Transferrin is an iron-transport protein found in blood. Desferrioxamine B is an iron chelator used to treat patients suffering from iron overload. Both are colourless in the absence of iron. The following data was obtained in aqueous solution using a 1.00 cm path length cell for both species when fully complexed with iron: Molar absorptivity M-1 cm-1 iron-transferrin iron-desferrioxamine B A (nm) 428 3540 2730 470 4170 2290 Calculate the absorbance at 470 nm of a solution that is 11.0 p M in iron-transferrin and 69.5 p M in iron-desferrioxamine B, assuming both are fully complexed and that the cell path length is 1.00 cm. O A. 0.0206 Ов. 0.206 O.0.412 O D.0.103

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Transferrin is an iron-transport protein found in blood. Desferrioxamine B is an iron chelator used to treat patients suffering from iron overload. Both are colourless in the absence of iron. The following data was obtained in aqueous solution using a 1.00 cm
path length cell for both species when fully complexed with iron:
Molar absorptivity M-1 cm-
A (nm)
iron-transferrin
iron-desferrioxamine B
428
3540
2730
470
4170
2290
Calculate the absorbance at 470 nm of a solution that is 11.0 u M in iron-transferrin and 69.5 u M in iron-desferrioxamine B, assuming both are fully complexed and that the cell path length is 1.00 cm.
O A. 0.0206
O B. 0.206
O C. 0.412
O D.0.103
Transcribed Image Text:Transferrin is an iron-transport protein found in blood. Desferrioxamine B is an iron chelator used to treat patients suffering from iron overload. Both are colourless in the absence of iron. The following data was obtained in aqueous solution using a 1.00 cm path length cell for both species when fully complexed with iron: Molar absorptivity M-1 cm- A (nm) iron-transferrin iron-desferrioxamine B 428 3540 2730 470 4170 2290 Calculate the absorbance at 470 nm of a solution that is 11.0 u M in iron-transferrin and 69.5 u M in iron-desferrioxamine B, assuming both are fully complexed and that the cell path length is 1.00 cm. O A. 0.0206 O B. 0.206 O C. 0.412 O D.0.103
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