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Yang J, Huang L, You J, Yamauchi Y. Magnetic Covalent Organic Framework Composites for Wastewater Remediation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301044. [PMID: 37156746 DOI: 10.1002/smll.202301044] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/03/2023] [Indexed: 05/10/2023]
Abstract
Covalent organic frameworks (COFs) with high specific surface area, tailored structure, easy functionalization, and excellent chemical stability have been extensively exploited as fantastic materials in various fields. However, in most cases, COFs prepared in powder form suffer from the disadvantages of tedious operation, strong tendency to agglomerate, and poor recyclability, greatly limiting their practical application in environmental remediation. To tackle these issues, the fabrication of magnetic COFs (MCOFs) has attracted tremendous attention. In this review, several reliable strategies for the fabrication of MCOFs are summarized. In addition, the recent application of MCOFs as outstanding adsorbents for the removal of contaminants including toxic metal ions, dyes, pharmaceuticals and personal care products, and other organic pollutants is discussed. Moreover, in-depth discussions regarding the structural parameters affecting the practical potential of MCOFs are highlighted in detail. Finally, the current challenges and future prospects of MCOFs in this field are provided with the expectation to boost their practical application.
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Affiliation(s)
- Juan Yang
- Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Key Lab of Novel Reactor and Green Chemical Technology, Wuhan Institute of Technology, LiuFang Campus, No. 206, Donghu New & High Technology Development Zone Wuhan, Guanggu 1st Road, Wuhan, Hubei, 430205, P. R. China
| | - Lijin Huang
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, No. 388 Lumo Road, Hongshan District, Wuhan, 430074, P. R. China
| | - Jungmok You
- Department of Plant & Environmental New Resources, College of Life Sciences, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do, 17104, South Korea
| | - Yusuke Yamauchi
- Department of Plant & Environmental New Resources, College of Life Sciences, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do, 17104, South Korea
- School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8603, Japan
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Fu Y, Zhang L, Xing Y, Deng S. Quantitative analysis of DNA methylation using sequence-specific, real-time loop-mediated isothermal amplification. Anal Chim Acta 2022; 1235:340535. [DOI: 10.1016/j.aca.2022.340535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 09/26/2022] [Accepted: 10/16/2022] [Indexed: 11/01/2022]
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Zhang L, Chen J, He M, Su X. Molecular dynamics simulation‐guided toehold mediated strand displacement probe for single‐nucleotide variants detection. EXPLORATION 2022; 2:20210265. [PMCID: PMC10190925 DOI: 10.1002/exp.20210265] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/03/2021] [Indexed: 06/16/2023]
Abstract
Single nucleotide variant (SNV) has become an emerging biomarker for various diseases such as cancers and infectious diseases. Toehold‐mediated strand displacement (TMSD), the core reaction of DNA nanotechnology, has been widely leveraged to identify SNVs. However, inappropriate choice of mismatch location results in poor discrimination ability. Here, we comprehensively investigate the effect of mismatch location on TMSD kinetics by molecular dynamic simulation tool oxDNA through umbrella sampling and forward flux sampling disclosing that mismatches at the border of the toehold and branch migration domain yield the lowest TMSD reaction rate. Nine disease‐related SNVs (SARS‐CoV‐2‐D614G, EGFR‐L858R, EGFR‐T790M, KRAS‐G12R, etc.) were tested experimentally showing a good agreement with simulation. The best choice of mismatch location enables high discrimination factor with a median of 124 for SNV and wild type. Coupling with a probe‐sink system, a low variant allele frequency of 0.1% was detected with 3 S/N. We successfully used the probes to detect SNVs with high confidence in the PCR clones of constructed plasmids. This work provides mechanistic insights into TMSD process at the single‐nucleotide level and can be a guidance for the design of TMSD system with fine‐tuning kinetics for various applications in biosensors and nanotechnology.
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Affiliation(s)
- Linghao Zhang
- College of Life Science and TechnologyBeijing University of Chemical TechnologyBeijingChina
| | - Jing Chen
- College of Life Science and TechnologyBeijing University of Chemical TechnologyBeijingChina
| | - Mengya He
- College of Life Science and TechnologyBeijing University of Chemical TechnologyBeijingChina
| | - Xin Su
- College of Life Science and TechnologyBeijing University of Chemical TechnologyBeijingChina
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Uno H, Takeuchi H, Yoshino T, Tadenuma T, Hirakawa Y, Maeda Y, Taguchi T, Matsunaga T, Tanaka T. Signaling probe design for amplification-free detection of bacterial genes using DNA microarray. J Biosci Bioeng 2021; 133:133-139. [PMID: 34838451 DOI: 10.1016/j.jbiosc.2021.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 10/04/2021] [Accepted: 10/28/2021] [Indexed: 10/19/2022]
Abstract
DNA microarrays are useful to detect microorganisms for various purposes including clinical testing and food safety. However, conventional DNA microarrays need complicated operations such as amplification, fluorescence labeling, and washing steps. To address this issue, we previously developed the signaling probe-based DNA microarray system that can eliminate these steps, and demonstrated a direct detection of bacterial genes. Nonetheless, this system requires well-designed probe sets due to the fluorescence resonance energy transfer (FRET)-based mode of action. Up to date, the probe design was highly dependent on the trial-and-error processes. In this study, we propose a strategy to rationally design the sequences of signaling probes based on the thermodynamic analysis. This analysis aided to improve the probe performance approximately 2.8 times, without experiments, by suppressing the secondary structure formation of the probes. We successfully demonstrated the specific and amplification-free detection of 5S rRNA from total RNA extracted from Escherichia coli within 30 min.
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Affiliation(s)
- Haruka Uno
- Division of Biotechnology and Life Science, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Hiyori Takeuchi
- Division of Biotechnology and Life Science, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Tomoko Yoshino
- Division of Biotechnology and Life Science, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Takashi Tadenuma
- Yokogawa Electric Corporation, 2-9-32 Naka-cho, Musashino-shi, Tokyo 180-8750, Japan
| | - Yuko Hirakawa
- Division of Biotechnology and Life Science, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan; Yokogawa Electric Corporation, 2-9-32 Naka-cho, Musashino-shi, Tokyo 180-8750, Japan
| | - Yoshiaki Maeda
- Division of Biotechnology and Life Science, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Tomoyuki Taguchi
- Yokogawa Electric Corporation, 2-9-32 Naka-cho, Musashino-shi, Tokyo 180-8750, Japan
| | - Tadashi Matsunaga
- Division of Biotechnology and Life Science, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan; Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan
| | - Tsuyoshi Tanaka
- Division of Biotechnology and Life Science, Institute of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan.
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