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Disposable Equipment: Apparatus, devices, or supplies intended for one-time or temporary use.
 JoVE Bioengineering

Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device

1Department of Biomedical Engineering, The University of Texas at Austin, 2Wyss Institute for Biologically Inspired Engineering at Harvard University, 3Vascular Biology Program, Boston Children's Hospital, Harvard Medical School, 4John A. Paulson School of Engineering and Applied Sciences, Harvard University


JoVE 54344

 JoVE Bioengineering

Rapid and Low-cost Prototyping of Medical Devices Using 3D Printed Molds for Liquid Injection Molding

1Department of Bioengineering & Therapeutic Sciences, University of California, San Francisco, 2Department of Obstetrics, Gynecology & Reproductive Sciences, University of California, San Francisco, 3Keck School of Medicine, University of Southern California


JoVE 51745

 Science Education: Essentials of Lab Animal Research

Considerations for Rodent Surgery

JoVE Science Education

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

The Guide for the Care and Use of Laboratory Animals1 dictates that rodent survival surgery be performed aseptically. Aseptic technique utilizes specific practices that minimize the contamination of the surgical site, including patient preparation, surgeon preparation, sterilization of instruments and other supplies, and the use of a clean and controlled environment. Presurgical planning, intraoperative monitoring, and postoperative care are essential for successful recovery of animals from survival surgeries.

 JoVE Neuroscience

Lineage-reprogramming of Pericyte-derived Cells of the Adult Human Brain into Induced Neurons

1Department of Physiological Genomics, Institute of Physiology, Ludwig Maximilians University Munich, 2Tumor Biology Lab, Neurosurgical Clinic, Ludwig-Maximilians University Munich, 3Institut für Biochemie, Emil-Fischer-Zentrum, Friedrich-Alexander-Universität Erlangen-Nürnberg, 4Institute of Physiological Chemistry and Focus Program Translational Neuroscience, Johannes Gutenberg University Mainz


JoVE 51433

 JoVE Chemistry

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids (BPCA)

1Department of Geography, University of Zurich, 2Department of Earth and Ocean Sciences, University of South Carolina, 3Department of Earth Sciences, ETH Zurich, 4Laboratory of Ion Beam Physics, ETH Zurich, 5Department of Geological Sciences, Stockholm University


JoVE 53922

 JoVE Bioengineering

Biofunctionalized Prussian Blue Nanoparticles for Multimodal Molecular Imaging Applications

1The Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Medical Center, 2Fischell Department of Bioengineering, University of Maryland, 3Department of Radiology, George Washington University, 4Department of Pediatrics, George Washington University


JoVE 52621

 JoVE Environment

Colorimetric Paper-based Detection of Escherichia coli, Salmonella spp., and Listeria monocytogenes from Large Volumes of Agricultural Water

1Department of Animal Science, University of Wyoming, 2Department of Chemistry, Colorado State University, 3Department of Environmental and Radiological Health Sciences, Colorado State University, 4Department of Animal Sciences, Colorado State University, 5Department of Plant Sciences, University of California, Davis, 6Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, 7Department of Food Science and Agricultural Chemistry, McGill University


JoVE 51414

 JoVE Environment

Extraction and Analysis of Microbial Phospholipid Fatty Acids in Soils

1Department of Renewable Resources, University of Alberta, 2Department of Science, Augustana Faculty, University of Alberta, 3Laboratoire Génie Civil et géo-Environnement, Université de Lille, 4Department of Earth and Environmental Sciences, Mount Royal University, 5Forest Ecology & Production, Great Lakes Forestry Centre, Natural Resources Canada


JoVE 54360

 Science Education: Essentials of Lab Animal Research

Basic Care Procedures

JoVE Science Education

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

Mice and rats account for over 90% of the animals used for biomedical research. The proper care of these research animals is critical to the outcome of experiments. There are general procedures that apply to the majority of these mice and rats, but some of the animals, such as the immunocompromised ones, require additional steps to be taken to sustain them for experimentation. Commonly used immunocompromised mice include those that have naturally occurred in inbred mice and those that have been created through genetic engineering. The first immunocompromised mice used in research were "nude" mice. The BALB/c Nude (nu) mouse was discovered in 1966, within a BALB/c colony that was producing mice lacking both hair and a thymus. These athymic mice have an inhibited immune system that is devoid of T cells. The value of this animal was soon discovered for the use in studies of microbial infections, immune deficiencies, and autoimmunity. Although not as commonly used as the nude mouse, there is also a nude rat. The nude rat is T cell deficient and shows depleted cell populations in thymus-dependent areas of peripheral lymphoid organs. Another naturally occurring immune deficient mouse is the severe comb

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