Polymer comprising a plurality of phenothiazine groups and methods of making the same
View Patent ↗A non-leaching mediator may include a polymer having a polymeric backbone, and a plurality of phenothiazine groups bonded to the polymeric backbone. The plurality of phenothiazine groups may include at least one of a phenothiazine group having the general formula (IV): and salts thereof, where n is about 9 and “R” represents the polymeric backbone to which the phenothiazine group is bonded, and a phenothiazine group having the general formula (V): and salts thereof, where n is about 9 and “R” represents the polymeric backbone to which the phenothiazine group is bonded.
1. A polymer comprising the general formula (VIII):
and salts thereof;
where R′ is an organic group,
m is 0 or 1,
n is about 9, and
x and y independently are an integer from 1 to 10,000.
2. The polymer of claim 1 , wherein the sum of x and y is from 10 to 10,000.
3. The polymer of claim 2 , wherein the sum of x and y is from 20 to 1,000.
4. The polymer of claim 1 , wherein x and y independently are an integer from 1 to 70.
5. The polymer of claim 4 , wherein x and y independently are an integer from 2 to 20.
6. The polymer of claim 4 , wherein x and y independently are an integer from 10 to 30.
7. The polymer of claim 1 , wherein m is 1 and R′ is an aliphatic group.
8. The polymer of claim 7 , wherein R′ is an alkyl group having from 1 to 10 carbons atoms.
9. The polymer of claim 7 , wherein R′ is an aryl group.
10. An electrochemical test sensor including a mediator, the mediator including a polymer comprising the general formula (VIII):
and salts thereof;
where R′ is an organic group,
m is 0 or 1,
n is about 9, and
x and y independently are an integer from 1 to 10,000.
11. The test sensor of claim 10 , wherein the sum of x and y is from 10 to 10,000.
12. The test sensor of claim 11 , wherein the sum of x and y is from 20 to 1,000.
13. The test sensor of claim 10 , wherein x and y independently are an integer from 1 to 70.
14. The test sensor of claim 13 , wherein x and y independently are an integer from 2 to 20.
15. The test sensor of claim 13 , wherein x and y independently are an integer from 10 to 30.
16. The test sensor of claim 10 , wherein m is 1 and R′ is an aliphatic group.
17. The test sensor of claim 16 , wherein R′ is an alky group having from 1 to 10 carbons atoms.
18. The test sensor of claim 16 , wherein R′ is an alkyl group.
19. The test sensor of claim 10 further including glucose oxidase.
20. The test sensor of claim 10 further including glucose dehydrogenase.