MONITORING SYSTEM FOR CELL CULTURE

• US 20130316442A1
• Filed: 02/06/2012
• Published: 11/28/2013
• Est. Priority Date: 02/07/2011
• Status: Abandoned Application

• Current Assignee: Ecole polytechnique fãdãrale de lausanne epfl (Schweizerische Eidgenossenschaft)
• Original Assignee: Ecole polytechnique fãdãrale de lausanne epfl (Schweizerische Eidgenossenschaft)
• Inventors: Meurville, Eric, Barrandon, Yann, Abou-Jaoude, Georges
• Application Number:
  US13/983,556
• Publication Number:
  US 20130316442A1
• Time in Patent Office: Days
• US Class Current: 435/287.5
• CPC Class Codes: C12M 41/00 Means for regulation, monitoring, measurement or control, e.g. flow regulation controlling or regulating chemical, physical or physicochemical processes B01J19/0006; heating or cooling apparatus for laboratory use B01L7/00; electro optical investigation of individual particles, flow cytometers G01N15/14; automatic analysis G01N35/00; controlling or regulating in general G06N
• CPC Class Codes: C12M 41/14 Incubators; Climatic chambers per se B01L1/00
• CPC Class Codes: C12M 41/48 Automatic or computerized control automatic analysis G01N35/00
• CPC Class Codes: G06K 7/10366 the interrogation device being adapted for miscellaneous applications

Abstract

Cell culture environment monitoring system (6) for monitoring parameters relevant to cell growth in at least one culture dish (4) containing a cell growth medium (14), including at least one sensing device (22, 22′) configured to measure environmental parameters relevant to cell growth, and a tray (24) supporting said at least one culture dish. The sensing device is configured for mounting inside said culture dish at least partially within said cell growth medium, and comprises an RFID transponder (34). The tray (24) comprises an RFID base station (44) configured to interrogate the RFID transponder to obtain measurements of said parameters relevant to cell growth.

Claims

1-18. -18. (canceled)

19. Cell culture environment monitoring system for monitoring parameters relevant to cell growth in at least one culture recipient containing a cell growth medium, including at least one sensing device comprising an RFID transponder, and a tray supporting said at least one culture recipient comprising an RFID base station, wherein said sensing device is a disposable single-use sensing device configured to measure environmental parameters relevant to cell growth and is independent from the culture recipient and configured for mounting inside said culture recipient and for immersion at least partially within said cell growth medium for measuring at least one parameter within the cell growth medium, and said RFID base station is configured to interrogate the RFID transponder to obtain measurements of said parameters relevant to cell growth, including said at least one parameter within the cell growth medium.

20. Cell culture environment monitoring system according to claim 19, wherein the tray comprises a support base configured to support and position thereon a plurality of said culture recipients, and the system comprises a plurality of said disposable single-use sensing devices for mounting in the plurality of culture recipients.

21. Cell culture environment monitoring system according to claim 20, wherein the RFID base station includes an antenna mounted in or on the support base configured to enable communication between the RFID base station and the plurality of disposable single-use sensing devices positioned in the plurality of culture recipients.

22. Cell culture environment monitoring system according to claim 21, wherein the antenna comprises a conductor loop surrounding the plurality of culture recipients configured for near-field communication with the sensing devices.

23. Cell culture environment monitoring system according to claim 20, wherein the support base comprises optical inspection ports positioned below the culture recipients to allow passage of light through the culture recipient and growth medium for optical inspection or testing.

24. Cell culture environment monitoring system according to claim 19, wherein the RFID base station comprises a signal processing circuit that includes an RFID interrogator, a microprocessor, a power source, a communications interface configured for wireless and/or hardwire link to an external computing and user interface system, and optionally a memory for storing or logging data received from the sensing devices.

25. Cell culture environment monitoring system according to claim 19, wherein the disposable single-use sensing device comprises a plurality of sensors responsive to different ones of said parameters relevant to cell growth.

26. Cell culture environment monitoring system according to claim 19, wherein the disposable single-use sensing device further includes a microprocessor, and energy harvesting and storage means for short term power supply of the RFID transponder, microprocessor and sensors.

27. Cell culture environment monitoring system according to claim 19, wherein the disposable single-use sensing device comprises a support or base on which, or within which, sensors, and signal processing circuitry are mounted, the support comprising an adhesive base configured to allow the sensing device to be stuck on an inside surface of the culture recipient and immersed partially or totally in the cell culture growth medium.

28. Cell culture environment monitoring system according to claim 19, wherein said parameters relevant to cell growth include any one or more of the parameters selected from the group consisting of temperature, pH, Ca⁺⁺, CO₂, glucose, O₂ and light.

29. Cell culture environment monitoring system according to claim 19, wherein the disposable single-use sensing device comprises sensor probes that extend at different lengths, certain said sensor probes configured for insertion in the cell growth medium and other said sensor probes configured to remain outside of the growth medium such that parameters within the growth medium and the gaseous environment surrounding the growth medium can be measured.

30. Cell culture growth system comprising a plurality of disposable single-use culture recipients, a cell growth medium contained in the culture recipients, and a cell culture environment monitoring system for monitoring parameters relevant to cell growth in the plurality of culture recipients, including a plurality of disposable single-use sensing devices configured to measure environmental parameters relevant to cell growth in said plurality of culture recipients, and a tray supporting said plurality of culture recipients, wherein each sensing device comprises an RFID transponder and is configured for mounting inside a corresponding said culture recipient, and said tray comprises an RFID base station configured to interrogate the RFID transponder to obtain measurements of said parameters relevant to cell growth from said plurality of disposable single-use sensing devices positioned inside the culture recipients.

31. Cell culture growth system according to claim 30, wherein at least one of said plurality of disposable single-use sensing devices is immersed or partially immersed in the cell growth medium in at least one of said plurality of recipients, for measuring at least one parameter relevant to cell growth within the corresponding cell growth medium.

32. Cell culture growth system according to claim 31, wherein at least one of said plurality of disposable single-use sensing devices is outside of the cell growth medium in said at least one of said plurality of recipients, for measuring at least one parameter relevant to cell growth outside of the corresponding cell growth medium.

33. Cell culture growth system according to claim 32, wherein the immersed disposable single-use sensing device is mounted on a bottom wall of a container part of the culture recipient, and the other disposable single-use sensing device is mounted on a cover of the culture recipient.

34. Cell culture growth system according to claim 30, wherein said sensing device is a disposable single-use sensing device independent from the culture recipient and configured for mounting inside said culture recipient and for immersion at least partially within said cell growth medium for measuring at least one parameter within the cell growth medium.

35. Cell culture growth system according to claim 30, wherein the RFID base station includes an antenna mounted in or on the support base configured to enable communication between the RFID base station and the plurality of disposable single-use sensing devices positioned in the plurality of culture recipients.

36. Cell culture growth system according to claim 35, wherein the antenna comprises a conductor loop surrounding the plurality of culture recipients configured for near-field communication with the sensing devices.

37. Cell culture growth system according to claim 30, wherein the support base comprises optical inspection ports positioned below the culture recipients to allow passage of light through the culture recipient and growth medium for optical inspection or testing.

38. Cell culture growth system according to claim 30, wherein the RFID base station comprises a signal processing circuit that includes an RFID interrogator, a microprocessor, a power source, a communications interface configured for wireless and/or hardwire link to an external computing and user interface system, and optionally a memory for storing or logging data received from the sensing devices.

39. Cell culture growth system according to claim 30, wherein the disposable single-use sensing device comprises a plurality of sensors responsive to different ones of said parameters relevant to cell growth.

40. Cell culture growth system according to claim 30, wherein the disposable single-use sensing device further includes a microprocessor, and energy harvesting and storage means for short term power supply of the RFID transponder, microprocessor and sensors.

41. Cell culture growth system according to claim 30, wherein the disposable single-use sensing device comprises a support or base on which, or within which, sensors, and signal processing circuitry are mounted, the support comprising an adhesive base configured to allow the sensing device to be stuck on an inside surface of the culture recipient and immersed partially or totally in the cell culture growth medium.

42. Cell culture growth system according to claim 30, wherein said parameters relevant to cell growth include temperature.

43. Cell culture growth system according to claim 42, wherein said parameters relevant to cell growth further include pH.

44. Cell culture growth system according to claim 43, wherein said parameters relevant to cell growth further include any one or more of the parameters selected from the group consisting of Ca⁺⁺, CO₂, glucose, O₂ and light.

45. Cell culture growth system according to claim 44, wherein the disposable single-use sensing device comprises sensor probes that extend at different lengths, certain said sensor probes configured for insertion in the cell growth medium and other said sensor probes configured to remain outside of the growth medium such that parameters within the growth medium and the gaseous environment surrounding the growth medium can be measured.