• Publications
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Mass transfer in various hollow fiber geometries
Abstract Mass transfer coefficients in commercial modules, including blood oxygenators, agree with literature correlations at high flows but are smaller at low flows. The smaller values at low flowsExpand
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Produced water treatment by nanofiltration and reverse osmosis membranes
Produced water, water that is co-produced during oil and gas manufacturing, represents the largest source of oily wastewaters. Given high oil and gas prices, oil and gas production fromExpand
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Stimuli-responsive membranes
Stimuli-responsive membranes change their physicochemical properties in response to changes in their environment. Stimuli-responsive membranes have been designed to respond to changes in pH, temper-Expand
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  • PDF
Arsenic removal by coagulation and filtration: comparison of groundwaters from the United States and Bangladesh
Abstract Arsenic contamination of drinking water is a concern in many parts of the world. In the United States, the Environmental Protection Agency recently reduced the maximum contaminant level ofExpand
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Characterizing solute binding to macroporous ion exchange membrane adsorbers using confocal laser scanning microscopy
Abstract Purification of virus particles for viral vaccines and applications of gene therapy is a major large scale separations challenge. Here adsorption of Aedes aegypti densonucleosis virus byExpand
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Surface-initiated atom transfer radical polymerization : A new method for preparation of polymeric membrane adsorbers
This contribution demonstrates a method for preparing high-capacity membrane adsorbers by growing surface-tethered, charged polymer nanolayers from the surfaces of regenerated cellulose (RC)Expand
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Hairy Roots of Helianthus annuus: A Model System to Study Phytoremediation of Tetracycline and Oxytetracycline
The release of antibiotics to the environment has to be controlled because of serious threats to human health. Hairy root cultures of Helianthus annuus (sunflower), along with their inherentExpand
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Hollow fiber modules made with hollow fiber fabric
Abstract We have measured the overall mass transfer coefficient of oxygen from water across a hollow fiber membrane into nitrogen. The membranes are microporous, so this overall mass transfer isExpand
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Anion exchange membrane adsorbers for flow‐through polishing steps: Part II. Virus, host cell protein, DNA clearance, and antibody recovery
Anion exchange membrane adsorbers are used for contaminant removal in flow‐through polishing steps in the manufacture of biopharmaceuticals. This contribution describes the clearance of minute virusExpand
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Understanding virus filtration membrane performance
Abstract Virus filtration membranes are used to obtain virus clearance during the purification of biopharmaceutical products. These direct flow (also referred to as dead end or normal flow)Expand
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