Chem. Commun.

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Stimuli-responsive cancer therapy based on nanoparticles

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11614-11630
DOI: 10.1039/C4CC03984J, Feature ArticleJing Yu, Xin Chu, Yanglong Hou
Nanoparticle (NP)-based stimuli-sensitive cancer therapy, including pH-, reduction-sensitive NPs and light-, magnetic field-responsive NPs are reviewed.
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Block copolymer self-assembly controlled by the "green" gas stimulus of carbon dioxide

11 September, 2014 - 03:54

Chem. Commun., 2014, 50,11631-11641
DOI: 10.1039/C4CC03412K, Feature ArticleQiang Yan, Yue Zhao
CO2 can act as a "green" stimulus to precisely tune the self-assembly of block copolymers.
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Solid phase chemical ligation employing a rink amide linker for the synthesis of histone H2B protein

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06499B, CommunicationMuhammad Jbara, Mallikanti Seenaiah, Ashraf Brik
A solid phase chemical ligation strategy employing native chemical ligation and a Rink-amide linker for protein synthesis.
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Formal synthesis of kingianin A based upon a novel electrochemically-induced radical cation Diels-Alder reaction

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05906A, CommunicationJonathan C. Moore, E. Stephen Davies, Darren A. Walsh, Pallavi Sharma, John E. Moses
The application of electrochemical reactions in natural product synthesis has burgeoned in recent years. We herein report a formal synthesis of the complex and dimeric natural product kingianin A, which employs an electrochemically-mediated radical cation Diels-Alder cycloaddition as the key step.
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Dinuclear osmium(II) probes for high-resolution visualisation of cellular DNA structure using electron microscopy

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05547K, CommunicationAshley Wragg, Martin R. Gill, Christopher J. Hill, Xiaodi Su, Anthony J. H. M. Meijer, Carl Smythe, Jim A. Thomas
Dinuclear osmium(II) complexes are excellent easy-to-handle probes for transmission electron microscopy, facilitating high-resolution intracellular imaging of sub-nuclear structures.
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Luminescent terbium-containing metal-organic framework films: new approaches for the electrochemical synthesis and application as detectors for explosives

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05742B, CommunicationNicolo Campagnol, Ernesto Rezende Souza, Dirk E. De Vos, Koen Binnemans, Jan Fransaer
The flexibility of the electrochemical synthesis of MOFs is illustrated by the preparation of well-adhering layers of luminescent MOFs on electrically conductive solid substrates.
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Metal coordination, and metal-ligand redox non-innocence, modulates allosteric C-N bond homolysis in an N-benzyl tetrazine

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06235C, CommunicationCooper W. Johnston, Travis R. Schwantje, Michael J. Ferguson, Robert McDonald, Robin G. Hicks
Coordination of a ruthenium fragment to an N-benzyl tetrazine ligand reduces the (already weak) C-N bond strength by 16 kcal mol-1.
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An NIR-responsive and sugar-targeted polypeptide composite nanomedicine for intracellular cancer therapy

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05983B, CommunicationGang Liu, Linzhu Zhou, Yue Su, Chang-Ming Dong
The UCNP-loaded polypeptide composite nanoparticles that present fast NIR-sensitivity and tunable sugar-targeting properties are fabricated, opening a new avenue for on-demand and targeted cancer therapy.
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Enantioselective iodolactonization of allenoic acids

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05414H, CommunicationKenichi Murai, Nozomi Shimizu, Hiromichi Fujioka
An enantioselective iodolactonization reaction of allenoic acids has been developed using a trisimidazoline catalyst and I2.
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Selective phosphanyl complex trapping using TEMPO. Synthesis and reactivity of P-functional P-nitroxyl phosphane complexes

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06084A, CommunicationVitaly Nesterov, Zheng-Wang Qu, Gregor Schnakenburg, Stefan Grimme, Rainer Streubel
From phosphanyl to phosphanoxyl complexes: in situ reactions of phosphanyl complexes with TEMPO led to corresponding P-nitroxyl phosphane complexes, which thermally form transient phosphanoxyl complexes, the transition-metal stabilized P-analogues of nitroxyl radicals.
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In situ monitoring and optimization of room temperature ultra-fast sensitization for dye-sensitized solar cells

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05766J, CommunicationMatthew L. Davies, Trystan M. Watson, Peter J. Holliman, Arthur Connell, David A. Worsley
We describe extremely fast dyeing of TiO2 photo-electrodes for DSCs (<2 min) at room temperature giving [small eta] = 7.5%.
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Facile construction of three contiguous stereogenic centers via dynamic kinetic resolution in asymmetric transfer hydrogenation of quinolines

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06060A, CommunicationMu-Wang Chen, Xian-Feng Cai, Zhang-Pei Chen, Lei Shi, Yong-Gui Zhou
An efficient and facile route to chiral tetrahydroquinolines with three contiguous stereogenic centers via a dynamic kinetic resolution process has been successfully developed by using chiral phosphoric acid as catalyst and Hantzsch ester as the hydrogen source with up to 89% ee.
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Visual electrochemiluminescence detection of telomerase activity based on multifunctional Au nanoparticles modified with G-quadruplex deoxyribozyme and luminol

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06302C, CommunicationHuai-Rong Zhang, Yin-Zhu Wang, Mei-Sheng Wu, Qiu-Mei Feng, Hai-Wei Shi, Hong-Yuan Chen, Jing-Juan Xu
Visual ECL telomerase activity analysis is achieved on a microarray chip with multifunctional Au nanoparticles as double-catalytic amplification labels.
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Freezing-induced ordering of block copolymer micelles

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05556J, CommunicationJeremy Dhainaut, Giulia Piana, Sylvain Deville, Christian Guizard, Michaela Klotz
Silica monoliths presenting both hierarchical and mesostructured porosity were obtained by the combination of ice-templating and block-copolymers following a freezing-induced self-assembly process.
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Hollow iron oxide nanoshells are active and selective catalysts for the partial oxidation of styrene with molecular oxygen

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04749D, CommunicationMonika Joanna Rak, Michael Lerro, Audrey Moores
Well defined hollow iron oxide nanoshells are active, selective and recyclable catalysts for the oxidation of styrene into benzaldehyde using difficult-to-activate molecular oxygen as the sole oxidant.
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Structural clues to UO22+/VO2+ competition in seawater extraction using amidoxime-based extractants

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC06370H, CommunicationSteven P. Kelley, Patrick S. Barber, Peter H. K. Mullins, Robin D. Rogers
The first direct structural comparison of UO22+ and VO2+ amidoxime complexes are reported using a 4,5-di(amidoxime)-functionalized imidazole ligand.
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Coordination-Induced Spin-State-Switch (CISSS) in water

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05525J, CommunicationMarcel Dommaschk, Florian Gutzeit, Susann Boretius, Rainer Haag, Rainer Herges
A water-soluble Ni-porphyrin switches the spin state and proton relaxation time of the surrounding water upon addition of an axial ligand.
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Sulfonyl azide-mediated norbornene aziridination for orthogonal peptide and protein labeling

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04117H, CommunicationMichael J. Gattner, Michael Ehrlich, Milan Vrabel
Here we show that electron-deficient sulfonyl azides can be used for selective functionalization of norbornene containing peptides and proteins.
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Open-mouthed hybrid microcapsules with elevated enzyme loading and enhanced catalytic activity

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05809G, CommunicationJiafu Shi, Shaohua Zhang, Xiaoli Wang, Zhongyi Jiang
A novel concept of open-mouthed hybrid microcapsules is proposed for constructing an enzyme catalytic system, which shows enhanced catalytic activity and stability in comparison with enclosed microcapsule-based enzyme catalytic systems.
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Synthesis of hollow hydroxyapatite nanospheres by the control of nucleation and growth in a two phase system

9 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05088F, CommunicationHuan Zhao, Yu-Da Zhu, Jing Sun, Dan Wei, Ke-Feng Wang, Ming Liu, Hong-Song Fan, Xing-Dong Zhang
Hollow hydroxyapatite nanospheres were prepared by a two-phase approach by controlling nucleation and crystal growth processes.
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