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Human Journals Research Article November
Fluorescein 5(6)-isothiocyanate-starch (FITC-S) biopolymer was prepared via covalently attached fluorescein 5(6)-isothiocyanate (FITC) with starch. FITC-S with an average molecular weight length of 3x10 6 g/mol was formed upon precipitation in alcoholic solution. FITC-S showed absorption maxima at around 490 nm in aqueous medium. The adsorption of the photoactive starch onto ferric chloride (FeCl 3) was studied using UV-visible spectroscopy. Spectra of the adsorbed biopolymer were collected asfatcat:bqf4q3jbnrdxfayyeuohxaqj5a