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Displaying 47001 - 47025 of 74167

Quantitative Proteomic Profiling of Prematurely Senescent ARPE-19 Cells

January 1, 2001
Author(s)
Illarion Turko, Wei-Li Liao
Senescence of retinal pigment epithelial (RPE) cells is a crucial event in the pathogenesis of age-related macular degeneration (AMD). ARPE-19 is a nontransformed human RPE cell line that displays many differentiated properties typical of RPE in vivo. The

Quantum Dynamics Simulation of the Ultrafast Photoionization of Li 2

January 1, 2001
Author(s)
J Pesce, Z Amitay, R Uberna, S R. Leone, M Ratner, R Kosloff
The Li 2 species offers an ideal system to compare experimental pump/probe ultrafast photoionization with quantum dynamical calculations on well characterized potential energy surfaces. The present work utilizes the best available potential energy surfaces

Quasicrystal Element Correlations From X-Ray Standing Waves

January 1, 2001
Author(s)
Terrence J. Jach
X-ray standing waves associated with dynamical diffraction in perfect crystals are also present during diffraction in high-quality quasicrystals. The fluorescence observed from quasicrystals while scanning the rocking curve of a particular Bragg reflection

Recent Advances in Ac-dc Transfer Measurements Using Thin-Film Thermal Converters

January 1, 2001
Author(s)
Thomas F. Wunsch, Joseph R. Kinard Jr., Ronald R. Manginell, Thomas E. Lipe Jr., O. P. Solomon, K. C. Jungling
New standards for ac current and voltage measurements, thin-film multijunction thermal converters (MJTCs), have been fabricated using thin-film and micro-electro-mechanical systems (MEMS) technology. Improved sensitivity and accuracy over single-junction

Recent Results in Trapped-Ion Quantum Computing at NIST,

January 1, 2001
Author(s)
D Kielpinski, A Ben-kish, Joseph W. Britton, V Meyer, M A. Rowe, C A. Sackett, Wayne M. Itano, C Monroe, David J. Wineland
We review recent experiments on entanglement, Bell's inequality, and decoherence-free subspaces in a quantum register of trapped 9Be+ ions.

Regenerative Stablity Analysis of Highly Interrupted Machining

January 1, 2001
Author(s)
Matthew A. Davies, Jon R. Pratt, Brian S. Dutterer, Timothy J. Burns
We discuss theoretical and experimental work that supports the use of very low radia immersion in the high-speed milling of difficult-to-machine materials, such as titanium alloys. Our theory is based upon modeling the cutting process by a kicked harmonic
Displaying 47001 - 47025 of 74167
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