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Cover image for Vol. 81 Issue 4

Early View (Online Version of Record published before inclusion in an issue)

Editor: Marisa Spiniello

Impact Factor: 3.026

ISI Journal Citation Reports © Ranking: 2014: 44/157 (Chemistry Multidisciplinary)

Online ISSN: 2192-6506

Associated Title(s): Angewandte Chemie International Edition, Chemistry - A European Journal

VIEW

  1. 1 - 27
  1. Full Papers

    1. A Threefold Interpenetrated Pillared-Layer Metal–Organic Framework for Selective Separation of C2H2/CH4 and CO2/CH4

      Osamah Alduhaish, Dr. Hailong Wang, Dr. Bin Li, Dr. Hadi D. Arman, Prof. Dr. Vladimir Nesterov, Prof. Dr. Khalid Alfooty and Prof. Dr. Banglin Chen

      Article first published online: 27 APR 2016 | DOI: 10.1002/cplu.201600088

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      Trapped wind: A new threefold interpenetrated pillared-layer microporous metal–organic framework, [Zn2(cca)2(4-bpdb)]n(DMF)2n (UTSA-85) (H2cca= 4-carboxycinnamic acid, 4-bpdb=1,4-bis(4-pyridyl)-2,3-diaza-1,3-butadiene, and DMF=N,N-dimethylformamide), is described. The desolvated framework, UTSA-85 a, exhibits high selectivity for C2H2/CH4 separation as a result of the microporous structure and functional azine-groups decorating the pore channels (see figure).

    2. Synthesis, Characterization, and Luminescence Modulation of a Metal–Organic Framework Based on a Cyclotriphosphazene-Functionalized Multicarboxylate Ligand

      Yajing Ling, Huiming Liu, Jingjing Jiao, Yunlong Feng and Yabing He

      Article first published online: 21 APR 2016 | DOI: 10.1002/cplu.201600129

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      Pack it in! An anionic three-dimensional metal–organic framework based on a novel cyclotriphosphazene-functionalized multicarboxylate exhibits luminescence response to different metal ions (see figure).

  2. Communications

    1. Liquid-Phase Epitaxially Grown Metal–Organic Framework Thin Films for Efficient Tandem Catalysis Through Site-Isolation of Catalytic Centers

      Dr. M. Hassan Beyzavi, Dr. Nicolaas A. Vermeulen, Dr. Kainan Zhang, Prof. Monica So, Chung-Wei Kung, Prof. Joseph T. Hupp and Prof. Omar K. Farha

      Article first published online: 13 APR 2016 | DOI: 10.1002/cplu.201600046

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      Tandem catalysis: A tandem epoxidation/CO2 insertion is shown in a metal–organic framework, composed of two Mn-porphyrin units, which catalyze the epoxidation of an olefin substrate, and a Zn-porphyrin, which catalyzes the epoxide-opening reaction (see figure). A film of this MOF constructed in layer-by-layer fashion is more catalytically active than the bulk prepared crystalline MOF.

  3. Full Papers

    1. Ionic-Liquid-Functionalized Copper Oxide Nanorods for Photocatalytic Splitting of Water

      Rashi Gusain, Nikita Singhal, Raghuvir Singh, Dr. Umesh Kumar and Dr. Om P. Khatri

      Article first published online: 13 APR 2016 | DOI: 10.1002/cplu.201600047

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      Splitting without sacrifice: Thin films of imidazolium ionic liquids with bis(salicylato)borate and hexafluorophosphate anions are grafted onto CuO nanorods. The ionic-liquid-functionalized CuO (CuO−IL) nanorods are efficient photocatalysts for the splitting of water under visible-light irradiation (see figure). The CuO−IL nanorods are efficient water-splitting photocatalysts without using any sacrificial agent.

    2. Panchromatic π-Extended Porphyrins from Conjugation with Quinones

      Dr. Srinivas Banala, Dr. Klaus Wurst and Prof. Dr. Bernhard Kräutler

      Article first published online: 6 APR 2016 | DOI: 10.1002/cplu.201600115

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      The new black: The synthesis and structural and spectroscopic studies of metal-free and NiII-containing quinonoporphyrins expand the set of “black” porphyrins. Such π-extended porphyrins are pigments of interest for solar energy conversion, and are building blocks for synthesis of covalent supra-porphyrinoid assemblies that might contribute to advances in optoelectronics and in the nanosciences.

    3. Highly Loaded Multi-Walled Carbon Nanotubes Non-Covalently Modified with a Bis-Imidazolium Salt and their Use as Catalyst Supports

      Dr. Anna Maria Pia Salvo, Dr. Valeria La Parola, Dr. Leonarda F. Liotta, Dr. Francesco Giacalone and Prof. Michelangelo Gruttadauria

      Article first published online: 5 APR 2016 | DOI: 10.1002/cplu.201600023

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      Two birds with one stone: A molecule has been synthesised with two pyrenyl and two imidazolium moieties, which anchored the catalyst tetrachloropalladate to multi-walled carbon nanotubes with high loading. Such noncovalently modified materials could be used up to five times in the Suzuki–Miyaura reaction (see scheme).

  4. Cover Profiles

    1. Ultrabright Lanthanide Nanoparticles

      Joan Goetz, Dr. Aline Nonat, Abdoulaye Diallo, Mohamadou Sy, Ildan Sera, Alexandre Lecointre, Dr. Christophe Lefevre, Chi Fai Chan, Dr. Ka-Leung Wong and Dr. Loïc J. Charbonnière

      Article first published online: 5 APR 2016 | DOI: 10.1002/cplu.201600117

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      “… We look at very fundamental issues and create new chemical tools that in turn motivate further experiments …” Read more about the story behind the cover in the Cover Profile and about the research itself (DOI: 10.1002/cplu.201600007).

  5. Minireviews

    1. Chalcogenide and Phosphide Solid-State Electrocatalysts for Hydrogen Generation

      Bo You and Yujie Sun

      Article first published online: 1 APR 2016 | DOI: 10.1002/cplu.201600029

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      The way to H2: Clean H2 generation from water catalyzed by efficient, robust, and cheap transition-metal chalcogenides and phosphides has attracted intense interest of late (see figure). This Minireview highlights the current status of these two categories of electrocatalyst for H2 evolution, starting with an introduction to the fundamental concepts and concluding with our perspective on the challenges and future opportunities in this vibrant field.

  6. Full Papers

    1. Two Six-Connected MOFs with Distinct Architecture: Synthesis, Structure, Adsorption, and Magnetic Properties

      Guo-Jian Ren, Dr. Song-De Han, Yan-Qing Liu, Prof. Dr. Tong-Liang Hu and Prof. Dr. Xian-He Bu

      Article first published online: 1 APR 2016 | DOI: 10.1002/cplu.201600092

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      Well connected: Two unusual six-connected metal–organic frameworks were constructed by assembling CoII ions, 5-(4-pyridyl)tetrazole and formate ions. With slight modulation of the coordination environment of the trinuclear cobalt cluster, the two complexes take on completely distinct structures (see figure). One of the complexes strongly interacts with CO2 and might potentially serve as an adsorption material.

  7. Cover Pictures

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      Photometric Detection of Nitric Oxide Using a Dissolved Iron(III) Corrole as a Sensitizer

      Dr. Stefan Fischer, Jenya Vestfrid, Dr. Atif Mahammed, Felix Herrmann-Westendorf, Dr. Martin Schulz, Dr. Jürgen Müller, Dr. Olaf Kiesewetter, Prof. Dr. Benjamin Dietzek, Prof. Dr. Zeev Gross and Dr. Martin Presselt

      Article first published online: 1 APR 2016 | DOI: 10.1002/cplu.201600118

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      The cover picture shows a human in an activity that can potentially trigger asthma or heart attacks. These attacks involve blood-vessel contraction and are therefore typically indicated in advance by an increase in NO concentration in the exhaled air. Fundamental work on photonic sensing of NO via reversible binding to an amphiphilic iron(III) corrole complex is reported. Details are given in the Full Paper by M. Presselt et al. (DOI: 10.1002/cplu.201600118).

  8. Cover Profiles

    1. Photometric Detection of Nitric Oxide Using a Dissolved Iron(III) Corrole as a Sensitizer

      Dr. Stefan Fischer, Jenya Vestfrid, Dr. Atif Mahammed, Felix Herrmann-Westendorf, Dr. Martin Schulz, Dr. Jürgen Müller, Dr. Olaf Kiesewetter, Prof. Dr. Benjamin Dietzek, Prof. Dr. Zeev Gross and Dr. Martin Presselt

      Article first published online: 1 APR 2016 | DOI: 10.1002/cplu.201600119

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      “…Joint research between the two teams and the essential research plans were initiated during a lively discussion between Zeev Gross, Benjamin Dietzek, and Martin Presselt at a “COST meeting”…” Read more about the story behind the cover in the Cover Profile and about the research itself (DOI: 10.1002/cplu.201500553).

  9. Cover Pictures

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      Ultrabright Lanthanide Nanoparticles

      Joan Goetz, Dr. Aline Nonat, Abdoulaye Diallo, Mohamadou Sy, Ildan Sera, Alexandre Lecointre, Dr. Christophe Lefevre, Chi Fai Chan, Prof. Ka-Leung Wong and Dr. Loïc J. Charbonnière

      Article first published online: 30 MAR 2016 | DOI: 10.1002/cplu.201600116

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      The cover picture shows terbium-doped LaF3 nanoparticles that are surface functionalized by photon-harvesting antenna ligands. Surface capping with antenna ligands leads to ultrabright nanoparticles, with the typical green luminescence signature of the Tb atoms and very long excited state lifetimes. The nanoparticles were shown by luminescence microscopy to internalize into HeLa cells and localize to the lysosomes. Details are given in the Full Paper by Loïc J. Charbonnière and Ka-Leung Wong et al. (DOI: 10.1002/cplu.2016000071).

  10. Full Papers

    1. Synthesis, Structure, and Ligand-Centered Catalytic Properties of MII Coordination Polymers (M=ZnII, CdII, HgII) with Open Pyridyl N-Oxide Sites

      Jun-Yan Cheng, Feng-Wen Ding, Dr. Peng Wang, Chao-Wei Zhao and Prof. Dr. Yu-Bin Dong

      Article first published online: 24 MAR 2016 | DOI: 10.1002/cplu.201600009

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      Metal infiltration: A series of one-dimensional MII coordination polymers (CPs) with open pyridyl N-oxide sites are reported. These CPs can be used as highly active heterogeneous catalysts for Knoevenagel condensation under ambient conditions (see scheme).

    2. A Highly Sensitive Luminescent Dye@MOF Composite for Probing Different Volatile Organic Compounds

      Jun-Ping Zheng, Sha Ou, Min Zhao and Prof. Dr. Chuan-De Wu

      Article first published online: 24 MAR 2016 | DOI: 10.1002/cplu.201600057

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      Metal–organic framework sensor: We report an interesting layered coordination network based on the derivative of the natural amino acid l-phenylalanine and zinc ions, which can embed Rhodamine B dye to result in a luminescent sensor of Rho@MOF composite, which can detect different volatile organic compounds with clearly differentiable and unique luminescence readouts by tuning the ligand-to-dye energy transfer (see figure).

    3. Dendrimeric Sulfanyl Porphyrazines: Synthesis, Physico-Chemical Characterization, and Biological Activity for Potential Applications in Photodynamic Therapy

      Dariusz T. Mlynarczyk, Sebastian Lijewski, Michal Falkowski, Dr. Jaroslaw Piskorz, Dr. Wojciech Szczolko, Dr. Lukasz Sobotta, Magdalena Stolarska, Dr. Lukasz Popenda, Prof. Dr. Stefan Jurga, Prof. Dr. Krystyna Konopka, Prof. Dr. Nejat Düzgüneş, Dr. Jadwiga Mielcarek and Dr. Tomasz Goslinski

      Article first published online: 23 MAR 2016 | DOI: 10.1002/cplu.201600051

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      Topic of cancer: Sulfanyl porphyrazines and tribenzoporphyrazines substituted at their periphery with different dendrimeric moieties up to their first generation were synthesized and characterized by photochemical and biological methods. The in vitro biological effects of three most promising tribenzoporphyrazines were examined and found to exhibit nanomolar IC50 values (see figure).

    4. Tracer-Based Metabolic NMR-Based Flux Analysis in a Leukaemia Cell Line

      John B. Carrigan, Michelle A. C. Reed, Christian Ludwig, Farhat L. Khanim, Christopher M. Bunce and Ulrich L. Günther

      Article first published online: 22 MAR 2016 | DOI: 10.1002/cplu.201500549

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      Track and trace: Tracer-based metabolic analysis using NMR methods was used to identify metabolic characteristics in haematological cancer cells. Haematological cancer cells were treated with redeployed drugs (BaP=medroxyprogesterone + bezafibrate) that generate high concentrations of reactive oxygen species. NMR analysis shows how these drugs affect metabolism including the inhibition of de novo pyrimidine synthesis.

  11. Minireviews

    1. Utilization of G-Quadruplex-Forming Aptamers for the Construction of Luminescence Sensing Platforms

      Dr. Dik-Lung Ma, Wanhe Wang, Zhifeng Mao, Tian-Shu Kang, Dr. Quan-Bin Han, Dr. Philip Wai Hong Chan and Dr. Chung-Hang Leung

      Article first published online: 21 MAR 2016 | DOI: 10.1002/cplu.201600036

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      G whiz: Aptamers are nucleic acid sequences that can recognize and bind to analytes with high affinity and selectivity (see figure). Several aptamers undergo a conformational change within the G-quadruplex motif upon ligand binding. This Minireview examines interesting examples of luminescent G-quadruplex aptamer-based probes that have recently been developed. Various mechanisms and sensing modes are described. Future directions in this field are also discussed.

  12. Cover Profiles

    1. Glutathione Bioresponsive Cyclodextrin Nanosponges

      Prof. Francesco Trotta, Fabrizio Caldera, Chiara Dianzani, Monica Argenziano, Giuseppina Barrera and Roberta Cavalli

      Article first published online: 15 MAR 2016 | DOI: 10.1002/cplu.201600105

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      “… The priceless feeling of finding something unexpected motivates us to explore new research fields, especially in the synthesis of new nanostructured materials and in the design of targeted drug delivery systems. …” Read more about the story behind the cover in the Cover Profile and about the research itself (DOI: 10.1002/cplu.201500531).

  13. Cover Pictures

    1. You have free access to this content
      Glutathione Bioresponsive Cyclodextrin Nanosponges

      Prof. Francesco Trotta, Fabrizio Caldera, Chiara Dianzani, Monica Argenziano, Giuseppina Barrera and Roberta Cavalli

      Article first published online: 15 MAR 2016 | DOI: 10.1002/cplu.201600106

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      The cover picture shows the chemical structure of a glutathione-responsive β-cyclodextrin nanosponge, bearing disulfide bridges and loaded with anticancer doxorubicin (red and white pills). Glutathione thiol groups are able to reduce the nanosponge disulfide moieties. Cleavage of the disulfide bridges allows a targeted release of anticancer drugs into glutathione-rich chemoresistant tumor cells. Details are given in the Full Paper by Francesco Trotta et al. (DOI: 10.1002/cplu.201500531)

  14. Full Papers

    1. Three Cluster Organic Frameworks Constructed from Tetranuclear Cluster Units: Structure and Properties

      Dr. Ge Liu, Dr. Dong Xie, Dr. Rui Li, Lei Hou, Prof. Wen-Yan Zhang and Prof. Yao-Yu Wang

      Article first published online: 11 MAR 2016 | DOI: 10.1002/cplu.201600025

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      Rare connections: Three isostructural cluster organic 3D metal–organic frameworks (MOFs) are constructed by combining a semirigid multi-carboxylic acid with tetranuclear metal–hydroxy–carboxyl clusters (see figure). Manganese and cobalt MOFs showed significant antiferromagnetic interactions between intracluster metal ions, whereas the cadmium MOF reveals strong blue photoluminescence.

    2. Switchable Room-Temperature Ferroelectric Behavior, Selective Sorption and Solvent-Exchange Studies of [H3O][Co2(dat)(sdba)2]⋅H2sdba⋅5 H2O

      Saurav Bhattacharya, Somnath Pal and Prof. Srinivasan Natarajan

      Article first published online: 1 MAR 2016 | DOI: 10.1002/cplu.201500564

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      Complex behavior: The compound [H3O][Co2(dat)(sdba)2]H2sdba5 H2O (dat=3,5-diamino-1,2,4-triazole; H2sdba=4,4′-sulfonyldibenzoic acid) is ferroelectric at room temperature, exhibits polarization switching behavior upon dehydration and subsequent rehydration, and undergoes a solvent-mediated single-crystal-to-single-crystal transformation. Gas sorption studies on the dehydrated compound indicate the selective adsorption of CO2 over CH4 at 195 K.

    3. Morphology-Dependent Activities of Silver Phosphates: Visible-Light Water Oxidation and Dye Degradation

      Dr. Prashanth W. Menezes, Dr. Arindam Indra, Dr. Michael Schwarze, Felix Schuster and Prof. Dr. Matthias Driess

      Article first published online: 17 FEB 2016 | DOI: 10.1002/cplu.201500538

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      Morphology is the key: A facile, scalable, and convenient strategy for the preparation of silver phosphates with diverse morphology for visible-light water oxidation as well as dye degradation has been uncovered (see figure).

    4. Ultrabright Lanthanide Nanoparticles

      Joan Goetz, Dr. Aline Nonat, Abdoulaye Diallo, Mohamadou Sy, Ildan Sera, Alexandre Lecointre, Dr. Christophe Lefevre, Chi Fai Chan, Prof. Ka-Leung Wong and Dr. Loïc J. Charbonnière

      Article first published online: 16 FEB 2016 | DOI: 10.1002/cplu.201600007

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      Put your coat on: Eleven ligands were tested for surface photosensitization of Tb-doped LaF3 nanoparticles. Isolation, purification and characterization of the surface-coated nanoparticles led to extremely bright scaffolds (brightness >106m−1 cm−1) that are stable in the presence of large excesses of competing anions. The nanoparticles were shown by luminescence microscopy to internalize into HeLa cells and localize to the lysosomes.

    5. Cysteine Radical/Metal Ion Adducts: A Gas-Phase Structural Elucidation and Reactivity Study

      Michael Lesslie, Dr. Justin Kai-Chi Lau, John T. Lawler, Dr. K. W. Michael Siu, Dr. Vincent Steinmetz, Dr. Philippe Maître, Dr. Alan C. Hopkinson and Dr. Victor Ryzhov

      Article first published online: 12 FEB 2016 | DOI: 10.1002/cplu.201500558

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      Totally radical: Gas-phase complexes of the cysteine thiyl radical with alkali metal ions remain tridentate (S,O,N) sulfur-based radical species (see figure). Meanwhile, silver ions facilitate rearrangement of the thiyl radical into other isomers.

    6. Photometric Detection of Nitric Oxide Using a Dissolved Iron(III) Corrole as a Sensitizer

      Dr. Stefan Fischer, Jenya Vestfrid, Dr. Atif Mahammed, Felix Herrmann-Westendorf, Dr. Martin Schulz, Dr. Jürgen Müller, Dr. Olaf Kiesewetter, Prof. Dr. Benjamin Dietzek, Prof. Dr. Zeev Gross and Dr. Martin Presselt

      Article first published online: 2 FEB 2016 | DOI: 10.1002/cplu.201500553

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      NO hiding from this sensor: Reversible binding of nitric oxide to an iron(III) corrole induces spectral changes close to the Soret absorption band, thus enabling photometric nitric oxide detection (see figure). Sensitive photometric detection in the picomolar range was possible using this amphiphilic iron(III) corrole. The amphiphilicity allows for self-assembly of the complex into thin solid films, which will be developed for sensing applications.

  15. Communications

    1. Visible-Light-Driven Water Oxidation on a Photoanode by Supramolecular Assembly of Photosensitizer and Catalyst

      Hua Li, Dr. Fei Li, Yong Wang, Lichen Bai, Fengshou Yu and Prof. Licheng Sun

      Article first published online: 28 JAN 2016 | DOI: 10.1002/cplu.201500539

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      A “take-charge” guest: A ruthenium water oxidation catalyst was incorporated on the surface of a dye-sensitized nanostructured TiO2 film when it formed a host–guest adduct with the chromophore, providing a new strategy for photoanode construction.

    2. Glutathione Bioresponsive Cyclodextrin Nanosponges

      Prof. Francesco Trotta, Fabrizio Caldera, Chiara Dianzani, Monica Argenziano, Giuseppina Barrera and Roberta Cavalli

      Article first published online: 15 DEC 2015 | DOI: 10.1002/cplu.201500531

      Thumbnail image of graphical abstract

      Cyclodextrin-based nanosponges: A new one-step synthetic route for the production of glutathione (GSH)-responsive nanosponges was reported. The system can encapsulate the anticancer drug doxorubicin and release it as a function of external GSH concentration. In vitro and in vivo studies showed an increase in effectiveness of anticancer drugs encapsulated within the nanosponge (see figure).

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