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3
votes
1answer
68 views

Which functional group is $-CSSH$?

If we replace two oxygen in $-COOH$ what is the name of the compound we get?
2
votes
1answer
165 views

What is the effect of substituting oxygen with sulfur in drug molecules?

What sort of changes in the properties of organic or drug molecules can be anticipated if you substitute some or all of the oxygen atoms with sulphur atoms, and vice versa. My interest in this ...
10
votes
1answer
500 views

Why do thiols have such a propensity for bonding with mercury?

Historically, thiols $\ce{-SH}$ were known as "mercapto-" due to their strong propensity to bond with mercury. Certain drugs still carry this designation, though mercaptopurine has an $\ce{=S}$ group ...
9
votes
2answers
154 views

What is a good method to measure the redox potential of a cellular system?

I know how to measure the concentration of free thiols which is reflective of the redox potential of cellular compartment such as the cytoplasm or a lysosome. What other methods exist?