A comprehensive survey is presented to review the recent advances of functionalized hybrid magnetic catalytic systems for organic reactions and degradation of dyes.

Herein, a concise survey on the latest enhancements of the recently discovered metal-free halide perovskites (MFHPs) as the last member of the ABX3 perovskite systems is portrayed with regard to its preferential characteristics, functions, and diverse structure. Even with features such as electronic band structures similar to physical characteristics such as liquids applied in optoelectronic systems, the heyday of metal-halide perovskites did not last long, because of the emergence of MFHPs. Indeed, the toxic nature of Pb-containing halide perovskites obstructs scaling up in practice while tending to eco-benign materials utilized in the adjustable design and functional probing has come into view as a significant hotspot in photovoltaic research. The MFHPs emerge with unprecedented properties, including light weight, excellent optoelectronic function, variable chemical structures, adjustability, mechanical adaptability, and environmentally benign procedures. These organic semiconductors with good efficiency and long-term stability are used in light-harvesting devices. Here, in the enterprise to upgrade the latest state of the art, we mean to have a quick browse on the various crystalline structure, synthesis approaches, and different properties of metal-free organic halide materials such as ferroelectric, dielectric, piezoelectric, charge-transport, electrocaloric refrigeration and mechanical properties. Future perspectives on this late-rising category also are submitted.

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This study describes an efficient antimicrobial drug delivery system composed of iron oxide magnetic nanoparticles (Fe3O4 NPs) coated by an MOF-199 network. Then, the prepared vancomycin (VAN)-loaded carrier was fully packed in a lattice of beta-cyclodextrin (BCD). For cell adhesion, beta-cyclodextrin has been functionalized with guanidine (Gn) groups within in situ synthetic processes. Afterward, drug loading efficiency and the release patterns were investigated through precise analytical methods. Confocal microscopy has shown that the prepared cargo (formulated as [VAN@Fe3O4/MOF-199]BCD-Gn) could be attached to the Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) bacterial cells in a higher rate than the individual VAN. The presented system considerably increased the antibacterial effects of the VAN with a lower dosage of drug. The cellular experiments such as the zone of inhibition and optical density (OD600) have confirmed the enhanced antibacterial effect of the designed cargo. In addition, the MIC/MBC (minimum inhibitory and bactericidal concentrations) values have been estimated for the prepared cargo compared to the individual VAN, revealing high antimicrobial potency of the VAN@Fe3O4/MOF-199]BCD-Gn cargo.

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A copper-based metal-organic framework with 1,3,5-tricarboxylic acid linkers was prepared through a facile hydrothermal method. This MOF has not been used in organic reactions widely. Cu.BTC was employed as an affordable, competent heterogeneous catalyst in 1,8-dioxoocta-hydro xanthene synthesis. Additionally, the structure, morphology, and porosity of this catalyst were considered. Various techniques such as FE-SEM, BET, EDS, FT-IR, and XRD applied to this aim. As a result, Cu.BTC had a mesoporous structure, an excellent specific surface area, and high purity. Some privileges of using this heterogeneous catalyst in 1,8-dioxo-octa-hydro xanthene synthesis are mild condition, increased activity, ease in separation, and reusability. Also, 1,8-dioxoocta-hydro xanthene was obtained via simple recrystallization.