Optics and Precision Engineering, Volume. 32, Issue 11, 1701(2024)
Continuous monitoring chip of blood pH and PCO2 based on electrochemical sensing
Figures & Tables(8)
Fig. 1. Schematic diagram of structure and fabrication process of electrochemical sensor
Table 1. Stability test results of pH sensor
View tableView in ArticleTable 1. Stability test results of pH sensor
次数 6.05 6.40 6.72 7.02 7.28 7.68 7.93 8.27 8.63 8.96 1 6.105 6.383 6.691 7.008 7.264 7.658 7.894 8.317 8.512 9.000 2 6.102 6.385 6.695 7.013 7.268 7.657 7.915 8.316 8.515 9.000 3 6.102 6.387 6.690 7.010 7.264 7.657 7.893 8.316 8.518 9.001 4 6.099 6.391 6.690 7.010 7.264 7.656 7.894 8.316 8.521 9.001 5 6.099 6.390 6.688 7.009 7.265 7.653 7.896 8.317 8.524 9.001 6 6.098 6.392 6.690 7.006 7.264 7.649 7.899 8.318 8.527 9.000 7 6.096 6.391 6.687 7.003 7.259 7.645 7.906 8.319 8.530 8.997 8 6.096 6.391 6.687 6.999 7.257 7.640 7.909 8.320 8.534 8.992 9 6.097 6.390 6.685 6.996 7.255 7.634 7.914 8.319 8.537 8.984 10 6.097 6.390 6.684 6.992 7.253 7.629 7.919 8.319 8.542 8.969 平均值 6.099 6.389 6.689 7.005 7.261 7.648 7.904 8.318 8.526 8.995 标准差 0.003 0.003 0.003 0.007 0.005 0.010 0.009 0.001 0.009 0.010
Table 2. Reproducibility test results of pH sensor
View tableView in ArticleTable 2. Reproducibility test results of pH sensor
pH值 第一次测量 第二次测量 第三次测量 pH测量值 绝对误差 相对误差/% pH测量值 绝对误差 相对误差/% pH测量值 绝对误差 相对误差/% 6.38 6.370 0.010 0.16 6.409 0.029 0.45 6.388 0.008 0.13 6.69 6.686 0.004 0.06 6.699 0.009 0.13 6.725 0.035 0.52 7.03 7.031 0.001 0.01 7.032 0.002 0.03 7.020 0.010 0.14 7.35 7.295 0.055 0.75 7.290 0.060 0.82 7.317 0.033 0.45 7.70 7.712 0.012 0.16 7.703 0.003 0.04 7.730 0.030 0.39 8.02 8.029 0.009 0.11 8.063 0.043 0.54 8.053 0.033 0.41 8.36 8.374 0.014 0.17 8.279 0.081 0.97 8.295 0.065 0.78 8.65 8.659 0.009 0.10 8.541 0.109 1.26 8.592 0.058 0.67 平均相对误差 0.19 0.53 0.44
Table 2. Reproducibility test results of pH sensor
View tableView in ArticleTable 2. Reproducibility test results of pH sensor
pH值 第四次测量 第五次测量 第六次测量 pH测量值 绝对误差 相对误差/% pH测量值 绝对误差 相对误差/% pH测量值 绝对误差 相对误差/% 6.38 6.405 0.025 0.39 6.353 0.027 0.42 6.369 0.011 0.17 6.69 6.699 0.009 0.13 6.671 0.019 0.28 6.700 0.010 0.15 7.03 7.061 0.031 0.44 7.055 0.025 0.36 7.073 0.043 0.61 7.35 7.351 0.001 0.01 7.358 0.008 0.11 7.393 0.043 0.59 7.70 7.721 0.021 0.27 7.744 0.044 0.57 7.771 0.071 0.92 8.02 8.062 0.042 0.52 8.066 0.046 0.57 7.987 0.033 0.41 8.36 8.284 0.076 0.91 8.327 0.033 0.39 8.292 0.068 0.81 8.65 8.574 0.076 0.88 8.518 0.132 1.53 8.514 0.136 1.57 平均相对误差 0.44 0.53 0.65
Tools
Get Citation
Copy Citation Text
Haixia YU, Jiale LIU, Yixin FAN, Zhiguang TAN, Qing GUO. Continuous monitoring chip of blood pH and PCO2 based on electrochemical sensing[J]. Optics and Precision Engineering, 2024, 32(11): 1701
Paper Information
Category:
Received: Jan. 15, 2024
Accepted: --
Published Online: Aug. 8, 2024
The Author Email: GUO Qing (guoq@tju.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20