| 摘要 |
The invention concerns a ligand comprising wherein n is an integer from 1 to 5, X represents -NO2, -NH2, -NCS, -NHCOCH2-Z, NHCO-W-COCNHS, -NH-Q, -NHCS-Q, - NHCOCH2-Q, or -NHCO(CH2)m -Q where Q is an hapten chosen from the group consisting of steroids, enzymes, proteins, monoclonal antibodies, chimeric antibodies, or fragments thereof or any activated linker ready for coupling reaction, Y is CO2H or PO3H2 W is -(CH2)m- m is an integer from 1 to 10, Z i s chloride, bromide or iodine.
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