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Showing 1 to 20 of 31 for “"Lipid biomarkers"”.

  1. Lipid Biomarkers for Marine Fungi

    Cooper, Emily2025

    … to be included in biogeochemical models. <br/>Lipid biomarkers can be used to assess microbial abundance and biomass due to their specificity and may be utilised to explore the viability and trophic dynamics of marine microbial communities. Although lipid biomarkers for fungi have been used in …

    plymouth Repository record

  2. Lipid Biomarkers in Multiple Sclerosis Pathogenesis

    Fellows, KellyState University of New York at Buffalo2018

    Ph.D.

    buffalo Repository record

  3. Lipid biomarkers of coral stress : calibration and exploration

    Kneeland, Jessie M.Massachusetts Institute of Technology and Woods Hole Oceanographic Institution2011

    … to bleaching and eventual mortality. The use of lipid ratios as biomarkers of environmental conditions is well established. Coral biomass contains abundant lipids, and the potential of lipid parameters to diagnose thermal tolerance in zooxanthellae has been previously suggested. In this thesis, I …

    woods-hole Repository record

  4. Lipid biomarkers of coral stress : calibration and exploration

    Kneeland, Jessie M. (Jessie Mary)Massachusetts Institute of Technology2011

    … to bleaching and eventual mortality. The use of lipid ratios as biomarkers of environmental conditions is well established. Coral biomass contains abundant lipids, and the potential of lipid parameters to diagnose thermal tolerance in zooxanthellae has been previously suggested. In this thesis, I …

    mit Repository record

  5. Evaluating Phosphatidylinositide as Lipid Biomarkers for Hyperglycemia-related Triple-negative Breast Cancer Aggressiveness

    Kile, Aaron2025

    … levels influence TNBC behavior and whether lipid signaling molecules at the cell membrane, known as phosphatidylinositol lipids (PIs), can serve as biomarkers of disease progression. To address this, we combined functional assays that measure key cancer traits, including cell migration, …

    iupui Repository record

  6. Lipid Biomarkers of Bering and Chukchi Sea Euphausiids and Their Application to Diet History

    Pleuthner, Rachel L.2019

    … during ice advance and retreat; multiple lipid classes are used to temper the effects of those fluctuations, as well as to fuel reproduction and growth. Two shipboard feeding experiments that occurred during late spring and early summer of 2010, respectively, monitored the lipid retention …

    odu Repository record

  7. Approaching Neanderthal behavior through the geoarchaeological study of combustion structures: Investigations in soil micromorphology and lipid biomarkers.

    Leierer, Lucía2021

    ull

  8. The effects of a mushroom-egg white blend product on endothelial health and cardiovascular biomarkers

    Roceles, Catrina IsabelTexas Woman's University2022

    … on endothelial health and cardiovascular biomarkers. In a randomized, single-blind, crossover trial, forty overweight and obese adults consumed an egg whites only (EWO) control product and a mushroom-egg white blend (MEWB) treatment product daily for 6 weeks each with a 4-week washout …

    twu Repository record

  9. The effect of freeze dried whole watermelon powder on endothelial function and vascular health in older adults

    Patel, Karishma D.Texas Woman's University2023

    … dried whole watermelon powder on cardiovascular biomarkers and endothelial health. In a 16-week double-blinded, randomized placebo-controlled study design, 38 men and women between the ages of 45 to 79 years old consumed whole freeze dried watermelon powder or placebo powder (control). An …

    twu Repository record

  10. Exploring the distribution and physiological roles of bacterial membrane lipids in the marine environment

    Saenz, James P.Massachusetts Institute of Technology and Woods Hole Oceanographic Institution2010

    Lipids have a legacy in the geologic record extending back to the Archaean. Since the phylogenetic diversity of life is reflected in the structural diversity of biomolecules, lipid biomarkers that are shown to be diagnostic of certain organisms that carry out specific biochemical processes or that …

    woods-hole Repository record

  11. Exploring the distribution and physiological roles of bacterial membrane lipids in the marine environment

    Sáenz, James PeterMassachusetts Institute of Technology2010

    Lipids have a legacy in the geologic record extending back to the Archaean. Since the phylogenetic diversity of life is reflected in the structural diversity of biomolecules, lipid biomarkers that are shown to be diagnostic of certain organisms that carry out specific biochemical processes or that …

    mit Repository record

  12. Testing the ancient marine redox record from oxygenic photosynthesis to photic zone euxina

    French, Katherine L.Massachusetts Institute of Technology and Woods Hole Oceanographic Institution2015

    … where the results imply that currently existing lipid biomarkers are contaminants. Next, the stratigraphic distribution of green and purple sulfur bacteria biomarkers through geologic time is evaluated to test whether these compounds reflect a water column sulfide signal, which is implicit in …

    woods-hole Repository record

  13. Testing the ancient marine redox record from oxygenic photosynthesis to photic zone euxina

    French, Katherine L. (Katherine Louise)Massachusetts Institute of Technology2015

    … where the results imply that currently existing lipid biomarkers are contaminants. Next, the stratigraphic distribution of green and purple sulfur bacteria biomarkers through geologic time is evaluated to test whether these compounds reflect a water column sulfide signal, which is implicit in …

    mit Repository record

  14. Biogeochemical applications of compound-specific radiocarbon analysis

    Pearson, AnnMassachusetts Institute of Technology and Woods Hole Oceanographic Institution1999

    … isotopic (δ13C and Δ14C) data are reported for lipid biomarkers isolated from Santa Monica Basin (SMB) and Santa Barbara Basin (SBB) surface sediments. These organic compounds represent phytoplanktonic, zooplanktonic, bacterial, archaeal, terrestrial, and fossil carbon sources. The lipids …

    woods-hole Repository record

  15. Biogeochemical applications of compound-specific radiocarbon analysis

    Pearson, Ann, 1971-Massachusetts Institute of Technology2000

    … isotopic (613C and A14C) data are reported for lipid biomarkers isolated from Santa Monica Basin (SMB) and Santa Barbara Basin (SBB) surface sediments. These organic compounds represent phytoplanktonic, zooplanktonic, bacterial, archaeal, terrestrial, and fossil carbon sources. The lipids …

    mit Repository record

  16. A preliminary analysis of the lipid contents of a biofilm from a Yellowstone hydrothermal pool

    Hays, Lindsay ElizabethMassachusetts Institute of Technology2005

    … in environmental samples for the study of lipid biomarkers has extended to these hot springs as well. In this preliminary study of Obsidian Pool, I used a modified Bligh and Dyer extraction process to create a total lipid extract (TLE), which was then further separated and processed by an …

    mit Repository record

  17. Organic geochemical biosignatures in alkaline Hydrothermal ecosystems

    Bradley, Alexander SmithMassachusetts Institute of Technology2008

    … results inform our analysis of methanogen lipids from carbonates of the Lost City Hydrothermal Field. This ultramafic ecosystem produces methane highly enriched in 13C relative to most biotic methane. We find that the 13C enrichment in methanogen lipids is even stronger -- demonstrating …

    mit Repository record

  18. Mars in the late Noachian : evolution of a habitable surface environment

    Johnson, Sarah StewartMassachusetts Institute of Technology2008

    … for detecting ancient life by searching for lipid biomarkers in sulfur-rich acid salt lakes, concluding that a variety of biomarkers may be more resistant to decay than previously believed. It then analyzes soil samples from permafrost, discovering the oldest independently authenticated …

    mit Repository record

  19. EVALUATION OF THE OXIDATIVE METABOLITES OF ARACHIDONIC ACID AND THEIR IMPLICATION IN THE PROGRESSION OF INFLAMMATORY DISEASES: HYPERTENSION AND RHEUMATOID ARTHRITIS

    Varma, DeeptiTemple University. Libraries2012

    … (eicosanoids). Eicosanoids are specific biomarkers of inflammation. Their biosynthesis from arachidonic acid can be catalyzed by either free radicals or enzymes such as lipoxygenases (LOX), cyclooxygenase-2 (COX-2) and cytochrome P450. Depending on the pathway or parent molecule, …

    temple Repository record

  20. Beyond the vessel: Organic residue analysis of Late Bronze and Early Iron Age south-east European pottery

    Bastos, Beatriz I.F. deUniversity of Bradford2019

    … mass spectrometry. Two methods of lipid extraction were compared in a pilot study compressing 30 potsherds from Kaptol (solvent vs. acid extraction). This study revealed that more information was obtained by acid extraction, thus it was selected as the main method of extraction for …

    bradford Repository record

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