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Ion Channels and Electrical Activity

Ion Channels and Electrical Activity

Ion Channels and Electrical Activity. The Cell Membrane is Selective. Criteria for passage through the phospholipid bilayer : Hydrophobic Net zero charge Nonpolar Size is also a consideration Chemicals that will NOT pass through the phospholipid bilayer : Hydrophillic Charged, ionic

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578 views • 47 slides
Ion Channels and Electrical Activity

Ion Channels and Electrical Activity

Ion Channels and Electrical Activity. The Cell Membrane is Selective. Criteria for passage through the phospholipid bilayer : Hydrophobic Net zero charge Nonpolar Size is also a consideration Chemicals that will NOT pass through the phospholipid bilayer : Hydrophillic Charged, ionic

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570 views • 47 slides
Ligand gated ion channels

Ligand gated ion channels

Ligand gated ion channels. Channel structure Heteropentamer 4-transmembrane pass subunits Neurotransmitter diversity Post synaptic potentials Excitatory Inhibitory Modulation. Structure. Pentameric Charged pore Cation/anion selective 4-pass monomer Cytoplasmic basket.

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597 views • 26 slides
Optogenetic regulation of Ca 2+ signaling April 15, 2013

Optogenetic regulation of Ca 2+ signaling April 15, 2013

Optogenetic regulation of Ca 2+ signaling April 15, 2013. Class objectives: What is optogenetics? Mammalian rhodopsin. Biophysics of channelrhodopsin-2. Opto- XR Optically-induced dimerization. What is optogenetics?.

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343 views • 26 slides
Psychology 3600 Action Potential Saltatory Conduction Ion Channels Membrane Currents

Psychology 3600 Action Potential Saltatory Conduction Ion Channels Membrane Currents

Psychology 3600 Action Potential Saltatory Conduction Ion Channels Membrane Currents. Myelinated Axon. Saltatory Conduction. AP Propagation/ Saltatory Conduction. http://www.blackwellscience.com/matthews/actionp.html. AP Properties. 1. Threshold 2. All-or-none 3. Frequency coding

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404 views • 22 slides

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