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Bacillus anthracis: A species of bacteria that causes Anthrax in humans and animals.

The Portable Chemical Sterilizer (PCS), D-FENS, and D-FEND ALL: Novel Chlorine Dioxide Decontamination Technologies for the Military

1United States Army-Natick Soldier RD&E Center, Warfighter Directorate, 2Department of Molecular Biology and Biophysics, University of Connecticut Health Center, 3Lawrence Livermore National Laboratory, 4Children's Hospital Oakland Research Institute

JoVE 4354


 Bioengineering

Non-surgical Intratracheal Instillation of Mice with Analysis of Lungs and Lung Draining Lymph Nodes by Flow Cytometry

1Department of Immunology, University of Colorado School of Medicine, 2Division of Cell Biology, Department of Pediatrics, National Jewish Health, 3Department of Microbiology, Immunology, and Pathology, Colorado State University, 4Department of Immunology, National Jewish Health

JoVE 2702


 Immunology and Infection

The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions

1Life Science Department, University of Liège, 2Institute of Condensed Matter and Nanoscience, Catholic University of Louvain, 3Laboratory of Clinical Microbiology, Catholic University of Louvain, 4Biotechnology Department, CER Group

Video Coming Soon

JoVE 55414


 JoVE In-Press

Community DNA Extraction from Bacterial Colonies

JoVE 10218

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

Traditional methods of analysis for microbial communities within soils have usually involved either cultural assays utilizing dilution and plating methodology on selective and differential media or direct count assays. Direct counts offer information about the total number of bacteria present, but give no information about the number or diversity of populations present within the community. Plate counts allow enumeration of total cultural or selected cultural populations, and hence provide information on the different populations present. However, since less than 1% of soil bacteria are readily culturable, cultural information offers only a piece of the picture. The actual fraction of the community that can be cultured depends on the medium chosen for cultural counts. Any single medium will select for the populations that are best suited to that particular medium. In recent years, the advantages of studying community DNA extracted from soil samples have become apparent. This nonculture-based approach is thought to be more representative of the actual community present than culture-based approaches. In addition to providing information about the types of populations present, this


 Environmental Microbiology

A Modified EPA Method 1623 that Uses Tangential Flow Hollow-fiber Ultrafiltration and Heat Dissociation Steps to Detect Waterborne Cryptosporidium and Giardia spp.

1National Exposure Research Laboratory, Office of Research and Development, US Environmental Protection Agency, 2Shaw Environmental & Infrastructure, 3Office of Ground Water and Drinking Water, US Environmental Protection Agency

JoVE 4177


 Immunology and Infection

Regeneration of Arrayed Gold Microelectrodes Equipped for a Real-Time Cell Analyzer

1School of Public Health, Nanjing Medical University, 2School of Pharmacy, Nanjing Medical University, 3State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing Tech University, 4Department of Medical Oncology, Jiangsu Cancer Hospital, Nanjing Medical University

Video Coming Soon

JoVE 56250


 JoVE In-Press

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 1. Biosafety Level 4 Suit Laboratory Suite Entry and Exit Procedures

1Integrated Research Facility at Frederick, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), 2Environmental Health and Safety, Biological and Chemical Safety Program, University of Texas Medical Branch

JoVE 52317


 Immunology and Infection

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Investigating the Detrimental Effects of Low Pressure Plasma Sterilization on the Survival of Bacillus subtilis Spores Using Live Cell Microscopy

1Department of Radiation Biology, Institute of Aerospace Medicine, Space Microbiology Research Group, German Aerospace Center (DLR e.V.), 2Institute of Electrical Engineering and Plasma Technology, Faculty of Electrical Engineering and Information Technology, Ruhr-University Bochum, 3Institute of Electrical Engineering and Plasma Technology, Faculty of Electrical Engineering and Information Technology, Biomedical Applications of Plasma Technology, Ruhr-University Bochum, 4Advanced Light and Electron Microscopy (ZBS 4), Robert Koch Institute

JoVE 56666


 Biology

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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


 Biology

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Induction of Invasive Transitional Cell Bladder Carcinoma in Immune Intact Human MUC1 Transgenic Mice: A Model for Immunotherapy Development

1Department of Internal Medicine, Division of Hematology and Oncology, University of California, Davis, 2Comparative Pathology Laboratory, UC Davis School of Veterinary Medicine, University of California, Davis, 3Merck Serono Research, Merck KGaA, Darmstadt, Germany

JoVE 50868


 Medicine

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