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Ethylene Oxide: A colorless and flammable gas at room temperature and pressure. Ethylene oxide is a bactericidal, fungicidal, and sporicidal disinfectant. It is effective against most micro-organisms, including viruses. It is used as a fumigant for foodstuffs and textiles and as an agent for the gaseous sterilization of heat-labile pharmaceutical and surgical materials. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p794)

Synthesis of Soft Polysiloxane-urea Elastomers for Intraocular Lens Application

1Reutlingen Research Institute, Reutlingen University, 2School of Applied Chemistry, Reutlingen University, 3Fraunhofer-Institute for Interfacial Engineering and Biotechnology IGB, 4Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart

Video Coming Soon

JoVE 58590


 JoVE In-Press

Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

1Biology and Soft Matter Division, Neutron Science Directorate, Oak Ridge National Laboratory, 2Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 3Department of Polymer Science and Engineering, Pusan National University, 4Jülich Center for Neutron Science, Forschungszentrum Jülich

JoVE 53969


 Chemistry

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer

1Department of Urology, Northwestern University Feinberg School of Medicine, 2The Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, 3Department of Pathology, Northwestern University Feinberg School of Medicine

JoVE 57301


 Cancer Research

Parallel-plate Flow Chamber and Continuous Flow Circuit to Evaluate Endothelial Progenitor Cells under Laminar Flow Shear Stress

1Department of Surgery, Duke University Medical Center, 2Department of Biomedical Engineering, Duke University, 3School of Medicine, University of Pennsylvania, 4Department of Medicine, Division of Cardiology, Duke University Medical Center

JoVE 3349


 Bioengineering

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2

1Jülich Centre for Neutron Science Outstation at MLZ, Forschungszentrum Jülich GmbH, 2Department of Chemistry, Louisiana State University, 3Jülich Centre for Neutron Science JCNS-1 & Institute of Complex Systems ICS-1, Forschungszentrum Jülich GmbH, 4Central Institute of Engineering, Electronics and Analytics — Electronic Systems (ZEA-2), Forschungszentrum Jülich GmbH, 5Central Institute of Engineering, Electronics and Analytics — Engineering and Technology (ZEA-1), Forschungszentrum Jülich GmbH

JoVE 54639


 Bioengineering

An Injectable and Drug-loaded Supramolecular Hydrogel for Local Catheter Injection into the Pig Heart

1Institute for Complex Molecular Systems, Department of Biomedical Engineering, Laboratory of Chemical Biology, Eindhoven University of Technology, 2Department of Cardiology, Division Heart and Lungs, Interuniversity Cardiology Institute of the Netherlands (ICIN), University Medical Center Utrecht

JoVE 52450


 Bioengineering

Human Cartilage Tissue Fabrication Using Three-dimensional Inkjet Printing Technology

1Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 2Stemorgan Inc., 3Institute of Advanced Study, Technical University of Munich, 4Institute of Virology, School of Medicine, Wuhan University, 5Department of Molecular and Experimental Medicine, The Scripps Research Institute, 6Research Institute for Biomedical Sciences, Tokyo University of Science

JoVE 51294


 Bioengineering

The Portable Chemical Sterilizer (PCS), D-FENS, and D-FEND ALL: Novel Chlorine Dioxide Decontamination Technologies for the Military

1United States Army-Natick Soldier RD&E Center, Warfighter Directorate, 2Department of Molecular Biology and Biophysics, University of Connecticut Health Center, 3Lawrence Livermore National Laboratory, 4Children's Hospital Oakland Research Institute

JoVE 4354


 Bioengineering

Decontamination for Laboratory Biosafety

JoVE 10399

Robert M. Rioux and Zhifeng Chen, Pennsylvania State University, University Park, PA

Decontamination is essential for laboratory biosafety, as the accumulation of microbial contamination in the laboratory can lead to the transmission of disease. The degree of decontamination can be classified as either disinfection or sterilization. Disinfection aims to eliminate all pathogenic microorganisms, with the exception of bacterial spores on lab surfaces or equipment. Sterilization, on the other hand, aims to eliminate all microbial life. Different methods are available which include chemicals, heat, and radiation, and once again depend on the degree of decontamination, as well as the concentration of the contaminating microorganisms, presence of organic matter, and type of equipment or surface to be cleaned. Each method has its advantages and cautionary measures that need to be taken to avoid hazards.


 Lab Safety

A Rat Model of Orthotopic Liver Transplantation Using a Novel Magnetic Anastomosis Technique for Suprahepatic Vena Cava Reconstruction

1Shaanxi Provincial Center for Regenerative Medicine and Surgical Engineering, First Affiliated Hospital, Xi'an Jiaotong University, 2Institute of Advanced Surgical Technology and Engineering, First Affiliated Hospital, Xi'an Jiaotong University, 3Department of Hepatobiliary Surgery, First Affiliated Hospital, Xi'an Jiaotong University, 4Organ Transplantation Center, Tianjin First Center Hospital

JoVE 56933


 Medicine

Fabricating Optical-quality Glass Surfaces to Study Macrophage Fusion

1Center for Metabolic and Vascular Biology, Mayo Clinic, 2Molecular and Cellular Biosciences, School of Life Sciences, Arizona State University, 3Department of Physics, Arizona State University, 4Center for Biological Physics, Arizona State University, 5Biodesign Institute, Arizona State University, 6Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, 7Advanced Imaging Center, HHMI Janelia Research Campus, 8Advanced Light Microscopy Facility, European Molecular Biology Laboratory

JoVE 56866


 Immunology and Infection

Inkjet Printing All Inorganic Hybrid Halide Perovskite Inks for Photovoltaic Applications

1Department of Physics, State University of New York-Oswego, 2Department of Chemistry, University of Nebraska-Lincoln, 3Department of Physics, University of Nebraska-Lincoln, 4Department of Chemistry, Doane University, 5Physikalisches Institut, Universität Bayreuth

Video Coming Soon

JoVE 58760


 JoVE In-Press

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

Autologous Endothelial Progenitor Cell-Seeding Technology and Biocompatibility Testing For Cardiovascular Devices in Large Animal Model

1Department of Biomedical Engineering, Duke University, 2School of Medicine, Duke University, 3Department of Surgery, Duke University Medical Center, 4School of Medicine, University of Pennsylvania

JoVE 3197


 Bioengineering

Bioprintable Alginate/Gelatin Hydrogel 3D In Vitro Model Systems Induce Cell Spheroid Formation

1Department of Mechanical Engineering, McGill University Montreal, 2Department of Bioengineering, McGill University Montreal, 3Department of Molecular Biology, Instituto Potosino de Investigación Científica y Tecnológica, A.C. (IPICyT), 4Department of Mining and Materials Engineering, McGill University Montreal, 5Department of Biomedical Engineering, McGill University Montreal

JoVE 57826


 Bioengineering

An In Vitro Model of a Parallel-Plate Perfusion System to Study Bacterial Adherence to Graft Tissues

1Cardiovascular Developmental Biology, Department of Cardiovascular Sciences, KU Leuven, 2Centre for Molecular and Vascular Biology, Department of Cardiovascular Sciences, KU Leuven, 3Department of Biohybrid & Medical Textiles, AME - Helmholtz Institute for Biomedical Engineering, RWTH Aachen University, 4European Homograft Bank, Saint Jean Clinique, 5Division of Clinical Cardiac Surgery, Department of Cardiovascular Sciences, KU Leuven

Video Coming Soon

JoVE 58476


 JoVE In-Press

Integration of Light Trapping Silver Nanostructures in Hydrogenated Microcrystalline Silicon Solar Cells by Transfer Printing

1Renewable Energy Research Center, Fukushima Renewable Energy Institute, National Institute of Advanced Industrial Science and Technology, Koriyama, Fukushima, Japan, 2Research Center for Photovoltaic Technologies, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan

JoVE 53276


 Engineering

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