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Showing 1 to 20 of 23 for “"high-pressure-liquid-chromatography (HPLC)"”.

  1. Constituents of Aplysina Fistularis

    Goo, Yang MoUniversity of Illinois at Urbana-Champaign2014

    … Aplysina fistularis, were examined by gas chromatography/mass spectrometry (GC/MS), high pressure liquid chromatography (HPLC) and classical fractionation and purification procedures. GC/MS indicated that many brominated tyrosine metabolites were accumulated in two A. fistularis samples, …

    uiuc Repository record

  2. ΔΙΑΧΩΡΙΣΜΟΣ ΣΤΟΙΧΕΙΩΝ ΜΕΤΑΠΤΩΣΕΩΣ ΜΕ ΥΓΡΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ ΥΨΗΛΗΣ ΠΙΕΣΗΣ

    Παππά, ΑθηνάNational Technical University of Athens (NTUA)1987

    … OF A NUMBER OF TRANSITION METALS BY HIGH PRESSURE LIQUID CHROMATOGRAPHY (HPLC). THE SEPARATION OF NI, CO, FE, CR, MO, V AND W FIRSTLY AS CHLORIDES AND SECONDLY AS CHELATES WAS STUDIED. SEPARATIONS OF NI/CO DIETHYLDITHIOCARBAMATES MO/CO/CR OXINATES NI, V/CR THIONATES WERE OBTAINED. THE …

    greece Repository record

  3. Methods to Improve Marker Assisted Selection (Mas) for the Sugary Enhancer1 (Se1) Trait in Maize

    Schultz, Jennifer A.University of Illinois at Urbana-Champaign2015

    … glucose and fructose were quantified using high pressure liquid chromatography (HPLC). The data indicate families and years are significantly different, and there is a strong family x year interaction for all sugars measured. Data showed a bimodal distribution among sucrose and fructose …

    uiuc Repository record

  4. Enzyme Kinetics of Recombinant Human Arylsulfatase B (rhASB)

    Cunico, Katherine Marie1970

    … to a direct hydrolysis assay analyzed by High Pressure Liquid Chromatography (HPLC), this gives two potential methods of examining the kinetics of rhASB with both a monosaccharide substrate and the natural intracellular substrate</p>

    dominican Repository record

  5. Photochemistry of Polycyclic Aromatic Hydrocarbons with Environmentally Relevant Metals

    Haynes, John P.2018

    … simulator and resulting samples are analyzed by high-pressure liquid chromatography (HPLC), UV-Vis, attenuated total reflectance Fourier transformer infrared spectroscopy (ATR-FTIR), solid-phase extraction (SPE), and electrospray ionization/atmospheric pressure chemical ionization mass …

    denver Repository record

  6. Inheritance of Soluble Oligosaccharides in Soybean Seeds

    Huhn, Melissa RoseVirginia Tech2003

    … An experimental soybean line, V99-5089, with high sucrose (14.6%) content coupled with low amounts of raffinose (0.5%) and stachyose (0.4%) was the center of this study. Three populations were studied and segregation patterns were observed in F2:3 populations. All three sugars were extracted …

    vt Repository record

  7. Use of High Pressure Liquid Chromatography to Detect and Quantify Oxytetracycline Marks in Walleye Otoliths and Dorsal Spines

    Hawkins, Michael J.

    … The goal of this study was to determine if high pressure liquid chromatography (HPLC) is a feasible and superior alternative for detecting and quantifying OTC in otoliths of fry-marked and spines of fingerlingmarked walleyes. Study objectives were to validate methodology of extraction of OTC …

    sdstate Repository record

  8. The Comparison of Rat and Human Intestinal and Hepatic Glucuronidation of Enterolactone Derived from Flaxseed Lignans

    Lin, ChaojieUniversity of Saskatchewan2012

    … However, EL’s oral bioavailability is low and highly variable due to extensive first-pass metabolism, especially glucuronidation, which results in the large amount of glucuronide metabolites but low levels of free EL in human plasma. Hepatocytes and enterocytes express …

    sask Repository record

  9. Energy levels and anaerobic endproducts in the brains of two species of teleost fish at death in anoxic water

    DiAngelo, Constance RoseVirginia Tech1986

    … were analyzed using enzymatic assays and high pressure liquid chromatography (HPLC). Control bullhead brains had higher concentrations of glycogen, ATP, CrP, and glucose than control trout. With anoxia, bullheads showed a significant decrease in ATP, CrP, and glycogen with no change noted …

    vt Repository record

  10. Chemical characterization of dissolved organic matter (DOM) in seawater : structure, cycling, and the role of biology

    Quan, Tracy M.Massachusetts Institute of Technology and Woods Hole Oceanographic Institution2005

    … of the chemical compounds present in high molecular weight DOM (HMWDOM), the cycling of individual compounds within the HMWDOM pool, and the biological controls on DOM release. The first section of this thesis provided additional molecular level characterization of HMWDOM. While some …

    woods-hole Repository record

  11. Purification and Characterization of the Prostate Cancer-Associated Antigen: 7E11-C5

    Feng, Qi2019

    … LNCaP xenograft tissue extract by immunoaffinity chromatography with an estimated antigen recovery of 64%. High pressure liquid chromatography (HPLC) molecular exclusion column was used to further purify the antigen and results showed that the molecular weight of the antigen, under native …

    odu Repository record

  12. An analytical study of the role of selected metal ions in bone and joint diseases

    Furst, AlexandraUniversity of North London1995

    … 'mobility' and 'reactivity' compared to the high-molecular weight protein-bound metal ions. In this project, low-molecular weight metal ions encountered in vivo due to bone and joint disease are studied, namely gold, titanium and iron metal ions. Gold compounds such as disodium aurothiomalate …

    london-metro Repository record

  13. Ultraviolet Radiation and Carotenoid Pigmentation in Symbiotic Anthozoans

    Mobley, Kenyon B.1970

    … were exposed to one of three light treatments: high PAR and high UVA; high PAR and low UVA; and low PAR and no UVA.</p> <p>Carotenoids positively identified in <em>A. pallida</em> by high pressure liquid chromatography (HPLC) included peridinin, diadinoxanthin, diatoxanthin and (3-carotene. In …

    gsu Repository record

  14. Personal exposure of children to formaldehyde in Perth, Western Australia

    Lazenby, Victoria S.Edith Cowan University, Research Online, Perth, Western Australia2010

    … (DNPH), with formaldehyde detected using high pressure liquid chromatography (HPLC). In winter there was a wide range of personal exposure concentrations, with geometric mean concentrations of 9.7ppb at Duncraig and 11.5ppb at Calista. Indoor geometric mean concentrations at Duncraig were …

    edithcowan Repository record

  15. Strategies for Improving the Bacterial Biodegradation of PET

    Ahmaditabatabaei, SeyedehazitaUniversity of Westminster2023

    … resistant to degradation, mainly due to its high content of aromatic terephthalate units. While biodegradation is an environmentally friendly method for tackling this waste, it is proven to be somewhat inefficient. One contributing factor is that the temperature required for bacterial growth …

    westminster Repository record

  16. Development and evaluation of a beta-glucan biopolymer formulation of lactoferrin produced using a novel cryomilling technique

    Kumar, HemantResearchSpace@Auckland2010

    … with hydrophobic excipients was found to be higher than films without excipients. A High pressure liquid chromatography (HPLC) method was developed and validated to measure the concentrations of bLF in the formulations. Complete recovery of bLF from films and particles could not be achieved …

    auckland-ms Repository record

  17. An engineering analysis of natural and biomimetic self-repair processes for solar energy harvesting

    Boghossian, Ardemis A. (Ardemis Anoush)Massachusetts Institute of Technology2012

    Plants have evolved highly sophisticated mechanisms of self-repair to regenerate proteins that become photo-damaged over time. Key to this self-repair process is the reversible self-assembly of protein complexes, which is characterized by the molecular recognition of parts, kinetic trapping of …

    mit Repository record

  18. Pharmacokinetic Profiles of Oxytetracycline in Yellow Perch (Perca flavescens) as Determined by Plasma Concentration Following Different Routes of Administration

    Bowden, BrentVirginia Tech2001

    … is a cool water game and commercial species with high aquaculture potential. The pharmacokinetic profiles of oxytetracycline (OTC) was determined by measuring plasma concentrations in yellow perch following intraperitoneal (i.p.), intramuscular (i.m.), per os (p.o.), and intracardiac (i.c.) …

    vt Repository record

  19. Stability evaluation of selected anthelmintic macrocyclic lactone compounds and formulations

    Awasthi, AtulResearchSpace@Auckland2012

    … in combination are usually at least 10-fold higher in concentration than their ML counterparts, significantly affecting the stability of the formulation and resulting in excessive unknown impurities, higher toxicity and inferior efficacy. Accordingly, this thesis aimed to evaluate selected …

    auckland-ms Repository record

  20. Separation and characterization of crude oils and investigation of their wetting properties on rock surfaces

    Rezaee, SaraRice University2019

    … chromatographic technique and clay/alumina chromatography method respectively. We confirm that the new techniques require less solvent and that the amount of solvent for the desorption step does not depend on polar fractions content. Both methods are three to four times faster compared to …

    rice Repository record

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