FIELD: medicine.
SUBSTANCE: invention can be used for marking of various bioobjects (enzymes, proteins, DNA) and following assessment of their content in mixtures by optical methods. The presented method consists in preparation of a mixed marker conjugate and a bioobject in the buffer, ultrasound sonification of the mixture and separation of the solution from a sediment by decantation, and as a marker is single-wall carbon nanotubes (SWCNT) of the length 0.5 mcm to 0.7 mcm and of the diameter 0.7 nm to 1.1 nm and of the concentration 1-2 mg of nanotubes by 3-5 ml of the biological object solution.
EFFECT: invention allows decreasing a bioobject detection threshold by the optical methods, and reducing work content and detection output ratio.
3 ex
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