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Viral Load: The quantity of measurable virus in a body fluid. Change in viral load, measured in plasma, is sometimes used as a Surrogate marker in disease progression.

Serial Dilutions and Plating: Microbial Enumeration

JoVE 10507

Source: Jonathan F. Blaize1, Elizabeth Suter1, and Christopher P. Corbo1
1 Department of Biological Sciences, Wagner College, 1 Campus Road, Staten Island NY, 10301


Quantitative assessment of prokaryotes can be onerous given their abundance, propensity for exponential proliferation, species diversity within a population, and specific …

 Microbiology

RNA Analysis of Environmental Samples Using RT-PCR

JoVE 10104

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


Reverse transcription-polymerase chain reaction (RT-PCR) involves the same process as conventional PCR — cycling temperature to amplify nucleic acids. However, while conventional PCR only amplifies…

 Environmental Microbiology

Establishment of Viral Infection and Analysis of Host-Virus Interaction in Drosophila Melanogaster

1The Joint Center for Infection and Immunity, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, 2CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, 3CAS Key Laboratory of Infection and Immunity (CASKLII), Institute of Biophysics, Chinese Academy of Sciences, 4Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences

JoVE 58845

 Immunology and Infection

High-throughput Detection Method for Influenza Virus

1Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, 2Department of Microbiology, Mount Sinai School of Medicine, 3Laboratory of Molecular Genetics, Blood Research Institute, 4City of Milwaukee Health Department Laboratory, 5Division of Hematology-Oncology/BMT, Children's Hospital of Wisconsin, Medical College of Wisconsin, 6Division of Hematology and Oncology, Dept Medicine, Medical College of Wisconsin

JoVE 3623

 Immunology and Infection

An Affordable HIV-1 Drug Resistance Monitoring Method for Resource Limited Settings

1Africa Centre for Health and Population Studies, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa, 2Unit D11, Jembi Health Systems, 3Academic Medical Center, Department of Global Health, Amsterdam Institute for Global Health and Development (AIGHD), University of Amsterdam, 4Division of Infectious Diseases and Geographic Medicine, Centre for AIDS Research, Stanford Medical School

JoVE 51242

 Medicine

Humanized NOG Mice for Intravaginal HIV Exposure and Treatment of HIV Infection

1Department of Clinical Medicine, Aarhus University, 2Department of Infectious Diseases, Aarhus University Hospital, 3Department of Biomedicine, Aarhus University, 4Department of Gynecology and Obstetrics, Aarhus University Hospital, 5Department of Biology, University of Nebraska at Omaha

JoVE 60723

 Immunology and Infection

Prediction of HIV-1 Coreceptor Usage (Tropism) by Sequence Analysis using a Genotypic Approach

1Institute of Virology, University of Cologne, 2Max Planck Institute for Informatics, 3Institute for Immune genetics, 4Department of Gastroenterology, Hepatology and Infectiology, University of Duesseldorf, 5Department of Dermatology, University of Essen, 6Department of Internal Medicine, University of Cologne, 7Augustinerinnen Hospital

JoVE 3264

 Immunology and Infection

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment

1Research Institute McGill University Health Centre, 2Department of Biological Sciences, Université de Québec à Montréal, 3Department of Microbiology & Immunology, McGill University, 4Department of Medicine, Division of Infectious Diseases, McGill University, 5Centre de Recherche du Centre Hospitalier de l'Université de Montréal, 6Département de microbiologie, infectiologie et immunologie, Université de Montréal

JoVE 59427

 Immunology and Infection

Detection and Genogrouping of Noroviruses from Children's Stools By Taqman One-step RT-PCR

1Laboratorio de Investigación y Desarrollo (LID), Universidad Peruana Cayetano Heredia, 2Bloomberg School of Public Health, Johns Hopkins University, 3Laboratorio de Diagnostico Molecular, Facultad de Medicina, University of Concepcion,Chile, 4University of California San Diego School of Medicine

JoVE 3232

 Medicine

A Human Blood-Brain Interface Model to Study Barrier Crossings by Pathogens or Medicines and Their Interactions with the Brain

1Institut Pasteur, CNRS UMR 3569, Unité de Neuroimmunologie Virale, 2Institut Pasteur, Unité d’Epidémiologie et de Pathophysiologie des Virus Oncogènes, Université Sorbonne Paris Cité/Paris Diderot, 3Institut Pasteur, PFIA, DTPS

JoVE 59220

 Neuroscience

Field Postmortem Rabies Rapid Immunochromatographic Diagnostic Test for Resource-Limited Settings with Further Molecular Applications

1Unit Lyssavirus Epidemiology and Neuropathology, National Reference Center for Rabies and WHO Collaborating Center for Reference and Research on Rabies, Institut Pasteur, 2Environment and Sustainability Institute, University of Exeter, Penryn Campus, 3Institut de Recherche en Elevage pour le Développement, 4Laboratoire Central Vétérinaire, 5Direction des Services Vétérinaires, 6Ecole Inter Etats de Sciences et de Médecine Vétérinaires de Dakar, 7Laboratoire Central Vétérinaire de Bingerville, Laboratoire National d'Appui au Développement Agricole Bingerville, 8FAO Reference Centre for Rabies, Istituto Zooprofilattico Sperimentale delle Venezie, 9Swiss Tropical and Public Health Institute, 10University of Basel, 11Institut National de Recherche Biomédicale

Video Coming Soon

JoVE 60008

 JoVE In-Press

Detection of Human Immunodeficiency Virus Type 1 (HIV-1) Antisense Protein (ASP) RNA Transcripts in Patients by Strand-Specific RT-PCR

1Division of Immunology and Allergy, Lausanne University Hospital, 2Department of Fundamental Neuroscience, University of Lausanne, 3Department of Biochemistry, Erasmus Medical Center, 4Theoretical Biology and Biophysics Group, Los Alamos National Laboratories, 5Department of Biochemistry, University of Lausanne

JoVE 60511

 Genetics

Measurement of BK-polyomavirus Non-Coding Control Region Driven Transcriptional Activity Via Flow Cytometry

1Department of Nephrology, University of Duisburg-Essen, University Hospital Essen, 2Institute for Virology, University of Duisburg-Essen, University Hospital Essen, 3Center for Translational Medicine, Medical Department I, Marien Hospital Herne, University Hospital of the Ruhr-University of Bochum, 4Department of Infectious Diseases, University of Duisburg-Essen, University Hospital Essen Hufelandstr

JoVE 59755

 Genetics

Detection of Viruses from Bioaerosols Using Anion Exchange Resin

1High Plains Intermountain Center for Agricultural Health and Safety, Department of Environmental and Radiological Health Sciences, Colorado State University, 2National Wildlife Research Center, Wildlife Services, Animal and Plant Health Inspection Service, United States Department of Agriculture, 3Western Sydney University, 4Leprino Foods, Inc, 5Department of Food Science and Agricultural Chemistry, McGill University, 6Department of Mechanical Engineering, Colorado State University, 7Department of Animal Science, University of Wyoming

JoVE 58111

 Environment

Dried Blood and Serum Spots As A Useful Tool for Sample Storage to Evaluate Cancer Biomarkers

1Osteoncology and Rare Tumors Center, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy, 2Unit of Biostatistics and Clinical Trials, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy, 3Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy, 4Department of Oncology, Bugando Medical Center, Mwanza, Tanzania

JoVE 57113

 Cancer Research

Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples

1National Heart and Lung Institute, Faculty of Medicine, Imperial College London, St Mary's Hospital, 2St Mary's Hospital, Imperial College Healthcare Trust

JoVE 56413

 Medicine

Systemic Delivery of MicroRNA Using Recombinant Adeno-associated Virus Serotype 9 to Treat Neuromuscular Diseases in Rodents

1Neurogenetics Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, 2Section on Nervous System Development and Plasticity, The Eunice Kennedy Shriver National Institute of Child and Human Development, National Institutes of Health, 3Department of Molecular Biosciences, Rice Institute for Biomedical Research, Northwestern University, 4Department of Physiology, Anatomy and Genetics, University of Oxford

JoVE 55724

 Genetics

Perturbations of Circulating miRNAs in Irritable Bowel Syndrome Detected Using a Multiplexed High-throughput Gene Expression Platform

1Digestive Disorders Unit, National Institute of Nursing Research, National Institutes of Health, DHHS, 2National Institutes of Health Research Scholar, Howard Hughes Medical Institute, 3Internal Medicine, Medical School, University of Michigan

JoVE 54693

 Genetics

A Rapid Strategy for the Isolation of New Faustoviruses from Environmental Samples Using Vermamoeba vermiformis

1Faculty of Medicine and Pharmacy, Research Unit for Infectious and Tropical Emerging Diseases, Aix Marseille University, 2Pole of Infectious and Tropical Diseases, Clinical and Biological Sector, Federation of Bacteriology-Hygiene Virology, University Hospital Institute Mediterranean Infection

JoVE 54104

 Immunology and Infection
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