In my textbook it is written that gold sol is used for intramuscular injection. But, actually what is its use? Why would people use such a precious element for injection. Can other colloids be used like silver sol?

Note:I posted this question to get a deeper understanding of what is given in my text about the use of gold sol in intramuscular injection. Googling it didn't help.


Will this help?

Toxicity and cellular uptake of gold nanoparticles: what we have learned so far?

Gold has a long tradition as a disease-modifying antirheumatic drug in the treatment of rheumatoid arthritis and it seems to relieve pain and decreases swelling of the joints.

  • $\begingroup$ Sir, my question is about gold sol and not nano particles. $\endgroup$ – Rajath Radhakrishnan Jan 13 '14 at 11:40
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    $\begingroup$ We are not taught anything about intra-molecular injection but,it's given in our chemistry textbook as an application of colloids. $\endgroup$ – Rajath Radhakrishnan Jan 13 '14 at 11:42
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    $\begingroup$ You might want to read your last comment again. Sometimes our thoughts and our writing take different directions ;) $\endgroup$ – Klaus-Dieter Warzecha Jan 13 '14 at 15:44
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    $\begingroup$ Gold nanoparticles are sometimes referred to as "colloidal gold" in mining industry, which I think matches the definition of a gold sol closely enough. $\endgroup$ – chipbuster Jan 13 '14 at 22:11

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