IP Library Granted Patent US 11,927,519
Granted Patent B2
US 11,927,519 · App. 18/139,741 · Granted Mar 12, 2024

Synthetic human cell mimic hydrogel particle for cytometric or coulter device

Inventors: Jeffrey Kim (Berkeley, CA); Oliver Liu (San Francisco, CA); Jeremy Agresti (El Cerrito, CA); Anh Tuan Nguyen (San Francisco, CA)
Assignee: Slingshot Biosciences, Inc.
G01N15/1012C12Q1/04G01N1/28G01N15/1434G01N15/1459G01N2001/2893G01N2015/0065G01N2015/1006G01N2015/1018G01N2015/149
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Quick Facts
Patent No.
US 11,927,519
App. No.
18/139,741
Granted
Mar 12, 2024
Kind
B2
Abstract

Synthetic human cell mimic hydrogel particles and their use in cytometric or coulter device applications are described. The synthetic human cell mimic hydrogel particles described herein are selectively tunable to have at least one optical, volumetric, or capacitance property that is substantially similar to a corresponding optical, volumetric, or capacitance property of the human cell mimic hydrogel particle's natural biological cell counterpart.

Claims (34)

1. A synthetic human cell mimic hydrogel particle, comprising:

a) a hydrogel particle comprising a polymerized monomer; and

wherein the synthetic human cell mimic hydrogel particle comprises an optical property that is substantially similar to a corresponding optical property of the human cell mimic hydrogel particle's natural biological cell counterpart.

2. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the optical property is side scatter, forward scatter, or a combination thereof.

3. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle comprises a volumetric property or hydrodynamic property that is substantially similar to a corresponding volumetric property or hydrodynamic property of the human cell mimic hydrogel particle's natural biological cell counterpart.

4. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle is functionalized with at least one cell surface marker.

5. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle is functionalized with at least one blood group antigen.

6. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle is functionalized with blood group antigen A, blood group antigen B, or a combination thereof.

7. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle has at least one of a functionalized surface or a scatter-modulating additive.

8. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle comprises a co-monomer.

9. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle comprises a bifunctional monomer.

10. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle's optical property is provided by: the polymerized monomer, a co-monomer, ratio of monomer to co-monomer, a surface functionalization, a chemical side-group, a biological material, a nanoparticle, an encapsulated material, a colloidal silica, a ratio of acrylamide to bis-acrylamide, or combinations thereof.

11. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle comprises an optical property that is substantially similar to a corresponding optical property of a human biological blood cell counterpart.

12. The synthetic human cell mimic hydrogel particle of claim 1 , wherein the synthetic human cell mimic hydrogel particle comprises an optical property that is substantially similar to a corresponding optical property of at least one human biological cell counterpart selected from the group consisting of: a human red blood cell, a human platelet, a human lymphocyte, a human monocyte, a human reticulocyte, a human granulocyte, a human thrombocyte, and a human nucleated cell.

13. A composition, comprising: the synthetic human cell mimic hydrogel particle of claim 1 formulated for utilization in a cytometric device.

14. A composition, comprising: the synthetic human cell mimic hydrogel particle of claim 1 and a suspension fluid.

15. A composition, comprising: the synthetic human cell mimic hydrogel particle of claim 1 and a human biological cell.

16. A composition, comprising: the synthetic human cell mimic hydrogel particle of claim 1 and a human biological blood cell.

17. A composition, comprising: the synthetic human cell mimic hydrogel particle of claim 1 and a whole human biological blood component.

18. A composition, comprising: the synthetic human cell mimic hydrogel particle of claim 1 and at least one human biological blood cell selected from the group consisting of: a human red blood cell, a human platelet, a human lymphocyte, a human monocyte, a human reticulocyte, a human granulocyte, a human thrombocyte, and a human nucleated cell.

19. A synthetic human cell mimic hydrogel particle, comprising:

a) a hydrogel particle comprising a polymerized monomer; and

wherein the synthetic human cell mimic hydrogel particle comprises a volumetric or capacitance property that is substantially similar to a corresponding volumetric or capacitance property of the human cell mimic hydrogel particle's natural biological cell counterpart.

20. The synthetic human cell mimic hydrogel particle of claim 19 , wherein the synthetic human cell mimic hydrogel particle is functionalized with at least one cell surface marker.

21. The synthetic human cell mimic hydrogel particle of claim 19 , wherein the synthetic human cell mimic hydrogel particle is functionalized with at least one blood group antigen.

22. The synthetic human cell mimic hydrogel particle of claim 19 , wherein the synthetic human cell mimic hydrogel particle is functionalized with blood group antigen A, blood group antigen B, or a combination thereof.

23. The synthetic human cell mimic hydrogel particle of claim 19 , wherein the synthetic human cell mimic hydrogel particle has at least one of a functionalized surface or a scatter-modulating additive.

24. The synthetic human cell mimic hydrogel particle of claim 19 , wherein the synthetic human cell mimic hydrogel particle comprises a co-monomer.

25. The synthetic human cell mimic hydrogel particle of claim 19 , wherein the synthetic human cell mimic hydrogel particle's volumetric or capacitance property is provided by: the polymerized monomer, a co-monomer, ratio of monomer to co-monomer, a surface functionalization, a chemical side-group, a biological material, a nanoparticle, an encapsulated material, a colloidal silica, a ratio of acrylamide to bis-acrylamide, or combinations thereof.

26. The synthetic human cell mimic hydrogel particle of claim 19 , wherein the synthetic human cell mimic hydrogel particle comprises a volumetric or capacitance property that is substantially similar to a corresponding volumetric or capacitance property of a human biological blood cell counterpart.

27. The synthetic human cell mimic hydrogel particle of claim 19 , wherein the synthetic human cell mimic hydrogel particle comprises a volumetric or capacitance property that is substantially similar to a corresponding volumetric or capacitance property of at least one human biological cell counterpart selected from the group consisting of: a human red blood cell, a human platelet, a human lymphocyte, a human monocyte, a human reticulocyte, a human granulocyte, a human thrombocyte, and a human nucleated cell.

28. A composition, comprising: the synthetic human cell mimic hydrogel particle of claim 19 formulated for utilization in a coulter counter device.

29. A composition, comprising: the synthetic human cell mimic hydrogel particle of claim 19 and a human biological cell.

30. A composition, comprising: the synthetic human cell mimic hydrogel particle of claim 19 and a human biological blood cell.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 6, 2023
From: KIM, JEFFREY; NGUYEN, ANH TUAN; LIU, OLIVER; AGRESTI, JEREMY
To: SLINGSHOT BIOSCIENCES, INC.
Reel/Frame 063870/0628 →
Continuity (7)
Continuation 17990360 · Nov 18, 2022
Continuation 16933028 · Jul 20, 2020
Continuation 15625394 · Jun 16, 2017
Continuation 15018769 · Feb 8, 2016
Provisional Application 62184192 · Jun 24, 2015
Provisional Application 62114004 · Feb 9, 2015
Related Publication 20230266223A1 · Aug 24, 2023
Cited By (8)
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