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Hou S, Liu Y, Chen T, Zhou D, Zhang M, Li Y, Bai Y, Zheng S, Yang S, Zhang G, Xu H. Tunable Fluorine-Functionalized Scholl-Coupled Microporous Polymer for the Selective Adsorption and Ultrasensitive Analysis of Environmental Liquid-Crystal Monomers. Anal Chem 2023. [PMID: 37433191 DOI: 10.1021/acs.analchem.3c00182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
Liquid-crystal monomers (LCMs), especially fluorinated biphenyls and analogues (FBAs), are identified to be an emerging generation of persistent organic pollutants. However, there is a dearth of information about their occurrence and distribution in environmental water and lacustrine soil samples. Herein, a series of fluorine-functionalized Scholl-coupled microporous polymers (FSMP-X, X = 1-3) were designed and synthesized for the highly efficient and selective enrichment of FABs. Their hydrophobicity, porosity, chemical stability, and adsorption performance (capacity, rate, and selectivity) were regulated preciously. The best-performing material (FSMP-2) was employed as the on-line fluorous solid-phase extraction (on-line FSPE) adsorbent owing to its high adsorption capacity (313.68 mg g-1), fast adsorption rate (1.05 g h-1), and specific selectivity for FBAs. Notably, an enrichment factor of up to 590.2 was obtained for FSMP-2, outperforming commercial C18 (12.6-fold). Also, the underlying adsorption mechanism was uncovered by density functional theory calculations and experiments. Based on this, a novel and automated on-line FSPE-high-performance liquid chromatography method was developed for ultrasensitive (detection limits: 0.0004-0.0150 ng mL-1) and low matrix effect (73.79-113.3%) determination of LCMs in lake water and lacustrine soils. This study offers new insight into the highly selective quantification of LCMs and the first evidence for their occurrence and distribution in these environmental samples.
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Affiliation(s)
- Shenghuai Hou
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Ying Liu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Tiantian Chen
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Dandan Zhou
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Manlin Zhang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Yan Li
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Yuxuan Bai
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Shuang Zheng
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Shu Yang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
| | - Ganbing Zhang
- College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China
| | - Hui Xu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, China
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Ocaña-Rios I, Thapa B, Anderson JL. Multi-residue method to determine selected personal care products from five classes in fish based on miniaturized matrix solid-phase dispersion and solid-phase microextraction coupled to gas chromatography-mass spectrometry. Food Chem 2023; 423:136247. [PMID: 37178601 DOI: 10.1016/j.foodchem.2023.136247] [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: 01/08/2023] [Revised: 04/05/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
A method featuring matrix solid-phase dispersion combined with solid-phase microextraction coupled to gas chromatography-mass spectrometry was developed to determine parabens, musks, antimicrobials, UV filters, and an insect repellent in fish. Optimization and validation of the method was carried out on tilapia and salmon samples. Acceptable linearity (R2 > 0.97), precision (relative standard deviations < 13 %) and accuracy (recovery > 80 %) at two concentration levels for all analytes were obtained using both matrices. The limits of detection ranged from 0.01 to 1.01 μg g-1 (wet weight) for all analytes except for methyl paraben. The SPME Arrow format was applied to increase the sensitivity of the method, and yielded detection limits more than ten times lower than those achieved with traditional SPME. The miniaturized method can be applied to various fish species, regardless of their lipid content, and represents a useful tool for quality control and food safety purposes.
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Affiliation(s)
- Iran Ocaña-Rios
- Department of Chemistry, Iowa State University, Ames, IA 50011, USA
| | - Bhawana Thapa
- Department of Chemistry, Iowa State University, Ames, IA 50011, USA
| | - Jared L Anderson
- Department of Chemistry, Iowa State University, Ames, IA 50011, USA.
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Dias IM, Mourão LC, Andrade LA, Souza GBM, Viana JCV, Oliveira SB, Alonso CG. Degradation of antibiotic amoxicillin from pharmaceutical industry wastewater into a continuous flow reactor using supercritical water gasification. WATER RESEARCH 2023; 234:119826. [PMID: 36881954 DOI: 10.1016/j.watres.2023.119826] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/21/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
In recent years the concern with emerging pollutants in water has become more prominent, especially pharmaceutical residues, such as antibiotics due to the influence to increase antibacterial resistance. Further, conventional wastewater treatment methods have not demonstrated efficiency for the complete degradation of these compounds, or they have limitations to treat a large volume of waste. In this sense, this study aims to investigate the degradation of amoxicillin, one of the most prescribed antibiotics, in wastewater via supercritical water gasification (SCWG) using a continuous flow reactor. For this purpose, the process operating conditions of temperature, feed flow rate, and concentration of H2O2 was evaluated using Experimental Design and Response Surface Methodology techniques and optimized by Differential Evolution methodology. Total organic carbon (TOC) removal, chemical oxygen demand (COD) degradability, reaction time, amoxicillin degradation rate, toxicity of degradation by-products, and gaseous products were evaluated. The use of SCWG for treatment achieved 78.4% of the TOC removal for the industrial wastewater. In the gaseous products, hydrogen was the majority component. Furthermore, high-performance liquid chromatography analyses demonstrated that the antibiotic amoxicillin was degraded. For a mass flow rate of 15 mg/min of amoxicillin fed into the reaction system, 14.4 mg/min was degraded. Toxicity tests with microcrustacean Artemia salina showed slight toxicity to treated wastewater. Despite that, the outcomes reveal the SCWG has great potential to degrade amoxicillin and may be applied to treat several pharmaceutical pollutants. Aside from this, carbon-rich effluents may lead to a significant energy gaseous product, especially, hydrogen and syngas.
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Affiliation(s)
- Isabela M Dias
- Universidade Federal de Goias (UFG), Instituto de Química, Av. Esperança s/n, Campus Samambaia, Goiania, Goias CEP 74690-900, Brazil
| | - Lucas C Mourão
- Universidade Federal de Goias (UFG), Instituto de Química, Av. Esperança s/n, Campus Samambaia, Goiania, Goias CEP 74690-900, Brazil
| | - Laiane A Andrade
- Universidade Federal do Mato Grosso do Sul (UFMS), Av. Rosilene Lima Oliveira, 64, Jardim Universitário, Nova Andradina, Mato Grosso do Sul CEP 79750-000, Brazil
| | - Guilherme B M Souza
- Universidade Federal de Goias (UFG), Instituto de Química, Av. Esperança s/n, Campus Samambaia, Goiania, Goias CEP 74690-900, Brazil
| | - Júlio C V Viana
- Universidade Federal de Goias (UFG), Instituto de Química, Av. Esperança s/n, Campus Samambaia, Goiania, Goias CEP 74690-900, Brazil; Universidade Federal do Tocantins (UFT), Chácara 69-72 Rua Badejos, Lote 7s/n Câmpus Jardim Sevilha, Gurupi, Tocantins CEP 77410-530, Brazil
| | - Sergio B Oliveira
- Instituto Federal de Goiás (IFG), Rua 75 no. 46, Goiânia, Goias CEP 74055-110, Brazil
| | - Christian G Alonso
- Universidade Federal de Goias (UFG), Instituto de Química, Av. Esperança s/n, Campus Samambaia, Goiania, Goias CEP 74690-900, Brazil.
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Yang Z, Chen Y, Jia J, Hou C, Xuan R, Wang T. C18-modified halloysite as a novel sorbent in matrix solid-phase dispersion for the extraction of bisphenol A and diethylstilbestrol from human placenta. Anal Bioanal Chem 2022; 414:4897-4907. [PMID: 35595839 DOI: 10.1007/s00216-022-04114-3] [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: 03/12/2022] [Revised: 04/22/2022] [Accepted: 05/02/2022] [Indexed: 11/01/2022]
Abstract
In the current study, the C18-modified halloysite was fabricated via silylation reaction and subsequently used as sorbent in matrix solid-phase dispersion (MSPD) for the extraction of bisphenol A and diethylstilbestrol from human placenta, followed by high-performance liquid chromatography-tandem mass spectrometry analysis. The as-prepared sorbent was characterized by scanning electron microscopy, energy-dispersive spectrometry, Fourier transform infrared spectroscopy, X-ray diffraction, and thermo-gravimetric analysis. Varied parameters such as methanol concentration in wash solvent, pH and salt concentration in elution solvent, elution volume, and mass ratio of sample to sorbent were optimized. The adsorption capacities of bisphenol A and diethylstilbestrol on the developed C18-modified halloysite were 6.3 and 14.2 mg g-1, respectively, higher than those on the commercial C18 silica gel. Under the optimal condition, the average recoveries of bisphenol A and diethylstilbestrol by MSPD varied from 91.0 to 106.0%, and the relative standard deviations were less than 10.6% for human placenta samples. The limits of detection in the human placenta were 0.2 μg kg-1 for bisphenol A and diethylstilbestrol. The simple C18-modified halloysite-based MSPD method holds great potential for the determination of trace bisphenol A and diethylstilbestrol in the human placenta and other tissues of pregnant women with high sensitivity, accuracy, and reliability.
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Affiliation(s)
- Zhenglun Yang
- The Affiliated Hospital of Medical School of Ningbo University, Ningbo, 315020, People's Republic of China
| | - Yihui Chen
- Ningbo Academy of Inspection and Quarantine, Ningbo, Zhejiang, 315012, People's Republic of China.
| | - Jianggang Jia
- Ningbo Academy of Inspection and Quarantine, Ningbo, Zhejiang, 315012, People's Republic of China
| | - Chunyan Hou
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, 20057, USA
| | - Rongrong Xuan
- The Affiliated Hospital of Medical School of Ningbo University, Ningbo, 315020, People's Republic of China.
| | - Tingting Wang
- School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo, 315211, Zhejiang, China.
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