Design of Howland current sources using differential evolution optimization

Morcelles, Kaue Felipe; Negri, Lucas Hermann; Bertemes-Filho, Pedro

doi:10.2478/joeb-2020-0014

Cited by 4 publications

(1 citation statement)

References 10 publications

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“…11 Special HCS circuits with error feedback control can be designed for driving high loads in a wider frequency range. 12 Some bioimpedance analyzers use multiple electrodes, then it requires the use of multiplexers which, in turns, add more stray capacitance in the measuring system. Multiple current sources, error feedback control and buffer isolation might be of interested for improving the BIA accuracy.…”

Section: Accuracy and Precision Impactsmentioning

confidence: 99%

The importance of accurate instrumentation for electrical bioimpedance measurements

Bertemes-Filho¹

2021

IJBSBE

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Bioimpedance analysis (BIA) has been successfully used for cancer diagnosis and biomaterial characterizations due to its safety, low cost, effectiveness, portability and applicability. The correct diagnosis depends on the quality of measured data which, in turns, depends on the bioinstrumentation used for capturing and processing the signals.With the advent of innovative materials and integrated circuits, novel approaches in bioinstrumentation have been used to increase both accuracy and precision, and then obtaining a better diagnosis. However, tiny electrodes used to register the signal, such as biosensors, and the increasing number of channels of such a system, impose a great limitation in the electronic, especially at higher frequencies. Further researches in electrical bioimpedance are highly recommended for working with novel and advanced clinical applications in biology and medicine.

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Section: Accuracy and Precision Impactsmentioning

confidence: 99%