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<p>Paper-based cultural relics are damaged by pest infestations. Traditional pest control methods often suffer from long cycles, low efficacy, or potential harm to the paper substrate. This study investigates the insecticidal and protective effects of Na₂B₈O₁₃·4H₂O on key pests, including <i>Lasioderma serricorne</i>, <i>Tribolium castaneum</i>, and <i>Oryzaephilus surinamensis</i>. Among several materials tested, Na₂B₈O₁₃·4H₂O showed the strongest insecticidal activity. Combining it with intermittent vacuum treatment synergistically enhanced efficacy, achieving 100% mortality in L. serricorne larvae within 24 h. Transcriptomic analysis revealed that Na₂B₈O₁₃·4H₂O exerts its insecticidal effect by disrupting multiple pathways in <i>Lasioderma serricorne</i> larvae, including chitin synthesis, energy metabolism, and insect hormone biosynthesis. Furthermore, when incorporated into paper-based packaging, it significantly enhances the paper’s acid-buffering capacity, effectively delaying acidification in a simulated acidic environment. These findings offer a promising integrated strategy for simultaneous pest and acidification control, providing a foundation for developing next-generation multifunctional materials for preserving paper-based cultural heritage.</p>

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Dual-function Na₂B₈O₁₃·4H₂O for integrated pest management and acidification mitigation in paper-based cultural heritage

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月23日

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  • Jing Cao,
  • Xin Liu,
  • Ruomu Zhang,
  • Rui Zhang,
  • Su Yan,
  • Cheng Yang,
  • Shaozhe Wang,
  • Renjie He,
  • Bingjie Mai

摘要

Paper-based cultural relics are damaged by pest infestations. Traditional pest control methods often suffer from long cycles, low efficacy, or potential harm to the paper substrate. This study investigates the insecticidal and protective effects of Na₂B₈O₁₃·4H₂O on key pests, including Lasioderma serricorne, Tribolium castaneum, and Oryzaephilus surinamensis. Among several materials tested, Na₂B₈O₁₃·4H₂O showed the strongest insecticidal activity. Combining it with intermittent vacuum treatment synergistically enhanced efficacy, achieving 100% mortality in L. serricorne larvae within 24 h. Transcriptomic analysis revealed that Na₂B₈O₁₃·4H₂O exerts its insecticidal effect by disrupting multiple pathways in Lasioderma serricorne larvae, including chitin synthesis, energy metabolism, and insect hormone biosynthesis. Furthermore, when incorporated into paper-based packaging, it significantly enhances the paper’s acid-buffering capacity, effectively delaying acidification in a simulated acidic environment. These findings offer a promising integrated strategy for simultaneous pest and acidification control, providing a foundation for developing next-generation multifunctional materials for preserving paper-based cultural heritage.