Abstract: A topical, aqueous ophthalmic gel suspension for dry eye is administrable to the eye in drop form, remains as a gel in the eye for a prolonged time, and releases water and one or more ophthalmic demulcents or vasoconstrictors. It comprises water and from 0.1% to 6.5% by weight of lightly cross-linked carboxyl-containing polymer having a particle size of not more than about 50 .mu.m in equivalent spherical diameter. The suspension is at a pH of from 6.6 to 8.0, has an osmolality of from 50 to 400 mOsM, and a viscosity of from about 500 to about 4,000 centipoise (0.5 to 4 Pa.s).

Abstract: The yield of urokinase produced by cell culture of kidney cells is improved by incorporating in the cell culture medium an elevated level of phenylalanine.

Abstract: A method of determining triglycerides in biological fluids which comprises reacting a biological fluid sample with a lipolytic enzyme to liberate free glycerol, reacting said free glycerol with a coupled enzyme series in an oxygenated aqueous solution containing ATP, GK, .alpha.-GPDH, NAD and an electron transfer agent, and measuring the uptake of oxygen by the oxidation of the resulting NADH with an oxygen-sensing electrode.