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Post Electrophoretic Analysis Articles
Buffer Additives-Reducing Agents
Disulfide bonds between or within sample protein molecules can lead to the formation of aggregates as well as play a role in the binding of the subunits of many proteins. It is usually desirable to cleave disulfide linkages prior to the protein electrophoresis. For this reason, disulfide bond reducing agents, such as 2-mercaptoethanol or dithiothreitol, are typically present in sample buffers. These substances can also be added to the cathode tank. However, 2-mercaptoethanol or dithiothreitol are typically not added to the gel casting solution because their presence inhibits gelation.
NEXT TOPIC: Horizontal and Vertical Gel Systems: The Horizontal Gel System
- The Polyacrylamide Matrix-Buffer Strength
- The Polyacrylamide Matrix
- The Mechanical and Electrical Dynamics of Gel Electrophoresis — Electrophoresis System Dynamics
- The Mechanical and Electrical Dynamics of Gel Electrophoresis – Ohm’s Law
- The Mechanical and Electrical Dynamics of Gel Electrophoresis – Intro and Sample Mobility
- The Electrophoresis Matrix
- The Agarose Matrix
- Radioactive Emissions and the Use of Isotopes in Research
- Multiphasic Buffer Systems
- Horizontal and Vertical Gel Systems – Vertical Tube Gels
- Horizontal and Vertical Gel Systems – The Vertical Slab Gel System
- Horizontal and Vertical Gel Systems – The Horizontal Gel System
- Homogeneous Buffer Systems
- Faint bands, low background
- Faint Bands, High Background
- Ethidium Bromide Staining
- Electrophoresis Buffers-Choosing the Right Buffer
- Electrophoresis Buffers–The Henderson-Hasselbalch Equation
- Coomassie Blue Stain- Troubleshooting
- Buffer Additives-Surfactants
- Buffer Additives-Reducing Agents
- Buffer Additives-Hydrogen Bonding Agents
- Biological Macromolecules: Nucleic Acids
- Biological Macromolecules – Proteins