The construction of a tubular hydrogen ion-selective potentiometric electrode without inner reference solution, based on the tridodecylamine (TDDA) ionophore, and its evaluation in a flow system are described. TDDA was dissolved in 2-nitrophenyl octyl ether, dispersed in a PVC membrane and applied...
In this discussion I present the approach I take in evaluating and considering surgery for patients with any of a wide variety of anterior knee pain problems. It has been useful to concentrate on the biomechanics--the mechanical consequence to each tissue affected by any surgical change. In the...