Chem. Commun.
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A cyclic peptide-based redox-active model of rubredoxin
DOI: 10.1039/C3CC40517F, CommunicationAurelie Jacques, Martin Clemancey, Genevieve Blondin, Vincent Fourmond, Jean-Marc Latour, Olivier Seneque
An 18 amino acid cyclic peptide with a linear tail allows us to reproduce very satisfyingly the structural, spectroscopic and redox properties of the active site of rubredoxin.
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Polymerization of a peptide-based enzyme substrate
DOI: 10.1039/C3CC40472B, CommunicationMichael E. Hahn, Lyndsay M. Randolph, Lisa Adamiak, Matthew P. Thompson, Nathan C. Gianneschi
Polymers of norbornenyl-modified peptide-based enzyme substrates have been prepared via ring-opening metathesis polymerization (ROMP).
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Electron-transporting PAHs with dual perylenediimides: syntheses and semiconductive characterizations
DOI: 10.1039/C3CC40704G, CommunicationZhuoran Zhang, Ting Lei, Qifan Yan, Jian Pei, Dahui Zhao
A PDI dimer was transformed into a benzo[k]tetraphene fused with two benzoperylenediimides. These PDI derivatives exhibited electron mobility >0.01 cm2 V-1 s-1 in solution-processed OFETs.
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A SERS active gold nanostar dimer for mercury ion detection
DOI: 10.1039/C3CC39087J, CommunicationWei Ma, Maozhong Sun, Liguang Xu, Libing Wang, Hua Kuang, Chuanlai Xu
A self-assembled nanostar dimer based on the Hg2+-mediated T-T base pair of ssDNA has been developed as a SERS sensor for Hg2+ detection. The LOD is 0.8 pg mL-1 and its linear range is 0.002 to 1 ng mL-1.
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Direct synthesis of novel homogeneous nanocomposites of Li2MnSiO4 and carbon as a potential Li-ion battery cathode material
DOI: 10.1039/C3CC40673C, CommunicationShintaro Aono, Taisuke Tsurudo, Koki Urita, Isamu Moriguchi
Homogeneous nanocomposites of nanocrystalline Li2MnSiO4 and carbon, and a carbon nanotubes (CNTs)-embedded nanocomposite are synthesized directly by using organic-inorganic hybrid polymers.
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Resolving DNA at efficiencies of more than a million plates per meter using bare narrow open capillaries without sieving matrices
DOI: 10.1039/C3CC40728D, CommunicationZaifang Zhu, Lei Liu, Wei Wang, Joann J. Lu, Xiayan Wang, Shaorong Liu
Efficiencies of more than a million theoretical plates per meter are frequently obtained using bare narrow capillaries for DNA separations.
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Pt-Ni nanodendrites with high hydrogenation activity
DOI: 10.1039/C3CC40503F, CommunicationWeiyang Wang, Dingsheng Wang, Xiangwen Liu, Qing Peng, Yadong Li
Highly branched Pt-Ni nanocrystals are fabricated by a one-pot strategy in an oleylamine and oleic acid system, which possess a high hydrogenation activity of nitrobenzene.
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2,3-Dicyclohexylsuccinimide as a directing/protecting group for the regioselective glycosylation or alkylation of purines
DOI: 10.1039/C3CC37265K, CommunicationAyan Pal, Kerry J. Salandria, Joseph W. Arico, Mark K. Schlegel, Larry W. McLaughlin
Highly regioselective! The protection of 6-aminopurines using 2,3-dicyclohexylsuccinimide during glycosylations or alkylations provides very high regioselectivity for the N9 position.
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On-surface polymerization of 1,4-diethynylbenzene on Cu(111)
DOI: 10.1039/C3CC40444G, CommunicationJohanna Eichhorn, Wolfgang M. Heckl, Markus Lackinger
The polymerization of 1,4-diethynylbenzene was studied on a Cu(111) surface using scanning tunneling microscopy (STM) under ultra-high vacuum conditions.
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Folding single-stranded DNA to form the smallest 3D DNA triangular prism
DOI: 10.1039/C3CC39266J, CommunicationXiaojin He, Lei Dong, Wen Wang, Nian Lin, Yongli Mi
The smallest DNA 3D object, a triangular prism with only one turn on each edge, was constructed from a single-stranded DNA.
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Making Bispirin: synthesis, structure and activity against Helicobacter pylori of bismuth(III) acetylsalicylate
DOI: 10.1039/C3CC40645H, CommunicationPhilip C. Andrews, Victoria L. Blair, Richard L. Ferrero, Peter C. Junk, Ish Kumar
The bismuth(III) complexes of acetylsalicylate (aspirinate), [Bi(asp)3] (minimum inhibitory concentration against H. pylori, 6.25 [small mu ]g mL-1) and [KBi(asp)4], are formed and crystallised without deacetylation or hydrolysis from treatment of aspirin with Bi(OtBu)3 and Bi(OtBu)3/KOtBu respectively.
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Synthesis of highly substituted oxetanes via [2+2] cycloaddition reactions of allenoates catalyzed by a guanidine Lewis base
DOI: 10.1039/C3CC40855H, CommunicationPhilipp Selig, Aleksej Turockin, William Raven
The first synthesis of highly substituted 3-alkyl-oxetan-2-ylidenes from allenoates under guanidine catalysis was developed.
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Exploiting furan's versatile reactivity in reversible and irreversible orthogonal peptide labeling
DOI: 10.1039/C3CC40588E, CommunicationKurt Hoogewijs, Dieter Buyst, Johan M. Winne, Jose C. Martins, Annemieke Madder
A general method for the facile decoration of peptides is presented exploiting commercially available furylalanine and cycloaddition or electrophilic aromatic substitution reactions.
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Synthesis of a cobalt(IV) ketimide with a squashed tetrahedral geometry
DOI: 10.1039/C3CC40461G, CommunicationRichard A. Lewis, Stephen P. George, Alon Chapovetsky, Guang Wu, Joshua S. Figueroa, Trevor W. Hayton
The Co(IV) ketimide, Co(N[double bond, length as m-dash]CtBu2)4, features a squashed tetrahedral geometry in the solid state that arises, in part, to maximize ketimide-to-cobalt [small pi]-donation.
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A chiral ionic polymer for direct visual enantioselective recognition of [small alpha]-amino acid anions
DOI: 10.1039/C3CC40488A, CommunicationFengyan Song, Na Fei, Fei Li, Shuwei Zhang, Yixiang Cheng, Chengjian Zhu
A novel chiral ionic polymer exhibits high fluorescence enantioselectivity towards [small alpha]-amino acid anions, and its solution appears bright green upon addition of (L)-[small alpha]-amino acid anions, which can be clearly observed by the naked eye for direct visual enantioselective recognition.
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Resonance-assisted hydrogen bonding induced nucleophilic addition to hamper ESIPT: ratiometric detection of cyanide in aqueous media
DOI: 10.1039/C3CC39256B, CommunicationShymaprosad Goswami, Abhishek Manna, Sima Paul, Avijit K. Das, Krishnendu Aich, Prasanta K. Nandi
For ratiometric "naked eye" detection of CN-, an ESIPT exhibiting benzothiazole receptor (BHI) is designed having one aldehyde group ortho and the other aldehyde para to the OH group respectively.
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One-pot sequential C-N coupling and cross dehydrogenative couplings: synthesis of novel azole fused imidazo[1,2-a]pyridines
DOI: 10.1039/C3CC39206F, CommunicationKasiviswanadharaju Pericherla, Poonam Khedar, Bharti Khungar, Anil Kumar
An efficient one-pot protocol has been developed using sequential C-N coupling and intramolecular dehydrogenative cross-couplings for the synthesis of azole fused imidazo[1,2-a]pyridine derivatives in good yields (62-78%).
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Rapid and selective access to three distinct sets of indole-based heterocycles from a single set of Ugi-adducts under microwave heating
DOI: 10.1039/C3CC00111C, CommunicationLei Zhang, Fei Zhao, Mingyue Zheng, Yun Zhai, Hong Liu
Three distinct sets of indole-based heterocycles were rapidly and selectively synthesized simply by switching the reaction conditions.
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An unprecedented 3-D SHG MOF material of silver(I) induced by chiral triple helices
DOI: 10.1039/C3CC40516H, CommunicationHuan Yang, Rui-Li Sang, Xiang Xu, Li Xu
An unprecedented 3-D microporous MOF of silver(I) induced by chiral triple helices has been found to exhibit SHG efficiency 5.4 times that of KDP.
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Low temperature chemically synthesized rutile TiO2 photoanodes with high electron lifetime for organic dye-sensitized solar cells
DOI: 10.1039/C3CC00310H, CommunicationSwapnil B. Ambade, Rohan B. Ambade, Rajaram S. Mane, Go-Woon Lee, ShoyebMohamad F. Shaikh, Supriya A. Patil, Oh-Shim Joo, Sung-Hwan Han, Soo-Hyoung Lee
Novel Low temperature chemically synthesized rutile TiO2 DSSC photoanodes with high electron lifetime and photovoltaic power conversion efficiency of 4.4%.
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