1. Special fluorescence issue

   • P. J. Stoward

   Editorial Pages: iii - iii

2. Dye-induced fluorescence of tumour cells: photochemical action spectra

   • A. L. Bastos
   • D. Marques
   • M. A. Affra

   Papers Pages: 237 - 243

3. Microfluorometry of primary and secondary fluorescence in biological tissue

   • F. W. D. Rost
   • A. G. E. Pearse

   Papers Pages: 245 - 250

4. Pulsed tunable lasers in cytofluorometry

   • C. A. Sacchi
   • O. Svelto
   • G. Prenna

   Papers Pages: 251 - 258

5. Methodological and instrumentational aspects of cytofluorometry

   • G. Prenna
   • G. Mazzini
   • S. Cova

   Papers Pages: 259 - 278

6. Digital microspectrofluorometry by multichannel scaling and single photon detection

   • S. Cova
   • G. Prenna
   • G. Mazzini

   Papers Pages: 279 - 299

7. Use of the fluorescent dye, Pyrene, to study the dynamic aspects of membrane structure

   • Jane Vanderkooi
   • James Callis
   • Britton Chance

   Papers Pages: 301 - 310

8. Histochemical demonstration of thyrotropic and gonadotropic cells in the pituitary gland of the rat by the use of a lead tetraacetate-sodium bisulphite technique

   • Christian Klessen

   Papers Pages: 311 - 318

9. Localization of free sulphydryl groups by ferricyanide reduction in developing conidiophores ofAspergillus nidulans

   • P. T. P. Oliver

   Papers Pages: 319 - 325

10. A new indigogenic method for the light and electron microscopic demonstration of 5′-nucleotide phosphodiesterases

    • K. C. Tsou
    • J. Hendricks
    • K. W. Lo

    Papers Pages: 327 - 337

11. Histochemical demonstration of xanthine dehydrogenase in the tissues of the domestic fowl

    • W. M. McIndoe
    • P. A. L. Wight
    • G. M. MacKenzie

    Papers Pages: 339 - 345

12. Diethylpyrocarbonate, a vapour-phase fixative for immunofluorescence studies on polypeptide hormones

    • A. G. E. Pearse
    • Julia M. Polak
    • P. A. Kendall

    Papers Pages: 347 - 352