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Two luminescent metal–organic frameworks for the sensing of nitroaromatic explosives and DNA strands
Abstract
With a flexible aromatic ligand, bis-(3,5-dicarboxy-phenyl)terephthalamide (H4L), two metal–organic frameworks, Cd(L)·(HDMA)2(DMF)(H2O)3 (1) and Zn(L)·(HDMA)2(DMF)(H2O)6 (2), were synthesized using a solvothermal method. Both 1 and 2 possess a 3D open framework. These two compounds exhibit strong photoluminescence in suspensions, and their luminescence could be efficiently and selectively quenched by a series of nitroaromatics. Thus, 1 and 2 could be used as excellent luminescent probes for nitroaromatic explosives. Additionally, 1 and 2 could also be utilized as the sensing platforms for DNA strands, which is attributed to their different affinities for single- and double-stranded DNAs. With this method, 0.05 nM of target DNA could be detected, and the selectivity could be down to a single nucleotide mismatch. This work shows the potential of MOFs for the sensing of versatile chemicals.
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Metal-organic framework materials as catalysts
Lee, J., Farha, O. K., Roberts, J., Scheidt, K. A., Nguyen, S. T., & Hupp, J. T. (2009) · Chemical Society Reviews · doi:10.1039/b807080f · Cited by 7,969
Cited by
Joarder, B., Desai, A. V., Samanta, P., Mukherjee, S., & Ghosh, S. K. (2015) · Chemistry – A European Journal · doi:10.1002/chem.201405167 · Cited by 334
Metadata
- Authors
- Wang, G.-Y., Song, C., Kong, D.-M., Ruan, W.-J., Chang, Z., & Li, Y.
- Venue
- J. Mater. Chem. A
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2014
- Volume
- 2
- Issue
- 7
- Pages
- 2213-2220
- ISSN
- 2050-7488 (ISSN-L)
- 2050-7496
- OpenAlex
- W2153370411
- Cited by
- 271
- References
- 1
- FWCI
- 13.83
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, G.-Y., Song, C., Kong, D.-M., Ruan, W.-J., Chang, Z., & Li, Y. (2014). Two luminescent metal–organic frameworks for the sensing of nitroaromatic explosives and DNA strands. J. Mater. Chem. A. https://doi.org/10.1039/c3ta14199c
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