Zobrazeno 1 - 10 of 73 pro vyhledávání: '"Darren R. Dunphy"'
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Akademický článek
Influence of material properties on TiO2 nanoparticle agglomeration.
Autor: Dongxu Zhou, Zhaoxia Ji, Xingmao Jiang, Darren R Dunphy, Jeffrey Brinker, Arturo A Keller
Publikováno v: PLoS ONE, Vol 8, Iss 11, p e81239 (2013)
Emerging nanomaterials are being manufactured with varying particle sizes, morphologies, and crystal structures in the pursuit of achieving outstanding functional properties. These variations in these key material properties of nanoparticles may affe
Externí odkaz: https://doaj.org/article/ab2261a439f54a1db53f4791b1a3655d
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2
Ultra-thin enzymatic liquid membrane for CO2 separation and capture
Autor: C. Jeffrey Brinker, Darren R. Dunphy, Yaqin Fu, Hongxia Zhang, Stanley S. Chou, Joseph L. Cecchi, Juan M. Vanegas, Jonas G. Croissant, Eric N. Coker, Haifeng Xiong, Susan B. Rempe, Ying-Bing Jiang
Publikováno v: Nature Communications, Vol 9, Iss 1, Pp 1-12 (2018)
The limited flux and selectivities of current carbon dioxide membranes and the high costs associated with conventional absorption-based CO2 sequestration call for alternative CO2 separation approaches. Here we describe an enzymatically active, ultra-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56798e8c7d6e32fcf7b2e6c5c151365f
https://doaj.org/article/b77c3eba28a14f1e9865fe5c0fba35ad
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3
Influence of Silica Matrix Composition and Functional Component Additives on the Bioactivity and Viability of Encapsulated Living Cells
Autor: Darren R. Dunphy, Travis Savage, Svetlana Harbaugh, Jason C. Harper, Nancy Kelley-Loughnane, C. Jeffrey Brinker
Publikováno v: ACS Biomaterials Science & Engineering. 1:1231-1238
The remarkable impact encapsulation matrix chemistry can have on the bioactivity and viability of integrated living cells is reported. Two silica chemistries (aqueous silicate and alkoxysilane), and a functional component additive (glycerol), are emp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d66d8c882786e4acbc6cbbb4cbbfc393
https://doi.org/10.1021/acsbiomaterials.5b00261
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4
In situ characterization of silver nanoparticle synthesis in maltodextrin supramolecular structures
Autor: Darren R. Dunphy, Ping Lu, Nelson S. Bell, Timothy N. Lambert, Timothy J. Boyle
Publikováno v: Colloids and Surfaces B: Biointerfaces. 134:98-104
The use of maltodextrin supramolecular structures (MD SMS) as a reducing agent and colloidal stabilizing agent for the synthesis of Ag nanoparticles (Ag NPs) identified three key points. First, the maltodextrin (MD) solutions are effective in the for
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b24a40eff626f34a7d9eff2dbc10ccf5
https://doi.org/10.1016/j.colsurfb.2015.06.030
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5
Reduction of Acute Inflammatory Effects of Fumed Silica Nanoparticles in the Lung by Adjusting Silanol Display through Calcination and Metal Doping
Autor: Yu-Pei Liao, Suman Pokhrel, Xiang Wang, Juyao Dong, Tian Xia, Andre E. Nel, Zhaoxia Ji, Haiyuan Zhang, Lutz Mädler, Ruibin Li, Bingbing Sun, Darren R. Dunphy, Chong Hyun Chang, C. Jeffrey Brinker, Meiying Wang
Publikováno v: Sun, B; Pokhrel, S; Dunphy, DR; Zhang, H; Ji, Z; Wang, X; et al.(2015). Reduction of Acute Inflammatory Effects of Fumed Silica Nanoparticles in the Lung by Adjusting Silanol Display through Calcination and Metal Doping. ACS Nano, 9(9), 9357-9372. doi: 10.1021/acsnano.5b03443. UCLA: Retrieved from: http://www.escholarship.org/uc/item/0w69m2zj
ACS nano, vol 9, iss 9
© 2015 American Chemical Society. The production of pyrogenic (fumed) silica is increasing worldwide at a 7% annual growth rate, including expanded use in food, pharmaceuticals, and other industrial products. Synthetic amorphous silica, including fu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f67193136daf2c176d83f6016df49f3
https://doi.org/10.1021/acsnano.5b03443
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6
Enlarged Pore Size in Mesoporous Silica Films Templated by Pluronic F127: Use of Poloxamer Mixtures and Increased Template/SiO2 Ratios in Materials Synthesized by Evaporation-Induced Self-Assembly
Autor: Darren R. Dunphy, Fred L. Garcia, C. Jeffrey Brinker, Pratik H. Sheth
Publikováno v: Chemistry of Materials. 27:75-84
Although evaporation-induced self-assembly (EISA) has proven to be a convenient method for synthesizing nanoporous silica films (and particles), accessing material structures with pore sizes larger than ca. 10 nm remains experimentally inconvenient.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc39dec31d768a500e56fe4fedfc8ecf
https://doi.org/10.1021/cm5031624
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8
Bio-inspired Murray materials for mass transfer and activity
Autor: Darren R. Dunphy, Tawfique Hasan, Bao-Lian Su, Guofang Shen, C. Jeffrey Brinker, Yu Li, Xianfeng Zheng, Chao Wang
Publikováno v: Nature Communications, Vol 8, Iss 1, Pp 1-9 (2017)
Nature Communications
Zheng, X, Shen, G, Wang, C, Li, Y, Dunphy, D, Hasan, T, Brinker, C J & Su, B L 2017, ' Bio-inspired Murray materials for mass transfer and activity ', Nature Communications, vol. 8, 14921, pp. 14921 . https://doi.org/10.1038/ncomms14921
Both plants and animals possess analogous tissues containing hierarchical networks of pores, with pore size ratios that have evolved to maximize mass transport and rates of reactions. The underlying physical principles of this optimized hierarchical
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15d473f4f50bc596e4f86c4e03da8cab
https://www.repository.cam.ac.uk/handle/1810/263889
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9
Revealing the Interfacial Self-Assembly Pathway of Large-Scale, Highly-Ordered, Nanoparticle/Polymer Monolayer Arrays at an Air/Water Interface
Autor: Dan C. Wilkinson, Jin Wang, C. Jeffrey Brinker, Juan J. de Pablo, Zhang Jiang, Joseph Strzalka, Shisheng Xiong, Yongrui Su, Darren R. Dunphy
Publikováno v: Nano Letters. 13:1041-1046
The pathway of interfacial self-assembly of large-scale, highly ordered 2D nanoparticle/polymer monolayer or bilayer arrays from a toluene solution at an air/water interface was investigated using grazing-incidence small-angle scattering at a synchro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::796b3acded70c6305644cba4daf9af89
https://doi.org/10.1021/nl304253y
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10
Repetitive Dosing of Fumed Silica Leads to Profibrogenic Effects through Unique Structure-Activity Relationships and Biopersistence in the Lung
Autor: Chong Hyun Chang, C. Jeffrey Brinker, Bingbing Sun, Justine Ku, Ruibin Li, Andre E. Nel, Huan Meng, Yu-Pei Liao, Tian Xia, Xiangsheng Liu, Lutz Mädler, Darren R. Dunphy, Suman Pokhrel, Zhaoxia Ji, Xiang Wang, Meiying Wang
Publikováno v: ACS nano, vol 10, iss 8
Sun, B; Wang, X; Liao, Y-P; Ji, Z; Chang, CH; Pokhrel, S; et al.(2016). Repetitive Dosing of Fumed Silica Leads to Profibrogenic Effects through Unique Structure-Activity Relationships and Biopersistence in the Lung. ACS NANO, 10(8), 8054-8066. doi: 10.1021/acsnano.6b04143. UCLA: Retrieved from: http://www.escholarship.org/uc/item/0bz1d6x3
Contrary to the notion that the use of fumed silica in consumer products can “generally (be) regarded as safe” (GRAS), the high surface reactivity of pyrogenic silica differs from other forms of synthetic amorphous silica (SAS), including the cap
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5608bae465f11888023ca1c2d52bd868
https://escholarship.org/uc/item/0bz1d6x3
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