Chem. Commun.

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A role of disordered domains in regulating protein oligomerization and stability

19 August, 2014 - 22:17

Chem. Commun., 2014, 50,10797-10800
DOI: 10.1039/C4CC03863K, CommunicationOfrah Faust, Lavi Bigman, Assaf Friedler
This work describes a new role of intrinsically disordered regions in regulating the oligomeric state and thermodynamic stability of proteins.
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Direct enantioselective vinylogous aldol-cyclization cascade reaction of allyl pyrazoleamides with isatins: asymmetric construction of spirocyclic oxindole-dihydropyranones

19 August, 2014 - 22:17

Chem. Commun., 2014, 50,10790-10792
DOI: 10.1039/C4CC04235B, CommunicationTian-Ze Li, Yu Jiang, Yu-Qing Guan, Feng Sha, Xin-Yan Wu
The first enantioselective vinylogous aldol-cyclization cascade reaction of allyl pyrazoleamides with isatins has been developed.
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Quaternized carbon dot-modified graphene oxide for selective cell labelling - controlled nucleus and cytoplasm imaging

19 August, 2014 - 22:17

Chem. Commun., 2014, 50,10782-10785
DOI: 10.1039/C4CC02637C, CommunicationK. K. R. Datta, O. Kozak, V. Ranc, M. Havrdova, A. B. Bourlinos, K. Safarova, K. Hola, K. Tomankova, G. Zoppellaro, M. Otyepka, R. Zboril
Cationic quaternized carbon dots (QCDs) and anionic graphene oxide sheets (GO) are combined via non-covalent interactions following a self-assembly pathway to form highly biocompatible and fluorescent hybrid materials.
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Low energy structural dynamics and constrained libration of Li(NH3)4, the lowest melting point metal

19 August, 2014 - 22:17

Chem. Commun., 2014, 50,10778-10781
DOI: 10.1039/C4CC03397C, CommunicationA. G. Seel, E. Zurek, A. J. Ramirez-Cuesta, K. R. Ryan, M. T. J. Lodge, P. P. Edwards
The structural dynamics of Li(NH3)4, the lowest melting point metal, are reported in the range of phonon and low-energy internal distortions. Hindrance of NH3 libration in the solid are characterised via inelastic neutron scattering and computational modeling.
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Mechanically resolving noncovalent bonds using acoustic radiation force

19 August, 2014 - 22:17

Chem. Commun., 2014, 50,10786-10789
DOI: 10.1039/C4CC03305A, CommunicationLashan De Silva, Li Yao, Shoujun Xu
Acoustic radiation force can precisely resolve noncovalent molecular bindings based on force-induced remnant magnetization spectroscopy.
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Two-dimensional layered composite photocatalysts

19 August, 2014 - 22:17

Chem. Commun., 2014, 50,10768-10777
DOI: 10.1039/C4CC02553A, Feature ArticleJingxiang Low, Shaowen Cao, Jiaguo Yu, Swelm Wageh
This feature article summarizes recent developments of 2D layered composite photocatalysts in photocatalytic hydrogen production, bacterial disinfection and pollutant degradation.
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Coupled chemical oscillators and emergent system properties

19 August, 2014 - 22:17

Chem. Commun., 2014, 50,10758-10767
DOI: 10.1039/C4CC00290C, Feature ArticleIrving R. Epstein
We review recent work on a variety of systems, from the nanometre to the centimetre scale, including microemulsions, microfluidic droplet arrays, gels and flow reactors, in which chemical oscillators interact to generate novel spatiotemporal patterns and/or mechanical motion.
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Recent progress in the chemistry of endohedral metallofullerenes

17 August, 2014 - 21:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05164E, Feature ArticleXing Lu, Lipiao Bao, Takeshi Akasaka, Shigeru Nagase
Putting metal atoms or metallic clusters into fullerenes has generated a new class of hybrid molecules, defined as endohedral metallofullerenes (EMFs), possessing novel structures and fascinating properties which are different from those of empty fullerenes.
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Self-healable macro-/microscopic shape memory hydrogels based on supramolecular interactions

17 August, 2014 - 21:54

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC04760E, CommunicationHao Meng, Peng Xiao, Jincui Gu, Xiufang Wen, Jie Xu, Chuanzhuang Zhao, Jiawei Zhang, Tao Chen
A simple strategy is provided to construct novel supramolecular hydrogels based on the dynamic interactions of phenylboronic acid modified sodium alginate (Alg-PBA) and poly(vinyl alcohol) (PVA) with both self-healing and shape memory properties.
To cite this article before page numbers are assigned, use the DOI form of citation above.
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Highly-metallized phosphonium polyelectrolytes

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10714-10717
DOI: 10.1039/C4CC05296J, CommunicationAmir Rabiee Kenaree, Bradley M. Berven, Paul J. Ragogna, Joe B. Gilroy
The synthesis, characterization, and pyrolysis of a novel class of highly-metallized, redox-active polyelectrolytes that employ phosphorus as a scaffold for the installation of transition metals is described.
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LCST-type polymers based on chiral-polymeric ionic liquids

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10683-10686
DOI: 10.1039/C4CC03140G, CommunicationSilvia Montolio, Laura Gonzaez, Belen Altava, Heikki Tenhu, Maria Isabel Burguete, Eduardo Garcia-Verdugo, Santiago V. Luis
The self-assembly of linear polymers containing chiral IL units generates a high-order supramacromolecular structure with a complex hierarchical architecture, which is able to exhibit thermoresponsive behavior (lower critical solution temperature: LCST) with different structural elements that can be used to fine tune this LCST.
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An air-stable cationic iridium hydride as a highly active and general catalyst for the isomerization of terminal epoxides

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10592-10595
DOI: 10.1039/C4CC05260A, CommunicationNicolas Humbert, Devendra J. Vyas, Celine Besnard, Clement Mazet
We describe the use of an air-stable iridium hydride catalyst for the isomerization of terminal epoxides into aldehydes with perfect regioselectivity.
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A divalent heteroleptic lanthanoid fluoride complex stabilised by the tetraphenylcyclopentadienyl ligand, arising from C-F activation of pentafluorobenzene

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10655-10657
DOI: 10.1039/C4CC04427D, CommunicationG. B. Deacon, F. Jaroschik, P. C. Junk, R. P. Kelly
The divalent heteroleptic lanthanoid fluoride complex, [Yb(C5Ph4H)([small mu ]-F)(thf)2]2, as well as [Yb(C5Ph4H)2(thf)] and [Yb(C5Ph4H)(C6F5)(thf)2] were obtained from reactions of ytterbium metal with Hg(C6F5)2 and tetraphenyl-cyclopentadiene under different conditions.
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Positive supercoiling affiliated with nucleosome formation repairs non-B DNA structures

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10641-10644
DOI: 10.1039/C4CC04789C, CommunicationDawei Li, Bei Lv, Hao Zhang, Jasmine Yiqin Lee, Tianhu Li
It is demonstrated that positive supercoiling affiliated with nucleosome formation can act as the driving force to repair the G-quadruplex, cruciform as well as a stable non-B DNA structure caused by peptide nucleic acid.
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A lithiomethyl trimethylammonium reagent as a methylene donor

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10604-10607
DOI: 10.1039/C4CC04579C, CommunicationTim den Hartog, Juan M. Sarria Toro, Erik P. A. Couzijn, Peter Chen
A soluble analogue of Wittig's lithiomethyl trimethylammonium reagent has been prepared, studied, and used as efficient methylene donor.
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Bicomponent hydrogen-bonded nanostructures formed by two complementary molecular Landers on Au(111)

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10619-10621
DOI: 10.1039/C4CC03550J, CommunicationN. Kalashnyk, M. Yu, R. Barattin, Y. Benjalal, M. Hliwa, C. Joachim, E. Laegsgaard, F. Besenbacher, A. Gourdon, X. Bouju, T. R. Linderoth
One- and two-dimensional structures formed by two Lander molecules on Au(111) via 3D-optimized or complementary triple H-bonding are studied by scanning tunneling microscopy and rationalized by numerical calculations.
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Fullerene derivatives with increased dielectric constants

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10645-10647
DOI: 10.1039/C4CC04366A, CommunicationFatemeh Jahani, Solmaz Torabi, Ryan C. Chiechi, L. Jan Anton Koster, Jan C. Hummelen
The dielectric constant of fullerene derivatives is increased through covalent modification and without deleterious effects on other properties.
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PCR quantification of SiO2 particle uptake in cells in the ppb and ppm range via silica encapsulated DNA barcodes

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10707-10709
DOI: 10.1039/C4CC04480K, CommunicationMarcus Hoop, Daniela Paunescu, Philipp R. Stoessel, Fritz Eichenseher, Wendelin J. Stark, Robert N. Grass
The cellular uptake of silica nanoparticles loaded with a DNA barcode can be detected at a 10 fg per cell level utilizing qPCR analytics.
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Smart dual-functional warhead for folate receptor-specific activatable imaging and photodynamic therapy

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10600-10603
DOI: 10.1039/C4CC04166F, CommunicationJisu Kim, Ching-Hsuan Tung, Yongdoo Choi
Folic acid as a bi-functional warhead to develop smart dual-targeted theranostic agents.
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Gold-catalyzed intermolecular oxidation of o-alkynylbiaryls: an easy and practical access to functionalized fluorenes

17 August, 2014 - 21:54

Chem. Commun., 2014, 50,10726-10729
DOI: 10.1039/C4CC05115G, CommunicationFei Pan, Shuang Liu, Chao Shu, Rong-Kun Lin, Yong-Fei Yu, Jin-Mei Zhou, Long-Wu Ye
A novel gold-catalyzed intermolecular oxidation of o-alkynylbiaryls has been developed. A variety of functionalized fluorenes are readily accessed by utilizing this non-diazo approach, thus providing a viable alternative to synthetically useful fluorenes.
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