Autoradiographic gene-screening method

Details Autoradiographic gene-screening method Autoradiographic gene-screening method

C - Chemistry, Metallurgy

12

Q

358/5, 150/8.5

C12Q 1/68 (2006.01) G01T 1/29 (2006.01)

Patent

CA 1215305

AUTORADIOGRAPHIC GENE-SCREENING METHOD ABSTRACT OF THE DISCLOSURE An autoradiographic gene-screening method employing a hybridization process, which comprises: (1) a step of transferring a portion of genetic clones cultured on a culture medium onto a filter to fix them thereonto; (2) a step of hybridizing the genes of said clones fixed onto said filter with radioactively labeled probes; (3) a step of obtaining two dimensional information on the location of the radioactively labeled substances on the filter which comprises placing said filter having been subjected to the hybridization and a stimulable phosphor sheet in layers for a given period of time to cause said stimulable phosphor sheet to absorb at least a portion of radiation energy emitted by the radioactively labeled substances on the filter, exciting said sheet with an electromagnetic wave to release the radiation energy stored in said sheet as stimulated emission, and detecting the stimulated emission to obtain a locational information on the radioactively labeled substances on the filter; and (4) a step of recovering the clones on the culture medium according to the obtained locational information.

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