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An apparatus for aerosol collection and fluid analysis includes a rotary motor, an aerosol-collection disk configured for mounting on the rotary motor, and a fluid-analysis disk that is also configured for mounting on the rotary motor. The aerosol-collection disk includes at least one interior inlet

An apparatus for aerosol collection and fluid analysis includes a rotary motor, an aerosol-collection disk configured for mounting on the rotary motor, and a fluid-analysis disk that is also configured for mounting on the rotary motor. The aerosol-collection disk includes at least one interior inlet, at least one peripheral outlet and a passage coupling the interior inlet with the peripheral outlet, and a particle collector opposite the peripheral outlet. The fluid-analysis disk includes at least one fluid in each of a first reservoir and in a second reservoir on or in the fluid-analysis disk and offset from a central axis of the disk, wherein each reservoir has an outlet and a stopper in the outlet of each reservoir to seal the reservoirs; and release of the fluids from the reservoirs is spin-induced.

대표청구항 ▼

1. An apparatus for aerosol collection and fluid analysis, comprising: a rotary motor including a stage configured for rotation;an aerosol-collection disk including at least one interior inlet, at least one peripheral outlet and a passage coupling the interior inlet with the peripheral outlet, and a

1. An apparatus for aerosol collection and fluid analysis, comprising: a rotary motor including a stage configured for rotation;an aerosol-collection disk including at least one interior inlet, at least one peripheral outlet and a passage coupling the interior inlet with the peripheral outlet, and a particle collector opposite the peripheral outlet, wherein the collection disk is configured for mounting on the stage of the rotary motor for rotation thereon;a fluid-analysis disk configured for mounting on the stage of the rotary motor for rotation thereon, the fluid-analysis disk comprising at least one fluid in each of a first reservoir and a second reservoir on or in the fluid-analysis disk and offset from a central axis of the fluid-analysis disk, wherein each reservoir has an outlet and a stopper in the outlet of each reservoir to seal the reservoirs, wherein selection between release of fluids from the first and second reservoirs is determined by the rate of rotation of the fluid-analysis disk or by acceleration in the rate of rotation of the fluid-analysis disk, wherein the fluid-analysis disk is configured to release the fluid from the first reservoir when the fluid-analysis disk reaches a first rotation or rotation-acceleration rate, wherein the fluid-analysis disk is configured to release the fluid from the second reservoir when the fluid-analysis disk reaches a second rotation or rotation-acceleration rate distinct from the first rotation or rotation-acceleration rate, and wherein the fluid-analysis disk is characterized by at least one of the following: a) the outlet of the first reservoir faces a first direction relative to the central axis, and the outlet of the second reservoir faces a second direction relative to the central axis, wherein the second direction differs from the first direction;b) the first reservoir is offset from the central axis of the fluid-analysis disk by a first radius, wherein the second reservoir is offset from the central axis of the fluid-analysis disk by a second radius that is less than the first radius; andc) the first stopper in the first reservoir has a first release or sealing force, and the second stopper in the second reservoir has a second release or sealing force, wherein the first release or sealing force is less than the second release or sealing force. 2. The apparatus of claim 1, further comprising a particle collector mountable opposite the peripheral outlet of the aerosol-collection disk. 3. The apparatus of claim 2, wherein the particle collector includes at least a segment of an annular band to which particles can adhere upon contact. 4. The apparatus of claim 1, wherein the outlet of the first reservoir faces the first direction relative to the central axis, and the outlet of the second reservoir faces the second direction relative to the central axis, wherein the second direction differs by at least 5° from the first direction. 5. The apparatus of claim 1, wherein the first reservoir is offset from the central axis of the disk by the first radius, and the second reservoir is offset from the central axis of the disk by the second radius, which is at least 5% less than the first radius. 6. The apparatus of claim 1, wherein the release or sealing force of the first stopper in the first reservoir is at least 5% less than the release or sealing force of the second stopper in the second reservoir. 7. The apparatus of claim 6, wherein the release or sealing force includes at least one of the following forces: stiction, plunging spring force, mechanical detent, and plunger inertia. 8. The apparatus of claim 1, wherein at least one stopper comprises a plunger that seals the outlet or the reservoir and a mechanism mounted to the plunger and to the disk to maintain the plunger in the outlet. 9. The apparatus of claim 8, wherein the mechanism is a spring. 10. The apparatus of claim 1, wherein at least one stopper comprises a viscous plug filling the outlet. 11. The apparatus of claim 1, wherein the aerosol-collection disk is distinct from the fluid-analysis disk. 12. The apparatus of claim 1, wherein the aerosol-collection disk defines an inlet at its center and channels extending radially from the central inlet to an outer diameter of the aerosol-collection disk and is configured to generate a flow of aerosol from the central inlet through the channels to the outer diameter when rotated. 13. The apparatus of claim 1, wherein the fluid-analysis disk is configured to release at least one of the fluids as the rotation or rotation-acceleration rate increases. 14. The apparatus of claim 1, wherein the fluid-analysis disk is configured to release at least one of the fluids as the rotation or rotation-acceleration rate decreases.