Patent ID: 8631715

Claim:
A method for quantitative transfer of analytes, comprising at least stages of: predisposing a substantially homogeneous mixture of a predetermined initial quantity of at least an analyte and a liquid, obtaining a known concentration value or known amount of the analyte in the mixture; introducing into the mixture at least a collecting portion ( 3 ) of a sampling device ( 1 ) having a support body ( 2 ), the collecting portion ( 3 ) comprising a first portion ( 2 a ) of the support body ( 2 ) and a plurality of fibers ( 6 ) attached to and arranged on the first portion ( 2 a ) of the support body ( 2 ) by flocking, in order to define a flocked collecting portion ( 3 ) or a flocked tampon, to collect a part of the mixture on the collecting portion ( 3 ); extracting the collecting portion ( 3 ) of the sampling device ( 1 ) from the mixture, retaining on the sampling portion ( 3 ) a predetermined known quantity of the mixture to be transferred; and realizing a pre-dosed device provided with a predetermined known quantity of analyte.