A Novel Method for the Synthesis of -Ofloxacin Kits Using D-Penicillamine as Coligand and Their Application as Infection Imaging Agent

Table 1

Effect of concentration of stannous chloride (reducing agent) and ofloxacin on the labeling efficiency (LE) of ^99mTc-ofloxacin (%LE ± SD, ).

	Reducing agent					Ofloxacin
	Amount (g)					Amount (mg)
	25	50	75	100	125	0.5	1	1.5	2.0	2.5
Labelling efficiency (%)	80.23	95.50	99.20	97.7	95.17	84.75	95.5	99.7	97.1	96.90
Free ^99m	17.4	3.57	0.40	1.7	2.0	13.54	0.25	0.15	1.1	1.0
Colloids/hydrolyzed (^99mTcO2)	2.37	0.93	0.40	0.6	2.8	1.30	0.25	0.16	1.8	2.1