Browsing Department of Chemistry and Biochemistry by Author "Schug, Kevin A."
Now showing items 1-20 of 26
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Analytical Characterization Of Anthocyanins From Natural Products By Reverse-phase Liquid Chromatography-photodiode Array-electrospray Ionization-ion Trap-time Of Flight Mass Spectrometry
Barnes, Jeremy S. (Chemistry & Biochemistry, 2011-03-03)Anthocyanins are known to be one of the most powerful phytochemical antioxidant and believed to have a positive influence on a variety of health conditions. Numerous studies continue on these compounds that are readily ... -
ANALYTICAL METHODS FOR SOLVING COMPLEX PROBLEMS IN FOOD AND ENVIRONMENTAL SCIENCE
York, Jamie Lynn; 0000-0002-0012-6434 (2019-08-28)Complex samples can be challenging for analysis in a number of different ways. Food and environmental samples can be particularly difficult due to their non-uniformity from sample to sample, possible unknown contents, and ... -
Bioanalytical LC-MS: Streamlined Sampled Preparation And Novel Ambient Ionization Techniques
Yang, Samuel Hsiao-Chieh (Chemistry & Biochemistry, 2012-07-25)Bioanalysis has gained importance in the scientific at an exponential rate. The focus of these works attempt to seek new approaches towards faster and more efficient bioanalysis that require little to no sample preparation. ... -
Characterization and Remediation of Wastewater from Unconventional Oil and Gas Development
Liden, Tiffany Michelle (2018-08-24)Increasing energy demands from the nation and technological advancement in well development have led to the rapid expansion of unconventional oil and gas extraction. Current disposal methods for wastewater generated from ... -
Characterization Of Flavonoid Reactivities And Degradation Products Using Online Continuous Flow Kinetic Measurements And Higher Order Mass Spectrometry
Barnes, Jeremy S. (Chemistry & Biochemistry, 2014-03-12)Epidemiological studies offer strong evidence that diets rich in fruits and vegetables provide a defense against cardiovascular disease, cancer and other physiological disorders. One theory suggests that these hazards are ... -
Chiral Recognition And Binding Constant Determination In Monovalent And Bivalent Systems Using Electrospray Ionization Mass Spectrometry
Joshi, Manishkumar (Chemistry & Biochemistry, 2008-09-17)Electrospray ionization mass spectrometry (ESI-MS) is a soft ionization method which is capable of transferring weakly bound host-guest noncovalent complexes from the solution phase to the gas phase. This capability makes ... -
DERIVATIZATION OF SMALL ACIDS TO ENHANCE SENSITIVITY IN GAS CHROMATOGRAPHY MASS SPECTROMETRY AND GAS CHROMATOGRAPHY VACUUM ULTRAVIOLET SPECTROSCOPY
Wang, Chih-Hao (2016-08-12)Disinfection by-products (DBPs) are a significant concern in drinking water quality. Haloacetic acids, which are generated from disinfection processes, are one of the major groups in disinfection by-products. Because they ... -
Determination Of Nicotine And Its Metabolites Accumulated In Fish Tissue Using Quechers And Hydrophilic Interaction Liquid Chromatography And Tandem Mass Spectrometry
Chang, Yun-Wei (Chemistry & Biochemistry, 2014-12)The quantitative determination of nicotine and its major metabolites (cotinine and anabasine) in fish tissue was performed using hydrophilic interaction liquid chromatography (HILIC) coupled with tandem mass spectrometry. ... -
Elucidation Of The Structure And Recognition Properties Of Antimony(III)-tartrate Using Electrospray Ionization Mass Spectrometry
Wijeratne, Aruna B. (Chemistry & Biochemistry, 2010-11-01)Chirality of molecules is a major topic in the design, discovery and development of new drugs. Currently, analytical chemistry research divisions are challenged to find new methods to screen enantiospecific molecular ... -
Estrogen Analysis By Liquid Chromatography - Mass Spectrometry
Nguyen, Hien P. (Chemistry & Biochemistry, 2011-03-03)Estrogens are well known as female hormones associated with both health and disease. Although they have been reported as potential carcinogens, their use as therapy in the treatment of neurodegeneration has recently received ... -
EVALUATION OF ACTIVATED CARBON AS A COMMERCIAL DRUG DISPOSAL PRODUCT USING LIQUID CHROMATOGRAPHY–TANDEM MASS SPECTROMETRY
Waybright, Veronica B.; 0000-0002-4458-8198 (2015-11-18)At present, pharmaceuticals, synthetic organic compounds, and endocrine disrupting compounds are ubiquitous in our environment. These have been introduced by consumers and manufacturers directly and indirectly for decades. ... -
EXPLORING FLEXIBLE CONFIGURATIONS OF A CUSTOM MULTIPATH LC –MS FOR SMALL MOLECULES AND PROTEIN ANALYSIS
Kalu Appulage, Dananjaya (2017-08-07)There are diseases where both small molecules and proteins are found as disease indicators. In the usual analysis of small molecules, proteins are precipitated out during the sample preparation. In the small molecule ... -
Fundamental And Applied Studies Of An Ambient Ionization Technique: Continuous Flow-extractive Desorption Electrospray Ionization - Mass Spectrometry
Li, Li (Chemistry & Biochemistry, 2014-07-14)Continuous flow extractive desorption electrospray ionization (CF-EDESI) is a novel ambient ionization technique that was developed to help analyze samples from non-ESI-friendly solvents, manipulate protein charge states, ... -
Gas Chromatography And Metal Analysis Of Produced Water Treated With A Household Commercial Filter
Nguyen, Chuong (2017-05-15)Unconventional oil and gas extraction activities, including hydraulic fracturing, are a collection of processes used to liberate significant quantities of natural gas and oil in the United States. Many extraction sites are ... -
INTACT PROTEIN DETECTION, SEPARATION, AND QUANTITATION USING LIQUID CHROMATOGRAPHY - TRIPLE QUADRUPOLE MASS SPECTROMETRY
Wang, Evelyn Hsin-Yi (2016-08-10)There is an increasing demand for protein detection and quantitation in biological fluids for disease detection, protein therapeutics monitoring, and drug development response control. Current methods use highly sensitive ... -
Ionization Competitors Extend The Linear Range Of Electrospray Ionization Mass Spectrometry
Bazzi, Bilal H. (Chemistry & Biochemistry, 2010-03-03)ESI-MS has proven its applicability in quantitative analysis for a wide range of analytes. Its effectiveness relies on achieving sensitivity and linear range, although the latter is known to be limited. ESI-MS response ... -
Mass Spectrometry-based Biomolecular Recognition And Response Factor Investigations Using Electrospray Ionization
Raji, Misjudeen (Chemistry & Biochemistry, 2008-09-17)Integrins are transmembrane proteins found in almost all cells. They play vital roles in many biological processes, such as angiogenesis and signal transduction, through their interactions with different extracellular ... -
Method development for qualification and quantification of cannabinoids and terpenes in extracts by Gas chromatography-mass spectrometry
Leghissa, Allegra (2016-07-19)Cannabinoids are a class of chemical compounds that act on cannabinoid receptors in cells. These receptors have different kinds of ligands, including endocannabinoids (produced in the body by humans and animals), ... -
NEW METHODS FOR DISCOVERY, FINGERPRINTING, AND ANALYSIS OF CANNABIS SATIVA NATURAL PRODUCTS
Leghissa, Allegra (2018-08-27)Cannabis sativa is an herbaceous annual that has always been of great interest due to its uses in the manufacturing of textiles and cordage, as well as for its medicinal properties. The two main bioactive components of C. ... -
ONLINE BIOANALYTICAL MASS SPECTROMETRY METHODS FOR ANALYSIS OF SMALL AND LARGE BIOMOLECULES USING ONE- AND TWO-DIMENSIONAL LIQUID CHROMATOGRAPHY
Baghdady, Yehia Zakaria (2018-12-06)In recent years, the innovation in biomarkers and biotherapeutics has increased the demand for state-of-the-art analytical platforms to achieve reliable and accurate discoveries and quantitative analysis methods. The ...