Table 2.

Self-absorbed dose rates to the nucleus per unit activity (Gy(Bq*s)^-1) depending on radionuclide localization (i.e. cell membrane and cytoplasm) and cellular dimension (i.e. minimum, average and maximum)

Floating set-up (spherical cells)
Dimension	Source compartment
	Cell membrane			Cytoplasm
	Lutetium-177	Actinium-225		Lutetium-177	Actinium-225
Minimum	2.02E-04	1.05E-01		3.67E-04	1.78E-01
Average	1.04E-04	5.63E-02		1.98E-04	1.01E-01
Maximum	6.40E-05	3.56E-02		1.23E-04	6.48E-02
Attached cells set-up (ellipsoidal shape)
Dimension	Source compartment
	Cell membrane			Cytoplasm
	Lutetium-177	Actinium-225		Lutetium-177	Actinium-225
Minimum	3.43E-04	1.61E-01		2.14E-04	1.09E-01
Average	1.65E-04	8.31E-02		1.16E-04	6.15E-02
Maximum	7.66E-05	4.05E-02		5.89E-05	3.23E-02
Contribution of the radioactive medium
	Lutetium-177		Actinium-225
	2.30E-11		4.57E-09