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<p>We proposed a fast and temperature self-compensation method to detect streptomycin sulfate aqueous solution concentration based on two-dimensional (2D) Nb<sub>2</sub>CT<sub><i>X</i></sub> MXene nanosheets functionalized tilted fiber Bragg grating (N-TFBG). The introduction of 2D Nb<sub>2</sub>CT<sub><i>X</i></sub> MXene nanosheets brought more than 100% increase in sensitivity and exhibited a high sensitivity of 253.8 pm·mg<sup>−1</sup>·mL<sup>−1</sup> and a detection limit of 80 µg/mL in range of 0.2–0.8 mg/mL. Due to high sensitivity and compact structure, the N-TFBG sensor has a faster measure speed than previous method. Additionally, the sensor has simultaneous temperature measurement by detecting the cladding mode and the core mode resonance peak simultaneously. Our research will supply a new research platform for online detection of streptomycin sulfate concentration.</p>

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A fast streptomycin sulfate sensing based on Nb2CTX functionalized titled fiber Bragg grating

  • 期刊论文

  • 发表日期：

    2026年4月10日

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  • Mingpan Bi,
  • Jie Liu,
  • Yuchen Zhang,
  • Xiaolan Li,
  • Yinping Miao

摘要

We proposed a fast and temperature self-compensation method to detect streptomycin sulfate aqueous solution concentration based on two-dimensional (2D) Nb2CTX MXene nanosheets functionalized tilted fiber Bragg grating (N-TFBG). The introduction of 2D Nb2CTX MXene nanosheets brought more than 100% increase in sensitivity and exhibited a high sensitivity of 253.8 pm·mg−1·mL−1 and a detection limit of 80 µg/mL in range of 0.2–0.8 mg/mL. Due to high sensitivity and compact structure, the N-TFBG sensor has a faster measure speed than previous method. Additionally, the sensor has simultaneous temperature measurement by detecting the cladding mode and the core mode resonance peak simultaneously. Our research will supply a new research platform for online detection of streptomycin sulfate concentration.