Chem. Commun.

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Photocatalytic CO2 conversion over alkali modified TiO2 without loading noble metal cocatalyst

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11517-11519
DOI: 10.1039/C4CC04848B, CommunicationXianguang Meng, Shuxin Ouyang, Tetsuya Kako, Peng Li, Qing Yu, Tao Wang, Jinhua Ye
Noble metals are strongly relied for the activation of CO2. Loading of NaOH on TiO2 promoted CO2 chemisorption, activation and led to direct photocatalytic conversion of CO2 into CH4 without any noble metal cocatalyst loading. Formation of surface carbonates and hydroxylation of the TiO2 surface are the main reasons for this improvement.
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A facilely synthesized amino-functionalized metal-organic framework for highly specific and efficient enrichment of glycopeptides

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11504-11506
DOI: 10.1039/C4CC05179C, CommunicationYi-Wei Zhang, Ze Li, Qiang Zhao, Ying-Lin Zhou, Hu-Wei Liu, Xin-Xiang Zhang
A facilely synthesized amino-functionalized metal-organic framework MIL-101(Cr)-NH2 was first applied for highly specific and efficient glycopeptide enrichment.
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Surface confined heteroleptic copper(II)-polypyridyl complexes for photonuclease activity

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11484-11487
DOI: 10.1039/C4CC05063K, CommunicationVikram Singh, Prakash C. Mondal, Anup Kumar, Yekkoni L. Jeyachandran, Satish K. Awasthi, Rinkoo D. Gupta, Michael Zharnikov
Cu(II)-polypyridyl complexes immobilized on glass substrates exhibit high photonuclease activity as demonstrated by UV/Vis spectroscopy and gel-electrophoresis.
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Rapid, selective, and sensitive fluorometric detection of cyanide anions in aqueous media by cyanine dyes with indolium-coumarin linkages

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11583-11586
DOI: 10.1039/C4CC05412A, CommunicationYasuhiro Shiraishi, Masaya Nakamura, Kohei Yamamoto, Takayuki Hirai
A cyanine dye with an indolium-coumarin linkage exhibits selective emission enhancement upon addition of CN-, facilitating rapid (detection time: 1 min) and sensitive (detection limit: 0.4 [small mu ]M) sensing of CN- in aqueous media.
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An asymmetric [3+2] cycloaddition of alkynes with oxiranes by selective C-C bond cleavage of epoxides: highly efficient synthesis of chiral furan derivatives

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11480-11483
DOI: 10.1039/C4CC04182H, CommunicationWeiliang Chen, Xuan Fu, Lili Lin, Xiao Yuan, Weiwei Luo, Juhua Feng, Xiaohua Liu, Xiaoming Feng
An efficient enantioselective [3+2] cycloaddition of alkynes with oxiranes via selective C-C bond cleavage of epoxides was developed.
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Cascade sensing of gold and thiols with imidazole-bearing functional porphyrins

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11500-11503
DOI: 10.1039/C4CC05261G, CommunicationJoo-Ho Kim, Young-Hwan Jeong, Hee-Jae Yoon, Helen Tran, Luis M. Campos, Woo-Dong Jang
An imidazole-bearing zinc porphyrin (PZn) has been designed for the selective detection of Au3+, and the porphyrin and gold complex (PZn[middle dot]Au3+) can additionally be used to identify gold-binding functional groups such as cysteine residues and other mercaptans.
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Structural effect on the resistive switching behavior of triphenylamine-based poly(azomethine)s

7 September, 2014 - 03:54

Chem. Commun., 2014, 50,11496-11499
DOI: 10.1039/C4CC05233A, CommunicationWenbin Zhang, Cheng Wang, Gang Liu, Jun Wang, Yu Chen, Run-Wei Li
The hyperbranched PAM with isotropic architecture and semi-crystalline nature shows enhanced memory behaviors with more uniform distribution of the HRS and LRS resistances.
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Stimuli-Responsive Photonic Polymer Coatings

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05072J, Feature ArticleJelle Eduard Stumpel, Dirk J. Broer, Albertus Schenning
This feature article focuses on the highlights in the development of photonic polymer coatings that can change their volume or surface topology in a reversible, dynamic fashion when exposed to...
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Genetically Encoded Unstrained Olefins for Live Cell Labeling with Tetrazine Dyes

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06435F, CommunicationWenshe Liu, Yadagiri Kurra, Yanyan Yang, jessica Torresk-Kolbus, Alexander Deiters, Yan-Jiun Lee
A number of non-canonical amino acids (NCAAs) with unstrained olefins are genetically encoded using mutant pyrrolysyl-tRNA synthetase-tRNA_CUA^Pyl pairs. These NCAAs readily undergo inverse electron-demand Diels-Alder cycloadditions with tetrazine dyes, leading...
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Graphene Oxide Membranes with Tunable Permeability due to Embedded Carbon Dots

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05295A, CommunicationWentai Wang, Ehsan Eftekhari, Guangshan Zhu, Xiwang Zhang, Zi-Feng Yan, Qin Li
In this paper, we fabricated graphene oxide membranes with tunable permeation by embedding carbon nanodots of controllable sizes.
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Efficient approach to prepare multiple chemotherapeutic agents conjugated nanocarrier

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04445B, CommunicationVijayakameswara rao N, Himadri Dinda, Mutyala Naidu Ganivada, Jayasri Das Sarma, Raja Shunmugam
pH responsive, multiple chemotherapeutic agents derived nanocarrier has been synthesized by conjugating doxorubicin, indomethacin, and folate to the backbone of norbornene polymer. Drug molecules are connected to the norbornene backbone...
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The Crucial Roles of MgCl2 as a Non-innocent Additive in the Ni-Catalyzed Carboxylation of Benzyl Halide with CO2

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04962D, CommunicationShigeyoshi Sakaki, Fareed Bhasha Sayyed
Ni-catalyzed carboxylation of the C(sp3)-Cl bond with CO2 in the presence of MgCl2 was theoretically investigated. MgCl2 plays three crucial roles to stabilize a NiI-CO2 adduct and accelerate the CO2...
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Sensitive quantification of messenger RNA with real-time ligase chain reaction by using a ribonucleotide-modified DNA probe

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05102E, CommunicationYanlei Hu, Hongxia Jia, Yucong Wang, Yongqiang Cheng, Zhengping Li
A highly sensitive and specific assay is developed for quantification of messenger RNA with real-time fluorescence ligase chain reaction by using a ribonucleotide-modified DNA probe.
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The role of carbonate as a catalyst of Fenton like reactions in AOP processes, CO3.- as the active intermediate.

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05852F, CommunicationAriela Burg, Dror Shamir, Inna Shusterman, Haya Kornweitz, Dan Meyerstein
Kinetic and DFT results for the carbonate catalysed Co(H2O)62+ + H2O2 Fenton like reaction suggest that a mechanism involving the formation of the cyclic transient cyclic-(CO4)- CoII(OOH)(H2O)2- that decomposes into...
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Iodine Mediated Oxidative Annulation for One Pot Synthesis of Pyrazines and Quinoxalines Using Multipathway Coupled Domino Strategy

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05844E, CommunicationSurendar Reddy Bathula, KK Durga Rao Viswanath, Prathap Reddy Muktapuram, Satyanarayana Pochampalli, Ravi Owk, Ruchir Kant
An efficient iodine mediated oxidative annulation of aryl acetylenes/arylethenes/aromatic ketones with 1,2-diamines for the synthesis of pyrazines and regioselective synthesis of quinaxalines is presented. A multipathway coupled domino approach has...
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Recovery and redispersion of gold nanoparticles using a self-assembly of pH sensitive zwitterionic amphiphile

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC04935G, CommunicationClara Morita-Imura, Yoshiro Imura, Takeshi Kawai, Hitoshi Shindo
The pH-responsive self-assembly of zwitterionic amphiphile C16CA was expanded to recovery gold (Au) nanoparticles for environmentally friendly chemistry applications. Multilayered lamellae at pH ~4 successfully incorporated nanoparticles from the dispersion....
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Haemoglobin wrapped covalently by human serum albumin mutants containing Mn(III) protoporphyrin IX: O2 complex stable in H2O2 solution

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC06076H, CommunicationYuta Daijima, Teruyuki Komatsu
We describe the synthesis of a haemoglobin (Hb) wrapped covalently by recombinant human serum albumin mutants [HSA(Y161H)] containing Mn(III) protoporphyrin IX (MnPP), Hb-[HSA(Y161H)-MnPP]3 cluster, highlighting its stable O2 complex even...
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A short route towards merosesquiterpenes with a benzoxanthene skeleton

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05116E, CommunicationAntonio Fernandez, Esteban Alvarez, Ramon Alvarez-Manzaneda, Rachid Chahboun, Enrique Alvarez-Manzaneda
A short synthetic sequence for the preparation of merosesquiterpenes with a benzoxanthene skeleton starting from commercial (-)-sclareol is reported. The D ring of the target compound is obtained through a...
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One-pot synthesized DNA-templated Ag/Pt bimetallic nanoclusters as peroxidase mimics for colorimetric detection of thrombin

5 September, 2014 - 03:17
Chem. Commun., 2014, Accepted Manuscript
DOI: 10.1039/C4CC05339G, CommunicationCheng Zheng, Aixian Zheng, Bo Liu, Xiao-Long Zhang, Yu He, Juan Li, Huanghao Yang, Guonan Chen
We developed a facile one-step approach to synthesize DNA-templated Ag/Pt bimetallic nanoclusters (DNA-Ag/Pt NCs), which possess highly-efficient peroxidase-like catalytic activity. With this finding, an aptamer based sandwich-type strategy is employed...
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Ligands effects on the magnetic anisotropy of tetrahedral cobalt complexes

5 September, 2014 - 03:17

Chem. Commun., 2014, Advance Article
DOI: 10.1039/C4CC05724D, CommunicationMohamed R. Saber, Kim R. Dunbar
A trend of increasingly more negative zero-field splitting parameters D was observed for a series of pseudo-tetrahedral mononuclear cobalt complexes, Co(L)2I2 (1-3) (L = quinolone, PPh3 or AsPh3) in going down the group from N to P and As (1 = +9.2 cm-1, 2 = -36.9 cm-1 and 3 = -74.7 cm-1) with 2 and 3 exhibiting slow relaxation of the magnetization under an applied DC field.
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