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Open Reading Frames: A sequence of successive nucleotide triplets that are read as Codons specifying Amino acids and begin with an Initiator codon and end with a stop codon (Codon, Terminator).
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Electric Potential

JoVE 10329

Source: Yong P. Chen, PhD, Department of Physics & Astronomy, College of Science, Purdue University, West Lafayette, IN

Electric potential, also known as "voltage", measures the electric potential energy per unit charge. Electric field is a scalar quantity and is fundamental to many electrical effects. Like potential energy, what is physically meaningful is the difference in the electric potential. For example, the spatial variation in the electric potential is related to the electric field, which gives rise to the electric force on a charge. The difference in the electric potential between two points in a resistor drives the electric current flow. This experiment will use both a volt meter and a fluorescent tube to demonstrate the electric potential (more accurately, the potential difference between two points in space) generated by a charged sphere. The experiment will demonstrate the concept of equipotential surfaces, which are perpendicular to the electric fields.


 Physics II

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Systematic Analysis of In Vitro Cell Rolling Using a Multi-well Plate Microfluidic System

1Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, 2Center for Regenerative Therapeutics, Brigham and Women's Hospital, 3Harvard Medical School, Harvard University, 4Harvard Stem Cell Institute, Harvard University, 5Harvard-MIT Division of Health Sciences and Technology, 6Department of Mechanical Engineering, Massachusetts Institute of Technology

JoVE 50866


 Bioengineering

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Spatial Cueing

JoVE 10210

Source: Laboratory of Jonathan Flombaum—Johns Hopkins University

Attention refers to the limited human ability to select some information for processing at the expense of other stimuli in the environment. Attention operates in all sensory modalities: vision, hearing, touch, even taste and smell. It is most often studied in the visual domain though. A common way to study visual attention is with a spatial cueing paradigm. This paradigm allows researchers to measure the consequences of focusing visual attention in some locations and not others. This paradigm was developed by psychologist Michael Posner in the late 70s and early 80s in a series of papers in which he likened attention to a spotlight, selectively illuminating some portion of a scene.1,2 This video demonstrates standard procedures for a spatial cueing experiment to investigate visual attention.


 Sensation and Perception

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In Vivo Investigation of Antimicrobial Blue Light Therapy for Multidrug-resistant Acinetobacter baumannii Burn Infections Using Bioluminescence Imaging

1Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, 2Department of Medical Oncology, Beijing Institute of Translational Medicine, Chinese Academy of Sciences, 3Cancer Center, Aviation General Hospital, Beijing, 4Infectious Disease Service, Brooke Army Medical Center

JoVE 54997


 Immunology and Infection

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Non-invasive Imaging and Analysis of Cerebral Ischemia in Living Rats Using Positron Emission Tomography with 18F-FDG

1W. M. Keck Center for Transgene Research, University of Notre Dame, 2Department of Chemistry and Biochemistry, University of Notre Dame, 3Notre Dame Integrated Imaging Facility, University of Notre Dame, 4Department of Biological Sciences, University of Notre Dame, 5Harper Cancer Research Institute, University of Notre Dame

JoVE 51495


 Medicine

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Method for Identifying Small Molecule Inhibitors of the Protein-protein Interaction Between HCN1 and TRIP8b

1Davee Department of Neurology and Clinical Neurosciences, Feinberg School of Medicine, Northwestern University, 2Center for Molecular Innovation and Drug Discovery, Northwestern University, 3Department of Pharmacology, Feinberg School of Medicine, Northwestern University, 4High Throughput Analysis Laboratory, Department of Molecular Biosciences, Northwestern University, 5Department of Physiology, Feinberg School of Medicine, Northwestern University

JoVE 54540


 Biochemistry

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Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

1Infectious Bacterial Diseases Research Unit, National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, 2Department of Veterinary Pathology, College of Veterinary Medicine, Iowa State University, 3UK Veterinary Laboratories Agency, 4Visual Services, National Centers for Animal Health, Animal and Plant Health Inspection Service, United States Department of Agriculture

JoVE 52833


 Immunology and Infection

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Detection and Genogrouping of Noroviruses from Children's Stools By Taqman One-step RT-PCR

1Laboratorio de Investigación y Desarrollo (LID), Universidad Peruana Cayetano Heredia, 2Bloomberg School of Public Health, Johns Hopkins University, 3Laboratorio de Diagnostico Molecular, Facultad de Medicina, University of Concepcion,Chile, 4University of California San Diego School of Medicine

JoVE 3232


 Medicine

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