Index Catalog // ScholarsArchive@OSU

Computational Investigation into the Mechanisms and Origins of Selectivity in Selected Organic and Organometallic Chemical Processes

Creator:: Harper, Jordan L.
Abstract:: Put generally, the work I have conducted in my time at Oregon State University has been to answer two questions. The first of these is “Why do I get this particular product from this particular chemical reaction?” and the second is “How do the reagents in this chemical reaction lead...
Resource Type:: Dissertation
Full Text:: )-selenylation of o-carborane acids…….. 37 3.03. Initial coordination complexes I and I’………………………………………… 39

Simultaneous spectrophotometric determination of calcium and magnesium with Arsenazo III

Creator:: Shafer, Howard Price, II
Abstract:: A dual -pH simultaneous direct spectrophotometric method for the determination of calcium and magnesium using Arsenazo III has been developed. An absorption spectra study was made of Arsenazo III and its magnesium, calcium, strontium, and barium complexes at various pH values. This study showed that total calcium and magnesium can...
Resource Type:: Masters Thesis
Full Text:: COMBINING RATIOS OF THE ARSENAZO III COMPLEXES OF CALCIUM AND MAGNESIUM 29 Procedure 30 Discussion 39

Tandem intramolecular photocycloaddition-retro-Mannich fragmentation as a route to indole and oxindole

Creator:: Li, Yang
Abstract:: Irradiation of a tryptamine linked through its side-chain nitrogen to an alkylidene malonate residue results in an intramolecular [2 + 2] cycloaddition to the indole 2,3-double bond. The resultant cyclobutane undergoes spontaneous retro-Mannich fission to produce a spiro[indoline-3,3-pyrrolenine] with relative configuration defined by the orientation of substituents in the transient...
Resource Type:: Dissertation
Full Text:: , H.; Osada, H. J. Antibiot. 1996, 49, 832. 39. Reviews: (a) Marti, C.; Carreira, E.M. Eur. J. Org

Large volume (1,800 µL) injection HPLC/MS/MS for the quantitative determination of illicit drugs and human urinary biomarkers in municipal wastewater

Creator:: Chiaia Hernandez, Aurea C.
Abstract:: A sensitive, selective, rapid analytical method based on large-volume injection (LVI) liquid chromatography/ tandem mass spectrometry was developed using commercially-available hardware that eliminates the need for either off-line or on-line solid phase extraction. Centrifugation followed by the direct injection of 1,800 µL was used for the quantification of illicit drugs,...
Resource Type:: Masters Thesis
Full Text:: 17. Cocaine loads ± standard deviation (mg/day/person). .......................................... 39

Optical diffraction study of ultrasonic sound velocity in nitrous oxide and ammonia gases

Creator:: Strauch, Joseph George
Abstract:: The velocity of sound in gases was measured, using an ultrasonic wave train as a diffraction grating. The fundamental problems involved in the optical technique are discussed. An apparatus utilizing an objective lens of focal length 1.5 m and aperture f/20 was constructed and used at an ultrasonic frequency close...
Resource Type:: Dissertation
Full Text:: diffraction of the Hg 5461 A line in argon, nitrogen, nitrous oxide, and ammonia at pressures from O. 23 to

Copper and iron chalcogenides for efficient solar absorption

Creator:: Platt, Heather A. S.
Abstract:: This dissertation outlines two approaches for improving the efficiency and reducing the cost of photovoltaic energy generation. First, the structures of known binary copper and iron compounds are used to choose the promising compositions Fe₂XS₄ (X = Si, Ge), Cu₃TaQ₄ (Q = Se, Te), and BaCuQ'F (Q' = S, Se,...
Resource Type:: Dissertation
Full Text:: .................................................................................. 39 3.1 Introduction ........................................................................... 40

Preparation of propylcyclohexanes with functions on the 4 and 3' positions

Creator:: Rowell, Charles Frederick
Abstract:: The preparation of 4-(3-hydroxypropyl) cyclohexanone and of 4-(3-hydroxypropyl) cyclohexene and a number of their derivatives as potential precursors of asymmetrically substituted bicyclo [3, 3, 1] nonanes is described. The ketone, 4-(3-hydroxypropyl) cyclohexanone, was prepared from p-allylanisole by three different routes. Common to each route was an initial hydroboration-oxidation followed by...
Resource Type:: Dissertation
Full Text:: obtained on pyrolysis of the arnine oxide of 2-pyrollidinobicyclo- fr, ,, r]J ,, o,,..,,. . PREPARATION

CoLocalized Excitation Emission Resolution : A CLEER approach for multicolor fluorescence analysis

Creator:: Almlie, C. Kyle
Abstract:: Fluorescence has proven to be a robust and powerful method of analysis in numerous fields: forensics, pharmaceutics, geology, food science, and environmental sciences have all developed a large collection of fluorescence instruments and methods to overcome application-specific challenges. Biological applications saw the same development of a fluorescence toolkit with methods...
Resource Type:: Dissertation
Full Text:: ....................................................................................................... 39 Acknowledgements

Advanced studies on the biosynthesis of the streptolidine moiety of streptothricin F

Creator:: Jackson, Michael D.
Resource Type:: Dissertation
Full Text:: Streptolidine in the Formation of Streptothricin F 30 Introduction 30 Results and Discussion 39 Synthesis of

Carbon Nanodots as Biolabels for Fluorescence Immunoassays

Creator:: Wu, Yuanyuan
Abstract:: There has been a tremendous growth in interest in carbon nanodots (C-dots) in the past several years. As a nascent nanomaterial, C-dots have shown great promise in applications that benefit from their superior water dispersibility, low toxicity, non-blinking fluorescent output, chemical and biological compatibility, ease of functionalization and resistance to...
Resource Type:: Dissertation
Full Text:: silica nanoparticles (CD-SNPs) by reverse (w/o, water in oil) microemulsion encapsulation

ScholarsArchive@OSU

Computational Investigation into the Mechanisms and Origins of Selectivity in Selected Organic and Organometallic Chemical Processes

Simultaneous spectrophotometric determination of calcium and magnesium with Arsenazo III

Tandem intramolecular photocycloaddition-retro-Mannich fragmentation as a route to indole and oxindole

Large volume (1,800 µL) injection HPLC/MS/MS for the quantitative determination of illicit drugs and human urinary biomarkers in municipal wastewater

Optical diffraction study of ultrasonic sound velocity in nitrous oxide and ammonia gases

Copper and iron chalcogenides for efficient solar absorption

Preparation of propylcyclohexanes with functions on the 4 and 3' positions

CoLocalized Excitation Emission Resolution : A CLEER approach for multicolor fluorescence analysis

Advanced studies on the biosynthesis of the streptolidine moiety of streptothricin F

Carbon Nanodots as Biolabels for Fluorescence Immunoassays

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