Devices and methods that measure one or more properties of a living cell culture that is contained in liquid media within a vessel, and typically analyzes plural cell cultures contained in plural vessels such as the wells of a multiwell microplate substantially in parallel. The devices incorporate a
Devices and methods that measure one or more properties of a living cell culture that is contained in liquid media within a vessel, and typically analyzes plural cell cultures contained in plural vessels such as the wells of a multiwell microplate substantially in parallel. The devices incorporate a sensor that remains in equilibrium with, e.g., remains submerged within, the liquid cell media during the performance of a measurement and during addition of one or more cell affecting fluids such as solutions of potential drug compounds.
대표청구항▼
1. A cartridge which mates with a plate defining a plurality of wells, the cartridge comprising: a substantially planar element comprisinga plurality of regions corresponding to a number of respective openings of the wells in the plate, the regions being spaced apart so as to match a spacing of at l
1. A cartridge which mates with a plate defining a plurality of wells, the cartridge comprising: a substantially planar element comprisinga plurality of regions corresponding to a number of respective openings of the wells in the plate, the regions being spaced apart so as to match a spacing of at least a portion of the multiple wells;located in plural respective regions of the cartridge, at least one of a sensor to analyze a constituent in a well, andan aperture to receive a sensor, andat least one port formed in the cartridge in at least a subset of the regions, the port being adapted to deliver a test fluid to a respective well of the plate during the time said sensor is disposed within liquid within said well. 2. The cartridge of claim 1, wherein the port forms a capillary aperture to retain test fluid in the port absent an external force. 3. The cartridge of claim 2, wherein the external force is selected from the group consisting of a positive pressure differential force, a negative pressure differential force, and a centrifugal force. 4. The cartridge of claim 1, wherein the sensor is compliantly attached to the planar element. 5. The cartridge of claim 1, further comprising a second port formed in the cartridge in the at least one region, the second port adapted to deliver a second test fluid to the respective well. 6. The cartridge of claim 1, wherein the cartridge forms a cover for the multiwell plate to reduce at least one of contamination and evaporation of sample in the multiwell plate. 7. The cartridge of claim 1, further comprising, in multiple regions of the cartridge, at least one port and at least one of the sensor and an aperture adapted to receive the sensor. 8. The cartridge of claim 7, wherein all of the ports are in fluidic communication. 9. The cartridge of claim 7, further comprising a second port formed in the cartridge in every region. 10. The cartridge of claim 9, wherein the second ports are in fluidic communication with each other and not in fluidic communication with other ports. 11. The cartridge of claim 7 comprising 24, 96, or 384 regions mated with 24, 96, or 384 well multiwell plates, each region comprising said sensor or a portion thereof or an aperture adapted to receive the sensor, and a set of 2, 3, 4, 5, 6, 7, or 8 ports. 12. The cartridge of claim 11, further comprising a multiplexer in fluidic communication with each set of ports. 13. The cartridge of claim 12, wherein the multiplexer is adapted to connect to a single pneumatic source to permit delivering fluid to the wells sequentially from each set of ports. 14. The cartridge of claim 1 wherein the at least one of the sensor or portion thereof adapted to analyze a constituent in a well and the aperture adapted to receive the sensor comprises a sensor sleeve structure having a light translucent surface and disposed thereon a fluorophore having fluorescent properties dependent on at least one of the presence and the concentration of a constituent in the well. 15. The cartridge of claim 14 wherein the sensor sleeve further comprises an elongate housing to receive a wave guide for at least one of stimulating the fluorophore and receiving fluorescent emissions from the fluorophore.
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