1. Munkholm, C, Walt, D. R., Milanovich, F. P. and Klainer, S. M., (1986) Polymer modification of fiber optic chemical sensors as a method of enhancing fluorescence signal for pH measurements, Anal. Chem., 58, 1427–1430.
2. Jordan, D. M., Walt, D. R. and Milanovich, F. P. (1987) Physiological pH fiber-optic chemical sensor based on energy transfer, Anal. Chem., 59, 437–439.
3. Boisde, G., Blanc, F., and Machuron-Mandard, X. (1991) pH measurements with dyes co-immobilization on optodes: principles and associated instrumentation, Int. J. Optoelectronics, 6, 407–423.
4. Sutherland, R. M., Dähne, C, Place, J. F., and Ringose, A. R. (1984) Immunoassays at a quartz-liquid interface: theory, instrumentation and preliminary application to the fluorescent immunoassay of human immunoglobulin G, J. of Immunological Methods, 74, 253–265.
5. Baldini, F., Bracci, S., and Bacci, M. (1990) Analysis of acid-base indicators covalently bound on glass supports, Proc. SPIE Chemical biochemical and environmental fiber sensors II, 1368, 210–217.