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Measuring Oxidative Stress Resistance of Caenorhabditis elegans in 96-well Microtiter Plates08:10

Measuring Oxidative Stress Resistance of Caenorhabditis elegans in 96-well Microtiter Plates

C. elegans is an attractive model organism to study signal transduction pathways involved in oxidative stress resistance. Here we provide a protocol to measure oxidative stress resistance of C. elegans animals in liquid phase, using several oxidizing agents in 96 well plates.
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Analysis of Oxidative Stress in Zebrafish Embryos11:05

Analysis of Oxidative Stress in Zebrafish Embryos

Here we report a protocol to measure oxidative stress in living zebrafish embryos. This procedure allows reactive oxygen species (ROS) detection in both whole embryo tissues and single-cell populations. This protocol will accomplish both qualitative and quantitative analyses.
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Nanomechanics of Drug-target Interactions and Antibacterial Resistance Detection11:56

Nanomechanics of Drug-target Interactions and Antibacterial Resistance Detection

Acquired resistance to antibiotics is a major public healthcare problem and is presently ranked by the WHO as one of the greatest threats to human life. Here we describe the use of cantilever technology to quantify antibacterial resistance, critical to the discovery of novel and powerful agents against multidrug resistant...
14.7K
Comet Assay as an Indirect Measure of Systemic Oxidative Stress08:23

Comet Assay as an Indirect Measure of Systemic Oxidative Stress

Comet assay measures DNA breaks, induced by different factors. If all factors (except oxidative stress) causing DNA damage are kept constant, the amount of DNA damage is a good indirect parameter of oxidative stress. The goal of this protocol is to use comet assay for indirect measurement of oxidative...
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Bacterial Growth on a Microfluidic Chip to Study Antibiotic Drug Resistance02:45

Bacterial Growth on a Microfluidic Chip to Study Antibiotic Drug Resistance

Source: Liu, P. C., et al. Design and Use of a Low Cost, Automated Morbidostat for Adaptive Evolution of Bacteria Under Antibiotic Drug Selection. J. Vis. Exp. (2016)This video demonstrates the use of a microfluidic chip to visualize and compare the growth and morphology of wild-type and trimethoprim-resistant E. coli strains under trimethoprim antibiotic...
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Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms08:46

Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms

Drug resistance to targeted therapeutics is widespread and the need to identify mechanisms of resistance--prior to or following clinical onset--is critical for guiding alternative clinical management strategies. Here, we present a protocol to couple derivation of drug-resistant lines in vitro with sequencing to expedite discovery of these...
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