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Pregnancy Tests: Tests to determine whether or not an individual is pregnant.
 JoVE Developmental Biology

Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings

1Département de sciences cliniques, CHUV, Université de Montréal, St-Hyacinthe, QC, 2Département d'obstetriques et de gynécologie, CHU Ste-Justine Research Centre, Université de Montréal, 3Département de neurosciences, CHU Ste-Justine Centre de recherche, Université de Montréal, 4Centre de recherche en reproduction animale (CRRA), Université de Montréal, St-Hyacinthe, QC


JoVE 52581

 JoVE In-Press

The Production of Pluripotent Stem Cells from Mouse Amniotic Fluid Cells Using a Transposon System

1Stem Cell and Regenerative Medicine Laboratory, Fondazione Istituto di Ricerca Pediatrica Citta della Speranza, 2Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, 3Stem Cells and Regenerative Medicine Section, Developmental Biology and Cancer Programme, UCL Institute of Child Health and Great Ormond Street Hospital

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JoVE 54598

 JoVE Immunology and Infection

Cutaneous Leishmaniasis in the Dorsal Skin of Hamsters: a Useful Model for the Screening of Antileishmanial Drugs

1Program for the Study and Control of Tropical Diseases -PECET-School of Medicine, University of Antioquia, 2School of Agrarian Sciences, University of Antioquia


JoVE 3533

 Science Education: Basic Methods in Cellular and Molecular Biology

The ELISA Method

JoVE Science Education

An enzyme-linked immunosorbent assay (ELISA) is typically performed to detect the presence and/or amount of a target protein of interest within an experimental sample. Detection of the target protein is made possible by antibodies, which make the ELISA an immunoassay. Through a series of incubation and washing steps, these antibodies, which are frequently linked, or conjugated, to an enzyme, will detect protein coating the bottom of a well on a microtiter plate. When exposed to a substrate, antibody-bound enzyme will cause a color change, thereby indicating the presence of the protein-of-interest in the sample. In this video, the theory behind how ELISAs work is explained, including a discussion of both primary and secondary antibody binding and the importance of blocking steps. Theory is followed by practice, as the video progresses to an explanation of the step-by-step procedure. Finally, variations of the standard ELISA such as the sandwich and competitive ELISAs are introduced, and real world applications of this method, such as in over-the-counter pregnancy tests are explained.

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 JoVE Immunology and Infection

Isolation of Leukocytes from the Human Maternal-fetal Interface

1Perinatology Research Branch, NICHD/NIH/DHHS, 2Department of Obstetrics and Gynecology, University of Michigan, 3Department of Epidemiology and Biostatistics, Michigan State University, 4Department of Molecular Obstetrics and Genetics, Wayne State University, 5Department of Obstetrics and Gynecology, Wayne State University School of Medicine, 6Department of Immunology and Microbiology, Wayne State University School of Medicine


JoVE 52863

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 JoVE Immunology and Infection

Isolation of Leukocytes from the Murine Tissues at the Maternal-Fetal Interface

1Department of Obstetrics & Gynecology, Wayne State University School of Medicine, 2School of Paediatrics and Reproductive Health, Research Centre for Reproductive Health, the Robinson Research Institute, The University of Adelaide, 3Department of Immunology & Microbiology, Wayne State University School of Medicine, 4Perinatology Research Branch, NICHD/NIH/DHHS


JoVE 52866

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 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

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 JoVE Bioengineering

Determination of the Transport Rate of Xenobiotics and Nanomaterials Across the Placenta using the ex vivo Human Placental Perfusion Model

1Department of Obstetrics, Perinatal Pharmacology, University Hospital Zurich, 2Laboratory for Materials - Biology Interactions, EMPA Swiss Federal Laboratories for Materials Testing and Research, 3Graduate School for Cellular and Biomedical Sciences, University of Bern


JoVE 50401

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 Science Education: Essentials of Lab Animal Research

Fundamentals of Breeding and Weaning

JoVE Science Education

Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN

Millions of mice and rats are bred for use in biomedical research each year. Worldwide, there are several large commercial breeding facilities that supply mice to research laboratories, but many facilities choose to also breed mice and rats in-house to reduce costs and increase research options. When breeding in the animal facility, researchers are able to manipulate the genetics of the animals, time the pregnancies to meet the needs of the research, and work with embryos and neonates as required. Mice and rats can be bred in a variety of schemes and methods. Technical procedures, such as the use of vaginal cytology, visualization of the vaginal area, and observation of copulatory plugs, have been developed to assist with the synchronization of breeding to correspond to research requirements. This manuscript is an overview of the basic fundamentals of mouse and rat breeding and technical procedures used. More detailed descriptions of the complex breeding schemes, and the full description of the methods for vaginal cytology, are available in the list of references.

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 JoVE Immunology and Infection

Human Placental and Decidual Organ Cultures to Study Infections at the Maternal-fetal Interface

1Benioff Children’s Hospital, 2Department of Pathology, University of California, San Francisco, 3Center for Reproductive Sciences and Department of Obstetrics, University of California, San Francisco, 4Program in Microbial Pathogenesis and Host Defense, University of California, San Francisco, 5Biomedical Sciences Program, University of California, San Francisco


JoVE 54237

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 JoVE Behavior

Vision Training Methods for Sports Concussion Mitigation and Management

1Neurology and Rehabilitative Medicine, University of Cincinnati, 2Division of Sports Medicine, Department of Orthopaedic Surgery, University of Cincinnati, 3Department of Athletics, University of Cincinnati, 4Department of Neurosurgery, University of Cincinnati, 5College of Education, Criminal Justice, and Human Services, University of Cincinnati, 6Division of Sports Medicine, Cincinnati Children's Hospital Medical Center


JoVE 52648

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 JoVE Immunology and Infection

A RAPID Method for Blood Processing to Increase the Yield of Plasma Peptide Levels in Human Blood

1Charité Center for Internal Medicine and Dermatology, Division General Internal and Psychosomatic Medicine, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, 2Department of Internal Medicine, Institute of Neurogastroenterology and Motility, Martin-Luther Hospital, Academic Teaching Institution of Charité Universitätsmedizin Berlin, 3Department of Hepatology and Gastroenterology, Molecular Cancer Research Center (MKFZ), Campus Virchow-Klinikum, Charité-Universitätsmedizin Berlin


JoVE 53959

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