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Adaptation of Semiautomated Circulating Tumor Cell (CTC) Assays for Clinical and Preclinical Research Applications

1London Regional Cancer Program, London Health Sciences Centre, 2Department of Anatomy & Cell Biology, Schulich School of Medicine and Dentistry, Western University, 3Special Hematology/Flow Cytometry, London Health Sciences Centre, 4Lawson Health Research Institute, 5Department of Oncology, Western University

JoVE 51248


 Medicine

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Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

1Department of Electrical and Computer Engineering, University of California, Davis, 2Digital Light Projection (DLP) Technology Development, Texas Instruments, 3Birck Nanotechnology Center and the Department of Electrical and Computer Engineering, Purdue University

JoVE 51251


 Engineering

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Respiratory Exam II: Percussion and Auscultation

JoVE 10041

Source: Suneel Dhand, MD, Attending Physician, Internal Medicine, Beth Israel Deaconess Medical Center

Learning the proper technique for percussion and auscultation of the respiratory system is vital and comes with practice on real patients. Percussion is a useful skill that is often skipped during everyday clinical practice, but if performed correctly, it can help the physician to identify underlying lung pathology. Auscultation can provide an almost immediate diagnosis for a number of acute pulmonary conditions, including chronic obstructive pulmonary disease (COPD), asthma, pneumonia, and pneumothorax. The areas for auscultating the lungs correspond to the lung zones. Each lung lobe can be pictured underneath the chest wall during percussion and auscultation (Figure 1). The right lung has three lobes: the superior, middle, and inferior lobes. The left lung has two lobes: the superior and inferior lobes. The superior lobe of the left lung also has a separate projection known as the lingual. Figure 1. Anatomy of lungs with respect to the chest wall. An approximate projection of lungs and their fissures and lobes


 Physical Examinations I

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Analyzing Cellular Internalization of Nanoparticles and Bacteria by Multi-spectral Imaging Flow Cytometry

1Department of Veterinary Microbiology and Preventive Medicine, Iowa State University, 2Amnis Corporation, 3Department of Chemical and Biological Engineering, Iowa State University

JoVE 3884


 Bioengineering

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Quantitation of Protein Expression and Co-localization Using Multiplexed Immuno-histochemical Staining and Multispectral Imaging

1Division of Urologic Surgery, Washington University in St. Louis School of Medicine, 2Department of Urology, University of Wisconsin School of Medicine and Public Health, 3Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, 4O’Brien Urology Research Center, University of Wisconsin School of Medicine and Public Health

JoVE 53837


 Biology

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Rapid Scan Electron Paramagnetic Resonance Opens New Avenues for Imaging Physiologically Important Parameters In Vivo

1Department of Chemistry and Biochemistry, University of Denver, 2Magnetic Imaging Group, Applied Physics Division, Physical Measurements Laboratory, National Institute of Standards and Technology, 3Department of Radiology, Geisel School of Medicine, Dartmouth University, 4Department of Biochemistry, West Virginia University, 5Department of Electrical and Computer Engineering, University of Denver, 6Department of Engineering, University of Denver

JoVE 54068


 Bioengineering

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Electrospray Deposition of Uniform Thickness Ge23Sb7S70 and As40S60 Chalcogenide Glass Films

1Department of Materials Science and Engineering, Clemson University, 2Department of Materials Science and Engineering, Texas A&M University, 3Department of Electrical and Computer Engineering, Texas A&M University, 4College of Optics and Photonics, Center for Research and Education in Optics and Lasers (CREOL), University of Central Florida, 5Department of Materials Science and Engineering, Massachusetts Institute of Technology, 6Department of Mechanical Engineering, Virginia Polytechnic Institute, 7Microphotonics Center, Massachusetts Institute of Technology

JoVE 54379


 Engineering

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Localization and Relative Quantification of Carbon Nanotubes in Cells with Multispectral Imaging Flow Cytometry

1Laboratoire Matière et Systèmes Complexes (MSC), CNRS/Université Paris Diderot, 2ImagoSeine BioImaging Core Facility, Institut Jacques Monod, CNRS/Université Paris Diderot, 3Laboratoire d'Immunopathologie et Chimie Thérapeutique, CNRS/Institut de Biologie Moléculaire et Cellulaire

JoVE 50566


 Bioengineering

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Schlenk Lines Transfer of Solvents

JoVE 5679

Source: Hsin-Chun Chiu and Tyler J. Morin, laboratory of Dr. Ian Tonks—University of Minnesota Twin Cities

Schlenk lines and high vacuum lines are both used to exclude moisture and oxygen from reactions by running reactions under a slight overpressure of inert gas (usually N2 or Ar) or under vacuum. Vacuum transfer has been developed as a method separate solvents (other volatile reagents) from drying agents (or other nonvolatile agents) and dispense them to reaction or storage vessels while maintaining an air-free environment. Similar to thermal distillations, vacuum transfer separates solvents by vaporizing and condensing them in another receiving vessel; however, vacuum transfers utilize the low pressure in the manifolds of Schlenk and high vacuum lines to lower boiling points to room temperature or below, allowing for cryogenic distillations. This technique can provide a safer alternative to thermal distillation for the collection of air- and moisture-free solvents. After the vacuum transfer, the water content of the collected solvent can be tested quantitatively by Karl Fischer titration, qualitatively by titration with a Na/Ph2CO solution, or by 1H NMR spectroscopy.


 Organic Chemistry

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