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Recent Advances in Semiconductor Nanowire Research

22 Feb 2012

We are delighted to announce that the Nanoscale themed issue on Recent Advances in Semiconductor Nanowire Research has now been published online – take a look today!

The issue was Guest Edited by Hong Jin Fan and Qihua Xiong (Nanyang Technological University, Singapore) – take a look at their Editorial for the issue.

Professor Hongjin Fan also provided the colourful artwork for this front cover!

Issue 5 contains the following Review, Mini-Review and Feature articles:

The growth and applications of silicides for nanoscale devices
Yung-Chen Lin, Yu Chen and Yu Huang
Synthesis and optical properties of II–VI 1D nanostructures
Muhammad Iqbal Bakti Utama, Jun Zhang, Rui Chen, Xinlong Xu, Dehui Li, Handong Sun and Qihua Xiong
Oxide nanowires for solar cell applications
Qifeng Zhang, Supan Yodyingyong, Junting Xi, Daniel Myers and Guozhong Cao
Anisotropic photonic properties of III–V nanowires in the zinc-blende and wurtzite phase
Christophe Wilhelm, Alexandre Larrue, Xing Dai, Dmitri Migas and Cesare Soci
The interplay of structural and optical properties in individual ZnO nanostructures
Megan M. Brewster, Xiang Zhou, Ming-Yen Lu and Silvija Gradečak

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Modelling of the nanoscale themed issue out now!

08 Feb 2012

We are delighted to announce that the Nanoscale themed issue on Modelling of the nanoscale has now been published online – take a look today!

The issue was Guest Edited by Amanda Barnard, Chang Ming Li, Ruhong Zhou and Yuliang Zhao – take a look at their Editorial.

The outside front cover features an article on Mn monolayer modified Rh for syngas-to-ethanol conversion: a first-principles study by Fengyu Li , De-en Jiang , Xiao Cheng Zeng and Zhongfang Chen

Ripple induced changes in the wavefunction of graphene: an example of a fundamental symmetry breaking is the article highlighted on the inside front cover by Amanda S. Barnard and Ian K. Snook

Issue 4 contains the following Review and Feature articles:

Excitonic properties of graphene-based materials
Min Wang and Chang Ming Li
Atomistic theory and simulation of the morphology and structure of ionic nanoparticles
Dino Spagnoli and Julian D. Gale
Slowing and controlling the translocation of DNA in a solid-state nanopore
Binquan Luan, Gustavo Stolovitzky and Glenn Martyna

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Nanoscale Issue 3 of 2012 out now!

20 Jan 2012

The latest issue of Nanoscale is now online. You can read the full issue here.

The outside front cover features an article on Low temperature, template-free route to nickel thin films and nanowires by Meital Shviro and David Zitoun.

Superhydrophobic gecko feet with high adhesive forces towards water and their bio-inspired materials is the article highlighted on the inside front cover by Kesong Liu, Jiexing Du, Juntao Wu and Lei Jiang.

Issue 3 contains the following Feature articles:

Optical antennas as nanoscale resonators
Mario Agio
Recent advances in microwave initiated synthesis of nanocarbon materials
Xinyu Zhang and Zhen Liu
Single nanoparticle detectors for biological applications
Abdulkadir Yurt, George G. Daaboul, John H. Connor, Bennett B. Goldberg and M. Selim Ünlü

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Nanoscale Issue 2 of 2012 out now!

09 Jan 2012

The latest issue of Nanoscale is now online. You can read the full issue here:

The outside front cover features an article on High-throughput ultrasensitive characterization of chemical, structural and plasmonic properties of EBL-fabricated single silver nanoparticles by Tao Huang, Wei Cao, Hani E. Elsayed-Ali and Xiao-Hong Nancy Xu .

Atomically thin layers of MoS₂ via a two step thermal evaporation–exfoliation method is the article highlighted on the inside front cover by Sivacarendran Balendhran, Jian Zhen Ou, Madhu Bhaskaran, Sharath Sriram, Samuel Ippolito, Zoran Vasic, Eugene Kats, Suresh Bhargava, Serge Zhuiykov and Kourosh Kalantar-zadeh.

Issue 2 contains the following high-profile Reviews and Feature Articles:

Theranostic nanoplatforms for simultaneous cancer imaging and therapy: current approaches and future perspectives
Ki Young Choi, Gang Liu, Seulki Lee and Xiaoyuan Chen
Optical materials based on molecular nanoparticles
A. Patra, Ch. G. Chandaluri and T. P. Radhakrishnan
Strategies in biomimetic surface engineering of nanoparticles for biomedical applications
Yong-kuan Gong and Françoise M. Winnik
Towards nano-organic chemistry: perspectives for a bottom-up approach to the synthesis of low-dimensional carbon nanostructures
Francesco Mercuri, Matteo Baldoni and Antonio Sgamellotti

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Cleaning cadmium from blood: Nanoscale article featured in Chemistry World

06 Jan 2012

With the development of modern industries, heavy metal pollution in humans is on the rise, say researchers in China, who have now designed a supermagnetic nanocomposite to effectively remove one of the pollutants – cadmium ions – from blood.

Removal of cadmium ions from a human blood sample with a magnet

The nanocomposite binds to cadmium ions in the blood and a magnet is used to attract the resulting complex for removal

Cadmium ions damage organs and are carcinogenic. Materials currently being studied to clear them from human blood don’t possess all the required properties for this purpose.

They either have good selectivity, high saturation magnetisation or good water dispersibility, but not all three. The new composite, made by Jun Jin and Jiantai Ma from Lanzhou University and colleagues, combines all of these properties.

The team built up the nanocomposite – PAD-PEG-Fe₃O₄@PEI – from four components. The first was magnetic iron oxide nanoparticles, chosen for their low toxicity. The team coated them with polyethylenimine (PEI), which binds to cadmium ions. The coating also reduces the chances of nanoparticle uptake by red blood cells, maximising their circulation time in the blood. Polyethylene glycol (PEG) was grafted onto this as an anchor for negatively charged 2,2′-(phenylazanediyl) diacetic acid (PAD), which counteracts interactions between the nanoparticles and plasma proteins or white blood cells.

Interested to know more? Read the full article in Chemistry World here…

Read the paper from Nanoscale:

2, 2′-(phenylazanediyl) diacetic acid modified Fe₃O₄@PEI for selective removal of cadmium ions from blood
Jun Jin, Fang Yang, Fengwei Zhang, Wuquan Hu, Shao-bo Sun and Jiantai Ma
Nanoscale, 2012, Advance Article
DOI: 10.1039/C2NR11481J

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Controlling termites with nanoparticles: Nanoscale article featured in Chemistry World

04 Jan 2012

Scientists in Australia have found that mesoporous silica nanoparticles (MSNs) can store and deliver biocides in a controlled fashion over time, which could be beneficial to the timber industry with regards to termites.

Termites pose a significant threat to the industry throughout the tropics and subtropics. The conventional solution to this problem is to use agrochemical biocides such as dichloro-diphenyl-trichloroethane (DDT), aldrin, dieldrin, chlordane and heptachlor.

But these compounds cause environmental damage via bioaccumulation, threatening the existence of some species, particularly large predators at the top of the food chain. And attempts to destroy entire terminte colonies using them have been unsucessful.

Now, Zhang Qiao and colleagues at the University of Queensland, have used the pore structure of mesoporous silica nanoparticles to adsorb biocides. They found that the nanoparticles released the biocide in a controlled manner. This slow release is important as the termintes will feed on and transfer the particles to other termites, eventually leading to colony destruction.

The team chose four different types of MSN to test, using the agricultural biocide imidacloprid as a model. They found that MCM-48 particles had the highest adsorption capacity. ‘We can effectively load the biocide into MSNs and release it over 48 hours,’ says Qiao. ‘However, it is difficult to control the release because of the biocide’s water solubility and fast mass transport.’

Andrea O’Connor, an expert in nano and biomolecular engineering at the University of Melbourne, Australia, agrees that more control over release rates is needed. This would ‘minimise the early burst release and extend biocide delivery over biologically relevant time periods and dose rates’, she says. However, she adds that the system is simple and delivers the nanoparticles in a suspension into the site of an infestation ‘rather than relying on diffusion of released biocide through the environment, where it may be degraded or have undesirable adverse effects.’

Qiao adds that to effectively deliver the biocide over a period of about seven days, the MSNs need to be coated with other chemicals. The team is investigating a biodegradable polymer coating.

Carl Saxton – Chemistry World

Read the paper from Nanoscale:

Adsorption and release of biocides with mesoporous silica nanoparticles
Amirali Popat, Jian Liu, Qiuhong Hu, Michael Kennedy, Brenton Peters, Gao Qing (Max) Lu and Shi Zhang Qiao
Nanoscale, 2012, Advance Article
DOI: 10.1039/C2NR11691J

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Nanoscale Issue 1 of 2012 out now!

09 Dec 2011

The first issue of Nanoscale for 2012 is now online! You can read the full issue for free here:

Heather Montgomery (Development Editor for Nanoscale) highlights some of the many achievements of the journal in 2011 and look forwards to 2012 in her New Year Editorial.

The outside front cover features a Communication on SERS assisted ultra-fast peptidic screening: a new tool for drug discovery by Rolando Pérez-Pineiro, Miguel A. Correa-Duarte, Veronica Salgueirino and Ramon A. Alvarez-Puebla.

Fabrication of SERS-fluorescence dual modal nanoprobes and application to multiplex cancer cell imaging is the article highlighted on the inside front cover by Sangyeop Lee, Hyangah Chon, Soo-Young Yoon, Eun Kyu Lee, Soo-Ik Chang, Dong Woo Lim and Jaebum Choo.

Issue 1 contains the following Review and Feature articles:

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Nanoscale & Nanoscale Advances Blog

Author Archive

Top 10 most-read Nanoscale articles in January

Recent Advances in Semiconductor Nanowire Research

Modelling of the nanoscale themed issue out now!

Top 10 most-read Nanoscale articles in December

Nanoscale Issue 3 of 2012 out now!

Nanoscale Issue 2 of 2012 out now!

Cleaning cadmium from blood: Nanoscale article featured in Chemistry World

Controlling termites with nanoparticles: Nanoscale article featured in Chemistry World

Top Ten most-read Nanoscale articles in November

Nanoscale Issue 1 of 2012 out now!

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