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Molecular Structure: The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.

From Constructs to Crystals – Towards Structure Determination of β-barrel Outer Membrane Proteins

1Department of Biological Sciences, Markey Center for Structural Biology, Purdue University, 2National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health, 3National Institute of General Medical Sciences (NIGMS), National Institutes of Health

JoVE 53245


 Chemistry

3D Printing of Biomolecular Models for Research and Pedagogy

1Department of Physics, Brandeis University, 2Bioinformatics and Computational Biosciences Branch (BCBB), NIH/NIAID/OD/OSMO/OCICB, 3Library/LTS/MakerLab, Brandeis University, 4Interfaculty Institute of Biochemistry (IFIB), University of Tübingen, 5Winship Cancer Institute, Emory University School of Medicine

JoVE 55427


 Engineering

Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2

1Jülich Centre for Neutron Science Outstation at MLZ, Forschungszentrum Jülich GmbH, 2Department of Chemistry, Louisiana State University, 3Jülich Centre for Neutron Science JCNS-1 & Institute of Complex Systems ICS-1, Forschungszentrum Jülich GmbH, 4Central Institute of Engineering, Electronics and Analytics — Electronic Systems (ZEA-2), Forschungszentrum Jülich GmbH, 5Central Institute of Engineering, Electronics and Analytics — Engineering and Technology (ZEA-1), Forschungszentrum Jülich GmbH

JoVE 54639


 Bioengineering

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

1ARC Centre of Excellence in Advanced Molecular Imaging, School of Physics, University of Melbourne, 2Australian Research Council (ARC) Centre of Excellence in Advanced Molecular Imaging, Department of Chemistry and Physics, La Trobe Institute for Molecular Sciences, La Trobe University, 3Department of Physics, Imperial College London, 4Florey Institute of Neuroscience and Mental Health, 5Science and Engineering Faculty, Queensland University of Technology, 6Swinburne University of Technology, 7Department of Engineering Science, University of Oxford, 8Brookhaven National Laboratory, 9Linac Coherent Light Source, SLAC National Accelerator Laboratory, 10BioXFEL Science and Technology Center, 11Laboratory of Molecular Biophysics, Department of Cell and Molecular Biology, Uppsala University, 12Australian Synchrotron

JoVE 56296


 Chemistry

Nanomanipulation of Single RNA Molecules by Optical Tweezers

1Nanoscale Engineering Graduate Program, College of Nanoscale Science and Engineering, University at Albany, State University of New York, 2Nanoscale Science Undergraduate Program, College of Nanoscale Science and Engineering, University at Albany, State University of New York, 3Nanobioscience Constellation, College of Nanoscale Science and Engineering, University at Albany, State University of New York, 4The RNA Institute, University at Albany, State University of New York, 5Department of Biological Sciences, University at Albany, State University of New York

JoVE 51542


 Bioengineering

Nucleophilic Substitution

JoVE 10465

Source: Vy M. Dong and Daniel Kim, Department of Chemistry, University of California, Irvine, CA

Nucleophilic substitution reactions are among the most fundamental topics covered in organic chemistry. A nucleophilic substitution reaction is one where a nucleophile (electron-rich Lewis base) replaces a leaving group from a carbon atom.

SN1 (S = Substitution, N = Nucleophilic, 1 = first-order kinetics) SN2 (S = Substitution, N = Nucleophilic, 2 = second-order kinetics) This video will help to visualize the subtle differences between an SN1 and SN2 reaction and what factors help to speed up each type of nucleophilic substitution reaction. The first section will focus on reactions that will help to better understand and learn about nucleophilic substitution reactions. The second section will focus on a real-world example of a substitution reaction.


 Organic Chemistry II

Multi-target Parallel Processing Approach for Gene-to-structure Determination of the Influenza Polymerase PB2 Subunit

1Protein Crystallization Lab, Emerald Bio, 2Molecular Biology Lab, Emerald Bio, 3Scientific Sales Representative, Emerald Bio, 4Group Leader II, Emerald Bio, 5Group Leader I, Emerald Bio, 6Chair of Advisory Board, Emerald Bio, 7Director of Multi-Target Services, Emerald Bio, 8Senior Project Leader, Emerald Bio, 9Project Leader II & SSGCID Site Manager, Emerald Bio

JoVE 4225


 Immunology and Infection

Experimental and Imaging Techniques for Examining Fibrin Clot Structures in Normal and Diseased States

1Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology & Emory University School of Medicine, 2Parker H. Petit Institute for Bioengineering & Bioscience, Georgia Institute of Technology, 3George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology

JoVE 52019


 Medicine

Structure-function Studies in Mouse Embryonic Stem Cells Using Recombinase-mediated Cassette Exchange

1Department of Biomedical Molecular Biology, Ghent University, 2Inflammation Research Center, VIB, 3Center for Medical Genetics, Ghent University Hospital, 4Cancer Research Institute Ghent (CRIG), 5Department of Basic Medical Sciences, Faculty of Medicine and Health Sciences, Ghent University, 6Helmholtz Center for Infection Research, 7Mammalian Functional Genetics Laboratory, Division of Blood Cancers, Australian Centre for Blood Diseases, Department of Clinical Haematology, Monash University and Alfred Health Alfred Centre

JoVE 55575


 Developmental Biology

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


 Engineering

Towards Biomimicking Wood: Fabricated Free-standing Films of Nanocellulose, Lignin, and a Synthetic Polycation

1Institute for Critical Technology and Applied Science, Virginia Tech, 2Macromolecules and Interfaces Institute, Virginia Tech, 3Institute for Food Safety and Health, Illinois Institute of Technology- Moffett Campus, 4Wood, Cellulose, and Paper Research Department, University of Guadalajara, 5Department of Sustainable Biomaterials, Virginia Tech, 6Sustainable Nanotechnology Interdisciplinary Graduate Education Program, Virginia Tech

JoVE 51257


 Chemistry

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