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Articles 1651 - 1680 of 6604
Full-Text Articles in Entire DC Network
Pyridoxamine, An Inhibitor Of Advanced Glycation Reactions, Also Inhibits Advanced Lipoxidation Reactions: Mechanism Of Action Of Pyridoxamine, Joelle M. Onorato, Alicia J. Jenkins, Suzanne R. Thorpe, John W. Baynes
Pyridoxamine, An Inhibitor Of Advanced Glycation Reactions, Also Inhibits Advanced Lipoxidation Reactions: Mechanism Of Action Of Pyridoxamine, Joelle M. Onorato, Alicia J. Jenkins, Suzanne R. Thorpe, John W. Baynes
Faculty Publications
Maillard or browning reactions lead to formation of advanced glycation end products (AGEs) on protein and contribute to the increase in chemical modification of proteins during aging and in diabetes. AGE inhibitors such as aminoguanidine and pyridoxamine (PM) have proven effective in animal model and clinical studies as inhibitors of AGE formation and development of diabetic complications. We report here that PM also inhibits the chemical modification of proteins during lipid peroxidation (lipoxidation) reactions in vitro, and we show that it traps reactive intermediates formed during lipid peroxidation. In reactions of arachidonate with the model protein RNase, PM prevented modification …
‘Problem Of The Week' Anything But A Hassle, Amy Lorton
‘Problem Of The Week' Anything But A Hassle, Amy Lorton
University of Mississippi News
UNIVERSITY, Miss. – Since he was a child, Dr. David Rock has been known for his crazy ideas. "I have hundreds of them," he likes to say. But all it took was one notion to lead him not only to his current job but also to excite kids from around the world about his favorite subject -- math.
Western News, July 13, 2000, Western Michigan University
Western News, July 13, 2000, Western Michigan University
Western News (1972-2018)
Story highlights: Pedestrian mobility focus of new blind rehabilitation research, Grants top $39 million as fiscal year nears end, Voices from WMU writing project on radio nationwide.
R.I.T. News & Events - July 13 2000, University News Services, Rochester Institute Of Technology
R.I.T. News & Events - July 13 2000, University News Services, Rochester Institute Of Technology
University Publications
No abstract provided.
Examples, Counterexamples, And Enumeration Results For Foldings And Unfoldings Between Polygons And Polytopes, Erik D. Demaine, Martin L. Demaine, Anna Lubiw, Joseph O'Rourke
Examples, Counterexamples, And Enumeration Results For Foldings And Unfoldings Between Polygons And Polytopes, Erik D. Demaine, Martin L. Demaine, Anna Lubiw, Joseph O'Rourke
Computer Science: Faculty Publications
We investigate how to make the surface of a convex polyhedron (a polytope) by folding up a polygon and gluing its perimeter shut, and the reverse process of cutting open a polytope and unfolding it to a polygon. We explore basic enumeration questions in both directions: Given a polygon, how many foldings are there? Given a polytope, how many unfoldings are there to simple polygons? Throughout we give special attention to convex polygons, and to regular polygons. We show that every convex polygon folds to an infinite number of distinct polytopes, but that their number of combinatorially distinct gluings is …
Freezing Field Dependance Of The Exchange Bias In Uniaxial Fef2-Copt Heterosystems With Perpendicular Anisotropy, Christian Binek
Freezing Field Dependance Of The Exchange Bias In Uniaxial Fef2-Copt Heterosystems With Perpendicular Anisotropy, Christian Binek
Christian Binek Publications
The exchange bias effect is measured for the first time in FeF2–CoPt heterosystems with perpendicular anisotropy. The exchange previous field exhibits a strong dependence on the axial previous freezing field. This behavior is explained in terms of the microscopic spin structure at the interface, which is established on cooling to below TN. We calculate the dependence of the spin structure on the previous freezing field within the framework of an Ising model. It takes into account the Zeeman energy as well as an antiferromagnetic exchange coupling between the adjacent layers at the interface.
Washington University Record, July 13, 2000
Washington University Record, July 13, 2000
Washington University Record
No abstract provided.
Ole Miss ‘Problem Of The Week' Anything But A Hassle, Amy Lorton
Ole Miss ‘Problem Of The Week' Anything But A Hassle, Amy Lorton
University of Mississippi News
UNIVERSITY, Miss. --Since he was a child, Dr. David Rock has been known for his crazy ideas. "I have hundreds of them," he likes to say. But all it took was one notion to lead him not only to his current job but also to excite kids from around the world about his favorite subject -- math.
Student Assessment As A Political Construction: The Case Of Uruguay, Luis Benveniste
Student Assessment As A Political Construction: The Case Of Uruguay, Luis Benveniste
Education Policy Analysis Archives (EPAA)
This article reveals the interplay between assessment policies in Uruguay and the nature of State-societal relations. The central State has been historically a staunch defender of public education and has championed the cause of equalizing opportunities for the most disadvantaged sectors of society. The national evaluation system of student performance has been constructed as an expression of this tradition. ...
Education Policy Analysis Archives 08/32 , Arizona State University, University Of South Florida
Education Policy Analysis Archives 08/32 , Arizona State University, University Of South Florida
College of Education Publications
Student assessment as a political construction : the case of Uruguay / Luis Benveniste.
Openline Newsletter, Vol. 25, No. 1, July 11, 2000, Illinois State University, Civil Service Council
Openline Newsletter, Vol. 25, No. 1, July 11, 2000, Illinois State University, Civil Service Council
OpenLine Newsletter
Monthly newsletter of the Civil Service Council.
The Warps Survey - Iv. The X-Ray Luminosity-Temperature Relation Of High-Redshift Galaxy Clusters, B. W. Fairley, L. R. Jones, C. Scharf, H. Ebeling, E. Perlman, D. Horner, G. Wegner, M. Malkan
The Warps Survey - Iv. The X-Ray Luminosity-Temperature Relation Of High-Redshift Galaxy Clusters, B. W. Fairley, L. R. Jones, C. Scharf, H. Ebeling, E. Perlman, D. Horner, G. Wegner, M. Malkan
Dartmouth Scholarship
We present a measurement of the cluster X-ray luminosity-temperature (L-T) relation out to high redshift (z∼0.8). Combined ROSAT PSPC spectra of 91 galaxy clusters detected in the Wide Angle ROSAT Pointed Survey (WARPS) are simultaneously fitted in redshift and luminosity bins. The resulting temperature and luminosity measurements of these bins, which occupy a region of the high-redshift L-T relation not previously sampled, are compared with existing measurements at low redshift in order to constrain the evolution of the L-T relation. We find the best fit to low-redshift (z<0.2) cluster data, at T …
The Murray Ledger And Times, July 11, 2000, The Murray Ledger And Times
The Murray Ledger And Times, July 11, 2000, The Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
Comment On “Direct Observation Of Stretched-Exponential Relaxation In Low-Temperature Lennard-Jones Systems Using The Cage Correlation Function”, Ulrich Zürcher, T. Keyes
Comment On “Direct Observation Of Stretched-Exponential Relaxation In Low-Temperature Lennard-Jones Systems Using The Cage Correlation Function”, Ulrich Zürcher, T. Keyes
Physics Faculty Publications
A Comment on the Letter by Eran Rabani, J. Daniel Gezelter, and D. J. Berne, Phys. Rev. Lett. 82, 3649 (1999). The authors of the Letter offer a Reply.
07/10/2000 - Eiu Incoming Freshmen Receive Awards, University Marketing And Communications
07/10/2000 - Eiu Incoming Freshmen Receive Awards, University Marketing And Communications
2000
No abstract provided.
Daily Eastern News: July 10, 2000, Eastern Illinois University
Daily Eastern News: July 10, 2000, Eastern Illinois University
July
No abstract provided.
July 10, 2000 Reporter, University Of Alabama At Birmingham
July 10, 2000 Reporter, University Of Alabama At Birmingham
eReporter (campus newsletter)
No abstract provided.
Orbital Period Of The Low‐Inclination Sw Sextantis Star V442 Ophiuchi, D. W. Hoard, John R. Thorstensen, Paula Szkody
Orbital Period Of The Low‐Inclination Sw Sextantis Star V442 Ophiuchi, D. W. Hoard, John R. Thorstensen, Paula Szkody
Dartmouth Scholarship
V442 Ophiuchi is a low-inclination (noneclipsing) nova-like cataclysmic variable. We have obtained medium resolution (1-3.5 Å), time-resolved optical spectroscopy of this interacting binary star spanning an interval of 4 yr, from 1995 August to 1999 June. Using an Hα radial velocity curve constructed from our combined spectroscopic data sets, we have determined that Porb = 0.1243 days for V442 Oph, breaking the long-standing 1 day alias ambiguity in its orbital period. V442 Oph shares many of the characteristics of the group of cataclysmic variables known as the SW Sextantis stars. Its Doppler tomograms and orbital phase-dependent emission-line behavior, including …
Redshift-Distance Survey Of Early-Type Galaxies: Dipole Of The Velocity Field, L. N. Da Costa, M. Bernardi, M. V. Alonso, G. Wegner
Redshift-Distance Survey Of Early-Type Galaxies: Dipole Of The Velocity Field, L. N. Da Costa, M. Bernardi, M. V. Alonso, G. Wegner
Dartmouth Scholarship
We use the recently completed redshift-distance survey of nearby early-type galaxies (ENEAR) to measure the dipole component of the peculiar velocity field to a depth of cz ~ 6000 km s-1. The sample consists of 1145 galaxies brighter than mB = 14.5 and with cz ≤ 7000 km s-1, uniformly distributed over the whole sky, and 129 fainter cluster galaxies within the same volume. Most of the Dn-σ distances were obtained from new spectroscopic and photometric observations conducted by this project, ensuring the homogeneity of the data over the whole sky. These 1274 galaxies are objectively assigned …
Plasma Oscillations And Expansion Of An Ultracold Neutral Plasma, Scott D. Bergeson, S. Kulin, T. C. Killian, S. L. Rolston
Plasma Oscillations And Expansion Of An Ultracold Neutral Plasma, Scott D. Bergeson, S. Kulin, T. C. Killian, S. L. Rolston
Faculty Publications
We report the observation of plasma oscillations in an ultracold neutral plasma. With this collective mode we probe the electron density distribution and study the expansion of the plasma as a function of time. For classical plasma conditions, i.e., weak Coulomb coupling, the expansion is dominated by the pressure of the electron gas and is described by a hydrodynamic model. Discrepancies between the model and observations at low temperature and high density may be due to strong coupling of the electrons.
Deafdigest Gold: Vol. 4, No. 49 July 9, 2000, Barry Strassler
Deafdigest Gold: Vol. 4, No. 49 July 9, 2000, Barry Strassler
DeafDigest Gold 2000
No abstract provided.
Kinetic Energy Release In Electron-Induced Decay Reactions Of Molecular Ions: C3h8+ And C3h7+, S. Matt, Olof E. Echt, A. Stamatovic, T. D. Mark
Kinetic Energy Release In Electron-Induced Decay Reactions Of Molecular Ions: C3h8+ And C3h7+, S. Matt, Olof E. Echt, A. Stamatovic, T. D. Mark
Physics & Astronomy
We have measured the kinetic energy release (KER) distributions for electron-induced dissociation of mass-selected molecular parent and fragment ions of propane. They are compared with distributions determined for spontaneous (metastable) dissociation. The average KER for induced dissociation of C3H8+ into C3H7+ is 13.2 +/- 1.2 meV, about 42% larger than for the spontaneous reaction. This large difference is attributed to the dramatically reduced time at which the induced reaction can be sampled. In contrast, the KER for dissociation of C3H7+ into C3H5+, which is characterized by a large reverse activation energy, is hardly affected by the experimental time scale. (C) …
Static Quark Potential In Three Flavor Qcd, James E. Hetrick, C. Bernard
Static Quark Potential In Three Flavor Qcd, James E. Hetrick, C. Bernard
All Faculty Articles - School of Engineering and Computer Science
We study the effects of dynamical quarks on the static quark potential at distances shorter than those where string breaking is expected. Quenched calculations and calculations with three flavors of dynamical quarks are done on sets of lattices with the lattice spacings matched within about one percent. The effect of the sea quarks on the shape of the potential is clearly visible. We investigate the consequences of these effects in a very crude model, namely solving Schrödinger’s equation in the resulting potential.
Interaction Of Mitochondrial Elongation Factor Tu With Aminoacyl-Trna And Elongation Factor Ts, Ying Chun Cai, James M. Bullard, Nancy L. Thompson, Linda L. Spremulli
Interaction Of Mitochondrial Elongation Factor Tu With Aminoacyl-Trna And Elongation Factor Ts, Ying Chun Cai, James M. Bullard, Nancy L. Thompson, Linda L. Spremulli
School of Integrative Biological & Chemical Sciences (Formerly Dept. of Chemistry)
Elongation factor (EF) Tu promotes the binding of aminoacyl-tRNA (aa-tRNA) to the acceptor site of the ribosome. This process requires the formation of a ternary complex (EF-Tu·GTP·aa-tRNA). EF-Tu is released from the ribosome as an EF-Tu·GDP complex. Exchange of GDP for GTP is carried out through the formation of a complex with EF-Ts (EF-Tu·Ts). Mammalian mitochondrial EF-Tu (EF-Tumt) differs from the corresponding prokaryotic factors in having a much lower affinity for guanine nucleotides. To further understand the EF-Tumt subcycle, the dissociation constants for the release of aa-tRNA from the ternary complex (K tRNA) and for …
Jellema, Mary Oral History Interview: Retired Faculty And Administrators Of Hope College, Melissa Labarge
Jellema, Mary Oral History Interview: Retired Faculty And Administrators Of Hope College, Melissa Labarge
Retired Faculty and Administrators of Hope College
No abstract provided.
Echo Online, July 5, 2000, Eastern Michigan University
Echo Online, July 5, 2000, Eastern Michigan University
EMU Student Newspaper: The Normal News & The Eastern Echo
No abstract provided.
The Eastern Echo, July 5, 2000, Eastern Michigan University
The Eastern Echo, July 5, 2000, Eastern Michigan University
EMU Student Newspaper: The Normal News & The Eastern Echo
No abstract provided.
July 5, 2000, The Daily Mississippian
July 5, 2000, The Daily Mississippian
Daily Mississippian (all digitized issues)
No abstract provided.
Iron Acquisition Systems And The Effect Of Iron On Virulence, Amy E. Noles
Iron Acquisition Systems And The Effect Of Iron On Virulence, Amy E. Noles
Honors Capstones
No abstract provided.
July 3, 2000 Reporter, University Of Alabama At Birmingham
July 3, 2000 Reporter, University Of Alabama At Birmingham
eReporter (campus newsletter)
No abstract provided.