Journal
CRYSTENGCOMM
Volume 21, Issue 31, Pages 4538-4544Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ce00757a
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Funding
- European Research Council under the European Union's Horizon 2020 Programme (FP/2014-2020)/ERC Grant Agreement [771834 -POPCRYSTAL]
- European Union's Horizon 2020 research and innovation program [FETOPEN-1-2016-2017, 801464]
- National Council of Science and Technology (CONACyT, Mexico) [CVU 419210]
- European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie [748649]
- TU Graz [LP-03]
- CERIC-ERIC Consortium
- NAWI Graz
- Marie Curie Actions (MSCA) [748649] Funding Source: Marie Curie Actions (MSCA)
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Understanding the stability of zeolitic imidazolate framework-8 (ZIF-8) under physiological conditions is critical in biotechnology and biomedicine for biosensing, biocatalysis, and drug delivery. The use of ZIF-8 has shown that this metal organic framework (MOF) and its derived bio-composites can degrade in presence of buffer solutions. Here we present an in-depth analysis of the structural and chemical changes of pure ZIF-8 particles exposed to phosphate buffered saline (PBS) media. Two different particle sizes (2 mu m and 250 nm) were selected and the decomposition operated by 10 mM PBS (aka 1X) was studied using powder X-ray diffraction (PXRD), Fourier transformed infrared spectroscopy (FTIR), time resolved atomic force microscopy (AFM), in situ small angle X-ray scattering (SAXS), and P-31 NMR.
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