10.04.2013 | Mitsuaki Yamauchi; Shun Kubota; Takashi Karatsu; Akihide Kitamura; Ayyappanpillai Ajayaghosh; Shiki Yagai, Chemical Communication, 2013

Bismelamines end-functionalized with oligo(p-phenylenevinylene) self-aggregate in nonpolar solvent to form short nanorods by helical π-π stacking. This inherent self-aggregation can be guided to a supramolecular polymerization pathway by complexing with a cyanurate, leading to gel-forming ...

mehr

10.04.2013 | Zhanguo Yue; Piping Lv; Hua Yue; Yongjun Gao; Ding Ma; Wei Wei; Guanghui Ma, Chemical Communication, 2013

A revolutionary probe was constructed by conjugating Cy5 on a graphene oxide sheet. The fluorescence was quenched owing to its proximity to graphene oxide in normal circumstances, but lit on arriving at the tumor site. Both in vitro and in vivo studies demonstrated that the probe exhibits ...

mehr

10.04.2013 | Xiaohua Xu; Fuhai Zhang; Yanxin Yang; Longguan Xie, Chemical Communication, 2013

An efficient and diastereoselective Pd-catalyzed method of allylation of aldehydes with 3-bromomethyl-5H-furan-2-one is described. The proposed method allows the synthesis of β-(hydroxymethylaryl/alkyl)-α-methylene-γ-butyrolactones with a syn relative configuration for the first time.

mehr

10.04.2013 | Chengde Mao; Pengfei Wang; Seung Hyeon Ko; Cheng Tian; Chenhui Hao, Chemical Communication, 2013

This communication reports a general approach to fold single-stranded, long RNA molecules into predesigned, geometric structures at the nanometer scale. It conceptually resembles DNA origami technique, but uses single stranded RNA molecules as scaffolds. In contrast to the difficulty to ...

mehr

10.04.2013 | Xiaolong He; Longfei Tan; Dong Chen; Xiaoli Wu; Xiangling Ren; Yanqi Zhang; Xianwei Meng; Fangqiong Tang, Chemical Communication, 2013

We report novel, discrete and monodisperse Fe3O4-Au@ mesoporous SiO2 (MS) microspheres with both high GOx- and peroxidase-mimic activities. The superparamagnetic Fe3O4 cores provide high peroxidase-mimic activity and make the artificial enzymatic system be recycled easily. On the surface of ...

mehr

10.04.2013 | María J. López-Gómez; David Martin; Guy Bertrand, Chemical Communication, 2013

An anti-Bredt N-heterocyclic carbene gold(i) chloride complex was synthesized by taking advantage of the reversible insertion of the free carbene into the NH bond of hexamethyldisilazane. This precatalyst promotes the parent hydrazine hydroamination of terminal alkynes at room temperature.

mehr

10.04.2013 | Kyung Hwan Park; Tae Hwan Noh; Yoon-Bo Shim; Ok-Sang Jung, Chemical Communication, 2013

Infinite square-tubular helices, [CuCl2(L)(S)] (L = bis(4-pyridyl)methylvinylsilane; S = Me2SO, HCONMe2), were constructed. This helical system affords three kinds of P, M crystals in Me2SO, and racemic crystals in HCONMe2. The cyclic voltammogram (CV) technique using the M-crystals is an ...

mehr

10.04.2013 | Korneel Cats; Inés González-Jiménez; Yijin Liu; Johanna Nelson; Douglas van Campen; Florian Meirer; Ad M.J. van der ..., Chemical Communication, 2013

Transmission X-ray microscopy has been used to investigate individual Co/TiO2 Fischer-Tropsch (FT) catalyst particles in 2-D and 3-D with 30 nm spatial resolution. Tomographic elemental mapping showed that Co is heterogeneously concentrated in the centre of the catalyst particles. In ...

mehr

10.04.2013 | Ruke Bai; Fanfan Du; Yinyin Bao; Bin Liu; Jiao Tian; Qianbiao Li, Chemical Communication, 2013

Polyhedral oligomeric silsesquioxane (POSS)-containing red fluorescent nanoparticles were designed and prepared for rapid detection of aqueous fluoride ions by virtue of the fluoride-triggered self-quenching of perylene bisimide dyes in nanoparticle cores.

mehr

10.04.2013 | Jian Pei; Yan Zhou; Ya-Zhong Dai; Yu-Qing Zheng; Xiao-Ye Wang; Jie-Yu Wang, Chemical Communication, 2013

Six fluoranthene-fused imide derivatives were employed as acceptors in solution processed inverted BHJ solar cells with P3HT as donor. The PCEs of all devices varies from 2.14% to 2.89%. All acceptors are in their amorphous state with low electron mobility, but achieving high PCEs.

mehr