Roger Isaacson Publications 1963-1979

1. Magnetic Domains in Orthoferrites by the Kerr Effect; Fowler, Jr., C. A., Fryer, E. M., Brandt, B. L., and Isaacson, R. A.; J. Applied Phys. 34, 2064-2067 (1963).

2. Shift of the Magnetoresistance Oscillation Maxima Due to an Electric Field in InSb; Isaacson, R. A., and Bridges, Frank; Solid State Communications 4, 635-638 (1966).

3. Preparation of Homogeneous n-Type InSb by Thermal Neutron Irradiation; Clark, W. G., and Isaacson, R. A.; J. Appl. Phys., 38, 2284-2289 (1967).

4. Electron Spin Resonance in n-Type InSb; Isaacson, R. A.; Phys. Rev. 169, 312-314 (1968).

5. Use of Field Modulation with Boxcar Integrator to Measure T₁ in ESR Experiments; Isaacson, R. A.; Journal of Scientific Instruments (Journal of Physics E) 1, Series 2, 1137-1139 (1968).

6. Temperature Dependence of the Hyperfine Coupling of (Gd¹⁵⁵ )³⁺ in Thorium Oxide; Calvo, R., and Isaacson, R. A.; Physics Letters 27A, 713-714 (1968).

7. Spin-Lattice Coefficients for Gd³⁺ and Eu²⁺ in CaF₂ and for Gd³⁺ in CaO; Calvo, R. and Isaacson, R. A.; Phys. Rev. 177, 484-490 (1969).

8. Observation of EPR Lines Using Temperature Modulation; Feher, G., Isaacson, R. A., and McElroy, J. D.; Review of Scientific Instruments 40, 1640-1641 (1969).

9. ENDOR Measurements in ⁵⁷Fe³⁺ in Calcium Oxide; Calvo, R., Passeggi, M. C. G., and Isaacson, R. A.; Phys. Letters 31A, 407-408 (1970).

10. Determination of the zero-field splitting of Fe³⁺ in heme proteins from the temperature dependence of the spin-lattice relaxation rate; Charles P. Scholes, Roger A. Isaacson, and G. Feher; Biochim. Biophys. Acta 244, #1, 206-210 (July 1971).

11. Electron nuclear double resonance studies on heme proteins: determination of the interaction of Fe³⁺ with its ligand nitrogens in metmyoglobin; C. P. Scholes, R. A. Isaacson, and G. Feher; Biochim. Biophys. Acta 263, 448-452 (1972).

12. An ENDOR mechanism applicable to homogeneously broadened lines; G. Feher and R. A. Isaacson; Journal of Magnetic Resonance 7, #1, 111-114 (May 1972).

13. Electron Nuclear Double Resonance (ENDOR) investigation on myoglobin and hemoglobin; G. Feher, R. A. Isaacson, C. P. Scholes, and R. Nagel; published in Symposial papers of the IV International Biophysics Congress, Session V, Vol. 2(II) pp. 703-721 (Pushchino, 1973). (Symposium held in Moscow, August, 1972).

14. Electron Nuclear Double Resonance (ENDOR) investigation on myoglobin and hemoglobin; G. Feher, R. A. Isaacson, E. P. Scholes, and R. Nagel (presented at the Fifth International Conference on Magnetic Resonance in Biological Systems, New York, December 4-8, 1972); Annals of the New York Academy of Sciences 222, 86-101 (December 31, 1973).

15. Electron nuclear double resonance studies on heme proteins: interaction of the electron spin with the ⁵⁷Fe³⁺ nucleus in metmyoglobin and methemoglobin; C. P. Scholes, R. A. Isaacson, T. Yonetani, and G. Feher; Biochim. Biophys. Acta 322, 457-462 (1973).

16. ENDOR experiments on chlorophyll and bacteriochlorophyll in vitro and in the photosynthetic unit; G. Feher, A. J. Hoff, R. A. Isaacson, and L. C. Ackerson (presented at the Conference on the biological Role of Porphyrins and Related Structures, New York, October 23-26, 1973); Ann. N. Y. Acad. Sci. (U.S.) 244, 239-259 (April, 1975).

17. On the question of the primary acceptor in bacterial photosynthesis: manganese substituting for iron in reaction centers of Rhodopseudomonas sphaeroides R-26; G. Feher, R. A. Isaacson, J. D. McElroy, L. C. Ackerson, and M. Y. Okamura; Biochim. Biophys. Acta 368, #1, 135-139 (October 18, 1974).

18. The primary acceptor in bacterial photosynthesis: The obligatory role of ubiquinone in photoactive reaction centers of Rhodopseudomonas sphaeroides; M. Y. Okamura, R. A. Isaacson, and G. Feher; Proc. Natl. Acad. Sci. 72, #9, 3491-3495, (September, 1975).

19. Plastic ENDOR Cavity for Studies of Biological Compounds at 2 K; Van Camp, H. L., Scholes, C. P., and Isaacson, R. A.; Review of Scientific Instruments 47, 516-517 (1976).

20. Microwave Coupler for EPR Cavities at 1.3 K; Isaacson, R. A.; Review of Scientific Instruments 47, 973-974 (1976).

21. Magnetic interactions and electron transfer kinetics of the reduced intermediate acceptor in reaction centers (RCs) of Rhodopseudomonas sphaeroides R-26. Evidence for thermally induced tunneling; M. Y. Okamura, D. R. Fredkin, R. A. Isaacson, and G. Feher; in Tunneling in Biological Systems (Proc. of the Tunneling Conference, 1977), B. Chance, D. DeVault, H. Frauenfelder, R. A. Marcus, J. R. Schrieffer, and Norman Sutin, eds. (Academic Press, N. Y.), pp. 729-743 (1979).

22. Spectroscopic and kinetic properties of the transient intermediate acceptor in reaction centers of Rhodopseudomonas sphaeroides; M. Y. Okamura, R. A. Isaacson, and G. Feher; Biochim. Biophys. Acta 546, #3, 394-417 (June 5, 1979).

23. Experimental verification of a theory of 1/f noise in a model system; M. B. Weissman, R. A. Isaacson, and G. Feher; Phys. Rev. Lett.43, #11, 733-736 (September 10, 1979).