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A sweat-responsive covalent organic framework film for material-based liveness detection and sweat pore analysis

Author

Listed:
  • Qing Hao

    (Southeast University, 2# Sipailou)

  • Xiao-Rui Ren

    (Chinese Academy of Sciences)

  • Yichen Chen

    (Southeast University, 2# Sipailou)

  • Chao Zhao

    (Southeast University, 2# Sipailou)

  • Jingyi Xu

    (Southeast University, 2# Sipailou)

  • Dong Wang

    (Chinese Academy of Sciences)

  • Hong Liu

    (Southeast University, 2# Sipailou)

Abstract

Covalent organic frameworks have shown considerable application potential and exceptional properties in the construction of stimulus-responsive materials. Here, we designed a sweat-responsive covalent organic framework film for material-based fingerprint liveness detection. When exposed to human sweat, the COFTPDA-TFPy film can transform from yellow to red. The COFTPDA-TFPy film, when touched by living fingers, can produce the naked-eye-identified fingerprint pattern through the sweat-induced color change, while artificial fake fingerprints cannot. This technique, which we named material-based liveness detection, can thus intuitively discern living fingers from fake fingerprints with a 100% accuracy rate. Additionally, the distribution of sweat pores on human skin can also be collected and analyzed by shortening the contact time. By merely washing them with ethanol, all the samples can be utilized again. This work inventively accomplished material-based liveness detection and naked-eye-identified sweat pore analysis and highlighted their potential for use in clinical research and personal identification.

Suggested Citation

  • Qing Hao & Xiao-Rui Ren & Yichen Chen & Chao Zhao & Jingyi Xu & Dong Wang & Hong Liu, 2023. "A sweat-responsive covalent organic framework film for material-based liveness detection and sweat pore analysis," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-36291-9
    DOI: 10.1038/s41467-023-36291-9
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    References listed on IDEAS

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    1. Joosub Lee & Minkyeong Pyo & Sang-hwa Lee & Jaeyong Kim & Moonsoo Ra & Whoi-Yul Kim & Bum Jun Park & Chan Woo Lee & Jong-Man Kim, 2014. "Hydrochromic conjugated polymers for human sweat pore mapping," Nature Communications, Nature, vol. 5(1), pages 1-10, September.
    2. Laura Ascherl & Emrys W. Evans & Matthias Hennemann & Daniele Di Nuzzo & Alexander G. Hufnagel & Michael Beetz & Richard H. Friend & Timothy Clark & Thomas Bein & Florian Auras, 2018. "Solvatochromic covalent organic frameworks," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    3. Rengan Luo & Haifeng Lv & Qiaobo Liao & Ningning Wang & Jiarui Yang & Yang Li & Kai Xi & Xiaojun Wu & Huangxian Ju & Jianping Lei, 2021. "Intrareticular charge transfer regulated electrochemiluminescence of donor–acceptor covalent organic frameworks," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    4. Fei Yu & Wenbo Liu & Si-Wen Ke & Mohamedally Kurmoo & Jing-Lin Zuo & Qichun Zhang, 2020. "Electrochromic two-dimensional covalent organic framework with a reversible dark-to-transparent switch," Nature Communications, Nature, vol. 11(1), pages 1-6, December.
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