Development of a Metal-Organic Framework/Textile Composite for the Rapid Degradation and Sensitive Detection of the Nerve Agent VX

Martijn C. De Koning; Kaikai Ma; Marco Van Grol; Ivan Iordanov; Melvin J.L. Kruijne; Karam B. Idrees; Haomiao Xie; Timur Islamoglu; Rowdy P.T. Bross; Omar K. Farha

doi:10.1021/acs.chemmater.1c03895

Development of a Metal-Organic Framework/Textile Composite for the Rapid Degradation and Sensitive Detection of the Nerve Agent VX

Martijn C. De Koning^*, Kaikai Ma, Marco Van Grol, Ivan Iordanov, Melvin J.L. Kruijne, Karam B. Idrees, Haomiao Xie, Timur Islamoglu, Rowdy P.T. Bross, Omar K. Farha^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

In the case of an incident with nerve agents, the timely and ready detection and identification of such a substance on suspected surfaces is essential. However, the detection of low levels of nerve agents on a surface is a considerable challenge for conventional detection equipment, especially with VX, a highly toxic nerve agent with low volatility. Here, we report the development of a metal-organic framework (MOF)/fabric composite that gives a rapid, visual, and sensitive color response when pre-wetted and rubbed over a VX-contaminated surface. The fabric is composed of cotton textile modified with the zirconium-based MOF MOF-808 that possesses a bidentate reactive dye, ditopic 5,5-dithiobis(2-nitrobenzoic acid) (DTNB), on its nodes. The crystal structure of DTNB@MOF-808 showed that DTNB bridges between two adjacent nodes in MOF-808. The colorless composite changes to bright orange upon contact with VX as a result of the degradation of VX and the concomitant reaction of the dye with a VX degradation product in the MOF pores.

Original language	English (US)
Pages (from-to)	1269-1277
Number of pages	9
Journal	Chemistry of Materials
Volume	34
Issue number	3
DOIs	https://doi.org/10.1021/acs.chemmater.1c03895
State	Published - Feb 8 2022

Funding

M.C.d.K. and M.v.G. thank the Dutch Ministry of Defense for financial support under CBRN Program V1802. O.K.F. acknowledges the financial support from the USA Army Research Office (W911NF2020136) for the MOF/fiber composite preparation and the USA Defense Threat Reduction Agency (HDTRA1-18-1-0003) for DMNP hydrolysis work. This work made use of the EPIC facility of Northwestern University’s NUANCE Center, which has received support from the Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource (NSFECCS1542205), the MRSEC program (NSF DMR-1720139) at the Materials Research Center, the International Institute for Nanotechnology (IIN), the Keck Foundation, and the State of Illinois through the IIN. The authors thank Dr Kent Kirlikovali for proofreading the manuscript.

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Materials Chemistry

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10.1021/acs.chemmater.1c03895

Cite this

De Koning, M. C., Ma, K., Van Grol, M., Iordanov, I., Kruijne, M. J. L., Idrees, K. B., Xie, H., Islamoglu, T., Bross, R. P. T., & Farha, O. K. (2022). Development of a Metal-Organic Framework/Textile Composite for the Rapid Degradation and Sensitive Detection of the Nerve Agent VX. Chemistry of Materials, 34(3), 1269-1277. https://doi.org/10.1021/acs.chemmater.1c03895

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abstract = "In the case of an incident with nerve agents, the timely and ready detection and identification of such a substance on suspected surfaces is essential. However, the detection of low levels of nerve agents on a surface is a considerable challenge for conventional detection equipment, especially with VX, a highly toxic nerve agent with low volatility. Here, we report the development of a metal-organic framework (MOF)/fabric composite that gives a rapid, visual, and sensitive color response when pre-wetted and rubbed over a VX-contaminated surface. The fabric is composed of cotton textile modified with the zirconium-based MOF MOF-808 that possesses a bidentate reactive dye, ditopic 5,5-dithiobis(2-nitrobenzoic acid) (DTNB), on its nodes. The crystal structure of DTNB@MOF-808 showed that DTNB bridges between two adjacent nodes in MOF-808. The colorless composite changes to bright orange upon contact with VX as a result of the degradation of VX and the concomitant reaction of the dye with a VX degradation product in the MOF pores.",

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AU - Iordanov, Ivan

AU - Kruijne, Melvin J.L.

AU - Idrees, Karam B.

AU - Xie, Haomiao

AU - Islamoglu, Timur

AU - Bross, Rowdy P.T.

AU - Farha, Omar K.

PY - 2022/2/8

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N2 - In the case of an incident with nerve agents, the timely and ready detection and identification of such a substance on suspected surfaces is essential. However, the detection of low levels of nerve agents on a surface is a considerable challenge for conventional detection equipment, especially with VX, a highly toxic nerve agent with low volatility. Here, we report the development of a metal-organic framework (MOF)/fabric composite that gives a rapid, visual, and sensitive color response when pre-wetted and rubbed over a VX-contaminated surface. The fabric is composed of cotton textile modified with the zirconium-based MOF MOF-808 that possesses a bidentate reactive dye, ditopic 5,5-dithiobis(2-nitrobenzoic acid) (DTNB), on its nodes. The crystal structure of DTNB@MOF-808 showed that DTNB bridges between two adjacent nodes in MOF-808. The colorless composite changes to bright orange upon contact with VX as a result of the degradation of VX and the concomitant reaction of the dye with a VX degradation product in the MOF pores.

AB - In the case of an incident with nerve agents, the timely and ready detection and identification of such a substance on suspected surfaces is essential. However, the detection of low levels of nerve agents on a surface is a considerable challenge for conventional detection equipment, especially with VX, a highly toxic nerve agent with low volatility. Here, we report the development of a metal-organic framework (MOF)/fabric composite that gives a rapid, visual, and sensitive color response when pre-wetted and rubbed over a VX-contaminated surface. The fabric is composed of cotton textile modified with the zirconium-based MOF MOF-808 that possesses a bidentate reactive dye, ditopic 5,5-dithiobis(2-nitrobenzoic acid) (DTNB), on its nodes. The crystal structure of DTNB@MOF-808 showed that DTNB bridges between two adjacent nodes in MOF-808. The colorless composite changes to bright orange upon contact with VX as a result of the degradation of VX and the concomitant reaction of the dye with a VX degradation product in the MOF pores.

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Development of a Metal-Organic Framework/Textile Composite for the Rapid Degradation and Sensitive Detection of the Nerve Agent VX

Abstract

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CCDC 2120280: Experimental Crystal Structure Determination

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Development of a Metal-Organic Framework/Textile Composite for the Rapid Degradation and Sensitive Detection of the Nerve Agent VX

Abstract

Funding

ASJC Scopus subject areas

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CCDC 2120280: Experimental Crystal Structure Determination

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