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133 Newest Publications in journal of materials chemistry

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Evaluation of GO/MnO2 composites as supercapacitors in neutral electrolytes: role of graphite oxide oxidation level

31-10-2012 | Mykola Seredych; Teresa J. Bandosz, Journal of Materials Chemistry, 2012

Manganese oxide/graphite oxide (GO) composites containing GO of two different oxidation levels are investigated as supercapacitors in neutral electrolytes, Na2SO4 and Li2SO4. Addition of only 10 wt% of GO with a low oxidation level results in an 18 times improvement in the capacitance in lithium ...

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Mechanism of interaction between colloids and bacteria as evidenced by tailored silica–lysozyme composites

25-10-2012 | Luciane França de Oliveira; Kaliandra de Almeida Gonçalves; Fábio Henrique Boreli; Jörg Kobarg; Mateus Borba Cardoso, Journal of Materials Chemistry, 2012

The ever increasing antibiotic resistance levels in pathogenic and non-pathogenic bacteria have boosted the search for effective controlling methods of bacterial infections. In this context, we prepared colloidal silica–lysozyme composites to evaluate the interaction between these structures and ...

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Short side chain perfluorosulfonic acid membranes and their composites with nanosized zirconium phosphate: hydration, mechanical properties and proton conductivity

24-10-2012 | Monica Pica; Anna Donnadio; Mario Casciola; Paula Cojocaru; Luca Merlo, Journal of Materials Chemistry, 2012

Aqueous dispersions of a short side chain perfluorosulfonic acid ionomer (equivalent weight 830 g eq.−1) and gels of nanosized zirconium phosphate (ZrP) in propanol are used for the preparation, by solution casting, of composite membranes with ZrP loading up to 13 wt%. These membranes, together ...

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Enhanced protein-mediated binding between oligonucleotide–gold nanoparticle composites and cell surfaces: co-transport of proteins and composites

24-10-2012 | Yu Jin Kim; Sang-Mi Ryou; Sudeok Kim; Ji-Hyun Yeom; Min Su Han; Kangseok Lee; Maeng-Je Seong, Journal of Materials Chemistry, 2012

The measurement of the binding force between a cell membrane and an oligonucleotide-functionalized, gold-coated tip using atomic force microscope force spectroscopy showed enhanced binding forces due to the presence of proteins in the buffer. The cellular uptake of oligonucleotide–gold ...

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The Preparation and Characterization of Double-layer Microcapsules Used for the Self-healing of Resin Matrix Composites

17-10-2012 | Ru Tian; Xiaoli Fu; Yudong Zheng; Xin Liang; Qiaoli Wang; Ying Ling; Baoshun Hou, Journal of Materials Chemistry, 2012

In this work, diamino diphenyl sulfone (DDS) was used as curing agent adsorbed at the periphery of the single-layer microcapsules, Ag-80 as healing agent filled melamine-formaldehyde resin (MF).The double-layer microcapsules were made by encapsulating the particles (the single-layer microcapsules ...

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Facile preparation route for graphene oxide reinforced polyamide 6 composites via in situ anionic ring-opening polymerization

17-10-2012 | Xiaoqing Zhang; Xinyu Fan; Hongzhou Li; Chun Yan, Journal of Materials Chemistry, 2012

In this study, a new and facile route has been developed to prepare graphene oxide (GO) reinforced polyamide 6 (PA6) composites and synthesize simultaneously PA6 grafted GO hybrid materials: ε-caprolactam (CL) was firstly fixed onto the GO sheets coupling by 4,4′-methylenebis(phenyl isocyanate), ...

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Towards materials with enhanced electro-mechanical response: CaCu3Ti4O12–polydimethylsiloxane composites

17-10-2012 | Laura J. Romasanta; Pilar Leret; Leandro Casaban; Marianella Hernández; Miguel A. de la Rubia; José F. Fernández; Jo ..., Journal of Materials Chemistry, 2012

We describe a straightforward production pathway of polymer matrix composites with increased dielectric constant for dielectric elastomer actuators (DEAs). Up to date, the approach of using composites made of high dielectric constant ceramics and insulating polymers has not evidenced any ...

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A new strategy to prepare polymer composites with versatile shape memory properties

17-10-2012 | Qinglong Zhang; Shijie Song; Jiachun Feng; Peiyi Wu, Journal of Materials Chemistry, 2012

A new strategy to prepare multi-shape memory polymers, which utilizes the confined co-crystallization characteristics of small molecules to construct tunable switch, has been proposed. On the basis of this strategy, a novel shape memory polymer comprising paraffin molecules with different chain ...

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Excellent stability of spinel LiMn2O4-based composites for lithium ion batteries

10-10-2012 | Lilong Xiong; Youlong Xu; Tao Tao; Jie Song; John B Goodenough, Journal of Materials Chemistry, 2012

Spinel LiMn2O4-based composites with cation (Li+) / anion (F-) co-doping and Li2MnO3 thin surface coating are synthesized by one-step solid-state reaction. The composites modified with body-doping and surface-coating exhibits excellent cycling performance and high rate capability. The LF04 sample ...

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Exploiting High Quality PEDOT:PSS/SWNT Composite Formulations for Wet-Spinning Multifunctional Fibers

10-10-2012 | Rouhollah Jalili; Joselito Razal; Gordon Wallace, Journal of Materials Chemistry, 2012

In order to exploit the inherent properties of carbon nanotubes (CNT) in any polymer composite, systematic control of carbon nanotube loading and protocols that mitigate against CNT bundling are required. If such composites are to be rendered in fiber form via wet-spinning, then CNT bundling ...

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