Royal Society of Chemistry

Control of nanoparticle penetration into biofilms through surface design

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07737G, CommunicationXiaoning Li, Yi-Cheun Yeh, Karuna Giri, Rubul Mout, Ryan Landis, Y. S. Prakash, Vincent M Rotello
Quantum dots were used as fluorescent probes to investigate nanoparticle penetration into biofilms. The particle penetration behavior was found to be controlled by surface chemical properties.
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Dianthraceno[a,e]pentalenes: Synthesis, Crystallographic Structures and Applications for Organic Field-Effect Transistors

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07630C, CommunicationGaole Dai, Jing-Jing Chang, Wen-Hua Zhang, Shiqiang Bai, Kuo-Wei Huang, Jianwei Xu, Chunyan Chi
Two soluble and stable dianthraceno[a,e]pentalenes with two (DAP1) and six (DAP2) phenyl substituents were synthesized. Both compounds possess a small energy band gap and show amphoteric redox behaviour due to...
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Visible Light Induced Cyclopropanation of Dibromomalonates with Alkenes via Double-SET by Photoredox Catalysis

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08203F, CommunicationYanbin Zhang, rong qian, Xing-Liang Zheng, Yi Zeng, Jing Sun, Yiyong Chen, Aishun Ding, Hao Guo
We report herein a visible light induced generation of carbanion via Double-SET and its application in cyclopropanation of alkenes. This new synthetic approach to cyclopropane derivatives was conducted under mild...
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Step-wise induction, amplification and inversion of molecular chirality through the coordination of chiral diamines with Zn(II)bisporphyrin

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07955H, CommunicationSk. Asif Ikbal, Sanfaori Brahma, Sankar Prasad Rath
For the first time, a clear and unambiguous rationalization of chirality induction and inversion process has been demonstrated for the 1:1 sandwich and 2:3 host-guest supramolecular complexes consisting of Zn(II)...
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Self-assembled levan nanoparticles for targeted breast cancer imaging

Chem. Commun. - 10 November, 2014 - 18:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC07679F, CommunicationSun-Jung Kim, Pan Kee Bae, Bong Hyun Chung
We report on the targeted imaging of breast cancer using self-assembled levan nanoparticles.
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Herringbone to cofacial solid state packing via H-bonding in diketopyrrolopyrrole (DPP) based molecular crystals: influence on charge transport

Chem. Commun. - 10 November, 2014 - 18:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06063F, CommunicationJoydeep Dhar, Durga Prasad Karothu, Satish Patil
A change in crystal packing from herringbone to cofacial via H-bonding improves charge carrier mobility in diketopyrrolopyrrole based molecular materials.
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Embedding of a ruthenium(II) water oxidation catalyst into nanofibers by self-assembly

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08314H, CommunicationValentin Kunz, Vladimir Stepanenko, Frank Wurthner
A novel ruthenium(II) water oxidation catalyst equipped with axial perylene bisimide ligands was synthesized that self-assembled into nanofibers. This fiber-embedded catalyst exhibited improved performance compared with a monomeric reference for...
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Organic-free synthesis of layer-like FAU-type zeolites

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07947G, CommunicationAlexandra Inayat, Christopher Schneider, Wilhelm Schwieger
The formation of layer-like FAU-type zeolites was facilitated in the absence of any organic template. Instead, the addition of simple inorganic salts turned out to be an effective and easy...
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Structure orientation of hemin self-assembly layer determining the direct electron transfer reaction

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07719A, CommunicationGui-Xia Wang, Yue Zhou, Min Wang, Wen-Jing Bao, Kang Wang, Xinghua Xia
We propose a strategy to control directly the orientation of hemin plane via experimental models, Hemin-His model and Hemin-MHN-ODT model. Electrochemical results show that electron communication is largely enhanced when...
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Signal enhancement of electrochemical biosensors via direct electrochemical oxidation of silver nanoparticle labels coated with zwitterionic polymer

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07474B, CommunicationRoland Geagea, Pierre-Henri Aubert, P. Banet, Nicolas Sanson
A new electrochemical label has been developed. It is made of silver nanoparticles (AgNP) coated with a mixture of zwitterionic and biotinylated zwitterionic polymers. These polymers both improve colloidal stability...
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Smart pH- responsive upconversion nanoparticles for enhanced tumor cellular internalization and near-infrared light-triggered photodynamic therapy

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08178A, CommunicationSheng Wang, Lei Zhang, Chunhong Dong, Lin Su, Hanjie Wang, Jin Chang
A smart pH-responsive photodynamic therapy system based on upconversion nanoparticle loaded PEG coated polymeric lipid vesicles (RB-UPPLVs) was designed and prepared. These RB-UPPLVs can achieve enhanced tumor cellular internalization and...
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A novel approach to prepare optically active ion doped luminescent materials via electron beam evaporation into ionic liquids

Chem. Commun. - 10 November, 2014 - 18:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05817H, CommunicationK. Richter, C. Lorbeer, A.-V. Mudring
A novel approach to prepare luminescent materials via electron-beam evaporation into ionic liquids is presented which even allows doping of host lattices with ions that have a strong size mismatch.
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A ketone functionalized luminescent terbium metal-organic framework for sensing of small molecules

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06729K, CommunicationZhiyong Guo, Xuezi Song, Huaping Lei, Hailong Wang, Shengqun Su, Hui Xu, Guodong Qian, Hongjie Zhang, Banglin Chen
A ketone functionalized luminescent terbium metal-organic framework has been realized for the highly selective and sensitive sensing of aniline.
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Sulphur promoted C(sp3)-C(sp2) cross dehydrogenative cyclisation of acetophenone hydrazones with aldehydes: an efficient synthesis of 3, 4, 5-trisubstituted 1H-pyrazoles

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08210A, CommunicationRajeshwer Vanjari, Tirumaleswararao Guntreddi, Saurabh Kumar, Krishna Nand Singh
A novel strategy for the cross dehydrogenative coupling (CDC) of acetophenone hydrazones and aldehydes has been developed for the synthesis of highly substituted pyrazoles. The report makes first-time use of...
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Composite 5A Zeolite with Ultrathin Porous TiO2 Coating for Selective Gas Adsorption

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08186B, Communicationzhuonan song, yi huang, Lei Wang, Shiguang Li, miao Yu
A composite zeolite adsorbent was prepared by conformally depositing an ultrathin porous TiO2 coating on the external surface of the 5A zeolite by molecular layer deposition (MLD) and subsequent calcination....
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A cage-based cationic body-centered tetragonal metal-organic framework: single-crystal to single-crystal transformation and selective uptake of organic dyes

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07357F, CommunicationDiming Chen, Wei Shi, Peng Cheng
A cage-based cationic body-cantered cubic metal-organic framework was successfully synthesized with a customer-designed bifunctional triazolcarboxylate ligand. It shows interesting single-crystal-to-single-crystal transformation upon solvent exchange process and selective uptake of organic...
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Seed-engineering Approach toward Hollow Nanoreactor Suitable for the Confined Synthesis of Less-noble Ni-based Nanocrystals

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC07306A, CommunicationKwanyong Jeong, Soo Min Kim, In Su Lee
This study was performed with the aim to extend the utility of the hollow nanoreactor approach, which templates the synthesis of metal nanocrystals, toward producing the less-reducible and, therefore, less...
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Frustrated Lewis Pair Behavior of Monomeric (Boryl)iminomethanes Accessed from Isocyanide 1,1-Hydroboration

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08037H, CommunicationBrandon R Barnett, Curtis E. Moore, Arnold L Rheingold, Joshua S. Figueroa
The activation of carbon dioxide, organonitriles, and terminal acetylenes by (boryl)iminomethanes derived from isocyanide 1,1-hydroboration is described. Also detailed is the generality of hydroboration of m-terphenylisocyanides with hydroboranes of differing...
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A Lewis Acid Activated Reaction of Zn with EtI to Promote Highly Enantioselective Alkyne Additions to Aldehydes

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08031A, CommunicationShan-Yong Chen, Winnie Liu, Xuedan Wu, Jun Ying, Xiao-Qi Yu, Lin Pu
An easily available BINOL-Ti(OiPr)4 catalyst system is found to activate the reaction of Zn powder with EtI for the asymmetric alkyne addition to aldehydes at room temperature. It allows the...
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Switching Intermolecular Interactions by Confinement in Carbon Nanotubes

Chem. Commun. - 10 November, 2014 - 18:54
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC08029G, CommunicationThomas Chamberlain, Maria A. Lebedeva, Wissam Abuajwa, Mikhail Suyetin, William Lewis, Elena Bichoutskaia, M Schroder, Andrei N Khlobystov
The encapsulation of trityl-functionalised C60 molecules inside carbon nanotubes drastically affects the intermolecular interactions for this species. Whilst the orientations of molecules in the crystal are often controlled by thermodynamics,...
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