Analytical systems, devices, and cartridges therefor
View Patent ↗Described here are systems, devices, cartridges, methods, and kits for detecting or quantifying at least two different analytes using at least two different techniques, in a single sample. The cartridges typically comprise at least two test sites and the location of at least one test site is not dependent on a corresponding measurement device. The systems generally comprise a device, memory, and a processing module. The device comprises a light source, an array detector, and a port configured to accept at least a portion of a cartridge. The processing module is configured to perform an image analysis of the cartridge. The methods comprise the steps of acquiring calibration information, acquiring an image of the cartridge, performing an image analysis, and cycling through specific detection or quantification techniques corresponding to the techniques required by the test sites. Computer readable media are also described.
1. A cartridge comprising at least one reagent and at least two test sites, each test site having at least one test site read zone for the detection or quantification of an analyte the first of the at least two test sites being comprised of more layers than the second of the at least two test sites, one of the test sites having a height greater than the other.
2. The cartridge of claim 1 , wherein the testing techniques for the detection or quantification of the analytes are independently selected from the group consisting of enzyme assays, specific binding assays, immunoassays, nucleic acid hybridization assays, fluorescence labeling, chemiluminescent labeling, electrochemiluminescent labeling, fluorescence measurement, chemiluminescent measurement, electrochemiluminescent measurement, reflectance measurement, transmittance measurement, absorbance measurement, turbidity measurement, electrochemistry, and combinations thereof.
3. The cartridge of claim 1 , comprising at least three test site read zones.
4. The cartridge of claim 1 , comprising at least six test site read zones.
5. The cartridge of claim 1 , wherein at least one test site is configured to detect or quantify an analyte that is treatment, disease, disorder, or ailment specific.
6. The cartridge of claim 1 , wherein at least one test site is configured to detect or quantify an analyte that is a substance of abuse.
7. The cartridge of claim 1 , wherein at least one test site is configured to detect or quantify an analyte that is a medicament or a by-product thereof.
8. The cartridge of claim 1 , wherein at least one test site is configured to detect or quantify an analyte that is an environmental toxin or contaminant.
9. The cartridge of claim 1 , wherein at least one test site is configured to detect or quantify an analyte that is a biological or chemical warfare agent.
10. The cartridge of claim 1 , further comprising a unique identifier tag.
11. The cartridge of claim 10 , wherein the unique identifier tag is selected from the group consisting of a bar code, a mechanical pattern, a microchip, and a printed pattern.
12. The cartridge of claim 1 , wherein the cartridge is housed in a sealed, but openable moisture resistant package.
13. The cartridge of claim 1 , configured to accept a sample volume of about 20 μL or less.
14. The cartridge of claim 1 , configured to accept a sample of bodily fluid.
15. The cartridge of claim 14 , wherein the bodily fluid is selected from the group consisting of whole blood, plasma, serum, sweat, saliva, tears, interstitial fluid, spinal fluid, ocular fluid, pus, milk, semen, amniotic fluid, vaginal secretions, mucous secretions, and urine.
16. The cartridge of claim 1 , further comprising a bottom layer and a sample distribution layer, wherein at least a portion of said bottom layer is non-porous and the test site read zones are adjacent to or embedded within the sample distribution layer.
17. The cartridge of claim 16 , further comprising a retaining layer, wherein the retaining layer is configured to adhere together the bottom layer, the sample distribution layer, and the test sites.
18. The cartridge of claim 1 , wherein said cartridge comprises a portion adapted to mate with a device, said portion having at least one test site read zone.
19. The cartridge of claim 1 , wherein the first of the at least two test sites has a height greater than the height of the second of the at least two test sites.
20. The cartridge of claim 16 , wherein the sample distribution layer is comprised of photoresist materials.
21. The cartridge of claim 1 , wherein the at least two test sites are configured to use at least two different techniques for the detection or quantification of at least two analytes, wherein the at least two analytes are structurally and chemically the same, but have different concentrations.
22. The cartridge of claim 1 , wherein the number of layers in the first test site is two.