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学者姓名：林子俺
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Abstract ：
随着工业的发展,重金属及放射性物质的污染加剧,同时对稀有金属的需求上升,因此对金属进行分离富集非常必要.共价有机框架材料(COFs)具有比表面积大、孔隙率高、结晶度高和孔径可调等特点,在金属分离富集领域展现出巨大潜力.通过结合特定官能团,能够提高COFs对某些金属离子的选择性,COFs材料稳定的共价键连接方式也增强了其在恶劣环境中的稳定性.鉴于此,该文对近年来COFs在金属分离富集中的应用进行了综述,重点对COFs的不同连接方式,及其在贵金属、重金属、稀土元素和放射性元素中的分离富集以及吸附机理进行介绍.最后对COFs在金属分离富集中存在的挑战进行分析,并对未来的研究趋势进行了展望.
Keyword ：
共价有机框架 共价有机框架 分离 分离 富集 富集 金属 金属
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| GB/T 7714 | 李松涛 , 董少锋 , 林月琳 et al. 共价有机框架材料在金属分离富集中的应用 [J]. | 分析测试学报 , 2025 , 44 (1) : 51-60 . |
| MLA | 李松涛 et al. "共价有机框架材料在金属分离富集中的应用" . | 分析测试学报 44 . 1 (2025) : 51-60 . |
| APA | 李松涛 , 董少锋 , 林月琳 , 孙颖 , 林子俺 . 共价有机框架材料在金属分离富集中的应用 . | 分析测试学报 , 2025 , 44 (1) , 51-60 . |
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The discharge of oily wastewater poses a serious threat to human health and the ecological environment. The development of effective oil-water separation techniques is critical to addressing this issue. Herein, a side-chain engineering strategy was proposed to construct nanoscale covalent organic frameworks (COFs) decorated stainless steel nets (SSN) with tunable wettability (SSN@COFs-C) via the introduction of three distinct lengths of alkyl chains. The nanoscale COFs particles were uniformly distributed on the SSN substrate, resulting in a hierarchical surface structure that significantly enhanced the material's hydrophobicity. Unlike conventional approaches, COFs provide a robust and tunable platform to address challenges in achieving durable superhydrophobic surfaces and overcome key development barriers such as stability and reusability. The SSN@COFs-C exhibited high hydrophobicity (water contact angle of 151.1-157.3 degrees) and self-cleaning properties. The optimal composite was capable of separating immiscible oil/water mixtures with a flux of 6079 L m-2 h-1 and exhibited an oil/water separation efficiency exceeding 99.0%. Moreover, it effectively separated surfactant-stabilized water-in-oil emulsions with a separation efficiency greater than 99% and retained their performance after multiple reused cycles. This work provides insight into the fabrication and application of nanoscale hydrophobic oil-water separation composites.
Keyword ：
adjustable hydrophobicity adjustable hydrophobicity covalent organic frameworks covalent organic frameworks emulsionseparation emulsionseparation oil/waterseparation oil/waterseparation side-chain engineering side-chain engineering stainless steel net stainless steel net
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| GB/T 7714 | Dong, Jinghan , Dong, Shaofeng , Ye, Zhi et al. Superhydrophobic Nanoporous Covalent Organic Frameworks Decorated on Stainless Steel Nets for Oil/Water Separation [J]. | ACS APPLIED NANO MATERIALS , 2025 , 8 (5) : 2299-2309 . |
| MLA | Dong, Jinghan et al. "Superhydrophobic Nanoporous Covalent Organic Frameworks Decorated on Stainless Steel Nets for Oil/Water Separation" . | ACS APPLIED NANO MATERIALS 8 . 5 (2025) : 2299-2309 . |
| APA | Dong, Jinghan , Dong, Shaofeng , Ye, Zhi , Li, Songtao , Lin, Zian . Superhydrophobic Nanoporous Covalent Organic Frameworks Decorated on Stainless Steel Nets for Oil/Water Separation . | ACS APPLIED NANO MATERIALS , 2025 , 8 (5) , 2299-2309 . |
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Benzophenone derivatives (BPs), as synthetic chemicals widely used in personal care products, have drawn increasing attention due to their potential health risks. However, monitoring BPs in biological samples remains challenging due to their complex matrices and the deficiency in sensitivity and selectivity in current methods. Herein, a method combining hierarchically flower-like hollow covalent organic frameworks (HFH-COFs) with high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) was established for the enrichment and detection of BPs in serum samples. The HFH-COFs were synthesized at room temperature and employed as an adsorbent due to their advantageous properties. The as-prepared HFH-COFs exhibited high specific surface area (2286.53 m(2)/g), excellent chemical stability, and good thermal stability, making them ideal for efficient enrichment applications. Under optimized experimental conditions, five BPs were effectively enriched and quantified by HPLC-MS/MS in the range of 50.0-5000.0 ng/L with good linearity (r > 0.9992). The limit of detections was 0.5-10.0 ng/L. Furthermore, HFH-COFs showed high enrichment factors even over multiple adsorption-desorption cycles. This study proposed a reliable and efficient method for monitoring endocrine-disrupting compounds in complex biological samples and highlighted the potential of HFH-COFs as a superior adsorbent material for BP.
Keyword ：
Benzophenone derivatives Benzophenone derivatives Hollow flower-like covalent organic frame works Hollow flower-like covalent organic frame works Mouse serum Mouse serum
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| GB/T 7714 | Yang, Ziyi , Yu, Qing , Wu, Yijing et al. Facile synthesis of hierarchically flower-like hollow covalent organic frameworks for enrichment and metabolic analysis of benzophenone derivatives in mouse serum [J]. | JOURNAL OF CHROMATOGRAPHY A , 2025 , 1743 . |
| MLA | Yang, Ziyi et al. "Facile synthesis of hierarchically flower-like hollow covalent organic frameworks for enrichment and metabolic analysis of benzophenone derivatives in mouse serum" . | JOURNAL OF CHROMATOGRAPHY A 1743 (2025) . |
| APA | Yang, Ziyi , Yu, Qing , Wu, Yijing , Yuan, Jiahao , Dong, Shaofeng , Li, Songtao et al. Facile synthesis of hierarchically flower-like hollow covalent organic frameworks for enrichment and metabolic analysis of benzophenone derivatives in mouse serum . | JOURNAL OF CHROMATOGRAPHY A , 2025 , 1743 . |
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Immobilization of fragile enzymes is vital to expanding its application in the extracellular environment. Covalent organic frameworks (COFs), as a class of emerging porous materials, are promising platforms for enzyme immobilization owing to their high porosity and tunable structure. However, the interior pores of COFs often fail to play their roles because of inaccessibility, resulting in decreased performance of immobilized enzymes. Here, we introduce a facile approach to construct hierarchically macro-mesoporous COF (Hm-COF) via a templateassistant strategy. The mesoporous channels of Hm-COF were used to entrap cytochrome c (Cyt c), and the macropores of Hm-COF were adopted as diffusion channels to enhance the mass transfer of guest molecules. The resulting Hm-COF demonstrated an enhanced uptake capacity of Cyt c compared with mesoporous COF (m-COF). Furthermore, the catalytic activity of Cyt c immobilized in Hm-COF (Cyt c@Hm-COF) was remarkably higher than that of Cyt c immobilized in m-COF (Cyt c@m-COF). Taking advantage of the excellent activity, Cyt c@HmCOF was employed as the sensor for the sensitive detection of dopamine (DA). This study opens a new avenue for the construction of COFs with hierarchical pores and high-performance immobilized enzymes.
Keyword ：
Biosensor Biosensor Covalent organic framework Covalent organic framework Enzyme immobilization Enzyme immobilization Hierarchical pore Hierarchical pore
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| GB/T 7714 | Zhong, Chao , Xue, Yuandi , Dong, Shaofeng et al. Construction of hierarchically porous covalent organic frameworks with enhanced enzyme accessibility for sensitive dopamine detection [J]. | TALANTA , 2025 , 287 . |
| MLA | Zhong, Chao et al. "Construction of hierarchically porous covalent organic frameworks with enhanced enzyme accessibility for sensitive dopamine detection" . | TALANTA 287 (2025) . |
| APA | Zhong, Chao , Xue, Yuandi , Dong, Shaofeng , Hu, Cong , Lin, Zian . Construction of hierarchically porous covalent organic frameworks with enhanced enzyme accessibility for sensitive dopamine detection . | TALANTA , 2025 , 287 . |
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Phenolic compounds are a kind of persistent organic pollutants (POPs), which are always a threat to human and environment due to their strong toxicity and low biodegradability. Therefore, developing a reliable method to simultaneously detect phenolic pollutants is of great importance to environmental safety and human health. Herein, we combined the advantages of metal organic frameworks (MOFs) and covalent organic frameworks (COFs) to prepare two cyclic trinuclear unit-based metal covalent organic framework (MCOFs, denoted as Cu3- TDH COF and Cu3-BDU COF) with large specific surface area, good stability and excellent laccase-like activity. Their oxidative degradation ability toward phenolic pollutants was verified, and a dual-channel nanozyme sensor array based on Cu3-TDH COF and Cu3-BDU COF was constructed for the identification of six phenolic pollutants. Notably, the sensor array can accurately distinguish between different concentrations of phenolic pollutants and different types of phenolic pollutants at the same concentration, even at levels as low as 1 mu M. Moreover, three real water samples (rainwater, tap water and wastewater) and 18 unknown samples were also distinguished and differentiated by the sensor array. This study opens up a potential avenue for the design of MCOFs-based nanozyme sensor arrays to simultaneously realize identification and detection of multiple phenolic pollutants.
Keyword ：
Catalytic oxidation Catalytic oxidation Laccase-like nanozymes Laccase-like nanozymes Metal covalent organic frameworks Metal covalent organic frameworks Phenolic pollutants Phenolic pollutants Sensor array Sensor array
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| GB/T 7714 | Liu, Jin , Hu, Cong , Meng, Xiaoyan et al. Metal covalent organic frameworks-based laccase-like nanozyme for oxidative degradation and identification of phenolic pollutants [J]. | JOURNAL OF HAZARDOUS MATERIALS , 2025 , 487 . |
| MLA | Liu, Jin et al. "Metal covalent organic frameworks-based laccase-like nanozyme for oxidative degradation and identification of phenolic pollutants" . | JOURNAL OF HAZARDOUS MATERIALS 487 (2025) . |
| APA | Liu, Jin , Hu, Cong , Meng, Xiaoyan , Sun, Ying , Zhao, Bo , Lin, Zian . Metal covalent organic frameworks-based laccase-like nanozyme for oxidative degradation and identification of phenolic pollutants . | JOURNAL OF HAZARDOUS MATERIALS , 2025 , 487 . |
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Surface-assisted laser desorption/ionization mass spectrometry (SALDI-MS) has been regarded as one of the prominent techniques in small molecule analysis, which employs nanostructured materials as substrates to replace conventional organic matrices for laser absorption and analyte desorption/ionization. The rational design and development of nanostructured substrates, particularly metal-organic frameworks (MOFs) and covalent-organic frameworks (COFs), are crucial for enhancing SALDI-MS performance. This review aims to cover the latest developments (within 5 years) in nanostructured substrates in SALDI-MS, including carbon- and silicon-based materials, metals and their oxide materials, MOFs, COFs, and other materials. The key design parameters that affect the SALDI-MS efficiency of these nanomaterials in small molecule analysis, such as pore size, surface area, and functional groups, are also discussed. Furthermore, the applications of SALDI-MS in various fields are reviewed. Lastly, the challenges and prospects for future research on the design of nano- structured substrates for SALDI-MS in small molecule analysis are discussed.
Keyword ：
Applications Applications mass spectrometry mass spectrometry Nanomaterials Nanomaterials Small molecule Small molecule Surface-assisted laser desorption/ionization Surface-assisted laser desorption/ionization
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| GB/T 7714 | Jin, Yingxue , Yan, Jingjing , Cai, Zongwei et al. Advances in nanomaterials for surface-assisted laser desorption ionization mass spectrometry: Applications in small molecule analysis over the past five years [J]. | TRAC-TRENDS IN ANALYTICAL CHEMISTRY , 2025 , 183 . |
| MLA | Jin, Yingxue et al. "Advances in nanomaterials for surface-assisted laser desorption ionization mass spectrometry: Applications in small molecule analysis over the past five years" . | TRAC-TRENDS IN ANALYTICAL CHEMISTRY 183 (2025) . |
| APA | Jin, Yingxue , Yan, Jingjing , Cai, Zongwei , Lin, Zian . Advances in nanomaterials for surface-assisted laser desorption ionization mass spectrometry: Applications in small molecule analysis over the past five years . | TRAC-TRENDS IN ANALYTICAL CHEMISTRY , 2025 , 183 . |
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Bile acids, a representative diagnostic indicator of liver function, are used to visualize the extent of liver injury. Numerous studies have shown that triclosan (TCS) exposure leads to abnormal bile acid metabolism. As a result, there is a requirement to develop a fast and smart means to quantitatively monitor abnormal bile acids from exposure to triclosan in bio-sample. In this work, solid-phase microextraction (SPME) probes of sea urchin-like covalent organic frameworks (COF) were in situ synthesized on steel needles by using 1,3,5-tris(4-aminophenyl) benzene (TAPB) and 2,5-dimethoxybenzene-1,4-dicarboxaldehyde (DMTP) as two organic units and employed for extraction of bile acids. This TAPB-DMTP-COF-SPME possessed an excellent specified surface area (3351 m(2) g(-1)) and a high regular porosity (similar to 3.6 nm), which was an ideal adsorbent to concentrate bile acids efficiently. The created probe, together with electrospray ionization mass spectrometry (ESI/MS), proved to be a fast and specific assay for the detection of bile acids in bio-samples. The proposed method had a low limitation of detection (0.03 mu g L-1), good linearity (R-2 >= 0.9931), wide linear range (0.10-1000.00 mu g L-1) and excellent enrichment factor (63.60-252.00). Based on these excellent properties, it was successful application for the analyzing of bile acids in mice liver and feces, demonstrating the great potential of TAPB-DMTP-COF-SPME-ESI/MS in bile acids detection and liver injury diagnosis.
Keyword ：
Bile acids Bile acids Covalent organic frameworks Covalent organic frameworks Electrospray ionization mass spectrometry Electrospray ionization mass spectrometry Solid-phase microextraction Solid-phase microextraction Triclosan exposure Triclosan exposure
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| GB/T 7714 | Shi, Xinye , Xue, Yuandi , Tu, Yuxin et al. Covalent organic framework-based solid phase microextraction coupled with electrospray ionization mass spectrometry for the quantitative assessment of abnormal bile acids by triclosan exposure in mice [J]. | TALANTA , 2025 , 285 . |
| MLA | Shi, Xinye et al. "Covalent organic framework-based solid phase microextraction coupled with electrospray ionization mass spectrometry for the quantitative assessment of abnormal bile acids by triclosan exposure in mice" . | TALANTA 285 (2025) . |
| APA | Shi, Xinye , Xue, Yuandi , Tu, Yuxin , Chen, Canrong , Zhang, Yajing , Lin, Zian et al. Covalent organic framework-based solid phase microextraction coupled with electrospray ionization mass spectrometry for the quantitative assessment of abnormal bile acids by triclosan exposure in mice . | TALANTA , 2025 , 285 . |
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Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) holds great promise for the rapid and sensitive detection of biomolecules, but its precise detection of small molecule metabolites is hindered by severe background interference from the organic matrix in the low molecular weight range. To address this issue, nanomaterials have commonly been utilized as substrates in LDI-MS. Among them, covalent organic frameworks (COFs), known for their unique optical absorption and structural properties, have garnered significant attention. Despite these advantages, their low ionization efficiency remains a challenge. Herein, a composite material of COF-S@Au nanoparticles (NPs), by incorporating Au NPs into a sulfur-functionalized COF (COF-S) through postsynthetic modification, was designed and adopted as substrates. This hybrid material leverages the synergistic effects of COF-S and Au NPs to improve the desorption/ionization efficiency and minimize background interference. The COF-S@Au NPs demonstrated a 5-16-fold improvement in MS signals of small biomolecules along with a clean background and excellent resistance to salt and protein interference. Their corresponding limits of detection (LODs) were achieved at similar to pmol. Furthermore, the COF-S@Au NPs were applied to analyze metabolites in a triclosan (TCS)-exposed mouse model, successfully identifying 10 differential metabolites associated with TCS toxicity. This work provides a foundation for developing advanced LDI-MS materials for high-performance metabolic analysis and offers valuable insights into TCS metabolic toxicity with potential applications in environmental toxicology.
Keyword ：
gold-modified covalent organic frameworks gold-modified covalent organic frameworks LDI-MS LDI-MS metabolic analysis metabolic analysis smallmolecule smallmolecule triclosan exposure triclosan exposure
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| GB/T 7714 | Jin, Yingxue , Chen, Jiajing , Xie, Wen et al. Gold-Modified Covalent Organic Frameworks-Assisted Laser Desorption/Ionization Mass Spectrometry for Analysis of Metabolites Induced by Triclosan Exposure [J]. | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (4) : 7056-7065 . |
| MLA | Jin, Yingxue et al. "Gold-Modified Covalent Organic Frameworks-Assisted Laser Desorption/Ionization Mass Spectrometry for Analysis of Metabolites Induced by Triclosan Exposure" . | ACS APPLIED MATERIALS & INTERFACES 17 . 4 (2025) : 7056-7065 . |
| APA | Jin, Yingxue , Chen, Jiajing , Xie, Wen , Zhang, Jinni , Yan, Jingjing , Chen, Canrong et al. Gold-Modified Covalent Organic Frameworks-Assisted Laser Desorption/Ionization Mass Spectrometry for Analysis of Metabolites Induced by Triclosan Exposure . | ACS APPLIED MATERIALS & INTERFACES , 2025 , 17 (4) , 7056-7065 . |
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RationalPeople are widely exposed to parabens in their daily life, but parabens are endocrine disrupting chemicals that pose a threat to human health. Therefore, establishing a rapid screening method to enhance monitoring of parabens is necessary. Herein, a covalent organic framework (COF) nanofilm-assisted laser desorption ionization mass spectrometry (LDI-MS) method was established to screen parabens in personal care products (PCPs).MethodsTAPB-TFPB-COF nanofilm was synthesized on indium tin oxide (ITO) glass and used as LDI-MS substrates. To observe the practicability of TAPB-TFPB-COF nanofilm-assisted LDI-MS, the results of this method for analyzing small molecules such as parabens, estrogens, and bisphenols were compared with those of the conventional organic matrix 9-aminoacridine (9-AA), and the reproducibility and detection limit were further verified. Finally, the method was applied to screen parabens in PCPs.ResultsTAPB-TFPB-COF nanofilm-assisted LDI-MS analyzed small molecules such as parabens, estrogens, and bisphenols with higher mass spectral signals and cleaner mass spectral backgrounds compared with 9-AA. Meanwhile, the method analyzed methylparaben (MeP) with high reproducibility (RSD = 6.96%) and low detection limit (1.64 mu M) and performed well for rapid screening of parabens in PCPs.ConclusionTAPB-TFPB-COF nanofilm-assisted LDI-MS for analyzing small molecules such as parabens, estrogens, and amino acids offered the advantages of rapid analysis, a clean background, and good reproducibility. The method was successfully applied to detecting parabens in PCPs, demonstrating the practical utility of LDI-MS based on TAPB-TFPB-COF nanofilm for analyzing parabens in complex samples.
Keyword ：
covalent organic framework nanofilms covalent organic framework nanofilms endocrine disrupting chemicals endocrine disrupting chemicals laser desorption ionization mass spectrometry laser desorption ionization mass spectrometry parabens parabens personal care products personal care products
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| GB/T 7714 | Zheng, Wenjun , Yan, Jingjing , Jin, Yingxue et al. Covalent Organic Framework Nanofilm-Assisted Laser Desorption Ionization Mass Spectrometry for Rapid Screening of Parabens in Personal Care Products [J]. | RAPID COMMUNICATIONS IN MASS SPECTROMETRY , 2025 , 39 (7) . |
| MLA | Zheng, Wenjun et al. "Covalent Organic Framework Nanofilm-Assisted Laser Desorption Ionization Mass Spectrometry for Rapid Screening of Parabens in Personal Care Products" . | RAPID COMMUNICATIONS IN MASS SPECTROMETRY 39 . 7 (2025) . |
| APA | Zheng, Wenjun , Yan, Jingjing , Jin, Yingxue , Lin, Zian , Cai, Zongwei . Covalent Organic Framework Nanofilm-Assisted Laser Desorption Ionization Mass Spectrometry for Rapid Screening of Parabens in Personal Care Products . | RAPID COMMUNICATIONS IN MASS SPECTROMETRY , 2025 , 39 (7) . |
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Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) has become a robust tool for analyzing a variety of biomacromolecules. However, the strong background interference produced by conventional organic matrices hinders the detection of small molecule analytes, which restricts the widespread application of MALDI-MS in metabolomics studies. Consequently, developing new organic matrices is urgently needed to overcome these issues. In this study, 1,4-Dioxo-1,2,3,4-tetrahydrophthalazine-6-carboxylic acid (DTCA) was firstly employed as a new matrix for MALDI-MS to enhance the detection of low molecular weight compounds because of its strong UV absorption, less matrix background interference, high ionization efficiency for metabolites, and good reproducibility. Considering these advantages, DTCA was used to analyze endogenous metabolites in the serum samples of imidacloprid (IMI)-exposed mice via MALDI-MS in positive ion mode. By combining with machine learning, the differentiation between imidacloprid-exposed mice and control mice was successfully achieved, and 39 metabolites were estimated as potential biomarkers. Additionally, potentially disrupted metabolic pathways were revealed. These results indicate that DTCA, as a new and powerful matrix in positive ion mode, has great potential for applications in the detection of small molecules.
Keyword ：
1, 4-Dioxo-1, 2, 3, 4-tetrahydrophthalazine-6-carboxylic acid (DTCA) 1, 4-Dioxo-1, 2, 3, 4-tetrahydrophthalazine-6-carboxylic acid (DTCA) 4-tetrahydrophthalazine-6-carboxylic acid (DTCA) 4-tetrahydrophthalazine-6-carboxylic acid (DTCA) MALDI-MS MALDI-MS Metabolic analysis Metabolic analysis
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| GB/T 7714 | Yan, Jingjing , Xie, Wen , Jin, Yingxue et al. 1,4-Dioxo-1,2,3,4-tetrahydrophthalazine-6-carboxylic acid as a novel MALDI matrix for enhanced analysis of metabolites induced by imidacloprid exposure [J]. | TALANTA , 2025 , 286 . |
| MLA | Yan, Jingjing et al. "1,4-Dioxo-1,2,3,4-tetrahydrophthalazine-6-carboxylic acid as a novel MALDI matrix for enhanced analysis of metabolites induced by imidacloprid exposure" . | TALANTA 286 (2025) . |
| APA | Yan, Jingjing , Xie, Wen , Jin, Yingxue , Cai, Zongwei , Lin, Zian . 1,4-Dioxo-1,2,3,4-tetrahydrophthalazine-6-carboxylic acid as a novel MALDI matrix for enhanced analysis of metabolites induced by imidacloprid exposure . | TALANTA , 2025 , 286 . |
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