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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1780 for “"Extracts"”.
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Coronavirus Replication Inhibition by Herbal Extracts
… SARS coronavirus, I screened several herbal extracts from natural compounds affecting replication of mouse hepatitis virus (MHV), the prototype coronavirus, infected cells. The reduced virus production was analyzed by plaque assay. The replication inhibition of MHV by herbal extracts in terms …
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Cancer Chemoprevention by Vaccinium and Vitis Extracts
In summary, the present studies suggest that specific fractions of both Vaccinium and Vitis species possess considerable anticancer activity. The exact compounds responsible for these activities and their specific mechanisms of action warrant further investigation as potential cancer …
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Characterization and Application of Peanut Root Extracts
… to investigate many different plant-based extracts for use in food and in the treatment and prevention of disease. The objectives of this research were (1) to use ORAChromatography to identify peanut root extract fractions with high antioxidant capacity, (2) identification of compounds in …
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Anti-aging potential of some freshwater microalgae extracts
… anti- aging potential of freshwater microalgal extracts. Freshwater samples collected from the University of Zululand environment were enriched with BG-11 and cultured under UV illumination. Out of the ten (10) pure colonies isolated from the culture and characterised through 16s RNA, …
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Anticancer activity of Lovage (Levisticum officinale Koch) extracts
… The aim of this study was to prepare solvent extracts from the root of Levisticum officinale Koch (Lovage), and to assess whether they had any anticancer properties. Two human cancer cell lines were used in the anticancer screening assays (THP-1, a leukaemia cell line and MCF7, epithelial …
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Hollow Fiber Ultrafiltration of Water Extracts of Soybeans
Made available in DSpace on 2014-12-13T19:47:44Z (GMT). No. of bitstreams: 1 7915408.pdf: 7836603 bytes, checksum: 26a67ea0454cc7053c8be0304b6ebba6 (MD5) Previous issue date: 1979
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The Isolation of Natural Products From Plant Extracts
Bioassay-guided fractionation of the ethyl acetate extract of Virola sp. (Myristicaceae) using the Sc7 yeast strain resulted in the isolation of the weakly cytotoxic biochanin A (an isoflavone compound). The bioassay of three mutant yeast strains (1138, 1104, and 1353) directed the isolation of …
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Cellular and in-vitro models to assess antioxidant activities of seaweed extracts and the potential use of the extracts as ingredients
… The antioxidant activity of crude 60% methanol extracts prepared from five Irish seaweeds, Ascophyllum nodosum, Laminaria hyperborea, Pelvetia canaliculata, Fucus vesiculosus and Fucus serratus were examined using in-vitro assays and a cell model system to determine the antioxidant activity of …
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Study of antimicrobial polymeric packaging films containing basil extracts
The quality and safety of foods may deteriorate due to the surface growth of microorganisms. The integration of antimicrobial (AM) agents in polymeric packaging films to enhance microbial stability of foods may have a crucial effect on extending the shelf life of packaged food products or on …
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The application of actinobacterial extracts for plant growth promotion
Environmental stress conditions such as drought and salinity are some of the limiting factors affecting crop yield. The frequency of these environmental stress conditions is predicted to increase with the effects of climate change over the years posing a threat to global food security. To overcome …
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Vanadium-Catalyzed Aerobic Oxidation of Diols and Lignin Models/Extracts
… for the oxidation of lignin models and lignin extracts using homogeneous catalysts based on vanadium, an inexpensive and abundant transition metal, using air as the only oxidant. Lignin models containing the most important features of lignin (e.g., β-O-4 and β-1 linkages) were initially used to …
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Electrochemical Detection of Aliphatic Sulfur Compounds in Liquid Coal Extracts
… labile organosulfur compounds in liquid coal extracts. Organosulfur compounds such as sulfides, aliphatic thiols, and disulfides were studied using reverse phase HPLC with electrochemical detection in a acetonitrile/water mobile phase. Coal samples IBC 101 and IBC 105 were extracted with THF …
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Carbon-Dioxide Fixation Into Pyruvate by Extracts of Methanobacillus Omelianskii
Made available in DSpace on 2014-12-09T22:04:11Z (GMT). No. of bitstreams: 1 6511743.pdf: 2600814 bytes, checksum: 979b152175769ddc7adbdfe3e12416ee (MD5) Previous issue date: 1965
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Some Degradative and Synthetic Reactions in Extracts of Methanobacillus Omelianskii
Made available in DSpace on 2014-12-09T22:04:11Z (GMT). No. of bitstreams: 1 6604131.pdf: 2348891 bytes, checksum: 3786eee148e1df71095b079dec9dd6cb (MD5) Previous issue date: 1965
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Terminal Oxidation in Cell-Free Extracts of Plant Pathogenic Fungi
Made available in DSpace on 2014-12-05T20:30:13Z (GMT). No. of bitstreams: 1 6200589.pdf: 3809775 bytes, checksum: a3d652e7725054bb711c77740371eb2e (MD5) Previous issue date: 1961
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Amphotericin B extracts ergosterol faster than fungi can make it
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-05-01
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