| abstract |
FIELD: chemistry. ^ SUBSTANCE: present invention relates to novel surfactants of formula III and their use in obtaining nanoparticles which serve as vectors for biologically active ingredients. , and , where R3 is selected from group IV or V; Y is a sulphur atom or -NH-CO-(CH2)n-X-; X is a sulphur atom or -CH2-; n and y are integers from 0 to 10; R is a hydrocarbon, fluorinated hydrocarbon or thioalkyl; W is -NH- or CH2-; p is an integer from 1 to 50; m is an integer from 0 to 9; and if X = CH2, 0 < m+n < 6; x is an integer from 0 to 30; R1 is selected from the following radicals: where R' is H or polyhydroxylated hydrocarbon; R2 is an identification group which has affinity to a biological target; Z is a spacer group. ^ EFFECT: design of novel surfactants and nanoparticles based on the said surfactants. ^ 22 cl, 9 ex, 2 tbl, 8 dwg |