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 JoVE Bioengineering

Characterization Of Multi-layered Fish Scales (Atractosteus spatula) Using Nanoindentation, X-ray CT, FTIR, and SEM

1Geotechnical and Structures Laboratory, U.S. Army Engineer Research and Development Center, 2Department of Mechanical Engineering, University of Alabama, 3Environmental Laboratory, U.S. Army Engineer Research and Development Center


JoVE 51535

 JoVE Bioengineering

Adapting the Electrospinning Process to Provide Three Unique Environments for a Tri-layered In Vitro Model of the Airway Wall

1Division of Drug Delivery and Tissue Engineering, University of Nottingham, 2Laboratory of Biophysics and Surface Analysis, School of Pharmacy, University of Nottingham, 3Division of Immunology and Allergy, School of Molecular Medical Sciences, University of Nottingham, 4Division of Respiratory Medicine, School of Clinical Sciences, University of Nottingham, 5NIHR Respiratory Biomedical Research Unit, University of Leicester, 6School of Sport, Exercise, and Health Sciences, Loughborough University


JoVE 52986

 JoVE Neuroscience

Interfacing 3D Engineered Neuronal Cultures to Micro-Electrode Arrays: An Innovative In Vitro Experimental Model

1Department of Informatics, Bioengineering, Robotics and System Engineering (DIBRIS), University of Genova, 2Donders Institute for Brain, Cognition and Behaviour, Department of Cognitive Neuroscience, Radboud University Medical Center, 3Fondazione Istituto Italiano di Tecnologia (IIT)


JoVE 53080

 JoVE Neuroscience

Design, Surface Treatment, Cellular Plating, and Culturing of Modular Neuronal Networks Composed of Functionally Inter-connected Circuits

1Department of Neurobiology, George S. Wise Faculty of Life Sciences, Tel-Aviv University, 2Department of Neuroscience and Brain Technologies, Istituto Italiano di Tecnologia, 3School of Electrical Engineering, Tel-Aviv University, 4School of Physics and Astronomy, Tel-Aviv University, 5Department of Informatics, Bioengineering, Robotics and System Engineering, University of Genova


JoVE 52572

 JoVE Engineering

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

 JoVE Bioengineering

Density Gradient Multilayered Polymerization (DGMP): A Novel Technique for Creating Multi-compartment, Customizable Scaffolds for Tissue Engineering

1Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, 2Biomedical Sciences Program, University of California, San Diego, 3Department of Bioengineering, University of California, San Diego


JoVE 50018

 JoVE Bioengineering

Custom-designed Laser-based Heating Apparatus for Triggered Release of Cisplatin from Thermosensitive Liposomes with Magnetic Resonance Image Guidance

1Leslie Dan Faculty of Pharmacy, University of Toronto, 2Department of Radiation Oncology, University of Toronto, 3Medical Biophysics, University of Toronto, 4Institute of Biomaterials & Biomedical Engineering, University of Toronto, 5Techna Institute and Radiation Medicine Program, Princess Margaret Cancer Center, University Health Network, 6STTARR Innovation Center, University Health Network, 7Ontario Cancer Institute, University Health Network


JoVE 53055

 JoVE Immunology and Infection

Radial Mobility and Cytotoxic Function of Retroviral Replicating Vector Transduced, Non-adherent Alloresponsive T Lymphocytes

1Department of Neurosurgery, UCLA David Geffen School of Medicine, 2Department of Molecular and Medical Pharmacology, UCLA David Geffen School of Medicine, 3Department of Medicine, UCLA David Geffen School of Medicine, 4Brain Research Institute, UCLA David Geffen School of Medicine, 5Jonsson Comprehensive Cancer Center, UCLA David Geffen School of Medicine


JoVE 52416

 Science Education: Essentials of Analytical Chemistry

Raman Spectroscopy for Chemical Analysis

JoVE Science Education

Source: Laboratory of Dr. Ryoichi Ishihara — Delft University of Technology

Raman spectroscopy is a technique for analyzing vibrational and other low frequency modes in a system. In chemistry it is used to identify molecules by their Raman fingerprint. In solid-state physics it is used to characterize materials, and more specifically to investigate their crystal structure or crystallinity. Compared to other techniques for investigating the crystal structure (e.g. transmission electron microscope and x-ray diffraction) Raman micro-spectroscopy is non-destructive, generally requires no sample preparation, and can be performed on small sample volumes. For performing Raman spectroscopy a monochromatic laser is shone on a sample. If required the sample can be coated by a transparent layer which is not Raman active (e.g., SiO2) or placed in DI water. The electromagnetic radiation (typically in the near infrared, visible, or near ultraviolet range) emitted from the sample is collected, the laser wavelength is filtered out (e.g., by a notch or bandpass filter), and the resulting light is sent through a monochromator (e.g., a grating) to a CCD detector. Using this, the inelastic scattered light, originating from Raman scattering, can be captured and used to construct the Raman spectrum o

 JoVE Engineering

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

1School of Chemistry, University of Sydney, 2Institute for Superconducting & Electronic Materials, University of Wollongong, 3Australian Synchrotron, 4Australian Nuclear Science and Technology Organisation, 5School of Mechanical, Materials, and Mechatronic Engineering, University of Wollongong, 6School of Chemistry, University of New South Wales


JoVE 52284

 JoVE Bioengineering

Biomolecular Detection employing the Interferometric Reflectance Imaging Sensor (IRIS)

1Department of Electrical and Computer Engineering, Boston University, 2Department of Biomedical Engineering, Boston University, 3Center for Advanced Genomics Technology, Boston University, 4Department of Medicine, Section of Infectious Diseases, Boston University School of Medicine, 5Department of Microbiology, Boston University School of Medicine, 6CNR (National Research Council), Istituto di Chimica del Riconoscimento Molecolare


JoVE 2694

 JoVE Medicine

Fundus Photography as a Convenient Tool to Study Microvascular Responses to Cardiovascular Disease Risk Factors in Epidemiological Studies

1Environmental Risk and Health, Flemish Institute for Technological Research (VITO), 2Centre for Environmental Sciences, Hasselt University, 3Transportation Research Institute, Hasselt University, 4Department of Public Health, Occupational and Environmental Medicine, Leuven University


JoVE 51904

 JoVE Medicine

Induction of Invasive Transitional Cell Bladder Carcinoma in Immune Intact Human MUC1 Transgenic Mice: A Model for Immunotherapy Development

1Department of Internal Medicine, Division of Hematology and Oncology, University of California, Davis, 2Comparative Pathology Laboratory, UC Davis School of Veterinary Medicine, University of California, Davis, 3Merck Serono Research, Merck KGaA, Darmstadt, Germany


JoVE 50868

 JoVE Immunology and Infection

A Primary Neuron Culture System for the Study of Herpes Simplex Virus Latency and Reactivation

1Department of Microbiology, New York University School of Medicine, 2Molecular Neurobiology Program, Skirball Institute for Biomolecular Medicine, New York University School of Medicine, 3Department of Otolaryngology, New York University School of Medicine, 4Department of Cell Biology, New York University School of Medicine, 5Department of Physiology and Neuroscience, New York University School of Medicine, 6Department of Psychiatry, New York University School of Medicine, 7Center for Neural Science, New York University School of Medicine


JoVE 3823

 Science Education: Essentials of Biology 1

Drosophila Development and Reproduction

JoVE Science Education

One of the many reasons that make Drosophila an extremely valuable organism is that the molecular, cellular, and genetic foundations of development are highly conserved between flies and higher eukaryotes such as humans. Drosophila progress through several developmental stages in a process known as the life cycle and each stage provides a unique platform for developmental research. This video introduces each stage of the Drosophila life cycle and details the physical characteristics and major developmental events that occur during each stage. Next, the video discusses the genetic regulation of pattern formation, which is important for establishing the body plan of the organism and specifying individual tissues and organs. In addition, this video gives an overview of Drosophila reproduction, and how to use the reproductive characteristics of Drosophila to set up a genetic cross. Finally, we discuss examples of how the principles of Drosophila development and reproduction can be applied to research. These applications include RNA interference, behavioral assays of mating behaviors, and live imaging techniques that allow us to visualize development as a dynamic process. Overall, this video highlights the importance of understanding development and reproduction in Drosophila, and how this knowledge can be use

 JoVE Bioengineering

Polymeric Microneedle Array Fabrication by Photolithography

1Department of Pharmacy, National University of Singapore, 2Singapore University of Technology and Design, 3Institute of Bioengineering and Nanotechnology, Agency for Science, Technology and Research (A*STAR), 4Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, 5Mechanobiology Institute, National University of Singapore


JoVE 52914

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