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Zhu K, Zhu Z, Xu S, Zhao C, Ni T. Controlled synthesis of α-Fe 2O 3 nanocubes for gas-sensing applications: Feasibility of assessing crucian carp (Carassius auratus) freshness via trimethylamine levels. Food Chem 2024; 441:138361. [PMID: 38199112 DOI: 10.1016/j.foodchem.2024.138361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 12/15/2023] [Accepted: 01/02/2024] [Indexed: 01/12/2024]
Abstract
Trimethylamine (TMA) is an organic amine with strong pungent smell which is an indicator gas for evaluating fish freshness according to the international standard. In this work, as-synthesize α-Fe2O3 solid nanocubes (NCs), α-Fe2O3 nucleoshell NCs and α-Fe2O3 hollow NCs were used as sensing material to develop an outstanding TMA gas sensor. The response of the α-Fe2O3 hollow NCs sensors towards 20 ppm TMA at 230 ℃ was 6.3. Meanwhile, these sensors showed exceptional response/recovery time, low limit of detection, great selectivity, and outstanding linear relationship. Furthermore, the analysis of gases released during the decomposition of Carassius auratus (0-10 days) was conducted, which demonstrated the assessment of TMA by α-Fe2O3 hollow NCs sensor can evaluate the freshness of Carassius auratus. Such a novel sensor signifies the outstanding application potential in efficient gas-sensing properties of TMA, which will make the tremendous contribution for Carassius auratus product evaluation in the future.
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Affiliation(s)
- Keheng Zhu
- School of Logistics Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Zhenhua Zhu
- School of Logistics Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Shanshan Xu
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 38 Zheda Road, Hangzhou 310027, China
| | - Cheng Zhao
- Henan Railway Food Safety Management Engineering Technology Research Center, Zhengzhou Railway Vocational & Technical College, Zhengzhou 451460, China.
| | - Tianjun Ni
- School of Basic Medicine, Xinxiang Medical University, Xinxiang 453003, China.
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2
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Gao W, Yang H, Zhang Y, Gao D, Wu C. A novel and efficient electrochemiluminescence sensing strategy for the determination of trimethylamine oxide in seafood. Talanta 2024; 269:125409. [PMID: 37992485 DOI: 10.1016/j.talanta.2023.125409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/06/2023] [Accepted: 11/13/2023] [Indexed: 11/24/2023]
Abstract
A novel and efficient electrochemiluminescence (ECL) sensing strategy and a solid-state ECL sensor was proposed to detect trimethylamine oxide (TMAO), which is widely presented in marine species and has important physiological functions. TMAO was reduced by Fe(II)-EDTA complex to trimethylamine, acting as coreactant, to amplify the ECL response of the Ru (bpy)32+ system. To improve the detection sensitivity and efficiency, a robust solid-state ECL probe was prepared and a flow injection ECL detection system was established with a specially designed flow ECL unit, under the excitation of stepping pulse potentials. Under optimized experimental conditions, the developed ECL sensor worked well for TMAO detection in a wide linear range of 10.00 μM to 1.00 mM with a limit of detection of 3.41 μM. It was successfully applied to determine TMAO in various species of seafood samples. This work provides a promising strategy for TMAO detection.
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Affiliation(s)
- Wenyue Gao
- Shandong Provincial Center for In-Situ Marine Sensors, Institute of Marine Science and Technology, Shandong University, Qingdao, 266237, China.
| | - Hongye Yang
- Shandong Provincial Center for In-Situ Marine Sensors, Institute of Marine Science and Technology, Shandong University, Qingdao, 266237, China
| | - Yifei Zhang
- Shandong Provincial Center for In-Situ Marine Sensors, Institute of Marine Science and Technology, Shandong University, Qingdao, 266237, China
| | - Dexin Gao
- Shandong Provincial Center for In-Situ Marine Sensors, Institute of Marine Science and Technology, Shandong University, Qingdao, 266237, China
| | - Chi Wu
- Shandong Provincial Center for In-Situ Marine Sensors, Institute of Marine Science and Technology, Shandong University, Qingdao, 266237, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China.
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3
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Mansour FR, Abdallah IA, Bedair A, Hamed M. Analytical Methods for the Determination of Quercetin and Quercetin Glycosides in Pharmaceuticals and Biological Samples. Crit Rev Anal Chem 2023:1-26. [PMID: 37898879 DOI: 10.1080/10408347.2023.2269421] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
Flavonoids are plant-derived compounds that have several health benefits, including antioxidative, anti-inflammatory, anti-mutagenic, and anti-carcinogenic effects. Quercetin is a flavonoid that is widely present in various fruits, vegetables, and drinks. Accurate determination of quercetin in different samples is of great importance for its potential health benefits. This review, is an overview of sample preparation and determination methods for quercetin in diverse matrices. Previous research on sample preparation and determination methods for quercetin are summarized, highlighting the advantages and disadvantages of each method and providing insights into recent developments in quercetin sample treatment. Various analytical techniques are discussed including spectroscopic, chromatographic, electrophoretic, and electrochemical methods for the determination of quercetin and its derivatives in different samples. UV-Vis (Ultraviolet-visible) spectrophotometry is simple and inexpensive but lacks selectivity. Chromatographic techniques (HPLC, GC) offer selectivity and sensitivity, while electrophoretic and electrochemical methods provide high resolution and low detection limits, respectively. The aim of this review is to comprehensively explore the determination methods for quercetin and quercetin glycosides in diverse matrices, with emphasis on pharmaceutical and biological samples. The review also provides a theoretical basis for method development and application for the analysis of quercetin and quercetin glycosides in real samples.
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Affiliation(s)
- Fotouh R Mansour
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Tanta University, Tanta 31111, Egypt
| | - Inas A Abdallah
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Sadat City, Sadat City 32897, Monufia, Egypt
| | - Alaa Bedair
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Sadat City, Sadat City 32897, Monufia, Egypt
| | - Mahmoud Hamed
- School of Information Technology and Computer Science (ITCS), Nile University, Giza, Egypt
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4
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Maurya S, Singh A, Ramanathan G. A spectrophotometric trimethylamine monooxygenase assay. Proteins 2023. [PMID: 37774104 DOI: 10.1002/prot.26597] [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: 05/29/2023] [Revised: 09/06/2023] [Accepted: 09/11/2023] [Indexed: 10/01/2023]
Abstract
Trimethylamine monooxygenase (Tmm, EC-1.14.13.148) belongs to the family of flavin-containing monooxygenases that oxidize trimethylamine into trimethylamine-N-oxide (TMAO). Conventional methods for assaying Tmm are accurate over a narrow range of substrate/product concentrations. Here we report a TMAO-specific enzymatic assay for Tmm using polyallylamine hydrochloride (PAHCl)-capped MnO2 nanoparticles (PAHCl@MnO2 ). We achieved TMAO specificity using iodoacetonitrile to remove interfering trimethylamine. The change in the concentration of TMAO is measured by observing the difference in the absorbance of 3,3',5,5'-tetramethylbenzidine (TMB) at 650 nm. The assay is tolerant to several interfering metal ions and other compounds. This method is more accessible and reliable than currently known methods. The limit of detection (LOD) and limit of quantitation (LOQ) are 1 μM and 10 μM, respectively, for direct TMAO measurement.
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Affiliation(s)
- Shiwangi Maurya
- Department of Chemistry, Indian Institute of Technology, Kanpur, India
| | - Abhishek Singh
- Department of Chemistry, Indian Institute of Technology, Kanpur, India
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5
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Ciampa A, Picone G. Application of HR-NMR for the Metabolic Kinetic Assessment of Red Mullet (Mullus barbatus) and Bogue (Boops boops) Samples during Different Temperature Storage. Metabolites 2023; 13:metabo13040482. [PMID: 37110141 PMCID: PMC10143401 DOI: 10.3390/metabo13040482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/20/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
Fish freshness and quality can be measured through several indices that can be both chemical and physical. The storage temperature and the time that elapses following the catching of the fish are fundamental parameters that define and influence both the degree of freshness and nutritional quality. Moreover, they particularly effect the kind of fish we considered. In this research, it was observed how different temperatures of storage and shelf-life (+4 °C and 0 °C) may affect the metabolic profile of red mullet (Mullus barbatus) and bogue (Boops boops) fish samples over time, specifically observing the alteration of freshness and quality. In particular, a High-Resolution Nuclear Magnetic Resonance (HR-NMR)-based metabolomics approach was applied to study the metabolic profile changes that occur in fish spoilage. The HR-NMR spectroscopy data were useful for calculating a kinetic model that was able to predict the evolution of different compounds related to fish freshness, such as trimethylamine (TMA-N) and adenosine-5′-triphosphate (ATP) catabolites for the K-index. Furthermore, NMR in combination with chemometrics allowed us to estimate a further kinetic model able to represent the spoilage evolution by considering the entire metabolome. In this way, it was also possible to detect further biomarkers characterizing the freshness and quality status of both red mullets and bogues.
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Çorapci B. The Effect of Rosehip Seed Oil Nanoemulsion on Some Physical, Chemical, and Microbiological Properties of Sea Bass Fillets Stored at 4±1°C. JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY 2022. [DOI: 10.1080/10498850.2022.2094207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Bengünur Çorapci
- Department of Fish Processing Technology, Faculty of Fisheries, Sinop University, Sinop, Turkey
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7
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Villarino N, Pena-Pereira F, Lavilla I, Bendicho C. Waterproof Cellulose-Based Substrates for In-Drop Plasmonic Colorimetric Sensing of Volatiles: Application to Acid-Labile Sulfide Determination in Waters. ACS Sens 2022; 7:839-848. [PMID: 35285629 PMCID: PMC8961881 DOI: 10.1021/acssensors.1c02585] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 03/04/2022] [Indexed: 11/28/2022]
Abstract
The present work reports on the assessment of widely available waterproof cellulose-based substrates for the development of sensitive in-drop plasmonic sensing approaches. The applicability of three inexpensive substrates, namely, Whatman 1PS, polyethylene-coated filter paper, and tracing paper, as holders for microvolumes of colloidal solutions was evaluated. Waterproof cellulose-based substrates demonstrated to be highly convenient platforms for analytical purposes, as they enabled in situ generation of volatiles and syringeless drop exposure unlike conventional single-drop microextraction approaches and can behave as sample compartments for smartphone-based colorimetric sensing in an integrated way. Remarkably, large drop volumes (≥20 μL) of colloidal solutions can be employed for enrichment processes when using Whatman 1PS as holder. In addition, the stability and potential applicability of spherical, rod-shaped, and core-shell metallic NPs onto waterproof cellulose-based substrates was evaluated. In particular, Au@AgNPs showed potential for the colorimetric detection of in situ generated H2S, I2, and Br2, whereas AuNRs hold promise for I2, Br2, and Hg0 colorimetric sensing. As a proof of concept, a smartphone-based colorimetric assay for determination of acid-labile sulfide in environmental water samples was developed with the proposed approach taking advantage of the ability of Au@AgNPs for H2S sensing. The assay showed a limit of detection of 0.46 μM and a repeatability of 4.4% (N = 8), yielding satisfactory recoveries (91-107%) when applied to the analysis of environmental waters.
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Affiliation(s)
- Nerea Villarino
- Centro de Investigación Mariña,
Universidade de Vigo, Departamento de
Química Analítica e alimentaria, Grupo QA2, Edificio CC Experimentais, Campus
de Vigo, As Lagoas, Marcosende, 36310 Vigo, Spain
| | - Francisco Pena-Pereira
- Centro de Investigación Mariña,
Universidade de Vigo, Departamento de
Química Analítica e alimentaria, Grupo QA2, Edificio CC Experimentais, Campus
de Vigo, As Lagoas, Marcosende, 36310 Vigo, Spain
| | - Isela Lavilla
- Centro de Investigación Mariña,
Universidade de Vigo, Departamento de
Química Analítica e alimentaria, Grupo QA2, Edificio CC Experimentais, Campus
de Vigo, As Lagoas, Marcosende, 36310 Vigo, Spain
| | - Carlos Bendicho
- Centro de Investigación Mariña,
Universidade de Vigo, Departamento de
Química Analítica e alimentaria, Grupo QA2, Edificio CC Experimentais, Campus
de Vigo, As Lagoas, Marcosende, 36310 Vigo, Spain
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8
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Zhang X, Xie J. The differential effects of endogenous cathepsin and microorganisms on changes in the texture and flavor substances of grouper ( Epinephelus coioides) fillets. RSC Adv 2020; 10:10764-10775. [PMID: 35492946 PMCID: PMC9050448 DOI: 10.1039/d0ra01028f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 02/28/2020] [Indexed: 11/21/2022] Open
Abstract
Grouper is an important seafood species in China and has high economic value. However, the edible value of grouper is seriously affected by deterioration in the texture and flavor during refrigeration. The purpose of this study was to investigate the effects of endogenous cathepsin and microorganisms on texture softening and flavor changes in refrigerated grouper fillets. Iodoacetic acid and ProClin 300 were used to inhibit endogenous protease activity and microbial growth separately. Iodoacetic acid can inhibit the activity of cathepsin B, L, and calpain. Moreover, iodoacetic acid does not significantly affect the growth of microorganisms. The total amounts of bacteria and Pseudomonas spp. in the samples treated with ProClin 300 were less than 2 log CFU g-1 and 1 log CFU g-1 on the 18th day, and the activity of protease was not significantly affected. On the 6th day, the hardness of the iodoacetic acid treatment group decreased by 8%, while the ProClin 300 treatment group decreased by 28%, and changes in the free amino acids and volatile substances significantly exceeded those of the iodoacetic acid treatment group, indicating that endogenous protease was the main factor in the texture deterioration. A first-order exponential decay model indicated that cathepsin L was the most important protease for reducing the hardness of grouper fillets, and changes in the content of free amino acids and volatile substances indicated that microorganisms played a more important role in the deterioration of flavor substances compared to that played by endogenous protease.
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Affiliation(s)
- Xicai Zhang
- College of Food Science & Technology, Shanghai Ocean University Shanghai 201306 China +86 2161900391
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation Shanghai 201306 China
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation Shanghai 201306 China
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University Shanghai 201306 China
- Jingchu University of Technology Jingmen 448000 China
| | - Jing Xie
- College of Food Science & Technology, Shanghai Ocean University Shanghai 201306 China +86 2161900391
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation Shanghai 201306 China
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation Shanghai 201306 China
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University Shanghai 201306 China
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9
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Rapid and Nondestructive Quantification of Trimethylamine by FT-NIR Coupled with Chemometric Techniques. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01537-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Baliño-Zuazo L, Barranco A. A novel liquid chromatography–mass spectrometric method for the simultaneous determination of trimethylamine, dimethylamine and methylamine in fishery products. Food Chem 2016; 196:1207-14. [DOI: 10.1016/j.foodchem.2015.09.086] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Revised: 09/08/2015] [Accepted: 09/24/2015] [Indexed: 10/23/2022]
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11
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Xiao-wei H, Zhi-hua L, Xiao-bo Z, Ji-yong S, Han-ping M, Jie-wen Z, Li-min H, Mel H. Detection of meat-borne trimethylamine based on nanoporous colorimetric sensor arrays. Food Chem 2015; 197:930-6. [PMID: 26617036 DOI: 10.1016/j.foodchem.2015.11.041] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 10/19/2015] [Accepted: 11/07/2015] [Indexed: 11/29/2022]
Abstract
Trimethylamine (TMA) is a key measurement indicator for meat spoilage. In order to develop simple, cheap, and sensitive sensors for TMA detection, a nanoporous colorimetric sensor array (NCSA) was developed. A sol-gel method has been used to obtain TiO2 nanoporous film as substrate material to improve the sensitivity and stability of the CSA. The sensor enabled the visual detection of TMA gas from the permissible exposure limits (PEL) 10 ppm to 60 ppb concentrations with significant response. Principal component analysis (PCA) was used to characterize the functional relationship between the color difference data and TMA concentrations. Furthermore, the NCSA was used to predict the presence of TMA in Yao-meat. A partial least square (PLS) prediction model was obtained with the correlation coefficients of 0.896 and 0.837 in calibration and prediction sets, respectively. This research suggested that the NCSA offers a useful technology for quality evaluation of TMA in meat.
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Affiliation(s)
- Huang Xiao-wei
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China
| | - Li Zhi-hua
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China
| | - Zou Xiao-bo
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China.
| | - Shi Ji-yong
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China
| | - Mao Han-ping
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China
| | - Zhao Jie-wen
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China
| | - Hao Li-min
- The Research Center of China Hemp Materials, Beijing, China
| | - Holmes Mel
- School of Food Science and Nutrition, The University of Leeds, Leeds LS2 9JT, United Kingdom
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Hashemniaye-Torshizi R, Ashraf N, Arbab-Zavar MH. Hydride generation coupled to microfunnel-assisted headspace liquid-phase microextraction for the determination of arsenic with UV-Vis spectrophotometry. ENVIRONMENTAL MONITORING AND ASSESSMENT 2014; 186:8381-8389. [PMID: 25154684 DOI: 10.1007/s10661-014-4011-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 08/15/2014] [Indexed: 06/03/2023]
Abstract
In this research, a microfunnel-assisted headspace liquid-phase microextraction technique has been used in combination with hydride generation to determine arsenic (As) by UV-Vis spectrophotometry. The method is based on the reduction of As to arsine (AsH3) in acidic media by sodium tetrahydroborate (NaBH4) followed by its subsequent reaction with silver diethyldithiocarbamate (AgDDC) to give an absorbing complex at 510 nm. The complexing reagent (AgDDC) has been dissolved in a 1:1 (by the volume ratio) mixture of chloroform/chlorobenzene microdroplet and exposed to the generated gaseous arsine via a reversed microfunnel in the headspace of the sample solution. Several operating parameters affecting the performance of the method have been examined and optimized. Acetonitrile solvent has been added to the working samples as a sensitivity enhancement agent. Under the optimized operating conditions, the detection limit has been measured to be 0.2 ng mL(-1) (based on 3sb/m criterion, n b = 8), and the calibration curve was linear in the range of 0.5-12 ng mL(-1). The relative standard deviation for eight replicate measurements was 1.9 %. Also, the effects of several potential interferences have been studied. The accuracy of the method was validated through the analysis of JR-1 geological standard reference material. The method has been successfully applied for the determination of arsenic in raw and spiked soft drink and water samples with the recoveries that ranged from 91 to 106 %.
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Kocúrová L, Balogh IS, Andruch V. A glance at achievements in the coupling of headspace and direct immersion single-drop microextraction with chromatographic techniques. J Sep Sci 2013; 36:3758-68. [DOI: 10.1002/jssc.201300575] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Revised: 09/09/2013] [Accepted: 09/09/2013] [Indexed: 01/05/2023]
Affiliation(s)
- Lívia Kocúrová
- Department of Analytical Chemistry; Pavol Jozef Šafárik University in Košice; Slovak Republic
| | - Ioseph S. Balogh
- Department of Chemistry; College of Nyíregyháza; Nyíregyháza Hungary
| | - Vasil Andruch
- Department of Analytical Chemistry; Pavol Jozef Šafárik University in Košice; Slovak Republic
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14
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Shim JE, Baek HH. Determination of trimethylamine in spinach, cabbage, and lettuce at alkaline pH by headspace solid-phase microextraction. J Food Sci 2012; 77:C1071-6. [PMID: 22938177 DOI: 10.1111/j.1750-3841.2012.02897.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
UNLABELLED Trimethylamine (TMA) found in some leafy vegetables, such as spinach, cabbage, and lettuce, at alkaline pH was identified and quantified using headspace solid-phase microextraction and gas chromatography-mass spectrometry (HS-SPME and GC-MS). HS-SPME conditions were optimized at an adsorption temperature of 50 °C, equilibration time of 5 min, and adsorption time of 5 min with 65 μm of polydimethylsiloxane/divinylbenzene fiber. The TMA that was formed from spinach, cabbage, and lettuce was assayed at pH 7 to 11 for 0 to 4 h at 50 °C using HS-SPME. The results showed that the amount of TMA formed was dependent on pH. The amount of TMA formed increased dramatically at a pH greater than 9. TMA was not formed at a pH lower than 7. Spinach produced a higher amount of TMA than cabbage or lettuce. TMA was formed at alkaline pH from choline, betaine, and carnitine, which are TMA precursors. To confirm the SPME results, TMA was quantitated using the AOAC official method. Data obtained from chemical analysis were in good agreement with the SPME data. The formation mechanism of TMA is thought to be the Hofmann elimination reaction, which generates amine compounds at alkaline pH. PRACTICAL APPLICATION Fishy off-flavor in foods is associated with trimethylamine (TMA), which is frequently found in fish and seafood. In this study, TMA was identified for the first time in some leafy vegetables, such as spinach, cabbage, and lettuce, at alkaline pH. The presence of TMA in leafy vegetables under certain circumstances such as high pH and temperature may affect the sensory properties of foods containing these vegetables.
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Affiliation(s)
- Jae-Ean Shim
- Department of Food Engineering, Dankook University, Dongnam-gu, Cheonan, Korea
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15
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Lavilla I, Gil S, Costas M, Bendicho C. Dispersive liquid–liquid microextraction combined with microvolume spectrophotometry to turn green the 5530 APHA standard method for determining phenols in water and wastewater. Talanta 2012; 98:197-202. [DOI: 10.1016/j.talanta.2012.06.069] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Revised: 06/15/2012] [Accepted: 06/25/2012] [Indexed: 10/28/2022]
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16
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Dehghani Mohammad Abadi M, Ashraf N, Chamsaz M, Shemirani F. An overview of liquid phase microextraction approaches combined with UV-Vis spectrophotometry. Talanta 2012; 99:1-12. [PMID: 22967514 DOI: 10.1016/j.talanta.2012.05.027] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2012] [Revised: 05/15/2012] [Accepted: 05/16/2012] [Indexed: 11/15/2022]
Abstract
Ultraviolet and visible spectrophotometer has become a popular analytical instrument in the modern day laboratories. However, the low concentrations of many analytes in samples make it difficult to directly measure them by UV-Vis spectrophotometry. This overview focuses on the combinations of microvolume UV-Vis spectrophotometry with miniaturized approaches to sample preparation, namely, single drop microextraction (SDME), dispersive liquid-liquid microextraction (DLLME), cold induced aggregation microextraction (CIAME), in situ solvent formation microextraction (ISSFME), ultrasound assisted emulsification microextraction (USAEME), solidified floating organic drop microextraction (SFODME), and hollow fiber based liquid phase microextraction (HF-LPME) to improve both the selectivity and sensitivity. Integration of these techniques provides unique advantages which include availability, simplicity of operation, low cost, speed, precision and accuracy; hence making them a powerful tool in chemical analysis.
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17
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Andruch V, Kocúrová L, Balogh IS, Škrlíková J. Recent advances in coupling single-drop and dispersive liquid–liquid microextraction with UV–vis spectrophotometry and related detection techniques. Microchem J 2012. [DOI: 10.1016/j.microc.2011.10.006] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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18
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Jain A, Verma KK. Recent advances in applications of single-drop microextraction: A review. Anal Chim Acta 2011; 706:37-65. [DOI: 10.1016/j.aca.2011.08.022] [Citation(s) in RCA: 134] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2011] [Revised: 08/11/2011] [Accepted: 08/15/2011] [Indexed: 10/17/2022]
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19
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Cabaleiro N, Pena-Pereira F, de la Calle I, Bendicho C, Lavilla I. Determination of triclosan by cuvetteless UV–vis micro-spectrophotometry following simultaneous ultrasound assisted emulsification–microextraction with derivatization: Use of a micellar-ionic liquid as extractant. Microchem J 2011. [DOI: 10.1016/j.microc.2011.05.010] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Liquid phase microextraction applications in food analysis. J Chromatogr A 2011; 1218:7415-37. [DOI: 10.1016/j.chroma.2011.05.096] [Citation(s) in RCA: 141] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2011] [Revised: 05/24/2011] [Accepted: 05/27/2011] [Indexed: 11/18/2022]
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22
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Ion pair-based liquid-phase microextraction combined with cuvetteless UV–vis micro-spectrophotometry as a miniaturized assay for monitoring ammonia in waters. Talanta 2011; 85:1448-52. [DOI: 10.1016/j.talanta.2011.06.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Revised: 05/31/2011] [Accepted: 06/11/2011] [Indexed: 11/22/2022]
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23
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Pena-Pereira F, Cabaleiro N, de la Calle I, Costas M, Gil S, Lavilla I, Bendicho C. Directly suspended droplet microextraction in combination with microvolume UV–vis spectrophotometry for determination of phosphate. Talanta 2011; 85:1100-4. [DOI: 10.1016/j.talanta.2011.05.032] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 05/09/2011] [Accepted: 05/17/2011] [Indexed: 10/18/2022]
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24
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Bourigua S, El Ichi S, Korri-Youssoufi H, Maaref A, Dzyadevych S, Jaffrezic Renault N. Electrochemical sensing of trimethylamine based on polypyrrole-flavin-containing monooxygenase (FMO3) and ferrocene as redox probe for evaluation of fish freshness. Biosens Bioelectron 2011; 28:105-11. [PMID: 21802279 DOI: 10.1016/j.bios.2011.07.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Accepted: 07/04/2011] [Indexed: 10/18/2022]
Abstract
Amperometric and impedimetric biosensor for detecting trimethylamine (TMA) which represents good parameters for estimating fish freshness has been developed. The biosensor is based on a conducting polypyrrole substituted with ferrocenyl, where flavin-containing monooxygenase 3 (FMO3) enzyme was immobilised by covalent bonding. FMO3 catalyzes the monooxygenation TMA to trimethylamine N-oxide (TMO). For catalysis FMO require flavin adenine (FAD) as a prosthetic group, NADPH as a cofactor and molecular oxygen as cosubstrate. Ferrocenyl group substituted on the polypyrrole matrix will serve as redox probe for monitoring the response of the biosensor to TMA. The construction of the biosensor was characterized by FT-IR, cyclic voltammetry and impedance measurements. Detection is done through the analysis of the current of oxidation signal of the ferrocenyl groups and compared to the measurement of impedance related to the electrical properties of the layers. Amperometric and impedimetric response were measured as a function of TMA concentration in range of 0.4 μgm L(-1)-80 μgm L(-1) (6.5 μmol L(-1)-1.5 mmol L(-1)). Amperometric measurements show a decrease in current response which is in correlation with the increase of the charge transfer resistance demonstrated by impedance. Calibration curve obtained by impedance spectroscopy shows a high sensitivity with a dynamic range from (0.4 μgm L(-1) to 80 μgm L(-1)). We demonstrated, using ferrocene as redox probe for catalytic reaction of FMO3, that high sensitivity and dynamic range was obtained. The biosensor was stable during 16 days. The biosensor shows high selectivity and its sensitivity to TMA in real samples was evaluated using fish extract after deterioration during storage.
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Affiliation(s)
- Sondes Bourigua
- Université de Lyon, Laboratoire des Sciences Analytiques, Université Claude Bernard, Lyon 1, 43 Boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France
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25
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Costas-Mora I, Romero V, Pena-Pereira F, Lavilla I, Bendicho C. Quantum Dot-Based Headspace Single-Drop Microextraction Technique for Optical Sensing of Volatile Species. Anal Chem 2011; 83:2388-93. [DOI: 10.1021/ac103223e] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Isabel Costas-Mora
- Departamento de Química Analítica y Alimentaria, Área de Química Analítica, Facultad de Química, Universidad de Vigo, Campus As Lagoas-Marcosende s/n, 36310 Vigo, Spain
| | - Vanesa Romero
- Departamento de Química Analítica y Alimentaria, Área de Química Analítica, Facultad de Química, Universidad de Vigo, Campus As Lagoas-Marcosende s/n, 36310 Vigo, Spain
| | - Francisco Pena-Pereira
- Departamento de Química Analítica y Alimentaria, Área de Química Analítica, Facultad de Química, Universidad de Vigo, Campus As Lagoas-Marcosende s/n, 36310 Vigo, Spain
| | - Isela Lavilla
- Departamento de Química Analítica y Alimentaria, Área de Química Analítica, Facultad de Química, Universidad de Vigo, Campus As Lagoas-Marcosende s/n, 36310 Vigo, Spain
| | - Carlos Bendicho
- Departamento de Química Analítica y Alimentaria, Área de Química Analítica, Facultad de Química, Universidad de Vigo, Campus As Lagoas-Marcosende s/n, 36310 Vigo, Spain
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26
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Ghasemi E, Sillanpää M, Najafi NM. Headspace hollow fiber protected liquid-phase microextraction combined with gas chromatography-mass spectroscopy for speciation and determination of volatile organic compounds of selenium in environmental and biological samples. J Chromatogr A 2010; 1218:380-6. [PMID: 21185031 DOI: 10.1016/j.chroma.2010.12.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2010] [Revised: 11/29/2010] [Accepted: 12/02/2010] [Indexed: 10/18/2022]
Abstract
A simple and novel speciation method for the determination of volatile organic compounds of selenium (dimethylselenide (DMSe) and dimethyldiselenide (DMDSe) has been developed using a headspace hollow fiber protected liquid-phase microextraction (HS-HF-LPME) combined with capillary gas chromatography-mass spectrometry (GC-MS). The organic solvent impregnated in the pores and filled inside the porous hollow fiber membrane was used as an extraction interface in the HS-HF-LPME of the compounds. The effect of different variables on the extraction efficiency was studied simultaneously using an experimental design. The variables of interest in the HS-HF-LPME were sample volume, extraction time, temperature of sample solution, ionic strength, stirring rate and dwelling time. A Plackett-Burman design was performed for screening in order to determine the significant variables affecting the extraction efficiency. Then, the significant factors were optimized by a Box-Behnken design (BBD) and the response surface equations were derived. Under optimum conditions, preconcentration factors up to 1250 and 1170 were achieved for DMSe and DMDSe respectively. The detection limit and relative standard deviation (RSD) (n=5, c=50 μg L(-1)) for DMSe were 65 ng L(-1) and 4.8%, respectively. They were also obtained for DMDSe as 57 ng L(-1) and 3.9%, respectively. The developed technique was found to be applicable to spiked environmental and biological samples.
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Affiliation(s)
- Ensieh Ghasemi
- Department of Chemistry, Faculty of Science, Shahid Beheshti University, G.C., Evin, Tehran, Iran
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27
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Yu Y, Chen B, Shen C, Cai Y, Xie M, Zhou W, Chen Y, Li Y, Duan G. Multiple headspace single-drop microextraction coupled with gas chromatography for direct determination of residual solvents in solid drug product. J Chromatogr A 2010; 1217:5158-64. [DOI: 10.1016/j.chroma.2010.06.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Revised: 05/26/2010] [Accepted: 06/04/2010] [Indexed: 10/19/2022]
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28
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Griess micro-assay for the determination of nitrite by combining fibre optics-based cuvetteless UV–Vis micro-spectrophotometry with liquid-phase microextraction. Anal Chim Acta 2010; 668:195-200. [DOI: 10.1016/j.aca.2010.04.038] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2010] [Revised: 04/20/2010] [Accepted: 04/21/2010] [Indexed: 11/24/2022]
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29
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Pena-Pereira F, Lavilla I, Bendicho C. Liquid-phase microextraction approaches combined with atomic detection: A critical review. Anal Chim Acta 2010; 669:1-16. [DOI: 10.1016/j.aca.2010.04.050] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2010] [Revised: 04/20/2010] [Accepted: 04/23/2010] [Indexed: 11/28/2022]
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30
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Jain A, Pillai AKKV, Sharma N, Verma KK. Headspace single-drop microextraction and cuvetteless microspectrophotometry for the selective determination of free and total cyanide involving reaction with ninhydrin. Talanta 2010; 82:758-65. [PMID: 20602966 DOI: 10.1016/j.talanta.2010.05.048] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2010] [Revised: 05/19/2010] [Accepted: 05/20/2010] [Indexed: 10/19/2022]
Abstract
Headspace single-drop microextraction has been used for the determination of cyanide with ninhydrin in combination with fibre-optic-based cuvetteless microspectrophotometry which accommodates sample volume of 1 microL placed between the two ends of optical fibres, and has been found to avoid salient drawbacks of batch methods. This method involved hydrocyanic acid formation in a closed vial, and simultaneous extraction and reaction with 2 microL drop of ninhydrin in carbonate medium suspended at the tip of a microsyringe needle held in the headspace of the acidified sample solution. The method was linear in range 0.025-0.5 mg L(-1) of cyanide. The headspace reaction was free from the interference of substances, e.g., thiocyanate, hydrazine sulphate, hydroxylammonium chloride and ascorbic acid. Sulphide was masked by cadmium sulphate, nitrite by sulphamic acid, sulphite by N-ethylmaleimide, and halogens by ascorbic acid. The limit of detection was found to be 4.3 microg L(-1) of cyanide which was comparable to existing most sensitive methods for cyanide. However, the present method is far more simple. The method was applied to acid-labile and metal cyanides complexes by treatment with sulphide when metal sulphides were precipitated setting cyanide ion free, and to iron(II) and (III) cyanide complexes by their decomposition with mercury(II), the mercury(II) cyanide formed was then determined. These pre-treatment methods avoided cumbersome pre-separation of cyanide by methods such as distillation or gas diffusion. The overall recovery of cyanide in diverse samples was 97% with RSD of 3.9%.
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Affiliation(s)
- Archana Jain
- Department of Chemistry, Rani Durgavati University, Pachpedi, Jabalpur, Madhya Pradesh, India
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