Index Catalog // ScholarsArchive@OSU

The production of chromic acid by the electrolysis of sodium chromate solutions

Creator:: Rawlings, Floyd Frederick
Resource Type:: Masters Thesis

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:: give a final mass of 540 pg, 720 pg, 900pg and 1080 pg, which is equivalent to 1.5, 2, 2.5 and 3

Aryl acetylene substituent effects : the synthesis and application of biaryls

Creator:: Naffziger, Michael R.
Abstract:: The work described herein details the synthesis and application of biphenyls that probe the effects of hydrogen, Cl / Br, and methyl substituents on the aryl ring of the terminal acetylenic carbon. From this work, we successfully developed the rapid synthesis of phenyl acetylenes in 3-4 steps from inexpensive commercially...
Resource Type:: Masters Thesis

Semi-volatile fluorinated organic compounds in Asian and Pacific Northwestern U.S. air masses

Creator:: Piekarz, Arkadiusz M.
Abstract:: Current studies suggest that perfluorinated organic compounds, such as fluorotelomer alcohols (FtOHs) in the troposphere, may be precursors of perfluorocarboxylic acids and perfluorosulfonates in remote regions. Fluorinated organic compounds were investigated in archived extracts collected from remote locations in Okinawa, Japan (HSO) and Mount Bachelor, Oregon (MBO) during the springs...
Resource Type:: Masters Thesis
Full Text:: CHEMICAL, RETENTION TIMES (ON A 30 METER EC-WAX COLUMN), MOLECULAR WEIGHTS, AND IONS MONITORED FOR GC/MS

The effect of potassium pentachlorophenate on selected enzymes in fish

Creator:: Cheng, Jung Ta
Abstract:: Research on chemicals used as pesticides has been intensified because of current interest in the possible long range effects on the biota. It is vitally important to understand the action of these chemicals on the metabolism of animals and plants which have direct or indirect contact with pesticides. It has...
Resource Type:: Masters Thesis
Full Text:: temperature for 5 minutes. Color was developed and read at 540 mµ on Beckman DU Spectrophotometer. The

Mobility of F centers in potassium chloride crystals containing divalent ions

Creator:: Halim, Ester Hung-Quei
Resource Type:: Dissertation
Full Text:: , of F centers in pure KC1 crys- tals was determined from the expression = v/Ec where v is the drift

Tracking semi-volatile organic pollutants in remote lake systems

Creator:: Usenko, Sascha
Abstract:: SOCs volatility and persistence properties cause many SOCs to become ubiquitous in the environment as well as accumulate in areas with lower temperatures such as polar or orographic regions. Many anthropogenic SOCs pose a serious risk to human and ecosystem health because of their persistent, bioaccumulative, and toxic properties in...
Resource Type:: Dissertation

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

Mass spectrometric analysis of bovine neurofilament proteins NF-L, NF-M, and NF-H : peptide mapping, phosphorylation and alkylation site identification

Creator:: Mixon, April E.
Abstract:: Neurofilament proteins are intermediate filaments found in the neuronal cytoskeleton. Phosphorylation of these proteins is considered important for the assembly and stability of the filaments. Accurate molecular weights have been difficult to measure, largely because the high degree of phosphorylation results in M[subscript r]'S that are significantly greater than dictated...
Resource Type:: Masters Thesis

Design of a digital repetitive titrator

Creator:: Wendlick, Joseph David
Abstract:: An automatic digital titrator for use in potentiometric titrations is described. The automatic titrator described provides a permanent digital and analog record of all titrations. The modular units which combine to form the automatic titrator are described individually. Accuracy achieved by the titrator on successive acid-base titrations of ammonia in...
Resource Type:: Masters Thesis
Full Text:: 0.001Zf , bill 7 Ec 1 47 K N404 w / 22K Ma %220K 10K 10K 220K 4-10. 5 150K 150K Ï Gnd. S 1N472

ScholarsArchive@OSU

The production of chromic acid by the electrolysis of sodium chromate solutions

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

Aryl acetylene substituent effects : the synthesis and application of biaryls

Semi-volatile fluorinated organic compounds in Asian and Pacific Northwestern U.S. air masses

The effect of potassium pentachlorophenate on selected enzymes in fish

Mobility of F centers in potassium chloride crystals containing divalent ions

Tracking semi-volatile organic pollutants in remote lake systems

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

Mass spectrometric analysis of bovine neurofilament proteins NF-L, NF-M, and NF-H : peptide mapping, phosphorylation and alkylation site identification

Design of a digital repetitive titrator

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