Apparatuses and methods for manipulating droplets
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01L-003/00
G01N-027/447
B01F-013/00
B01L-007/00
B81B-003/00
B81C-001/00
C12Q-001/68
G05D-007/06
H01L-021/67
출원번호
US-0538322
(2014-11-11)
등록번호
US-9110017
(2015-08-18)
발명자
/ 주소
Pollack, Michael G.
Pamula, Vamsee K.
Fair, Richard B.
출원인 / 주소
DUKE UNIVERSITY
대리인 / 주소
Barrett, Willam A.
인용정보
피인용 횟수 :
0인용 특허 :
211
초록▼
Apparatuses and methods for manipulating droplets are disclosed. In one embodiment, an apparatus for manipulating droplets is provided, the apparatus including a substrate, multiple arrays of electrodes disposed on the substrate, wherein corresponding electrodes in each array are connected to a comm
Apparatuses and methods for manipulating droplets are disclosed. In one embodiment, an apparatus for manipulating droplets is provided, the apparatus including a substrate, multiple arrays of electrodes disposed on the substrate, wherein corresponding electrodes in each array are connected to a common electrical signal, and a dielectric layer disposed on the substrate first side surface and patterned to cover the electrodes.
대표청구항▼
1. An apparatus for manipulating droplets, the apparatus comprising: (a) a first printed circuit board substrate comprising a first side surface and a second side surface;(b) an array of drive electrodes disposed on the first printed circuit board substrate first side surface;(c) a dielectric layer
1. An apparatus for manipulating droplets, the apparatus comprising: (a) a first printed circuit board substrate comprising a first side surface and a second side surface;(b) an array of drive electrodes disposed on the first printed circuit board substrate first side surface;(c) a dielectric layer disposed on the first printed circuit board substrate first side covering the drive electrodes;(d) a second substrate comprising a first side surface and a second side surface, the second substrate being substantially parallel to and spaced apart from the first printed circuit board substrate by a distance to define a space between the second substrate second side surface and the first printed circuit board substrate first side surface, wherein the distance is sufficient to contain a droplet disposed in the space; and(e) one or more reference elements disposed on the second substrate second side surface. 2. The apparatus according to claim 1 wherein the first printed circuit board substrate comprises a plurality of substrate apertures defined therein and extending from the first side surface of the first printed circuit board substrate to the second side surface of the first printed circuit board substrate and each electrode comprises an electrode aperture, wherein each electrode aperture is aligned with one of the plurality of substrate apertures to define a plurality of via holes through the apparatus. 3. The apparatus according to claim 2 wherein the via holes are filled with a dielectric substance. 4. The apparatus according to claim 2 wherein the via holes are filled with a resin. 5. The apparatus according to claim 4 wherein the resin is a conductive epoxy or an optically transparent epoxy. 6. The apparatus according to claim 1 wherein the first printed circuit board substrate defines at least one droplet inlet port adjacent with at least one of the drive electrodes of the drive electrode array. 7. The apparatus according to claim 6 wherein the at least one droplet inlet port is in communication with a liquid flow source selected from the group consisting of a flexible tube, a syringe, a pipettor, an external fluidic pump, a glass capillary tube, an intra-venous line, and a microdialysis lumen. 8. The apparatus according to claim 6 wherein the first printed circuit board substrate defines at least one droplet outlet port adjacent with at least one of the drive electrodes of the drive electrode array. 9. The apparatus according to claim 8 wherein the at least one droplet outlet port is in communication with a liquid flow source selected from the group consisting of a flexible tube, a syringe, a pipettor, an external fluidic pump, a glass capillary tube, an intra-venous line, and a microdialysis lumen. 10. The apparatus according to claim 1 wherein the dielectric substance is a soldermask material, spin-on material, dip-coatable material, brush or spray-coatable, vapor depositable, or sputtered material. 11. The apparatus according to claim 10 wherein the soldermask material is selected from the group consisting of liquid photoimageable soldermask (LPI) and dry film soldermask (DFSS). 12. The apparatus according to claim 1 further comprising an electronic component operatively connected to the first printed circuit board substrate, the electronic component being selected from the group consisting of microcontrollers, relays, high voltage multiplexers, voltage converters, light emitting diodes (LEDs), photodiodes, photo-multiplier tubes (PMT), heating elements, thermistors, resistance temperature devices (RTDs), and electrochemical measurement electrodes. 13. The apparatus according to claim 1 wherein the dielectric layer disposed on the first printed circuit board substrate first side surface comprises a hydrophobic surface or coating. 14. The apparatus according to claim 1 wherein the one or more reference elements disposed on the second substrate second side surface comprises a hydrophobic surface or coating. 15. The apparatus according to claim 1 wherein the space comprises oil. 16. The apparatus according to claim 1 wherein the space is filled with oil. 17. The apparatus according to claim 1 wherein the space comprises oil and a droplet in the oil. 18. The apparatus according to claim 1 wherein the space is filled with oil and comprises a droplet in the oil. 19. An apparatus for manipulating droplets, the apparatus comprising: (a) a first printed circuit board substrate comprising a first side surface and a second side surface;(b) an array of drive electrodes disposed on the first printed circuit board substrate first side surface;(c) a dielectric substance layer disposed on the first printed circuit board substrate first side surface covering the drive electrodes;(d) a second substrate comprising a first side surface and a second side surface, the second substrate being substantially parallel to and spaced apart from the first printed circuit board substrate by a distance to define a space between the second substrate second side surface and the first printed circuit board substrate first side surface, wherein the distance is sufficient to contain a droplet disposed in the space; and(e) one or more reference elements settable to a common reference potential disposed in at least substantially co-planar relation to the drive electrode array. 20. The apparatus according to claim 19 wherein the first printed circuit board substrate comprises a plurality of substrate apertures defined therein and extending from the first side surface of the first printed circuit board substrate to the second side surface of the first printed circuit board substrate and each drive electrode comprises an electrode aperture, wherein each drive electrode aperture is aligned with one of the plurality of substrate apertures to define a plurality of via holes through the apparatus. 21. The apparatus according to claim 20 wherein the via holes are filled with the dielectric substance. 22. The apparatus according to claim 20 wherein the via holes are filled with a resin. 23. The apparatus according to claim 22 wherein the resin is a conductive epoxy or an optically transparent epoxy. 24. The apparatus according to claim 19 wherein the first printed circuit board substrate defines at least one droplet inlet port adjacent with at least one of the drive electrodes of the drive electrode array. 25. The apparatus according to claim 24 wherein the at least one droplet inlet port is in communication with a liquid flow source selected from the group consisting of a flexible tube, a syringe, a pipettor, an external fluidic pump, a glass capillary tube, an intra-venous line, and a microdialysis lumen. 26. The apparatus according to claim 24 wherein the first printed circuit board substrate defines at least one droplet outlet port adjacent with at least one of the drive electrodes of the drive electrode array. 27. The apparatus according to claim 26 wherein the at least one droplet outlet port is in communication with a liquid flow source selected from the group consisting of a flexible tube, a syringe, a pipettor, an external fluidic pump, a glass capillary tube, an intra-venous line, and a microdialysis lumen. 28. The apparatus according to claim 19 wherein the one or more reference elements comprises a grid of elongate structures. 29. The apparatus according to claim 28 wherein the height of the grid of elongate structures is at least equal to the height of the droplet disposed on the substrate first side surface. 30. The apparatus according to claim 19 wherein the dielectric substance is a soldermask material, spin-on material, dip-coatable material, brush or spray-coatable, vapor depositable, or sputtered material. 31. The apparatus according to claim 30 wherein the soldermask material is selected from the group consisting of liquid photoimageable soldermask (LPI) and dry film soldermask (DFSS). 32. The apparatus according to claim 19 further comprising an electronic component operatively connected to the first printed circuit board substrate, the electronic component being selected from the group consisting of microcontrollers, relays, high voltage multiplexers, voltage converters, light emitting diodes (LEDs), photodiodes, photo-multiplier tubes (PMT), heating elements, thermistors, resistance temperature devices (RTDs), and electrochemical measurement electrodes. 33. The apparatus according to claim 19 wherein the dielectric layer disposed on the first printed circuit board substrate first side surface comprises a hydrophobic surface or coating. 34. The apparatus according to claim 19 wherein the one or more reference elements disposed on the second substrate second side surface comprises a hydrophobic surface or coating. 35. The apparatus according to claim 19 wherein the space comprises oil. 36. The apparatus according to claim 19 wherein the space is filled with oil. 37. The apparatus according to claim 19 wherein the space comprises oil and a droplet in the oil. 38. The apparatus according to claim 19 wherein the space is filled with oil and comprises a droplet in the oil. 39. An apparatus for manipulating droplets, the apparatus comprising: (a) a first printed circuit board substrate comprising a first side surface and a second side surface;(b) an array of drive electrodes disposed on the first printed circuit board substrate first side surface;(c) a dielectric substance layer disposed on the first printed circuit board substrate first side surface covering the drive electrodes;(d) a second substrate comprising a first side surface and a second side surface, the second substrate being substantially parallel to and spaced apart from the first printed circuit board substrate by a distance to define a space between the second substrate second side surface and the first printed circuit board substrate first side surface, wherein the distance is sufficient to contain a droplet disposed in the space; and(e) an elongated reference element disposed on the second substrate second side surface. 40. The apparatus according to claim 39 wherein the first printed circuit board substrate comprises a plurality of substrate apertures defined therein and extending from the first side surface of the first printed circuit board substrate to the second side surface of the first printed circuit board substrate and each drive electrode comprises an electrode aperture, wherein each drive electrode aperture is aligned with one of the plurality of substrate apertures to define a plurality of via holes through the apparatus. 41. The apparatus according to claim 40 wherein the via holes are filled with the dielectric substance. 42. The apparatus according to claim 40 wherein the via holes are filled with a resin. 43. The apparatus according to claim 42 wherein the resin is a conductive epoxy or an optically transparent epoxy. 44. The apparatus according to claim 39 wherein the first printed circuit board substrate defines at least one droplet inlet port adjacent with at least one of the drive electrodes of the drive electrode array. 45. The apparatus according to claim 44 wherein the at least one droplet inlet port is in communication with a liquid flow source selected from the group consisting of a flexible tube, a syringe, a pipettor, an external fluidic pump, a glass capillary tube, an intra-venous line, and a microdialysis lumen. 46. The apparatus according to claim 44 wherein the first printed circuit board substrate defines at least one droplet outlet port adjacent with at least one of the drive electrodes of the drive electrode array. 47. The apparatus according to claim 46 wherein the at least one droplet outlet port is in communication with a liquid flow source selected from the group consisting of a flexible tube, a syringe, a pipettor, an external fluidic pump, a glass capillary tube, an intra-venous line, and a microdialysis lumen. 48. The apparatus according to claim 39 wherein the elongated reference element comprises one or more wires. 49. The apparatus according to claim 39 wherein the elongated reference element comprises a plate. 50. The apparatus according to claim 49 wherein the reference element plate comprises a plate surface facing the first printed circuit board substrate first side surface, and the plate surface is hydrophobic. 51. The apparatus according to claim 39 wherein the dielectric substance is a soldermask material, spin-on material, dip-coatable material, brush or spray-coatable, vapor depositable, or sputtered material. 52. The apparatus according to claim 51 wherein the soldermask material is selected from the group consisting of liquid photoimageable soldermask (LPI) and dry film soldermask (DFSS). 53. The apparatus according to claim 39 further comprising an electronic component operatively connected to the printed circuit board substrate, the electronic component being selected from the group consisting of microcontrollers, relays, high voltage multiplexers, voltage converters, light emitting diodes (LEDs), photodiodes, photo-multiplier tubes (PMT), heating elements, thermistors, resistance temperature devices (RTDs), and electrochemical measurement electrodes. 54. The apparatus according to claim 39 wherein the dielectric layer disposed on the first printed circuit board substrate first side surface comprises a hydrophobic surface or coating. 55. The apparatus according to claim 39 wherein the elongated reference element disposed on the second substrate second side surface comprises a hydrophobic surface or coating. 56. The apparatus according to claim 39 wherein the space comprises oil. 57. The apparatus according to claim 39 wherein the space is filled with oil. 58. The apparatus according to claim 39 wherein the space comprises oil and a droplet in the oil. 59. The apparatus according to claim 39 wherein the space is filled with oil and comprises a droplet in the oil.
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