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Items from 1 to 16 out of 16 results

article

Polydopamine‐Mediated Metal–Organic Frameworks Modification for Improved Biocompatibility

Jiayu Feng, Liwang Xu, Lulu Qi, Zhengwei Fu, more

Macromolecular Bioscience > 24 > 7 > n/a - n/a

Engineered nanomaterials are promising in biomedical application. However, insufficient understanding of their biocompatibility at the cellular and organic levels prevents their widely biomedical applications. Metal–organic frameworks (MOFs) have attracted increasing attention in recent years. In this work, zeolitic imidazolate framework‐8 (ZIF‐8) and polydopamine (PDA)‐modified ZIF‐8 are chosen as...

article

ZIF‐8 Based Active Wound Dressing for pH Modulation and pH‐Responsive Delivery of Curcumin and Zn²⁺: Effect of Acidity on the Drug Release for Antibacterial and Antioxidant Efficacy

Seojin Jung, Seokhee Chang, Na‐Eun Kim, Yoon‐Jae Song, more

Macromolecular Materials and Engineering > 308 > 11 > n/a - n/a

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

article

A facile one‐pot route to fabricate clothianidin‐loaded ZIF‐8 nanoparticles with biocompatibility and long‐term efficacy

Yue Ma, Kefei Zhao, Yi Ding, Shuai Wu, more

Pest Management Science > 79 > 7 > 2603 - 2610

BACKGROUND Neonicotinoids are among the most essential chemical insecticides worldwide because of their high activity against many important pests and wide application. However, their application is limited by their toxicity to honeybees. Therefore, the development of a facile route to fabricate efficient and eco‐friendly pesticide formulations is of great significance. RESULTS In this study, clothianidin‐loaded...

article

Metolachlor metal–organic framework nanoparticles for reducing leaching, ecotoxicity and improving bioactivity

Lirui Ren, Wenjing Li, Qingjie Li, Daqi Zhang, more

Pest Management Science > 78 > 12 > 5366 - 5378

BACKGROUND The adverse effects of pesticides has led to a series of ecological, environmental and public health issues. Amide herbicides are an important agrochemical, yet many are prone to leach and pollute the environment, which limits their further application. In this study, metolachlor (METO) was selected as a model pesticide and a controlled released nanoparticle (NP) system was constructed...

article

Stem Cell Membrane‐Encapsulated Zeolitic Imidazolate Framework‐8: A Targeted Nano‐Platform for Osteogenic Differentiation (Small 26/2022)

Na Ren, Na Liang, Mengwei Dong, Zhichao Feng, more

Small > 18 > 26 > n/a - n/a

Tissue Regeneration In article number 2202485, Na Ren, Chao Liu, Hong Liu, and co‐workers report stem cell membrane‐encapsulated zeolitic imidazolate framework‐8 and take advantage of the innate targeting capacity towards stem cells to regulate osteogenic differentiation, and further promote bone repair.

article

Stem Cell Membrane‐Encapsulated Zeolitic Imidazolate Framework‐8: A Targeted Nano‐Platform for Osteogenic Differentiation

Na Ren, Na Liang, Mengwei Dong, Zhichao Feng, more

Small > 18 > 26 > n/a - n/a

Mesenchymal stem cells (MSCs) have been recognized as one of the most promising pharmaceutical multipotent cells, and a key step for their wide application is to safely and efficiently regulate their activities. Various methods have been proposed to regulate the directional differentiation of MSCs during tissue regeneration, such as nanoparticles and metal ions. Herein, nanoscale zeolitic imidazolate...

article

Superwetting Polyvinlydene Fluoride Membranes with Micro‐Nano Structure for Oil‐in‐Water Emulsion Separation

Yingying Zhao, Xiaoli Ji, Lili Wu, Zezhen Zhang, more

Macromolecular Materials and Engineering > 307 > 4 > n/a - n/a

Membrane technology is seen as one of the useful strategies for the treatment of oily wastewater, but the membrane fouling in the process of membrane filtration seriously may affect some properties and time‐consuming. Hydrophilic membrane surface can reduce membrane fouling. The appropriate design for membrane composition and surface structure can transform membrane surface with expected performance...

article

Zeolitic imidazolate framework‐8 as a dispersive solid phase extraction sorbent for simultaneous determination of 145 pesticide residues in polyphenol‐rich plants

Telin Zhu, Peipei Qi, Jiao Wang, Shanshan Di, more

Journal of Separation Science > 45 > 7 > 1326 - 1335

Many plants have a high polyphenol content, which causes the matrix effect and makes the analysis of trace pesticide residues highly challenging. A common approach to improving matrix effects is to purify pesticides through the use of sorbents, but this requires a combination of multiple sorbents and extensive use. Zeolitic imidazolate framework‐8 is widely used for pesticide analysis due to its high...

article

Nitrogen‐Doped Carbon Networks with Consecutive Conductive Pathways from a Facile Competitive Carbonization‐Etching Strategy for High‐Performance Energy Storage

Siliang Liu, Zhe Zhao, Li Jin, Jing Sun, more

Small > 18 > 2 > n/a - n/a

Recently, new carbonization strategies for synthesizing structure‐controlled and high‐performance carbon electrode materials have attracted great attentions in the field of energy storage and conversion. Here a competitive carbonization‐etching strategy to prepare nitrogen‐doped carbon polyhedron@carbon nanosheet (NCP@CNS) hybrids derived from zeolitic imidazolate framework‐8 is presented. Consecutive...

article

Room‐Temperature Solid‐State Lithium Metal Batteries Using Metal Organic Framework Composited Comb‐Like Methoxy Poly(ethylene glycol) Acrylate Solid Polymer Electrolytes

Zhiwen Lei, Qi Qiu, Jinlai Shen, Xiaohu Ao, more

Macromolecular Materials and Engineering > 306 > 10 > n/a - n/a

Solid polymer electrolyte with good thermal stability and flexibility is an excellent candidate for solid‐state lithium metal batteries, while its low ionic conductivity caused by high crystallinity limits its application at ambient temperature. Here a metal organic framework (zeolitic imidazolate framework‐8, ZIF‐8) composited comb‐like methoxy poly(ethylene glycol) acrylate polymer electrolyte (MCPE)...

article

Applications of Functional Metal‐Organic Frameworks in Biosensors

Liping Du, Wei Chen, Ping Zhu, Yulan Tian, more

Biotechnology Journal > 16 > 2 > n/a - n/a

In recent decades, fast advancements in the fields of metal‐organic frameworks (MOFs) are providing unprecedented opportunities for the development of novel functional MOFs for various biosensing applications. Exciting progress is achieved due to the combination of MOFs with various functional components, which introduces novel structures and new features to the MOFs‐based biosensing applications,...

article

Synergistic effect between zeolitic imidazolate framework‐8 and expandable graphite to improve the flame retardancy and smoke suppression of polyurethane elastomer

Guisong Wang, Wenzong Xu, Rui Chen, Wu Li, more

Journal of Applied Polymer Science > 137 > 1 > n/a - n/a

Zeolitic imidazolate framework‐8 (ZIF‐8) was synthesized at room temperature, and then added with expandable graphite (EG) to polyurethane elastomer (PUE) to study their flame retardancy and smoke suppression of PUE. The results showed that when the total flame retardant was 3 wt % and the ratio of ZIF‐8 and EG was 1:3, it had the best effect on the flame retardancy and smoke suppression of PUE. Compared...

article

Nanosized Copper Selenide Functionalized Zeolitic Imidazolate Framework‐8 (CuSe/ZIF‐8) for Efficient Immobilization of Gas‐Phase Elemental Mercury

Zequn Yang, Hailong Li, Jianping Yang, Shihao Feng, more

Advanced Functional Materials > 29 > 17 > n/a - n/a

A key challenge in elemental mercury (Hg⁰) decontamination from flue gas lies in the design of a sorbent with abundant reactive adsorption sites that exhibit high affinity toward Hg⁰ to simultaneously achieve rapid capture and large capacity. Herein, zeolitic imidazolate framework‐8 (ZIF‐8) supported copper selenide (CuSe) nanocomposites are synthesized by a newly designed two‐step surfactant‐assisted...

article

Ratiometric fluorescent detection of Cu²⁺ based on dual‐emission ZIF‐8@rhodamine‐B nanocomposites

Nan Liu, Juan Hao, Lili Chen, Yonghai Song, more

Luminescence > 34 > 2 > 193 - 199

Zeolitic imidazolate framework‐8 (ZIF‐8) loading rhodamine‐B (ZIF‐8@rhodamine‐B) nanocomposites was proposed and used as ratiometric fluorescent sensor to detect copper(II) ion (Cu²⁺). Scanning electron microscopy, Fourier transform infrared spectroscopy, X‐ray powder diffraction, nitrogen adsorption/desorption isotherms and fluorescence emission spectroscopy were employed to characterize the ZIF‐8@rhodamine‐B...

article

Preparation of nano‐ZIF‐8 in methanol with high yield

Don N. Ta, Hong K. D. Nguyen, Bai X. Trinh, Quynh T. N. Le, more

The Canadian Journal of Chemical Engineering > 96 > 7 > 1518 - 1531

This article systematically presented analysis results of factors affecting the preparation of nano‐ZIF‐8 in methanol for high yield. Samples were characterized by X‐ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), Brunauer‐Emmett‐Teller (BET) adsorption, and thermogravimetry‐differential thermal analysis...

article

In Situ Multimodality Imaging of Cancerous Cells Based on a Selective Performance of Fe²⁺‐Adsorbed Zeolitic Imidazolate Framework‐8

Tianyu Du, Chunqiu Zhao, Fawad ur Rehman, Lanmei Lai, more

Advanced Functional Materials > 27 > 5 > n/a - n/a

Metal‐organic frameworks possess tremendous potential in biomedical areas for their particular structure. In this study, the authors explored Fe²⁺‐adsorbed nanoscaled zeolitic imidazolate framework‐8 (ZIF‐8) for in vivo multimodal imaging of cancerous cells for early diagnosis of target cancers. The observations demonstrate that adding Fe²⁺ into the suspension of ZIF‐8 can neutralize the alkalinity...

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Keywords

ZEOLITIC IMIDAZOLATE FRAMEWORK‐8 (16)
BONE REPAIR (2)
CELL MEMBRANE ENCAPSULATION (2)
MESENCHYMAL STEM CELLS (2)
OSTEOGENIC DIFFERENTIATION (2)
ADSORPTION (1)
ANTIBACTERIALS (1)
APIS MELLIFERA (1)
BIOACTIVITY (1)
BIOCOMPATIBILITY (1)
BIOSENSORS (1)
CANCER DIAGNOSIS (1)
CHARACTERIZATION (1)
CLOTHIANIDIN (1)
COMPOSITES (1)
CONSECUTIVE CONDUCTIVE NETWORKS (1)
CU2 + (1)
CURCUMIN (1)
ECOTOXICITY (1)
ELECTROCHEMICAL SENSORS (1)
ELEMENTAL MERCURY (1)
EXPANDABLE GRAPHITE (1)
FLAME RETARDANCY (1)
FLUE GAS (1)
HUMAN UMBILICAL VEIN ENDOTHELIAL CELLS (1)
IN SITU BIOSYNTHESIS (1)
IN VIVO MULTIMODALITY IMAGING (1)
LEACHING (1)
LITHIUM METAL BATTERIES (1)
MATRIX EFFECT (1)
METAL ORGANIC FRAMEWORKS (1)
METAL‐ORGANIC FRAMEWORKS (1)
METOLACHLOR (1)
MICRO‐NANO STRUCTURES (1)
MOLTEN SALT (1)
NANOCRYSTALS (1)
NILAPARVATA LUGENS (1)
NITROGEN DOPING (1)
OIL‐IN‐WATER SEPARATION (1)
PESTICIDES (1)
PH (1)
PH RESPONSE RELEASE (1)
POLYDOPAMINE (1)
POLYPHENOLS (1)
POLYVINLYDENE FLUORIDE MEMBRANES (1)
RATIOMETRIC FLUORESCENT SENSOR (1)
RHODAMINE‐B (1)
SELENIDE (1)
SENSITIVE ELEMENTS (1)
SOIL ADSORPTION (1)
SOLID POLYMER ELECTROLYTES (1)
SUPERCAPACITOR (1)
SYNERGISTIC EFFECT (1)
SYNTHESIS (1)
TANDEM MASS SPECTROMETRY (1)
TANNIN ACID (1)
WOUNDS (1)
ZEBRAFISH (1)
ZINC IONS (1)
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