COMPARISON BETWEEN SILICONE-RUBBER MEMBRANES AND PLASTICIZED POLY(VINYL CHLORIDE) MEMBRANES CONTAINING CALIX[4]ARENE IONOPHORES FOR SODIUM ION-SENSITIVE FIELD-EFFECT TRANSISTORS IN APPLICABILITY TO SODIUM ASSAY IN HUMAN-BODY FLUIDS
Y. Tsujimura et al., COMPARISON BETWEEN SILICONE-RUBBER MEMBRANES AND PLASTICIZED POLY(VINYL CHLORIDE) MEMBRANES CONTAINING CALIX[4]ARENE IONOPHORES FOR SODIUM ION-SENSITIVE FIELD-EFFECT TRANSISTORS IN APPLICABILITY TO SODIUM ASSAY IN HUMAN-BODY FLUIDS, Sensors and actuators. B, Chemical, 22(3), 1994, pp. 195-199
Comparisons have been made between sodium ion-sensitive field-effect t
ransistors (ISFETs) based on silicone-rubber membranes and plasticized
poly(vinyl chloride) (PVC) membranes of highly dispersible calix[4]ar
ene ionophores, regarding their applications to sodium assay in blood
sera and urine. The silicone-rubber membranes are found to possess gre
at advantages over the PVC membranes on the application of their ISFET
s to serum and urine samples. Hardly any potential deviation is found
from sodium-ion calibration plots for the silicone-rubber membrane ISF
ETs on the sodium assay even of undiluted samples, whereas the deviati
on is serious for the plasticized-PVC membrane ISFETs.