Royal Society of Chemistry

A succinyl lysine-based photo-cross-linking peptide probe for Sirtuin 5

Org. and Biomol. Chem. - 13 June, 2014 - 01:17

Org. Biomol. Chem., 2014, 12,4310-4313
DOI: 10.1039/C4OB00773E, CommunicationKarunakaran A. Kalesh, Edward W. Tate
A succinylation-specific photo-cross-linking peptide probe has been developed for the NAD+-dependent hydrolase Sirtuin 5.
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Transition-metal-free oxidative carboazidation of acrylamides via cascade C-N and C-C bond-forming reactions

Org. and Biomol. Chem. - 13 June, 2014 - 01:17

Org. Biomol. Chem., 2014, 12,4329-4334
DOI: 10.1039/C4OB00720D, CommunicationJun Qiu, Ronghua Zhang
A novel transition-metal-free oxidative carboazidation of acrylamides using inexpensive NaN3 and K2S2O8 was achieved, which not only provided an efficient method to prepare various N3-substituted oxindoles, but also represented a novel strategy for C-N and C-C bond formation via a free-radical cascade process.
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Development of a PET radiotracer for non-invasive imaging of the reactive oxygen species, superoxide, in vivo

Org. and Biomol. Chem. - 13 June, 2014 - 01:17

Org. Biomol. Chem., 2014, 12,4421-4431
DOI: 10.1039/C3OB42379D, PaperWenhua Chu, Andre Chepetan, Dong Zhou, Kooresh I. Shoghi, Jinbin Xu, Laura L. Dugan, Robert J. Gropler, Mark A. Mintun, Robert H. Mach
Non-invasive imaging of reactive oxygen species (ROS) in vivo was investigated using a dihydroethidium analog [18F]12 as a PET radiotracer. The data shown indicates that [18F]12 is a promising PET tracer for non-invasive imaging of ROS in vivo.
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A chemoselective oxidation of monosubstituted ethylene glycol: facile synthesis of optically active [small alpha]-hydroxy acids

Org. and Biomol. Chem. - 13 June, 2014 - 01:17

Org. Biomol. Chem., 2014, 12,4305-4309
DOI: 10.1039/C4OB00601A, CommunicationKiran Chinthapally, Sundarababu Baskaran
A mild and efficient method for the chemoselective oxidation of monosubstituted ethylene glycols to optically active [small alpha]-hydroxy acids has been achieved using the TEMPO-NaOCl reagent system.
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Bronsted acid mediated nitrogenation of propargylic alcohols: an efficient approach to alkenyl nitriles

Org. and Biomol. Chem. - 13 June, 2014 - 01:17

Org. Biomol. Chem., 2014, 12,4324-4328
DOI: 10.1039/C4OB00888J, CommunicationXiaoqiang Huang, Ning Jiao
A novel and efficient approach to alkenyl nitriles from readily available propargylic alcohols has been developed.
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Ditopic boronic acid and imine-based naphthalimide fluorescence sensor for copper(II)

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03453H, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Meng Li, Haobo Ge, Rory L. Arrowsmith, Vincenzo Mirabello, Stanley W. Botchway, Weihong Zhu, Sofia I. Pascu, Tony D. James
Copper ions are essential for many biological processes.
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A photothermal cell viability-reporting theranostic nanoprobe for intraoperative optical ablation and tracking of tumors

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01823K, CommunicationShuqi Wu, Shoufa Han, Jiahuai Han, Xinhui Su
A photothermal acid-responsive nanoprobe was developed for intraoperative detection and photothermal killing of tumors, and tracking of therapeutic effects.
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NH3 treatment of TiO2 nanotubes: from N-doping to semimetallic conductivity

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02069C, CommunicationShaeel A. Al-Thabaiti, Robert Hahn, Ning Liu, Robin Kirchgeorg, Seulgi So, Patrik Schmuki, Sulaiman N. Basahel, Salem M. Bawaked
Synthesis of TiN nanotube arrays with metal-like conductivity.
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Convergent heteroditopic cyclo[6]aramides as macrocyclic ion-pair receptors for constructing [2]pseudorotaxanes

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC02557A, CommunicationJinchuan Hu, Long Chen, Jie Shen, Jian Luo, Pengchi Deng, Yi Ren, Huaqiang Zeng, Wen Feng, Lihua Yuan
By removing two intramolecular hydrogen bonds, cyclo[6]aramides are demonstrated to serve as convergent heteroditopic receptors with amide groups as the only functionality for organic ion pair recognition.
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Charge state-dependent catalytic activity of [Au25(SC12H25)18] nanoclusters for the two-electron reduction of dioxygen to hydrogen peroxide

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC01841A, CommunicationYizhong Lu, Yuanyuan Jiang, Xiaohui Gao, Wei Chen
The electrocatalytic activity of [Au25(SC12H25)18] clusters for H2O2 production from O2 is dependent on the charge state (-1, 0 and +1), and the maximum H2O2 production ([similar]90%) is from the negative one.
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Facile synthesis of 3D Pd-P nanoparticle networks with enhanced electrocatalytic performance towards formic acid electrooxidation

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC03282A, CommunicationJingfang Zhang, You Xu, Bin Zhang
3D Pd-P nanoparticle networks (NNs) have been successfully synthesized using a facile one-step soft-template-assisted method. The as-prepared Pd-P NNs exhibit markedly improved activity and stability towards formic acid electrooxidation over Pd NNs, commercial Pd/C and Pd-P nanoparticle aggregates (NAs).
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Control of emission colour with N-heterocyclic carbene (NHC) ligands in phosphorescent three-coordinate Cu(I) complexes

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7176-7179
DOI: 10.1039/C4CC02037E, CommunicationValentina A. Krylova, Peter I. Djurovich, Brian L. Conley, Ralf Haiges, Matthew T. Whited, Travis J. Williams, Mark E. Thompson
A series of three phosphorescent mononuclear (NHC)-Cu(I) complexes were prepared and characterized.
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Convenient detection of HPV virus in a clinical sample using concurrent rolling circle and junction probe amplifications

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7147-7149
DOI: 10.1039/C4CC02532F, CommunicationLei Yan, Kailong Liu, Herman O. Sintim
Concurrent cleavage of genomic duplex DNA using a cocktail of restriction endonucleases, ligation, rolling circle amplification and junction probe amplification and detection facilitated the detection of HPV virus in a clinical swab under isothermal conditions in a single tube.
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LiFePO4 nanoparticles encapsulated in graphene nanoshells for high-performance lithium-ion battery cathodes

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7117-7119
DOI: 10.1039/C4CC02123A, CommunicationHuilong Fei, Zhiwei Peng, Yang Yang, Lei Li, Abdul-Rahman O. Raji, Errol L. G. Samuel, James M. Tour
LiFePO4 encapsulated graphene nanoshells have been prepared by solid state reaction and show superior Li+ storage properties.
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Upon the photostability of 8-nitro-cGMP and its caging as a 7-dimethylaminocoumarinyl ester

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7120-7123
DOI: 10.1039/C4CC02828G, CommunicationAyan Samanta, Martin Thunemann, Robert Feil, Thorsten Stafforst
3[prime or minute],5[prime or minute]-Cyclic 8-nitro-GMP is photolabile, nevertheless, its photoactivation from a coumarinyl ester was achieved and applied in a phosphorylation assay.
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Intramolecular N-HCl hydrogen bonds in the outer coordination sphere of a bipyridyl bisurea-based ligand stabilize a tetrahedral FeLCl2 complex

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7173-7175
DOI: 10.1039/C4CC02297A, CommunicationJesse V. Gavette, Christina M. Klug, Lev N. Zakharov, Matthew P. Shores, Michael M. Haley, Darren W. Johnson
A bipyridyl-bisurea ligand coordinates a tetrahedral FeCl2 complex and demonstrates secondary coordination sphere influence through intramolecular hydrogen bonding to the chloride ligands.
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A multifunctional anomeric linker for the chemoenzymatic synthesis of complex oligosaccharides

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7132-7135
DOI: 10.1039/C4CC02222J, CommunicationAnthony R. Prudden, Zoeisha S. Chinoy, Margreet A. Wolfert, Geert-Jan Boons
A multifunctional linker makes it possible to purify enzymatically-synthesized glycans and can give compounds for microarray and analytical method development.
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Synthesis of multi-substituted vinylsilanes via copper(I)-catalyzed hydrosilylation reactions of allenes and propiolate derivatives with silylboronates

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7195-7197
DOI: 10.1039/C4CC01722F, CommunicationYun-He Xu, Liu-Hai Wu, Jun Wang, Teck-Peng Loh
An efficient and general copper(I)-catalyzed method for the synthesis of multi-substituted vinylsilanes is reported.
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A novel iron complex for highly efficient catalytic hydrogen generation from the hydrolysis of organosilanes

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7191-7194
DOI: 10.1039/C4CC02852J, CommunicationAlan Kay Liang Teo, Wai Yip Fan
Hydrolytic oxidation of silanes to dihydrogen and silanols catalyzed by an iron-based catalyst.
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Aryloxymaleimides for cysteine modification, disulfide bridging and the dual functionalization of disulfide bonds

Chem. Commun. - 12 June, 2014 - 05:17

Chem. Commun., 2014, 50,7139-7142
DOI: 10.1039/C4CC02107J, CommunicationCristina Marculescu, Hanno Kossen, Rachel E. Morgan, Patrick Mayer, Sally A. Fletcher, Berend Tolner, Kerry A. Chester, Lyn H. Jones, James R. Baker
Aryloxymaleimides represent 'next generation maleimides' of attenuated reactivity. We demonstrate their use in establishing novel bioconjugation procedures at disulfide bonds.
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