_tcm18-11397.gif )
Urgent high quality communications from across the chemical sciences.
Cover Gallery
Thermoreversible assembly of a pyrenyl-terminated polyamide with a chain-folding polyimide, via complementary p-p-stacking, affords a material with remarkably efficient self-healing characteristics.
DOI: 10.1039/B910648K
Low-cost TiN nanotube arrays show a comparable photovoltaic performance to the one using the conventional FTO/Pt counter electrode.
DOI: 10.1039/B921899H
The double strand break induced by chemistry-based artificial restriction DNA cutter (ARCUT) was successfully repaired in human cells with high frequencies through homologous recombination.
DOI: 10.1039/B912030K
Multipurpose pearl necklace-like heterogeneous asymmetric catalyst.
DOI: 10.1039/B921028H
Selective recognition of guanosine 5'-monophosphate through formation of a supramolecular assembly involving synergistic electrostatic, p-stacking and coordinative interactions.
DOI: 10.1039/B911855A
Sulfoxides have a notable impact as chiral tools in the asymmetric reactions game. They are able to generate a new chiral center, axis or helix in an array of different transformations with excellent asymmetric inductions.
DOI: 10.1039/B908043K
In the backdrop of temperature extremities of the Thar Desert and Himalayas, the reversible thermal switching behavior of two enantiotropic polymorphs is depicted.
DOI: 10.1039/B905651C
The melamine linked tri(p-phenylenethynylene) shown on the right top corner of the image self-assembles to form an opaque organogel whereas the addition of a cyanurate results in a transparent gel with distinct physical and morphological characteristics.
DOI: 10.1039/B919570J
A molecular container, which is structurally similar to the Chinese ancient chair, displays two guest complexation modes (The Sung Dynasty painting (960-1279) was kindly provided by National Palace Museum).
DOI: 10.1039/B906075H
The image depicts the in situ monitoring of the electrochemically controlled reduction of Fe(III) to Fe(II) using X-ray photoelectron spectroscopy.
DOI: 10.1039/B919125A
Standing mesoporous fibers at the ocean of trees of Mt. Fuji in Japan.
DOI: 10.1039/B909251J
A cyclodextrin ring moves along a linear molecule much faster with one direction than with the other direction.
DOI: 10.1039/B906425G
[18F]-1-deoxy-1-fluoro-scylloinositol was synthesized and evaluated as a new PET radiopharmaceutical. Image reproduced by
DOI: 10.1039/B918024A
Biobased, self-standing dendritic polymeric films - embedded with golden particles - alongside a spider web with morning dew.
DOI: 10.1039/B900208A
Molecular structure of an N-heterocyclic carbene ligand stabilized Si2 molecule.
DOI: 10.1039/B908048A
Ruthenium catalysts kick triflate ions out from the body of alkenes to replace them with halide ions.
DOI: 10.1039/B907761H
Inhibition of the a-helix mediated p53-hDM2 protein-protein interaction using oligoamide proteomimetics.
DOI: 10.1039/B915905N
Spray-drying of surfactantcontaining precursor solutions from nozzle used to resemble golden shachihoko at the top of Nagoya Castle.
DOI: 10.1039/B903555A
Gold catalysts can selectively hydroborate alkynes in the presence of alkenes with catecholborane or pinacolborane, gold:borane being the active species.
DOI: 10.1039/B914947N
Electronically and sterically tunable chiral diene ligands are readily obtained by a [4 + 2] cycloaddition of a-phellandrene.
DOI: 10.1039/B914826B
Individual, site-isolated MgO-supported Ir(C2H4)2 complexes indicated by bright spots in the scanning transmission electron microscopy image.
DOI: 10.1039/B823171K
Ultrahigh-field 73Ge NMR spectroscopy of crystalline and glassy GeO2 polymorphs reveals spectral signatures. Thanks to John Wren for assistance with the cover artwork.
DOI: 10.1039/B913999K
Must have color: catching solar light with a robust panchromatic self-assembled squaraine-phthalocyanine hybrid.
DOI: 10.1039/B903534F
Large-scaled hexagonal prismatic sub-micro sized Mg crystals were grown via a simple thermal decomposition followed by vapor transport and condensation processes.
DOI: 10.1039/B913439P
A 136-metal 3d-4f heterometallic cluster featuring a four-shell, nesting doll-like structure.
DOI: 10.1039/B822609A
Regioselective insertion of CrCl2 into a heterodinuclear MoSW complex as a result of MoSW bond polarity.
DOI: 10.1039/B912624B
A reaction is just like "Game-playing by Children" after "Getting Miracle Herb (Catalyst) from Heaven" with a sword for "fighting" and bond-breaking.
DOI: 10.1039/B903634B
A specific fluorescent probe for hydroxylated organotins in water.
DOI: 10.1039/B912367A
A novel tripodal alkynylgold(I) complex with oligoether pendants has been demonstrated to be a selective ion probe for Mg2+ based on Au(I)?Au(I) interactions.
DOI: 10.1039/B902690H
Hexagonal close-packed arrays of hollow SnO2 hemispheres ("egg shells") exhibt threefold enhancement in NO2 gas sensitivity compared to flat films.
DOI: 10.1039/B911784A
A variety of synthetic avenues have recently been employed to access stable pentavalent uranium systems in non-aqueous solution. The authors thank Mr Anthony Mancino for designing the cover picture.
DOI: 10.1039/B902969A
Non-spherical silica Janus colloids are prepared by asymmetric wet-etching, and a variety of non-spherical silica/polymer composite Janus colloids are derived.
DOI: 10.1039/B911249A
An amidinate-ligated phosphorescent iridium(III) complex serves as an excellent emitter, enabling the first successful fabrication of highly eff icient non-doped phosphorescent OLEDs.
DOI: 10.1039/B902807B
Radical anions have been applied as new colorimetric probes along with conventional ICT to sense a complex library of amines, utilizing a novel class of molecule called naphthalene-bis-hydrazimide.
DOI: 10.1039/B910777K
Theranostic polymeric micelles as an integrated nanomedicine platform for cancer imaging and therapy.
DOI: 10.1039/B821865J
Conformational control of organic functional groups by means of thermal induction paves the way towards phase transitions in porous assemblies.
DOI: 10.1039/B910370H
Highlighting complementary gas phase calculations and solution phase experimental studies aimed at understanding anion/arene interactions. The authors gratefully acknowledge Garron Hale from croptool.com for preparing the cover artwork.
DOI: 10.1039/B823236A
This cover shows the stepwise construction of a porphyrin-fullerene-porphyrin stack within a well-defined pore. Step 2 is comparable to a golf-ball in a golf hole.
DOI: 10.1039/B909319M
Powder neutron diffraction data yield accurate and precise structures of high hydrogen content compounds, such as that of the zeolite illustrated.
DOI: 10.1039/B821336D
A new general SPPS strategy allows the synthesis of sulfated peptides to study the role of this important post-translational modification in the inhibition of the C5a-Receptor by CHIPS.
DOI: 10.1039/B908941C
Complementary hydrogen-bonding interactions pave the way towards supramolecularly organised nanoparticles having controlled size, morphology and appealing optical properties.
DOI: 10.1039/B820462D
A dimeric assembly, which mimics the natural DNA duplex, is demonstrated for a tetrahedral Cu(I) complex with pendant adeninyl groups.
DOI: 10.1039/B908369N
The cover picture shows the adsorption of an amphiphilic perylene derivative onto a carbon nanotube (SWNT) which is accompanied with a pronounced individualization allowing fractioning of the SWNTs by density gradient centrifugation.
DOI: 10.1039/B818141A
Molecular arrangements and transitions in the domain boundary of a chiral two-dimensional assembly can be clearly revealed by high-resolution STM.
DOI: 10.1039/B908006F
See Young-Ger Suh et al. pp. 2463-2465. First total syntheses of (-)-macrosphelides J and K and elucidation of their absolute configuration.
DOI: 10.1039/B817693K
Metal-induced self-assembly of calix[4]arenes forms triple-stranded dinuclear helicates that encapsulate a chiral guest with asymmetric induction of their supramolecular helicity.
DOI: 10.1039/B907004B
See Marc Salle, Deqing Zhang et al., pp. 2245-2269. Tetrathiafulvalene (TTF) derivatives: key building-blocks for switchable processes.
DOI: 10.1039/B818607N
Specific protein detection based on fluorescence resonance energy transfer between an anionic conjugated polymer and a dye labelled aptamer.
DOI: 10.1039/B905827N
See Norifumi Fujita, Seiji Shinkai et al., pp. 2100-2102. An organogel with the binary gelator based on 2-anthracenecarboxylic acid produces only head-to-head photodimers with some significant enantiomeric excess.
DOI: 10.1039/B820565E
See Engelbert Redel, Caroline RoĻ hr and Christoph Janiak, pp. 2103-2105. An inorganic-organic hybrid polyiodide as a starch-iodine model.
DOI: 10.1039/B905899K
The image illustrates the protonated 3,3'-diaryl-1,1'-binaphthyl-2,2'- diamine organocatalyst for the Diels-Alder reaction of alpha-substituted alpha,beta-unsaturated aldehydes.
DOI: 10.1039/B819034H
New self-assembled homo- or heterochiral capsules with hydrophobic outside surfaces and hydrophilic interiors are presented. We are grateful to Malgorzata Pecak for providing the photograph.
DOI: 10.1039/B905217H
The jellyfish shaped multiarm poly(e-caprolactone)s based on a resorcin[4]arene cavitand core are the first examples of spatially directional multiarm polymers. The authors thank Mr. Triet Nguyen for the background picture.
DOI: 10.1039/B818790H
The article reviews the use of DNA, as both a template and a scaffold, in the preparation and organization of nanoscale semiconductor materials.
DOI: 10.1039/B904813H
Easter bunnies prepare boronic acid containing hydrogels for a dye-displacement assay to assess sugar concentration.
DOI: 10.1039/b904323n
Phenylboronic acid azoprobe/g-cyclodextrin complex exhibits selective response for D-glucose by forming a supramolecular 2 : 1 inclusion complex.
DOI: 10.1039/B904324C
An alkyne replaces dinitrogen in the nickel-catalysed reaction of N-sulfonyl-1,2,3-triazoles, giving substituted pyrroles.
DOI: 10.1039/B819162J
The cover shows Streptomyces cyaneus, the natural source of the antiostatins A and B, in the background; the front pictures represent the X-ray crystal structures of O-methylantiostatin B4 (right) and 5-isobutyl-1-nitrobiuret (left), an efficient reagent developed for direct introduction of the antiostatin B side chain.
DOI: 10.1039/B903780M
Computational chemistry approaches assist in determining guest orientation within hydrogen-bonded molecular capsules.
DOI: 10.1039/B819276F
Surface-enhanced Raman scattering of a single nonbonding molecule perylene trapped in Ag nanoparticles.
DOI: 10.1039/B903230B
Scanning electrochemical microscopy can now be used to detect single-nucleotide mismatches in DNA. The observed tip current is affected by the position of the mismatch within the double helix.
DOI: 10.1039/B819876D
Scanning tunneling microscopy reveals self-assembly of heterocirculenes with trimesic acid, forming hexagonal 2D patterns and 3D structures akin the pyramids (shown in the background).
DOI: 10.1039/B902448B
An effective and convergent construction of a,a-difluoroketone derivatives was realized through the reaction of trifluoroacetaldehyde N,O-acetals, alkyllithiums and carbonyl compounds.
DOI: 10.1039/B817599C
Sortase-mediated N-terminal labeling of LPETG5-tagged cell surface proteins with LPETGG-tethered chemical probes.
DOI: 10.1039/B902101A
A small amount of salt changes the conformation of poly-L-glutamate.
DOI: 10.1039/B816055D
On incubation in methanol, the redox protein cytochrome c undergoes a reversible change in structure.
DOI: 10.1039/B902716P
A simple strategy for recyclable organocatalysis was done at the state-of-the-art Chemistry Building at SPMS-NTU, among the largest in Asia.
DOI: 10.1039/B813915F
Chlorophyll derived Zn pyro-pheophorbide a forms a complex with fulleronicotine. Light induces fast electron transfer from the chlorin to the fullerene moiety.
DOI: 10.1039/B901289N
8-Aminoguanine base pairs in a DNA duplex are stabilized by shared protons that participate in low-barrier hydrogen bonds (illustrated by the double-well potential).
DOI: 10.1039/B818409G
A new class of fluorescent DNA-poly(phenylenevinylene) hybrid hydrogels have been prepared for monitoring drug release driven by media pH.
DOI: 10.1039/B823127N
Bifunctional chelates derived from amino acids or amino acid analogues provide a general approach for linking radionuclides such as 99mTc and 186/188Re to various biomolecules.
DOI: 10.1039/B814903H
A skeleton modified C60 derivative acts as a 4p electron nucleophile instead of the normal 2p electrophile for pristine C60.
DOI: 10.1039/B817300A
Showing one- and two-photon absorption phenomena in expanded porphyrins.
DOI: 10.1039/B810718A
Quantum dot coated upconverting powders giving tunable light emission with a high yield of radiative energy transfer and emission efficiency.
DOI: 10.1039/B814771J
Transient absorption spectroscopy of charge photogeneration yields and lifetimes in a low bandgap polymer/fullerene film.
DOI: 10.1039/B813815J
RSS feed