The isolation and purification of poison ivy urushiol is described. The preparation of urushiol-ski protein and urushiol human serum albumin is also described. Lymphocytes from eleven donor naturally sensitized to poison ivy and from four non-sensitive individuals have been cultured for 5 days in
A 13-C labeled water soluble derivative of alkylcatechol was synthesized and reacted with human serum albumin in phosphate buffer at pH 7.4 in air to allow a slow oxidation of the catechol into orthoquinone. The formation of several adducts was evidenced by a combination of 13C and 1H-13C
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