S. Chen,
J. Deng,
Y. Yuan,
C. Flachenecker,
R. Mak,
B. Hornberger,
Q. Jin,
D. Shu,
B. Lai,
J. Maser,
C. Roehrig,
T. Paunesku,
S. C. Gleber,
D. J. Vine,
L. Finney,
J. VonOsinski,
M. Bolbat,
I. Spink,
Z. Chen,
J. Steele,
D. Trapp,
J. Irwin,
M. Feser,
E. Snyder,
K. Brister,
C. Jacobsen,
G. Woloschak and
S. Vogt The Bionanoprobe has been developed to study trace elements in frozen-hydrated biological systems with sub-100 nm spatial resolution. Here its performance is demonstrated and first results reported.