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10 results on '"Tittsworth, R.C."'

2. Ti atomic bonding environment in Ti-containing hydrocarbon coatings

Author

Meng, W.J., Tittsworth, R.C., Jiang, J.C., Feng, B., Cao, D.M., Winkler, K., and Palshin, V.

Subjects
Hydrocarbons -- Research, Physics
Abstract

Ti atomic bonding environment in Ti-containing hydrocarbon coatings was examined using x-ray absorption near edge structure spectroscopy.

Published
2000

3. Fe and Mo EXAFS of Azobacter vinelandii nitrogenase in partially oxidized and singly reduced forms

Author

Christiansen, J., Tittsworth, R.C., Hales, B.J., and Cramer, S.P.

Subjects
Nitrogenase -- Research, Extended X-ray absorption fine structure -- Observations, Chemical bonds -- Analysis, Chemistry
Abstract

The analysis of the spectra of Fe and Mo K-edge extended X-ray absorption fine structure of the Azobacter vinelandii nitrogenase MoFe protein reveals that, with the reduction of the enzyme, the metal-metal distances are compressed. The oxidized form of the MoFe protein by indigo disulfonate possesses partially oxidized P-clusters. For the one-electron reduced form E1, the Fe-S, Fe-Fe and Fe-Mo distances are 2.33, 2.60 and 2.66 Angstroms respectively and 3.72 Angstroms for a second Fe-Fe bond.

Published
1995

4. Iron EXAFS of Azotobacter vinelandii nitrogenase Mo-Fe and V-Fe proteins

Author

Chen, J., Christiansen, J., Tittsworth, R.C., Hales, B.J., George, S.J., Cramer, S.P., and Coucouvanis, D.

Subjects
Nitrogenase -- Testing, Chemistry
Abstract

Fe K-edge X ray absorption spectroscopy is used in the investigation of the structure of the iron sites of nitrogenase in dithionite-reduced and theonine oxidized forms of the Mo-Fe and V-Fe proteins.

Published
1993

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