Ferritin:

G.D. Watt, R.B. Frankel, and G.C. Papaefthymiou:
Reduction of Mammalian Ferritin.
Proc. Natl. Acad. Sci. USA 82, 3640 (1985).

G.D. Watt, R.B. Frankel, G.C. Papaefthymiou, K. Spartalian,and E.I. Stiefel:
Redox Properties and Mössbauer Spectroscopy of Azotobacter vinelandii Bacterioferritin.
Biochemistry 25, 4330-4336 (1986).

R.B. Frankel, G.C. Papaefthymiou and G.D. Watt:
Binding of Fe2+ by Mammalian Ferritin.
Hyperfine Interactions 33, 233-240 (1987).

R.B. Frankel, G.C. Papefthymiou, and G.D. Watt:
Mössbauer Spectroscopy of Reduced Ferritin.
Mössbauer Spectroscopy Applied to Inorganic Chemistry,
Vol. II, G.L. Long, Editor (Plenum Press, New York, 1987) pp. 273-287.

G.D. Watt, D. Jacobs and R.B.Frankel:
The Redox Reactivity of Bacterial and Mammalian Ferritin:Is
Reductant Entry into the Ferritin Interior a Necessary Step
for Iron Release?:
Proc. Nat. Acad. Sci. (USA) 85, 7457-7462 (1988)

D.L. Jacobs, G.D. Watt, R.B. Frankel and G.C. Papaefthymiou:
Redox Reactions Associated with Iron Release from Mammalian Ferritin.
Biochemistry 28, 1650-1655 (1989).

J.S. Rohrer, R.B. Frankel, and G.C. Papaefthymiou, and E.C. Theil:
Protein Coats of Ferritin Sequester Large
Amounts of Ferrous Iron.
Inorganic Chem. 28, 3393-3395 (1989).

D.L. Jacobs, G.D. Watt, R.B. Frankel, and G.C. Papaefthymiou:
Fe2+ Binding to Apo and Holo Mammalian Ferritin.
Biochemistry 28, 9216-9221 (1989).

R.B. Frankel, G.D. Watt, and G.C. Papaefthymiou:
Mossbauer Spectroscopy of Fe2+ Binding to Apo and Holo Mammalian Ferritin.
In: Applications of the Mossbauer Effect, edited by E.
Baggio-Saitovitch, E. Galvao da Silva, and R.R. Rechenberg
(World Scientific Press, Singapore, 1990) pp. 160-184.

G. D. Watt and R.B. Frankel:
Redox Capacity of Mammalian Ferritin.
In: Iron Biominerals, edited by R.B. Frankel and R.P.
Blakemore (Plenum Press, NY, 1991) pp. 307-313.

R.B. Frankel, G.C. Papaefthymiou, and G.D. Watt:
Variation of Superparamagnetic Properties with Iron Loading in Mammalian Ferritin.
Hyperfine Interactions 66, 71-82 (1991).

G.D. Watt, D.L. Jacobs, R.B. Frankel, and G.C. Papaefthymiou:
Fe2+ and Phosphate Interactions in Bacterial Ferritin from Azotobacter vinelandii.
Biochemistry 31, 5672-5679 (1992).

R.K. Watt, R.B. Frankel, and G.D. Watt:
Redox Reactions of Apo Mammalian Ferritin.
Biochemistry 31, 9673-9679 (1992).

H. Huang, R.K. Watt, R.B. Frankel, and G.D. Watt:
The Role of Phosphate in Fe2+ Binding to Holo Mammalian Ferrtin.
Biochemistry 32, 1681-1687 (1993).

M-E.Y. Mohie-Eldin, R.B. Frankel, and L. Gunther:
Comparison of Magnetic Properties of Polysaccharide Iron Compex (P.I.C.) and Ferritin.
J. Magn. Magn. Mater. 135, 65-81 (1994).

M-E.Y. Mohie-Eldin, R.B. Frankel, L. Gunther and
G.C. Papaefthymiou:
The Anomalous Mossbauer Fraction of Ferritin and Polysaccharide Iron Complex (P.I.C.).
Hyperfine Interactions 96, 111-138 (1995).

Magnetoferritin:

J.W.M. Bulte, T. Douglas, S. Mann, R.B. Frankel, B.M. Moskowitz, R.A. Brooks, C.D. Baumgartner, J. Vymazal, and J.A. Frank:
Magnetoferritin: Biomineralization as a Novel Molecular Approach in the Design of Iron Oxide Based MR Contrast Agents.
Invest. Radiol. 29, S214-S216 (1994).

J.W.M. Bulte, T. Douglas, S. Mann, R.B. Frankel, B.M. Moskowitz, R.A. Brooks, C.D. Baumgartner, J. Vymazal, M.P. Strub, and J.A. Frank:
Magnetoferritin: Characterization of a Novel Superparamagnetic MR Contrast Agent.
J. Mag. Reson. Imaging 4, 497-505 (1994).

S. Hilty, B. Webb, R.B. Frankel, and G.D. Watt:
Iron Core Formation in Horse Spleen Ferritin: Magnetic Susceptibility, pH and Compostitional Studies.
J. Inorg. Biochem. 56, 173-185 (1994).

Q.A. Pankhurst, S. Betteridge, D.P.E. Dickson, T. Douglas,S. Mann, and R.B. Frankel:
Mossbauer Spectroscopic Studies of Magnetoferritin.
Hyperfine Interactions 90, 847-851 (1994).

T. Douglas, J.W.M. Bulte, Q.A. Pankhurst, D.P.E. Dickson, R.B. Frankel, and S. Mann:
Inorganic-protein Interactions in the Synthesis of a Ferrimagnetic Nanocomposite, in: Hybrid Organic-Inorganic Composites, edited by J.E. Mark, C.C-Y Lee, and P.A. Banconi,
(American Chemical Society Symposium Series No.585, Washington, DC, 1995) pp. 19-28.


Metals in Organisms:

S. Ofer, G.C. Papaefthymiou, R.B. Frankel, and H.A.Lowenstam:
Mössbauer Spectroscopy of Iron Containing Dermal Granules from Molpadia Intermedia.
Biochim. Biophys. Acta 676, 199 (1981).

D.A. Kuterbach, B. Walcott, R.J. Reeder, and R.B. Frankel:
Iron Containing Cells in the Honey Bee (Apis mellifera).
Science 218, 695 (1982).

S. Lee, K. Nakanishi, K. Kustin, W.E. Robinson, R.B. Frankel, and K. Spartalian:
Magnetic Properties of Tunicate Blood Cells. I. Ascidia nigra
J. Inorg. Biochem. 33, 183-192 (1988).

K. Kustin, W.E. Robinson, R.B. Frankel and K. Spartalian:
Magnetic Properties of Tunicate Blood Cells. II. Acidia Ceretodes.
J. Inorg. Biochem. 63, 223-230 (1996).

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