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Das D, Bhan C, Mukherjee C, Golder AK. Improved selectivity of electrochemical aniline sensing using one-dimensional silver nanorods with high aspect ratio synthesized by ascorbic acid assisted method. Anal Chim Acta 2024; 1310:342697. [PMID: 38811140 DOI: 10.1016/j.aca.2024.342697] [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: 01/15/2024] [Revised: 04/24/2024] [Accepted: 05/06/2024] [Indexed: 05/31/2024]
Abstract
BACKGROUND Aniline serves as a pivotal precursor in many industries such as pesticides, pharmaceuticals, and chemicals. However, its ingestion can lead to severe health consequences, including the potential to induce cancer, respiratory tract irritation, and adverse effects on the nervous and digestive systems in the human body. The widespread use of aniline in industrial processes, coupled with inadequate wastewater management that allows for the direct release of aniline into the environment, leads to surface and groundwater contamination. Therefore, it becomes crucial to devise a reliable electrochemical sensor capable of detecting even trace amounts of aniline. RESULTS This study presents a modified polyol synthesis method for producing silver nanorods (AgNRs, length: 861-1345 nm, diameter: 66-107 nm) with preferential growth along the (111) crystal plane. Immobilizing AgNRs on a glassy carbon (GC) electrode with Nafion as a binder decreases its charge transfer resistance from 3040 to 129 kΩ and increases its electroactive area from 0.034 to 0.101 cm2. AgNRs/GC electrode exhibited an aniline detection limit of 0.032 μM and sensitivity of 1.4841 μA.M-1cm-2 within a linear range of 0-10 μM using square wave voltammetry (SWV). The reaction rate constant of aniline sensing was determined to be 0.08697 s-1. Chlorobenzene, acephate, and chlorpyrifos could not interfere aniline detection, and 26 % decrease in peak response was observed after the 10th cycle of aniline sensing. The sensor demonstrated ∼100 % recovery for aniline, comparable to the performance of high-performance liquid chromatography when applied to real-world samples like tap and river water. SIGNIFICANCE The electrochemical sensing of aniline is notably efficient in tap and river water within the acceptable limit, by utilizing one dimensional AgNRs functionalized GC electrode. Importantly, the presence of interferents does not compromise the sensitivity of the sensor. Therefore, one dimensional AgNRs synthesized via a modified polyol route emerge as a promising electrocatalyst for the in-situ detection and determination of aniline.
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Affiliation(s)
- Daisy Das
- Centre for the Environment, Indian Institute of Technology Guwahati, Assam, 781039, India
| | - Chandra Bhan
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Assam, 781039, India
| | - Chandan Mukherjee
- Centre for the Environment, Indian Institute of Technology Guwahati, Assam, 781039, India; Department of Chemistry, Indian Institute of Technology Guwahati, Assam, 781039, India
| | - Animes Kumar Golder
- Centre for the Environment, Indian Institute of Technology Guwahati, Assam, 781039, India; Department of Chemical Engineering, Indian Institute of Technology Guwahati, Assam, 781039, India.
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Li W, Zhang J, Fan L, Zhao Y, Sun C, Li W, Chang Z. Construction of a novel Eu-MOF material based on different detection mechanisms and its application in sensing pollutants aniline, F - and Hg 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 314:124223. [PMID: 38574609 DOI: 10.1016/j.saa.2024.124223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 03/26/2024] [Accepted: 03/29/2024] [Indexed: 04/06/2024]
Abstract
Aniline is an organic pollutant with carcinogenicity and teratogenicity, while F- and Hg2+ are toxic ions that are easily soluble in water. When they are released to the environment, they will pose a threat to human health. Designing a material that can simultaneously detect three types of pollutants is of great significance. In this paper, a novel rare earth metal organic framework material (Eu-MOF) with three-dimensional structure based on 1-methylimidazole-4,5-dicarboxylic acid was synthesized for the first time through solvent thermal method. It has excellent luminescent performance and can be used as a multifunctional fluorescent probe to detect aniline, F-, and Hg2+ based on photoinduced electron transfer, energy competitive absorption, and ion exchange mechanisms, with detection limits of 1.79 × 10-8, 8.13 × 10-8, and 8.83 × 10-7 M, respectively. It is worth noting that Eu-MOF can detect F- and Hg2+ in real water samples, such as lake water and green tea water, with favorable recovery rates.
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Affiliation(s)
- Wenqing Li
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Jingyue Zhang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Linhan Fan
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Yun Zhao
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Changyan Sun
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
| | - Wenjun Li
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Zhidong Chang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
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Xi XJ, Li Y, Lang F, Pang J, Bu XH. Reticular synthesis of 8-connected carboxyl hydrogen-bonded organic frameworks for white-light-emission. Chem Sci 2024; 15:4529-4537. [PMID: 38516073 PMCID: PMC10952064 DOI: 10.1039/d3sc06410g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/18/2024] [Indexed: 03/23/2024] Open
Abstract
The rational design and construction of hydrogen-bonded organic frameworks (HOFs) are crucial for enabling their practical applications, but controlling their structure and preparation as intended remains challenging. Inspired by reticular chemistry, two novel blue-emitting NKM-HOF-1 and NKM-HOF-2 were successfully constructed based on two judiciously designed peripherally extended pentiptycene carboxylic acids, namely H8PEP-OBu and H8PEP-OMe, respectively. The large pores within these two HOFs can adsorb fluorescent molecules such as diketopyrrolopyrrole (DPP) and 9-anthraldehyde (AnC) to form HOFs ⊃ DPP/AnC composites, subsequently used in the fabrication of white-light-emitting devices (WLEDs). Specifically, two WLEDs were assembled by coating NKM-HOF-1 ⊃ DPP-0.13/AnC-3.5 and NKM-HOF-2 ⊃ DPP-0.12/AnC-3 on a 330 nm ultraviolet LED bulb, respectively. The corresponding CIE coordinates were (0.29, 0.33) and (0.32, 0.34), along with corresponding color temperatures of 7815 K and 6073 K. This work effectively demonstrates the feasibility of employing reticular chemistry strategies to predict and design HOFs with specific topologies for targeted applications.
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Affiliation(s)
- Xiao-Juan Xi
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 P. R. China
| | - Yang Li
- School of Materials Science and Engineering, Smart Sensing Interdisciplinary Science Center, TKL of Metal and Molecule-Based Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University Tianjin 300350 P. R. China
| | - Feifan Lang
- School of Materials Science and Engineering, Smart Sensing Interdisciplinary Science Center, TKL of Metal and Molecule-Based Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University Tianjin 300350 P. R. China
| | - Jiandong Pang
- School of Materials Science and Engineering, Smart Sensing Interdisciplinary Science Center, TKL of Metal and Molecule-Based Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University Tianjin 300350 P. R. China
| | - Xian-He Bu
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University Tianjin 300071 P. R. China
- School of Materials Science and Engineering, Smart Sensing Interdisciplinary Science Center, TKL of Metal and Molecule-Based Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University Tianjin 300350 P. R. China
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Al-Sharifi HKR, Deepthi A. Study on the mechanistic classes of fluorescence quenching of tryptanthrin-malononitrile adduct by aniline. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123261. [PMID: 37597355 DOI: 10.1016/j.saa.2023.123261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/08/2023] [Accepted: 08/12/2023] [Indexed: 08/21/2023]
Abstract
Mechanistic studies of the fluorescence quenching of 2-(2-chloro-12-oxoindolo[2,1-b]quinazolin-6(12H)-ylidene)malononitrile (2CTMA) with aniline, using solvent mixtures of acetonitrile and 1,4-dioxane at room temperature, by steady-state and time-resolved methods is reported here. It was confirmed that, with the use of the sphere of action static quenching model and finite sink approximation model, that the bimolecular quenching reactions are due to the presence of both dynamic and static quenching processes.
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Affiliation(s)
- Haitham K R Al-Sharifi
- Department of Chemistry, University of Kerala, Kariavattom, Trivandrum 695581, India; College of Food Sciences, Al-Qasim Green University, Babylon, Iraq
| | - Ani Deepthi
- Department of Chemistry, University of Kerala, Kariavattom, Trivandrum 695581, India.
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Xie Y, Ding X, Wang J, Ye G. Hydrogen-Bonding Assembly Meets Anion Coordination Chemistry: Framework Shaping and Polarity Tuning for Xenon/Krypton Separation. Angew Chem Int Ed Engl 2023; 62:e202313951. [PMID: 37877955 DOI: 10.1002/anie.202313951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 10/26/2023]
Abstract
Hybrid hydrogen-bonded (H-bonded) frameworks built from charged components or metallotectons offer diverse guest-framework interactions for target-specific separations. We present here a study to systematically explore the coordination chemistry of monovalent halide anions, i.e., F- , Cl- , Br- , and I- , with the aim to develop hybrid H-bond synthons that enable the controllable construction of microporous H-bonded frameworks exhibiting fine-tunable surface polarity within the adaptive cavities for realistic xenon/krypton (Xe/Kr) separation. The spherical halide anions, especially Cl- , Br- , and I- , are found to readily participate in the charge-assisted H-bonding assembly with well-defined coordination behaviors, resulting in robust frameworks bearing open halide anions within the distinctive 1D pore channels. The activated frameworks show preferential binding towards Xe (IAST Xe/Kr selectivity ca. 10.5) because of the enhanced polarizability and the pore confinement effect. Specifically, dynamic column Xe/Kr separation with a record-high separation factor (SF=7.0) among H-bonded frameworks was achieved, facilitating an efficient Xe/Kr separation in dilute, CO2 -containing gas streams exactly mimicking the off-gas of spent nuclear fuel (SNF) reprocessing.
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Affiliation(s)
- Yi Xie
- Collaborative Innovation Center of Advanced Nuclear Energy Technology, Institute of Nuclear and New Energy Technology, Tsinghua University, 100084, Beijing, China
| | - Xiaojun Ding
- Collaborative Innovation Center of Advanced Nuclear Energy Technology, Institute of Nuclear and New Energy Technology, Tsinghua University, 100084, Beijing, China
| | - Jianchen Wang
- Collaborative Innovation Center of Advanced Nuclear Energy Technology, Institute of Nuclear and New Energy Technology, Tsinghua University, 100084, Beijing, China
| | - Gang Ye
- Collaborative Innovation Center of Advanced Nuclear Energy Technology, Institute of Nuclear and New Energy Technology, Tsinghua University, 100084, Beijing, China
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O'Shaughnessy M, Padgham AC, Clowes R, Little MA, Brand MC, Qu H, Slater AG, Cooper AI. Controlling the Crystallisation and Hydration State of Crystalline Porous Organic Salts. Chemistry 2023; 29:e202302420. [PMID: 37615406 PMCID: PMC10946969 DOI: 10.1002/chem.202302420] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 08/25/2023]
Abstract
Crystalline porous organic salts (CPOS) are a subclass of molecular crystals. The low solubility of CPOS and their building blocks limits the choice of crystallisation solvents to water or polar alcohols, hindering the isolation, scale-up, and scope of the porous material. In this work, high throughput screening was used to expand the solvent scope, resulting in the identification of a new porous salt, CPOS-7, formed from tetrakis(4-sulfophenyl)methane (TSPM) and tetrakis(4-aminophenyl)methane (TAPM). CPOS-7 does not form with standard solvents for CPOS, rather a hydrated phase (Hydrate2920) previously reported is isolated. Initial attempts to translate the crystallisation to batch led to challenges with loss of crystallinity and Hydrate2920 forming favorably in the presence of excess water. Using acetic acid as a dehydrating agent hindered formation of Hydrate2920 and furthermore allowed for direct conversion to CPOS-7. To allow for direct formation of CPOS-7 in high crystallinity flow chemistry was used for the first time to circumvent the issues found in batch. CPOS-7 and Hydrate2920 were shown to have promise for water and CO2 capture, with CPOS-7 having a CO2 uptake of 4.3 mmol/g at 195 K, making it one of the most porous CPOS reported to date.
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Affiliation(s)
- Megan O'Shaughnessy
- Materials Innovation Factory and Department of ChemistryUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
- Leverhulme Research Centre for Functional Materials DesignUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
| | - Alex C. Padgham
- Materials Innovation Factory and Department of ChemistryUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
| | - Rob Clowes
- Materials Innovation Factory and Department of ChemistryUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
| | - Marc A. Little
- Materials Innovation Factory and Department of ChemistryUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
| | - Michael C. Brand
- Materials Innovation Factory and Department of ChemistryUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
- Leverhulme Research Centre for Functional Materials DesignUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
| | - Hang Qu
- Materials Innovation Factory and Department of ChemistryUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
| | - Anna G. Slater
- Materials Innovation Factory and Department of ChemistryUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
| | - Andrew I. Cooper
- Materials Innovation Factory and Department of ChemistryUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
- Leverhulme Research Centre for Functional Materials DesignUniversity of Liverpool51 Oxford StreetLiverpoolL7 3NYUK
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Application of Hydrogen-Bonded Organic Frameworks in Environmental Remediation: Recent Advances and Future Trends. SEPARATIONS 2023. [DOI: 10.3390/separations10030196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
Abstract
The hydrogen-bonded organic frameworks (HOFs) are a class of porous materials with crystalline frame structures, which are self-assembled from organic structures by hydrogen bonding in non-covalent bonds π-π packing and van der Waals force interaction. HOFs are widely used in environmental remediation due to their high specific surface area, ordered pore structure, pore modifiability, and post-synthesis adjustability of various physical and chemical forms. This work summarizes some rules for constructing stable HOFs and the synthesis of HOF-based materials (synthesis of HOFs, metallized HOFs, and HOF-derived materials). In addition, the applications of HOF-based materials in the field of environmental remediation are introduced, including adsorption and separation (NH3, CO2/CH4 and CO2/N2, C2H2/C2He and CeH6, C2H2/CO2, Xe/Kr, etc.), heavy metal and radioactive metal adsorption, organic dye and pesticide adsorption, energy conversion (producing H2 and CO2 reduced to CO), organic dye degradation and pollutant sensing (metal ion, aniline, antibiotic, explosive steam, etc.). Finally, the current challenges and further studies of HOFs (such as functional modification, molecular simulation, application extension as remediation of contaminated soil, and cost assessment) are discussed. It is hoped that this work will help develop widespread applications for HOFs in removing a variety of pollutants from the environment.
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Zhang Z, Ye Y, Xiang S, Chen B. Exploring Multifunctional Hydrogen-Bonded Organic Framework Materials. Acc Chem Res 2022; 55:3752-3766. [PMID: 36454588 DOI: 10.1021/acs.accounts.2c00686] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Hydrogen-bonded organic framework (HOF) materials have provided a new dimension and bright promise as a new platform for developing multifunctional materials. They can be readily self-assembled from their corresponding organic molecules with diverse functional sites such as carboxylic acid and amine groups for their hydrogen bonding and aromatic ones for their weak π···π interactions to stabilize the frameworks. Compared with those established porous materials such as zeolites, metal-organic frameworks (MOFs), and covalent-organic frameworks (COFs), it is much more difficult to stabilize HOFs and thus establish their permanent porosities given the fact that hydrogen bonds are typically weaker than ionic, coordination, and covalent bonds. But it provides the uniqueness of HOF materials in which they can be easily recovered and regenerated through simple recrystallization. HOF materials can also be easily and straightforwardly processed and very compatible with the biomolecules, making them potentially very useful materials for industrial and biomedical applications. The reversible and weak bonding nature of the hydrogen bonds can be readily utilized to construct flexible porous HOF materials in which we can tune the temperature and pressure to control their porosities and, thus, their diverse applications, for example, on gas separations, gas storage, drug delivery, and sensing. Some specific organic functional groups are quite directional for the hydrogen bond formations; for example, carboxylic acid prefers to form a directional dimer, which has enabled us to readily construct reticular porous HOF materials whose pores can be systematically tuned. In this Account, we outline our journey of exploring this new type of porous material by establishing one of the first porous HOFs in 2011 and thus developing its diverse applications. We have been able to use organic molecules with different functional sites, including 2,4-diaminotriazine (DAT), carboxylic acid (COOH), aldehyde (CHO), and cyano (CN), to construct porous HOFs. Through tuning the pore sizes, introducing specific binding sites, and making use of the framework flexibility, we have realized a series of HOF materials for the gas separations of C2H2/C2H4, C2H4/C2H6, C3H6/C3H8, C2H2/CO2, CO2/N2, and Xe/Kr and enantioselective separation of alcohols. To make use of optically active organic molecules, we have developed HOF materials for their luminescent sensing and optical lasing. Our research endeavors on multifunctional HOF materials have initiated extensive research in this emerging research topic among chemistry and materials sciences communities. We foresee that not only many more HOF materials will be developed but novel functions will be fulfilled beyond our imaginations soon.
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Affiliation(s)
- Zhangjing Zhang
- Fujian Provincial Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou 350007, People's Republic of China
| | - Yingxiang Ye
- Fujian Provincial Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou 350007, People's Republic of China
| | - Shengchang Xiang
- Fujian Provincial Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Road, Fuzhou 350007, People's Republic of China
| | - Banglin Chen
- Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249-0698, United States
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A crystalline and stable microporous framework based on the dative B←N bonds. Chem 2022. [DOI: 10.1016/j.chempr.2022.10.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Liu Y, Xu X, Yan B. An anthracene-based Hydrogen-bonded Organic Framework as Bifunctional Fluorescent Sensor for the Detection of γ-Aminobutyric Acid and Nitrofurazone. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00542e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Intelligent fluorescence detection for disease diagnosis has become a research hotspot. In the era of big data, machine learning (ML) for analyzing data and mining will be widely used in...
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