1. Editorial

   • Cornelis J. F. Van Noorden

   EditorialNotes Pages: 515 - 516

2. Methods for the study of liver cell heterogeneity

   • Norbert R. Katz

   Review Pages: 517 - 529

3. The principle of determining relative enzyme activities by comparative kinetic microphotometryin situ

   • D. Pette
   • H. Reichmann

   Papers Pages: 531 - 534

4. Reaction rate measurements of proteases and glycosidases with chromogenic methods

   • Martin Ruhnke
   • Reinhart Gossrau

   Papers Pages: 535 - 544

5. Methods of microphotometric assay of succinate dehydrogenase and cytochromec oxidase activities for use on human skeletal muscle

   • Sally L. Old
   • Margaret A. Johnson

   Papers Pages: 545 - 555

6. The use of continuous monitoring and computer-assisted image analysis for the histochemical quantification of hexokinase activity

   • Gillian M. Lawrence
   • A. Christopher H. Beesley
   • John B. Matthews

   Papers Pages: 557 - 564

7. The ‘nothing dehydrogenase’ reaction and the detection of ischaemic damage

   • Wilma M. Frederiks
   • Frans Marx
   • Galja L. Myagkaya

   Papers Pages: 565 - 573

8. Cytophotometric analysis of reaction rates of succinate and lactate dehydrogenase activity in rat liver, heart muscle and tracheal epithelium

   • Cornelis J. F. Van Noorden
   • Ilse M. C. Vogels

   Papers Pages: 575 - 583

9. In situ kinetic parameters of glucose-6-phosphate dehydrogenase and phosphogluconate dehydrogenase in different areas of the rat liver acinus

   • Geertruida N. Jonges
   • Cornelis J. F. Van Noorden

   Papers Pages: 585 - 594

10. Rapid continuous monitoring of enzyme activity in tissue sections: Experience with the M85A and Zeiss UMSP-30 systems

    • R. B. Lomax
    • A. Daglish
    • W. R. Robertson

    Papers Pages: 595 - 599

11. Cytochemical analysis of single villus peptidase activities in pig intestine during neonatal development

    • D. R. Tivey
    • M W. Smith

    Papers Pages: 601 - 608

12. Enzyme reaction rate studies in electromotor neurons of the weakly electric fishApteronotus leptorhynchus

    • Irene H. Straatsburg
    • Frank De Graaf
    • Wim Van Raamsdonk

    Papers Pages: 609 - 617

13. Plateau absorbance measurements: An alternative approach to enzyme activity determination illustrated by the example of alkaline phosphatase

    • P. Van Duijn
    • C. J. F. Van Noorden

    Papers Pages: 619 - 624