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<p>Tetracycline antibiotics have been extensively used in agricultural and human medicine nowadays. Therefore, the rapid detection of tetracycline antibiotics residues in the environment has become a matter of growing concern. Here, in this work, we successfully fabricated a functional Al-based metal-organic gel (Al-MOG) for the detection of tetracycline antibiotics. Al-MOG exhibited a low crystallinity with a high specific surface area of 72.157 m<sup>2</sup>/g. Besides, the gel demonstrated superior rheological performance, including stable storage modulus (G′) and loss modulus (G″), a frequency-triggered network transition, and high damage resistance owing to its high-yield strain, rendering it promising for dynamic mechanical applications. And the water contact angle test proved that the Al-MOG exhibited good hydrophilicity. Further investigation of tetracycline antibiotics detection revealed that Al-MOG achieved a limit of detection (LOD) of 0.29&#xa0;µM for OTCs and 0.46&#xa0;µM for TC. Furthermore, the detection performance of tetracycline antibiotics manifested excellent anti-interference performance.</p>

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The Fabrication of Water Stable Al Based Metal–organic Gels for Effective Detection of Tetracyclines

  • 期刊论文

  • 发表日期：

    2026年3月12日

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  • Huanna Zong,
  • Jingran Tian,
  • Yan Liu,
  • Zijun Wang,
  • Liwei Zhu

摘要

Tetracycline antibiotics have been extensively used in agricultural and human medicine nowadays. Therefore, the rapid detection of tetracycline antibiotics residues in the environment has become a matter of growing concern. Here, in this work, we successfully fabricated a functional Al-based metal-organic gel (Al-MOG) for the detection of tetracycline antibiotics. Al-MOG exhibited a low crystallinity with a high specific surface area of 72.157 m2/g. Besides, the gel demonstrated superior rheological performance, including stable storage modulus (G′) and loss modulus (G″), a frequency-triggered network transition, and high damage resistance owing to its high-yield strain, rendering it promising for dynamic mechanical applications. And the water contact angle test proved that the Al-MOG exhibited good hydrophilicity. Further investigation of tetracycline antibiotics detection revealed that Al-MOG achieved a limit of detection (LOD) of 0.29 µM for OTCs and 0.46 µM for TC. Furthermore, the detection performance of tetracycline antibiotics manifested excellent anti-interference performance.