1 Two-Dimensional Spectroscopy as a Conformational Probe of Cellular Phosphates. - 1. Introduction. - 2. Basic Principles of Heteronuclear Two-Dimensional NMR. - 3. Analysis of Heteronuclear Two-Dimensional NMR Spectra. - 4. Experimental and Instrumental Considerations. - 5. Range and Limitations of Heteronuclear Two-Dimensional NMR. - 6. Long-Range Spying: Relayed Transfer Spectroscopy. - 7. Heteronuclear Zero Quantum Spectroscopy. - 8. Future Applications and Developments. - References. - 2 Lanthanide Complexes of Peptides and Proteins. - 1. Introduction. - 2. Chemistry of the Lanthanide Ions. - 3. Theoretical Background. - 4. Proteins. - 5. Peptides. - 6. Conclusions. - References. - 3 EPR of Mn(II) Complexes with Enzymes and Other Proteins. - 1. Introduction. - 2. EPR Properties of Mn(II). - 3. Experimental Methods. - 4. The Spin Hamiltonian. - 5. Evaluation of ZFS Parameters. - 6. Applications. - 7. Summary and Prospects. - Appendix I: FORTRAN Program for Simulation of Mn(II) Powder EPR Spectra. - References. - 4 Biological Applications of Time Domain ESR. - 1. Introduction. - 2. Pulsed EPR Experiments. - 3. Instrumentation. - 4. Comment On The Future Of Pulsed EPR Techniques. - References. - 5 Techniques Theory and Biological Applications of Optically Detected Magnetic Resonance (ODMR). - 1. Introduction. - 2. The Photoexcited Triplet State. - 3. Theory and Methods of ODMR. - 4. Experimental Considerations. - 5. ODMR of Biologically Significant Molecules. - References. Language: English