Archive for the ‘Uncategorized’ Category

Themed Issue on the Fabrication Technology of Nanomaterials

Fabrication Technology of Nanomaterials brings together scaleable, high throughput nano and multiscale fabricaton techniques applied to pultifunctional materials.  The aim of thi sissue is to highlight the important contributions in this research area as well as highlighting the impact of nanostructured materials.

This issue was Guest Edited by Professor Fabio Biscarini and Dr massimilliano Cavallini of the Institute of Nanostructured Materials, CNR Bologna, Italy.  The full issue can be found here.

Below is a sample of the Papers, Applications, Communication and Feature Articles that can be found in the fabrication technology of nanomaterials themed issue:

Feature Article

Continuous and high-throughput nanopatterning methodologies based on mechanical deformation
Jong G. Ok, Se Hyun Ahn, Moon Kyu Kwak and L. Jay Guo

Application

Micro/nano-scale materials and structures for constructing neuronal networks and addressing neurons
Zhuo Huang and Xingyu Jiang

Communication

Nanofabrication of TaS2 conducting layers nanopatterned with Ta2O5 insulating regions via AFM
Eugenio Coronado, Alicia Forment-Aliaga, Efren Navarro-Moratalla, Elena Pinilla-Cienfuegos and Andres Castellanos-Gomez

Paper

Carbon nanorods and graphene-like nanosheets by hot filament CVD: growth mechanisms and electron field emission
B. B. Wang, K. Ostrikov, T. van der Laan, K. Zheng, J. J. Wang, Y. P. Yan and X. J. Quan

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Hot Article: A facile strategy for the preparation of well-dispersed bimetal oxide CuFe2O4 nanoparticles supported on mesoporous silica

Who said a complex problem demands a complex solution? A recent article by Li et al. has shown that this could not be further from the truth. This team at the University of Hangzhou have taken a relatively simple approach to remedy the more complex problems of phase separation and poor reproducibility that are associated with the synthesis of bimetal oxide nanoparticles supported on mesoporous silica.

These materials, that combine just the right amounts of nano-activity with the benefit of macro-sized supports for easier handling, show great potential in the field of catalysis however difficulties in their preparation is creating limitations. As this paper demonstrates, the addition of a facile pre-drying treatment inserted into the material preparation process is the key to avoiding problems. The work mainly focuses on applying this technique to the synthesis of CuFe2O4 catalysts, but also tests the same procedure on NiFe2O4, CuCr2O4 and CoFe2O4 with great success. Catalytic activity of the synthesised CuFe2O4 was tested using the enantioselective reduction of acetophenone at room temperature, resulting in a yield of 93% and 93% ee. The magnetic properties of the catalyst, due to the presence of Fe, lead to easy recovery from the reaction and subsequent reuse showed retention of activity and enantioselectivity.

A facile strategy for the preparation of well-dispersed bimetal oxide CuFe2O4 nanoparticles supported on mesoporous silica
Bin Li, Min Li, Chaohua Yao, Yifeng Shi, Danru Ye, Jing Wu and Dongyuan Zhao
J. Mater. Chem. A, 2013, 1, 6742-6749.  C3TA10506G

H. L. Parker is a guest web writer for the Journal of Materials Chemistry blog. She currently works at the Green Chemistry Centre of Excellence, the University of York.

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Hot Articles for January!

Metal-ion doped luminescent thin films for optoelectronic applications
Yang Zhang and Jianhua Hao

Photon upconversion facilitated molecular solar energy storage
Karl Börjesson, Damir Dzebo, Bo Albinsson and Kasper Moth-Poulsen

In Situ synthesis and thermoelectric properties of PbTe-graphene nanocomposites by utilizing a facile and novel wet chemical method
Jingdu Dong, Wei Liu, Han Li, Xianli Su, Xinfeng Tang and Ctirad Uher

These papers are free to access until 3rd March 2014 

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Introducing Journal of Materials Chemistry A Associate Editor Christine Luscombe

Christine Luscombe received her Bachelor’s degree in Natural Sciences from the University of Cambridge in 2000. She then worked with Profs. Andrew Holmes and Wilhelm Huck in the Melville Laboratory of Polymer Synthesis at the University of Cambridge where her research focused on surface modifications using supercritical carbon dioxide for her PhD. She received the Syngenta Award for best organic chemistry project for her PhD. In January 2004, she joined the group of Prof. Jean Fréchet for her post-doctoral studies where she began her research on semiconducting polymers for organic photovoltaics. She was the recipient of the Lindemann Fellowship as well as the Trinity College Junior Research Fellowship (University of Cambridge) for her post-doctoral studies.

In September 2006, she joined the Materials Science and Engineering Department at the University of Washington, Seattle. She received a number of young faculty awards including the NSF CAREER Award, DARPA Young Faculty Award, as well as the Sloan Research Fellowship. Her current research focuses on the synthesis of semiconducting polymers for energy applications. She is currently serving on the Editorial Advisory Board for Macromolecules and ACS Macro Letters, and is an Associate Editor for J. Mater. Chem. A. She is also serving on the IUPAC Polymer Education and Polymer Terminology Committees.

Her recent papers include:

Thiophene based hyperbranched polymers with tunable branching using direct arylation methods
Ken Okamoto, Jeremy B. Housekeeper, Forrest E. Michael and Christine K. Luscombe
Polym. Chem., 2013, 4, 3499-3506

Simple procedure for mono- and bis-end-functionalization of regioregular poly(3-hexylthiophene)s using chalcogens
Ken Okamoto and Christine K. Luscombe
Chem. Commun., 2014, advanced article

Influence of fluorine substituents on the film dielectric constant and open-circuit voltage in organic photovoltaics
Pinyi Yang, Mingjian Yuan, David F. Zeigler, Scott E. Watkins, Jason Lee and Christine Luscombe
J. Mater. Chem. C, 2013, accepted manuscript

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Themed Issue on The Chemistry of Photonic Crystals and Metamaterials

Photonic crystals attract tremendous interest due to their ability to manipulate light.  The Chemistry of Photonic Crystals and Metamaterials provides discussion on several effective fabrication techniques for 2D and 3D colloidal photonic crystals as well as many other topics in this fast developing field.

Guest editors Yadong Yin and Jianping Ge introduce the issue in their editorial. The full issue can be found here.

Below is a sample of the Papers, Highlights, Communications and Feature Articles that can be found in The Chemistry of Photonic Crystals and Metamaterials themed issue:

Feature Articles

Stimuli-responsive opals: colloidal crystals and colloidal amorphous arrays for use in functional structurally colored materials
Yukikazu Takeoka

Magnetically controllable colloidal photonic crystals: unique features and intriguing applications
Haibo Hu, Changle Chen and Qianwang Chen

Highlight Articles

Active lasing from organic colloidal photonic crystals
Seiichi Furumi

Communications

Linear thermosensitivity of gel-immobilized tunable colloidal photonic crystals
Hitomi Sugiyama, Tsutomu Sawada, Hiroki Yano and Toshimitsu Kanai

Papers

Maleimide-containing polymer inverse opals: a new kind of reactive photonic structure with significant extendibility
Haowei Yang, Xuesong Li, Yue Lan, Tian Tian, Jiecheng Cui, Tao Zhu, Dezhong Shen and Guangtao Li

Polydopamine-based photonic crystal structures
Yin Jiang, Yue Lan, Xianpeng Yin, Haowei Yang, Jiecheng Cui, Tao Zhu and Guangtao Li

Magnetically rewritable photonic ink based on superparamagnetic nanochains
Mingsheng Wang, Le He, Yongxing Hu and Yadong Yin

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Themed Issue on Nanoparticles in Biology

Nanoparticles in Biology brings together outstanding work from a diverse range of scientific discipines for biomedical applications. We may be approaching an age when nanoparticle applications will become increasingly more common within medicine and biology.

Guest editors Dan Peer, Nathan Gianneschi and Dan Luo introduce the issue in their editorial. The full issue can be found here.

Below is a sample of the Papers, Highlights and Feature Articles that can be found in the nanoparticles in biology themed issue:

Feature Articles

Synthesis of nanoparticles, their biocompatibility and toxicity behavior for biomedical applications
Anurag Gautam and Frank C.J.M. van Veggel

Recent trends in the use of lipidic nanoparticles as pharmaceutical carriers for cancer therapy and diagnostics
Samuel V. Mussi and Vladimir P. Torchilin

Highlights

Filomicelles in nanomedicine – from flexible, fragmentable, and ligand-targetable drug carrier designs to combination therapy for brain tumors
Nuria Sancho Oltra, Joe Swift, Adbullah Mahmud, Karthikan Rajagopal, Sharon M. Loverde and Dennis E. Discher

Papers

Localization of gadolinium-loaded CPMV to sites of inflammation during central nervous system autoimmunity
Leah P. Shriver, Emily M. Plummer, Diane M. Thomas, Samuel Ho and Marianne Manchester

Nanoengineering gold particle composite fibers for cardiac tissue engineering
Michal Shevach, Ben M. Maoz, Ron Feiner, Assaf Shapira and Tal Dvir  

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Poster prize winners at the 2013 International Symposium on Stimuli-Responsive Materials

Many congratulations to the winners at the 2013 International Symposium on Stimuli-Responsive Materials!

Chosen by an independent panel, the winners were: Akira Matsumoto (Institute of Biomaterials and Bioengineering at Tokyo Medical and Dental University) for the Journal of Materials Chemistry A, B & C poster prize, Justin Poelma for Polymer Chemistry and Saemi Oh for Soft Matter (University of California, Santa Barbara).

The symposium which focuses on the field of stimuli-responsive materials from academia, industry, and government took place in October (20 – 22) this year at the Hilton Sonoma Wine Country in Santa Rosa, CA and was co-sponsored by the Royal Society of Chemistry.

Akira Matsumoto

Akira Matsumoto receiving his poster prize for Journal of Materials Chemistry A, B, C

Justin Poelma

Justin Poelma receiving his prize for Polmer Chemistry

Saemi Oh winning the Soft Matter poster prize

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Self-defending seeds

A two-layered protective coating that releases cyanide when bitten into could protect seeds from pests, say scientists in Switzerland. The system only becomes toxic when the layers are mixed, eliminating many of the problems of current pesticides.

Protecting agricultural crops against pests is a worldwide concern, particularly in developing countries, but pesticides can contaminate the surrounding environment, and can also hurt harmless insects like honey bees.

Malonitrile (MN) and hydroxynitrile lyase (HNL) only create hydrogen cyanide (HCN) upon rupture of the separating layer

Malonitrile (MN) and hydroxynitrile lyase (HNL) only create hydrogen cyanide (HCN) upon rupture of the separating layer

Read the full story in Chemistry World.

Induced cyanogenesis from hydroxynitrile lyase and mandelonitrile on wheat with polylactic acid multilayer-coating produces self-defending seeds
Wendelin J. Stark et al.
J. Mater. Chem. A, 2014, Advance Article
DOI: 10.1039/C3TA14249C

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Renewables pair up to power tiny generator

A current is generated by airflow resonating the polytetrafluoroethylene (PTFE) film

A current is generated by airflow resonating the polytetrafluoroethylene (PTFE) film

Tiny generators that harvest light and wind energy together have been developed by scientists in China. This technology works 24 hours a day to generate power and could run sensors or LEDs, or even charge lithium-ion batteries.

Shrinking triboelectric generators into today’s tiny gadgets limits their output. Friction between two films within the device generates the power but when miniaturised, the wear of these electrodes hinders this process.

Read the full article at Chemistry World today!

Nanogenerator for Harvesting Airflow Energy and Light Energy
Chenguo Hu, et al.
J. Mater. Chem. A, 2013, Accepted Manuscript
DOI: 10.1039/C3TA14421F, Paper

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Hot Articles for December!

Impact of phosphorylation on the encapsulation of nucleoside analogues within porous iron(III) metal-organic framework MIL-100(Fe) nanoparticles
Valentina Agostoni, Resmi Anand, Sandra Monti, Shaun Hall, Guillaume Maurin, Patricia Horcajada, Christian Serre, Kawthar Bouchemal and Ruxandra Gref

3D porous layered double hydroxides grown on graphene as advanced electrochemical pseudocapacitor materials
Luojiang Zhang, Jie Wang, Jiajia Zhu, Xiaogang Zhang, Kwan San Hui and Kwun Nam Hui

Surface passivation and band engingeering: a way toward high efficiency graphene-planar Si solar cells
Chao Xie, Xiaozhen Zhang, Yiming Wu, Xiujuan Zhang, Xiwei Zhang, Yan Wang, Wenjun Zhang, Peng Gao, Yuanyuan Han and Jiansheng Jie

These papers are free to access until 20th January 2014 

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