Sökning: "fungal activity"

Visar resultat 1 - 5 av 70 avhandlingar innehållade orden fungal activity.

  1. 1. Studies of New Bioactive Fungal Metabolites

    Detta är en avhandling från Rudong Shan, Organic Chemistry 2, Lund Institute of Technology, Center for Chemistry and Chemical Engineering, P. O. Box 124, S-221 00 Lund, Sweden

    Författare :Rudong Shan; [1996]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; papyracillic acid; lachnumon; mycorrhizin; nematicidal and antimicrobial activity; Lachnum papyraceum; triprenyl phenols; Albatrellus ovinus; dopamine D1 receptor; salicylic acid derivatives; TBPS binding; GABAA receptor; Fungal metabolites; CNS activity; Organic chemistry; Organisk kemi;

    Sammanfattning : A number of bioactive natural products have by chromatographic techniques been isolated from extracts of various fungi, and their structures have been determined by spectroscopic and chemical methods. In the screening of fungal extracts for the inhibition of the binding of various ligands to CNS receptors in rat striatal membrane preparations in vitro, bioassay-guided fractionation of extracts of the fungus HA 137-89 yielded two new inhibitors of the binding of 35S-TBPS to the brain GABAA/benzodiazepine chloride channel receptor complex. LÄS MER

  2. 2. Mould on building materials - A calorimetric study of fungal activity as a function of environmental factors

    Detta är en avhandling från Division of Building Materials, LTH, Lund University

    Författare :Yujing Li; Lund University.; Lunds universitet.; [2007]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; materiallära; byggnadsteknik; building construction; fungal activity; temperature; relative humidity; building; image analysis; indoor environment; wood; materialteknik; material technology; mould; calorimetry; isothermal calorimeter;

    Sammanfattning : Mould problems in buildings have become a growing concern during the past decades. The growth of mould fungi indoors deteriorates air quality, influences human health and causes economical losses. Preventing mould growth from occurring is a more cost effective option than cleaning and renovation of buildings with mould problems. LÄS MER

  3. 3. Calorimetric methods for the study of fungi on building materials

    Detta är en avhandling från Division of Building Materials, LTH, Lund University

    Författare :Yujing Li; Lund University.; Lunds universitet.; [2004]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; fungal growth; fungal activity; ergosterol; humidity; temperature; calorespirometry; oxygen; mätmetoder; röta; svamp; byggmaterial; påväxt; kalorimetri; microcalorimetry; isothermal calorimetry; Fungi; building materials; mould; Serpula lacrymans; rot fungi;

    Sammanfattning : The aim of this project is to study the fungal growth habits on building materials as a function of humidity, temperature and other environmental parameters. The method of calorimetry is used as a way to quantify fungal activity on building materials. LÄS MER

  4. 4. Biosynthetic and synthetic studies of the fungal metabolite galiellalactone

    Detta är en avhandling från Bioorganic Chemistry, Lund University

    Författare :Martin H Johansson; Lund University.; Lunds universitet.; [2002]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Biotechnology; Bioteknik; Organisk kemi; Organic chemistry; enzyme; mycelium; intramolecular Diels-Alder reaction; Diels-Alderase; asymmetric synthesis; biosynthesis; total synthesis; STAT3 inhibition; galiellalactone; fungal metabolite;

    Sammanfattning : Galiellalactone is a fungal metabolite found in the basidiomycetes Galiella rufa and the unidentified strain A111-95. It has been shown to possess promising activities as an inhibitor of the IL-6 mediated STAT3 signaling in HepG2 cells. LÄS MER

  5. 5. Bacterial and fungal growth in soil: The effect of temperature and substrate addition

    Detta är en avhandling från Department of Biology, Lund University

    Författare :Stephanie Reischke; Lund University.; Lunds universitet.; [2013]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Bacterial growth; Fungal growth; Respiration; Carbon loading; Glucose mineralisation; Temperature adaptation; Temperature sensitivity; Temperature dependence;

    Sammanfattning : Bacteria and fungi are the main agents in decomposition of soil organic matter. Their activity is determined by the availability and quality of substrate, especially its content of carbon, but also nitrogen and phosphorus. Other environmental factors, which affect the activity of the microbial community in soil, are temperature, moisture and pH. LÄS MER