ENHANCED SAMPLE PROCESSING DEVICES, SYSTEMS AND METHODS

• US 20080152546A1
• Filed: 12/21/2007
• Published: 06/26/2008
• Est. Priority Date: 12/22/2006
• Status: Abandoned Application

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: Bedingham, William, Robole, Barry W., Ludowise, Peter D., Kokaisel, Christopher R.
• Application Number:
  US11/962,669
• Publication Number:
  US 20080152546A1
• Time in Patent Office: Days
• US Class Current: 422/103
• CPC Class Codes: B01F 31/651 Mixing by successively aspirating a part of the mixture in a conduit, e.g. a piston, and reinjecting it through the same conduit into the receptacle
• CPC Class Codes: B01F 33/30 Micromixers
• CPC Class Codes: B01F 35/71725 using centrifugal forces
• CPC Class Codes: B01L 2200/0668 Trapping microscopic beads
• CPC Class Codes: B01L 2200/0684 Venting, avoiding backpressure, avoid gas bubbles
• CPC Class Codes: B01L 2300/0806 Standardised forms, e.g. compact disc [CD] format
• CPC Class Codes: B01L 2400/0409 centrifugal forces
• CPC Class Codes: B01L 2400/0677 phase change valves; Meltable, freezing, dissolvable plugs; Destructible barriers
• CPC Class Codes: B01L 3/50273 characterised by the means or forces applied to move the fluids micropumps F04B19/006, of the membrane type F04B43/043
• CPC Class Codes: B01L 3/502738 characterised by integrated valves microvalves F16K99/0001
• CPC Class Codes: Y10T 137/0329 Mixing of plural fluids of diverse characteristics or conditions
• CPC Class Codes: Y10T 137/0753 Control by change of position or inertia of system
• CPC Class Codes: Y10T 137/7758 Pilot or servo controlled

Abstract

Devices, systems, and methods for processing sample materials. The sample materials may be located in a plurality of process chambers in the device, which is rotated during heating of the sample materials.

Claims

1. A sample processing device comprising:

a first chamber defining a first volume for containing sample material;

a second chamber defining a second volume for containing sample material and comprising a fluid;

a first channel fluidically connecting the first chamber and second chamber; and

a second channel in fluidic communication with the second chamber, wherein the second channel provides a path for the fluid to exit the second chamber when the sample material enters the second chamber; and

a valve located in the channel between the first chamber and the second chamber, wherein the valve comprises an impermeable membrane closing the first channel, and wherein the valve is opened by forming a void through the impermeable membrane using electromagnetic energy.

2. The device according to claim 1, wherein the electromagnetic energy is laser energy.

3. The device according to claim 1, wherein the second chamber is located radially outward of the first chamber.

4. The device according to claim 1, wherein the fluid comprises air.

5. The device according to claim 4, wherein the air is displaced from the second chamber as the sample material enters the second chamber from the first chamber.

6. The device according to claim 1, further comprising a rotatable substrate comprising the first chamber, the second chamber, the first channel, the second channel, and the valve, wherein the sample material is configured to flow from the first chamber to the second chamber through the first channel upon opening of the valve when the substrate is rotated at a non-zero rotational speed.

7. The device according to claim 1, wherein the second channel is in fluid communication with the first and second chambers, wherein when the sample material moves from the first chamber to the second chamber, the fluid moves from the second chamber to the first chamber through the second channel.

8. The device according to claim 1, further comprising a via in fluid communication with the second channel, wherein when the sample material moves from the first chamber to the second chamber, the fluid moves from the second chamber to the via through the second channel.

9. The device according to claim 1, wherein the first channel provides a downstream path for the sample material and the second channel provides an upstream path for the fluid.

16. The device according to any one of claims 1, 10, and 11, wherein the impermeable membrane is separate and distinct from the substrate.

17. The device according to any one of claims 1, 10, and 11, wherein the impermeable membrane is molded integral with the substrate.

18. The device according to any one of claims 1, 10, and 11, wherein the impermeable membrane comprises a coating of material susceptible of absorbing at least some of the electromagnetic energy of selected wavelengths transmitted by the first cover and converting that electromagnetic energy to heat.

45. The sample processing device of any one of claims 1, 10, and 11, wherein the impermeable membrane comprises a polymer and a dye that absorbs light energy

46. The sample processing device of claim 45, wherein the polymer comprises polypropylene, polyethylene, polystyrene, and combinations thereof

47. The sample processing device of claim 46, wherein the dye material is carbon black.

10. A sample processing device comprising:

a first chamber defining a first volume;

a second chamber defining a second volume and comprising a fluid;

a first channel providing a downstream path from the first chamber to the second chamber; and

a second channel providing an upstream path from the second chamber to a via; and

a valve located in the channel between the first chamber and the second chamber, wherein the valve comprises an impermeable membrane closing the first channel, and wherein the valve is opened by forming a void through the impermeable membrane using electromagnetic energy.

11. A sample processing device comprising:

a substrate that comprises first and second major sides, the first major side of the substrate defining a via, and a first cover attached to the first major side of the substrate, wherein the first cover transmits electromagnetic energy of selected wavelengths;

a plurality of process chamber arrays formed in the substrate, each process chamber array of the plurality of process chamber arrays comprising;

a first chamber defining a volume for containing sample material;

a second chamber defining a volume for containing sample material and comprising a first fluid;

a first channel extending between the first chamber and second chamber; and

a second channel in fluidic communication with the second chamber, the second channel being configured to provide a path for the fluid to exit the second chamber as the sample material enters the second chamber;

wherein the plurality of process chamber arrays are arranged radially on the substrate such that the second chamber is located radially outward of the first chamber in each of the process chamber arrays; and

a valve located in the channel between the first chamber and the second chamber in at least one process array of the plurality of process arrays, wherein the valve comprises an impermeable membrane closing the first channel, and wherein the valve is opened by forming a void through the impermeable membrane using electromagnetic energy passing through the first cover.

12. The device according to claim 11, wherein the fluid comprises air.

13. The device according to claim 11, wherein the second channel is in fluid communication with the first and second chambers, wherein when the sample material moves from the first chamber to the second chamber, the fluid moves from the second chamber to the first chamber through the second channel.

14. The device according to claim 11, the first major side of the substrate defining a via, the second channel being in fluid communication with the via, wherein when the sample material moves from the first chamber to the second chamber, the fluid moves from the second chamber to the via through the second channel.

15. The device according to claim 11, wherein the channel comprises a via formed in the substrate, the via comprising an opening at the first major side of the substrate, wherein the first cover extends over the opening, and wherein the impermeable membrane is located within the via.

19. The device according to claim 11, wherein the valve further comprises a permeable support proximate the impermeable membrane.

20. The device according to claim 11, wherein the channel comprises a via formed in the substrate, the via comprising an opening at the first major side of the substrate, wherein the first cover extends over the opening, and wherein the impermeable membrane and the permeable support are both located within the via.

21. The device according to claim 11, further comprising a second cover attached to the second major surface of the substrate, wherein the second cover comprises metallic layer.

22. A device according to claim 11, wherein the first cover is adhesively attached to the first major side of the substrate.

23. The device according to claim 11, wherein the substrate further comprises a top layer, a bottom layer, and a valve layer located between the first layer and the second layer, wherein the impermeable membrane of the valve in at least some process chamber arrays of the plurality of process chamber arrays comprises a portion of the valve layer.

24. The device according to claim 23, wherein the valve layer comprises material susceptible of absorbing at least some of the electromagnetic energy of selected wavelengths transmitted by the first cover and converting that electromagnetic energy to heat.

25. The device according to claim 11, wherein the substrate further comprises a top layer, a bottom layer, and a valve layer located between the first layer and the second layer, wherein the impermeable membrane of the valve all of the process chamber arrays of the plurality of process chamber arrays comprises a portion of the valve layer.

26. The device according to claim 25, wherein the valve layer is coextensive with the top and bottom layers of the substrate.

27. The device according to claim 25, wherein the valve layer comprises a coating of material susceptible of absorbing at least some of the electromagnetic energy of selected wavelengths transmitted by the first cover and converting that electromagnetic energy to heat.

28. A method comprising:

opening a valve of a sample processing device by passing electromagnetic energy of selected wavelengths through a first cover of the sample processing device, wherein the electromagnetic energy of selected wavelengths forms a void through an impermeable membranes of the valve, the sample processing device further comprising;

a first chamber defining a first volume for containing sample material;

a second chamber defining a second volume for containing sample material;

a first channel providing a downstream path from the first chamber to the second chamber, wherein the valve is located in the first channel between the first chamber and the second chamber; and

a second channel providing an upstream path from the second chamber to a via; and

rotating the sample processing device to pass a first fluid from the first chamber to the second chamber through the void in the impermeable membrane of the valve, wherein a second fluid passes into the via through the second channel as the first fluid passes into the second chamber.

33. A method according to any one of claims 28 and 29, wherein the impermeable membrane comprises a coating of material susceptible of absorbing at least some of the electromagnetic energy of selected wavelengths.

34. A method according to any one of claims 28 and 29, wherein the impermeable membrane comprises material susceptible of absorbing at least some of the electromagnetic energy of selected wavelengths, wherein the material is contained within the impermeable membrane.

42. The method of any one of claims 28 and 29, wherein the impermeable membrane comprises a polymer and a dye that absorbs light energy

43. The method of claim 42, wherein the polymer comprises polypropylene, polyethylene, polystyrene, and combinations thereof

44. The method of claim 42, wherein the dye material is carbon black.

29. A method of controlling fluid flow through a sample processing device, the method comprising:

providing a sample processing device comprising;

a substrate that comprises first and second major sides and a first cover attached to the first major side of the substrate;

a plurality of process chamber arrays formed in the substrate, each process chamber array of the plurality of process chamber arrays comprising;

a first chamber defining a volume for containing sample material;

a second chamber defining a volume for containing sample material and comprising a first fluid;

a first channel extending between the first chamber and second chamber;

a second channel in fluidic communication with the second chamber, the second channel being configured to provide a path for the first fluid to exit the second chamber when the sample material enters the second chamber; and

a valve located in the first channel between the first chamber and the second chamber, wherein the valve comprises an impermeable membrane closing the first channel;

opening the valves in one or more of the process chamber arrays of the plurality of process chamber arrays by passing electromagnetic energy of the selected wavelengths through the first cover, wherein the electromagnetic energy of selected wavelengths forms a void through the impermeable membranes of the valves in the one or more process chamber arrays; and

rotating the sample processing device to pass a second fluid from the first chamber to the second chamber of one or more of the process chamber arrays through the voids in the impermeable membranes of the valves in the one or more process chamber arrays, wherein the first fluid is displaced from each second chamber as the second fluid passes into the second chamber.

30. The method according to claim 29, wherein the substrate of the sample processing device defines a via in fluidic communication with the second channel, and the first fluid from each second chamber passes from the second chamber to the via through the second channel.

31. The method according to claim 29, wherein the first fluid is air.

32. A method according to claim 29, wherein the plurality of process chamber arrays are arranged radially with respect to an axis of rotation about which the substrate is rotated to pass fluid through the voids in the impermeable membranes of the valves in the one or more process chamber arrays, wherein the second chamber is located radially outward of the first chamber in each of the process chamber arrays.

35. The method according to claim 29, wherein the channel in at least some of the process chamber arrays of the plurality of process chamber arrays comprises a via formed in the substrate, the via comprising an opening at the first major side of the substrate, wherein the first cover extends over the opening and the impermeable membrane is located within the via, and wherein the method further comprises directing the electromagnetic energy of selected wavelengths into the vias.

36. The method according to claim 29, wherein the electromagnetic energy of selected wavelengths is emitted by a laser.

37. A method of moving sample material within a sample processing device, the method comprising:

providing a device comprising a plurality of process chamber arrays, each process chamber array of the plurality of process chamber arrays comprising a first process chamber, a second process chamber, a valve located between the first process chamber and the second process chamber, the valve comprising an impermeable barrier, and a equilibrium channel in fluid communication with the second process chamber; and

providing sample material in the first process chamber of the at least one process chamber array;

placing the first process chamber of the at least one process chamber array in fluid communication with the second process chamber of the at least one process chamber array by forming a void in the impermeable barrier of the valve using electromagnetic energy of selected wavelengths through a cover attached to a surface of the device; and

moving the sample material from the first process chamber of the at least one process chamber array to the second process chamber in the at least one process chamber array through the void by rotating the device, wherein air moves out of the second chamber in the at least one process chamber array through the respective equilibrium channel as the sample material is moved from the first process chamber to the second process chamber.

38. The method according to claim 37, wherein the plurality of process chamber arrays are arranged radially with respect to an axis of rotation about which the device is rotated to move the sample material from the first process chamber of the at least one process chamber array to the second process chamber in the at least one process chamber array, wherein the second process chamber is located radially outward of the first process chamber in each of the process chamber arrays.

39. The method according to claim 37, wherein the valve further comprises a permeable support member proximate the impermeable barrier.

40. The method according to claim 37, further comprising filtering the sample material while moving the sample material from the first process chamber to the second process chamber in the at least one process chamber array.

41. The method according to claim 37, wherein each process chamber array further comprises an equilibrium via in fluid communication with the equilibrium channel, and upon moving the sample from the first process chamber of the at least one process chamber array to the second process chamber in the at least one process chamber array through the void by rotating the device, the air moves out of the second chamber in the at least one process chamber array through the respective equilibrium channel and into the respective equilibrium via.