CENTRIFUGAL FORCE BASED MICROFLUIDIC DEVICE HAVING THERMAL ACTIVATION UNIT, MICROFLUIDIC SYSTEM INCLUDING THE SAME AND METHOD OF OPERATING THE MICROFLUIDIC SYSTEM
First Claim
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1. A centrifugal force based microfluidic device comprising:
- a body of revolution; and
a microfluidic structure disposed in the body of revolution, the microfluidic structure comprising at least two chamber units, and a channel connecting the chamber units to each other and forming a fluid flow path between the chamber units, wherein the chamber units each are disposed at different distances with respect to each other from a center of rotation of the body of revolution and a fluid sample moves along the channel by centrifugal force,wherein the microfluidic structure comprises at least one thermal activation unit which has heat generation particles that generate heat upon absorbing electromagnetic waves.
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Abstract
A centrifugal force based microfluidic device including a thermal activation unit, a microfluidic system including the same, and a method of operating the microfluidic system are provided. The thermal activation unit accompanies a temperature change in order to carry out its functions and having heat generation particles that absorb electromagnetic waves and generate heat in the activation unit therein.
31 Citations
42 Claims
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1. A centrifugal force based microfluidic device comprising:
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a body of revolution; and a microfluidic structure disposed in the body of revolution, the microfluidic structure comprising at least two chamber units, and a channel connecting the chamber units to each other and forming a fluid flow path between the chamber units, wherein the chamber units each are disposed at different distances with respect to each other from a center of rotation of the body of revolution and a fluid sample moves along the channel by centrifugal force, wherein the microfluidic structure comprises at least one thermal activation unit which has heat generation particles that generate heat upon absorbing electromagnetic waves. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 29, 30, 31)
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15. A microfluidic system comprising:
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the microfluidic device comprising a body of revolution; and a microfluidic structure disposed in the body of revolution, the microfluidic structure comprising at least two chamber units, and a channel connecting the chamber units to each other and forming a fluid flow path between the chamber units, wherein the chamber units each are disposed at different distances with respect to each other from a center of rotation of the body of revolution and a fluid sample moves along the channel by centrifugal force, wherein the microfluidic structure comprises at least one thermal activation unit which has heat generation particles that generate heat upon absorbing electromagnetic waves; a rotation operating unit which operates the body of revolution of the microfluidic device; an energy source radiating electromagnetic waves of a wavelength band which induces heat generation of the heat generation particles included in the microfluidic device; and an energy source adjusting means which adjusts position or direction of the energy source and concentrates the electromagnetic waves irradiated from the external energy source onto a desired region in the body of revolution. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification