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October, 2006
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Biological Assay: A method of measuring the effects of a biologically active substance using an intermediate in vivo or in vitro tissue or cell model under controlled conditions. It includes virulence studies in animal fetuses in utero, mouse convulsion bioassay of insulin, quantitation of tumor-initiator systems in mouse skin, calculation of potentiating effects of a hormonal factor in an isolated strip of contracting stomach muscle, etc.

Key Elements of Photo Attraction Bioassay for Insect Studies or Monitoring Programs

1Arthropod-Borne Animal Diseases Research Unit, Center for Grain and Animal Health Research, Agricultural Research Service, United States Department of Agriculture, 2Center for Medical, Agricultural, and Veterinary Entomology, Agricultural Research Service, United States Department of Agriculture, 3Bayer

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JoVE 57445

 JoVE In-Press

Bone Conditioned Medium: Preparation and Bioassay

1Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, 2Laboratory of Oral Cell Biology, School of Dental Medicine, University of Bern, 3Department of Oral and Maxillofacial Surgery, School of Dental Medicine, Universitat Internacional de Catalunya, 4Robert K. Schenk Laboratory of Oral Histology, School of Dental Medicine, University of Bern, 5Department of Cranio Maxillofacial Surgery, Inselspital, University of Bern, 6Department of Implant Dentistry, School of Dentistry, Universidade Federal de Santa Catarina

JoVE 52707


Detection of Human Leukocyte Antigen Biomarkers in Breast Cancer Utilizing Label-free Biosensor Technology

1Experimmune, A Center for Immunotherapeutic Development, Department of Immunotherapeutics and Biotechnology, Texas Tech University Health Sciences Center, 2Resonant Sensors Incorporated, 3University of Texas Arlington

JoVE 52159

 Immunology and Infection

Ecotoxicological Method with Marine Bacteria Vibrio anguillarum to Evaluate the Acute Toxicity of Environmental Contaminants

1Institute for Environmental Protection and Research (ISPRA), Rome (Italy), 2Department of Biology, Tor Vergata University, Rome (Italy), 3Department of Biology and Evolution of Marine Organisms, Stazione Zoologica, Anton Dohrn, Naples (Italy)

JoVE 55211


Ultrasound Assessment of Flow-Mediated Dilation of the Brachial and Superficial Femoral Arteries in Rats

1Department of Internal Medicine, University of Utah, 2Department of Kinesiology and Health Education, University of Texas at Austin, 3Division of Nephrology and Hypertension, University of Utah, 4Department of Biochemistry, University of Utah, 5Department of Exercise and Sport Science, University of Utah, 6Geriatric Research Education and Clinical Center, Department of Veterans Affairs

JoVE 54762


A Cell Free Assay System Estimating the Neutralizing Capacity of GM-CSF Antibody using Recombinant Soluble GM-CSF Receptor

1Bioscience Medical Research Center, Niigata University Medical and Dental Hospital, 2First department of Internal Medicine, School of Medicine, Kyorin University, 3Neosilk Laboratory, Immuno Biological Laboratories Co., Ltd.

JoVE 2742

 Immunology and Infection

Assessing Transmissible Spongiform Encephalopathy Species Barriers with an In Vitro Prion Protein Conversion Assay

1USGS National Wildlife Health Center, 2Department of Soil Science, University of Wisconsin–Madison, 3Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 4Merial Veterinary Scholars Program, School of Veterinary Medicine, University of Wisconsin–Madison, 5Department of Neurology, University of British Columbia

JoVE 52522


Protocols for Investigating the Host-tissue Distribution, Transmission-mode, and Effect on the Host Fitness of a Densovirus in the Cotton Bollworm

1State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, 2Tobacco Research Institute, Chinese Academy of Agricultural Sciences, 3Crop and Environment Sciences, Harper Adams University

JoVE 55534

 Immunology and Infection

Forskolin-induced Swelling in Intestinal Organoids: An In Vitro Assay for Assessing Drug Response in Cystic Fibrosis Patients

1Foundation Hubrecht Organoid Technology, 2Department of Pediatric Pulmonology, Regenerative Medicine Centre Utrecht, Wilhelmina Children's Hospital, University Medical Centre Utrecht, 3Department of Stem Cells and Cancer, Walter and Eliza Hall Institute of Medical Research, 4Hubrecht Institute for Developmental Biology and Stem Cell Research, University Medical Centre Utrecht

JoVE 55159


Detecting Estrogenic Ligands in Personal Care Products using a Yeast Estrogen Screen Optimized for the Undergraduate Teaching Laboratory

1Department of Biology, University of the South, 2School of Biological Sciences, Louisiana Tech University, 3School of Medicine, Louisiana State University Health Sciences Center, 4Department of Biology, Furman University, 5Department of Computer Science, Louisiana Tech University, 6Clemson University

JoVE 55754


Development and Validation of an Ultrasensitive Single Molecule Array Digital Enzyme-Linked Immunosorbent Assay for Human Interferon-α

1Immunobiology of Dendritic Cells, Institut Pasteur, 2INSERM U1223, 3Laboratory of Neurogenetics and Neuroinflammation, INSERM UMR1163, Institut Imagine, 4MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, 5Manchester Centre for Genomic Medicine, University of Manchester

Video Coming Soon

JoVE 57421

 JoVE In-Press

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