CA2611700A1 - Temperature controller for small fluid samples having different heat capacities - Google Patents
Temperature controller for small fluid samples having different heat capacities Download PDFInfo
- Publication number
- CA2611700A1 CA2611700A1 CA002611700A CA2611700A CA2611700A1 CA 2611700 A1 CA2611700 A1 CA 2611700A1 CA 002611700 A CA002611700 A CA 002611700A CA 2611700 A CA2611700 A CA 2611700A CA 2611700 A1 CA2611700 A1 CA 2611700A1
- Authority
- CA
- Canada
- Prior art keywords
- temperature
- fluidic sample
- channel
- sample system
- temperature controlled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502715—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
- B01L7/54—Heating or cooling apparatus; Heat insulating devices using spatial temperature gradients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
- B01L2200/143—Quality control, feedback systems
- B01L2200/147—Employing temperature sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1805—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
- B01L2300/1822—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks using Peltier elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1805—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
- B01L2300/1827—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks using resistive heater
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1838—Means for temperature control using fluid heat transfer medium
- B01L2300/1844—Means for temperature control using fluid heat transfer medium using fans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1838—Means for temperature control using fluid heat transfer medium
- B01L2300/185—Means for temperature control using fluid heat transfer medium using a liquid as fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L5/00—Gas handling apparatus
Abstract
A system for controlling the temperature of fluidic samples includes a device having a first outer surface and a second outer surface which are parallel to one another. The interior of the device contains two or more channels suitable for accommodating samples. The channels lay on a common plane that is also parallel to the first and second outer surfaces. A temperature sensor is positioned between the channels along the common plane. A heater is thermally coupled to one of the two outer surfaces while a heat sink is coupled to the other of the two outer surfaces, thereby establishing a temperature gradient between the first and second outer surfaces. A temperature controller receives sensed temperature input from the temperature sensor and adjusts the heater in response thereto.
Claims (31)
1. A temperature controlled fluidic sample system comprising:
a fluidic sample device comprising:
a first substrate block having a first inner surface and a first outer surface;
a second substrate block having a second inner surface and a second outer surface;
a first groove formed in the first inner surface, the first groove having first and second ends opening to a peripheral edge of the first substrate block;
the first and second inner surfaces of the first and second substrate blocks facing each other so as to form a first through channel between the first and second substrate, wherein:
the first through channel has first and second ends opening to a peripheral edge of the fluidic sample device;
the first through channel incorporates said first groove;
the first through channel is located between two imaginary planes that are spaced apart by a height (h) of the first through channel, the two imaginary planes being parallel to one another and defining between them a first volume in which the first through channel resides; and at least one temperature sensor configured to measure a temperature within the first volume;
a heater thermally coupled to said first outer surface;
a heat sink thermally coupled to said second outer surface; and a temperature controller configured to receive temperature information from said temperature sensor and cause the heater to provide heat and the heat sink to provide cooling, such that:
a temperature gradient is formed between the first outer surface and the second outer surface; and a desired temperature is maintained within said first volume.
a fluidic sample device comprising:
a first substrate block having a first inner surface and a first outer surface;
a second substrate block having a second inner surface and a second outer surface;
a first groove formed in the first inner surface, the first groove having first and second ends opening to a peripheral edge of the first substrate block;
the first and second inner surfaces of the first and second substrate blocks facing each other so as to form a first through channel between the first and second substrate, wherein:
the first through channel has first and second ends opening to a peripheral edge of the fluidic sample device;
the first through channel incorporates said first groove;
the first through channel is located between two imaginary planes that are spaced apart by a height (h) of the first through channel, the two imaginary planes being parallel to one another and defining between them a first volume in which the first through channel resides; and at least one temperature sensor configured to measure a temperature within the first volume;
a heater thermally coupled to said first outer surface;
a heat sink thermally coupled to said second outer surface; and a temperature controller configured to receive temperature information from said temperature sensor and cause the heater to provide heat and the heat sink to provide cooling, such that:
a temperature gradient is formed between the first outer surface and the second outer surface; and a desired temperature is maintained within said first volume.
2. The temperature controlled fluidic sample system according to claim 1, further comprising:
a second channel formed in the fluidic sample device.
a second channel formed in the fluidic sample device.
3. The temperature controlled fluidic sample system according to claim 2, wherein the first channel is occupied by a first fluid, and the second channel is occupied by a second fluid, the first and second fluids having different heat capacities.
4. The temperature controlled fluidic sample system according to claim 3, wherein the first fluid is a liquid and the second fluid is a gas.
5. The temperature controlled fluidic sample system according to claim, 2, wherein:
the fluidic sample device has a peripheral edge provided with at least three edge surfaces;
the first end of the first channel is formed in a first edge surface;
the second end of the first channel is formed in a second edge surface;
the first end of the second channel is formed in said first edge surface; and the second end of the second channel is formed in a third edge surface.
the fluidic sample device has a peripheral edge provided with at least three edge surfaces;
the first end of the first channel is formed in a first edge surface;
the second end of the first channel is formed in a second edge surface;
the first end of the second channel is formed in said first edge surface; and the second end of the second channel is formed in a third edge surface.
6. The temperature controlled fluidic sample system according to claim 5, wherein:
the peripheral edge comprises two pairs of parallel edge surfaces; and the second and third edge surfaces are parallel to one another and face in opposite directions.
the peripheral edge comprises two pairs of parallel edge surfaces; and the second and third edge surfaces are parallel to one another and face in opposite directions.
7. The temperature controlled fluidic sample system according to claim 2, further comprising:
a first probe in fluid communication with the first channel at a point between the first and second ends of said first channel; and a second probe in communication with the second channel at a point between the first and second ends of said second channel.
a first probe in fluid communication with the first channel at a point between the first and second ends of said first channel; and a second probe in communication with the second channel at a point between the first and second ends of said second channel.
8. The temperature controlled fluidic sample system according to claim 7, wherein:
the fluidic sample device has a peripheral edge provided with at least four edge surfaces;
the first end of the first channel is formed in a first edge surface;
the first end of the second channel is formed in said first edge surface;
the second end of the first channel is formed in a second edge surface;
the second end of the second channel is formed in a third edge surface;
the second and third edge surfaces are parallel to one another and face in opposite directions;
the first and second probes both enter the fluidic sample device via a fourth edge surface; and the first and fourth edge surfaces are parallel to one another and face in opposite directions.
the fluidic sample device has a peripheral edge provided with at least four edge surfaces;
the first end of the first channel is formed in a first edge surface;
the first end of the second channel is formed in said first edge surface;
the second end of the first channel is formed in a second edge surface;
the second end of the second channel is formed in a third edge surface;
the second and third edge surfaces are parallel to one another and face in opposite directions;
the first and second probes both enter the fluidic sample device via a fourth edge surface; and the first and fourth edge surfaces are parallel to one another and face in opposite directions.
9. The temperature controlled fluidic sample system according to claim 8, wherein:
the first and second probes are connected to a mass spectrometer.
the first and second probes are connected to a mass spectrometer.
10. The temperature controlled fluidic sample system according to claim 9, wherein:
a blood sample occupies the first channel; and a gas sample occupies the second channel.
a blood sample occupies the first channel; and a gas sample occupies the second channel.
11. The temperature controlled fluidic sample system according to claim 2, further comprising tubing material occupying the first and second channels.
12. The temperature controlled fluidic sample system according to claim 1, wherein the first and second imaginary planes are parallel to the first and second outer surfaces.
13. The temperature controlled fluidic sample system according to claim 12, wherein the heater provides uniform heat over a surface of said first outer surface, such that a uniform heat flux passes through the fluidic sample device in a direction orthogonal to the first and second imaginary planes.
14. The temperature controlled fluidic sample system according to claim 1, wherein the heater is interposed between a first insulating material and said first outer surface.
15. The temperature controlled fluidic sample system according to claim 1, further comprising;
a second groove formed in the second inner surface, and wherein:
the first and second grooves and L-shaped and combine to jointly form the first channel, in the fluidic sample device.
a second groove formed in the second inner surface, and wherein:
the first and second grooves and L-shaped and combine to jointly form the first channel, in the fluidic sample device.
16. The temperature controlled fluidic sample system according to claim 1, wherein the heat sink is a thermoelectric device.
17. The temperature controlled fluidic sample system according to claim 1, wherein the heat sink is room temperature air.
18. The temperature controlled fluidic sample system according to claim 17, further comprising a fan to pass said air past the second outer surface.
19. The temperature controlled fluidic sample system according to claim 1, wherein the temperature sensor is a thermistor.
20. The temperature controlled fluidic sample system according to claim 1, wherein the temperature controller employs proportional-integral-derivative control.
21. A temperature controlled fluidic sample system comprising:
fluidic sample device having first and second outer surfaces and at least one internal compartment configured to hold a fluid sample, said compartment being located between two imaginary planes that are spaced apart by a height (h) of said compartment, the two imaginary planes being parallel to one another and also parallel to the first and second outer surfaces, the two imaginary planes defining between them a first volume in which the compartment resides;
at least one temperature sensor configured to measure a temperature within the first volume;
a heater thermally coupled to said first outer surface;
a heat sink thermally coupled to said second outer surface; and a temperature controller configured to receive temperature information from said temperature sensor and cause the heater to provide heat and the heat sink to provide cooling, such that:
a temperature gradient is formed between the first outer surface and the second outer surface; and a desired temperature is maintained within said first volume.
fluidic sample device having first and second outer surfaces and at least one internal compartment configured to hold a fluid sample, said compartment being located between two imaginary planes that are spaced apart by a height (h) of said compartment, the two imaginary planes being parallel to one another and also parallel to the first and second outer surfaces, the two imaginary planes defining between them a first volume in which the compartment resides;
at least one temperature sensor configured to measure a temperature within the first volume;
a heater thermally coupled to said first outer surface;
a heat sink thermally coupled to said second outer surface; and a temperature controller configured to receive temperature information from said temperature sensor and cause the heater to provide heat and the heat sink to provide cooling, such that:
a temperature gradient is formed between the first outer surface and the second outer surface; and a desired temperature is maintained within said first volume.
22. The temperature controlled fluidic sample system according to claim 21, wherein the temperature controller is configured to implement proportinal-integral-derivative control.
23. A method of controlling temperature of at least two fluidic samples having different heat capacities, the method comprising:
passing first and second fluidic samples along first and second paths formed, in a common device, the first fluidic sample having a first heat capacity and the second fluidic sample having a second heat capacity, said first and second paths being substantially along a common plane within said device;
forming a temperature gradient in a direction orthogonal to said plane such that a uniform heat flux passes through said plane, the temperature gradient being formed between a heater thermally coupled to said device and providing heat on one side of the plane, and a heat sink thermally coupled to said device and providing cooling on an opposite side of the plate;
measuring a temperature of the device at a point in said plane, said point being between the first and second paths; and adjusting at least one of the heater and the heat sink, based on the measured temperature of the device.
passing first and second fluidic samples along first and second paths formed, in a common device, the first fluidic sample having a first heat capacity and the second fluidic sample having a second heat capacity, said first and second paths being substantially along a common plane within said device;
forming a temperature gradient in a direction orthogonal to said plane such that a uniform heat flux passes through said plane, the temperature gradient being formed between a heater thermally coupled to said device and providing heat on one side of the plane, and a heat sink thermally coupled to said device and providing cooling on an opposite side of the plate;
measuring a temperature of the device at a point in said plane, said point being between the first and second paths; and adjusting at least one of the heater and the heat sink, based on the measured temperature of the device.
24. The method of controlling temperature of at least two fluidic samples according to claim 23, wherein the first and second fluidic samples have different flow rates along respective first and second paths.
25. The method of controlling temperature of at least two fluidic samples according to claim 23, comprising employing proportional-integral-derivative control to adjust the heater.
26. A method of controlling temperature of at least two fluidic samples, the method comprising:
passing first and second fluidic samples along first and second paths formed in a common device, the first fluidic sample having a first flow rate through the device and the second fluidic sample having a second flow rate through the device, said first and second paths being substantially along a common plane within said device;
forming a temperature gradient in a direction orthogonal to said plane such that a uniform heat flux passes through said plane, the temperature gradient being formed between a heater thermally coupled to said device and providing heat on one side of the plane, and a heat sink thermally coupled to said device and providing cooling on an opposite side of the plane;
measuring a temperature of the device at a point in said plane, said point being between the first and second paths; and adjusting at least one of the heater and the heat sink based on the measured temperature of the device.
passing first and second fluidic samples along first and second paths formed in a common device, the first fluidic sample having a first flow rate through the device and the second fluidic sample having a second flow rate through the device, said first and second paths being substantially along a common plane within said device;
forming a temperature gradient in a direction orthogonal to said plane such that a uniform heat flux passes through said plane, the temperature gradient being formed between a heater thermally coupled to said device and providing heat on one side of the plane, and a heat sink thermally coupled to said device and providing cooling on an opposite side of the plane;
measuring a temperature of the device at a point in said plane, said point being between the first and second paths; and adjusting at least one of the heater and the heat sink based on the measured temperature of the device.
27. The method of controlling temperature of at least two fluidic samples according to claim 26, comprising employing proportional-integral-derivative control to adjust the heater.
28. The temperature controlled fluidic sample system according to claim 1, wherein the desired temperature at which said volume is maintained is within 0.1 °C
of a predetermined value.
of a predetermined value.
29. The temperature controlled fluidic sample system according to claim 21, wherein the desired temperature at which said volume is maintained is within 0.1 °C
of a predetermined value.
of a predetermined value.
30. The method of controlling temperature of at least two fluidic samples according to claim 23, wherein adjusting at least one of the heater and the heat sink maintains a temperature at said point within 0.1 °C of a predetermined value.
31. The method of controlling temperature of at least two fluidic samples according to claim 26, wherein adjusting at least one of the heater and the heal, sink maintains a temperature at said point within 0.1 °C of a predetermined value.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64651405P | 2005-01-25 | 2005-01-25 | |
| US60/646,514 | 2005-01-25 | ||
| PCT/US2006/001967 WO2006081135A2 (en) | 2005-01-25 | 2006-01-20 | Temperature controller for small fluid samples having different heat capacities |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2611700A1 true CA2611700A1 (en) | 2006-08-03 |
| CA2611700C CA2611700C (en) | 2012-08-21 |
Family
ID=36740959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2611700A Expired - Fee Related CA2611700C (en) | 2005-01-25 | 2006-01-20 | Temperature controller for small fluid samples having different heat capacities |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7841247B2 (en) |
| EP (2) | EP1848979A4 (en) |
| JP (1) | JP4829252B2 (en) |
| CN (2) | CN101107507B (en) |
| CA (1) | CA2611700C (en) |
| WO (1) | WO2006081135A2 (en) |
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| KR100818273B1 (en) | 2006-09-04 | 2008-04-01 | 삼성전자주식회사 | Method of reducing temperature difference between a pair of substrates and fluid reaction device using the same |
| US20110097678A1 (en) * | 2009-10-05 | 2011-04-28 | Patch Keith D | Method of heating and heating apparatus |
| WO2011126892A2 (en) * | 2010-03-30 | 2011-10-13 | Advanced Liquid Logic, Inc. | Droplet operations platform |
| DE102014115074A1 (en) * | 2014-10-16 | 2016-04-21 | Infineon Technologies Austria Ag | Contactless arrangement for controlling a temperature of an on-chip sensor device |
| CN104946511A (en) * | 2015-05-29 | 2015-09-30 | 上海交通大学 | Laminated structure chamber internal temperature sensing PCR chip |
| IT201600104601A1 (en) * | 2016-10-18 | 2018-04-18 | Menarini Silicon Biosystems Spa | MICROFLUID SYSTEM |
| US10935472B2 (en) * | 2018-03-07 | 2021-03-02 | Honeywell International Inc. | Pumped cooling system in gas detector |
| CN108844652B (en) * | 2018-04-28 | 2020-05-01 | 北京机械设备研究所 | MEMS gas sensor chip, sensor and preparation method of sensor |
| CN112799444A (en) * | 2020-12-27 | 2021-05-14 | 北京工业大学 | Hematoparasite detects control by temperature change heating appearance based on 51 singlechip |
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2006
- 2006-01-20 US US11/814,620 patent/US7841247B2/en not_active Expired - Fee Related
- 2006-01-20 CN CN2006800030157A patent/CN101107507B/en not_active Expired - Fee Related
- 2006-01-20 CN CN2012103781140A patent/CN102929309A/en active Pending
- 2006-01-20 WO PCT/US2006/001967 patent/WO2006081135A2/en active Application Filing
- 2006-01-20 CA CA2611700A patent/CA2611700C/en not_active Expired - Fee Related
- 2006-01-20 JP JP2007553141A patent/JP4829252B2/en not_active Expired - Fee Related
- 2006-01-20 EP EP06718964A patent/EP1848979A4/en not_active Withdrawn
- 2006-01-20 EP EP10015734A patent/EP2339320B1/en not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| JP4829252B2 (en) | 2011-12-07 |
| EP1848979A4 (en) | 2009-09-02 |
| WO2006081135A3 (en) | 2007-02-15 |
| US7841247B2 (en) | 2010-11-30 |
| WO2006081135A2 (en) | 2006-08-03 |
| JP2008529002A (en) | 2008-07-31 |
| CN102929309A (en) | 2013-02-13 |
| EP2339320A1 (en) | 2011-06-29 |
| CN101107507B (en) | 2012-10-24 |
| EP2339320B1 (en) | 2012-06-20 |
| US20080006099A1 (en) | 2008-01-10 |
| CN101107507A (en) | 2008-01-16 |
| WO2006081135B1 (en) | 2007-04-19 |
| EP1848979A2 (en) | 2007-10-31 |
| CA2611700C (en) | 2012-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20150120 |