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Cation-Exchange Porosity Tuning in a Dynamic 4d–4f–3d Framework for NiII Ion-Selective Luminescent Probe

17-Apr-2015 | Ying Wang; Xiu-Guang Wang; Bin Yuan; Cheng-Yuan Shao; Yuan-Yuan Chen; Bing-Bing Zhou; Ming-Shu Li; Xiao-Mai An; Peng ..., Inorganic Chemistry, 2015

A heterometallic complex {[Yb2(L)6Cd2][Cd(H2O)6]·6H2O}n (Yb–Cd) (H2L = oxidiacetic acid) was synthesized under hydrothermal conditions. In Yb–Cd, each L chelates to one Yb3+ center and bonds to two Cd2+ ions in an anti-anti configuration. Yb and Cd atoms are arrayed alternatively and connected by ...

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Mechanism of Protection of Catalysts Supported in Redox Hydrogel Films

17-Apr-2015 | Vincent Fourmond; Stefanie Stapf; Huaiguang Li; Darren Buesen; James Birrell; Olaf Rüdiger; Wolfgang Lubitz; Wolfgan ..., Journal of the American Chemical Society, 2015

The use of synthetic inorganic complexes as supported catalysts is a key route in energy production and in industrial synthesis. However, their intrinsic oxygen sensitivity is sometimes an issue. Some of us have recently demonstrated that hydrogenases, the fragile but very efficient biological ...

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Diet-Based Strategies for Cancer Chemoprevention: The Role of Combination Regimens Using Dietary Bioactive Components

17-Apr-2015 | Christina DiMarco-Crook; Hang Xiao, Annual Review of Food Science and Technology, 2015

Chemopreventive agents that the general population can consume for prolonged periods of time with minimal risk of any side effects are of great interest to all in search of a solution to the pervasive incidence of cancer. Dietary bioactive components have been found to modulate many deregulated ...

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Structure-Related Mode-of-Action Differences of Anticancer Organoruthenium Complexes with β-Diketonates

17-Apr-2015 | Sara Seršen; Jakob Kljun; Kushtrim Kryeziu; Rostyslav Panchuk; Beatrix Alte; Wilfried Körner; Petra Heffeter; Walter ..., Journal of Medicinal Chemistry, 2015

A series of organoruthenium(II) chlorido complexes with fluorinated O,O-ligands [(η6-p-cymene)Ru(F3C-acac-Ar)Cl] (1a–6a) and their respective 1,3,5-triaza-7-phosphaadamantane (pta) derivatives [(η6-p-cymene)Ru(F3C-acac-Ar)pta]PF6 (1b–6b) were synthesized and fully characterized in both solution ...

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Amperometric Biosensor for Choline Based on Gold Screen‐Printed Electrode Modified with Electrochemically‐Deposited Silica Biocomposite

16-Apr-2015 | I. Mazurenko, O. Tananaiko, O. Biloivan, M. Zhybak, I. Pelyak, V. Zaitsev, M. Etienne, A. Walcarius, Electroanalysis, 2015

Abstract A mediator‐free choline biosensor was developed using the electrochemically assisted sol‐gel deposition on gold screen‐printed electrodes. The addition of 12 mM of cationic surfactant CTAB in silica sol allowed enhancing the stability of the sensor. The modified electrode demonstrated ...

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Mass spectrometric based approaches in urine metabolomics and biomarker discovery

16-Apr-2015 | Mona M. Khamis, Darryl J. Adamko, Anas El‐Aneed, Mass Spectrometry Reviews, 2015

Urine metabolomics has recently emerged as a prominent field for the discovery of non‐invasive biomarkers that can detect subtle metabolic discrepancies in response to a specific disease or therapeutic intervention. Urine, compared to other biofluids, is characterized by its ease of collection, ...

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4‐Cyano‐α‐methyl‐l‐phenylalanine as a Spectroscopic Marker for the Investigation of PeptaibioticMembrane Interactions

16-Apr-2015 | Marta De Zotti, Sara Bobone, Annalisa Bortolotti, Edoardo Longo, Barbara Biondi, Cristina Peggion, Fernando Formaggi ..., Chemistry & Biodiversity, 2015

Abstract Two analogs of the ten‐amino acid residue, membrane‐active lipopeptaibiotic trichogin GA IV, mono‐labeled with 4‐cyano‐α‐methyl‐L‐phenylalanine, a potentially useful fluorescence and IR absorption probe of the local microenvironment, were synthesized by the solid‐phase methodology and ...

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Synthesis and Self‐Assembly of o‐Nitrobenzyl‐Based Amphiphilic Hybrid Polymer with Light and pH Dual Response

16-Apr-2015 | Shasha Li, Sha Ji, Zheng Zhou, Guangxin Chen, Qifang Li, Macromolecular Chemistry and Physics, 2015

In this paper, novel light‐responsive polyhedral oligomeric silsesquioxane (POSS) end‐capped poly(o‐nitrobenzyl methacrylate) (POSS–PNBMA) are synthesized by the combination of atom transfer radical polymerization (ATRP) and click chemistry. After subsequent partial photocleavage of PNBMA ...

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Diverse application platform for hard X‐ray diffraction in SACLA (DAPHNIS): application to serial protein crystallography using an X‐ray free‐electron laser

16-Apr-2015 | Kensuke Tono, Eriko Nango, Michihiro Sugahara, Changyong Song, Jaehyun Park, Tomoyuki Tanaka, Rie Tanaka, Yasumasa J ..., Journal of Synchrotron Radiation, 2015

An experimental system for serial femtosecond crystallography using an X‐ray free‐electron laser (XFEL) has been developed. It basically consists of a sample chamber, fluid injectors and a two‐dimensional detector. The chamber and the injectors are operated under helium atmosphere at 1 atm. The ...

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ChemInform Abstract: Intercalation of Highly Dispersed Metal Nanoclusters into a Layered Metal Oxide for Photocatalytic Overall Water Splitting.

16-Apr-2015 | Takayoshi Oshima, Daling Lu, Osamu Ishitani, Kazuhiko Maeda, ChemInform, 2015

Abstract KCa2Nb3O10 intercalated with Pt nanoclusters with diameters smaller than 1 nm is obtained by addition of an aqueous solution of [Pt(NH3)4]Cl2 to a suspension of KCa2Nb3O10, followed by precipitation with KOH, drying at 343 K overnight, and heating under H2 flow at 473 K.

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