Multiplex imaging systems, devices, methods, and compositions including ferromagnetic structures

• US 20100301857A1
• Filed: 05/29/2009
• Published: 12/02/2010
• Est. Priority Date: 05/29/2009
• Status: Active Grant

• Current Assignee: Gearbox LLC (Intellectual Ventures LLC)
• Original Assignee: Searete LLC (Intellectual Ventures LLC)
• Inventors: Kindsvogel, Wayne R., Hyde, Roderick A., Kare, Jordin T.
• Granted Patent: US 8,106,655 B2
• Time in Patent Office: Days
• US Class Current: 324/309
• CPC Class Codes: G01R 33/448 Relaxometry, i.e. quantification of relaxation times or spin density G01R33/50 takes precedence
• CPC Class Codes: G01R 33/5601 involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
• CPC Class Codes: H01F 1/0308 with magnetic shape memory [MSM], i.e. with lattice transformations driven by a magnetic field, e.g. Heusler alloys
• CPC Class Codes: H01F 1/06 in the form of particles, e.g. powder H01F1/047 takes precedence ; record carriers G11B5/70605
• CPC Class Codes: H01F 41/0273 Imparting anisotropy methods and devices for magnetising permanent magnets H01F13/003

Abstract

Multiplex imaging systems, devices, methods, and compositions are provided. A nuclear magnetic resonance imaging composition includes, but is not limited to, a plurality of ferromagnetic microstructures configured to generate a time-invariant magnetic field within at least a portion of one or more internal surface-defined voids.

Claims

1. A multiplex nuclear magnetic resonance imaging composition, comprising

a plurality of ferromagnetic microstructure sets,

each ferromagnetic microstructure set comprising one or more ferromagnetic microstructures configured to include an accessible internal void and configured to generate a characteristic time-invariant magnetic field within the accessible internal void;

and

at least one of the ferromagnetic microstructure sets having a different characteristic time-invariant magnetic field from another of the plurality of ferromagnetic microstructure sets.

2. The composition of claim 1, wherein each ferromagnetic microstructure set comprises a different characteristic time-invariant magnetic field magnitude.

3. The composition of claim 1, wherein each ferromagnetic microstructure set comprises a different characteristic magnetic field spatial distribution.

4. The composition of claim 1, wherein the plurality of ferromagnetic microstructure sets include at least a first ferromagnetic microstructure set including one or more ferromagnetic microstructures configured to generate a first magnetic field spatial distribution within an accessible internal void and a second ferromagnetic microstructure set including one or more ferromagnetic microstructures configured to generate a second magnetic field spatial distribution within an accessible internal void, the second magnetic field spatial distribution having a different spatial distribution from the first magnetic field spatial distribution.

5. The composition of claim 1, wherein each ferromagnetic microstructure set comprises a different accessible internal void dimension.

6. The composition of claim 1, wherein each ferromagnetic microstructure set comprises a different number of accessible internal voids.

7. The composition of claim 1, wherein each ferromagnetic microstructure set comprises a different ferromagnetic material.

8. The composition of claim 1, wherein each ferromagnetic microstructure set comprises a different ferromagnetic material.

9. The composition of claim 1, wherein each ferromagnetic microstructure set is configured to affect at least one of an in vivo proton transverse magnetic relaxation time or an in vivo proton longitudinal magnetic relaxation time.

10. The composition of claim 1, wherein one or more of the ferromagnetic microstructure sets are configured to allow an in vivo biological sample selective-access to the internal void.

11. The composition of claim 1, wherein one or more of the ferromagnetic microstructure sets include an ion-selective selectively-accessible internal void.

12. The composition of claim 1, wherein one or more of the ferromagnetic microstructure sets include a molecule-selective selectively-accessible internal void.

13. The composition of claim 1, wherein one or more of the ferromagnetic microstructure sets include one or more ferromagnetic microstructures including one or more bound targeting moieties.

14. A multiplex imaging method, comprising

affecting at least one of a proton transverse magnetic relaxation time or a proton longitudinal magnetic relaxation time associated with a biological sample by providing a plurality of ferromagnetic microstructure sets,

each ferromagnetic microstructure set comprising one or more ferromagnetic microstructures configured to include an accessible internal void and configured to generate a characteristic time-invariant magnetic field within the accessible internal void;

and

one or more of the ferromagnetic microstructure sets having a different characteristic time-invariant magnetic field.

15. The method of claim 14, further comprising:

detecting at least one parameter associated with the affected at least one of a proton transverse magnetic relaxation time or a proton longitudinal magnetic relaxation time associated with the biological sample.

16. The method of claim 14, further comprising:

generating a response based on the detected at least one parameter.

17. A method of multiplex interrogation of a biological sample, comprising:

detecting nuclear magnetic resonance information generated by in vivo nuclear magnetic resonance detectable nuclei exposed to one or more internal-surface-defined voids of a plurality of different ferromagnetic microstructures configured to generate a static magnetic flux density within at least a portion of the one or more internal-surface-defined voids and configured to affect a magnetic resonance relaxation process associated with the in vivo nuclear magnetic resonance detectable nuclei while the in vivo nuclear magnetic resonance detectable nuclei are received in at least one of the one or more internal-surface-defined voids.

18. The method of claim 17, wherein detecting the nuclear magnetic resonance information generated by in vivo nuclear magnetic resonance detectable nuclei exposed to one or more internal-surface-defined voids of a plurality of different ferromagnetic microstructures includes detecting nuclear magnetic resonance information generated by in vivo nuclear magnetic resonance detectable nuclei exposed to one or more internal-surface-defined voids of a plurality of different ferromagnetic microstructures having two or more different characteristic time-invariant magnetic fields.

19. The method of claim 17, wherein detecting the nuclear magnetic resonance information generated by in vivo nuclear magnetic resonance detectable nuclei exposed to one or more internal-surface-defined voids of a plurality of different ferromagnetic microstructures includes detecting nuclear magnetic resonance information generated by in vivo nuclear magnetic resonance detectable nuclei exposed to one or more internal-surface-defined voids of a plurality of different ferromagnetic microstructures having two or more different static magnetic flux densities.

20. The method of claim 17, wherein detecting the nuclear magnetic resonance information generated by in vivo nuclear magnetic resonance detectable nuclei exposed to one or more internal-surface-defined voids of a plurality of different ferromagnetic microstructures includes detecting nuclear magnetic resonance information generated by in vivo nuclear magnetic resonance detectable nuclei exposed to one or more internal-surface-defined voids of a plurality of different ferromagnetic microstructures linked to one or more different targeting moieties.