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Thyroxine (T4) BSA

Catalog # Pack Size Price(USD)
ICP1327 1 mg $275.00
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Product Description
This product is designed as the paired antigen to anti-thyroxine (T4). T4 is linked to bovine  serum albumin (BSA) via its amine group to the free thiol of cysteine residues.  It is useful as an immobilized antigen for anti-T4 antibody assays in both ELISAs and gold colloid strip tests.
Structure of the Product
500 µg/mL in PBS with 50% Glycerol, or in lyophilized powder.
Iodoacetyl-T4 linked to BSA via thiol ether.
T4/BSA ratio: 4:1
OD50 ELISA titer for  T4-BSA is approximately 0.05 µg/mL when 0.1 µg/mL of anti-T4 was used for the test.
ELISA: suggested immobilized concentration: 0.05-0.2  µg/mL
Gold colloid: to be optimized by users
Storage & Stability
Product is stable for several weeks at 4°C. For extended storage, aliquot content and store product at –20ºC. Avoid cycles of freezing and thawing. Expiration date is one year from date of shipping if properly stored.