期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 143, 期 40, 页码 16777-16785出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.1c08576
关键词
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资金
- NSF RAPID [2029270]
- Army Research Office [W911NF2020136]
- Defense Threat Reduction Agency [HDTRA1-18-1-0003, CB3934]
- Dutch Ministry of Defence (CBRN Program) [V1802]
- NSF Graduate Research Fellowship [DGE-1842165]
- Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource [NSFECCS1542205]
- MRSEC program at the Materials Research Center [NSF DMR-1720139]
- International Institute for Nanotechnology (IIN)
- Keck Foundation
- State of Illinois through the IIN
- General Research Fund of the Research Grants Council of the Hong Kong SAR Government [GRF 15208420]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [2029270] Funding Source: National Science Foundation
The recent global health crisis has increased the demand for efficient protective materials against biological and chemical threats. To address this challenge, a regenerable multifunctional textile based on N-chlorine was designed, showing strong capabilities against bacteria, viruses, and chemical threats.
The most recent global health crisis caused by the SARS-CoV-2 outbreak and the alarming use of chemical warfare agents highlight the necessity to produce efficient protective clothing and masks against biohazard and chemical threats. However, the development of a multifunctional protective textile is still behind to supply adequate protection for the public. To tackle this challenge, we designed multifunctional and regenerable N-chlorine based biocidal and detoxifying textiles using a robust zirconium metal-organic framework (MOF), UiO-66-NH2, as a chlorine carrier which can be easily coated on textile fibers. A chlorine bleaching converted the amine groups located on the MOF linker to active N-chlorine structures. The fibrous composite exhibited rapid biocidal activity against both Gram-negative bacteria (E. coli) and Gram-positive bacteria (S. aureus) with up to a 7 log reduction within 5 min for each strain as well as a 5 log reduction of SARS-CoV-2 within 15 min. Moreover, the active chlorine loaded MOF/fiber composite selectively and rapidly degraded sulfur mustard and its chemical simulant 2-chloroethyl ethyl sulfide (CEES) with half-lives less than 3 minutes. The versatile MOF-based fibrous composite designed here has the potential to serve as protective cloth against both biological and chemical threats.
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