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 JoVE Bioengineering

Correlative Light- and Electron Microscopy Using Quantum Dot Nanoparticles

1South Western Sydney Clinical School, Faculty of Medicine, University of New South Wales Australia, 2School of Medicine, Western Sydney University, 3Correlative Microscopy Group, Ingham Institute for Applied Medical Research, 4Electron Microscopy Laboratory, Department of Anatomical Pathology, Sydney South West Pathology Service, New South Wales Health Pathology, 5School of Medical Sciences, Faculty of Medicine, University of New South Wales Australia


JoVE 54307

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 Science Education: Essentials of Environmental Microbiology

Detection of Bacteriophages in Environmental Samples

JoVE Science Education

Source: Laboratories of Dr. Ian Pepper and Dr. Charles Gerba - Arizona University
Demonstrating Author: Alex Wassimi

Viruses are a unique group of biological entities that infect both eukaryotic and prokaryotic organisms. They are obligate parasites that have no metabolic capacity, and in order to replicate, rely on host metabolism to produce viral parts that self-assemble inside host cells. Viruses are ultramicroscopic—too small to be viewed with the light microscope, visible only with the greater resolution of the electron microscope. A viral particle consists of a nucleic acid genome, either DNA or RNA, surrounded by a protein coat, known as a capsid, composed of protein subunits or capsomers. In some more complex viruses, the capsid is surrounded by an additional lipid envelope, and some have spike-like surface appendages or tails. Viruses that infect the intestinal tract of humans and animals are known as enteric viruses. They are excreted in feces and can be isolated from domestic wastewater. Viruses which infect bacteria are known as bacteriophages, and those which infect coliform bacteria are called coliphages (Figure 1). The phages of coliform bacteria are found anywhere coliform bacteria are found.

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 JoVE Developmental Biology

Rearing the Fruit Fly Drosophila melanogaster Under Axenic and Gnotobiotic Conditions

1Department of Plant and Wildlife Sciences, Brigham Young University, 2Department of Entomology, Cornell University, 3Department of Molecular Biology and Genetics, Cornell University, 4Division of Infectious Diseases, Boston Children's Hospital, Harvard Medical School, 5Biological Sciences, SUNY Oswego


JoVE 54219

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 JoVE Bioengineering

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2

1Jülich Centre for Neutron Science Outstation at MLZ, Forschungszentrum Jülich GmbH, 2Department of Chemistry, Louisiana State University, 3Jülich Centre for Neutron Science JCNS-1 & Institute of Complex Systems ICS-1, Forschungszentrum Jülich GmbH, 4Central Institute of Engineering, Electronics and Analytics — Electronic Systems (ZEA-2), Forschungszentrum Jülich GmbH, 5Central Institute of Engineering, Electronics and Analytics — Engineering and Technology (ZEA-1), Forschungszentrum Jülich GmbH


JoVE 54639

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 JoVE Biology

Preparation, Imaging, and Quantification of Bacterial Surface Motility Assays

1Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, 2Eck Institute for Global Health, University of Notre Dame, 3Department of Applied and Computational Mathematics and Statistics, University of Notre Dame, 4INRS-Institut Armand-Frappier, 5Department of Biology, Indiana University, 6Department of Biological Sciences, University of Notre Dame


JoVE 52338

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 JoVE In-Press

Induction of Mesenchymal-Epithelial Transitions in Sarcoma Cells

1Department of Medicine, Duke University, 2Department of Bioengineering, Rice University, 3Department of Molecular Genetics and Microbiology, Duke University, 4Solid Tumor Program and the Duke Prostate Center, Duke University Medical Center, 5Duke University Medical Center

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JoVE 55520

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 JoVE In-Press

Real-time Iontophoresis with Tetramethylammonium to Quantify Volume Fraction and Tortuosity of Brain Extracellular Space

1Department of Medicine, University of Virginia, 2Department of Cell Biology, Neural and Behavioral Science Graduate Program, SUNY Downstate Medical Center, 3Division of Neonatology, University of Virginia, 4Department of Neuroscience and Physiology, New York University School of Medicine, 5Department of Cell Biology, SUNY Downstate Medical Center

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JoVE 55755

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 JoVE Bioengineering

Techniques for the Evolution of Robust Pentose-fermenting Yeast for Bioconversion of Lignocellulose to Ethanol

1Bioenergy Research Unit, National Center for Agricultural Utilization Research, 2Mycotoxin Prevention and Applied Microbiology Research Unit, National Center for Agricultural Utilization Research, 3Chemical Engineering and Material Science, Great Lakes Bioenergy Center, Michigan State University


JoVE 54227

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