Chemistry: molecular biology and microbiology – Apparatus – Including measuring or testing
Patent
1997-04-18
1998-08-25
Ketter, James
Chemistry: molecular biology and microbiology
Apparatus
Including measuring or testing
359368, 395131, C12M 134, G02B 2100, G06F 1500
Patent
active
057982627
ABSTRACT:
A method for finding L internal reference vectors for classification of L chromosomes or portions of chromosomes of a cell, the L chromosomes or portions of chromosomes being painted with K different fluorophores or combinations thereof, wherein K basic chromosomes or portions of chromosomes of the L chromosomes or portions of chromosomes are each painted with only one of the K different fluorophores, whereas the other L-K of the L chromosomes or portions of chromosomes are each painted with a different combination of the K different fluorophores, the method comprising the steps of (a) using a multi-band collection device for measuring a first vector for each pixel of each of the L chromosomes or portions of chromosomes; (b) identifying pixels belonging to each of the K basic chromosomes or portions of chromosomes and defining the pixels as basic pixels, so as to obtain K basic classes of basic pixels; (c) using at least one basic pixel from each of the K basic classes for obtaining K basic vectors, the K basic vectors being K internal reference vectors; (d) using the K basic vectors for identifying pixels belonging to the other L-K chromosomes or portions of chromosomes; and (e) using the pixels belonging to the other L-K chromosomes or portions of chromosomes for calculating the other L-K internal reference vectors, thereby finding all of the L internal reference vectors. A method for classification of L chromosomes or portions of chromosomes of a cell similarly painted using the above method for finding L internal reference vectors, and using the L reference vectors for classification of each of the pixels into one of L classification classes. And, images presenting color chromosomes.
REFERENCES:
patent: 4843573 (1989-06-01), Taylor et al.
Speicher et al. Karyotyping human chromosomes by combinatorial multi-fluor FISH. Nature Genetics vol. 12 pp. 368-375, 1996.
Cabib Dario
Garini Yuval
Katzir Nir
Wine David
Applied Spectral Imaging Ltd.
Brusca John S.
Ketter James
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