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<p>Several studies have been reported using thermoplastic composite substrates for online sensing applications using the micro-strip patch antenna (MPA) concept. However, little has been reported on using 3D printed poly-lactic acid (PLA)-10%SiC substrate with wound healing capability as phagocytosis sensors. This study reports the sensing capability of 3D printed PLA-10% SiC-based substrate as phagocytosis sensors. Initially, the substrates with different proportions of SiC in PLA were 3D printed, followed by mechanical properties investigations. The sample with the minimum stiffness was selected to support the process of phagocytosis. Further, its sensing capability in the industrial scientific and medical (ISM) band was explored using reverse transmission (S<sub>21</sub>), reflection coefficient (S<sub>11</sub>), and specific absorption ratio (SAR) value. The calculated values of S<sub>21</sub> for PLA and PLA-10% SiC were − 59.55&#xa0;dB and − 75.81&#xa0;dB. The S<sub>11</sub> values obtained for PLA and PLA-10% SiC were − 29.35&#xa0;dB and − 21.94&#xa0;dB, and SAR values for PLA and PLA-10% SiC were 1.472&#xa0;W/kg and 1.052 W/kg. Based on the lower stiffness of 3D printed PLA+ 10% SiC substrate and its acceptable S<sub>21</sub>, S<sub>11,</sub> and SAR values, the same is recommended for the fabrication of phagocytosis sensors.</p>

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On Sensing Capability of 3D-Printed PLA Composite-Based Phagocytosis Sensors

  • 期刊论文

  • 发表日期：

    2025年9月2日

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  • Ankush Mehta,
  • Rupinder Singh,
  • B. S. Pabla,
  • Amrinderpal Singh,
  • Mankirat Singh

摘要

Several studies have been reported using thermoplastic composite substrates for online sensing applications using the micro-strip patch antenna (MPA) concept. However, little has been reported on using 3D printed poly-lactic acid (PLA)-10%SiC substrate with wound healing capability as phagocytosis sensors. This study reports the sensing capability of 3D printed PLA-10% SiC-based substrate as phagocytosis sensors. Initially, the substrates with different proportions of SiC in PLA were 3D printed, followed by mechanical properties investigations. The sample with the minimum stiffness was selected to support the process of phagocytosis. Further, its sensing capability in the industrial scientific and medical (ISM) band was explored using reverse transmission (S21), reflection coefficient (S11), and specific absorption ratio (SAR) value. The calculated values of S21 for PLA and PLA-10% SiC were − 59.55 dB and − 75.81 dB. The S11 values obtained for PLA and PLA-10% SiC were − 29.35 dB and − 21.94 dB, and SAR values for PLA and PLA-10% SiC were 1.472 W/kg and 1.052 W/kg. Based on the lower stiffness of 3D printed PLA+ 10% SiC substrate and its acceptable S21, S11, and SAR values, the same is recommended for the fabrication of phagocytosis sensors.