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What does methylene blue indicate?
Posted August 18, 2021
Answer
Methylene Blue is a cationic stain. It is a redox indicator that indicates the presence of oxidizing agents. In its normal state, methylene blue appears as a dark green odorless powder. In the presence of oxidizing agents, electrons are stripped from the dye. Methylene blue turns blue in its oxidized state, indicating the presence of oxidizing agents.
Additional resources
Methylene blue binding to DNA with alternating GC base sequence: continuum treatment of salt effects