17.10.2013 | A. Shanavas, T. Narasimhaswamy, B.V.N. Phani Kumar, A. Sultan Nasar, Canadian Journal of Chemistry, 2013

Utilisant des approches divergentes, on a réalisé des synthèses de nouveaux mésogènes en forme étoilée à base d'acide trimésique et des portions centrales portant des chaînes latérales symétriques se terminant par des groupes alcoxy. Les portions centrales et les chaînes latérales sont liées ...

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10.04.2013 | Stephanie J. Harris; Daniel Murdock; Yuyuan Zhang; Thomas A. A. Oliver; Michael P. Grubb; Andrew J. Orr-Ewing; Grego ..., Physical Chemistry Chemical Physics, 2013

This article explores the extent to which insights gleaned from detailed studies of molecular photodissociations in the gas phase (i.e. under isolated molecule conditions) can inform our understanding of the corresponding photofragmentation processes in solution. Systems selected for ...

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10.04.2013 | Ana C. Gomes; Sofia M. Bruno; Carla A. Gamelas; Anabela A. Valente; Marta Abrantes; Isabel S. Goncalves; Carlos C. R ..., Dalton Transactions, 2013

A Zn-Al layered double hydroxide (LDH) intercalated by [Mo(η3-C3H5)Cl(CO)2(bpdc)]2- anions (bpdc = 2,2'-bipyridine-5,5'-dicarboxylate) has been prepared by coprecipitation from aqueous solution and characterised by various techniques. The one-pot method gives rise to a highly organised ...

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10.04.2013 | Abhimanew Dhir; Chullikkattil P. Pradeep; Manisha Devi, Dalton Transactions, 2013

New melamine based ligand 3 with pyrene as fluorophore is synthesized and characterized. The sequential addition of Au3+ ions and ascorbic acid to the solution of 3 in EtOH:H2O (9.5:0.5 v/v) generates gold micro particles (AuMPs). However, the particle size distribution and fluorescence ...

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10.04.2013 | Luigi Sasso; Arto Heiskanen; Francesco Diazzi; Maria Dimaki; Jaime Castillo; Marco Vergani; Ettore Landini; Roberto ..., Analyst, 2013

A surface modification of interdigitated gold microelectrodes (IDEs) with a doped polypyrrole (PPy) film for detection of dopamine released from populations of differentiated PC12 cells is presented. A thin PPy layer was potentiostatically electropolymerized from an aqueous pyrrole solution ...

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10.04.2013 | Jinhua Sun; Linhong Xiao; Dongli Meng; Jianxin Geng; Yong Huang, Chemical Communication, 2013

Composite films of chemically converted graphene (CCG) and water-soluble polythiophenes (P3TOPS and P3TOPA) were prepared by LBL method using the suspension of negatively charged CCG/P3TOPS sheets and the solution of positively charged P3TOPA. The composite films show enhanced photoresponse ...

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10.04.2013 | Fei Zeng; Yun Shen; Chuan-Feng Chen, Soft Matter, 2013

Triptycene-derived macrotricyclic polyether was proved to be an efficient “molecular glue” for cross-linking the copolymer containing dibenzylammonium salts to form supramolecular polymer networks via host–guest complexation, which was evidenced by 1H NMR spectroscopy, solution viscometry, ...

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10.04.2013 | Li Wang; Xinghao Zhang; Kezheng Chen, CrystEngComm, 2013

Three dimensionally (3D) hierarchically porous ZnO architectures constructed of sheet-like structures were prepared through a calcination of a bilamellar basic zinc citrate intermediate. The molar ratio of the precursors and the pH value of the reaction solution play a crucial role in the ...

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10.04.2013 | Yevgeniy Nosenko; Fabian Menges; Christoph Riehn; Gereon Niedner-Schatterburg, Physical Chemistry Chemical Physics, 2013

Two Ag(I) ions, deprotonated 1 methyl-thymine (1MT-H)- and 1,3 dideaza-adenine (DDA) self-assemble in methanolic solution to a cationic [(Ag)2(1MT-H)(DDA)]+ complex. This stoichiometry identifies in the course of electrospray ionization mass spectrometry. One- and two-color Infrared Multiple ...

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10.04.2013 | Takahiro Kusukawa; Kazuya Matsumoto; Hajime Nakamura; Wataru Iizuka; Keisuke Toyama; Shota Takeshita, Organic & Biomolecular Chemistry, 2013

A series of diamidine dihydrochlorides was prepared utilizing a spacer unit to control the distance between the two amidinium groups. The introduction of two amidinium groups to the 1,8-position of each spacer unit (i.e., 9,10-dihydroanthracene, anthracene, biphenylene) can control the ...

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