Analytical methods
View Patent ↗Aspects of the disclosure provide techniques for detecting differences and/or changes in biological and non-biological material using infrared imaging. Aspects of the disclosure are useful for monitoring and evaluating synthetic scaffolds and engineered tissue and organs for tissue engineering and transplantation.
1. A method of detecting a physical or functional property of a biological object, the method comprising:
detecting a first infrared emission from a first site of the biological object,
identifying a contrast between the first infrared emission and a second infrared emission, wherein the contrast is indicative of the physical or functional property, and wherein the first infrared emission is detected while the biological object is present in a subject.
2. The method of claim 1 , wherein the biological object is an engineered tissue or organ.
3. The method of claim 2 , wherein the engineered tissue or organ comprises a synthetic scaffold.
4. The method of claim 2 , wherein the physical or functional property is an extent of fluid perfusion through the engineered tissue or organ.
5. The method of claim 4 , wherein the fluid comprises cells, molecules, growth factors, nutrients, or waste.
6. The method of claim 4 , wherein the fluid is perfused through one or more conduits within the engineered tissue or organ.
7. The method of claim 2 , wherein the physical or functional property is an extent of cellularization of the engineered tissue or organ.
8. The method of claim 1 , wherein the biological object is a tissue or organ, and wherein the physical or functional property is an extent of injury, disease, damage, or growth of the tissue or organ.
9. The method of claim 1 , wherein the first infrared emission is detected from the first site of the biological object using an infrared camera.
10. A method of detecting a physical or functional property of a biological object, the method comprising:
detecting a first infrared emission from a first site of the biological object,
identifying a contrast between the first infrared emission and a second infrared emission, wherein the contrast is indicative of the physical or functional property, and wherein the first infrared emission is detected while the biological object is present in a bioreactor.
11. The method of claim 10 , wherein the biological object is a tissue or organ.
12. The method of claim 11 , wherein the biological object is skin, lung, liver, heart, muscle, airway, or kidney.
13. The method of claim 11 , wherein the physical or functional property is an extent of injury, disease, damage, or growth of the tissue or organ.
14. The method of claim 11 , wherein the first site comprises at least a portion of a conduit of the tissue or organ.
15. The method of claim 14 , wherein the conduit is a branched conduit.
16. The method of claim 11 , wherein the physical or functional property is an extent of hydration or vascularization of the tissue or organ.
17. The method of claim 10 , wherein the second infrared emission is a reference level of infrared emission.
18. The method of claim 11 , wherein the tissue or organ is engineered.
19. The method of claim 18 , wherein the tissue or organ comprises a synthetic scaffold.
20. The method of claim 18 , wherein the physical or functional property is an extent of fluid perfusion through the engineered-tissue or organ.
21. The method of claim 20 , wherein the fluid comprises cells, molecules, growth factors, nutrients, or waste.
22. The method of claim 20 , wherein the fluid is perfused through one or more conduits within the engineered tissue or organ.
23. The method of claim 18 , wherein the physical or functional property is an extent of cellularization of the engineered tissue or organ.
24. The method of claim 10 , wherein the first infrared emission is detected from the first site of the biological object using an infrared camera.
25. A method of detecting a physical or functional property of an engineered tissue or organ, the method comprising:
detecting a first infrared emission from a first site of the engineered tissue or organ,
identifying a contrast between the first infrared emission and a second infrared emission, wherein the contrast is indicative of a physical or functional property, and wherein the first site comprises at least a portion of a conduit of the engineered tissue or organ.
26. The method of claim 25 , wherein the conduit is a branched conduit.
27. The method of claim 25 , wherein the engineered tissue or organ comprises a synthetic scaffold.
28. The method of claim 25 , wherein the physical or functional property is an extent of fluid perfusion through the engineered tissue or organ.
29. The method of claim 28 , wherein the fluid comprises cells, molecules, growth factors, nutrients, or waste.
30. The method of claim 28 , wherein the fluid is perfused through one or more conduits within the engineered tissue or organ.
31. The method of claim 25 , wherein the first infrared emission is detected from the first site of engineered tissue or organ using an infrared camera.
32. A method of detecting a physical or functional property of an engineered tissue or organ, the method comprising:
detecting a first infrared emission from a first site of the engineered tissue or organ,
identifying a contrast between the first infrared emission and a second infrared emission, wherein the contrast is indicative of a physical or functional property, and wherein the physical or functional property is an extent of hydration or vascularization of the engineered tissue or organ.
33. The method of claim 32 , wherein the engineered tissue or organ comprises a synthetic scaffold.
34. The method of claim 32 , wherein the physical or functional property is an extent of hydration of the engineered tissue or organ, and wherein the first infrared emission is detected from the first site of the engineered tissue or organ using an infrared camera.
35. The method of claim 32 , wherein the physical or functional property is an extent of vascularization of the engineered tissue or organ, and wherein the first infrared emission is detected from the first site of the engineered tissue or organ using an infrared camera.