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American Public Health Association: Professional organization concerned with issues affecting personal and environmental health, including federal and state funding for health programs, programs related to chronic and infectious diseases, and professional education in public health.
 JoVE Medicine

Fundus Photography as a Convenient Tool to Study Microvascular Responses to Cardiovascular Disease Risk Factors in Epidemiological Studies

1Environmental Risk and Health, Flemish Institute for Technological Research (VITO), 2Centre for Environmental Sciences, Hasselt University, 3Transportation Research Institute, Hasselt University, 4Department of Public Health, Occupational and Environmental Medicine, Leuven University


JoVE 51904

 JoVE Medicine

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting

1Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, 2Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, 3Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, 4Department of Psychology, University of Illinois at Urbana-Champaign, 5Department of Epidemiology, Mailman School of Public Health, Columbia University, 6Department of Epidemiology, University of Michigan School of Public Health, 7Center for Molecular Medicine and Genetics, Wayne State University School of Medicine


JoVE 52227

 JoVE Medicine

Human Brown Adipose Tissue Depots Automatically Segmented by Positron Emission Tomography/Computed Tomography and Registered Magnetic Resonance Images

1Chemical and Physical Biology Program, Vanderbilt University, 2Department of Physical Medicine and Rehabilitation, Vanderbilt University School of Medicine, 3Radiology & Radiological Sciences, Vanderbilt University Medical Center, 4Department of Pharmacology, Vanderbilt University


JoVE 52415

 JoVE Biology

Chitosan/Interfering RNA Nanoparticle Mediated Gene Silencing in Disease Vector Mosquito Larvae

1Division of Biology, Kansas State University, 2Department of Medical and Molecular Genetics, Indiana University School of Medicine, 3Eck Institute for Global Health, University of Notre Dame, 4Department of Biological Sciences, University of Notre Dame, 5Department of Entomology, Kansas State University


JoVE 52523

 Science Education: Essentials of Environmental Microbiology

Isolation of Fecal Bacteria from Water Samples by Filtration

JoVE Science Education

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

The quality of water destined for use in agricultural, recreational, and domestic settings is of great importance due to the potential for outbreaks of waterborne disease. Microbial agents implicated in such events include parasites, bacteria, and viruses that are shed in high numbers in the feces of infected people and animals. Transmission to new and susceptible hosts may then occur via the fecal-oral route upon ingestion of contaminated water. Therefore, the ability to monitor water sources for the presence of pathogenic microorganisms is significant in order to ensure public health. Due to the sheer number and variety of potential fecal-oral pathogens that may be present in water and their variable concentrations, it is impractical and expensive to assay directly for each one of them on a regular basis. Therefore, the microbiological assays for water quality monitoring employ coliform indicator bacteria. Coliforms comprise, in part, the normal intestinal microflora of warm-blooded mammals, are non-pathogenic, and are consistently excreted in the feces. Therefore, the detection of coliform bacteria in water means that a fecal release occurred, and that harmful pathogenic m

 JoVE Immunology and Infection

Deciphering and Imaging Pathogenesis and Cording of Mycobacterium abscessus in Zebrafish Embryos

1Dynamique des Interactions Membranaires Normales et Pathologiques, CNRS, UMR 535, Université Montpellier, 2Centre d'études d'agents Pathogènes et Biotechnologies pour la Santé, CNRS, FRE 3689, Université Montpellier, 3Unité de Formation et de Recherche des Sciences de la Santé, EA3647-EPIM, Université Versailles St Quentin


JoVE 53130

 JoVE Immunology and Infection

Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 4. Medical Imaging Procedures

1Integrated Research Facility at Frederick, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH)


JoVE 53601

 JoVE Behavior

Moderate Prenatal Alcohol Exposure and Quantification of Social Behavior in Adult Rats

1Department of Psychology, University of New Mexico, 2Department of Neurosciences, University of New Mexico, 3Department of Psychiatry and Behavioral Sciences, University of New Mexico, 4Canadian Centre for Behavioural Neuroscience, University of Lethbridge


JoVE 52407

 JoVE Bioengineering

An Injectable and Drug-loaded Supramolecular Hydrogel for Local Catheter Injection into the Pig Heart

1Institute for Complex Molecular Systems, Department of Biomedical Engineering, Laboratory of Chemical Biology, Eindhoven University of Technology, 2Department of Cardiology, Division Heart and Lungs, Interuniversity Cardiology Institute of the Netherlands (ICIN), University Medical Center Utrecht


JoVE 52450

 JoVE Environment

Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor

1Bioprocesses Department, Laboratory of Environmental Biotechnology, Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, 2Laboratory of Molecular Biology, Escuela Superior de Medicina, Instituto Politécnico Nacional


JoVE 52956

 JoVE Immunology and Infection

A Quantitative Evaluation of Cell Migration by the Phagokinetic Track Motility Assay

1Department of Microbiology and Immunology, Louisiana State University Health Sciences Center, 2Center for Molecular and Tumor Virology, Louisiana State University Health Sciences Center, 3Department of Microbiology and Immunology, SUNY Upstate Medical University, 4Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center


JoVE 4165

 JoVE Medicine

In vivo Near Infrared Fluorescence (NIRF) Intravascular Molecular Imaging of Inflammatory Plaque, a Multimodal Approach to Imaging of Atherosclerosis

1Cardiovascular Research Center and Cardiology Division, Massachusetts General Hospital, Harvard Medical School, 2Institute for Biological and Medical Imaging, Helmholtz Zentrum München und Technische Universität München, 3Department of Electrical and Computer Engineering, Northeastern University


JoVE 2257

 JoVE Immunology and Infection

Optimized Protocols for Mycobacterium leprae Strain Management: Frozen Stock Preservation and Maintenance in Athymic Nude Mice

1Department of Pathology, Instituto Lauro de Souza Lima (ILSL), 2Laboratory Animal House, Instituto Lauro de Souza Lima (ILSL), 3Department of Microbiology, Instituto Lauro de Souza Lima (ILSL), 4Department of Pharmacology, Instituto Lauro de Souza Lima (ILSL)


JoVE 50620

 JoVE Medicine

A Novel Microsurgical Model for Heterotopic, En Bloc Chest Wall, Thymus, and Heart Transplantation in Mice

1Johns Hopkins University School of Medicine, 2Burn and Complex Wound Center, 3Section of Plastic and Reconstructive Surgery, University of Chicago Medical Center, 4Division of Plastic, Reconstructive, and Maxillofacial Surgery, R Adams Cowley Shock Trauma Center, 5Department of Plastic and Reconstructive Surgery, Johns Hopkins University School of Medicine, 6Vascularized Composite Allotransplantation (VCA) Lab, Johns Hopkins University School of Medicine


JoVE 53442

 JoVE Immunology and Infection

Isolation and Intravenous Injection of Murine Bone Marrow Derived Monocytes

1Department for Cardiology, Angiology and Pneumology, Otto von Guericke University Magdeburg, 2Herzzentrum Dresden, Universitätsklinikum an der Technischen Universität Dresden, Technische Universität Dresden, 3Department of Public Health and Primary Care, University of Cambridge


JoVE 52347

 Science Education: Essentials of General Chemistry

Determining the Solubility Rules of Ionic Compounds

JoVE Science Education

Source: Laboratory of Dr. Neal Abrams — SUNY College of Environmental Science and Forestry

An ionic compound's solubility can be determined via qualitative analysis. Qualitative analysis is a branch of analytical chemistry that uses chemical properties and reactions to identify the cation or anion present in a chemical compound. While the chemical reactions rely on known solubility rules, those same rules can be determined by identifying the products that form. Qualitative analysis is not typically done in modern industrial chemistry labs, but it can be used easily in the field without the need of sophisticated instrumentation. Qualitative analysis also focuses on understanding ionic and net ionic reactions as well as organizing data into a flow chart to explain observations and make definitive conclusions. Many cations have similar chemical properties, as do the anion counterparts. Correct identification requires careful separation and analysis to systematically identify the ions present in a solution. It is important to understand acid/base properties, ionic equilibria, redox reactions, and pH properties to identify ions successfully. While there is a qualitative test for virtually every elemental and polyatomic ion, the identification process typically begi

 JoVE Neuroscience

Cerebral Blood Oxygenation Measurement Based on Oxygen-dependent Quenching of Phosphorescence

1Optics Division, Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 2Department of Biochemistry and Biophysics, University of Pennsylvania, 3Neuroprotection Research Laboratory, Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, 4Departments of Neurosciences and Radiology, University of California


JoVE 1694

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