The post-modification of magnetic metal–organic frameworks with β-cyclodextrin for the efficient removal of fungicides from environmental water

Abstract

Application of magnetic metal-organic frameworks with β-cyclodextrin (Fe3O4@MIL-100(Fe)/β-CD) for efficient removal of fungicides from environmental water.

Applications of novel composite UiO-66-NH2/Melamine with phosphorous acid tags as a porous and efficient catalyst for the preparation of novel spiro-oxindoles

“…5a–d). The structure and morphology of UiO-66-NH 2 are in agreement with the references, and the structure takes the form of fcu 11–36 (Fig. 5a and b).…”

“…The post-modification method is very interesting for designing various catalysts based on MOFs. 12–14 This method has been introduced for MOFs that are assembled and modified with different chemical reagents while their structures and networks remain stable. 15,16 We have used post-modification method for coupling phosphorus acid tags with MOFs, 17–19 carbon quantum dots 20 and mesoporous materials, 21 as well as melamine, 22 glycoluril 23 and uric acid 24 as novel catalysts.…”

Ibuprofen Loaded into Metal–Organic Framework Shells Coated on Fe3O4 Nanoparticles for the Removal of Protein-Bound Uremic Toxins in Blood

“…The successful synthesis of the Fe 3 O 4 /MOF/IBU nanoremover could be further characterized by Fourier transform infrared (FT-IR) spectroscopy (Figure C). The peak at about 588 cm –1 in the Fe 3 O 4 spectrum might be the Fe–O vibration peak . In the spectrum of the Fe 3 O 4 /MOF nanoparticles, the peaks at 1562 and 1442 cm –1 might correspond to the CO stretching vibration of the carboxyl group and the stretching vibration of the aromatic ring, indicating the successful encapsulation of a MOF shell .…”

“…The peak at about 588 cm –1 in the Fe 3 O 4 spectrum might be the Fe–O vibration peak . In the spectrum of the Fe 3 O 4 /MOF nanoparticles, the peaks at 1562 and 1442 cm –1 might correspond to the CO stretching vibration of the carboxyl group and the stretching vibration of the aromatic ring, indicating the successful encapsulation of a MOF shell . In the spectrum of the Fe 3 O 4 /MOF/IBU nanoremover, the peak at about 1720 cm –1 corresponds to the aliphatic functional group in IBU, proving the successful loading of IBU .…”

“…The Langmuir and Freundlich thermodynamic models were used to fit the adsorption process. The thermodynamic equations were as follows: where q e (mg g –1 ) is the adsorption capacity, q max (mg g –1 ) is the maximum adsorption capacity, c e (ppm) is the concentration at equilibrium, n is the Freundlich constant, and k L and k F are the Langmuir and Freundlich adsorption constants, respectively.…”