Image analysis and measurement of biological samples
Methods, devices, apparatus, and systems are provided for image analysis. Methods of image analysis may include observation, measurement, and analysis of images of biological and other samples; devices, apparatus, and systems provided herein are useful for observation, measurement, and analysis of images of such samples. The methods, devices, apparatus, and systems disclosed herein provide advantages over other methods, devices, apparatus, and systems.
1. A system for imaging a sample in a sample holder, comprising:
a movable stage having a cavity for receiving the sample holder
a light source for illuminating the sample held within said sample holder, said light source directing light within a first plane,
an objective lens configured to collect and focus scattered light from said sample held within said sample holder, wherein said scattered light comprises light scattered at a plurality of scatter angles,
a ring light mounted coaxially about a center axis of the objective lens;
an angled reflective surface for directing light from the light source in a direction outward from said first plane towards said objective lens;
a color wheel of filters for passing light from said objective lens, and
a further lens configured to focus light from said objective lens onto an optical aperture,
wherein the color wheel of filters is aligned in a first plane and the ring light is aligned in a second plane orthogonal to the first plane;
wherein the movable stage is aligned in a third plane parallel to the first plane.
2. The system of claim 1 , further comprising a handling unit configured to be coupled to a sample vessel to facilitate transport of sample vessel on and off the stage, and increase mechanical rigidity of the sample vessel.
3. The system of claim 1 , where the light source and a detector for receiving light from the objective lens are in parallel planes.
4. The system of claim 1 , where the light source and a detector for receiving light from the objective lens are in the same plane.
5. The system of claim 1 wherein the sample holder comprises a cytometry cuvette comprising a plurality of linear channels for containing sample and a plurality of circular structures between said linear channels.
6. The system of claim 5 wherein the cytometry cuvette comprises a first the circular structures coupled to a first of the linear channels coupled to a second of the circular structures coupled to a second of the linear channels coupled to a third of the circular structures, wherein the second of the circular structures comprises a plurality of ports therein.
7. The system of claim 1 wherein the sample holder is configured to hold the sample in a static, non-flowing manner during imaging.
8. The system of claim 1 wherein said optical aperture is configured to allow only a portion of light focused by said further lens to pass through the aperture.
9. The system of claim 1 wherein the light source and the objective lens are both below the movable stage.
10. A system for imaging a sample in a sample holder, comprising:
a movable stage having a cavity for receiving the sample holder
a light source for illuminating the sample held within said sample holder, said light source directing light within a first plane,
an objective lens configured to collect and focus scattered light from said sample held within said sample holder, wherein said scattered light comprises light scattered at a plurality of scatter angles,
a ring light mounted coaxially about a center axis of the objective lens;
an angled reflective surface for directing light from the light source in a direction outward from said first plane towards said objective lens;
a color wheel of filters for passing light from said objective lens, and
a further lens configured to focus light from said objective lens onto an optical aperture,
wherein the color wheel of filters is aligned in a first plane and the ring light is aligned in a second plane orthogonal to the first plane;
wherein the movable stage is aligned in a third plane parallel to the first plane;
wherein the light source and the objective lens are both on one side of the movable stage.
11. The system of claim 10 wherein the sample holder comprises a cytometry cuvette comprising a plurality of linear channels for containing sample and a plurality of circular structures between said linear channels.
12. The system of claim 11 wherein the cytometry cuvette comprises a first the circular structures coupled to a first of the linear channels coupled to a second of the circular structures coupled to a second of the linear channels coupled to a third of the circular structures, wherein the second of the circular structures comprises a plurality of ports therein.
13. The system of claim 10 wherein the sample holder is configured to hold the sample in a static, non-flowing manner during imaging.
14. The system of claim 10 wherein said optical aperture is configured to allow only a portion of light focused by said further lens to pass through the aperture.
15. The system of claim 10 wherein the light source and the objective lens are both below the movable stage.
16. A system for imaging a sample in a sample holder, comprising:
a movable stage having a cavity for receiving the sample holder
a light source for illuminating the sample held within said sample holder, said light source directing light within a first plane,
an objective lens configured to collect and focus scattered light from said sample held within said sample holder, wherein said scattered light comprises light scattered at a plurality of scatter angles,
a ring light mounted coaxially about a center axis of the objective lens;
an angled reflective surface for directing light from the light source in a direction outward from said first plane towards said objective lens;
a color wheel of filters for passing light from said objective lens, and a further lens configured to focus light from said objective lens onto said optical aperture,
wherein the color wheel of filters is aligned in a first plane and the ring light is aligned in a second plane orthogonal to the first plane;
wherein the movable stage is aligned in a third plane parallel to the first plane;
wherein the sample holder comprises one or more optically non-transmissive surfaces.
17. The system of claim 16 wherein the sample holder comprises a cytometry cuvette comprising a plurality of linear channels for containing sample and a plurality of circular structures between said linear channels.
18. The system of claim 17 wherein the cytometry cuvette comprises a first the circular structures coupled to a first of the linear channels coupled to a second of the circular structures coupled to a second of the linear channels coupled to a third of the circular structures, wherein the second of the circular structures comprises a plurality of ports therein.
19. The system of claim 1 wherein the sample holder is configured to hold the sample in a static, non-flowing manner during imaging.
20. The system of claim 1 wherein said optical aperture is configured to allow only a portion of light focused by said further lens to pass through the aperture.
21. The system of claim 1 wherein the light source and the objective lens are both below the movable stage.