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Table 1 99mTc accumulation values obtained at day 4 when no magnet was implanted

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
  (-) (-) (-) (-) (-) (-)
  2.01 0.96 1.68 1.48 1.89 1.09
  2.32 1.33 1.76 1.54 1.23 1.31
  2.21 1.36 1.33 1.33 2.08 1.09
  2.31 1.38 1.55 1.65 2.09 1.08
  2.1 1.31 1.47 1.23 1.85 1.21
Mean 2.19 1.27 1.56 1.45 1.83 1.16
SD 0.13 0.17 0.17 0.17 0.35 0.10
  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 without a magnet. DXM, dexamethasone 21-acetate; mBSA, methyl bovine serum albumin; PBS, phosphate-buffered saline; SD, standard deviation; SPION, superparamagnetic iron oxide nanoparticle.