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Now showing items 1231-1240 of 1383
Total pancreatectomy: indications, operative technique, and results
(2010)
The aims of this study were to identify the indications to perform a total pancreatectomy and to evaluate the outcome and quality of life of the patient who underwent this operation. A retrospective analysis of a prospective ...
Effects of Electronic Mixing in Ruthenium(II) Complexes with Two Equivalent Acceptor Ligands. Spectroscopic, Electrochemical, and Computational Studies
(2010)
The lowest energy metal to ligand charge transfer (MLCT) absorption bands found in ambient solutions of [Ru(NH3)4(Y-py)2]2+ and [Ru(L)2(bpy)2]+ complexes (Y-py a pyridine ligand and (L)n a substituted acetonylacetonate, ...
Computational Modeling of the Triplet Metal-to-Ligand Charge-Transfer Excited-State Structures of Mono-Bipyridine–Ruthenium(II) Complexes and Comparisons to their 77 K Emission Band Shapes
(2013)
A computational approach for calculating the distortions in the lowest energy triplet metal to ligand charge-transfer (3MLCT = T0) excited states of ruthenium(II)–bipyridine (Ru–bpy) complexes is used to account for the ...
Limitations to Use of Infrared Spectroscopy for Rapid Determination of Carbon-Nitrogen and Wood Density for Tropical Species
(University of Nairobi, 2013)
Infrared (IR) spectroscopy was used as a rapid and non-destructive method to determine, carbon (C), nitrogen (N) and tree wood density.A total of 82 sample cores were scanned in the reflectance mode from 4000 to 400 cm-1 ...
Feasibility for direct rapid energy dispersive X-ray fluorescence (EDXRF) and scattering analysis of complex matrix liquids by partial least squares
(University of Nairobi, 2012-11)
The greatest challenge to material characterization by XRF technique is encountered in direct trace analysis of complex matrices. We exploited partial least squares (PLS) in conjunction with energy dispersive X-ray ...
MAXWELL SYSTEM WITH NONLINEARLY FORCED POLARIZATION IN COMPLEX MATERIALS WITH UNCERTAINTY
(University of Nairobi., 2011)
We consider the propagation of high frequency electromagnetic pulses in complex materials with nonlinear forced polarization. The physical problem is modeled by Maxwell’s equations in variational form, and well-posedness ...
Anthraquinones of the roots of Pentas micrantha
(2013)
Pentas micrantha is used in the East African indigenous medicine to treat malaria. In the first investigation of this plant, the crude methanol root extract showed moderate antiplasmodial activity against the W2- (3.37 ...