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469 Newest Publications in journal of materials chemistry

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matching the following criteria

Synthesis and characterization of Mg2Si/Si nanocomposites prepared from MgH2 and silicon, and their thermoelectric properties

22-Nov-2012 | Tanghong Yi; Shaoping Chen; Shawn Li; Hao Yang; Sabah Bux; Zhixi Bian; Nebil A. Katcho; Ali Shakouri; Natalio Mingo; ..., Journal of Materials Chemistry, 2012

Silicon (Si) nanoparticles embedded in a Mg2Si matrix (Mg2Si/xSi) have been successfully synthesized at 623 K from MgH2 and Bi containing Si nanoparticle powders. The use of MgH2 in this synthetic route avoids the formation of oxides through the generation of hydrogen and provides a route to ...

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Improved anti-proliferative effect of doxorubicin-containing polymer nanoparticles upon surface modification with cationic groups

21-Nov-2012 | Sai Archana Krovi; Elden P. Swindell; Thomas V. O'Halloran; SonBinh T. Nguyen, Journal of Materials Chemistry, 2012

Polymer nanoparticles (PNPs) possessing a high density of drug payload have been successfully stabilized against aggregation in biological buffers after amine modification, which renders these PNPs positively charged. The resulting charge-stabilized PNPs retain their original narrow particle size ...

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Correlation of micellar structures with surface-plasmon-coupled fluorescence in a strategy for fluorescence enhancement

21-Nov-2012 | Ki-Se Kim; Hun Kim; Jeong-Hee Kim; Jin-Hyung Kim; Chang-Lyoul Lee; Frédéric Laquai; Seong Il Yoo; Byeong-Hyeok Sohn, Journal of Materials Chemistry, 2012

The understanding of underlying phenomena of localized surface plasmon resonance of metal nanoparticles (NPs) enables the unique control on the intrinsic properties of fluorophores in the proximity of metal NPs. While other parameters have to be considered, the near-field interactions between ...

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Au@SiO2 nanoparticles coupling co-sensitizers for synergic efficiency enhancement of dye sensitized solar cells

21-Nov-2012 | Haoran Li; Wei Hong; Feiyang Cai; Qi Tang; Yang Yan; Xiaobin Hu; Binyuan Zhao; Di Zhang; Zhou Xu, Journal of Materials Chemistry, 2012

A new configuration of a co-sensitized DSSC was proposed, in which different dye molecules are deposited onto the electrodes layer-by-layer, with Au@SiO2 nanoparticles uniformly distributed in the electrodes. Au@SiO2 nanoparticles coupled with dye pairs were proven to have a synergic effect: not ...

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Temperature-triggered redox-degradable poly(ether urethane) nanoparticles for controlled drug delivery

31-Oct-2012 | Yangyun Wang; Guolin Wu; Xiaomeng Li; Jiatong Chen; Yinong Wang; Jianbiao Ma, Journal of Materials Chemistry, 2012

A series of biodegradable poly(ether urethane)s that responded to changes in temperature and redox potential was synthesized via a facile one-pot method. The amphiphilic poly(ether urethane)s were comprised of 2,2′-dithiodiethanol, hydrophobic hexamethylene diisocyanate and hydrophilic ...

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Synergistic enhancement of photovoltaic performance of TiO2 photoanodes by incorporation of Dawson-type polyoxometalate and gold nanoparticles

31-Oct-2012 | Lihao Wang; Lin Xu; Zhongcheng Mu; Chungang Wang; Zhixia Sun, Journal of Materials Chemistry, 2012

To explore the synergistic effects of polyoxometalate and noble metal nanoparticles on the photovoltaic performance of titanium dioxide (TiO2), multilayer film photoanodes consisting of TiO2 nanoparticles, gold nanoparticles (Au) and Dawson-type polyoxometalate K6P2W18O62 (abbr. as P2W18) have ...

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Investigation of the stability of magnetite nanoparticles functionalized with catechol based ligands in biological media

24-Oct-2012 | Steven L. Saville; Roland C. Stone; Bin Qi; O. Thompson Mefford, Journal of Materials Chemistry, 2012

A novel tri-nitroDOPA terminated polymer based ligand has been developed for the stabilization of magnetite nanoparticles. The synthesis involves a process in which ethylene oxide is polymerized using a trivinyl initiator, modified with carboxylic acid using a free radical addition of ...

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Mesoporous silica microcapsule-supported Ag nanoparticles fabricated via nano-assembly and its antibacterial properties

17-Oct-2012 | Hui Yang; Yan Liu; Qianhong Shen; Liangfu Chen; Wenhui You; Xinmin Wang; Jiansong Sheng, Journal of Materials Chemistry, 2012

A novel method was proposed to fabricate a mesoporous silica microcapsule with Ag nanoparticles (AgNPs) loaded onto the interior wall of a mesoporous silica shell. The mesoporous silica microcapsule-supported AgNPs (denoted as AgNPs@silica microcapsule) was fabricated via a two-step process: (i) ...

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Development and evaluation of 90Y-labeled albumin microspheres loaded with magnetite nanoparticles for possible applications in cancer therapy

16-Oct-2012 | Magdalena Radović; Sanja Vranješ-Đurić; Nadežda Nikolić; Drina Janković; Gerardo F. Goya; Teobaldo E. Torres; M. Pil ..., Journal of Materials Chemistry, 2012

Radiolabeled albumin microspheres with encapsulated citric acid-coated magnetite nanoparticles were developed as a targeting approach to localize both radioactivity and magnetic energy at the tumor site. We present in vitro and in vivo studies of yttrium-90 (90Y)-labeled human serum albumin ...

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One-pot Synthesis Method of Cu Nanoparticles for Low Temperature Bonding

16-Oct-2012 | Toshitaka Ishizaki; Ryota Watanabe, Journal of Materials Chemistry, 2012

We developed a new one-pot synthesis method of Cu nanoparticles capped with fatty acids and amines from an insoluble salt, such as Cu carbonate and Cu hydroxide, in ethylene glycol. This method was able to be completed in a short time and provides a high collection rate from inexpensive raw ...

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