Materials and Properties

large challenges for small particles.

TurboBeads are metallic nanoparticles, which are coated with an extremly thin (~2 nm) layer of graphitic carbon. Our patented technology allows the covalent chemical functionalization of this carbon, resulting in chemically functionalized magnetic beads.

TEM image of a single TurboBead

Based on the nature of our magnetic beads (graphite covered metals) they offer specific advantages, if compared to standard microsized magnetic beads.

The advantages are:

• extremely small size
  40 nm vs. > 1 micron
  
  
• easy separation
  > 3x higher magnetic properties
  using metals instead of ferrites
  fast separation even for large volumes
  
  
• No loss of ligands
  Fully covalent C-C linkage
  
  
• Extend operating conditions
  stable at wide range of pH
  stable above 190°C
  stable in most solvents

Particle size and distribution

The average particle size of our beads is ~30 nm. The particle size distribution is lognormal with a geometric standard deviation of ~1.4.

Magnetic properties

Based on the metallic nature of our magnetic beads, a very high magnetic saturation is achieved. This results in a fast and efficient recovery of the beads in the presence of a magnetic field.