IP Library Granted Patent US 7,651,770
Granted Patent B2
US 7,651,770 · App. 11/610,986 · Granted Jan 26, 2010

Nanoclusters for delivery of therapeutics

Assignee: The University of Kansas
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Quick Facts
Patent No.
US 7,651,770
App. No.
11/610,986
Granted
Jan 26, 2010
Kind
B2
Abstract

The present invention discloses a nano-cluster that includes a plurality of nano-particles, wherein the nano-particles can disperse in response to an environmental cue. Also disclosed is a method of preventing, treating, or diagnosing a disease or condition in a subject comprising administering a therapeutically effective amount of a composition comprising nano-clusters of the present invention.

Claims (62)

1. A nano-cluster comprising a plurality of nano-particles, wherein the nano-particles include an active ingredient and a polymer, and wherein the nano-cluster is not hollow.

2. The nano-cluster of claim 1 , wherein the active ingredient is bound to the surface of the nano-particles.

3. The nano-cluster of claim 1 , wherein the size of the nano-cluster is from about 1 to about 200 microns.

4. The nano-cluster of claim 1 , wherein the nano-cluster is solid.

5. The nano-cluster of claim 1 , wherein the nano-particles are not covalently bonded together.

6. The nano-cluster of claim 1 , wherein the nano-particles are not encapsulated.

7. The nano-cluster of claim 1 , wherein the nano-particles disperse in response to an environmental cue.

8. The nano-cluster of claim 1 , wherein the nano-particle is solid.

9. The nano-cluster of claim 1 , wherein the nano-particle is hollow.

10. The nano-cluster of claim 1 , further comprising a dispersing material that disperses the nano-particles in response to an environmental cue.

11. The nano-cluster of claim 10 , wherein the dispersing material comprises a water soluble polymer, a biodegradable polymer, a polyelectrolyte, a metal, a polymeric cross-linker, a small molecule cross-linker, a pH sensitive material, a surfactant, or a temperature sensitive material.

12. The nano-cluster of claim 10 , wherein the environmental cue is water, a selected pH, a selected temperature, the presence of a selected enzyme, the presence of a selected chemical, the presence of a selected electromagnetic wavelength range, or the presence of vibration or shearing.

13. The nano-cluster of claim 1 , comprising at least 50% by weight of nano-particles.

14. The nano-cluster of claim 1 , wherein the nano-cluster is comprised in a composition.

15. The nano-cluster of claim 14 , wherein the composition further comprises an active ingredient.

16. The nano-cluster of claim 14 , wherein the composition is formulated into a dry powder, an aerosol, a spray, a tablet, or a liquid.

17. The nano-cluster of claim 14 , wherein the composition is formulated into a pharmaceutically acceptable carrier.

18. A nano-cluster comprising a plurality of nano-particles, wherein the nano-particles include an active ingredient and a biodegradable polymer, and wherein the nano-cluster is not hollow.

19. The nano-cluster of claim 18 , wherein the active ingredient is bound to the surface of the nano-particles.

20. The nano-cluster of claim 18 , wherein the size of the nano-cluster is from about 1 to about 200 microns.

21. The nano-cluster of claim 18 , wherein the nano-cluster is solid.

22. The nano-cluster of claim 18 , wherein the nano-particles are not covalently bonded together.

23. The nano-cluster of claim 18 , wherein the nano-particles are not encapsulated.

24. The nano-cluster of claim 18 , wherein the nano-particles disperse in response to an environmental cue.

25. The nano-cluster of claim 18 , wherein the nano-particle is solid.

26. The nano-cluster of claim 18 , wherein the nano-particle is hollow.

27. The nano-cluster of claim 18 , further comprising a dispersing material that disperses the nano-particles in response to an environmental cue.

28. The nano-cluster of claim 27 , wherein the dispersing material comprises a water soluble polymer, a biodegradable polymer, a polyelectrolyte, a metal, a polymeric cross-linker, a small molecule cross-linker, a pH sensitive material, a surfactant, or a temperature sensitive material.

29. The nano-cluster of claim 27 , wherein the environmental cue is water, a selected pH, a selected temperature, the presence of a selected enzyme, the presence of a selected chemical, the presence of a selected electromagnetic wavelength range, or the presence of vibration or shearing.

30. The nano-cluster of claim 18 , comprising at least 50% by weight of nano-particles.

31. The nano-cluster of claim 18 , wherein the nano-cluster is comprised in a composition.

32. The nano-cluster of claim 31 , wherein the composition further comprises an active ingredient.

33. The nano-cluster of claim 31 , wherein the composition is formulated into a dry powder, an aerosol, a spray, a tablet, or a liquid.

34. The nano-cluster of claim 31 , wherein the composition is formulated into a pharmaceutically acceptable carrier.

35. A nano-cluster comprising a plurality of nano-particles, wherein the nano-particles include an active ingredient, and wherein the nano-cluster is not hollow and is comprised in a composition formulated into a dry powder, an aerosol, a spray, a tablet, or a liquid.

36. The nano-cluster of claim 35 , wherein the active ingredient is bound to the surface of the nano-particles.

37. The nano-cluster of claim 35 , wherein the size of the nano-cluster is from about 1 to about 200 microns.

38. The nano-cluster of claim 35 , wherein the nano-cluster is solid.

39. The nano-cluster of claim 35 , wherein the nano-particles are not covalently bonded together.

40. The nano-cluster of claim 35 , wherein the nano-particles are not encapsulated.

41. The nano-cluster of claim 35 , wherein the nano-particles disperse in response to an environmental cue.

42. The nano-cluster of claim 35 , wherein the nano-particle is solid.

43. The nano-cluster of claim 35 , wherein the nano-particle is hollow.

44. The nano-cluster of claim 35 , further comprising a dispersing material that disperses the nano-particles in response to an environmental cue.

45. The nano-cluster of claim 44 , wherein the dispersing material comprises a water soluble polymer, a biodegradable polymer, a polyelectrolyte, a metal, a polymeric cross-linker, a small molecule cross-linker, a pH sensitive material, a surfactant, or a temperature sensitive material.

46. The nab-cluster of claim 44 , wherein the environmental cue is water, a selected pH, a selected temperature, the presence of a selected enzyme, the presence of a selected chemical, the presence of a selected electromagnetic wavelength range, or the presence of vibration or shearing.

47. The nano-cluster of claim 35 , comprising at least 50% by weight of nano-particles.

48. The nano-cluster of claim 35 , wherein the composition further comprises an active ingredient.

49. A nano-cluster comprising a plurality of nano-particles, wherein the nano-particles include an active ingredient, and wherein the nano-cluster is not hollow and is comprised in a composition formulated into a pharmaceutically acceptable carrier.

50. The nano-cluster of claim 49 , wherein the active ingredient is bound to the surface of the nano-particles.

51. The nano-cluster of claim 49 , wherein the size of the nano-cluster is from about 1 to about 200 microns.

52. The nano-cluster of claim 49 , wherein the nano-cluster is solid.

53. The nano-cluster of claim 49 , wherein the nano-particles are not covalently bonded together.

54. The nano-cluster of claim 49 , wherein the nano-particles are not encapsulated.

55. The nano-cluster of claim 49 , wherein the nano-particles disperse in response to an environmental cue.

56. The nano-cluster of claim 49 , wherein the nano-particle is solid.

57. The nano-cluster of claim 49 , wherein the nano-particle is hollow.

58. The nano-cluster of claim 49 , further comprising a dispersing material that disperses the nano-particles in response to an environmental cue.

59. The nano-cluster of claim 58 , wherein the dispersing material comprises a water soluble polymer, a biodegradable polymer, a polyelectrolyte, a metal, a polymeric cross-linker, a small molecule cross-linker, a pH sensitive material, a surfactant, or a temperature sensitive material.

60. The nano-cluster of claim 58 , wherein the environmental cue is water, a selected pH, a selected temperature, the presence of a selected enzyme, the presence of a selected chemical, the presence of a selected electromagnetic wavelength range, or the presence of vibration or shearing.

61. The nano-cluster of claim 49 , comprising at least 50% by weight of nano-particles.

62. The nano-cluster of claim 49 , wherein the composition further comprises an active ingredient.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 14, 2007
From: BERKLAND, CORY J; SHI, LIANJUN
To: THE UNIVERSITY OF KANSAS
Reel/Frame 019007/0033 →
Continuity (2)
Provisional Application 6075117200 · Dec 16, 2005
Related Publication 20070172653A1 · Jul 26, 2007