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Alkyl linker effects on the coordination topology of ditopic di(2-pyridylmethyl)amine carboxylate ligands with ZnII and CuII perchlorates: polymers vs macrocycles

26-Mar-2015 | Kiattipoom Rodpun; Allan G. Blackman; Michael G. Gardiner; Eng Wui Tan; Carla J. Meledandri; Nigel T. Lucas, CrystEngComm, 2015

A series of ditopic ω-di(2-pyridylmethyl)amine carboxylic acid ligands incorporating a range of n-alkyl linkers (CnCOOH, n = 3–5, 7, 10 and 11) have been synthesised. Solution phase studies showed a 1 [ ] : [ ] 1 coordination stoichiometry between the ligands and M(ClO4)2·6H2O (M = ZnII or CuII) ...


Optimization of charge carrier transport balance for performance improvement of PDPP3T-based polymer solar cells prepared using a hot solution

24-Mar-2015 | Jian Wang; Fujun Zhang; Miao Zhang; Wenbin Wang; Qiaoshi An; Lingliang Li; Qianqian Sun; Weihua Tang; Jian Zhang, Physical Chemistry Chemical Physics, 2015

Polymer solar cells (PSCs), with poly(diketopyrrolopyrrole-terthiophene) (PDPP3T):[6,6]-phenyl-C71-butyric acid methyl ester (PC71BM) as the active layers, were fabricated using solutions of different temperatures. The best power conversion efficiency (PCE) of the PSCs prepared using a hot ...


Water‐soluble polymeric chemosensor for selective detection of Hg2+ in aqueous solution using rhodamine‐based modified poly(acrylamide–acrylic acid)

23-Mar-2015 | Tong‐Mou Geng, Da‐Yu Wu, Luminescence, 2015

Abstract We report the fabrication of a novel easily available turn‐on fluorescent water‐soluble polymeric chemosensor for Hg2+ ions that was simply prepared by micellar free radical polymerization of a water‐insoluble organic rhodamine‐based Hg2+‐recognizing monomer (GR6GH), with hydrophilic ...


Poly(aniline-co-diphenylamine and 5-aminosalicylic acid) used for the electrocatalytic reduction and determination of m-nitrophenol

22-Mar-2015 | Author(s): Shaolin Mu, Journal of Electroanalytical Chemistry, 2015

Publication date: 15 April 2015 Source:Journal of Electroanalytical Chemistry, Volume 743 Author(s): Shaolin Mu Poly(aniline-co-diphenylamine and 5-aminosalicylic acid), i.e., poly(aniline-co-DPA-and 5-ASA), was electrochemically synthesized in a acidic solution containing aniline, ...


Evidence of Amine–CO2 Interactions in Two Pillared‐Layer MOFs Probed by X‐Ray Crystallography

20-Mar-2015 | Xiao‐Li Hu, Qi‐Han Gong, Rong‐Lin Zhong, Xin‐Long Wang, Chao Qin, Hao Wang, Jing Li, Kui‐Zhan Shao, Zhong‐Min Su, Chemistry - A European Journal, 2015

Abstract Two pillared‐layer metal–organic frameworks (MOFs; PMOF‐55 and NH2‐PMOF‐55) based on 1,2,4‐triazole and terephthalic acid (bdc)/NH2‐bdc ligands were assembled and display framework stabilities, to a certain degree, in both acid/alkaline solutions and toward water. They exhibit high ...


Oxidative Degradation of Nalidixic Acid by Nano-magnetite via Fe2+/O2-Mediated Reactions

20-Mar-2015 | Sandy G. Ardo; Sylvie Nélieu; Georges Ona-Nguema; Ghislaine Delarue; Jessica Brest; Elsa Pironin; Guillaume Morin, Environmental Science & Technology, 2015

Organic pollution has become a critical issue worldwide due to the increasing input and persistence of organic compounds in the environment. Iron minerals are potentially able to degrade efficiently organic pollutants sorbed to their surfaces via oxidative or reductive transformation processes. ...


One‐ and two‐dimensional polymers from proline and calcium bromide

19-Mar-2015 | Kevin Lamberts, Mihaela‐Diana Şerb, Ulli Englert, Acta Crystallographica Section C, 2015

Reactions of calcium bromide with enantiopure and racemic proline in aqueous solution lead to two solids in which the zwitterionic amino acid acts as a bridging ligand between neighbouring cations. Depending on the chirality of the amino acid, topologically very different products are obtained. ...


Arsenic Speciation in Rice by Capillary Electrophoresis/Inductively Coupled Plasma Mass Spectrometry: Enzyme-Assisted Water-Phase Microwave Digestion

19-Mar-2015 | Haiou Qu; Thilak K. Mudalige; Sean W. Linder, Journal of Agricultural and Food Chemistry, 2015

We report an analytical methodology for the quantification of common arsenic species in rice and rice cereal using capillary electrophoresis coupled with inductively coupled plasma mass spectrometry (CE–ICPMS). An enzyme (i.e., α-amylase)-assisted water-phase microwave extraction procedure was ...


Lewis Acid-Assisted Detection of Nerve Agents in Water

19-Mar-2015 | Rahul Butala; William Creasy; Roderick Fry; Michael L. McKee; David A Atwood, Chemical Communication, 2015

The five-coordinate compound, Salen(tBu)Al(Ac), prepared in situ from Salen(tBu)AlBr and NH4Ac, forms Lewis acid-base adducts in aqueous solution with the G-type nerve agents, sarin(GB), soman (GD), and the VX hydrolysis product EMPA. The resulting compounds, [Salen(tBu)Al(NA)]+[Ac]- (with NA = ...


From Solution to Gas Phase: The Implications of Intramolecular Interactions on the Evaporative Dynamics of Substance P During Electrospray Ionization

18-Mar-2015 | Kelly A. Servage; Joshua A. Silveira; Kyle L. Fort; David H. Russell, Journal of Physical Chemistry B, 2015

Substance P (RPKPQQFFGLM-NH2) [M + 3H]3+ ions have been shown to occupy two distinct conformer states, a compact population of conformers that is formed by evaporation of hydrated ions, and an elongated population of conformers that is formed by collisional heating of the compact conformer. ...


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