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Nuclear Fusion02:45

Nuclear Fusion

The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons.
A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
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Analysis of SNARE-mediated Membrane Fusion Using an Enzymatic Cell Fusion Assay09:19

Analysis of SNARE-mediated Membrane Fusion Using an Enzymatic Cell Fusion Assay

We have developed a cell fusion assay that quantifies SNARE-mediated membrane fusion events by activated expression of...
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Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells10:21

Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells

Here detailed protocols for culturing the murine myeloid precursor 32D/G-CSF-R cell line, performing viral infections, and carrying out proliferation and differentiation assays are presented. This cell line is suitable for studying myeloid cell development, and the role of genes of interest in myeloid cell growth and neutrophilic...
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Culture of myeloid dendritic cells from bone marrow precursors06:39

Culture of myeloid dendritic cells from bone marrow precursors

This video demonstrates the procedure for differentiating myeloid dendritic cells from mouse bone marrow. Isolation of mouse tibia and femur, and processing of bone marrow are demonstrated. Pictures demonstrating cell morphology before and after differentiation, and figures depicting cell phenotype and IL-12 production following maturation using CpG are...
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Identification and Isolation of Oligopotent and Lineage-committed Myeloid Progenitors from Mouse Bone Marrow07:21

Identification and Isolation of Oligopotent and Lineage-committed Myeloid Progenitors from Mouse Bone Marrow

We demonstrate how to identify and isolate 6 subsets of myeloid progenitors from murine bone marrow using a combination of magnetic and fluorescence sorting (MACS and FACS). This protocol can be used for in vitro culture assays (methylcellulose or liquid cultures), in vivo adoptive transfer experiments, and RNA/protein...
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Tagging and Fusion Proteins01:24

Tagging and Fusion Proteins

Proteins are involved in several cellular processes and biochemical reactions. Analyzing a specific protein of interest requires it to be isolated from the other proteins in the cell. This is achieved by overexpressing the specific gene in a suitable host to produce large quantities of the target protein. A tag or label is recombined with the gene to produce a fusion protein containing the target protein and the tag. The tags on these fusion proteins can then be used for easy detection and...
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