| dc.description.abstract | This thesis investigated the feasibility of utilizing microneedle electrodes for
surface electromyography (EMG), aiming to address challenges associated with current
manufacturing methods, including feasibility, biosafety, and production costs, which
hinder widespread adoption of this electrode type. Motivated by the limitations of
traditional wet electrodes, such as skin preparation requirements, irritation from
electrolysis gel, and impedance issues, this study explores the potential of microneedle
electrodes as an alternative EMG signal acquisition method. The primary objective is
to develop microneedle electrodes capable of penetrating the stratum corneum without
breakage, enabling reliable signal recording without skin irritation or the need for
electrolysis gel. The methods employed encompass the fabrication of electrodes using
PLA plastic, followed by electroless Nickel plating, and subsequent evaluation of
electrode performance in signal acquisition. Along with other evaluations of electrode
effectiveness such as fracture test, impedance measurement, and evaluation of the
biological potential of the material when in contact with the skin. Results demonstrated
the successful penetration of microneedle electrodes through the stratum corneum, and
achieving comparable signal recording efficiency to conventional wet electrodes
without the need for skin preparation. Impedance measurements revealed favorable
characteristics of microneedle electrodes, indicating their suitability for long-term
signal monitoring. Further analysis, including morphological assessment and
biocompatibility testing, corroborates the potential of microneedle electrodes as an
alternative to wet electrodes. These findings highlighted the promising potential of
microneedle electrodes as a reliable and convenient alternative for surface EMG
recording, addressing the limitations of traditional electrodes and enhancing
accessibility and usability in clinical and research settings. This advancement is
expected to contributes to future advancements in EMG research and development. | en_US |
