Анотація
Диференціальний метод кондуктометричних вимірювань не вирішує повністю проблему впливу зміни фонової електропровідності робочих буферних розчинів на результати перетворення відгуків біосенсора. Зміна фонової електропровідності буферного розчину під час додавання високопровідного аналіту діє як синфазна завада і викликає адитивну похибку. У статті розглянуто новий метод вимірювання та структуру пристрою для кількісного визначення аналітів, які забезпечують значне зменшення похибки вимірювання, пов'язаної зі зміною фонової електропровідності, викликаної введенням аналіту в робочий розчин перед генерацією інформаційного сигналу. Наведено структурну схему пристрою і векторну модель процесу балансування його вимірювального кола. Показано переваги розробленого методу і біосенсорного аналізатора задля застосування за можливих змін параметрів перетворювача та умов вимірювання. Бібл. 37, рис. 4.
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