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Phase Transition: A change of a substance from one form or state to another.

Purification of Ferrocene by Sublimation

JoVE 10429

Source: Tamara M. Powers, Department of Chemistry, Texas A&M University 


Sublimation, the direct phase transition of a solid into a gas without first becoming a liquid, takes place at temperatures and pressures lower than that of the compound's triple point (Figure 1).The process of sublimation can be utilized …

 Inorganic Chemistry

Differential Scanning Calorimetry

JoVE 10487

Source: Danielle N. Beatty and Taylor D. Sparks, Department of Materials Science and Engineering, The University of Utah, Salt Lake City, UT


Differential scanning calorimetry (DSC) is an important measurement to characterize thermal properties of materials. DSC is used primarily to calculate the amount of heat stored in a material as it…

 Materials Engineering

Using Differential Scanning Calorimetry to Measure Changes in Enthalpy

JoVE 5559

Source: Laboratory of Dr. Terry Tritt — Clemson University


Differential Scanning Calorimetry (DSC) is a method of thermodynamic analysis based on heat-flux method, wherein a sample material (enclosed in a pan) and an empty reference pan are subjected to identical temperature conditions. The energy difference that is required to…

 General Chemistry

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

Electric-field Control of Electronic States in WS2 Nanodevices by Electrolyte Gating

1Quantum-Phase Electronics Center (QPEC) and Department of Applied Physics, The University of Tokyo, 2Materials Sciences Division, Lawrence Berkeley National Laboratory, 3Institute of Scientific and Industrial Research, Osaka University, 4Max Planck Institute for Solid State Research, 5RIKEN Center for Emergent Matter Science (CEMS)

JoVE 56862

 Engineering

Technical Aspect of the Automated Synthesis and Real-Time Kinetic Evaluation of [11C]SNAP-7941

1Department of Biomedical Imaging and Image-guided Therapy, Division of Nuclear Medicine, Medical University of Vienna, 2Department for Pharmaceutical Technology and Biopharmaceutics, Faculty of Life Sciences, University of Vienna, 3Ludwig Boltzmann Institute Applied Diagnostics, 4CBmed GmbH - Center for Biomarker Research in Medicine

JoVE 59557

 Chemistry

A Comparative Study of Drug Delivery Methods Targeted to the Mouse Inner Ear: Bullostomy Versus Transtympanic Injection

1Instituto de Investigaciones Biomédicas (IIBm) Alberto Sols CSIC-UAM, 2Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), 3Instituto de Investigación Sanitaria La Paz (IdiPAZ), 4Facultad de Veterinaria, Universidad Complutense de Madrid, 5Departmento de Otorrino laringología, Hospital Universitario La Paz

JoVE 54951

 Biology

Reconstitution of a Transmembrane Protein, the Voltage-gated Ion Channel, KvAP, into Giant Unilamellar Vesicles for Microscopy and Patch Clamp Studies

1Institut Curie, Centre de Recherche, CNRS, UMR 168, PhysicoChimie Curie, Université Pierre et Marie Curie, 2Kavli Institute for Brain and Mind, University of California, San Diego, 3Molecular Physiology and Biophysics Section, National Institute for Neurological Disorders and Stroke, National Institute of Health

JoVE 52281

 Biology

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

1Joint Institute for Biological Sciences, Oak Ridge National Laboratory, 2Department of Mechanical, Aerospace and Biomedical Engineering, University of Tennessee, 3Bredesen Center for Interdisciplinary Research, University of Tennessee, 4Department of Biosystems and Agriculture Engineering, University of Kentucky, 5Department of Electrical Engineering and Computer Science, University of Tennessee, 6Computer Science and Mathematics Division, Oak Ridge National Laboratory, 7Center for Nanophase Materials Sciences, Oak Ridge National Laboratory

JoVE 58998

 Bioengineering

Generation, Amplification, and Titration of Recombinant Respiratory Syncytial Viruses

1UMR 1173 Institut national de la santé et de la recherche médicale (INSERM), Université de Versailles St. Quentin, 2UR892 Institut national de la recherche agronomique (INRA), Unité de virologie et immunologie moléculaires, 3Assistance Publique–Hôpitaux de Paris (AP-HP), Hôpital Ambroise Paré, Laboratoire de Microbiologie

JoVE 59218

 Immunology and Infection

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

1RIKEN Center for Emergent Matter Science (CEMS), 2Institute for Solid State Physics and Optics, Wigner Research Center for Physics, Hungarian Academy of Sciences, 3Department of Chemistry, School of Natural and Computing Sciences, University of Aberdeen, 4Chemical Physics Interdisciplinary Program and Liquid Crystal Institute, Kent State University

Video Coming Soon

JoVE 60433

 JoVE In-Press

Improving High Viscosity Extrusion of Microcrystals for Time-resolved Serial Femtosecond Crystallography at X-ray Lasers

1Division of Biology and Chemistry - Laboratory for Biomolecular Research, Paul Scherrer Institut, 2Photon Science Division - SwissFEL, Paul Scherrer Institut, 3RIKEN SPring-8 Center, 4Department of Cell Biology, Graduate School of Medicine, Kyoto University, 5Department of Biology, ETH Zürich

JoVE 59087

 Chemistry

Wet-spinning-based Molding Process of Gelatin for Tissue Regeneration

1Department of Materials Science and Engineering, National Taiwan University of Science and Technology, 2Laboratory of Adult Stem Cell and Tissue Regeneration, National Defense Medical Center, 3School of Dentistry, National Yang-Ming University, 4Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, 5Department of Gerontological Health Care, National Taipei University of Nursing and Health Sciences, 6Division of Rheumatology/Immunology/Allergy, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, 7Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, 8Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center

JoVE 58932

 Bioengineering

Dissipative Microgravimetry to Study the Binding Dynamics of the Phospholipid Binding Protein Annexin A2 to Solid-supported Lipid Bilayers Using a Quartz Resonator

1Institute of Medical Biochemistry, Center for Molecular Biology of Inflammation, University of Münster, 2Institute of Biochemistry, University of Münster, 3Cluster of Excellence 'Cells in Motion', University of Münster

JoVE 58224

 Biochemistry

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

1Institute of Nuclear and Physical Engineering, Slovak University of Technology in Bratislava, Slovakia, 2Department of Nuclear Reactors, Czech Technical University in Prague, Czech Republic, 3Department of Experimental Physics, Palacky University Olomouc, Czech Republic, 4Institute of Physics, Slovak Academy of Sciences, Bratislava, Slovakia, 5Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University in Bratislava, Slovakia

JoVE 57657

 Engineering

Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain

1Research Institute for Science and Technology (RIST), Tokyo University of Science (TUS), 2International Center for Young Scientists (ICYS), National Institute for Materials Science (NIMS), 3International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 4Australian Institute for Innovative Materials (AIIM), University of Wollongong, 5School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, 6Department of Plant & Environmental New Resources, Kyung Hee University

JoVE 57441

 Chemistry

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

1Institute for Complex Molecular Systems (ICMS), Technical University of Eindhoven, 2Department of Chemical Engineering and Chemistry, Laboratory of Macromolecular and Organic Chemistry, Technical University of Eindhoven, 3Department of Chemical Engineering and Chemistry, Laboratory for Functional Organic Materials and Devices (SFD), Technical University of Eindhoven

JoVE 56266

 Engineering
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