Measuring volume and constituents of cells
First Claim
1. A method of determining a volume of a platelet, the method comprising:
- (a) illuminating the platelet with incident light at a plurality of illumination wavelengths;
(b) obtaining at least one two-dimensional image of the platelet corresponding to each illumination wavelength;
(c) for each illumination wavelength, determining a mean optical density and a maximum optical density for the platelet;
(d) determining an area of the platelet;
(e) for each illumination wavelength, determining a volume of the platelet based on the area of the platelet and the mean optical density and maximum optical density for the platelet corresponding to the illumination wavelength;
(f) for each illumination wavelength, determining an integrated optical density for the platelet based on the area of the platelet and the mean optical density for the platelet corresponding to the illumination wavelength; and
(g) determining the volume of the platelet based on a weighted combination of the area of the platelet, the volumes of the platelet corresponding to each of the illumination wavelengths, and the integrated optical densities for the platelet corresponding to each of the illumination wavelengths.
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Accused Products
Abstract
A method of determining a volume of a platelet includes: (a) illuminating the platelet with incident light at a plurality of illumination wavelengths; (b) obtaining at least one two-dimensional image of the platelet corresponding to each illumination wavelength; (c) for each illumination wavelength, determining a mean optical density and a maximum optical density for the platelet; (d) determining an area of the platelet; (e) for each illumination wavelength, determining a volume of the platelet; (f) for each illumination wavelength, determining an integrated optical density for the platelet; and (g) determining the volume of the platelet based on a weighted combination of the area of the platelet, the volumes of the platelet corresponding to each of the illumination wavelengths, and the integrated optical densities for the platelet corresponding to each of the illumination wavelengths.
131 Citations
40 Claims
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1. A method of determining a volume of a platelet, the method comprising:
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(a) illuminating the platelet with incident light at a plurality of illumination wavelengths; (b) obtaining at least one two-dimensional image of the platelet corresponding to each illumination wavelength; (c) for each illumination wavelength, determining a mean optical density and a maximum optical density for the platelet; (d) determining an area of the platelet; (e) for each illumination wavelength, determining a volume of the platelet based on the area of the platelet and the mean optical density and maximum optical density for the platelet corresponding to the illumination wavelength; (f) for each illumination wavelength, determining an integrated optical density for the platelet based on the area of the platelet and the mean optical density for the platelet corresponding to the illumination wavelength; and (g) determining the volume of the platelet based on a weighted combination of the area of the platelet, the volumes of the platelet corresponding to each of the illumination wavelengths, and the integrated optical densities for the platelet corresponding to each of the illumination wavelengths. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A system for determining a volume of a platelet, the system comprising:
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an illumination source configured to illuminate the platelet with incident light at a plurality of illumination wavelengths; a detector configured to obtain at least one two-dimensional image of the platelet corresponding to each illumination wavelength; and an electronic processor configured to; (a) determine a mean optical density and a maximum optical density for the platelet at each illumination wavelength; (b) determine an area of the platelet; (c) for each illumination wavelength, determine a volume of the platelet based on the area of the platelet and the mean optical density and maximum optical density for the platelet corresponding to the illumination wavelength; (d) for each illumination wavelength, determine an integrated optical density for the platelet based on the area of the platelet and the mean optical density for the platelet corresponding to the illumination wavelength; and (e) determine the volume of the platelet based on a weighted combination of the area of the platelet, the volumes of the platelet corresponding to each of the illumination wavelengths, and the integrated optical densities for the platelet corresponding to each of the illumination wavelengths. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification