Showing papers in "Chemical Communications in 2007"

TL;DR: Enhancements to the properties based on Hirshfeld surfaces enable quantitative comparisons between contributions to crystal packing from various types of intermolecular contacts.

TL;DR: The large-pore iron(III) carboxylate MIL-100(Fe) with a zeotype architecture has been isolated under hydrothermal conditions, its structure solved from synchrotron X-ray powder diffraction data, while Friedel-Crafts benzylation catalytic tests indicate a high activity and selectivity for MIL- 100(Fe).

TL;DR: In this report ceria nanoparticles are shown to act as catalysts that mimic superoxide dismutase (SOD) with the catalytic rate constant exceeding that determined for the enzyme SOD.

TL;DR: Most recent efforts in gold-catalysed transformations are covered, highlighting the wide molecular diversity that can be achieved, in particular with regard to the formation of C-C bonds.

TL;DR: WhyPhthalocyanines are versatile building blocks for fabricating materials at the nanometer scale and are targets for different scientific purposes and technological applications is described.

TL;DR: Recent experiments in the laboratory aimed at the design and study of octahedral metal complexes that bind DNA non-covalently and target reactions to specific sites are reviewed.

TL;DR: The features of some classes of fluorinated conjugated materials and their use in electronic devices such as electroluminescent diodes or field effect transistors are highlighted and the C-H...F interactions play an important role in the solid state supramolecular organization.

TL;DR: This account shows how photocatalysis is offering an alternative green route for the production of organics through selective photocatalytic conversions.

TL;DR: The recent research progress on the design of functional mesoporous silica materials for stimuli-responsive controlled release delivery of pharmaceutical drugs, genes, and other chemicals are reviewed and breakthroughs in utilizing these nanoscale porous materials as sensors for selective detections of various neurotransmitters and biological molecules are summarized.

TL;DR: Different types of methods for LbL assembly are discussed, which include conventional and unconventional methods for fabricating a great number of building blocks into multilayer thin films with a defined sequence structure in a designed way.

TL;DR: A four-membered cyclic intramolecular phosphane-borane adduct activates dihydrogen to yield the respective ethylene-bridged zwitterionic phosphonium-hydridoborate system, which reduces benzaldehyde.

TL;DR: The development of chiral amines such as pyrrolidine analogues have emerged as a broadly applicable class of organocatalyst for asymmetric conjugate addition via enamine activation, emphasizing the design and mechanistic features that supply high selectivity in asymmetric Michael reactions.

TL;DR: A simple and sensitive aptamer-based colorimetric sensing of protein (alpha-thrombin in this work) using unmodified gold nanoparticle probes is described.

TL;DR: Novel organic dyes based on the phenothiazine chromophore were designed and synthesized for dye-sensitized solar cells, which give solar energy-to-electricity conversion efficiency (eta) of up to 5.5% in comparison with the reference Ru-complex (N3 dye) with an eta value of 6.2% under similar experimental conditions.

TL;DR: A highly efficient organic dye is synthesized for a dye-sensitized solar cell and the overall solar-to-energy conversion efficiency was 9.1% at AM 1.5 illumination.

TL;DR: It is demonstrated that single cells can be controllably compartmentalized within aqueous microdroplets and high-throughput screening is performed by detecting the expression of a fluorescent protein in individual cells with simultaneous measurement of droplet size and cell occupancy.

TL;DR: Host-stabilized charge-transfer interactions and supramolecular assemblies built with these interactions are described and applications, including the design and synthesis of redox-driven molecular machines such as molecular loop locks, development of red ox-controllable vesicles and detection of biologically important molecules are described.

TL;DR: Applications, based on combinations of the allylic substitution and ring closing metathesis, indicate considerable potential of the method for the synthesis of biologically active compounds.

TL;DR: The feature article reviews recent reports published from 2004 to the beginning of 2007 on the synthesis of polymer protected gold nanoparticles (AuNPs), and also comments their properties and applications.

TL;DR: Recent approaches of utilizing the borrowing SERS activity strategy mainly through constructing two types of nanostructures are presented and the Raman spectra of surface water, having small Raman cross-section, on several transition metals for the first time are obtained.

TL;DR: The field of shell cross-linked (SCL) micelles is briefly reviewed, important advances over the last two years are emphasized, potential application areas are discussed and current technical problems with these fascinating nanoparticles are highlighted.

TL;DR: Photoluminescence of simple arylbenzenes with ready synthetic accessibility is enhanced by two orders of magnitude through aggregate formation; viscosity and temperature effects indicate that the emission enhancement is due to the restriction of their intramolecular rotations in the solid state.

TL;DR: (4-Biphenylyl)phenyldibenzofulvene is weakly luminescent in the amorphous phase but becomes highly emissive upon crystallization; this unusual crystallization-induced emission enhancement effect allows its emission to be repeatedly switched between dark and bright states by fuming-heating and heating-cooling processes.

TL;DR: Recent development of switchable photochromic bisthienylethenes materials, especially multi-switchable bistHienylethene materials including multi-color photo chromic materials, multi- switchable organogelators and liquid crystals are described.

TL;DR: This survey reveals many examples where corroles were used as the key components in catalysis, sensing of gaseous molecules and medicine-oriented research, and the focus in all these cases was on the special features of corroles: stabilization of high valent transition metal ions, unique photophysical properties, large NH acidity, facile synthetic manipulation and distinct catalytic properties.

TL;DR: A novel and universal procedure has been developed for producing nanosized stable silver particles on cotton fabrics in a simple and cost-effective manner with complete control of the silver loading level on the fabrics.

TL;DR: The following Feature Article aims to provide an overview of the progress made in the past decade, paying particular attention to the field of synthetic organic chemistry.

TL;DR: An account of the progress made on aqueous-phase transfer hydrogenation (TH) reactions, with a focus on ATH, is presented.

TL;DR: A new homogeneous assay-using mercaptopropionic acid-modified Au nanoparticles in the presence of 2,6-pyridinedicarboxylic acid for the highly selective and sensitive detection of Hg(2+) ions is unveiled.

TL;DR: The synthesis of regioregular poly(3-hexyl)selenophene is reported, and its optical and electrical properties are compared to those of regingular poly (3- hexyl)thiophene.