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Singlet Oxygen Generation on Porous Superhydrophobic Surfaces: Effect of Gas Flow and Sensitizer Wetting on Trapping Efficiency

13-06-2014 | Yuanyuan Zhao; Yang Liu; Qianfeng Xu; Mark Barahman; Dorota Bartusik; Alexander Greer; Alan M. Lyons, Journal of Physical Chemistry A, 2014

We describe physical-organic studies of singlet oxygen generation and transport into an aqueous solution supported on superhydrophobic surfaces on which silicon–phthalocyanine (Pc) particles are immobilized. Singlet oxygen (1O2) was trapped by a water-soluble anthracene compound and monitored in ...

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A structure-specific nucleic acid-binding domain conserved among DNA repair proteins [Biochemistry]

27-05-2014 | Aaron C. Mason; Robert P. Rambo; Briana Greer; Michael Pritchett; John A. Tainer; David Cortez; Brandt F. Eichman, Proceedings of the National Academy of Sciences current issue, 2014

SMARCAL1, a DNA remodeling protein fundamental to genome integrity during replication, is the only gene associated with the developmental disorder Schimke immuno-osseous dysplasia (SIOD). SMARCAL1-deficient cells show collapsed replication forks, S-phase cell cycle arrest, increased chromosomal ...

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ChemInform Abstract: Advances in Carbon‐Incorporated Non‐noble Transition Metal Catalysts for Oxygen Reduction Reaction in Polymer Electrolyte Fuel Cells

21-03-2014 | Tai‐Feng Hung, Syuan‐Hong Chen, Meng‐Hsiu Tu, Zhi‐Hsiang Lu, Chih Kai Chen, Ru‐Shi Liu, Heather F. Greer, Wuzong Zho ..., ChemInform, 2014

Abstract Review: 56 refs.

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[Report] Highly Crystalline Multimetallic Nanoframes with Three-Dimensional Electrocatalytic Surfaces

21-03-2014 | Chen Chen; Yijin Kang; Ziyang Huo; Zhongwei Zhu; Wenyu Huang; Huolin L. Xin; Joshua D. Snyder; Dongguo Li; Jeffrey A ..., Science , 2014

Highly active electrocatalysts are created by eroding away all but the edges of platinum-nickel nanocrystals. [Also see Perspective by Greer] Authors: Chen Chen, Yijin Kang, Ziyang Huo, Zhongwei Zhu...

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[Perspective] Nanoframe Catalysts

21-03-2014 | Julia R. Greer, Science , 2014

Nanoframe electrocatalysts containing only small amounts of precious metal show very high activities. [Also see Report by Chen et al.] Author: Julia R. Greer...

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Synergism between Airborne Singlet Oxygen and a Trisubstituted Olefin Sulfonate for the Inactivation of Bacteria

21-03-2014 | Rajib Choudhury; Alexander Greer, Langmuir, 2014

The reactivity of a trisubstituted alkene surfactant (8-methylnon-7-ene-1 sulfonate, 1) to airborne singlet oxygen in a solution containing E. coli was examined. Surfactant 1 was prepared by a Strecker-type reaction of 9-bromo-2-methylnon-2-ene with sodium sulfite. Submicellar concentrations of 1 ...

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Application of Cabrio (a.i. pyraclostrobin) at flowering and veraison reduces the severity of bitter rot (Greeneria uvicola) and ripe rot (Colletotrichum acutatum) of grapes

20-03-2014 | S.K. Samuelian, L.A. Greer, S. Savocchia, C.C. Steel, Australian Journal of Grape and Wine Research, 2014

Abstract Background and Aims Ripe rot (Colletotrichum acutatum) and bitter rot (Greeneria uvicola) are two bunch rot diseases of grapes that occur in warm and wet conditions close to harvest. Management practices for the more commonly occurring bunch rot, Botrytis grey mould, appear to be ...

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Novel Resveratrol-Based Substrates for Human Hepatic, Renal, and Intestinal UDP-Glucuronosyltransferases

11-03-2014 | Aleksandra K. Greer; Nikhil R. Madadi; Stacie M. Bratton; Sarah D. Eddy; Zofia Mazerska; Howard P. Hendrickson; Pete ..., Chemical Research in Toxicology, 2014

Trans-Resveratrol (tRes) has been shown to have powerful antioxidant, anti-inflammatory, anticarcinogenic, and antiaging properties; however, its use as a therapeutic agent is limited by its rapid metabolism into its conjugated forms by UDP-glucuronosyltransferases (UGTs). The aim of the current ...

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Fabrication and Deformation of Metallic Glass Micro‐Lattices

28-01-2014 | Jan Rys, Lorenzo Valdevit, Tobias A. Schaedler, Alan J. Jacobsen, William B. Carter, Julia R. Greer, Advanced Engineering Materials, 2014

Recent progress in micro‐ and nanofabrication techniques enables the creation of hierarchically architected microlattices with dimensional control over six orders of magnitude, from centimeters down to nanometers. This hierarchical control facilitates the exploration of opportunities to exploit ...

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Microstructural study of the formation mechanism of metal–organic framework MOF-5

27-12-2013 | Chunman Zheng; Heather F. Greer; Chang-Yang Chiang; Wuzong Zhou, CrystEngComm, 2013

Metal–organic framework, MOF-5, is re-synthesised using an established method, which reveals an extraordinary formation mechanism. The earliest detected crystalline phase is Zn5(OH)8(NO3)2·2H2O, in the form of nanoplatelets 5 to 10 nm in diameter, which aggregate with surface adsorbed organic ...

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