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Silver Nitrate: A silver salt with powerful germicidal activity. It has been used topically to prevent Ophthalmia neonatorum.

Two-Dimensional Gel Electrophoresis

JoVE 5686

Two-dimensional gel electrophoresis (2DGE) is a technique that can resolve thousands of biomolecules from a mixture. This technique involves two distinct separation methods that have been coupled together: isoelectric focusing (IEF) and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). This physically separates compounds across two axes of a gel by their isoelectric points…

 Biochemistry

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…

 Organic Chemistry II

Le Châtelier's Principle

JoVE 10138

Source: Laboratory of Dr. Lynne O'Connell — Boston College


When the conditions of a system at equilibrium are altered, the system responds in such a way as to maintain the equilibrium. In 1888, Henri-Lewis Le Châtelier described this phenomenon in a principle that states, "When a change in temperature, pressure, or…

 General Chemistry

Determining the Solubility Rules of Ionic Compounds

JoVE 10197

Source: Laboratory of Dr. Neal Abrams — SUNY College of Environmental Science and Forestry


An ionic compound's solubility can be determined via qualitative analysis. Qualitative analysis is a branch of analytical chemistry that uses chemical properties and reactions to identify the cation or anion present in a chemical compound.…

 General Chemistry

Separation of Mixtures via Precipitation

JoVE 5558

Source: Laboratory of Dr. Ana J. García-Sáez — University of Tübingen


Most samples of interest are mixtures of many different components. Sample preparation, a key step in the analytical process, removes interferences that may affect the analysis. As such, developing separation techniques is an important endeavor not…

 Organic Chemistry

From a 2DE-Gel Spot to Protein Function: Lesson Learned From HS1 in Chronic Lymphocytic Leukemia

1Division of Molecular Oncology, IRCCS, San Raffaele Scientific Institute, 2Department of Haemato-Oncology, King's College London, 3IFOM, FIRC Institute of Molecular Oncology, 4Università Vita-Salute San Raffaele

JoVE 51942

 Medicine

Two-dimensional Gel Electrophoresis Coupled with Mass Spectrometry Methods for an Analysis of Human Pituitary Adenoma Tissue Proteome

1Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, 2Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, 3State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, 4The State Key Laboratory of Medical Genetics, Central South University

JoVE 56739

 Cancer Research

Manual Isolation of Adipose-derived Stem Cells from Human Lipoaspirates

1Cytori Therapeutics Inc, 2Division of Cardiac Surgery, Department of Surgery, David Geffen School of Medicine at UCLA, 3Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine at UCLA, 4Department of Orthopedic Surgery, David Geffen School of Medicine at UCLA, 5Regenerative Bioengineering and Repair Laboratory, David Geffen School of Medicine at UCLA

JoVE 50585

 Biology

Modified PASM-Masson Staining in a Renal Biopsy

1Department of Pathology, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen Third People's Hospital, National Clinical Research Center for Infectious Diseases, 2Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, School of Medicine of Southern University of Science and Technology

Video Coming Soon

JoVE 59669

 JoVE In-Press

A Tripeptide-Stabilized Nanoemulsion of Oleic Acid

1Department of Chemistry, Brooklyn College, The City University of New York, 2Ph.D. Program in Chemistry, The Graduate Center of The City University of New York, 3Ph.D. Program in Biochemistry, The Graduate Center of The City University of New York, 4Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, 5Women's Health Research Institute, Icahn School of Medicine at Mount Sinai, 6Laboratory for Translational Research, Western Connecticut Health Network

JoVE 59034

 Bioengineering

Fluorescent Silver Staining of Proteins in Polyacrylamide Gels

1Ming Wai Lau Centre for Reparative Medicine, Karolinska Institutet, 2Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute of Molecular Functional Materials, State Key Laboratory of Neuroscience, Division of Biomedical Engineering, and Division of Life Science, Hong Kong University of Science and Technology

JoVE 58669

 Biochemistry

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells

1Chang Gung University, 2Department of Periodontics, Chang Gung Memorial Hospital, 3California Northstate University College of Medicine, 4Department of Nephrology, Clinical Poison Center, Chang Gung Memorial Hospital, 5Kidney Research Center, Chang Gung Memorial Hospital, 6Center for Tissue Engineering, Chang Gung Memorial Hospital, 7Department of Periodontics, Chang Gung Memorial Hospital, 8College of Oral Medicine, Taipei Medical University

JoVE 57166

 Bioengineering

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties

1Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, 2School of Integrative Engineering, Chung-Ang University, 3Division of Synthetic Biology and Regenerative Medicine, Institute for Quantitative Health Science and Engineering, Michigan State University

JoVE 57384

 Bioengineering

Establishment of a Valuable Mimic of Alzheimer's Disease in Rat Animal Model by Intracerebroventricular Injection of Composited Amyloid Beta Protein

1Institute of Traditional Chinese Medicine, Chengde Medical College, 2Shijiazhuang Obstetrics and Gynecology Hospital, 3Hebei Province Key Research Office of Traditional Chinese Medicine Against Dementia, 4Hebei Province Key Laboratory of Traditional Chinese Medicine Research and Development, 5Institute of Basic Medical Research of Basic Medical School

JoVE 56157

 Behavior

A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery

1Joint Center for Energy Storage Research (JCESR), 2Energy & Environment Directorate, Pacific Northwest National Laboratory, 3Earth & Biological Systems Directorate, Pacific Northwest National Laboratory, 4Physical & Computational Sciences Directorate, Pacific Northwest National Laboratory

JoVE 55171

 Chemistry

Preparation of Giant Vesicles Exhibiting Visible-light-induced Morphological Changes

1Department of Applied Chemistry, School of Applied Science, National Defense Academy of Japan, 2Department of Applied Physics, School of Applied Science, National Defense Academy of Japan, 3Department of Materials Science and Technology, Faculty of Engineering, Niigata University

Video Coming Soon

JoVE 54817

 JoVE In-Press

Mesenchymal Stromal Cell Culture and Delivery in Autologous Conditions: A Smart Approach for Orthopedic Applications

1Dept. of Clinical and Experimental Medicine, University of Pisa, 2OtoLab, Azienda Ospedaliero-Universitaria Pisana (AOUP), 3Dept. of Civil and Industrial Engineering, University of Pisa, 4Immunohematology Operative Unit, Azienda Ospedaliero-Universitaria Pisana (AOUP), 5Dept. Of Surgical, Medical, Molecular Pathology and Emergency Medicine, University of Pisa, 6II Orthopedic and Traumatologic Clinic, Azienda Ospedaliero-Universitaria Pisana (AOUP)

JoVE 54845

 Bioengineering

Microfluidic Pneumatic Cages: A Novel Approach for In-chip Crystal Trapping, Manipulation and Controlled Chemical Treatment

1Empa - Swiss Federal Laboratories for Materials Science and Technology, 2Institute of Chemical and Bioengineering, Department of Chemistry and Applied Bioscience, ETH Zurich, 3ICN2-Institut Catala de Nanociencia i Nanotecnologia, 4WITec GmbH, 5Institut de Ciència de Materials de Barcelona, 6School of Chemistry, The University of Nottingham

JoVE 54193

 Chemistry

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation

1Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, 2Cardiovascular Research Center and Cardiology Division of the Department of Medicine, Massachusetts General Hospital, 3Cardiovascular Division, Brigham and Women's Hospital, 4Harvard Medical School, 5Department of Anesthesiology, Uniklinik RWTH Aachen, RWTH Aachen University, 6Center for Immunology and Inflammatory Diseases and the Division of Rheumatology, Allergy, and Immunology of the Department of Medicine, Massachusetts General Hospital

JoVE 54017

 Medicine

Preparation and Photoacoustic Analysis of Cellular Vehicles Containing Gold Nanorods

1Institute of Applied Physics, Italian National Research Council, 2Department of Experimental and Clinical Biomedical Sciences, University of Florence, Firenze, 3Department of Physics and Astronomy, University of Florence, Sesto Fiorentino, 4Department of Pharmacy and Biotechnology, University of Bologna

JoVE 53328

 Bioengineering
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