tokens: The lymphocyte nuclear T3 receptor was found with an affinity close to that of normal volunteers ( Ka : 1.42 x 10 ( 10 ) M-1 vs 1.95 +/- 0.35 x 10 ( 10 ) M-1 ) and a binding capacity markedly increased ( 9.9 vs 3.7 +/- 0.4 fmol T3/100 micrograms DNA ) .