Cationic surfactants are a class of surfactants whose hydrophilic end carries a positive charge in aqueous solution. Like other surfactants, they have an amphiphilic molecular structure: one end is hydrophilic, and the other is hydrophobic. What makes cationic surfactants different is that their ...
Cationic surfactants hold a unique place because of their positively charged headgroups, which interact strongly with negatively charged surfaces, from cell membranes and DNA molecules to clay minerals and silica particles.
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