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New developments for the site-specific attachment of protein to surfaces

Description: Protein immobilization on surfaces is of great importance in numerous applications in biology and biophysics. The key for the success of all these applications relies on the immobilization technique employed to attach the protein to the corresponding surface. Protein immobilization can be based on covalent or noncovalent interaction of the molecule with the surface. Noncovalent interactions include hydrophobic interactions, hydrogen bonding, van der Waals forces, electrostatic forces, or physic… more
Date: May 12, 2005
Creator: Camarero, J A
Partner: UNT Libraries Government Documents Department
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Use of Carbon Fiber Composite Molecular Sieves for Air Separation

Description: A novel adsorbent material, 'carbon fiber composite molecular sieve' (CFCMS), has been developed by the Oak Ridge National Laboratory. Its features include high surface area, large pore volume, and a rigid, permeable carbon structure that exhibits significant electrical conductivity. The unique combination of high adsorptive capacity, permeability, good mechanical properties, and electrical conductivity represents an enabling technology for the development of novel gas separation and purificati… more
Date: September 1, 2005
Creator: Baker, Frederick S.; Contescu, Cristian I; Gallego, Nidia C & Burchell, Timothy D
Partner: UNT Libraries Government Documents Department
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Analysis of Devonian Black Shales in Kentucky for Potential Carbon Dioxide Sequestration and Enhanced Natural Gas Production

Description: Carbonaceous (black) Devonian gas shales underlie approximately two-thirds of Kentucky. In these shales, natural gas occurs in the intergranular and fracture porosity and is adsorbed on clay and kerogen surfaces. This is analogous to methane storage in coal beds, where CO2 is preferentially adsorbed, displacing methane. Black shales may similarly desorb methane in the presence of CO2. Drill cuttings from the Kentucky Geological Survey Well Sample and Core Library were sampled to determine both … more
Date: September 30, 2005
Creator: Nuttall, Brandon C.; Eble, Cortland F.; Drahovzal, James A. & Bustin, R. Marc
Partner: UNT Libraries Government Documents Department
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Reactive Spreading of a Lead-Free Solder on Alumina

Description: The wetting of Sn3Ag-based alloys on Al{sub 2}O{sub 3} has been studied using the sessile-drop configuration. Small additions of Ti decrease the contact angle of Sn3Ag alloys on alumina from 115 to 23 degrees. Adsorption of Ti-species at the solid-liquid interface prior to reaction is the driving force for the observed decrease in contact angle, and the spreading kinetics is controlled by the kinetics of Ti dissolution into the molten alloy. The addition of Ti increases the transport rates at t… more
Date: December 1, 2005
Creator: Gremillard, L.; Saiz, E.; Radmilovic, V.R. & Tomsia, A.P.
Partner: UNT Libraries Government Documents Department
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Real-time Bacterial Detection by Single Cell Based Sensors UsingSynchrotron FTIR Spectromicroscopy

Description: Microarrays of single macrophage cell based sensors weredeveloped and demonstrated for real time bacterium detection bysynchrotron FTIR microscopy. The cells were patterned on gold-SiO2substrates via a surface engineering technique by which the goldelectrodes were immobilized with fibronectin to mediate cell adhesion andthe silicon oxide background were passivated with PEG to resist proteinadsorption and cell adhesion. Cellular morphology and IR spectra ofsingle, double, and triple cells on gol… more
Date: August 10, 2005
Creator: Veiseh, Mandana; Veiseh, Omid; Martin, Michael C.; Bertozzi, Carolyn & Zhang, Miqin
Partner: UNT Libraries Government Documents Department
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Adsorption of lanthanum to goethite in the presence of gluconate

Description: Adsorption of Lanthanum to Goethite in the Presence of Gluconic Acid L. C. HULL,1 S. E. PEPPER2 AND S. B. CLARK2 1Idaho National Engineering and Environmental Laboratory, Idaho Falls, ID (hulllc@inel.gov) 2Washington State University, Pullman, WA (spepper@wsu.edu), (s_clark@wsu.edu) Lanthanide and trivalent-actinide elements in radioactive waste can pose risks to humans and ecological systems for many years. Organic complexing agents, from natural organic matter or the degradation of waste pack… more
Date: May 1, 2005
Creator: Hull, Laurence C.; Pepper, Sarah & Clark, Sue
Partner: UNT Libraries Government Documents Department
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Prediction Models for Plutonium, Strontium, Uranium and Neptunium Loading onto Monosodium Titanate (MST)

Description: The DA isotherm parameters for U, Pu, Sr and Np have been updated to include additional data obtained since the original derivation. The DA isotherms were modified to include a kinetic function derived by Rahn to describe sorbate loading from the beginning of sorption up to equilibrium. The final functions describe both kinetic and thermodynamic sorption. We selected the Rahn function to describe radionuclide sorption because it originates from diffusion and absorption controlled sorption. An i… more
Date: July 11, 2005
Creator: Fondeur, F. F.; Hobbs, D. T.; Barnes, M. J.; Peters, T. B. & Fink, S. D.
Partner: UNT Libraries Government Documents Department
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Mixed aromatic-alkyne system on Pd surface - a first principles study

Description: Chemistry of mixed aromatic-alkyne systems on a metal surface is of general interest in many industrial processes. We use Density Functional Theory (DFT) to investigate the chemistry of one such system, i.e., 1,4-diphenyl-butadiyne, or DPB, in contact with Pd (110) and (111) surfaces. Reaction pathways and energetics of important processes are explored, including H{sub 2} adsorption, dissociation and migration on the metal surface, DPB-metal interaction, the energetics of H uptake, and the effe… more
Date: May 10, 2005
Creator: Maiti, A; Gee, R; Maxwell, R & Saab, A
Partner: UNT Libraries Government Documents Department
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Improved Processes to Remove Naphthenic Acids

Description: In the past three years, we followed the work plan as we suggested in the proposal and made every efforts to fulfill the project objectives. Based on our large amount of creative and productive work, including both of experimental and theoretic aspects, we received important technical breakthrough on naphthenic acid removal process and obtained deep insight on catalytic decarboxylation chemistry. In detail, we established an integrated methodology to serve for all of the experimental and theore… more
Date: December 9, 2005
Creator: Zhang, Aihua; Ma, Qisheng; Wang, Kangshi; Tang, Yongchun & Goddard, William A.
Partner: UNT Libraries Government Documents Department
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DIRECT DECOMPOSITION OF METHANE TO HYDROGEN ON METAL LOADED ZEOLITE CATALYST

Description: The manufacture of hydrogen from natural gas is essential for the production of ultra clean transportation fuels. Not only is hydrogen necessary to upgrade low quality crude oils to high-quality, low sulfur ultra clean transportation fuels, hydrogen could eventually replace gasoline and diesel as the ultra clean transportation fuel of the future. Currently, refinery hydrogen is produced through the steam reforming of natural gas. Although efficient, the process is responsible for a significant … more
Date: August 1, 2005
Creator: Petkovic, Lucia M.; Ginosar, Daniel M.; Burch, Kyle C. & Rollins, Harry W.
Partner: UNT Libraries Government Documents Department
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New Tools for the site-specific attachment of proteins to surface

Description: Protein microarrays in which proteins are immobilized to a solid surface are ideal reagents for high-throughput experiments that require very small amounts of analyte. Such protein microarrays ('protein chips') can be used very efficiently to analyze all kind of protein interactions en masse. Although a variety of methods are available for attaching proteins on solid surfaces. Most of them rely on non-specific adsorption methods or on the reaction of chemical groups within proteins (mainly, ami… more
Date: June 17, 2005
Creator: Camarero, J A; Kwon, Y & Coleman, M A
Partner: UNT Libraries Government Documents Department
open access

Pilot Demonstration of Technology fo the Production of High Value Materials from the Ultra-Fine (PM 2.5) Fraction of Coal Combustion Ash

Description: Work on the project primarily focused on the design and testing of different hydraulic classifier configurations. A four cell, open channel, cross flow classifier with and without weirs separating the cells was evaluated. Drawbacks to this configuration included thick sediment compression zones and relatively low throughput. The configuration was redesigned with inclined lamellae plates, to increase sedimentation area and decreased sediment compression zone thickness. This configuration resulte… more
Date: June 27, 2005
Creator: Robl, T.L.; Groppo, J.G. & Henke, K.R.
Partner: UNT Libraries Government Documents Department
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Adsorption of biometals to monosodium titanate in biological environments

Description: Monosodium titanate (MST) is an inorganic sorbent/ion exchanger developed for the removal of radionuclides from nuclear wastes. We investigated the ability of MST to bind Cd(II), Hg(II), or Au(III) to establish the utility of MST for applications in environmental decontamination or medical therapy (drug delivery). Adsorption isotherms for MST were determined at pH 7-7.5 in water or phosphate-buffered saline. The extent of metal binding was determined spectroscopically by measuring the concentra… more
Date: June 6, 2005
Creator: Hobbs, D. T.; Messer, R. L. W.; Lewis, J. B.; Click, D. R. Lockwood, P. E. & Wataha, J. C.
Partner: UNT Libraries Government Documents Department
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Bimetallic and Trimetallic Nanoparticles for Fuel Cell Electrocatalysis

Description: Theoretical, high level ab initio investigations on representative clusters as well as on extended systems are conducted to determine the electronic, geometric, and thermodynamic factors that determine catalytic and electrocatalytic behavior, focusing in the reduction of oxygen in acid medium. The study of adsorption and reaction processes generates the information needed for force field development to be used in the analysis of nanocatalyst particles, their support, and their environment throu… more
Date: October 31, 2005
Creator: Balbuena, Perla B. & Seminario, Jorge M.
Partner: UNT Libraries Government Documents Department
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Upgrading Methane Using Ultra-Fast Thermal Swing Adsorption Quarterly Report: April-June 2005

Description: The purpose of this project is to design and demonstrate an approach to upgrade low-BTU methane streams from coal mines to pipeline-quality natural gas. The objective of Phase I of the project was to assess the technical feasibility and cost of upgrading low-BTU methane streams using ultra-fast thermal swing adsorption (TSA) using Velocys modular microchannel process technology. The objective of Phase II is to demonstrate the process at the bench-scale. Natural gas upgrading systems have six ma… more
Date: July 1, 2005
Creator: Tonkovich, Anna Lee
Partner: UNT Libraries Government Documents Department
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The effects of zirconia morphology on methanol synthesis from COand H2 over Cu/ZrO2 catalysts: Part I -- Steady-State Studies

Description: The effect of zirconia phase on the activity and selectivityof Cu/ZrO2 for the hydrogenation of CO has been investigated. Relativelypure t-ZrO2 and m-ZrO2 were prepared with high surface areas (~; 145m2/g). Copper was then deposited onto the surface of these materials byeither incipient-wetness impregnation or deposition-precipitation. For afixed Cu surface area, Cu/m-ZrO2 was tenfold more active for methanolsynthesis than Cu/t-ZrO2 from a feed of 3/1 H2/CO at 3.0 MPa andtemperatures between 47… more
Date: March 21, 2005
Creator: Rhodes, Michael J. & Bell, Alexis T.
Partner: UNT Libraries Government Documents Department
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Extension-Upgrading Methane Using Ultra-Fast Thermal Swing Adsorption

Description: The purpose of this project is to develop a cost effective technology for upgrading coal mine methane to natural gas pipeline quality. Nitrogen rejection is the most costly step with conventional technology and emerging competitive technology. Significant cost reductions to this step will allow for the cost effective capture and utilization of this otherwise potent greenhouse gas. The proposed approach is based on the microchannel technology platform that Velocys is developing to commercialize … more
Date: October 1, 2005
Creator: Tonkovich, Anna Lee
Partner: UNT Libraries Government Documents Department
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Carbon Dioxide Capture From Flue Gas Using Dry Regenerable Sorbents Quarterly Technical Progress Report: October-December 2004

Description: This report describes research conducted between October 1, 2004 and December 31, 2004 on the use of dry regenerable sorbents for removal of carbon dioxide from flue gas. Two supported sorbents were tested in a bench scale fluidized bed reactor system. The sorbents were prepared by impregnation of sodium carbonate on to an inert support at a commercial catalyst manufacturing facility. One sorbent, tested through five cycles of carbon dioxide sorption in an atmosphere of 3% water vapor and 0.8 t… more
Date: January 1, 2005
Creator: Green, David A.; Turk, Brian S.; Portzer, Jeffrey W.; Nelson, Thomas & Gupta, Raghubir P.
Partner: UNT Libraries Government Documents Department
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Dilute Surfactant Methods for Carbonate Formations Quarterly Report

Description: There are many carbonate reservoirs in US (and the world) with light oil and fracture pressure below its minimum miscibility pressure (or reservoir may be naturally fractured). Many carbonate reservoirs are naturally fractured. Waterflooding is effective in fractured reservoirs, if the formation is water-wet. Many fractured carbonate reservoirs, however, are mixed-wet and recoveries with conventional methods are low (less than 10%). Thermal and miscible tertiary recovery techniques are not effe… more
Date: July 1, 2005
Creator: Mohanty, Kishore K.
Partner: UNT Libraries Government Documents Department
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Improved Processes to Remove Naphthenic Acids

Description: In the second year of this project, we continued our effort to develop low temperature decarboxylation catalysts and investigate the behavior of these catalysts at different reaction conditions. We conducted a large number of dynamic measurements with crude oil and model compounds to obtain the information at different reaction stages, which was scheduled as the Task2 in our work plan. We developed a novel adsorption method to remove naphthenic acid from crude oil using naturally occurring mate… more
Date: May 5, 2005
Creator: Zhang, Aihua; Ma, Qisheng; Wang, Kangshi; Goddard, William A. & Tang, Yongchun
Partner: UNT Libraries Government Documents Department
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INTEGRATED POWER GENERATION SYSTEMS FOR COAL MINE WASTE METHANE UTILIZATION

Description: An integrated system to utilize the waste coal mine methane (CMM) at the Federal No. 2 Coal Mine in West Virginia was designed and built. The system includes power generation, using internal combustion engines, along with gas processing equipment to upgrade sub-quality waste methane to pipeline quality standards. The power generation has a nominal capacity of 1,200 kw and the gas processing system can treat about 1 million cubic feet per day (1 MMCFD) of gas. The gas processing is based on the … more
Date: August 1, 2005
Creator: Soot, Peet M.; Jesse, Dale R. & Smith, Michael E.
Partner: UNT Libraries Government Documents Department
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Field Test Program to Develop Comprehensive Design, Operating, and Cost Data for Mercury Control Systems, Final Site Report for: Brayton Point Generating Station Unit 1

Description: Brayton Point Unit 1 was successfully tested for applicability of activated carbon injection as a mercury control technology. Test results from this site have enabled a thorough evaluation of the impacts of future mercury regulations to Brayton Point Unit 1, including performance, estimated cost, and operation data. This unit has variable (29-75%) native mercury removal, thus it was important to understand the impacts of process variables and activated carbon on mercury capture. The team respon… more
Date: March 17, 2005
Creator: Durham, Michael D.
Partner: UNT Libraries Government Documents Department
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co2 Selective Ceramic Membrane for Water-Gas-Shift Reaction With Concomitant Recovery of CO2

Description: A high temperature membrane reactor (MR) has been developed to enhance the water-gas-shift (WGS) reaction efficiency with concomitant CO{sub 2} removal for sequestration. This improved WGS-MR with CO{sub 2} recovery capability is ideally suitable for integration into the Integrated Gasification Combined-Cycle (IGCC) power generation system. Two different CO{sub 2}-affinity materials were selected in this study. The Mg-Al-CO{sub 3}-layered double hydroxide (LDH) was investigated as an adsorbent … more
Date: July 15, 2005
Creator: Liu, Paul K.T.
Partner: UNT Libraries Government Documents Department
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Speciation and Attenuation of Arsenic and Selenium at Coal Combustion By-Product Management Facilities

Description: Following completion of contracting activities, sites were identified for the field leachate characterization study. Sampling and Analyses Plans (SAPs) and Site Access Agreements (SAAs) were developed for each site. A total of ten sites were sampled during this reporting period. Among the trace constituents, boron, silicon, and strontium were present in highest concentrations, with median values above 1 mg/L (1,000 {micro}g/L). Work on the first of three sites for the detailed arsenic and selen… more
Date: October 18, 2005
Creator: Ladwig, K.; Hensel, B.; Wallschlager, D.; Lee, L. & Murarka, I.
Partner: UNT Libraries Government Documents Department
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