Preface. 1. Synchrotron X-ray scattering studies of Langmuir films (J. Als-Nielsen and H. Mowald). 2. Coronary angiography project at the Photon Factory using a large monochromatic beam (K. Hyodo, K. Nishimura and M. Ando). 3. Optical and dielectric properties of materials relevant to biological research (M.W. Williams, E.T. Arakawa and T. Inagaki). 4. Crystal-structure analysis of biological macromolecules by synchrotron-radiation diffraction (H.D. Bartunik). 5. Fibre diffraction: collagen (A. Bigi and N. Roveri). 6. Scattering from non-crystalline systems (M.H.J. Koch). 7. Synchrotron radiation sources (W. Brefeld and P. Gurtler). 8. A Bragg reflection monochromator for synchrotron radiation angiography (G.S. Brown). 9. Trace element analysis by X-ray fluorescence (A. Iida and Y. Gohshi). 10. Medical applications of synchrotron radiation (J.C. Giacomini and H.J. Gordon). 11. Microradiography and microtomography (W. Graeff and K. Engelke). 12. NIKOS - non-invasive angiography at HASYLAB (W. Graeff and W.-R. Dix). 13. Radiobiological experiments in the X-ray region with synchrotron radiation (K. Hieda and T. Ito). 14. Synchrotron radiation for angiography, an overview (E. Rubenstein and R. Hofstadter). 15. X-ray microscopy (G. Schmahl and P.-C. Cheng). 16. UV spectroscopy (E.S. Stevens). 17. Anomalous X-ray scattering (H.B. Stuhrmann, G. Goerigk and B. Munk). 18. Detectors for angiography (A. Thompson). 19. Progress in X-ray synchrotron diffraction studies of muscle contraction (K. Wakabayashi and Y. Amemiya). 20A. Imaging apparatus and techniques for synchrotron radiation (H.D. Zeman). 20B. The processing of intravenous coronary angiograms produced by synchrotron radiation (H.D. Zeman). Author index. Subject index.