FIELD: nanotechnologies.
SUBSTANCE: invention relates to nanotechnology, specifically nanotechnology of interaction, sensors or actuation, for example, quantum dots as biomarkers. Method of producing quantum dots of cadmium selenide in a chitosan shell is based on interaction of selenide ions obtained from selenosulphate with cadmium (II) ions distributed in an aqueous solution of chitosan at room temperature.
EFFECT: developed method is rather simple, economical, nontoxic and enables to obtain quantum points of cadmium selenide coated with chitosan, which can be used as biomarkers, at room temperature, because presence on their surface of a shell from molecules of chitosan provides them with good interaction with biological objects.
1 cl, 3 dwg
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