J. Material Chem.
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Updated: 27 weeks 3 days ago
A photocleavable linker for the chemoselective functionalization of biomaterials
DOI: 10.1039/C2JM35173K, PaperLiz O'Donovan, Paul A. De Bank
A caged carbonyl linker enabling chemoselective decoration of biomaterials with cell-adhesive species is reported.
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Additives stabilize calcium sulfate hemihydrate (bassanite) in solution
DOI: 10.1039/C2JM34087A, PaperYun-Wei Wang, Fiona C. Meldrum
Soluble additives can be used to generate amorphous calcium sulfate (ACS) and calcium hemihydrate with high levels of stability, from solution at room temperature, and therefore provide an effective means for synthesising these metastable phases.
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Varying surface hydrophobicities of coatings made of recombinant spider silk proteins
DOI: 10.1039/C2JM35075K, PaperStefanie Wohlrab, Kristina Spie[German sz ligature}, Thomas Scheibel
The engineered spider silk protein eADF4(C16) can be used for coating of surfaces. Template, starting solvent as well as post-cast treatment show severe impact on the silk structure and surface hydrophilicities.
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Hybrid multilayer thin film supercapacitor of graphene nanosheets with polyaniline: importance of establishing intimate electronic contact through nanoscale blending
DOI: 10.1039/C2JM33111J, PaperTaemin Lee, Taeyeong Yun, Byeongho Park, Bhawana Sharma, Hyun-Kon Song, Byeong-Su Kim
A hybrid electrode consisting of an electric double-layer capacitor of graphene nanosheets and a pseudocapacitor of the conducting polymer polyaniline exhibits a synergistic effect with excellent electrochemical performance for flexible thin film supercapacitors.
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Hierarchical wrinkling on elastomeric Janus spheres
DOI: 10.1039/C2JM35018A, PaperAna C. Trindade, Joao P. Canejo, Pedro Patricio, Pedro Brogueira, Paulo I. Teixeira, Maria Helena Godinho
Hierarchical wrinkling on asymmetric elastomeric spheres is imprinted after UV exposure, swelling and drying in a good solvent.
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Synthesis of layered double hydroxide nanoparticles in a novel microemulsion
DOI: 10.1039/C2JM34669A, PaperChengle J. Wang, Dermot O'Hare
Oleylamine performs multiple functions in the synthesis of LDHs nanosheets.
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A water-dielectric capacitor using hydrated graphene oxide film
DOI: 10.1039/C2JM34476A, PaperDa-Wei Wang, Aijun Du, Elena Taran, Gao Qing (Max) Lu, Ian R. Gentle
A hydrated graphene oxide film was used as a dielectric spacer to construct a prototype water-dielectric capacitor. The capacitance per unit area of the GO film is in the range of 100-800 [small mu ]F cm-2, which is 5-40 times that of the double layer capacitance per surface area of activated carbon.
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Nanoconic TiO2 hollow spheres: novel buffers architectured for high-capacity anode materials
DOI: 10.1039/C2JM34332K, PaperJianfei Lei, Weishan Li, Xiaoping Li, Elton J. Cairns
The unique hierarchical structure of SnO2-TiO2-NC hollow spheres leads to the enhanced lithium storage capacity and stable cycle life.
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Liquid-liquid interface assisted synthesis of multifunctional and multicomponent hydrogel particles
DOI: 10.1039/C2JM34986H, PaperZeming Chen, Liang Hu, Michael J. Serpe
Adding pre-gel solution to the hexane-chlorobenzene solvent interface allows chemically and compositionally complex hydrogel particles to be easily synthesized.
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Relating highly distorted Jahn-Teller MnO6 to colouration in manganese violet pigments
DOI: 10.1039/C2JM33731B, PaperYasmin Begum, Adrian J. Wright
Mn3+ chelated by pyrophosphate anions provides highly distorted coordination environments, leading to intense violet pigments.
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Covalent functionalization of MWCNTs with poly(p-phenylene sulphide) oligomers: a route to the efficient integration through a chemical approach
DOI: 10.1039/C2JM35272A, PaperJ. M. Gonzalez-Dominguez, P. Castell, S. Bespin-Gascon, A. Anson-Casaos, A. M. Diez-Pascual, M. A. Gomez-Fatou, A. M. Benito, W. K. Maser, M. T. Martinez
Schematic representation of the preparation route of CNT/PPS composites.
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Li2MnSiO4 obtained by microwave assisted solvothermal method: electrochemical and surface studies
DOI: 10.1039/C2JM34455F, PaperM. Kuezma, S. Devaraj, P. Balaya
Nanostructured Li2MnSiO4 is successfully synthesized by microwave assisted solvothermal method followed by successful conductive carbon coating. For the first time, we confirm the presence of Mn4+ by XPS studies upon charging Li2MnSiO4.
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Modelling human embryoid body cell adhesion to a combinatorial library of polymer surfaces
DOI: 10.1039/C2JM34782B, PaperV. Chandana Epa, Jing Yang, Ying Mei, Andrew L. Hook, Robert Langer, Daniel G. Anderson, Martyn C. Davies, Morgan R. Alexander, David A. Winkler
Modern, sparse machine learning methods allow accurate in silico prediction of stem cell embryoid body adhesion to large polymer libraries.
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Targeting ordered oligothiophene fibers with enhanced functional properties by interplay of self-assembly and wet lithography
DOI: 10.1039/C2JM33998F, CommunicationDenis Gentili, Francesca Di Maria, Fabiola Liscio, Laura Ferlauto, Francesca Leonardi, Lucia Maini, Massimo Gazzano, Silvia Milita, Giovanna Barbarella, Massimiliano Cavallini
A controlled self-assembly process of fiber-forming oligothiophenes and their direct integration with precise density, orientation, and size in OFET devices.
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Fabrication of boehmite and Al2O3 nonwovens from boehmite nanofibres and their potential as the sorbent
DOI: 10.1039/C2JM33914E, PaperNaofumi Nagai, Kazuaki Ihara, Ayaka Itoi, Tetsuya Kodaira, Hiroshi Takashima, Yukiya Hakuta, Kyoko K. Bando, Naotsugu Itoh, Fujio Mizukami
Boehmite nonwovens with hierarchical texture could be fabricated by a simple procedure consisting of mixing a boehmite nanofibre sol with an organic solvent and filtering the mixture.
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Polyglycerol-based polymer network films for potential biomedical applications
DOI: 10.1039/C2JM34271E, PaperDuygu Ekinci, Adam L. Sisson, Andreas Lendlein
The facile modular syntheses, and detailed structural analyses, of a series of homogeneous, polyglycerol-based polymer networks is reported. Bulk thermal and mechanical properties can be tuned within a wide range in a highly rational fashion.
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Phenyl introduced ammonium borohydride: synthesis and reversible dehydrogenation properties
DOI: 10.1039/C2JM34766K, PaperShaofeng Li, Ziwei Tang, Qiaolong Gong, Xuebin Yu, Paul R. Beaumont, Craig M. Jensen
Two novel bis-(ammoniumborohydride)-benzene compounds are shown to release 6 equiv. hydrogens below 200 [degree]C and their spent fuels can be chemically rehydrogenated to N,N[prime or minute]-phenyl substituted ammonia-boranes.
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Enhanced photoconductive properties of a simple composite coaxial nanostructure of zinc oxide and polypyrrole
DOI: 10.1039/C2JM34525K, PaperYuya Oaki, Takahiro Oki, Hiroaki Imai
The coaxial nanostructures of zinc oxide and polypyrrole are synthesized through the low-temperature solution processes. Compared with the reference structures, the enhanced photoconductive properties with high on-off ratio comparable to 104 are found for the coaxial nanostructures. The results indicate that the simple composites and nanostructures lead to the enhanced performance applicable for photoswitches and photodetectors.
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Design, synthesis and photovoltaic properties of a new D-[small pi]-A polymer with extended [small pi]-bridge units
DOI: 10.1039/C2JM32931J, PaperXia Guo, Maojie Zhang, Lijun Huo, Feng Xu, Yue Wu, Jianhui Hou
The hole mobility as well as the photovoltaic properties of a D-[small pi]-A polymer can be improved effectively by using extended [small pi]-bridge units.
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Enhanced thermoelectric properties of Bi2(Te1-xSex)3-based compounds as n-type legs for low-temperature power generation
DOI: 10.1039/C2JM34608G, PaperShanyu Wang, Gangjian Tan, Wenjie Xie, Gang Zheng, Han Li, Jihui Yang, Xinfeng Tang
The ZTmax of n-type Bi2(Te1-xSex)3 is shifted toward elevated T for power generation, with ZTmax [similar] 0.86 at 600 K and ZTAv400-640K [similar] 0.8.
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