Royal Society of Chemistry

Investigating fluorescent dyes in fluorescence-assisted screenings

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15220-15223
DOI: 10.1039/C4CC07008A, CommunicationJoo-Eun Jee, Jaehong Lim, Hoon Hyun, Jessica Oon, Yong Siang Ong, Cedrik Massif, Young-Tae Chang, Hak Soo Choi, Su Seong Lee
Screening of bead-based peptide libraries against fluorescent dye-labeled target proteins was found to be significantly influenced by the dye characteristics.
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Chemoselective silyl transfer in the Mukaiyama aldol reaction promoted by super silyl Lewis acid

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15206-15208
DOI: 10.1039/C4CC05807K, CommunicationMasahiro Sai, Matsujiro Akakura, Hisashi Yamamoto
In the silyl Lewis acid-promoted Mukaiyama aldol reaction, the steric and electronic properties of the silyl group on the silyl Lewis acid influence the reaction mechanism and product distribution.
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Ligand selectivity in stabilising tandem parallel folded G-quadruplex motifs in human telomeric DNA sequences

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15202-15205
DOI: 10.1039/C4CC07487D, CommunicationAlex R. O. Cousins, Dougal Ritson, Pallavi Sharma, Malcolm F. G. Stevens, John E. Moses, Mark S. Searle
An oxazole-based 'click' ligand shows selectivity in binding at the interface between tandem telomeric DNA quadruplex motifs.
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Highly enantioselective Michael addition of 3-arylthio- and 3-alkylthiooxindoles to nitroolefins catalyzed by a simple cinchona alkaloid derived phosphoramide

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15179-15182
DOI: 10.1039/C4CC06417H, CommunicationWei-Ming Gao, Jin-Sheng Yu, Yu-Lei Zhao, Yun-Lin Liu, Feng Zhou, Hai-Hong Wu, Jian Zhou
A new cinchonidine derived bifunctional phosphoramide C1e is identified as a highly enantioselective catalyst for the Michael addition of 3-thiooxindoles to nitroolefins. The phosphoramide moiety of C1e plays an indispensable role in this reaction.
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Energy level tuning of TPB-based hole-transporting materials for highly efficient perovskite solar cells

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15239-15242
DOI: 10.1039/C4CC06493C, CommunicationYakun Song, Songtao Lv, Xicheng Liu, Xianggao Li, Shirong Wang, Huiyun Wei, Dongmei Li, Yin Xiao, Qingbo Meng
Two N,N,N[prime or minute],N[prime or minute]-tetraphenyl-benzidine-based HTMs were synthesized. The TPBC based doping-free perovskite solar cell afforded an impressive PCE of 13.10% under AM 1.5G (100 mW cm-2), which is the first demonstration of an effective device with TPB-based doping-free HTMs.
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An imidazole-appended p-phenylene-Cu(II) ensemble as a chemoprobe for histidine in biological samples

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15243-15246
DOI: 10.1039/C4CC07274J, CommunicationKa Young Kim, Sung Ho Jung, Joon-Hwa Lee, Shim Sung Lee, Jong Hwa Jung
A tetra-imidazole-appended tetrakis(p-phenylene)ethylene 1-Cu2+ ensemble was found to enhance fluorescence upon addition of histidine, but not with any other amino acids.
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Postsynthetic lanthanide functionalization of nanosized metal-organic frameworks for highly sensitive ratiometric luminescent thermometry

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15235-15238
DOI: 10.1039/C4CC07038K, CommunicationYou Zhou, Bing Yan, Fang Lei
A facile and general approach was demonstrated to generate ratiometric luminescent nanothermometers through postsynthetic incorporation of lanthanide cations within nanosized metal-organic frameworks bearing the open bipyridine sites. The obtained nanothermometers exhibit ultrahigh sensitivities.
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Synthesis and electrochemical evolution of mesoporous LiFeSO4F0.56(OH)0.44 with high power and long cyclability

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15247-15250
DOI: 10.1039/C4CC06174H, CommunicationXiao-Min Liu, Su-Long Zhang, Meng Yang, Xiao-Zhen Liao, Hui Yang, Xiao-Dong Shen, Zi-Feng Ma
The synthesized LiFeSO4F0.56(OH)0.44 with a spongy mesoporous morphology can deliver 92 and 80 mA h g-1 at 1 C and 15 C, respectively, without nano-sizing or carbon coating. Furthermore, it maintains 80% of the maximum capacity after 2800 cycles at 1 C.
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Co-catalytic oxidative coupling of primary amines to imines using an organic nanotube-gold nanohybrid

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15251-15254
DOI: 10.1039/C4CC07951E, CommunicationDhanaji V. Jawale, Edmond Gravel, Elise Villemin, Nimesh Shah, Valerie Geertsen, Irishi N. N. Namboothiri, Eric Doris
A novel nanohybrid assembly of gold nanoparticles and polydiacetylene nanotubes was found active, in conjunction with gallacetophenone, in the catalysis of the oxidative coupling of primary amines to imines.
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Platinum nanoparticles strongly associated with graphitic carbon nitride as efficient co-catalysts for photocatalytic hydrogen evolution under visible light

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15255-15258
DOI: 10.1039/C4CC06960A, CommunicationYasuhiro Shiraishi, Yusuke Kofuji, Shunsuke Kanazawa, Hirokatsu Sakamoto, Satoshi Ichikawa, Shunsuke Tanaka, Takayuki Hirai
Pt nanoparticles loaded on g-C3N4 by the reduction at 673 K behave as efficient co-catalyst for photocatalytic H2 hydrogen evolution under visible light.
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Nuclear spin circular dichroism in fullerenes: a computational study

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15228-15231
DOI: 10.1039/C4CC07271E, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Michal Straka, Petr Stepanek, Sonia Coriani, Juha Vaara
Chemically different carbons in C70 give distinct signals in nuclear spin circular dichroism spectroscopy, a novel candidate for high-resolution identification of chemical compounds.
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Bismuth(III) benzohydroxamates: powerful anti-bacterial activity against Helicobacter pylori and hydrolysis to a unique Bi34 oxido-cluster [Bi34O22(BHA)22(H-BHA)14(DMSO)6]

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15232-15234
DOI: 10.1039/C4CC07329K, CommunicationAmita Pathak, Victoria L. Blair, Richard L. Ferrero, Michael Mehring, Philip C. Andrews
Bismuth(III) benzohydroxamates; [Bi2(HBA)3], [Bi(H-BHA)3], [Bi(HBA)(H-HBA)] and [Bi34O22(BHA)22(H-BHA)14(DMSO)6], all show exceptional toxicity towards Helicobacter pylori (MIC 0.08-3.24 [small mu ]M).
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A fluorescent ratiometric nanosized system for the determination of PdII in water

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15259-15262
DOI: 10.1039/C4CC07969H, CommunicationMassimiliano Arca, Claudia Caltagirone, Greta De Filippo, Mauro Formica, Vieri Fusi, Luca Giorgi, Vito Lippolis, Luca Prodi, Enrico Rampazzo, Mariano Andrea Scorciapino, Massimo Sgarzi, Nelsi Zaccheroni
A fluorescent chemosensor, loaded on dye-doped silica nanoparticles, can be used to detect Pd2+ ions in water with high selectivity toward other cations including the platinum group ones.
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Heterometallic cluster-based indium-organic frameworks

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15224-15227
DOI: 10.1039/C4CC07611G, CommunicationJinjie Qian, Feilong Jiang, Kongzhao Su, Jie Pan, Zhenzhen Xue, Linfeng Liang, Partha Pratim Bag, Maochun Hong
With the help of the ligand-oriented method, we have successfully embedded independent copper-based units into the indium-organic framework system for the first time, in which the Cu4I4 clusters and In3O(CO2)6 clusters coexist.
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Zipping up fullerenes into polymers using rhodium(II) acetate dimer and N(CH2CH2)2NC60 as building blocks

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15152-15155
DOI: 10.1039/C4CC06995A, CommunicationAmineh Aghabali, Marilyn M. Olmstead, Alan L. Balch
The reaction of Rh2(O2CCH3)4 with the functionalized fullerene N(CH2CH2)2NC60 can produce a linear, crystalline polymer or can trap free C60 or C70 molecules between similar chains.
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A quartz crystal microbalance method to study the terminal functionalization of glycosaminoglycans

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15148-15151
DOI: 10.1039/C4CC06905F, CommunicationDhruv Thakar, Elisa Migliorini, Liliane Coche-Guerente, Rabia Sadir, Hugues Lortat-Jacob, Didier Boturyn, Olivier Renaudet, Pierre Labbe, Ralf P. Richter
QCM-D is demonstrated as a novel method to quantify the reaction yields and stability of the reducing-end conjugation of glycosaminoglycans.
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Femtomolar level sensing of inorganic arsenic(III) in water and in living-systems using a non-toxic fluorescent probe

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15263-15266
DOI: 10.1039/C4CC05023A, CommunicationBiswajit Dey, Priyanka Mukherjee, Ranjan Kumar Mondal, Asoke Prasun Chattopadhyay, Ipsit Hauli, Subhra Kanti Mukhopadhyay, Michel Fleck
A selective femtomolar range sensing of inorganic As(III) in water and in living-systems by a non-toxic fluorescent probe which is very specific towards inorganic As(III) even in the presence of different selective cations and anions.
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A palladium-catalyzed addition reaction of aroyl/heteroaroyl acid anhydrides to norbornenes

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15267-15270
DOI: 10.1039/C4CC07759H, CommunicationMieko Arisawa, Saori Tanii, Masahiko Yamaguchi
A palladium complex derived from Pd2(dba)3 and dppp catalyzes the addition reaction of aroyl/heteroaroyl acid anhydrides to norbornenes, giving 2-aroyl/heteroaroyl-3-aroyloxy/heteroaroyloxy-bicyclo[2,2,1]heptanes.
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One-dimensional channels constructed from per-hydroxylated pillar[6]arene molecules for gas and vapour adsorption

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15209-15211
DOI: 10.1039/C4CC06591C, CommunicationTomoki Ogoshi, Ryuta Sueto, Kumiko Yoshikoshi, Tada-aki Yamagishi
We report that one-dimensional channels constructed from per-hydroxylated pillar[6]arene molecules with a diameter of 6.7 A can capture various gases, such as CO2, N2 and n-butane, and vapours of saturated hydrocarbons such as n-hexane and cyclohexane.
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Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in rhodium(III)-catalyzed intermolecular C-H activation/annulation

Chem. Commun. - 8 November, 2014 - 18:17

Chem. Commun., 2014, 50,15159-15162
DOI: 10.1039/C4CC07170K, CommunicationDebasish Ghorai, Joyanta Choudhury
A unique directing-cum-functionalizing role of N-heterocyclic carbene (NHC) ligands is disclosed in a RhIII-catalyzed intermolecular annulation procedure.
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