Determination of urea with an ammonia gas-sensitive semiconductor device in combination with urease

Urease coupled ammonia electrode for urea determination in blood serum

Marco Mascini, G. G. Guilbault · Analytical Chemistry · 1977 · 152 citations

Pharmacy, Biochemistry, Analytical Chemistry +7

Modified palladium metal-oxide-semiconductor structures with increased ammonia gas sensitivity

Fredrik Winquist, Anita Lloyd Spetz, M. Armgarth et al. · Applied Physics Letters · 1983 · 132 citations

Engineering, Materials Engineering, Materials Science +17

Determination of ammonia in air and aqueous samples with a gas-sensitive semiconductor capacitor

Fredrik Winquist, Anita Lloyd Spetz, I. Lundström et al. · Analytica Chimica Acta · 1984 · 63 citations

Engineering, Chemical Engineering, Chemistry +11

A coated-metal enzyme electrode for urea determinations

PW Alexander, Jose Joseph · Analytica Chimica Acta · 1981 · 36 citations

Pharmacy, Biochemistry, Electroanalytical Methods +13

A simple micro technique for the determination of blood ammonia and a note on the effect of exercise

Helen McCullough · Clinica Chimica Acta · 1968 · 25 citations

Education, Physiology, Exercise Physiology +7