Search for dissertations about: "ionic channels"

Showing result 1 - 5 of 29 swedish dissertations containing the words ionic channels.

  2. 1. Ionic modulators of stem cell state

    Author : Anna Omelyanenko; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Tissue generation during development and maintenance throughout life relies on the proliferation and sequential specification of a group of cells. Stem cells are defined by the properties of self-renewal (division to produce daughter cells equipotent to the mother) and differentiation (division where at least one daughter is of a more restricted potential). READ MORE

  4. 2. A-type Potassium Channels in Dendritic Integration : Role in Epileptogenesis

    Author : Jenny Tigerholm; Erik Fransén; Fredrik Elinder; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; epileptogenesis; fast ripples; synchronicity; dendritic potentials; transient A–type potassium current; KV 4.2; Computer and systems science; Data- och systemvetenskap;

    Abstract : During cognitive tasks, synchronicity of neural activity varies and is correlated with performance. However, there may be an upper limit to normal synchronised activity – specifically, epileptogenic activity is characterized byexcess spiking at high synchronicity. READ MORE

  5. 3. Voltage sensor movements in shaker and HCN channels

    Author : Roope Männikkö; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Voltage-gated ion channels are crucial for electrical signaling in living organisms. They are composed of four similar subunits with six transmembrane α-helices, S1-S6. Each subunit contains a voltage-sensing domain, S1-S4, and an ion-conducting pore domain, S5-S6. READ MORE

  6. 4. Ordering in Crystalline Short-Chain Polymer Electrolytes

    Author : Anti Liivat; Joseph Nordgren; Josh Thomas; Daniel Brandell; David Brown; Uppsala universitet; []
    Keywords : Atomic and molecular physics; polymer electrolytes; molecular dynamics; ionic conductivity; crystalline ordering; polymer chain length; smectic; nematic; Atom- och molekylfysik;

    Abstract : Polymer electrolytes are the most obvious candidates for safe "all-solid" Li-ion batteries and other electrochemical devices. However, they still have relatively poor ionic conductivities, which limits their wider adoption in commercial applications. READ MORE

  7. 5. Electrochemical investigations on lipid cubic phases

    Author : Mohammad Yaser Khani Meynaq; Britta Lindholm-Sethson; Solomon Tesfalidet; Ehud M. Landau; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Monoolein; Electrochemical Impedance Spectroscopy; lipid cubic phase; ionic interaction; biofuel cell; fysikalisk kemi; Physical Chemistry;

    Abstract : Electrochemical Impedance Spectroscopy (EIS) was used to develop a novel methodology for studying ionic interaction with lipids arranged in a lipid cubic phase (LCP). Studying different types of ions, both cations and anions, validated the method. READ MORE