期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 48, 页码 26742-26750出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b08773
关键词
metal-organic frameworks; cotton; catalysis; nitric oxide; hard-soft interfaces
资金
- Colorado State University
- National Science Foundation Division of Biomaterials [DMR-1352201]
- National Institutes of Health [1R21EB016838-021]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1352201] Funding Source: National Science Foundation
Immobilization of metal-organic frameworks (MOFs) onto flexible polymeric substrates as secondary supports expands the versatility of MOFs for surface coatings for the development of functional materials. In this work, we demonstrate the deposition of copper(II) benzene-1,3,5-tricarboxylate (CuBTC) crystals directly onto the surface of carboxyl-functionalized cotton capable of generating the therapeutic bioagent nitric oxide (NO) from endogenous sources. Characterization of the CuBTC-cotton material by XRD, ATR-IR, and UV-vis indicate that CuBTC is successfully immobilized on the cotton fabric. In addition, SEM imaging reveals excellent surface coverage with well-defined CuBTC crystals. Subsequently, the CuBTC-cotton material was evaluated as a supported heterogeneous catalyst for the generation of NO using S-nitrosocysteamine as the substrate. The resulting reactivity is consistent with the activity observed for unsupported CuBTC particles. Overall, this work demonstrates deposition of MOFs onto a flexible polymeric material with excellent coverage as well as catalytic NO release from S-nitrosocysteamine at therapeutic levels.
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