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Research progress in chemical and biological protective materials with integrated conventional “decontamination-and-sensing” functions
Materials Science and Engineering: R: Reports ( IF 31.6 ) Pub Date : 2021-06-09 , DOI: 10.1016/j.mser.2021.100626
Peixin Tang , Gang Sun

Personal protective equipment (PPE) is crucial for ensuring occupational safety when handling toxic chemicals or in close contact with biological pathogens. The increased poisoning and infection cases outside the working scenario have attracted public attention, which drove the development and application of PPE for the professionals and the public. The use of PPE can effectively lower the risk of acute and chronic diseases caused by pesticide exposures and significantly reduce the spread of infectious diseases. However, conventional PPE mostly only functions as physical blocking or electrostatic repulsion materials, which still poses potential risks caused by cross- and post-contamination from the PPE. Although sensors are not usually considered as a necessary component of PPE, the detection of health threats in the environment could benefit preparations for unprepared risks promptly, especially in non-occupational situations, thus improving the protection of human safety. In this review, we discuss the needs of novel PPE by surveying some insufficient protection cases and threats that occurred during conventional PPE applications. Then, we summarize recent progress in developing single-functional decontamination and colorimetric sensing PPE, mostly fiber-based media against agricultural toxicants and microorganisms, with intension to inspire the future design of novel PPE with the integrated “decontamination-and-sensing” property. Some recently developed conventional dual-functional materials against either pesticide or microorganism exposures are highlighted. Finally, strategies and limitations of developing decontamination and sensing material using unique interactions and reactions of targets with functionalized fibrous substrates are discussed by comparing the successful approaches and practical challenges in PPE applications.



中文翻译:

集常规“去污传感”功能于一体的生化防护材料研究进展

在处理有毒化学品或与生物病原体密切接触时,个人防护装备 (PPE) 对于确保职业安全至关重要。工作场景外中毒和感染病例的增加引起了公众的关注,这推动了专业人士和公众个人防护装备的发展和应用。个人防护装备的使用可以有效降低农药暴露引起的急慢性疾病的风险,显着减少传染病的传播。然而,传统PPE大多仅起到物理阻隔或静电排斥材料的作用,仍存在PPE交叉污染和后污染的潜在风险。虽然传感器通常不被认为是 PPE 的必要组件,发现环境中的健康威胁有助于及时应对未准备好的风险,特别是在非职业情况下,从而改善对人类安全的保护。在本次审查中,我们通过调查传统 PPE 应用过程中发生的一些保护不足的案例和威胁来讨论新型 PPE 的需求。然后,我们总结了开发单功能去污和比色传感 PPE 的最新进展,主要是针对农业毒物和微生物的纤维基介质,旨在启发具有集成“去污和传感”特性的新型 PPE 的未来设计。重点介绍了一些最近开发的传统双功能材料,可以防止农药或微生物暴露。最后,

更新日期:2021-06-09
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