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Martins GS, Rodrigues T, Lamarca RS, Ayala-Durán SC, da Silva BF, de Lima Gomes PCF. Continuous removal of caffeine in a horizontal-flow anaerobic immobilized biomass bioreactor: identification of transformation products. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:107759-107771. [PMID: 37740804 DOI: 10.1007/s11356-023-29875-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 09/10/2023] [Indexed: 09/25/2023]
Abstract
Anaerobic bioreactors are an efficient technology for the biodegradation of emerging contaminants in environmental matrices. In this work, a horizontal-flow anaerobic immobilized biomass (HAIB) bioreactor was used to remove caffeine (CAF), which is frequently found in various aqueous matrices. The acrylic bench top bioreactor, with dimensions of 100 × 5.00 cm, was operated with a hydraulic retention time (HRT) of 12 h, during 45 weeks, under mesophilic conditions. The operation was performed in 4 phases: without CAF addition (phase I); CAF spiked at 300 μg L-1 (phase II); CAF at 600 μg L-1 (phase III); and CAF at 900 μg L-1 (phase IV). Samples of bioreactor influent and effluent were analyzed by liquid chromatography/tandem mass spectrometry (LC-MS/MS). The bioreactor removed organic matter (OM) and CAF with efficiencies of 88 and 93%, respectively. The first-order apparent removal constant (Kapp) values for OM and CAF were 0.419 and 0.304 h-1, respectively. Five transformation products (TPs) were identified, with m/z 243, 227, 211, and 181 (two products). The HAIB bioreactor is a suitable system for the removal of CAF present in wastewater, even at a concentration level of µg L-1.
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Affiliation(s)
- Giovana Silva Martins
- Sao Paulo State University Julio de Mesquita Filho, Institute of Chemistry, Araraquara, Sao Paulo, Brazil
| | - Thaís Rodrigues
- Sao Paulo State University Julio de Mesquita Filho, Institute of Chemistry, Araraquara, Sao Paulo, Brazil
- Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, National Institute for Alternative Technologies of Detection, São Paulo State University (UNESP), Rua Prof. Francisco Degni 55, Araraquara, SP, 14800-060, Brazil
| | - Rafaela Silva Lamarca
- Sao Paulo State University Julio de Mesquita Filho, Institute of Chemistry, Araraquara, Sao Paulo, Brazil
- Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, National Institute for Alternative Technologies of Detection, São Paulo State University (UNESP), Rua Prof. Francisco Degni 55, Araraquara, SP, 14800-060, Brazil
| | - Saidy Cristina Ayala-Durán
- Sao Paulo State University Julio de Mesquita Filho, Institute of Chemistry, Araraquara, Sao Paulo, Brazil
- Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, National Institute for Alternative Technologies of Detection, São Paulo State University (UNESP), Rua Prof. Francisco Degni 55, Araraquara, SP, 14800-060, Brazil
| | | | - Paulo Clairmont Feitosa de Lima Gomes
- Sao Paulo State University Julio de Mesquita Filho, Institute of Chemistry, Araraquara, Sao Paulo, Brazil.
- Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, National Institute for Alternative Technologies of Detection, São Paulo State University (UNESP), Rua Prof. Francisco Degni 55, Araraquara, SP, 14800-060, Brazil.
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Ling J, Zhang W, Xiang P, Liao Y, Li J, Zhang Z, Ding Y. Trace detection of methcathinone in sewage using targeted extraction based on magnetic molecularly imprinted polymers coupled with liquid chromatography-tandem mass spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4777-4784. [PMID: 37698227 DOI: 10.1039/d3ay01224g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/13/2023]
Abstract
Methcathinone, a new psychoactive substance (NPS), poses a serious threat to public health. Therefore, there is an urgent need to develop a reliable, selective, sensitive and simple analytical technique for monitoring trace amounts of this target NPS in complex matrices. For this purpose, magnetic molecularly imprinted polymers (MMIPs) based on MIPs combined with nano-sized magnetic Fe3O4 were developed for the specific enrichment of methcathinone in wastewater. The binding properties and selectivity of MMIPs toward methcathinone were evaluated and compared with non-imprinted polymer (MNIPs). For sensitive and selective extraction and determination of the target methcathinone, magnetic solid-phase extraction (MSPE) based on MMIPs was combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS). Under optimized conditions, the proposed method was successfully used for the detection of methcathinone in wastewater, which provided a low limit of detection of 0.3 ng L-1 and a limit of quantification of 1.0 ng L-1 with relative standard deviations of less than 6.89% for intra- and inter-day analyses. Good linearity in the range of 1-2000 ng L-1 with a coefficient of determination (R2) greater than 0.98 was observed. Moreover, a certified reference material of water sample was successfully analyzed with satisfactory results and the recoveries of spike experiments ranged from 96.35-116.7%.
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Affiliation(s)
- Jiang Ling
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, 410013, Changsha, Hunan, China.
| | - Wenqi Zhang
- Hebei Province Public Security Department Criminal Police Corps, Shijiazhuang, Hebei, China
| | - Ping Xiang
- Shanghai Key Lab of Forensic Medicine, Key Lab of Forensic Science, Ministry of Justice, Shanghai, China
| | - Yingyuan Liao
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, 410013, Changsha, Hunan, China.
| | - Jiahao Li
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, 410013, Changsha, Hunan, China.
| | | | - Yanjun Ding
- Department of Forensic Science, School of Basic Medical Sciences, Central South University, 410013, Changsha, Hunan, China.
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Chen L, Yan X, Zhou X, Peng P, Sun Q, Zhao F. Advances in the on-line solid-phase extraction-liquid chromatography-mass spectrometry analysis of emerging organic contaminants. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.116976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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Vaudreuil MA, Vo Duy S, Munoz G, Sauvé S. Pharmaceutical pollution of hospital effluents and municipal wastewaters of Eastern Canada. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 846:157353. [PMID: 35842153 DOI: 10.1016/j.scitotenv.2022.157353] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 07/07/2022] [Accepted: 07/10/2022] [Indexed: 06/15/2023]
Abstract
Quantification of drugs residues in wastewaters of different sources could help better understand contamination pathways, eventually leading to effluent regulation. However, limited data are available for hospital-derived wastewaters. Here, an analytical method based on automated on-line solid-phase extraction liquid chromatography tandem mass spectrometry (on-line SPE - UPLC-MS/MS) was developed for the quantification of multi-class pharmaceuticals in wastewaters. Filtrate phase and suspended solids (SPM) were both considered to evaluate the distribution of targeted analytes. Experimental design optimization involved testing different chromatographic columns, on-line SPE columns, and loading conditions for the filtrate phase, and different organic solvents and cleanup strategies for suspended solids. The selected methods were validated with suitable limits of detection, recovery, accuracy, and precision. A total of 30 hospital effluents and 6 wastewater treatment plants were sampled to evaluate concentrations in real field-collected samples. Certain pharmaceuticals were quantified at high levels such as caffeine at 670,000 ng/L in hospital wastewaters and hydroxyibuprofen at 49,000 ng/L in WWTP influents. SPM samples also had high contaminant concentrations such as ibuprofen at 31,000 ng/g in hospital effluents, fluoxetine at 529 ng/g in WWTP influents or clarithromycin at 295 ng/g in WWTP effluents. Distribution coefficients (Kd) and particle-associated fractions (Φ) indicate that pharmaceuticals tend to have better affinity to suspended solids in hospital wastewater than in municipal wastewaters. The results also bring arguments for at source treatment of these specific effluents before their introduction into urban wastewater systems.
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Affiliation(s)
| | - Sung Vo Duy
- Department of Chemistry, Université de Montréal, Montréal, QC, Canada
| | - Gabriel Munoz
- Department of Chemistry, Université de Montréal, Montréal, QC, Canada
| | - Sébastien Sauvé
- Department of Chemistry, Université de Montréal, Montréal, QC, Canada.
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Badawy MEI, El-Nouby MAM, Kimani PK, Lim LW, Rabea EI. A review of the modern principles and applications of solid-phase extraction techniques in chromatographic analysis. ANAL SCI 2022; 38:1457-1487. [PMID: 36198988 PMCID: PMC9659506 DOI: 10.1007/s44211-022-00190-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 09/08/2022] [Indexed: 11/25/2022]
Abstract
Analytical processes involving sample preparation, separation, and quantifying analytes in complex mixtures are indispensable in modern-day analysis. Each step is crucial to enriching correct and informative results. Therefore, sample preparation is the critical factor that determines both the accuracy and the time consumption of a sample analysis process. Recently, several promising sample preparation approaches have been made available with environmentally friendly technologies with high performance. As a result of its many advantages, solid-phase extraction (SPE) is practiced in many different fields in addition to the traditional methods. The SPE is an alternative method to liquid–liquid extraction (LLE), which eliminates several disadvantages, including many organic solvents, a lengthy operation time and numerous steps, potential sources of error, and high costs. SPE advanced sorbent technology reorients with various functions depending on the structure of extraction sorbents, including reversed-phase, normal-phase, cation exchange, anion exchange, and mixed-mode. In addition, the commercial SPE systems are disposable. Still, with the continual developments, the restricted access materials (RAM) and molecular imprinted polymers (MIP) are fabricated to be active reusable extraction cartridges. This review will discuss all the theoretical and practical principles of the SPE techniques, focusing on packing materials, different forms, and performing factors in recent and future advances. The information about novel methodological and instrumental solutions in relation to different variants of SPE techniques, solid-phase microextraction (SPME), in-tube solid-phase microextraction (IT-SPME), and magnetic solid-phase extraction (MSPE) is presented. The integration of SPE with analytical chromatographic techniques such as LC and GC is also indicated. Furthermore, the applications of these techniques are discussed in detail along with their advantages in analyzing pharmaceuticals, biological samples, natural compounds, pesticides, and environmental pollutants, as well as foods and beverages.
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Affiliation(s)
- Mohamed E I Badawy
- Department of Pesticide Chemistry and Technology, Laboratory of Pesticide Residues Analysis, Faculty of Agriculture, Alexandria University, Aflatoun St., 21545-El-Shatby, Alexandria, Egypt.
| | - Mahmoud A M El-Nouby
- Department of Pesticide Chemistry and Technology, Laboratory of Pesticide Residues Analysis, Faculty of Agriculture, Alexandria University, Aflatoun St., 21545-El-Shatby, Alexandria, Egypt
- Department of Engineering, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Paul K Kimani
- Department of Engineering, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Lee W Lim
- International Joint Department of Materials Science and Engineering Between National University of Malaysia and Gifu University, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Entsar I Rabea
- Department of Plant Protection, Faculty of Agriculture, Damanhour University, Damanhour, 22516, Egypt
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Gomes WPC, Pires JA, Teixeira NN, Bortoleto GG, Gutierrez EMR, Melchert WR. Effects of green coffee bean flour fortification on the chemical and nutritional properties of gluten-free cake. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [PMCID: PMC9168635 DOI: 10.1007/s11694-022-01469-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The objective of this study was the application of green coffee bean flour in gluten-free cakes with different percentages (4, 8 and 15% (w/w)), to evaluate the optimal value for fortification, and the products were characterized based on their centesimal composition and bioactive compounds (caffeine and total phenolic compounds). Significant differences (p ≤ 0.05) were observed in the content of lipids, total dietary fiber, insoluble fiber, energy values, sodium, caffeine, and total phenolics, mainly in the product in which 15% (w/w) green coffee bean flour was added. Caffeine content was only detected and quantified in products with > 8% (w/w) green coffee bean flour, whereas the total phenolic content was detected and quantified in products with > 4% (w/w) green coffee bean flour. Thus, fortification of these products with 15% green coffee bean flour promoted a higher content of total dietary fiber and lower content of lipids, calories, sodium, and increased bioactive compounds. Thus, green coffee bean flour is an excellent alternative for the production of innovative foods.
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Affiliation(s)
- Winston Pinheiro Claro Gomes
- Center for Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário, 303, 13416-000 Piracicaba, SP Brazil
| | - Juliana Angelo Pires
- College of Agriculture “Luiz de Queiroz”, University of São Paulo, PO Box 9, 13418-970 Piracicaba, SP Brazil
| | - Natalia Navarro Teixeira
- Center for Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário, 303, 13416-000 Piracicaba, SP Brazil
| | - Gisele Gonçalves Bortoleto
- State Center of Technological Education “Paula Souza”/CEETEPS, Technology College of Piracicaba “Dep. Roque Trevisan”, 13414-141 Piracicaba, SP Brazil
| | - Erika Maria Roel Gutierrez
- State Center of Technological Education “Paula Souza”/CEETEPS, Technology College of Piracicaba “Dep. Roque Trevisan”, 13414-141 Piracicaba, SP Brazil
| | - Wanessa R. Melchert
- College of Agriculture “Luiz de Queiroz”, University of São Paulo, PO Box 9, 13418-970 Piracicaba, SP Brazil
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