October 2012 – RSC Advances Blog

Archive for October, 2012

Top ten most accessed articles in September

25 Oct 2012

This month sees the following articles in that are in the top ten most accessed:-

Synthesis of graphene-based nanomaterials and their application in energy-related and environmental-related areas
Guixia Zhao, Tao Wen, Changlun Chen and Xiangke Wang
RSC Adv., 2012, 2, 9286-9303
DOI: 10.1039/C2RA20990J

Progress in redox flow batteries, remaining challenges and their applications in energy storage
Puiki Leung, Xiaohong Li, Carlos Ponce de León, Leonard Berlouis, C. T. John Low and Frank C. Walsh
RSC Adv., 2012, 2, 10125-10156
DOI: 10.1039/C2RA21342G

Graphene–inorganic nanocomposites
Song Bai and Xiaoping Shen
RSC Adv., 2012, 2, 64-98
DOI: 10.1039/C1RA00260K

Iron-containing nanomaterials: synthesis, properties, and environmental applications
Boris I. Kharisov, H. V. Rasika Dias, Oxana V. Kharissova, Victor Manuel Jiménez-Pérez, Betsabee Olvera Pérez and Blanca Muñoz Flores
RSC Adv., 2012, 2, 9325-9358
DOI: 10.1039/C2RA20812A

Development of a pyrene based “turn on” fluorescent chemosensor for Hg²⁺
Gandhi Sivaraman, Thangaraj Anand and Duraisamy Chellappa
RSC Adv., 2012, 2, 10605-10609
DOI: 10.1039/C2RA21202A

Hierarchical NiO hollow microspheres assembled from nanosheet-stacked nanoparticles and their application in a gas sensor
Guoxing Zhu, Chunyan Xi, Huan Xu, Dan Zheng, Yuanjun Liu, Xiang Xu and Xiaoping Shen
RSC Adv., 2012, 2, 4236-4241
DOI: 10.1039/C2RA01307J

Graphene quantum dots with controllable surface oxidation, tunable fluorescence and up-conversion emission
Shoujun Zhu, Junhu Zhang, Xue Liu, Bo Li, Xingfeng Wang, Shijia Tang, Qingnan Meng, Yunfeng Li, Ce Shi, Rui Hu and Bai Yang
RSC Adv., 2012, 2, 2717-2720
DOI: 10.1039/C2RA20182H

Recent developments in solvent-free multicomponent reactions: a perfect synergy for eco-compatible organic synthesis
Maya Shankar Singh and Sushobhan Chowdhury
RSC Adv., 2012, 2, 4547-4592
DOI: 10.1039/C2RA01056A

Graphene oxide and its reduction: modeling and experimental progress
Shun Mao, Haihui Pu and Junhong Chen
RSC Adv., 2012, 2, 2643-2662
DOI: 10.1039/C2RA00663D

Boron dipyrromethene (BODIPY)-based photosensitizers for photodynamic therapy
Samuel G. Awuah and Youngjae You
RSC Adv., 2012, Advance Article
DOI: 10.1039/C2RA21404K

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Efficient one-pot synthesis of pyrrolylBODIPY dyes

18 Oct 2012

A straightforward route to synthesize pyrrolylBODIPY dyes, which can be used for fluorescent imaging, from acid chloride and excess pyrrole has been developed by scientists in China.

Pyrrolyldipyrromethenes contain the same core structure as the natural red pigment prodigiosin, and have received a lot of interest due to their broad range of biological activities. When pyrrolyldipyrromethene is complexed with boron, the result is long wavelength absorbing and emitting fluorescent dyes. In the synthesis of these dyes, the key step is the synthesis of the 2,2′-bipyrrole unit which often involves multiple steps and the use of expensive catalysts.

In this work, Erhong Hao, Lijuan Jiao and colleagues from Anhui Normal University, China, report that by reacting acyl chloride and excess pyrrole in dichloromethane under an oxygen atmosphere, to give the pyrrolylBODIPY dyes after about 10 hours. The application of these dyes to the fluorescent imaging of living-cells was then tested and the results suggested that the dyes were non-toxic and could easily be taken up by the cells.

Read the full article for free!

One-pot efficient synthesis of pyrrolylBODIPY dyes from pyrrole and acyl chloride, Min Zhang, Erhong Hao, Yajun Xu, Shengzhou Zhang, Hongnian Zhu, Qi Wang, Changjiang Yu and Lijuan Jiao, RSC Adv., 2012, DOI: 10.1039/C2RA22203E

You may also be interested in these articles…

Synthesis and spectroscopic properties of bodipy dimers with effective solid-state emission, Lizhi Gai, Hua Lu, Bin Zou, Guoqiao Lai, Zhen Shen and Zhifang Li, RSC Adv., 2012, 2, 8840-8846

Thienyl-substituted BODIPYs with strong visible light-absorption and long-lived triplet excited states as organic triplet sensitizers for triplet–triplet annihilation upconversion, Yinghui Chen, Jianzhang Zhao, Lijuan Xie, Huimin Guo and Qiuting Li, RSC Adv., 2012, 2, 3942-3953

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Biocatalysis: an article collection

11 Oct 2012

Beers, wines and cheeses are enjoyed around the world today and have been for millennia. In fact the practices of brewing and cheese-making pre-date recorded history so it is difficult to accurately determine when we first started using naturally occurring enzymes and microorganisms to create valuable (and in this case, tastier!) products.

Biocatalysts are of course used in far more diverse applications than the creation of food-stuffs, including in many organic syntheses and in the generation of fine chemicals. Due to their natural design, they can offer superior selectivity for particular products and have a far lower environmental impact than many traditional catalysts. Our knowledge and understanding of biocatalysts has increased dramatically in the last few decades, which has allowed us to develop biologically modified and biomimetic catalysts for a range of applications.

To keep you up to date with the latest advances in this rapidly expanding field we have collected together these high impact articles and made them free to access until the 31^st October!

Click here to read the full collection

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Top ten most accessed articles in August

04 Oct 2012

This month sees the following articles in RSC Advances that are in the top ten most accessed:-

Graphene-inorganic nanocomposites
Song Bai and Xiaoping Shen
RSC Adv., 2012, 2, 64-98, DOI: 10.1039/C1RA00260K

Nitrogen-doped graphene with high nitrogen level via a one-step hydrothermal reaction of graphene oxide with urea for superior capacitive energy storage
Li Sun, Lei Wang, Chungui Tian, Taixing Tan, Ying Xie, Keying Shi, Meitong Li and Honggang Fu
RSC Adv., 2012,2, 4498-4506, DOI: 10.1039/C2RA01367C, Paper

Graphene oxide and its reduction: modeling and experimental progress
Shun Mao, Haihui Pu and Junhong Chen
RSC Adv., 2012, 2, 2643-2662, DOI: 10.1039/C2RA00663D

Organocatalytic Mannich/cyclization/aromatization sequence: direct synthesis of substituted pyrrole-3-carboxaldehydes
Indresh Kumar, Nisar A. Mir, Panduga Ramaraju and Basant P. Wakhloo
RSC Adv., 2012,2, 8922-8925, DOI: 10.1039/C2RA21258G, Communication

3D anatase TiO₂ hollow microspheres assembled with high-energy {001} facets for lithium-ion batteries
Yanlong Yu, Xiaoliang Wang, Hongyu Sun and Mashkoor Ahmad
RSC Adv., 2012,2, 7901-7905, DOI: 10.1039/C2RA20718D, Paper

A facile room-temperature route to flower-like CuO microspheres with greatly enhanced lithium storage capability
Zhengqiu Yuan, Yan Wang and Yitai Qian
RSC Adv., 2012,2, 8602-8605, DOI: 10.1039/C2RA21267F, Communication

Cucurbituril chemistry: a tale of supramolecular success
Eric Masson, Xiaoxi Ling, Roymon Joseph, Lawrence Kyeremeh-Mensah and Xiaoyong Lu
RSC Adv., 2012,2, 1213-1247, DOI: 10.1039/C1RA00768H, Review Article

Why not take a look at the articles today and blog your thoughts and comments below.

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RSC Advances Blog

Archive for October, 2012

Top ten most accessed articles in September

Efficient one-pot synthesis of pyrrolylBODIPY dyes

Biocatalysis: an article collection

Top ten most accessed articles in August

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