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Salt-enabled visual detection of DNA

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15744-15747
DOI: 10.1039/C4CC06536K, CommunicationXilong Wang, Xun Chen, Sha Sun, Feifei Zhang, Jin Zhu
A label-free, salt-enabled visual detection strategy for DNA, based on the alteration of surface adhesion properties of water with self-assembled DNA nanostructures, has been developed.
The content of this RSS Feed (c) The Royal Society of Chemistry

A co-operative Ni-Cu system for Csp-Csp and Csp-Csp2 cross-coupling providing a direct access to unsymmetrical 1,3-diynes and en-ynes

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15784-15787
DOI: 10.1039/C4CC07413K, CommunicationNirmalya Mukherjee, Debasish Kundu, Brindaban C. Ranu
An efficient cross coupling of alkynes with alkynyl and alkenyl halides catalysed by a Ni-Cu system without any ligand leading to the synthesis of a series of functionalised 1,3-di-ynes and en-ynes has been achieved.
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Efficient synthesis of [small pi]-extended phenazasilines for optical and electronic applications

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15760-15763
DOI: 10.1039/C4CC06636G, CommunicationHuanhuan Li, Yang Wang, Kai Yuan, Ye Tao, Runfeng Chen, Chao Zheng, Xinhui Zhou, Junfeng Li, Wei Huang
The rhodium-catalyzed synthesis of phenazasilines from readily achievable biarylhydrosilanes is presented. This highly efficient method offers opportunities for preparing [small pi]-extended phenazasilines with enhanced optoelectronic properties for device applications in organic electronics.
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I-motif-based nano-flares for sensing pH changes in live cells

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15768-15771
DOI: 10.1039/C4CC08054H, CommunicationJin Huang, Yong He, Xiaohai Yang, Kemin Wang, Le Ying, Ke Quan, Yanjing Yang, Bincheng Yin
Here, we report an intracellular probe termed i-motif-based nano-flares. They could sense pH change in a live cell since they combine cellular transfection, enzymatic protection, and pH detection.
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Crown ethers attenuate aggregation of amyloid beta of Alzheimer's disease

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15792-15795
DOI: 10.1039/C4CC06029F, CommunicationYanli Tian, Xueli Zhang, Yuyan Li, Timothy M. Shoup, Xin Teng, David R. Elmaleh, Anna Moore, Chongzhao Ran
Crown ethers were used to "neutralize" positive charges of the amino groups of A[small beta]s through the formation of hydrogen bonds, and thus inhibit the aggregation of A[small beta]s.
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TfOH-catalyzed synthesis of 3-aryl isoindolinones via a tandem reaction

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15780-15783
DOI: 10.1039/C4CC06653G, CommunicationJiaxing Hu, Hua-Li Qin, Wengang Xu, Junli Li, Fanglin Zhang, Hua Zheng
A convenient method for the synthesis of 3-aryl isoindolinones via TfOH catalyzed C-H functionalization of arenes with 2-formylbenzonitriles is developed.
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In situ labelling chemistry of respiratory syncytial viruses by employing the biotinylated host-cell membrane protein for tracking the early stage of virus entry

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15776-15779
DOI: 10.1039/C4CC06264G, CommunicationLin Ling Zheng, Xiao Xi Yang, Yue Liu, Xiao Yan Wan, Wen Bi Wu, Ting Ting Wang, Qiang Wang, Shu Jun Zhen, Cheng Zhi Huang
An in situ strategy for producing quantum dot-labelled respiratory syncytial viruses by incorporating the biotinylated membrane protein of the host cells into mature virions is reported.
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Facile synthesis of hydrophilic multi-colour and upconversion photoluminescent mesoporous carbon nanoparticles for bioapplications

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15772-15775
DOI: 10.1039/C4CC07121B, CommunicationQinglu Kong, Lingxia Zhang, Jianan Liu, Meiying Wu, Yu Chen, Jingwei Feng, Jianlin Shi
Hydrophilic mesoporous carbon nanoparticles have been synthesized via a precursor carbonization-in-solvent route, which display multicolor and upconversion photoluminescence properties.
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Efficient cycloaddition of epoxides and carbon dioxide over novel organic-inorganic hybrid zeolite catalysts

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15764-15767
DOI: 10.1039/C4CC07620F, CommunicationChen-Geng Li, Le Xu, Peng Wu, Haihong Wu, Mingyuan He
The organic-inorganic lamellar MFI zeolites, containing embedded Gemini-type quaternary ammonium groups and changeable halogen anions, serve as active and reusable catalysts for the cycloaddition of epoxides and carbon dioxide.
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Facet dependent SEI formation on the LiNi0.5Mn1.5O4 cathode identified by in situ single particle atomic force microscopy

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15756-15759
DOI: 10.1039/C4CC07290A, CommunicationRan-Ran Liu, Xin Deng, Xing-Rui Liu, Hui-Juan Yan, An-Min Cao, Dong Wang
A protocol is developed for direct observation of SEI growth on different facets of particle-shape LiNi0.5Mn1.5O4 electrodes by in situ AFM.
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Organic functionalisation of graphene catalysed by ferric perchlorate

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15722-15725
DOI: 10.1039/C4CC07647H, CommunicationLei Yang, Junpo He
We have developed a method to prepare covalently functionalised graphene using ferric perchlorate as the catalyst.
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Assembly, postsynthetic modification and hepatocyte targeting by multiantennary, galactosylated soft structures

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15752-15755
DOI: 10.1039/C4CC07074G, CommunicationAnisha Thomas, Akansha Shukla, Sri Sivakumar, Sandeep Verma
Enzyme modifiable, hollow self-assembled structures offer an excellent scope for multiantennary delivery vectors.
The content of this RSS Feed (c) The Royal Society of Chemistry

Three-dimensionally designed anti-reflective silicon surfaces for perfect absorption of light

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15710-15713
DOI: 10.1039/C4CC07341J, CommunicationSeong J. Cho, Taechang An, Geunbae Lim
We successfully demonstrate a novel three-dimensionally designed (3D) silicon structure, which has the most advanced property than the previous anti-reflective materials.
The content of this RSS Feed (c) The Royal Society of Chemistry

Gold nanoparticles functionalized with cresyl violet and porphyrin via hyaluronic acid for targeted cell imaging and phototherapy

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15696-15698
DOI: 10.1039/C4CC07565J, CommunicationYanchao Song, Zhe Wang, Lihong Li, Wen Shi, Xiaohua Li, Huimin Ma
Gold nanoparticles functionalized with cresyl violet and porphyrin via hyaluronic acid can serve as a nanoprobe for both targeted cell imaging and phototherapy.
The content of this RSS Feed (c) The Royal Society of Chemistry

Amino acid bioconjugation via iClick reaction of an oxanorbornadiene-masked alkyne with a MnI(bpy)(CO)3-coordinated azide

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15692-15695
DOI: 10.1039/C4CC07892F, CommunicationLucas Henry, Christoph Schneider, Benedict Mutzel, Peter V. Simpson, Christoph Nagel, Katharina Fucke, Ulrich Schatzschneider
Inherently metal-centered reactivity of a metal-azide complex with a "masked" alkyne gives rise to bioconjugates in a catalyst-free room temperature reaction.
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Oxidative cross-dehydrogenative coupling between N-aryl tetrahydroisoquinolins and 5H-oxazol-4-ones through two methodologies: copper catalysis or a metal-free strategy

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15714-15717
DOI: 10.1039/C4CC04508D, CommunicationXihong Liu, Jinlong Zhang, Shixiong Ma, Yunxia Ma, Rui Wang
A direct oxidative CDC of N-aryl tetrahydroisoquinolins with 5H-oxazol-4-ones catalyzed by CuBr under air atmosphere has been developed, which could also proceed smoothly under a metal-free oxidative system.
The content of this RSS Feed (c) The Royal Society of Chemistry

Boryl-assisted hydrogenolysis of a nickel-methyl bond

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15718-15721
DOI: 10.1039/C4CC07616H, CommunicationNatalia Curado, Celia Maya, Joaquin Lopez-Serrano, Amor Rodriguez
The cooperative role of the boryl moiety in the hydrogenation of a Ni-Me bond containing a diphosphino-boryl (PBP) pincer ligand is described.
The content of this RSS Feed (c) The Royal Society of Chemistry

A fluorescent organic cage for picric acid detection

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15788-15791
DOI: 10.1039/C4CC06225F, CommunicationKoushik Acharyya, Partha Sarathi Mukherjee
Dynamic covalent chemistry has been utilized to synthesise a fluorescent [3+2] self-assembled nanoscopic organic cage. The reduced analogue of this cage is also highly fluorescent and was further exploited for the remarkably high selective detection of explosive picric acid (PA).
The content of this RSS Feed (c) The Royal Society of Chemistry

Fluorescent polymers from non-fluorescent photoreactive monomers

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15681-15684
DOI: 10.1039/C4CC07792J, CommunicationJan O. Mueller, Dominik Voll, Friedrich G. Schmidt, Guillaume Delaittre, Christopher Barner-Kowollik
A facile, fast and ambient-temperature avenue towards highly fluorescent polymers is introduced via polymerizing non-fluorescent photoreactive monomers based on light-induced NITEC chemistry, providing a platform technology for fluorescent polymers. The resulting polypyrazolines were analyzed in depth.
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Influence of moisture on the preparation, crystal structure, and photophysical properties of organohalide perovskites

Chem. Commun. - 18 November, 2014 - 20:54

Chem. Commun., 2014, 50,15819-15822
DOI: 10.1039/C4CC05231E, CommunicationKelsey K. Bass, R. Eric McAnally, Shiliang Zhou, Peter I. Djurovich, Mark E. Thompson, Brent C. Melot
The effect of preparing lead-based organohalide perovskites under inert conditions is investigated. On exposure to moisture a rapid crystallization is observed along with a change in the emission lifetime.
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