Index Catalog // ScholarsArchive@OSU

Trans-Pacific and regional atmospheric transport of anthropogenic semivolatile organic compounds in the western U.S.

Creator:: Primbs, Toby
Abstract:: The atmospheric transport of anthropogenic semivolatile organic compounds (SOCs) from Asian sources to the Western U.S. was investigated. In addition, the SOC extraction method was optimized. Hansen solubility parameter plots were used to aid in the pressurized liquid extraction (PLE) solvent selection of air sampling media in order to minimize...
Resource Type:: Dissertation

A new trigonal huntite material and subgroup relationships between crystallographic space groups

Creator:: Hruschka, Michael Archimedes and Hruschka, Michael A.
Abstract:: The use of an adjacency matrix to determine distant (not maximal or minimal) subgroup and supergroup relationships between crystallographic spacegroup types is described. Full lists of space-group types that are supergroups and subgroups for every space-group type were compiled. A list of the space-group types connected to each space-group type...
Resource Type:: Dissertation

Synthesis of marine natural products. part I, Cryptophycins-1, -3, -4, -24, and -29, part II, Polycavernoside A

Creator:: Robarge, Lonnie A.
Resource Type:: Dissertation

The identification and quantitation of complex polycyclic aromatic hydrocarbon mixtures in environmental samples using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry

Creator:: Manzano, Carlos A.
Abstract:: Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous contaminants and are mostly products of the incomplete combustion of organic material. PAHs are often found in environmental samples as a complex mixture of isomers. In addition, the same sources that produce complex PAH mixtures also produce other poorly characterized mixtures of organic compounds,...
Resource Type:: Dissertation
Full Text:: during the 2008 Beijing Olympics Were Sustained. Environ. Health Perspect. 2011, 119 (6), 815-820. 23

Structural effects of intrinsic and extrinsic perturbations to model membranes

Creator:: Church, Sara E.
Abstract:: The observed and calculated structural parameters of three systems of phosphatidylcholine bilayers in fully-hydrated multilamellar vesicles (MLVs) were determined using x-ray diffraction techniques. The analysis used the x-ray reflections from the low-, intermediateand wide-angle regions of the diffraction patterns in the subgel, gel, rippled and fluid phases to determine the...
Resource Type:: Dissertation

Design and application of a microcomputer automated multielement flame atomic fluorescence instrument

Creator:: Neyzari, Shahrokh Ghaffari
Abstract:: An automated multielement flame atomic fluorescence (AF) spectrometer based on microcomputer control was constructed to determine four elements simultaneously. The instrument employs a multiple exit slit monochromator where the light from various exit slits is directed to a single detector with a mirrored funnel. Each element is excited to fluoresce...
Resource Type:: Dissertation

Design, construction and application of an instrument for simultaneous measurement of molecular fluorescence, absorbance and chemiluminescence

Creator:: Yappert, Marta Cecilia
Abstract:: An instrument was constructed to measure molecular fluorescence (FL) or chemiluminescence (CL) and absorbance (ABS) simultaneously. The lower, middle, and upper portions of the test solution are probed to obtain ABS, FL, and CL data. Optical fibers are used extensively. The ABS and FL or CL spectra are acquired in...
Resource Type:: Dissertation
Full Text:: spectrograph and detected by a diode array over a spectral range extending from 175 nm to 815 nm. The FL is

Integration methods for enzymatic analysis response curves which show maxima, minima or inflections

Creator:: Radke, Garold E.
Abstract:: Integration methods for enzymatic reactions were applied to transducer response vs. time curves which exhibit maxima, minima or inflections. The difference between the integral of the time dependent response and the initial response, often zero, is related to the initial enzyme activity or substrate concentration. Fluorescence response curves which exhibit...
Resource Type:: Masters Thesis

A reaction rate determination of aluminum with a microcomputer-based spectrofluorometer

Creator:: Campi, Gregory Louis
Abstract:: The development and optimization of a fluorometric reaction rate method for the determination of aluminum is described. Modifications to existing instrumentation permit automatic monitoring and reporting of measurement conditions. Automatic correction of measured analytical signals is provided if monitored parameters deviate from optimum values. A computer controlled standard addition procedure...
Resource Type:: Masters Thesis

Development of trace enrichment techniques for trace metals in natural waters using high pressure liquid chromatography

Creator:: Ambrose, Arthur Sigurd
Abstract:: An on-line trace enrichment (TE) system, based on high pressure liquid chromatogroaphy (HPLC) and flame atomic absorption (AA), has been developed for trace metal analysis. The sample is pumped through a column filled with a cation exchange resin which traps metal ions. The ions are subsequently stripped from the column...
Resource Type:: Dissertation

ScholarsArchive@OSU

Trans-Pacific and regional atmospheric transport of anthropogenic semivolatile organic compounds in the western U.S.

A new trigonal huntite material and subgroup relationships between crystallographic space groups

Synthesis of marine natural products. part I, Cryptophycins-1, -3, -4, -24, and -29, part II, Polycavernoside A

The identification and quantitation of complex polycyclic aromatic hydrocarbon mixtures in environmental samples using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry

Structural effects of intrinsic and extrinsic perturbations to model membranes

Design and application of a microcomputer automated multielement flame atomic fluorescence instrument

Design, construction and application of an instrument for simultaneous measurement of molecular fluorescence, absorbance and chemiluminescence

Integration methods for enzymatic analysis response curves which show maxima, minima or inflections

A reaction rate determination of aluminum with a microcomputer-based spectrofluorometer

Development of trace enrichment techniques for trace metals in natural waters using high pressure liquid chromatography

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