CPC C09K 11/06 (2013.01) [C09B 11/22 (2013.01); C09B 11/24 (2013.01); C09B 68/4235 (2013.01); C09B 68/4253 (2013.01); C09B 68/463 (2013.01); C09K 8/035 (2013.01); C09K 8/62 (2013.01); E21B 47/11 (2020.05); C09K 2211/1007 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1018 (2013.01)] | 3 Claims |
1. A composition comprising:
a functionalized fluorescent dye, wherein the functionalized fluorescent dye comprises an isothiocyanate-containing dye functionalized with a functional group comprising a primary amine, wherein:
the isothiocyanate-containing dye is selected from the group consisting of Rhodamine B isothiocyanate, or tetramethylrhodamine isothiocyanate; and
the functional group is selected from Group I or Group II, wherein:
Group I consists of aminomethanesulfonic acid, 2-aminoethanesulfonic acid, 3-amino-1-propanesulfonic acid, 2-aminoethyl(trimethyl)azanium, and 3-aminopropyl(trimethyl)azanium; and
Group II consists of 4-aminobenzenesulfonic acid, 3-aminobenzenesulfonic acid, 2-aminobenzenesulfonic acid, 3-amino-4-hydroxybenzenesulfonic acid, 4-amino-3-hydroxybenzenesulfonic acid, (4-aminophenyl)-trimethylazanium, 6-amino-4-hydroxy-2-naphthalenesulfonic acid, 1-amino-2-naphthol-4-sulfonic acid, 7-aminonaphthalene-1,3-disulfonic acid, 4-aminonaphthalene-1,7-di sulfonic acid, 8-amino-1,3,6-naphthalenetrisulfonic acid, and 8-aminopyrene-1,3,6-trisulfonic acid.
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