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3,4,3-LI(1,2-HOPO): In Vitro Formation of Highly Stable Lanthanide Complexes Translates into Efficacious In Vivo Europium Decorporation
The spermine-based hydroxypyridonate octadentate chelator 3,4,3-LI(1,2-HOPO) was investigated for its ability to act as an antennae that sensitizes the emission of Sm{sup III}, Eu{sup III}, and Tb{sup III} in the Visible range (Φ{sub tot} = 0.2 - 7%) and the emission of Pr{sup III}, Nd{sup III}, Sm{sup III}, and Yb{sup III} in the Near Infra-Red range, with decay times varying from 1.78 μs to 805 μs at room temperature. The particular luminescence spectroscopic properties of these lanthanide complexes formed with 3,4,3-LI(1,2-HOPO) were used to characterize their respective solution thermodynamic stabilities as well as those of the corresponding La{sup III}, Gd{sup III}, Dy{sup III}, Ho{sup III}, Er{sup III}, Tm{sup III}, and Lu{sup III} complexes. The remarkably high affinity of 3,4,3-LI(1,2-HOPO) for lanthanide metal ions and the resulting high complex stabilities (pM values ranging from 17.2 for La{sup III} to 23.1 for Yb{sup III}) constitute a necessary but not sufficient criteria to consider this octadentate ligand an optimal candidate for in vivo metal decorporation. The in vivo lanthanide complex stability and decorporation capacity of the ligand were assessed, using the radioactive isotope {sup 152}Eu as a tracer in a rodent model, which provided a direct comparison with the in vitro thermodynamic results …
Date:
July 13, 2011
Creator:
Sturzbecher-Hoehne, Manuel; Ng Pak Leung, Clara; Daleo, Anthony; Kullgren, Birgitta; Prigent, Anne-Laure; Shuh, David K. et al.
Object Type:
Article
System:
The UNT Digital Library
[Abilene City Council Minutes: 2011]
Ledger containing minutes of the City Council in Abilene, Texas documenting the group's discussions and activities from January 13, 2011 to December 15, 2011.
Date:
2011-01-13/2011-12-15
Creator:
Abilene (Tex.)
Object Type:
Book
System:
The Portal to Texas History
Abortion Services and Military Medical Facilities
The purpose of this report is to describe and discuss the provisions for providing abortion services to military personnel, their dependents, and other military health care beneficiaries at military medical facilities. The report describes the history of these provisions, with particular emphasis on legislative actions. Finally, this report discusses a number of proposals to modify the law, as well as other related legislative and administrative actions.
Date:
January 13, 2011
Creator:
Burrelli, David F.
Object Type:
Report
System:
The UNT Digital Library
ACCELERATED PILOT PROJECT FOR U CANYON DEMOLITION
At the U.S. Department of Energy's Hanford Site in southeast Washington State, CH2M HILL Plateau Remediation Company (CH2M HILL) is underway on a first-of-a-kind project with the decommissioning and demolition of the U Canyon. Following the U.S. Environmental Protection Agency's Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) Record of Decision for the final remediation of the canyon, CH2M HILL is combining old and new technology and techniques to prepare U Canyon for demolition. The selected remedial action called first for consolidating and grouting equipment currently in the canyon into lower levels of the plant (openings called cells), after which the cell galleries, hot pipe trench, ventilation tunnel, drains and other voids below the operating deck and crane-way deck levels will be filled with approximately 20,000 cubic yards of grout and the canyon roof and walls demolished down to the approximate level of the canyon deck. The remaining canyon structure will then be buried beneath an engineered barrier designed to control potential contaminant migration for a 500-year life. Methods and lessons learned from this project will set the stage for the future demolition of Hanford's four other canyon-type processing facilities.
Date:
January 13, 2011
Creator:
KL, KEHLER
Object Type:
Article
System:
The UNT Digital Library
Addressing the Recalcitrance of Cellulose Degradation through Cellulase Discovery, Nano-scale Elucidation of Molecular Mechanisms, and Kinetic Modeling
This research project was designed to play a vital role in the development of low cost sugars from cellulosic biomass and contributing to the national effort to displace fossil fuel usage in the USA transportation sector. The goal was to expand the portfolio of cell wall degrading enzymes through innovative research at the nano-scale level, prospecting for novel cellulases and building a kinetic framework for the development of more effective enzymatic conversion processes. More precisely, the goal was to elucidate the molecular mechanisms for some cellulases that are very familiar to members of our research team and to investigate what we hope are novel cellulases or new enzyme combinations from the world of plant pathogenic fungi and bacteria. Hydrolytic activities of various cellulases and cellulase cocktails were monitored at the nanoscale of cellulose fibrils and the microscale of pretreated cellulose particles, and we integrated this insight into a heterogeneous reaction framework. The over-riding approach for this research program was the application of innovative and cutting edge optical and high-throughput screening and analysis techniques for observing how cellulases hydrolyze real substrates.
Date:
June 13, 2011
Creator:
Walker, Larry P., Bergstrom, Gary; Corgie, Stephane; Craighead, Harold; Gibson, Donna & Wilson, David
Object Type:
Report
System:
The UNT Digital Library
Adopting a Long-Term Budget Focus: Challenges and Proposals
Report concerning the current federal budget process, including criticisms of that process. Information is provided regarding the current horizons used in the budget process, including already existing long-term components; the rationale for increased focus on long term budgeting; general challenges to long-term budgeting; and an analysis of general proposals that have been made to increase the focus of long-term budgeting in the budget process.
Date:
January 13, 2011
Creator:
Lynch, Megan Suzanne; Labonte, Marc & Levit, Mindy R.
Object Type:
Report
System:
The UNT Digital Library
Advancing Aviation Security
None
Date:
December 13, 2011
Creator:
Martz, H E; Roberson, G P; Azevedo, S G & Kallman, J S
Object Type:
Report
System:
The UNT Digital Library
Aerogel-Based Insulation for High-Temperature Industrial Processes
Under this program, Aspen Aerogels has developed an industrial insulation called Pyrogel HT, which is 4-5 times more thermally efficient than current non-aerogel technology. Derived from nanoporous silica aerogels, Pyrogel HT was specifically developed to address a high temperature capability gap not currently met with Aspen Aerogels{trademark} flagship product, Pyrogel XT. Pyrogel XT, which was originally developed on a separate DOE contract (DE-FG36-06GO16056), was primarily optimized for use in industrial steam processing systems, where application temperatures typically do not exceed 400 C. At the time, further improvements in thermal performance above 400 C could not be reasonably achieved for Pyrogel XT without significantly affecting other key material properties using the current technology. Cumulative sales of Pyrogel HT into domestic power plants should reach $125MM through 2030, eventually reaching about 10% of the total insulation market share in that space. Global energy savings would be expected to scale similarly. Over the same period, these sales would reduce domestic energy consumption by more than 65 TBtu. Upon branching out into all industrial processes in the 400 C-650 C regime, Pyrogel HT would reach annual sales levels of $150MM, with two-thirds of that being exported.
Date:
October 13, 2011
Creator:
Evans, Owen
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai, to address corruption within the Afghan government. The report also includes discussion of election fraud and corruption in Afghanistan.
Date:
July 13, 2011
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai, to address corruption within the Afghan government. The report also includes discussion of election fraud and corruption in Afghanistan.
Date:
January 13, 2011
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 135, No. 34, Ed. 1 Thursday, January 13, 2011
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
January 13, 2011
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 136, No. 21, Ed. 1 Thursday, October 13, 2011
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
October 13, 2011
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Algeria: Current Issues
This report examines the current state of Algeria, including the country's associations with terrorism, despite steady decreases of domestic terrorism; the lessening in power of the Algerian military; and growing oil revenues.
Date:
April 13, 2011
Creator:
Arieff, Alexis
Object Type:
Report
System:
The UNT Digital Library
Aligning National Approaches to Digital Preservation: Community Briefing on the ANADP 2011 Summit
Presentation for the 2011 Coalition of Networked Information (CNI) meeting discussing the Aligning National Approaches to Digital Preservation Summit, held in the capital of Estonia in May 2011.
Date:
December 13, 2011
Creator:
Halbert, Martin
Object Type:
Presentation
System:
The UNT Digital Library
The Allen American (Allen, Tex.), Vol. 42, No. 7, Ed. 1 Thursday, October 13, 2011
Weekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
October 13, 2011
Creator:
Mann, Rick
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times (Altus, Okla.), Vol. 112, No. 2, Ed. 1 Wednesday, April 13, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 13, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 24, Ed. 1 Friday, May 13, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 13, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 67, Ed. 1 Wednesday, July 13, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 13, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 111, Ed. 1 Tuesday, September 13, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 13, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 133, Ed. 1 Thursday, October 13, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 13, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 155, Ed. 1 Sunday, November 13, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 13, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 176, Ed. 1 Tuesday, December 13, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 13, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 288, Ed. 1 Thursday, January 13, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 13, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 310, Ed. 1 Sunday, February 13, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 13, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History