Integration of MOF/COF core-shell composite material with wrinkled supramolecular hydrogel: A portable electrochemical sensing platform for noradrenaline bitartrate detection

IF 12.7 1区材料科学 Q1 ENGINEERING, MULTIDISCIPLINARY

Composites Part B: Engineering Pub Date : 2024-11-27 DOI:10.1016/j.compositesb.2024.112029

Wang Sun, Guorong Sun, Junyan Liu, Xiang Huang, Yang Wang

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引用次数: 0

Abstract

Predictably integration of rigid powder nanocrystals with flexible soft materials for rapid, accurate and portable detection of biological small molecules is an ongoing goal of researchers. In this research, the MOF/COF core-shell composite material (MIL-88B(FeCu)/COF) was constructed via monomer-mediated solvothermal approach. Subsequently, the MIL-88B(FeCu)/COF was effectively combined with chitosan-acrylamide based wrinkled supramolecular hydrogel to form a unique rigid-flexible composite material (MIL(FeCu)/COF@Hy). Next, the noradrenaline bitartrate (NB) was selected as a target molecule for electrochemical behavioral assessment. Of note, the portable electrochemical sensing platform constructed in this study does not require the use of solutions (chitosan or Nafion) to seal the electrode materials, and the portable device provides sufficient convenience for NB detection. And the excellent linear window (0.06–10 and 10–1600 μmol/L), sensitivity (0.0645 and 0.0729 μA μM cm⁻²), detection limit (0.02 μmol/L) and anti-interference stability can be achieved. The outstanding electrochemical behaviors may be ascribed to: 1) hydrogel matrix significantly improves the dispersion of MOF/COF composite materials and avoids its agglomeration; 2) there are abundant diffusion paths in the hydrogel nanocomposite; 3) the synergistic catalytic effect of MOF/COF and hydrogel. In short, the combination of this heterostructured MOF/COF composite materials and hydrogel soft materials will provide a valuable reference for the rapid detection of biomolecules.

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来源期刊

Composites Part B: Engineering 工程技术-材料科学：复合

CiteScore

24.40

自引率

11.50%

发文量

784

审稿时长

21 days

期刊介绍： Composites Part B: Engineering is a journal that publishes impactful research of high quality on composite materials. This research is supported by fundamental mechanics and materials science and engineering approaches. The targeted research can cover a wide range of length scales, ranging from nano to micro and meso, and even to the full product and structure level. The journal specifically focuses on engineering applications that involve high performance composites. These applications can range from low volume and high cost to high volume and low cost composite development. The main goal of the journal is to provide a platform for the prompt publication of original and high quality research. The emphasis is on design, development, modeling, validation, and manufacturing of engineering details and concepts. The journal welcomes both basic research papers and proposals for review articles. Authors are encouraged to address challenges across various application areas. These areas include, but are not limited to, aerospace, automotive, and other surface transportation. The journal also covers energy-related applications, with a focus on renewable energy. Other application areas include infrastructure, off-shore and maritime projects, health care technology, and recreational products.