Figure 5From: Physico-chemical characterisation and biological evaluation of 188-Rhenium colloids for radiosynovectomyActivity distribution (%) vs. time. The 188Re-Sn colloid was analyzed by membrane filtration for 8 weeks after kit preparation and activity distribution was grouped in four ranges of particle size (< 1.2 microns, 1.2 – 3 microns, 3 – 5 microns and > 5.0 microns).Back to article page