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Displaying 1351 - 1375 of 1415

Cross-Ring Fragmentation Patterns in the Tandem Mass Spectra of Underivatized Sialylated Oligosaccharides and Their Special Suitability for Spectrum Library Searching

December 18, 2018
Author(s)
M. L. De Leoz, Yamil Simon, Robert J. Woods, Stephen E. Stein
Reference spectral library searching, while widely used to identify compounds in other areas of mass spectrometry, is not commonly used in glycomics. Building on a study by Cotter and coworkers on analysis of sialylated oligosaccharides using atmospheric

A Shock Tube Study of H Addition to Cyclopentene

February 1, 2018
Author(s)
Jeffrey A. Manion, Iftikhar A. Awan
… a reference reaction, the displacement by H of methyl from 1,3,5-trimethylbenzene (135TMB). At (863 to 1167) K and (160 … → m-xylene+methyl) = 6.76 x 1013exp(-3255 K/T ) cm3mol-1s-1, we obtain: k(H + cyclopentene → ethylene + allyl) = 4.79 x 1013 exp(-1435 K/T) cm3mol-1s-1 Using experimental branching ratios in the decomposition of …

AN EXAMINATION OF METAL DEPOSITION DERIVED FROM AEROSPACE-RELATED ACTIVITY IN SEVERAL ENVIRONMENTAL MATRICES COLLECTED FROM WATERS SURROUNDING THE KENNEDY SPACE CENTER (KSC), FLORIDA

April 8, 2014
Author(s)
John Bowden, Theresa M. Cantu, Douglas M. Scheidt, Russell H. Lowers, Brian A. Nocito, Vaneica Y. Young, Louis J. Guillette
… (ICP-AES). The primary study (part I) consisted of 1) an examination of temporal changes in baseline metal … of a one-time measurement of metals in surface water from 14 baseline sites and a pre- and post-shuttle launch …

Imaging Cells in Polymer Scaffolds by X-Ray Microcomputed Tomography

May 11, 2011
Author(s)
Shauna M. Dorsey, Sheng Lin-Gibson, Carl Simon Jr.
… method for examining cells in scaffolds is microscopy [1]. Sectioning followed by histology can image the scaffold … but is destructive, tedious and only semi-quantitative [1]. Fluorescence microscopy can be quantitative when … and measured at different time points (1 d, 7 d and 14 d). Poly(-caprolactone) (PCL) was chosen as the material …

Steady-state and transient photoconductivity in c-axis GaN nanowires grown by nitrogen-plasma-assisted molecular beam epitaxy

February 12, 2010
Author(s)
Norman A. Sanford, Paul T. Blanchard, Kristine A. Bertness, Lorelle Mansfield, John B. Schlager, Aric W. Sanders, Alexana Roshko, Beau Burton, Steven George
… of (3-6)X10 16 cm -3 for one growth run, roughly 5 X 10 14 -1 X 10 15 cm -3 for the second, and drift mobility in the … gaps of {approximately equal} 3-5 υm. When biased at 1 V bias and illuminated at 360 nm (3.6 mW/cm 2 ) the thinner …

A Comparison of Predicted to Measured Photovoltaic Module Performance

March 1, 2009
Author(s)
Arthur H. Fanney, Brian P. Dougherty, Mark W. Davis
… predicted the annual energy production by approximately 14% for the tandem-junction amorphous panels. Using measured … and predicted annual energy predictions varied between 1% and 8%, again with the exception of the tandem-junction …

Development and Evaluation of a Candidate Reference Measurement Procedure for the Determination of Progesterone in Human Serum Using Isotope-Dilution Liquid Chromatography-Tandem Mass Spectrometry

September 1, 2006
Author(s)
Susan S. Tai, Bei Xu, Michael J. Welch
… The recovery of the added progesterone ranged from 100.1% to 100.9%. This method was applied to the determination of … within-set coefficients of variations (CVs) ranging from 0.1% to 1.4%, and between-set CVs ranging from 0.3% to 0.5%. …

Strong Calcium Phosphate Cement-Chitosan-Mesh Construct Containing Cell-Encapsulating Hydrogel Beads for Bone Tissue Engineering

April 25, 2006
Author(s)
Michael Weir, Hockin D. Xu, Carl G. Simon Jr.
… the mitochondrial dehydrogenase activity using a Wst-1 colorimetric assay. Absorbance at 450 nm (arbitrary units) (mean sd; n = 5) was (1.36 0.41) for cells inside conventional CPC, (1.29 0.24) for … All three were statistically similar to (1.00 0.14) for control with cells in beads in culture medium without …

Rotational Spectrum of the Weakly Bonded C 6 H 6 -H 2 S dimer and Comparisons to C 6 H 6 -H 2 O Dimer

December 1, 2002
Author(s)
E Arunan, T Emilsson, H S. Gutowsky, Gerald T. Fraser, G de Oliveira, C E. Dykstra
… Tow symmetric-top, δJ = 1 progressions were observed for the C 6 H 6 -H 2 S dimer … for C 6 H 6 -H 2 S are B = 1168.53759(5) MHz, D J = 1.4424(7) kHz and D JK = 13.674(2) kHz. The other state … measurements of the two states led to dipole moments of 1.14(2) D for the ground state and 0.96(6) D for the other …

Reinforcement of a Self-Setting Calcium Phosphate Cement with Different Fibers

October 1, 2000
Author(s)
Hockin D. Xu, F Eichmiller, Anthony A. Giuseppetti
… from 3-200 mm, and fiber volume fraction ranged from 1.9-9.5%. The fibers were mixed with CPC paste and placed … was (24 3) for 3 mm fibers, (36 13) for 8 mm fibers, (48 14) for 25 mm fibers, and (62 16) for 75 mm fibers. At 25 mm …

Folding and Assembly of Rhodopsin from Expressed Fragments

March 1, 2000
Author(s)
K D. Ridge, N G. Abdulaev
… fragments behave as independent folding domains, 1-3 and membrane protein fragments have been functionally … bovine opsin fragments fold and assemble in vivo. 12-14 The focus is on the construction of opsin gene fragments, their transient expression in COS-1 cells, the biochemical characterization of the expressed …

Developing the United States GReenhouse gas And Air Pollutants Emissions System (GRA2PES)

October 11, 2025
Author(s)
Congmeng Lyu, Colin Harkins, Meng Li, Kimberly Mueller, Jack Prothero, Bert Verreyken, John Miller, Scott Lehman, Jeff Peischl, Jessica Gilman, CARSTEN WARNEKE, MATTHEW COGGON, Chelsea Stockwell, Steve Brown, Kristen Zuraski, Aaron Lamplugh, kevin gurney, Lech Gawuc, Pawlok Dass, Rachel Hoesly, Steve Smith, Tomohiro Oda, Lucy Hutyra, Conor Gately, claire granier, James Whetstone, BRIAN MCDONALD
… the national, state, and urban-scale, GRA2PES is within +1.5%, +1.5% normalized mean bias (NMB, R2 = 0.98), and +12.0% NMB …

Impact of screening for HPV-positive oropharyngeal cancers: A microsimulation-based modeling study

February 6, 2025
Author(s)
Rebecca Landy, Gregory Haber, Barry Graubard, Carole Fakhry, Nicole Campos, Emily Burger, Li Cheung, Hormuzd Katki, Maura Gillison, Anil Chaturvedi
… (AJCC v7, Stages III/IV: 90.0% with no screening vs. 59.1%) and treated by multiple-modalities (80.6% with no … require screening 561 men per screen-detected cancer, 1,118 per additional cancer treated by single-modality, 4,740 … receiving an average of 1.01 biomarker screens and 14.4 ultrasounds. Conclusions: If proven efficacious in …
Displaying 1351 - 1375 of 1415
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