Glycophospholipid polymeric network and use thereof
A biomedical device having a coating on a surface thereof, where the coating includes a glycophospholipid polymer which is a reaction product of one or more glycosaminoglycans and one or more phospholipids.
1. A biomedical device having a coating on a surface thereof, the coating comprising a crosslinked glycophospholipid polymeric network comprising a reaction product of one or more glycosaminoglycans having one or more reactive functionality groups, one or more phospholipids having one or more reactive functionality groups and one or more first crosslinking agents, wherein the one or more first crosslinking agents comprise a bi- or polyfunctional crosslinking agent comprising two or more functional groups that are complementary to the one or more reactive functionality groups of the one or more glycosaminoglycans and the one or more phospholipids; wherein one of the two or more functional groups of the bi- or polyfunctional crosslinking agent is an epoxide functional group and a bond between the epoxide functional group of the bi- or polyfunctional crosslinking agent and at least one of the one or more reactive functionality groups of the one or more glycosaminoglycans is an ether bond.
2. The biomedical device according to claim 1 , wherein the one or more glycosaminoglycans are selected from the group consisting of chondroitin, chondroitin sulfate, dermatan, dermatan sulfate, heparin, heparan sulfate, hyaluronan, and hyaluronic acid or a salt thereof.
3. The biomedical device according to claim 1 , wherein the one or more phospholipids are selected from the group consisting of phosphorylcholine-containing phospholipid, a phosphorylhistidine-containing phospholipid, a phosphorylproline-containing phospholipid, a phosphorylserine-containing phospholipid, α-phosphatidylcholine, α-phosphatidylethanolanmne, α-phosphatidyl-L-serine, α-phosphatidylinositol, α-phosphatidic acid, α-phosphatidyl-DL-glycerol, α-lysophosphatidylcholine, sphingomyelin, and cardiolipin.
4. The biomedical device according to claim 1 , wherein the one or more glycosaminoglycans are hyaluronic acid or a salt thereof and the one or more phospholipids comprise a phosphorylhistidine-containing phospholipid.
5. The biomedical device according to claim 1 , wherein the one or more phospholipids are a phosphorylcholine-containing phospholipid comprising a zwitterionic group represented by the following structure:
wherein n is an integer of 1 to 5 and R′, R″ and R′″ independently of each other are a C 1 to C 8 alkyl group, a C 1 to C 8 hydroxyalkyl group or a hetero atom-containing group.
6. The biomedical device according to claim 1 , wherein the epoxide functional group is a glycidyl ether functional group.
7. The biomedical device according to claim 1 , wherein one or more additional glycosaminoglycans are crosslinked with the reaction product with one or more second crosslinking agents.
8. The biomedical device according to claim 1 , wherein the biomedical device is an ophthalmic lens.
9. The biomedical device according to claim 8 , wherein the ophthalmic lens is a contact lens or an intraocular lens.
10. The biomedical device according to claim 1 , wherein the biomedical device is a contact lens which is a polymerization product of a monomeric mixture comprising one or more hydrophilic monomers.
11. The biomedical device according to claim 10 , herein the monomeric mixture further comprises one or more silicone-containing monomers.
12. The biomedical device according to claim 1 wherein the one or more glycosaminoglycans are hyaluronic acid or chondroitin sulfate, the one or more phospholipids comprise a phosphorylhistidine-containing phospholipid or a phosphorylcholine-containing phospholipid and the epoxide functional group of the bi- or polyfunctional crosslinking agent is a glycidyl ether functional group.
13. The biomedical device of claim 12 , wherein the one or more phospholipids are a phosphorylcholine-containing phospholipid comprising a zwitterionic group represented by the following structure:
wherein n is an integer of 1 to 5 and R′, R″ and R′″ independently of each other are a C 1 to C 8 alkyl group, a C 1 to C 8 hydroxyalkyl group or a hetero atom-containing group.
14. The biomedical device according to claim 1 , wherein the reaction product is derived from a solution comprising:
about 0.01 to about 50 wt. % based on the total weight of the solution, of the one or more glycosaminoglycans; and
about 0.01 to about 50 wt. %, based on the total weight of the solution, of the one or more phospholipids.
15. The biomedical device according to claim 7 , wherein the one or more second crosslinking agents are the same as the one or more first crosslinking agents.
16. The biomedical device according to claim 7 , wherein the one or more second crosslinking agents are different than the one or more first crosslinking agents.
17. The biomedical device according to claim 1 , wherein the reaction product is derived from a solution comprising:
about 0.01 to about 50 wt. %, based on the total weight of the solution, of the one or more glycosaminoglycans;
about 0.01 to about 50 wt. %, based on the total weight of the solution, of the one or more phospholipids; and
about 0.05 to about 10 wt. %, based on the total weight of the solution, of one or more first crosslinking agents.
18. The biomedical device according to claim 1 , wherein the one or more glycosaminoglycans are hyaluronic acid or chondroitin sulfate, the one or more phospholipids comprise a phosphorylcholine-containing phospholipid and the one or more first crosslinking agents is 1,4-butanediol diglycidyl ether.
19. The biomedical device according to claim 1 , wherein the one or more glycosaminoglycans crosslinked with the one or more phospholipids has a weight average molecular weight ranging from about 20,000 to about 6,000,000 Da.
20. The biomedical device according to claim 1 , which is a silicone hydrogel.