Abstract #0689
Distinguishing magnetic nanoparticles by r2/r1
Veronica Clavijo Jordan 1,2 and Kevin M Bennett 3
1
University of Hawaii at Manoa, Honolulu, HI,
United States,
2
Arizona
State University, Tempe, AZ, United States,
3
University
of Hawaii at Manoa, HI, United States
In this work we have developed a novel technique to
chemically tune the magnetic properties of the iron
crystal inside apoferritin. By tuning their properties
from paramagnetic to superparamagnetic, we introduce a
set of particles with unique r
2
/r
1
combinations.
These magnetic signatures can be extracted with a unique
scanning technique that result in simultaneous detection
of nanoparticle agents and thus of targets at nM
concentrations.
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