Fuel Cells
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August 31, 2006 presentation by Julie Baker and Hank Greely for the Stanford University Office of Science Outreach's Summer Science Lecture Series. Julie Baker, Assistant Professor of Genetics and Hank Greely, Professor of Law and Genetics discuss human embryonic stem cells, one of the most promising, most complicated and most controversial areas of contemporary biomedical research.
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Estrin talks about how the hurdles for self-configuring architecture are a combination of new communication architecture, semi-conductor technology that can drive low power devices, new fuel sources, and from a software perspective, new communications architecture.
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Professor Diamond continues her discussion of the nervous system beginning with a discussion of myelin-forming oligodendrocytes and Schwann cells, saltatory conduction from the nodes of ranvier, and the similarity of the function of microglia to monocytes. She moves on to describe the development of the neural tube by drawing a cross-section of the neural tube and depicting the changes it undergoes, forming the ventricles of the brain,...more
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In this lecture, Professor Diamond continues her discussion of hematology by describing the two major blood cell types, erythrocytes and leukocytes. She begins by reviewing erythrocytes (red blood corpuscles or RBCs) and their characteristics. She discusses differences between RBC counts in men and women and factors like exercise that impact RBC counts. She then contrasts the properties of erythrocytes with those of leukocytes, noting...more
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Stefan Heller is trying to create inexpensive ear drops that can cure deafness. In this short talk, Heller describes how his team of researchers at Stanford University is transplanting stem cells into the ear to "regenerate" damaged hearing cells.
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Professor Diamond continues her discussion of the nervous system beginning with processes - extensions of the soma. She describes axons, dendrites and the types of synapses: axodendritic, axoaxomic, axosomatic, and dendrodentritic. She then describes how neurotransmitters travel from the presynaptic terminal of an axon to the postsynaptic terminal of a dendrite in an axodendritic synapse. Professor Diamond continues with neuron...more
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After a discussion of electrochemical cells, Professor Sylvia Ceyer defines the points of oxidation and reduction in a battery as the anode and cathode, respectively. She discusses the application of Faraday's Law and its relationship to electrochemical cells. Finally, the relationship between cell potential and Gibbs free energy is highlighted.
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Oxygen uptake by hemoglobin in red blood cells.
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How professional antigen presenting cells present parts of engulfed pathogens on MHC II complexes (major histocompatibility complexes).
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An overview of early development of a zygote to an embryo. Embryonic and somatic stem cells.
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Simple example of borrowing from equity to fuel consumption.
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Redox reactions to drive Galvanic Cells.
