نتایج جستجو برای: ذرات بلوری zif 8

تعداد نتایج: 672286  

Journal: :Macromolecular Materials and Engineering 2023

A wound evolves with variable pHs depending on the healing stage, and maintenance of mild acidic condition can help by deterring formation a biofilm. Herein, dual-layer dressing an acid-responsive zeolitic imidazolate framework–8 (ZIF-8) layer acid-modulating is designed to control acid-dependent release therapeutic agents for improved process. The outer coated curcumin-incorporated ZIF-8, wher...

Journal: :Chemical communications 2012
Watcharop Chaikittisilp Ming Hu Hongjing Wang Hou-Sheng Huang Taketoshi Fujita Kevin C-W Wu Lin-Chi Chen Yusuke Yamauchi Katsuhiko Ariga

Nanoporous carbons with high surface area are achieved through direct carbonization of a commercially available zeolitic imidazolate framework (ZIF-8) without any additional carbon sources. The resultant nanoporous carbons exhibit high electrochemical capacitances in an acidic aqueous electrolyte.

Journal: :Science China. Materials 2021

Smart proton conductive metal-organic framework (MOF) membranes with dynamic remote control over conduction show high potential for use in advanced applications, such as sensors and bioprocesses. Here, we report a photoswitchable ZIF-8 membrane by coencapsulating polystyrene sulfonate graphene quantum dots into matrix (GQDs-PSS@ZIF-8) via solid-confined conversion process. The conductivity of t...

Journal: :Catalysts 2023

High internal phase Pickering emulsion (Pickering HIPE) stabilized by enzyme-decorated metal-organic frameworks (MOFs) nanoparticles is developed for biphasic biocatalysts to enhance lipase catalysis and recycling. Specifically, enzyme decorated are prepared via ZIF-8 physisorption of a model Candida antarctica Lipase B (CALB), named ZIF-8@CALB, be both stabilizer catalytic sites. An oil-in-wat...

Journal: :Chemosensors 2022

Firstly, ZnO nanorods were prepared by a relatively simple method, and then self-sacrificed water bath heating method to generate commonly used porous ZIF-8 firmly attached the surface. The successful synthesis of synthetic composites was demonstrated with various detection methods. gas-sensing results show that ZIF-8-coated core-shell structure exhibits better response than raw because increas...

Journal: :Advances in Science and Technology 2021

Mixed matrix membranes (MMMs) have gained much interest in the last two decades to be used as water, waste and gas separation membranes. MMMs combine polymer inorganic filler improve performances of pure polymeric However, choice should conducted carefully avoid formation microvoids that can decrease membrane’s performances. Hence, this study synthesis characterization Zeolitic Imidazolate Fram...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2016
Amber M Mosier Hanna L W Larson Elizabeth R Webster Mia Ivos Fangyuan Tian Lauren Benz

The adsorption of methanol by a zeolitic imidazolate framework-8 (ZIF-8) nanoparticle thin film was studied in situ using temperature-programmed desorption and X-ray photoelectron spectroscopy under low-temperature, low-pressure conditions. Partial pore penetration was observed at 90 K, but upon increasing the exposure temperature of the film to 130 K pore penetration was significantly enhanced...

Journal: :Catalysts 2021

Considering the photocatalytic performance of CDs, ZnO, and unique porous nanostructure stability ZIF-8, we prepared ZnCDs/ZnO@ZIF-8 zeolite composites. The resultant material represented an enhanced ability for photodegradation TC compared with that ZnCDs ZnO. degradation efficiency reached over 85%. catalytic activity composites was maintained after four cycles. experimental result indicated ...

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