201402132

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      A silver bullet? A simple but effective electrophoretic method has been developed for the enhanced delivery and retention of antibacterial silver nanoparticle-based materials to dentine tubules (see figure). This innovative approach may lead to more successful management of tooth decay, without the corresponding staining effects caused through the use of silver compounds.

    2. A Selective and Sensitive Phenanthroimidazole-Based “Reactive” Ratiometric Sensor for Recognition of Hg2+ Ions in Aqueous Solution (pages 1676–1680)

      Dr. Yuanyuan Yan, Rui Zhang, Xiang Yu and Prof. Dr. Hui Xu

      Article first published online: 31 OCT 2014 | DOI: 10.1002/cplu.201402266

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      The right ratio: A phenanthroimidazole-based ratiometric fluorescent probe has been developed for detection of Hg2+ ions (see scheme). The reactive stoichiometry of the probe with Hg2+ ion was 2:1. Its selectivity toward Hg2+ ion was high, and showed minimal interference from other commonly coexistent metal ions. The probe could be used to detect Hg2+ ion concentrations over a wide pH range.

  7. Full Papers

    1. Top of page
    2. Cover Picture
    3. Cover Profile
    4. Graphical Abstract
    5. News
    6. Masthead
    7. Communications
    8. Full Papers
    1. ZnO Rhombic Sheets of Highly Crystalline Particles and Their Composite with Ag2O toward Efficient Photocatalysis (pages 1681–1690)

      Xiaobin Dong, Prof. Ping Yang, Junpeng Wang and Prof. Baibiao Huang

      Article first published online: 22 SEP 2014 | DOI: 10.1002/cplu.201402182

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      Between the sheets: Rhombic ZnO sheets decorated with Ag2O nanoparticles consist of highly crystalline particles and through holes (see figure). Owing to the unique structure of ZnO and the formation of type-II p–n heterojunctions, the Ag2O/ZnO composite exhibits excellent photocatalytic activity for the degradation of methyl orange and 2,4-dichlorophenol.

    2. Metal(II)–Organic Coordination Polymers Modulated by Two Isomeric Semirigid Bis-Pyridyl–Bis-Amide Ligands: Structures, Fluorescent Sensing Behavior, and Selective Photocatalysis (pages 1691–1702)

      Prof. Xiu-Li Wang, Jian Luan, Hong-Yan Lin, Prof. Qi-Lin Lu, Mao Le, Guo-Cheng Liu and Ji-Yan Shao

      Article first published online: 1 SEP 2014 | DOI: 10.1002/cplu.201402193

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      Multidimensional: A series of multifunctional metal–organic coordination polymers based on two isomeric semirigid bis-pyridyl–bis-amide ligands and 5-methylisophthalate have been synthesized (see figure). The complexes display versatile coordination features with 1D, 2D, and 3D frameworks. The fluorescent sensing behaviors and the electrochemical and photocatalytic properties of the complexes have been investigated in detail.

    3. Methoxyphenol and Dihydrobenzofuran as Oxidizable Labels for Electrochemical Detection of DNA (pages 1703–1712)

      Anna Simonova, Jana Balintová, Dr. Radek Pohl, Luděk Havran, Prof. Dr. Miroslav Fojta and Prof. Dr. Michal Hocek

      Article first published online: 9 SEP 2014 | DOI: 10.1002/cplu.201402194

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      Clearly labeled: 4-Hydroxy-3-methoxyphenyl (MOP) and 2,3-dihydrobenzofuran-5-yl (DHB) groups have been developed as new oxidizable labels for the electrochemical detection of DNA and for redox coding of nucleotides (see figure). MOP offers independent detection of the modified DNA.

    4. Flexible Coaxial Nanofibers: A Strategy to Realize Tunable and Enhanced Magnetic-Luminescent Bifunctionality (pages 1713–1719)

      Fei Bi, Prof. Xiangting Dong, Jinxian Wang and Guixia Liu

      Article first published online: 11 SEP 2014 | DOI: 10.1002/cplu.201402128

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      Coaxial electrospinning: A new flexible nanostructure of [CoFe2O4/PVP]@[YAG:7 %Tb3+/PVP] magnetic-luminescent bifunctional coaxial nanofibers has been fabricated through electrospinning technology using a homemade coaxial spinneret. The coaxial nanofibers simultaneously possess superior magnetic and luminescent properties owing to the isolation of the YAG:7 %Tb3+ luminescent nanofibers from the CoFe2O4 magnetic nanofibers (see figure).

    5. Oxygen Permeation Improvement under CO2-Rich Environments through Catalytic Activation of Hierarchically Structured Perovskite Membranes (pages 1720–1725)

      Dr. Cyril Gaudillere, Julio Garcia-Fayos and Prof. José M. Serra

      Article first published online: 11 SEP 2014 | DOI: 10.1002/cplu.201402142

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      Surface modification: Oxygen permeation through a highly porous La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF) freeze-cast asymmetric membrane is strongly enhanced through catalytic surface functionalization. Under CO2-free operation, the beneficial effect of the catalyst is mostly observed in the low-temperature region, in which gas exchange is a limiting step and the porous LSCF coating increases the number of active sites available (see figure).

    6. Synthesis and Visible-Light Photocatalytic Performance of Cadmium Sulfide and Oxide Hexagonal Nanoplates (pages 1726–1732)

      Dr. Di Lang, Prof. Fan Liu, Prof. Guohong Qiu, Prof. Xionghan Feng and Dr. Quanjun Xiang

      Article first published online: 15 SEP 2014 | DOI: 10.1002/cplu.201402220

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      Controlled growth: Hexagonal nanoplates of CdS and CdO (see figure) were fabricated by a simple ion-exchange strategy and thermal treatment process by using morphology-analogous Cd(OH)2 as precursors. The CdS nanoplates exhibited enhanced visible-light photocatalytic degradation properties and photocatalytic hydrogen production activity.

    7. In Situ Synthesised Silver Nanoparticle-Infused L-Lysine-Based Injectable Hydrogel: Development of a Biocompatible, Antibacterial, Soft Nanocomposite (pages 1733–1746)

      Subhra Kanti Mandal, Sayanti Brahmachari and Prof. Prasanta Kumar Das

      Article first published online: 15 SEP 2014 | DOI: 10.1002/cplu.201402269

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      Antibacterial gels: Naphthalene-containing L-lysine-based amphiphilic hydrogelator is exploited for the in situ synthesis of silver nanoparticles (AgNPs) under sunlight in the absence of an external reducing and/or stabilizing agent. The AgNP–gel nanocomposite exhibits thixotropic properties, which make it suitable as a syringe-injectable hydrogel (see figure). The soft nanocomposite surface exhibits antibacterial activity and biocompatibility to mammalian cells.

    8. Comparative Analysis of the Olfactory Properties of Silicon/Germanium/Tin Analogues of the Lily-of-the-Valley Odorants Lilial and Bourgeonal (pages 1747–1752)

      Dr. Steffen Dörrich, Dr. Lian Gelis, Dr. Steffen Wolf, Dr. Astrid Sunderkötter, Christoph Mahler, Dr. Elena Guschina, Prof. Dr. Reinhold Tacke, Prof. Dr. Hanns Hatt and Dr. Philip Kraft

      Article first published online: 18 SEP 2014 | DOI: 10.1002/cplu.201402160

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      What's in a scent? Silicon/germanium/tin analogues of lilial and bourgeonal are synthesized and characterized for their olfactory properties (see scheme). A HEK293 cell line with stable expression of hOR17-4 is used to analyze recombinant hOR17-4 activation by the respective analogues. This C/Si/Ge/Sn switch strategy is a powerful tool to extend our knowledge of structure–odor correlations in the family of lily-of-the-valley odorants.

    9. Magnetic Fe3O4 Nanoparticle-Supported Phosphotungstic Acid as a Recyclable Catalyst for the Kabachnik–Fields Reaction of Isatins, Imines, and Aldehydes under Solvent-Free Conditions (pages 1753–1760)

      Mohd Nazish, S. Saravanan, Dr. Noor-ul H. Khan, Prathibha Kumari, Dr. Rukhsana I. Kureshy, Dr. Sayed H. R. Abdi and Dr. Hari C. Bajaj

      Article first published online: 22 SEP 2014 | DOI: 10.1002/cplu.201402191

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      A neat idea: The present study describes the catalytic efficiency of a magnetic-particle-supported heteropoly acid for the C[BOND]P bond-formation reaction. The catalyst worked very well under solvent-free conditions for a wide range of substrates and resulted in good to excellent yields of desired products like α-hydroxy and α-amino phosphonates (see figure). This catalytic protocol is simple, green, efficient, and recyclable.

    10. A Fluorescence Switch for the Detection of Nitric Oxide and Histidine and Its Application in Live Cell Imaging (pages 1761–1766)

      Dr. Gandhi Sivaraman, Thangaraj Anand and Prof. Dr. Duraisamy Chellappa

      Article first published online: 26 SEP 2014 | DOI: 10.1002/cplu.201402217

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      Let there be light: A rhodamine-based copper complex as a selective, sensitive turn-on fluorescent chemosensor for nitric oxide/histidine has been developed (see scheme). The probe displayed a fast and selective response to NO over other biologically active oxygen and nitrogen species. The mechanism was studied and the viability of the probe for fluorescent imaging of nitric oxide and histidine in living cells was demonstrated.

    11. Poly(vinylpyridine)-Grafted Silica Containing Palladium or Nickel Nanoparticles as Heterogeneous Catalysts for the Sonogashira Coupling Reaction (pages 1767–1773)

      Dr. Fatemeh Farjadian and Prof. Bahman Tamami

      Article first published online: 2 OCT 2014 | DOI: 10.1002/cplu.201402169

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      Offering support: Catalytic systems based on palladium and nickel nanoparticles supported on poly(4-vinylpyridine) (P4VPy)-grafted silica for efficient use in Sonogashira reactions have been prepared (see figure). These heterogeneous catalysts exhibit excellent activity under amine- and phosphine-free conditions. The Ni catalyst can be an inexpensive alternative to Pd catalysts.

    12. Reduced Graphene Oxide Nanosheets Decorated with Au Nanoparticles as an Effective Bactericide: Investigation of Biocompatibility and Leakage of Sugars and Proteins (pages 1774–1784)

      Najrul Hussain, Animesh Gogoi, Rupak K. Sarma, Ponchami Sharma, Dr. Alexandre Barras, Dr. Rabah Boukherroub, Dr. Ratul Saikia, Dr. Pinaki Sengupta and Dr. Manash R. Das

      Article first published online: 2 OCT 2014 | DOI: 10.1002/cplu.201402240

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      Antibacterial activity: Gold nanoparticle/reduced graphene oxide composites are synthesized through an ecofriendly synthesis route and their biocompatibility to cervix carcinoma, human (HeLa) cells, and antibacterial activity against Gram-positive (Staphylococcus aureus and Bacillus subtilis) and Gram-negative bacteria (Escherichia coli and Pseudomonous aeruginosa) are investigated (see figure).

    13. Colloidal Synthesis and Photocatalytic Performance of Size-Controllable Solid or Hollow CuInSe2 Nanocrystals (pages 1785–1793)

      Dr. Pengtao Sheng, Dr. Weili Li, Xin Wang, Xi Tong and Prof. Dr. Qingyun Cai

      Article first published online: 21 OCT 2014 | DOI: 10.1002/cplu.201402161

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      Built up to be knocked down: A construction–disintegration process is presented to understand the formation of small CuInSe2 nanocrystals. Size-tunable and uniform solid/hollow spherical nanocrystals (or mixture) and quantum dots can be easily obtained by carefully controlling the experimental conditions (see picture, scale bar is 50 nm). The structure-dependent photocatalytic activity was confirmed with TiO2 nanotube array based photoelectrodes.

    14. Microemulsion-Assisted Synthesis of Nanosized Li[BOND]Mn[BOND]O Spinel Cathodes for High-Rate Lithium-Ion Batteries (pages 1794–1798)

      Dr. Xianhong Rui, Dr. Wenping Sun, Prof. Qingyu Yan, Dr. Tuti Mariana Lim and Prof. Maria Skyllas–Kazacos

      Article first published online: 27 OCT 2014 | DOI: 10.1002/cplu.201402267

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      Window shopping: Nano-sized lithium-rich spinel Li1.16Mn1.84O4 cathodes (50–90 nm) prepared by microemulsion-assisted method show excellent Li storage properties in terms of high-C-rate performance and cycling stability in the voltage windows of 3.0–4.5 V and 2.0–4.5 V.

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