Search for dissertations about: "A Non-Toxic Environment"

Showing result 1 - 5 of 14 swedish dissertations containing the words A Non-Toxic Environment.

  2. 1. Risk assessment of chemical mixtures in the aquatic environment

    Author : Mikael Gustavsson; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Chemical mixtures; Risk assessment; Pesticides; Industrial chemicals; REACH; Chemical monitoring;

    Abstract : The total chemical production within the European Union amounts to more than 300 million tonnes per year, of which 140 million tonnes are considered as hazardous to the environment. In order to ensure that these chemicals do not have harmful effects under normal use, likely environmental concentrations are compared to assumed environmentally safe concentration, and only if the resulting risk is deemed acceptable is the product or chemical allowed for use. READ MORE

  4. 2. Probing Atomic Scale Structure and Catalytic Properties of Cobalt Oxide Model Catalysts

    Author : Alif Arman; Synkrotronljusfysik; []
    Keywords : catalysis; model systems; Co3O4 111 ; Co3O4 100 ; CoO 111 ; X-ray photoelectron spectroscopy; Scanning tunneling microscopy; Fysicumarkivet A:2017:Arman;

    Abstract : Cobalt oxides are known to be active catalysts for a number of chemical reactions, but very little is known about the atomic scale processesresponsible for the activity. The research presented in this thesis is focused on obtaining an atomic scale understanding of the chemistry of wellcharacterizedcobalt oxide model catalyst surfaces consisting of pristine and defective CoO and Co3O4 thin films with the (111) and (100)terminations supported by Ag(100), Ir(100), and Au(111) single crystal surfaces. READ MORE

  5. 3. Structures, toxicity and internalization of cell-penetrating peptides

    Author : Emelía Eiríksdóttir; Ülo Langel; Michael Gait; Stockholms universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; CPP; cell-penetrating peptide; internalization; toxicity; structures; Neurochemistry; Neurokemi; neurokemi med molekylär neurobiologi; Neurochemistry with Molecular Neurobiology;

    Abstract : Cellular internalization is a highly regulated process controlled by proteins in the plasma membrane. Large and hydrophilic compounds, in particular, face difficulties conquering the plasma membrane barrier in order to gain access to intracellular environment. This puts serious constrains on the drug industry since many drugs are hydrophilic. READ MORE

  6. 4. An NADH-Coupled Biosensor for Engineering Redox Metabolism in Saccharomyces cerevisiae

    Author : Jan Knudsen; Teknisk mikrobiologi; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Yeast; redox balance; glycerol whole-cell biocatalysis; single-cell monitoring; FACS;

    Abstract : Baker’s yeast, Saccharomyces cerevisiae’s potential in industrial biotechnology for producing valuable products e.g. biofuels, bulk chemicals, bio-flavours and pharmaceuticals is established. READ MORE

  7. 5. Designing Polymers for Biological Interfaces - From Antifouling to Drug Delivery

    Author : Pontus Lundberg; Michael Malkoch; Anders Hult; Scott M. Grayson; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Surface and colloid chemistry; Yt- och kolloidkemi;

    Abstract : Unspecific interactions, at the interface between a synthetic material and an aqueous biological environment, leading to irreversible protein adsorption can cause to undesired consequences. These include fouling of a boat hull or a triggered immune response. READ MORE