Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Michael J. Annen"'
Publikováno v:
World Journal of Nuclear Medicine
World Journal of Nuclear Medicine, Vol 16, Iss 2, Pp 160-162 (2017)
World Journal of Nuclear Medicine, Vol 16, Iss 2, Pp 160-162 (2017)
A “cold” defect or an area of decreased radiotracer deposition is the less common appearance of acute hematogenous osteomyelitis (AHO) on a Tc99 m-methylene disphosphonate (Tc99 m-MDP) bone scan. Group A beta-hemolytic Streptococcus (GABHS) is a
Autor:
Michael J Annen, Aaron A. Cho
Publikováno v:
Operative Techniques in Otolaryngology-Head and Neck Surgery. 25:133-142
Neurointerventional radiology plays a critical role in the endovascular evaluation and treatment of complex hypervascular skull base tumors. In this article, we review hypervascular skull base tumors, the vascular anatomy, and neurointerventional tec
Autor:
Colleen M. Griffith, John Edward Morris, Michael J. Robichaud, Michael C. Flickinger, Michael J. Annen, Alon V. McCormick
Publikováno v:
Journal of Chromatography A. 776:179-195
Porous zirconia particles of specific gravity approximately 3.2 g/ml, mean particle sizes of approximately 50 microns, and terminal settling velocity of approximately 2.8 mm/s in water, were synthesized using an oil emulsion method from 1000 A colloi
Autor:
Michael J. Annen, Alon V. McCormick, C. Francisco Lorenzano-Porras, David H. Reeder, Peter W. Carr
Publikováno v:
Industrial & Engineering Chemistry Research. 34:2719-2727
The effects of sintering temperature and duration on the pore structure of chromatographic zirconia particles produced by the controlled polymerization-induced aggregation of 1,000 {angstrom} colloids are studied with an eye toward optimally strength
Autor:
Peter W. Carr, Alon V. McCormick, Michael C. Flickinger, C. Francisco Lorenzano-Porras, Michael J. Annen
Publikováno v:
Journal of Colloid and Interface Science. 170:299-307
The pore structure of column-packing materials plays a significant role in high-performance liquid chromatography (HPLC) and will be particularly important for the separation of macromolecules. In this study, spherical, porous zirconia particles 5-10
Publikováno v:
Journal of Materials Science. 29:6123-6130
Polymerization-induced colloid aggregation is used to synthesize spheres of narrow size distribution which are porous aggregates of ZrO2 colloids. Variation of the reaction pH has been investigated to determine the optimum rate of polymerization of t
Publikováno v:
Journal of Colloid and Interface Science. 163:464-473
Porous, spherical zirconia particles with a narrow particle size distribution, which are useful as chromatographic packing materials for high performance liquid chromatography (HPLC), were synthesized by polymerization-induced colloid aggregation (PI
Autor:
Mark E. Davis, Michael J. Annen
Publikováno v:
Microporous Materials. 1:57-65
Raman and 29Si MAS NMR spectroscopies are evaluated for the identification of three-membered rings (3MR) in framework oxide materials. Raman and 29Si MAS NMR spectra from the 3MR-containing materials euclase, phenakite, clinohedrite, willemite, lovda
Publikováno v:
ChemInform. 23
Zeolite Phi is synthesized by two methods reported previously. Results from X-ray powder diffraction and scanning electron microscopy suggest that the materials are physical mixtures of chabazite and offretite; one sample has a small amount of philli
Publikováno v:
Zeolites. 11:98-102
Synthetic, cubic faujasite, and the hexagonal polytype of faujasite were synthesized according to the procedures of Delprato et al. (Zeolites for the Nineties-Recent Research Reports, 8th International Zeolite Conference, Amsterdam, 1989 ). 29Si, 27A