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Kinetic Analysis of Nitroxide Radical Formation Under Oxygenated Photolysis: Toward Quantitative Singlet Oxygen Topology

22-10-2014 | Malcolm Forbes; David F Zigler; Eva Chuheng Ding; Renat Khatmullin; Vanessa M DiPasquale; Valery F Tarasov; R. Brend ..., Photochemical & Photobiological Sciences, 2014

Reaction kinetics for two sterically hindered secondary amines with singlet oxygen have been studied in detail. A water soluble porphyrin sensitizer, 5,10,15,20-tetrakis-(4-sulfunatophenyl)-21,23H-porphyrin (TPPS), was irradiated in oxygenated aqueous solutions containing either ...

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Supramolecular photochemistry: from molecular crystals to water-soluble capsules

22-10-2014 | V. Ramamurthy; Shipra Gupta, Chemical Society Reviews, 2014

Photochemical and photophysical behavior of molecules in supramolecular assemblies are different and more selective than in gas and isotropic solution phases. Knowledge of the inherent electronic and steric properties of the reactant is insufficient to predict the excited state behavior of ...

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Biomimetic super-lyophobic and super-lyophilic materials applied for oil/water separation: a new strategy beyond nature

22-10-2014 | Ben Wang; Weixin Liang; Zhiguang Guo; Weimin Liu, Chemical Society Reviews, 2014

Oil spills and industrial organic pollutants have induced severe water pollution and threatened every species in the ecological system. To deal with oily water, special wettability stimulated materials have been developed over the past decade to separate oil-and-water mixtures. Basically, synergy ...

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Janus ultrathin film from multi-level self-assembly at air–water interfaces

22-10-2014 | Hongbin Zhang; Rui Hao; John K. Jackson; Mu Chiao; Haifeng Yu, Chemical Communication, 2014

Ultrathin free-standing Janus films were fabricated at air–water interfaces using azopyridine derivatives and poly(acrylic acid) via multi-level self-assembly on molecular and microscopic scales, which showed distinct asymmetric water wetting abilities on different surfaces.

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Excited-State Proton Coupled Electron Transfer Between Photolyase and the Damaged DNA Through Water Wire: A Photo-Repair Mechanism

22-10-2014 | Xuebo Chen; Hongjuan Wang; Wei-hai Fang, Physical Chemistry Chemical Physics, 2014

Phys. Chem. Chem. Phys., 2014, Accepted ManuscriptDOI: 10.1039/C4CP04130E, Paper Xuebo Chen, Hongjuan Wang, Wei-hai FangThis is an Accepted Manuscript, which has been through the RSC Publishing peer review process and has been accepted for publication. Accepted manuscripts are published online ...

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Triple-function zwitterion for preparing water compatible diclofenac imprinted polymers

22-10-2014 | Feng Shen; Qingxi Zhang; Xueqin Ren, Chemical Communication, 2014

A novel zwitterion acting as both functional monomer and crosslinker, with protein-resistant ability concomitantly was synthesized for preparing water compatible diclofenac imprinted polymers. This new imprinted polymer showed high imprinting efficiency for template and strong anti-protein ...

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Environment friendly template free microwave synthesis of sub-micron sized hierarchical titania nanostructures and their application in photovoltaics

22-10-2014 | Sofia Javed; Muhammad Aftab Akram; Mohammad Mujahid, CrystEngComm, 2014

A simple low temperature microwave synthesis of hierarchical nanostructures (HNSs) of titania in DI water is reported. A great advantage of the reported method is the production of sub-micron sized HNSs without any surfactant or hydrofluoric acid. The hierarchical morphology provides huge surface ...

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Hydration of Cyanide Anion: An Ab Initio Quantum Mechanical Charge Field Molecular Dynamics Study

22-10-2014 | Syed Tarique Moin; Thomas Hofer, Physical Chemistry Chemical Physics, 2014

This paper presents an ab initio quantum mechanical charge field molecular dynamics simulation study of the cyanide anion CN- in aqueous solution where hydrogen bond formation plays a dominant role in the hydration process. Preferential orientation of water hydrogens compared to oxygen atoms was ...

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A novel photoelectrocatalytic approach for water splitting by an I-BiOCl/bipolar membrane sandwich structure

22-10-2014 | Xian Liu; Huimin Yang; Hongyan Dai; Xiaoming Mao; Zhenhai Liang, Green Chemistry, 2014

A novel photoelectrocatalytic approach for water splitting through an I-BiOCl/bipolar membrane sandwich structure with photoelectro-synergistic catalysis is proposed in this study. The I-BiOCl/bipolar membrane sandwich structure could facilitate separation of photoexcited electrons and holes, ...

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Conversion of chitin derived N-acetyl-D-glucosamine (NAG) into polyols over transition metal catalysts and hydrogen in water

21-10-2014 | Felix Daniel Bobbink; Jiaguang Zhang; Yann Pierson; Xi Chen; Ning Yan, Green Chemistry, 2014

N-Acetyl-D-glucosamine (NAG), the monomer of the world second most abundant biopolymer chitin, has been for the first time converted to its corresponding amide/amino substituted sugar alcohols, smaller C2~4 polyols and N-acetylmonoethanolamine (NMEA), over noble metal catalysts in the presence of ...

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