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Table 2 Magnetic properties of the synthesized nanoparticles

From: Synthesis of europium-doped VSOP, customized enhancer solution and improved microscopy fluorescence methodology for unambiguous histological detection

  R1 (L/mmol s) R2 (L/mmol s) MS (Am2/kg Fe)−1
VSOP 32 85 103.6
Eu-VSOP-1 28 74 96.5
Eu-VSOP-2 24 61 82.7
Eu-VSOP-3 24 62 86.9
Eu-VSOP-4 28 75 83.5
Eu-VSOP-5 24 65 82.2
Eu-VSOP-6 17 46 59.9
Eu-VSOP-7 19 53 69.6
  1. Magnetic saturation (Ms) indicates a high degree of crystallinity but, along with magnetic relaxivity (R1 = T1-relaxivity, R2 = T2-relaxivity), decreases with rising Eu3+ content