Device and method for multiparametric analysis of microscopic elements
First Claim
1. A device for analyzing microscopic elements, the device comprising:
- a measurement space configured to analyze microscopic elements;
at least one source configured to deliver analyzing radiation having at least two different analyzing wavelengths and to interact with said microscopic elements within said measurement space to form interaction radiation;
fluorescent detection means for transforming at least a part of fluorescent interaction radiation originating from said measurement space into electrical signals;
scattering detection means for transforming at least a part of scattering interaction radiation originating from said measurement space into electrical signals;
analysis means for analyzing said electrical signals to allow data representative of said analyzed microscopic elements to be determined, the analysis means including decoding means for decoding said electrical signals to be analyzed as a function of code of origin;
coding means for encoding said analyzing radiation upstream of said measurement space with different codes; and
optical filtering means for selectively filtering any one of fluorescence interaction radiation and scattering interaction radiation as a function of wavelength, upstream of said detection means,wherein said coded analyzing radiation is conjugated within said measurement space.
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Abstract
The invention concerns a device (DA) for analyzing microscopic elements, comprising firstly a measuring space (CM) for microscopic elements to be analyzed, secondly at least one source (S) delivering conjugated rays at the measuring space (CM), having at least two different analyzing wavelengths and designed to interact with the microscopic elements in the measuring space (CM) to form interacting rays, thirdly coding means (M) for encoding the rays upstream of the measuring space (CM) with different codes, fourthly optical filtering means (FO) for selectively filtering the interacting rays of fluorescence and/or diffusion depending on their wavelength, fifthly detecting means (DE, DF) for transforming into electric signals part at least of the interacting rays from the measuring space (CM), and sixthly analyzing means (MA) including decoding means (DRE, DRF) for decoding the electric signals to enable data representing the analyzed microscopic elements to be determined.
42 Citations
28 Claims
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1. A device for analyzing microscopic elements, the device comprising:
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a measurement space configured to analyze microscopic elements; at least one source configured to deliver analyzing radiation having at least two different analyzing wavelengths and to interact with said microscopic elements within said measurement space to form interaction radiation; fluorescent detection means for transforming at least a part of fluorescent interaction radiation originating from said measurement space into electrical signals; scattering detection means for transforming at least a part of scattering interaction radiation originating from said measurement space into electrical signals; analysis means for analyzing said electrical signals to allow data representative of said analyzed microscopic elements to be determined, the analysis means including decoding means for decoding said electrical signals to be analyzed as a function of code of origin; coding means for encoding said analyzing radiation upstream of said measurement space with different codes; and optical filtering means for selectively filtering any one of fluorescence interaction radiation and scattering interaction radiation as a function of wavelength, upstream of said detection means, wherein said coded analyzing radiation is conjugated within said measurement space. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for analyzing microscopic elements, the method comprising:
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illuminating, from at least one source, microscopic elements within a measurement space with analyzing radiation conjugated within said measurement space to form interaction radiation, the analyzing radiation having at least two different analyzing wavelengths and codings according to different chosen codes; separating and selectively filtering, at an optical filter, any one of fluorescence interaction radiation and scattering interaction radiation as a function of wavelength; detecting and transforming, at a fluorescent detection unit, filtered fluorescence interaction radiation into electrical signals; detecting and transforming, at a scattering detection unit, filtered scattering interaction radiation into electrical signals; and decoding, at a decoder, the electrical signals as a function of code of origin to allow data representative of said analyzed microscopic elements to be determined. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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27. A method for analyzing microscopic elements in a field of biological, biochemical, chemical, particulate, morphological analysis, multiparameter flow cytometry, the analysis of charged particles in a liquid or gaseous fluid, or particle size distribution, the method comprising:
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illuminating, from at least one source, microscopic elements within a measurement space with analyzing radiation conjugated within said measurement space to form interaction radiation, the analyzing radiation having at least two different analyzing wavelengths and codings according to different chosen codes; separating and selectively filtering, at an optical filter, any one of fluorescence interaction radiation and scattering interaction radiation as a function of wavelength; detecting and transforming, at a fluorescent detection unit, filtered fluorescence interaction radiation into electrical signals; detecting and transforming, at a scattering detection unit, filtered scattering interaction radiation into electrical signals; and decoding, at a decoder, the electrical signals as a function of code of origin to allow data representative of said analyzed microscopic elements to be determined.
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28. A device for analyzing microscopic elements, the device comprising:
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a measurement space configured to analyze microscopic elements; at least one source configured to deliver analyzing radiation having at least two different analyzing wavelengths and to interact with said microscopic elements within said measurement space to form interaction radiation; a fluorescent detection unit configured to transform at least a part of the interaction radiation originating from said measurement space into electrical signals; a scattering detection unit configured to transform at least a part of scattering interaction radiation originating from said measurement space into electrical signals; an analysis unit configured to analyze said electrical signals to allow data representative of said analyzed microscopic elements to be determined, the analysis unit including a decoding unit configured to decode said electrical signals to be analyzed as a function of code of origin; a coding unit configured to encode said analyzing radiation upstream of said measurement space with different codes; and optical filtering means configured to selectively filter any one of fluorescence and scattering interaction radiation as a function of wavelength, upstream of said detection means, wherein said coded analyzing radiation is conjugated within said measurement space.
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Specification