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Gomes FBR, Fernandes PAA, Bottrel SEC, Brandt EMF, Pereira RDO. Fate, occurrence, and removal of estrogens in livestock wastewaters. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2022; 86:814-833. [PMID: 36038979 DOI: 10.2166/wst.2022.238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
During the last decades, livestock and animal feeding operations have been expanded. In parallel, these activities are among the major sources of estrogens in the environment. Thus, considering the environmental and health risks associated with estrogenic compounds, this work reviews the fate, occurrence, and removal of free and conjugated E1, E2, and E3 in livestock wastewaters. A systematic literature review was carried out, and after applying the eligibility criteria, 66 peer-reviewed papers were selected. Results suggest high estrogen concentrations and, consequently, high estrogenic activity, especially in samples from swine farming. E1 and E2 are frequently found in wastewaters from bovine, swine, and other livestock effluents. Aerobic treatment processes were more efficient for estrogen removal, whereas anaerobic systems seem poorly effective. Removal efficiencies of estrogens and estrogenic activity of up to 90% were reported for constructed wetlands, advanced pond systems, trickling filters, membrane bioreactors, aerated and nitrifying reactors, combined air flotation, and vegetable oil capture processes. High concentrations found in wastewaters from livestock allied to the removal efficiencies reported for anaerobic processes (usually used to treat livestock wastewaters) evidence the importance of monitoring these compounds in environmental matrices.
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Affiliation(s)
- Fernanda Bento Rosa Gomes
- Civil Engineering Graduate Program, Federal University of Juiz de Fora, Jose Lourenço Kelmer s/n, Campus UFJF, Juiz de Fora, Minas Gerais 36036-900, Brazil E-mail:
| | - Pedro Antônio Alves Fernandes
- Department of Sanitary and vpEnvironmental Engineering, Federal University of Juiz de Fora, Jose Lourenço Kelmer s/n, Campus UFJF, Juiz de Fora, Minas Gerais 36036-900, Brazil
| | - Sue Ellen Costa Bottrel
- Civil Engineering Graduate Program, Federal University of Juiz de Fora, Jose Lourenço Kelmer s/n, Campus UFJF, Juiz de Fora, Minas Gerais 36036-900, Brazil E-mail: ; Department of Sanitary and vpEnvironmental Engineering, Federal University of Juiz de Fora, Jose Lourenço Kelmer s/n, Campus UFJF, Juiz de Fora, Minas Gerais 36036-900, Brazil
| | - Emanuel Manfred Freire Brandt
- Civil Engineering Graduate Program, Federal University of Juiz de Fora, Jose Lourenço Kelmer s/n, Campus UFJF, Juiz de Fora, Minas Gerais 36036-900, Brazil E-mail:
| | - Renata de Oliveira Pereira
- Civil Engineering Graduate Program, Federal University of Juiz de Fora, Jose Lourenço Kelmer s/n, Campus UFJF, Juiz de Fora, Minas Gerais 36036-900, Brazil E-mail: ; Department of Sanitary and vpEnvironmental Engineering, Federal University of Juiz de Fora, Jose Lourenço Kelmer s/n, Campus UFJF, Juiz de Fora, Minas Gerais 36036-900, Brazil
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Cheng D, Ngo HH, Guo W, Chang SW, Nguyen DD, Liu Y, Wei Q, Wei D. A critical review on antibiotics and hormones in swine wastewater: Water pollution problems and control approaches. JOURNAL OF HAZARDOUS MATERIALS 2020; 387:121682. [PMID: 31744723 DOI: 10.1016/j.jhazmat.2019.121682] [Citation(s) in RCA: 159] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 11/11/2019] [Accepted: 11/11/2019] [Indexed: 05/06/2023]
Abstract
Swine wastewater (SW) is an important source of antibiotics and hormones (A&H) in the environment due to their large-scale application in swine industry. A&H in SW can be released into the water environment through the direct discharge of SW, effluent from SW treatment plants, and runoff and leaching from farmland polluted by swine wastes. The presence of A&H in the water environment has become an increasing global concern considering their adverse effects to the aquatic organism and human. This review critically discusses: (i) the occurrence of A&H in global water environment and their potential risks to water organisms and human; (ii) the management and technical approaches for reducing the emission of A&H in SW to the water environment. The development of antibiotic alternatives and the enhanced implementation of vaccination and biosecurity are promising management approaches to cut down the consumption of antibiotics during swine production. Through the comparison of different biological treatment technologies for removing A&H in SW, membrane-based bioprocesses have relatively higher and more stable removal efficiencies. Whereas, the combined system of bioprocesses and AOPs is expected to be a promising technology for elimination and mineralization of A&H in swine wastewater. Further study on this system is therefore necessary.
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Affiliation(s)
- Dongle Cheng
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS, 2007, Australia
| | - Huu Hao Ngo
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS, 2007, Australia; NTT Institute of Hi-Technology, Nguyen Tat Thanh University, Ho Chi Minh City, Viet Nam.
| | - Wenshan Guo
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS, 2007, Australia
| | - Soon Woong Chang
- Department of Environmental Energy Engineering, Kyonggi University, 442-760, Republic of Korea
| | - Dinh Duc Nguyen
- Department of Environmental Energy Engineering, Kyonggi University, 442-760, Republic of Korea; Institution of Research and Development, Duy Tan University, Da Nang, Viet Nam
| | - Yiwen Liu
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, NWS, 2007, Australia
| | - Qin Wei
- Key Laboratory of Chemical Sensing and Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Dong Wei
- School of Water Conservancy and Environment, University of Jinan, Jinan, 250022, PR China
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Pochiraju SS, Linden K, Gu AZ, Rosenblum J. Development of a separation framework for effects-based targeted and non-targeted toxicological screening of water and wastewater. WATER RESEARCH 2020; 170:115289. [PMID: 31785562 DOI: 10.1016/j.watres.2019.115289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 11/04/2019] [Accepted: 11/05/2019] [Indexed: 05/25/2023]
Abstract
An environmental water sample fractionation framework was developed based on effects-directed analysis (EDA) to detect known and unknown compounds of concern in different waters. Secondary effluent from a wastewater treatment plant was used to demonstrate the effectiveness of the developed framework for characterizing estrogenic compounds in the effluent. The effluent was spiked with known estrogenic compounds to validate the framework in a targeted approach and an unspiked sample was also investigated in a non-targeted approach. The framework separated compounds based on polarity and adsorption using liquid-liquid extraction followed by solid phase extraction. The targeted and non-targeted effluents generated six fractions each, which were assessed for estrogenic activity using an in vitro bioassay (yeast estrogen screen - YES). Three out of the six fractions in each case, along with the raw effluent, showed estrogen equivalent concentrations (EEQs) ranging between 1.0 and 3.0 μg/L. Directed by the assay results, these estrogenic fractions were further analyzed using liquid- and gas-chromatography coupled with mass spectrometry for compound identification. The developed separation framework coupled with a bioassay aided in identification of both known and unknown compounds producing estrogenic effects in the water sample. The approach of fractionation followed by concentration helped isolate and elevate contaminant levels without necessarily concentrating potential matrix effects that could cause interfering cytotoxicity and inhibition in the bioassay. The targeted analysis showed consistency between predicted and observed results, while the non-targeted analysis revealed the presence of three estrogenic compounds in the unspiked effluent: di-isobutyl phthalate, diethyl phthalate and benzophenone, that were confirmed with standards. The study mainly aimed at development and validation of a simple yet effective EDA framework with low cost techniques for water and wastewater toxicity screening and evaluation, and the results suggested that the developed framework could be used as a screening tool for isolating and identifying unknown compounds in a complex water sample.
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Affiliation(s)
- Susheera S Pochiraju
- Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO, 80309, USA
| | - Karl Linden
- Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO, 80309, USA
| | - April Z Gu
- Civil and Environmental Engineering, Cornell University, Ithaca, NY, 14850, USA
| | - James Rosenblum
- Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO, 80309, USA; Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO, 80401, USA.
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Ali AM, Nesse AS, Eich-Greatorex S, Sogn TA, Aanrud SG, Aasen Bunæs JA, Lyche JL, Kallenborn R. Organic contaminants of emerging concern in Norwegian digestates from biogas production. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2019; 21:1498-1508. [PMID: 31257390 DOI: 10.1039/c9em00175a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The aim of this study was to analyze a variety of environmental organic contaminants of emerging concern (CEC) and their metabolites in representative digestate samples from Norwegian biogas production plants. Biogas digestates can be a valuable source for soil amendments and/or fertilizers in commercial agriculture. It is important to assess whether the digestates contain harmful contaminants in order to avoid unintended exposure of human consumers. In total 19 biogas digestates from 12 biogas production plants in Norway were collected and analyzed. Furthermore, process related parameters such as pretreatment of substrates, additives, flocculation and temperature conditions were considered for interpretation of the results. The CEC levels found in the digestates were shown to be dependent on the original composition of the substrate, dry-matter content, and conditioning of the substrate. The sunscreen octocrylene (147 μg L-1) and acetaminophen (paracetamol; 58.6 μg L-1) were found at the highest concentrations in liquid digestates, whereas octocrylene (>600 ng g-1, on a wet weight basis = ww) and the flame retardant TCPP (tris(1-chloro-2-propyl) phosphate, >500 ng g-1 ww) were found at the highest levels in solid digestates, exceeding even the upper limit of quantification (uLOQ) threshold. The highest levels of total CECs were measured in solid digestates (1411 ng g-1 ww) compared to liquid digestates (354 μg L-1 equals 354 ng g-1). The occurrence of CECs in digestate samples, even after extensive and optimized anaerobic digestion, indicates that the operational conditions of the treatment process should be adjusted in order to minimize CEC contamination.
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Affiliation(s)
- Aasim M Ali
- Faculty of Chemistry, Biotechnology and Food Science (KBM), Norwegian University of Life Sciences (NMBU), NO-1432 Aas, Norway.
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Afzal A, Dickert FL. Imprinted Oxide and MIP/Oxide Hybrid Nanomaterials for Chemical Sensors †. NANOMATERIALS 2018; 8:nano8040257. [PMID: 29677107 PMCID: PMC5923587 DOI: 10.3390/nano8040257] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 04/11/2018] [Accepted: 04/16/2018] [Indexed: 12/24/2022]
Abstract
The oxides of transition, post-transition and rare-earth metals have a long history of robust and fast responsive recognition elements for electronic, optical, and gravimetric devices. A wide range of applications successfully utilized pristine or doped metal oxides and polymer-oxide hybrids as nanostructured recognition elements for the detection of biologically relevant molecules, harmful organic substances, and drugs as well as for the investigative process control applications. An overview of the selected recognition applications of molecularly imprinted sol-gel phases, metal oxides and hybrid nanomaterials composed of molecularly imprinted polymers (MIP) and metal oxides is presented herein. The formation and fabrication processes for imprinted sol-gel layers, metal oxides, MIP-coated oxide nanoparticles and other MIP/oxide nanohybrids are discussed along with their applications in monitoring bioorganic analytes and processes. The sensor characteristics such as dynamic detection range and limit of detection are compared as the performance criterion and the miniaturization and commercialization possibilities are critically discussed.
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Affiliation(s)
- Adeel Afzal
- Department of Chemistry, College of Science, University of Hafr Al Batin, P.O. Box 1803, Hafr Al Batin 31991, Saudi Arabia.
- Department of Analytical Chemistry, University of Vienna, Währingerstraße 38, 1090 Vienna, Austria.
| | - Franz L Dickert
- Department of Analytical Chemistry, University of Vienna, Währingerstraße 38, 1090 Vienna, Austria.
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Cheng DL, Ngo HH, Guo WS, Liu YW, Zhou JL, Chang SW, Nguyen DD, Bui XT, Zhang XB. Bioprocessing for elimination antibiotics and hormones from swine wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 621:1664-1682. [PMID: 29074241 DOI: 10.1016/j.scitotenv.2017.10.059] [Citation(s) in RCA: 147] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 09/24/2017] [Accepted: 10/07/2017] [Indexed: 06/07/2023]
Abstract
Antibiotics and hormones in swine wastewater have become a critical concern worldwide due to the severe threats to human health and the eco-environment. Removal of most detectable antibiotics and hormones, such as sulfonamides (SAs), SMs, tetracyclines (TCs), macrolides, and estrogenic hormones from swine wastewater utilizing various biological processes were summarized and compared. In biological processes, biosorption and biodegradation are the two major removal mechanisms for antibiotics and hormones. The residuals in treated effluents and sludge of conventional activated sludge and anaerobic digestion processes can still pose risks to the surrounding environment, and the anaerobic processes' removal efficiencies were inferior to those of aerobic processes. In contrast, membrane bioreactors (MBRs), constructed wetlands (CWs) and modified processes performed better because of their higher biodegradation of toxicants. Process modification on activated sludge, anaerobic digestion and conventional MBRs could also enhance the performance (e.g. removing up to 98% SMs, 88.9% TCs, and 99.6% hormones from wastewater). The hybrid process combining MBRs with biological or physical technology also led to better removal efficiency. As such, modified conventional biological processes, advanced biological technologies and MBR hybrid systems are considered as a promising technology for removing toxicants from swine wastewater.
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Affiliation(s)
- D L Cheng
- Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo NSW 2007, Australia and Department of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - H H Ngo
- Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo NSW 2007, Australia and Department of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China; Institution of Research and Development, Duy Tan University, Da Nang, Viet Nam.
| | - W S Guo
- Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo NSW 2007, Australia and Department of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - Y W Liu
- Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo NSW 2007, Australia and Department of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - J L Zhou
- Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo NSW 2007, Australia and Department of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - S W Chang
- Department of Environmental Energy & Engineering, Kyonggi University, 442-760, Republic of Korea.
| | - D D Nguyen
- Department of Environmental Energy & Engineering, Kyonggi University, 442-760, Republic of Korea; Institution of Research and Development, Duy Tan University, Da Nang, Viet Nam
| | - X T Bui
- Faculty of Environment and Natural Resources, University of Technology, Vietnam National University-Ho Chi Minh, District 10, Ho Chi Minh City, Viet Nam
| | - X B Zhang
- Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo NSW 2007, Australia and Department of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
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Li S, Liu J, Sun M, Ling W, Zhu X. Isolation, Characterization, and Degradation Performance of the 17β-Estradiol-Degrading Bacterium Novosphingobium sp. E2S. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:E115. [PMID: 28125060 PMCID: PMC5334669 DOI: 10.3390/ijerph14020115] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 01/16/2017] [Accepted: 01/16/2017] [Indexed: 11/17/2022]
Abstract
A 17β-estradiol (E2)-degrading bacterium E2S was isolated from the activated sludge in a sewage treatment plant (STP). The morphology, biological characteristics, and 16S ribosomal RNA (rRNA) gene sequence of strain E2S indicated that it belonged to the genus Novosphingobium. The optimal degrading conditions were 30 °C and pH 7.0. The ideal inoculum volume was 5% (v/v), and a 20-mL degradation system was sufficient to support the removal ability of strain E2S. The addition of extra NaCl to the system did not benefit the E2 degradation in batch culture by this strain. Strain E2S exhibited high degradation efficiency with initial substrate concentrations of 10-50 mg·L-1. For example, in mineral salt medium containing 50 mg·L-1 of E2, the degradation efficiency was 63.29% after seven days. In cow manure samples supplemented with 50 mg·L-1 of E2, strain E2S exhibited 66.40% degradation efficiency after seven days. The finding of the E2-degrading strain E2S provided a promising method for removing E2 from livestock manure in order to reduce the potential environmental risks of E2.
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Affiliation(s)
- Shunyao Li
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Juan Liu
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Minxia Sun
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Wanting Ling
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Xuezhu Zhu
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
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Noguera-Oviedo K, Aga DS. Chemical and biological assessment of endocrine disrupting chemicals in a full scale dairy manure anaerobic digester with thermal pretreatment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 550:827-834. [PMID: 26849346 DOI: 10.1016/j.scitotenv.2016.01.084] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Revised: 01/15/2016] [Accepted: 01/15/2016] [Indexed: 06/05/2023]
Abstract
Concentrated animal feeding operations are important sources of estrogens and their conjugates, which are introduced into the environment through manure land application. In this study, concentrations of estrogens were measured in an anaerobic co-digestion system with thermal pasteurization pretreatment. Free estrogens (estrone (E1), 17α-estradiol (E2α), 17β-estradiol (E2β), estriol (E3)) were analyzed by gas chromatography with mass spectrometry (GC/MS), and conjugated estrogens (sulfate- and glucuronide-conjugates) were analyzed by liquid chromatography with tandem mass spectrometry (LC/MS/MS). Additionally, yeast estrogen screen assay was used to determine the estrogenic potential of the manure. The total hormone concentrations (mainly E1, E2α, E2β, and sulfated estrogens) were observed at concentrations up to a total of 7100ng/L in the liquid fraction, while free estrogen levels were 630ng/kg in the solid fraction of the untreated manure. The total hormone concentration did not decrease significantly during digestion, however, the relative composition of the estrogens changed from E2α (65%) being the predominant species before digestion to mostly E1 (72%) after digestion. This conversion process has important implications because E1 is more estrogenic than E2α. Total E2 equivalents associated with E1, E2α and E2β concentrations as determined by GC/MS indicate that E1 is the most important contributor to the endocrine-disruption activity of the treated manure.
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Affiliation(s)
- Katia Noguera-Oviedo
- Chemistry Department, University at Buffalo, The State University of New York, 611 Natural Science Complex, Buffalo, NY 14260, USA
| | - Diana S Aga
- Chemistry Department, University at Buffalo, The State University of New York, 611 Natural Science Complex, Buffalo, NY 14260, USA.
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Xu JF, Wu HB, Liu DC, Sha L, Wu WH, Fan H, Song YS, Zhu HG. Three New 29 Carbon Skeletons Pentacyclic Triterpenoids and S-equol from Biogas Slurry. B KOREAN CHEM SOC 2015. [DOI: 10.1002/bkcs.10583] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jian-Feng Xu
- College of Food Science & Technology; Shanghai Ocean University; Shanghai 201306 P.R. China
| | - Hui-Bin Wu
- College of Food Science & Technology; Shanghai Ocean University; Shanghai 201306 P.R. China
| | - Ding-Cai Liu
- College of Food Science & Technology; Shanghai Ocean University; Shanghai 201306 P.R. China
| | - Long Sha
- College of Food Science & Technology; Shanghai Ocean University; Shanghai 201306 P.R. China
| | - Wen-Hui Wu
- College of Food Science & Technology; Shanghai Ocean University; Shanghai 201306 P.R. China
| | - Hua Fan
- College of Food Science & Technology; Shanghai Ocean University; Shanghai 201306 P.R. China
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie; Charité-Universitätsmedizin; Berlin D-12200 Germany
| | - Yi-Shan Song
- College of Food Science & Technology; Shanghai Ocean University; Shanghai 201306 P.R. China
| | - Hong-Guang Zhu
- College of Food Science & Technology; Shanghai Ocean University; Shanghai 201306 P.R. China
- Research Institute of Modern Agricultural Science and Engineering; Tongji University; Shanghai 200092 China
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Establishment of a lateral flow colloidal gold immunoassay strip for the rapid detection of estradiol in milk samples. Lebensm Wiss Technol 2015. [DOI: 10.1016/j.lwt.2015.04.022] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Li Y, Zhao X, Li P, Huang Y, Wang J, Zhang J. Highly sensitive Fe 3 O 4 nanobeads/graphene-based molecularly imprinted electrochemical sensor for 17β-estradiol in water. Anal Chim Acta 2015; 884:106-13. [DOI: 10.1016/j.aca.2015.05.022] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 04/26/2015] [Accepted: 05/11/2015] [Indexed: 11/15/2022]
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Li Y, Dong C, Chu J, Qi J, Li X. Surface molecular imprinting onto fluorescein-coated magnetic nanoparticles via reversible addition fragmentation chain transfer polymerization: a facile three-in-one system for recognition and separation of endocrine disrupting chemicals. NANOSCALE 2011; 3:280-287. [PMID: 21063623 DOI: 10.1039/c0nr00614a] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
In this study, we present a general protocol for the making of surface-imprinted magnetic fluorescence beads via reversible addition-fragmentation chain transfer polymerization. The resulting composites were characterized by X-ray diffraction analysis, transmission electron microscopy, scanning electron microscopy, fluorescence spectroscopy, Fourier transform infrared spectroscopy, and energy dispersive spectroscopy. The as-synthesized beads exhibited homogeneous polymer films (thickness of about 5.7 nm), spherical shape, high fluorescence intensity and magnetic property (Magnetization (Ms)=3.67 emu g(-1)). The hybrids bind the original template 17β-estradiol with an appreciable selectivity over structurally related compounds. In addition, the resulting hybrids performed without obvious deterioration after five repeated cycles. This study therefore demonstrates the potential of molecularly imprinted polymers for the recognition and separation of endocrine disrupting chemicals.
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Affiliation(s)
- Ying Li
- Department of Chemistry, Harbin Institute of Technology, Harbin, 150090, China
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Occurrence, fate, and biodegradation of estrogens in sewage and manure. Appl Microbiol Biotechnol 2010; 86:1671-92. [DOI: 10.1007/s00253-010-2547-x] [Citation(s) in RCA: 155] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2009] [Revised: 03/06/2010] [Accepted: 03/07/2010] [Indexed: 10/19/2022]
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