Ethanol Solubilization
Ethanol Solubilization - Related Videos
10:11
Microdialysis of Ethanol During Operant Ethanol Self-administration and Ethanol Determination by Gas Chromatography
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Cited by 13 •
2012
A method to determine the time course of ethanol concentration in the brains of rats during operant ethanol self-administration is described. Gas chromatography with flame ionization detection is used to quantify ethanol in the dialysate samples, because it has the sensitivity required for the small volumes that are generated.
02:23
Visualizing the Effect of pH on Solubilization of the Influenza A Viral Core
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2026
Source: Stauffer, S. et al., In Vitro Disassembly of Influenza A Virus Capsids by Gradient Centrifugation. J. Vis. Exp. (2016)This video demonstrates the effect of pH on the solubilization of influenza A viral cores. Gel electrophoresis and protein staining reveal the progressive disassembly of the core structure under acidic conditions.
07:34
Biofuels: Producing Ethanol from Cellulosic Material
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2023
Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University In this experiment, cellulosic material (such as corn stalks, leaves, grasses, etc.) will be used as a feedstock for the production of ethanol. The cellulosic material is first pretreated (ground and heated), digested with enzymes, and then fermented with yeast. Ethanol production is monitored using an ethanol probe. The experiment can be extended to optimize ethanol production by varying the feedstock used,...
10:43
Expression, Detergent Solubilization, and Purification of a Membrane Transporter, the MexB Multidrug Resistance Protein
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Cited by 5 •
2010
In this protocol we demonstrate the expression, solubilization, and purification of a recombinantly expressed membrane protein, MexB, as a soluble protein detergent complex. MexB is a multidrug resistance membrane transporter from the opportunistic bacterial pathogen Pseudomonas aeruginosa.
11:15
A Simple Way to Measure Ethanol Sensitivity in Flies
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Cited by 33 •
2011
A simple assay to measure the sedating effects of ethanol on Drosophila flies, based on the loss of righting reflex, is described.
FAQs
Ethanol’s hydroxyl group can form hydrogen bonds with compatible polar sites, while its nonpolar region interacts with less polar portions of a compound. This combination helps incorporate substances that do not readily dissolve in water into a preparation. The balance between these interactions supports either a uniform solution or a concentrated stock for later experimental use.
Gradual mixing helps distribute the compound through the solvent rather than leaving undissolved material concentrated in one portion. This matters when the goal is a uniform solution or a concentrated stock. Controlling ethanol concentration and mixing conditions supports consistent preparation before the solution enters an aqueous buffer or biological system.
Solvent controls help separate responses caused by the compound from responses associated with ethanol exposure. This comparison is important because the prepared solution may be added to aqueous buffers or cell-based systems. Matching solvent conditions makes observed differences easier to interpret and reduces the risk of attributing a solvent-related response to the test compound.
A basic workflow combines the compound with ethanol and mixes the preparation gradually until the material is distributed as uniformly as possible. The resulting solution can serve as a concentrated stock or be prepared for addition to an aqueous buffer or cell-based system. Researchers should control ethanol concentration during this sequence and consider compound stability before biological use.
Before introducing an ethanol-prepared material into an aqueous buffer or cell-based system, researchers should control the ethanol concentration and consider whether the compound remains stable. These checks help preserve the intended preparation while limiting solvent-related responses. They are particularly important when interpreting biological results, because observed changes may reflect the compound, ethanol, or both.
This approach can support preparation of reagents, extracts, drugs, and other test compounds for biological experiments and analytical procedures. It is useful when a material has limited water solubility and must be prepared before further handling. In biological techniques, the resulting stock or solution enables controlled transfer into aqueous buffers or cell-based systems.