Fig. 2From: Iron Oxide Nanoparticles: Multiwall Carbon Nanotube Composite Materials for Batch or Chromatographic Biomolecule SeparationMagnetic hysteresis curve obtained with a SQUID from -50,000 to 50,000 Oe at 300 K (a) and powder XRD patterns of cCNT-SPIONs, cCNTs, CNTs and SPIONs obtained with a MoKα source (b)Back to article page