Cation

surfactant derived from coconut oil and dimethylaminopropylamine.[1] It is a zwitterionic chemical compound with a quaternary ammonium cation. It is a viscous pale yellow transparent liquid and is used as a surfactant in bath products such as shampoos and hand soaps, and in cosmetics as an ...

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The phosphates of the DNA polymer are negatively charged. They will bind a cation as a counterion to achieve electroneutrality--usually Na+ or K+. That makes the polymer a "salt" of [Na+] x [DNA-].

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cation and anions are the answers to the blanks. anions are negatively charged ions cations are positively charged ions.

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... sorry, but I don't know what you mean by biofilm. You're looking for some information about an impact of heavy meatl cations on bacterial cells, right? That's right! But not for heavy metal cation, for example, Na, K, Mg,Ca and the other trace metals.

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Hi, I am doing effects of some metal cations on biofilm formed by bacteria. How can I get the basic knowledge of their biological functions to bac? I come from China and poorly in english expression. Thanks for you advises.

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