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Table 2 99mTc accumulation values obtained at day 4 when a magnet was implanted near the left knee

From: Magnetically retainable microparticles for drug delivery to the joint: efficacy studies in an antigen-induced arthritis model in mice

  mBSA + PBS DXM suspension Polymer microparticles SPION suspension Microparticles + SPIONs Complete microparticles
  (+) (+) (+) (+) (+) (+)
  1.95 0.86 1.98 1.7 2.17 1.29
  1.7 1.33 1.35 1.75 2.08 1.65
  1.55 1.08 1.61 1.89 2.17 1.43
  1.83 1.38 1.64 1.54 2.15 1.18
  2.12 1.39 1.86 1.44 2.22 1.54
Mean 1.83 1.21 1.69 1.66 2.16 1.42
SD 0.22 0.23 0.24 0.18 0.05 0.19
  1. The values are expressed as the ratio of the gamma-counting values in the treated joint (left knee) to those of the untreated joint (right knee). (+) indicates groups with a magnet. DXM, dexamethasone 21-acetate; mBSA, methyl bovine serum albumin; PBS, phosphate-buffered saline; SD, standard deviation; SPION, superparamagnetic iron oxide nanoparticle.