TO
Filters: Collection: "ir_uspace"
| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 76 |
 | Beckerle, Mary C.; Clark, Kathleen A. | Integrin effector PINCH regulates JNK activity and epithelial migration in concert with Ras suppressor 1 | Cell adhesion and migration are dynamic pro- cesses requiring the coordinated action of multiple signaling pathways, but the mechanisms underlying signal integration have remained elusive. Drosophila embryonic dorsal closure (DC) requires both integrin function and c-Jun amino-terminal kinase (JNK) ... | Epithelial sheets; PINCH | 2004 |
| 77 |
 | Hansen, Charles D.; Shirley, Peter S. | Interactive caustics using local precomputed irradiance | Bright patterns of light focused via reflective or refractive objects onto matte surfaces are called "caustics". We present a method for rendering dynamic scenes with moving caustics at interactive rates. This technique requires some simplifying assumptions about caustic behavior allowing us to co... | Illumination | 2004 |
| 78 |
 | Riloff, Ellen M. | Introduction to the Sundance and AutoSlog systems | This document describes the Sundance natural language processing system that has been developed at the University of Utah, as well as the AutoSlog and AutoSlog-TS extraction pattern learners that have been implemented on top of Sundance. Sundance is a shallow parser that also includes clause handlin... | Autoslog system; Sundance system; Extraction pattern learners; Learning algorithms | 2004 |
| 79 |
 | Krensky, Beth | Jacob's Ladder | Form: sculpture; Medium: bone, bronze; Dimensions: 36 x 3-1/2 x 4-1/2" | 2004 | |
| 80 |
 | Pounder, Diana G.; Bergerson, Amy A. | Job desirability of the university professorate in the field of educational leadership | This survey research study uses job choice theory to assess recent educational leadership doctoral graduates' perceptions of the desirability of the educational administration professorate. Results reveal attractive and unattractive aspects of professorial work as well as those job attributes that ... | Educational administration; Professorial work | 2004 |
| 81 |
 | Kestle, John R. W.; Townsend, Jeannette J.; Brockmeyer, Douglas Lee | Juvenile pilocytic astrocytoma of the brainstem in children | Object. In reports involving the operative treatment of brainstem tumors, multiple histological types are often grouped together. To determine prognosis after resection, histology-specific data may be helpful. Methods. Twenty-eight patients with juvenile pilocytic astrocytoma (JPA) of the brainste... | Juvenile pilocytic astrocytoma; JPA; Brainstem tumors; Resection | 2004 |
| 82 |
 | Beckerle, Mary C. | Kindler syndrome protein is regulated by Transforming Growth Factor-β and involved in integrin-mediated adhesion | Transforming growth factor-β1 (TGF-β1) contributes to tumor invasion and cancer progression by increasing the motility of tumor cells. To identify genes involved in TGF-β-mediated cell migration, the transcriptional profiles of human mammary epithelial cells (HMEC) treated with TGF-β were compar... | Kindler syndrome; Kindlerin; Talin; Focal adhesions; FERM domain | 2004 |
| 83 |
 | Sarofim, Adel F.; Truong, Thanh | Kinetics of hydrogen abstraction reactions from polycyclic aromatic hydrocarbons by H atoms | An application of the Reaction Class Transition State Theory/Linear Energy Relationship (RC-TST/LER) is presented for the evaluation of the thermal rate constants of hydrogen abstraction reactions by H atoms from Polycyclic Aromatic Hydrocarbons (PAH). Two classes of reactions have been considered, ... | Reaction Class Transition State Theory; Linear Energy Relationship; Hydrogen abstraction reactions | 2004 |
| 84 |
 | DeTar, Carleton | Lattice quantum chromodynamics comes of age | The strength of the electron-photon interaction is characterized by the fine-structure constant α ≈ 1/137.036. Because α is small, quantum electrodynamics (QED), the theory of interacting electrons and photons, can be solved to very good approximation with the traditional technology of pencil an... | Quarks; Gluons; Mesons; CKM matrix | 2004 |
| 85 |
 | Baehr, Wolfgang | Lecithin-retinol acyltransferase is essential for accumulation of all-trans-retinyl esters in the eye and in the liver | Lecithin-retinol acyltransferase (LRAT), an enzyme present mainly in the retinal pigmented epithelial cells and liver, converts all-trans-retinol into all-trans-retinyl esters. In the retinal pigmented epithelium, LRAT plays a key role in the retinoid cycle, a two-cell recycling system that replenis... | Antibodies, Monoclonal; Chromatography, High Pressure Liquid; Microscopy, Fluorescence | 2004 |
| 86 |
 | Francis, Leslie | Legitimate expectations, unreasonable beliefs, and legally mandated coverage of experimental therapy | Photographs of patients seeking contributions for expensive bone marrow transplants are an everyday image on supermarket checkout stands. Benefit concerts, newspaper stories, and community fundraisers pitch in to help patients who cannot otherwise afford expensive medical interventions. Patients wit... | Experimental therapy; Mandated coverage; Off-label drug uses | 2004 |
| 87 |
 | Landesman, Margaret M. | Libraries investing in the future first - some practical suggestions | Muddling through is what we mostly do most of the time. It is a reasonable strategy for bridging the gap between present resources and future expectations--providing expectations are in a reliably upward direction. | 2004 | |
| 88 |
 | Saam, Brian; Laicher, Gernot | Liquid hyperpolarized 129Xe produced by phase exchange in a convection cell | We present a method for the production of liquid hyperpolarized 129Xe that employs spin-exchange optical pumping in the gas phase and subsequent phase exchange with a column of xenon liquid. A convection loop inside the sealed glass cell allows efficient transfer of magnetization between the gas an... | Liquid hyperpolarized 129Xe; Phase exchange; Spin-exchange optical pumping; SEOP; NMR; Spin polarization | 2004 |
| 89 |
 | Silverman, Randall H. | Litany of 'terrible, no good, very bad' things that can happen after the disaster | On average, 464 disasters occur each year in all parts of the globe. Some are more catastrophic than others; research reveals that excluding drought, famine and war, approximately 197 take place in Asia, 111 in the Americas, 77 in Europe, 61 in Africa, and 18 in Oceania. As a result, 50,000 people a... | 2004 | |
| 90 |
 | Miller, Joel Steven; Epstein, Arthur J. | Local structural order in the disordered vanadium tetracyanoethylene room-temperature molecule-based magnet | We determined the vanadium oxidation state and local coordination environment in disordered samples of magnetic V[TCNE]x(x=2) prepared by chemical vapor deposition (CVD). Systematic studies of the x-ray absorption near-edge structure (XANES) in this material and reference compounds show that V ions ... | Magnetic; Solvent; Structure | 2004 |
| 91 |
 | Normann, Richard A.; Branner, Almut | Long-term stimulation and recording with a penetrating microelectrode array in cat sciatic nerve | We studied the consequences of long-term implantation of a penetrating microelectrode array in peripheral nerve over the time course of 4-6 mo. Electrode arrays without lead wires were implanted to test the ability of different containment systems to protect the array and nerve during contractions o... | Cats; Microelectrodes; Prosthesis Implantation; Sciatic Nerve | 2004 |
| 92 |
 | Lupton, John Mark | Low-threshold polymeric distributed feedback lasers with metallic contacts | Optical losses in waveguides comprising metallic contacts are thought to be a major hurdle to the realization of organic laser diodes. We demonstrate here that careful tuning of the waveguide mode in flexible distributed feedback lasers can allow lasing action to occur in organic thin films in the p... | Metallic contacts; Organic laser diodes; Waveguides; Feedback lasers | 2004 |
| 93 |
 | Bernstein, Paul S.; Gellermann, Werner | Macular pigment Raman detector for clinical applications | Clinical studies of carotenoid macular pigments (MP) have been limited by the lack of noninvasive, objective instruments. We introduce a novel noninvasive optical instrument, an MP Raman detector, for assessment of the carotenoid status of the human retina in vivo. The instrument uses resonant excit... | Diagnosis, Computer-Assisted; Equipment Failure Analysis; Sensitivity and Specificity | 2004 |
| 94 |
 | Kestle, John R. W.; MacDonald, Joel D.; Schmidt, Richard H. | Marked reduction of cerebral vasospasm with lumbar drainage of cerebrospinal fluid after subarachnoid hemorrhage | Object. Cerebral vasospasm after subarachnoid hemorrhage (SAH) continues to be a major source of morbidity in patients despite significant clinical and basic science research. Efforts to prevent vasospasm by removing spasmogens from the subarachnoid space have produced mixed results. The authors hyp... | Cerebral vasospasm; Lumbar drainage | 2004 |
| 95 |
 | Mathews, V. John; Clark, Edward B. | Mean frequency estimation of narrowband signals | Abstract-This letter shows that the single frequency approximation for a narrowband lowpass signal embedded in white noise using the Pisarenko harmonic decomposition algorithm is approximately the power-weighted mean frequency of the signal. Experimental results indicate that this method is superio... | 2004 | |
| 96 |
 | Armentrout, Peter B. | Mechanism of proton exchange: guided ion beam studies of the reactions, H(H2O)n+ (n=1-4) + D2O and D(D 2O)n+ (n=1-4) + H2O | Reactions of protonated water clusters, H(H2O)n+ (n=1-4) with D2O and their "mirror" reactions, D(D2O)n+ (n=1-4) with H2O, are are studied using guided-ion beam mass spectrometry. Absolute reaction cross sections are determined as a function of collision energy from thermal energy to over 10 eV. | Collision-induced dissociation; Proton exchange; Protonated water clusters; Exothermic reactions; Deuterium oxide | 2004 |
| 97 |
 | Couldwell, William T. | Medical and surgical management of microprolactinoma | A recent report by Colao et al. [1] indicates that a significant proportion of patients harboring prolactinomas treated with cabergoline will have persistence of remission of hyperprolactinemia following withdrawal of the drug. The prolactin and tumor control rates in the study suggest that medical ... | Microprolactinoma; Prolactinoma; Cabergolene | 2004 |
| 98 |
 | Parker, Steven G. | Memory-savvy distributed interactive ray tracing | Interactive ray tracing in a cluster environment requires paying close attention to the constraints of a loosely coupled distributed system. To render large scenes interactively, memory limits and network latency must be addressed efficiently. In this paper, we improve previous systems by moving to ... | 2004 | |
| 99 |
 | Armentrout, Peter B. | Methane activation by nickel cluster cations, Nin+ (n=2-16): reaction mechanisms and thermochemistry of cluster-CHx (x=0-3) complexes | The kinetic energy dependences of the reactions of Nin+ (n=2-16) with CD4 are studied in a guided ion beam tandem mass spectrometer over the energy range of 0-10 eV. The main products are hydride formation NinD1, dehydrogenation to form NinCD2 1 , and double dehydrogenation yielding NinC1. | Nickel ions; Metal clusters; Deuterated methane; Collision-induced dissociation; Endothermic reactions; Bond energies; Dehydrogenation | 2004 |
| 100 |
 | Brown, Barbara B. | Methods for preparing dry, partially articulated skeletons of osteichthyans, with notes on making ridewood dissections of the cranial skeleton | We describe methods for preparing dry skeletons of virtually any osteichthyan species with a well-ossified skeleton, including very large specimens (e.g., > 1 m Megalops atlanticus). Our approach differs from those conventionally used to prepare skeletons of tetrapods in that (1) fairly complete di... | Skeleton preparation; Study specimens; Partially articulated skeletons; Osteichthyans; Ridewood dissections; Cranial skeleton | 2004 |