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Surface Properties: Characteristics or attributes of the outer boundaries of objects, including molecules.

Characterizing Multiscale Mechanical Properties of Brain Tissue Using Atomic Force Microscopy, Impact Indentation, and Rheometry

1Department of Materials Science and Engineering, Massachusetts Institute of Technology, 2Department of Biological Engineering, Massachusetts Institute of Technology, 3Department of Mechanical Engineering, Massachusetts Institute of Technology, 4Department of Neurology, The F.M. Kirby Neurobiology Center, Boston Children’s Hospital, Harvard Medical School

JoVE 54201


 Neuroscience

Whole-cell Patch-clamp Recordings of Isolated Primary Epithelial Cells from the Epididymis

1School of Life Science and Technology, ShanghaiTech University, 2Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 3University of Chinese Academy of Sciences, 4Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University

JoVE 55700


 Developmental Biology

A Rapid Laser Probing Method Facilitates the Non-invasive and Contact-free Determination of Leaf Thermal Properties

1Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V., 2Institute for Molecular Biotechnology, RWTH Aachen University, 3Fraunhofer Institute for Laser Technology ILT, Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.

JoVE 54835


 Biochemistry

The Aortic Ring Co-culture Assay: A Convenient Tool to Assess the Angiogenic Potential of Mesenchymal Stromal Cells In Vitro

1Create Fertility Centre, 2Department of Physiology, University of Toronto, 3Department of Obstetrics and Gynecology, University of Toronto, 4Department of Medical Sciences, University of Toronto, 5Department of Obstetrics and Gynecology, Women's College Hospital

JoVE 56083


 Developmental Biology

SNARE-mediated Fusion of Single Proteoliposomes with Tethered Supported Bilayers in a Microfluidic Flow Cell Monitored by Polarized TIRF Microscopy

1Department of Cellular and Molecular Physiology, Yale University School of Medicine, 2Nanobiology Institute, Yale University, 3Department of Molecular Biophysics and Biochemistry, Yale University, 4Laboratoire de Neurophotonique, Université Paris Descartes, Faculté des Sciences Fondamentales et Biomédicales, Centre National de la Recherche Scientifique (CNRS)

JoVE 54349


 Neuroscience

Synthesis of Thermogelling Poly(N-isopropylacrylamide)-graft-chondroitin Sulfate Composites with Alginate Microparticles for Tissue Engineering

1Department of Chemical Engineering, Rowan University, 2Department of Biological Sciences, Rowan University, 3Department of Biomedical Engineering, Drexel University

JoVE 53704


 Bioengineering

Improved Method for the Establishment of an In Vitro Blood-Brain Barrier Model Based on Porcine Brain Endothelial Cells

1Lundbeck Foundation Research Initiative on Brain Barriers and Drug Delivery, Department of Biomedicine, Aarhus University, 2Institute of Pharmaceutical Science, King's College London, 3HICoE Centre for Drug Research, Universiti Sains Malaysia

JoVE 56277


 Medicine

Dispersion of Nanomaterials in Aqueous Media: Towards Protocol Optimization

1School of Geography, Earth and Environmental Sciences, University of Birmingham, 2Analytical Science, National Physical Laboratory, 3INAC-LCIB, Université Grenoble Alpes, 4CEA, INAC-SyMMES, 5NIMBE, CEA, CNRS, Université Paris-Saclay, 6Chemical, Medical and Environmental Science, National Physical Laboratory, 7Division BAM 6.1 'Surface Analysis and Interfacial Chemistry', BAM Federal Institute for Materials Research and Testing, 8Fraunhofer IKTS, Fraunhofer Institute for Ceramic Technologies and Systems

Video Coming Soon

JoVE 56074


 JoVE In-Press

Fabrication and Characterization of Griffithsin-modified Fiber Scaffolds for Prevention of Sexually Transmitted Infections

1Department of Chemistry, University of Louisville, 2Department of Pharmacology and Toxicology, University of Louisville, 3Center for Predictive Medicine, University of Louisville, 4Department of Microbiology and Immunology, University of Louisville, 5Department of Bioengineering, University of Louisville

Video Coming Soon

JoVE 56492


 JoVE In-Press

Pulling Membrane Nanotubes from Giant Unilamellar Vesicles

1Laboratoire Physico Chimie Curie, Institut Curie, PSL Research University, 2Department of Genetics and Complex Diseases, T. H. Chan School of Public Health, and Department of Cell Biology, Harvard Medical School, 3Sorbonne Universités, Université Pierre et Marie Curie, 4Center for studies in Physics and Biology, The Rockefeller University

Video Coming Soon

JoVE 56086


 JoVE In-Press

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors

1Graduate School of Pure and Applied Science, University of Tsukuba, 2CNRS — Saint-Gobain, UMI 3629, Laboratory for Innovative Key Materials and Structures (LINK), 3Nano Device Characterization Group, National Institute for Materials Science (NIMS), 4Sialon Unit, National Institute for Materials Science (NIMS)

JoVE 54249


 Chemistry

Synthesis and Characterization of Fe-doped Aluminosilicate Nanotubes with Enhanced Electron Conductive Properties

1Department of Applied Science and Technology, Politecnico di Torino, 2Department of Civil and Mechanical Engineering, Università degli Studi di Cassino e del Lazio Meridionale, 3Institute of Chemistry, Politecnico di Torino, 4Department of Chemistry & NIS Interdepartmental Centre, University of Turin, 5INSTM Unit of Torino-Politecnico, Politecnico di Torino

JoVE 54758


 Chemistry

Three-dimensional Tissue Engineered Aligned Astrocyte Networks to Recapitulate Developmental Mechanisms and Facilitate Nervous System Regeneration

1Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, 2Center for Neurotrauma, Neurodegeneration & Restoration, Michael J. Crescenz Veterans Affairs Medical Center, 3School of Biomedical Engineering, Drexel University, 4Department of Bioengineering, School of Engineering and Applied Sciences, University of Pennsylvania, 5Neuroscience Graduate Group, Perelman School of Medicine, University of Pennsylvania

Video Coming Soon

JoVE 55848


 JoVE In-Press

Physical Properties Of Minerals II: Polymineralic Analysis

JoVE 10001

Source: Laboratory of Alan Lester - University of Colorado Boulder

The physical properties of minerals include various measurable and discernible attributes, including color, streak, magnetic properties, hardness, crystal growth form, and crystal cleavage. These properties are mineral-specific, and they are fundamentally related to a particular mineral’s chemical make-up and atomic structure. This video examines several physical properties that are useful in field and hand sample mineral identification— color, luster, streak, hardness, magnetism, and reaction with acid. Unlike crystal form and crystal cleavage, these properties are somewhat more closely linked to mineral chemical composition than to atomic structure, but both do play a role. It is important to recognize that rocks are aggregates of mineral grains. Most rocks are polymineralic (multiple kinds of mineral grains) but some are effectively monomineralic (composed of a single mineral). Unlike crystal form and cleavage, which are terms reserved for mineral specimens, geologists might on occasion refer to a rock as having a general sort of color, hardness, magnetism, or reaction with acid. In other words, the physical properties looked at here are potentially appropriate for use with rocks as well as with specific minerals.


 Earth Science

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