MAGNETIC MICROSPHERE AND METHOD OF FORMING A MICROSPHERE
First Claim
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1. A microsphere comprising a shell and a core;
- wherein the core comprises a liquid, the shell comprises magnetic particles and the microsphere is deformable in response to a magnetic field.
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Abstract
The microspheres have many possible applications including smart drug delivery, breaking and damper devices. In one arrangement, a microsphere comprises a shell 120 and a core 110. The core comprises a liquid, which may be a drug, while the shell comprises magnetic particles. The microsphere is deformable in response to to application of an external magnetic field. Also disclose is an arrangement in which a microsphere has a magnetic core and a PDMS shell.
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Citations
20 Claims
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1. A microsphere comprising a shell and a core;
wherein the core comprises a liquid, the shell comprises magnetic particles and the microsphere is deformable in response to a magnetic field. - View Dependent Claims (2, 3, 4, 5)
- 6. A method of forming a microsphere comprising the steps of providing a first fluid, a second fluid comprising magnetic particles and mixing said first and second fluids such that the first fluid forms a core of the microsphere and the second fluid forms a shell of the microsphere.
- 12. A method of dispensing a liquid comprising providing a microsphere having a to liquid core and a shell comprising magnetic particles and applying a magnetic field across the microsphere in order to deform the microsphere.
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16. A microsphere comprising magnetic particles surrounded by elastically deformable material;
- the microsphere being elastically deformable in response to application of an external magnetic field.
- View Dependent Claims (17, 18, 19, 20)
Specification