Biochemistry

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    Protocols in Current Issue
    Calcein Release Assay to Measure Membrane Permeabilization by Recombinant Alpha-Synuclein
    Authors:  Sayan Dutta, Ben G. Watson, Seema Mattoo and Jean-Christophe Rochet, date: 07/20/2020, view: 483, Q&A: 0
    [Abstract] Lipid membranes are involved in regulating biochemical and biological processes and in modulating the selective permeability of cells, organelles, and vesicles. Membrane composition, charge, curvature, and fluidity all have concerted effects on cellular signaling and homeostasis. The ability to prepare artificial lipid assemblies that mimic ...
    Contemporaneous Measurement of Outer and Inner Membrane Permeability in Gram-negative Bacteria
    Authors:  Bo Ma, Chao Fang, Jing Zhang, Mingzhi Wang, Xiaoxing Luo and Zheng Hou, date: 03/05/2020, view: 1099, Q&A: 0
    [Abstract] The emergence and rapid spread of multidrug resistance in bacteria have led to the urgent need for novel antibacterial agents. Membrane permeabilization is the mechanism for many antibacterial molecules that are being developed against gram-negative bacteria. Thus, to determine the efficacy of a potential antibacterial molecule, it is important to ...
    Lipid Mixing Assay for Murine Myoblast Fusion and Other Slow Cell-cell Fusion Processes
    [Abstract] Lipid mixing (redistribution of lipid probes between fusing membranes) has been widely used to study early stages of relatively fast viral and intracellular fusion processes that take seconds to minutes. Lipid mixing assays are especially important for identification of hemifusion intermediates operationally defined as lipid mixing without content ...
    Modifying Styrene-maleic Acid Co-polymer for Studying Lipid Nanodiscs by Direct Fluorescent Labeling
    Authors:  Victoria Schmidt and James N. Sturgis, date: 08/20/2018, view: 3551, Q&A: 0
    [Abstract] This protocol was developed to functionalize styrene maleic acid (SMA) by direct fluorescent labeling in an easy way, accessible to biochemistry laboratories. This novel method is based on the coupling of carboxylic acids to primary amines using a carbodiimide, a reaction commonly used for protein chemistry. The procedure uses the hydrolyzed ...
    Qualitative Analysis of Lipid Peroxidation in Plants under Multiple Stress Through Schiff’s Reagent: A Histochemical Approach
    [Abstract] Lipid peroxidation is a physiological indicator of both biotic and abiotic stress responses, hence is often used as a biomarker to assess stress-induced cell damage or death. Here we demonstrate an easy, quick and cheap staining method to assess lipid peroxidation in plant tissues. In this methodology, Schiff’s reagent, is used to assay for ...



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