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Hazardous Waste: Waste products which, upon release into the atmosphere, water or soil, cause health risks to humans or animals through skin contact, inhalation or ingestion. Hazardous waste sites which contain hazardous waste substances go here.

Proper Waste Disposal

JoVE 10403

Robert M. Rioux and Taslima A. Zaman, Pennsylvania State University, Pennsylvania, PA



Users are responsible for the proper disposal of the waste generated during their work. Improper waste disposal may severely endanger public health and/or the environment. The handling of hazardous waste must be regulated from the moment of…

 Lab Safety

Energy Dynamics - Student Protocol

JoVE 10578

Caterpillar Energy Dynamics
NOTE: In this lab you will grow caterpillars in conditions with and without food to examine the transfer of biomass in a typical trophic system.
Weigh and record the wet mass of enough leaves of cabbage to line the bottom of a plastic tub.
Then, collect two batches of five caterpillars from their cabbage habitat,…

 Lab Bio

Handling Chemical Spills

JoVE 10371

Source: Robert M. Rioux & Taslima Zaman, Pennsylvania State University, University Park, PA


Since chemicals are commonly used for laboratory research purposes, it is extremely important to be adequately prepared to handle chemical spills or accidental release of hazardous chemicals, which can happen at any time. No matter how minor a…

 Lab Safety

Working with Hot and Cold Sources

JoVE 10366

Source: Robert M. Rioux & Suprita Jharimune, Pennsylvania State University, University Park, PA


Working with extreme temperatures, both high and low, is an integral part of many laboratory operations. For many, mentioning a laboratory instantly evokes the mental picture of a Bunsen burner. Bunsen burners and hot plates are used…

 Lab Safety

Proper Personal Protective Equipment

JoVE 10402

Robert M. Rioux & William A Elliott, Pennsylvania State University, University Park, PA


Hazards are many and varied in the laboratory, but the right choice of PPE can make the laboratory a safe place to work.

 Lab Safety

X-ray Fluorescence (XRF)

JoVE 5498

Source: Laboratory of Dr. Lydia Finney — Argonne National Laboratory


X-ray fluorescence is an induced, emitted radiation that can be used to generate spectroscopic information. X-ray fluorescence microscopy is a non-destructive imaging technique that uses the induced fluorescence emission of metals to identify and quantify their…

 Analytical Chemistry

Fabrication of Ti3C2 MXene Microelectrode Arrays for In Vivo Neural Recording

1Department of Bioengineering, University of Pennsylvania, 2Center for Neuroengineering and Therapeutics, University of Pennsylvania, 3Corporal Michael J. Crescenz Veterans Affairs Medical Center, 4Department of Materials Science and Engineering, Drexel University, 5A.J. Drexel Nanomaterials Institute, Drexel University, 6Department of Neurosurgery, University of Pennsylvania, 7Department of Neurology, University of Pennsylvania, 8Department of Physical Medicine and Rehabilitation

JoVE 60741

 Bioengineering

Isolation, Fixation, and Immunofluorescence Imaging of Mouse Adrenal Glands

1Department of Internal Medicine (Division of Metabolism, Endocrinology, and Diabetes), University of Michigan Health System, 2Department of Cell and Developmental Biology, University of Michigan Health System, 3Department of Molecular and Integrative Physiology, University of Michigan Health System, 4Endocrine Oncology Program, University of Michigan Health System, 5Comprehensive Cancer Center, University of Michigan Health System

JoVE 58530

 Immunology and Infection

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

 Biology

Inducing Hairy Roots by Agrobacterium rhizogenes-Mediated Transformation in Tartary Buckwheat (Fagopyrum tataricum)

1Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, 2Artemisinin Research Center, China Academy of Chinese Medical Sciences, 3College of Life Science, Huaibei Normal University, 4Economic Crop Research Institute Sichuan Academy of Agriculture Sciences, 5Research Center of Buckwheat Industry Technology, Guizhou Normal University

Video Coming Soon

JoVE 60828

 JoVE In-Press

Analysis of Iophenoxic Acid Analogues in Small Indian Mongoose (Herpestes Auropunctatus) Sera for Use as an Oral Rabies Vaccination Biological Marker

1US Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, 2IDT Biologika GmbH, Am Pharmapark

JoVE 59373

 Immunology and Infection

Analysis of Chromosome Segregation, Histone Acetylation, and Spindle Morphology in Horse Oocytes

1Department of Health, Animal Science and Food Safety, University of Milan, 2IRCCS. Istituto Ortopedico Galeazzi, 3PRC, CNRS, IFCE, Université de Tours, INRA, 4PAO, INRA, 5Clinique des Animaux de Compagnie et des Équidés, Université de Liège, 6University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania

JoVE 55242

 Developmental Biology

Measuring G-protein-coupled Receptor Signaling via Radio-labeled GTP Binding

1The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, 2Department of Neurology and neurosurgery, Johns Hopkins University School of Medicine, 3Departments of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, 4Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine

JoVE 55561

 Biochemistry

Human Lung Dendritic Cells: Spatial Distribution and Phenotypic Identification in Endobronchial Biopsies Using Immunohistochemistry and Flow Cytometry

1Immunology and Allergy Unit, Department of Medicine Solna, Karolinska Institutet, 2Division of Medicine, Department of Public Health and Clinical Medicine, Umeå University, 3Divison of Infectious Diseases, Department of Clinical Microbiology, Umeå University

JoVE 55222

 Immunology and Infection
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