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Zhang J, Chen J, Zuo J, Lan J, Jiang Z, Xiao C, Wang X, Zuo Y. A novel electrochemical sensor with NiSx@MoS2 composite for efficient NO2- sensing. Food Chem 2025; 462:140947. [PMID: 39208736 DOI: 10.1016/j.foodchem.2024.140947] [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: 05/16/2024] [Revised: 08/18/2024] [Accepted: 08/20/2024] [Indexed: 09/04/2024]
Abstract
Excess nitrites are potentially threatening to human health, so it is urgent to develop accurate and sensitive methods. The development of sensors can provide early warning of possible hazards and alert people to protect public health. This work presents an NiSx@MoS2-composite with excellent electrochemical activity, representing a key finding for highly sensitive NO2- detection and sensor development. With the assistance of NiSx@MoS2, this electrochemical sensor has excellent quantitative detection performance. It has a wide detection range (0.0001-0.0020 mg/mL) and a low detection limit (1.863*10-5 mg/mL) for NO2-. This electrochemical sensor maintains excellent specificity among numerous interferences, and it completes the accurate detection of different real food samples. Pleasingly, the electrochemical sensor has satisfactory repeatability stability, and potential for practical applications. It would demonstrate tremendous potential in scientific dietary guidance, food safety detection and other fields.
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Affiliation(s)
- Jing Zhang
- College of Food and Biological Engineering, Chengdu University, Chengdu 610106, China
| | - Jing Chen
- College of Food and Biological Engineering, Chengdu University, Chengdu 610106, China; Solid-State Fermentation Resource Utilization Key Laboratory of Sichuan Province, Faculty of Quality Management and Inspection & Quarantine, Yibin University, Yibin 644000, China
| | - Jincen Zuo
- College of Life Science, Sichuan Normal University, Chengdu 610101, China
| | - Jingsha Lan
- College of Life Science, Sichuan Normal University, Chengdu 610101, China
| | - Zhilin Jiang
- College of Life Science, Sichuan Normal University, Chengdu 610101, China
| | - Chen Xiao
- College of Life Science, Sichuan Normal University, Chengdu 610101, China
| | - Xinhui Wang
- College of Food and Biological Engineering, Chengdu University, Chengdu 610106, China; Chengdu National Agricultural Science and Technology Center, Chengdu 610213, China.
| | - Yong Zuo
- College of Life Science, Sichuan Normal University, Chengdu 610101, China.
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2
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Sarvestani PS, Majdinasab M, Golmakani MT, Shaghaghian S, Eskandari MH. Development of a simple and rapid dipstick paper-based test strip for colorimetric determination of nitrate and nitrite in water and foodstuffs. Food Chem 2024; 461:140856. [PMID: 39173253 DOI: 10.1016/j.foodchem.2024.140856] [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: 04/25/2024] [Revised: 08/08/2024] [Accepted: 08/11/2024] [Indexed: 08/24/2024]
Abstract
A rapid user-friendly paper-based test strip using zinc microparticles in conjugation with Griess reagent was developed for nitrite and nitrate detection. Test strips were fabricated using a simple and fast method of step-by-step immersion into reagents so that each strip contained a single detection pad for nitrite detection and another separate pad for nitrate detection. To reduce nitrate to nitrite, zinc microparticles suspended in ethanolic solution of polyvinylpyrrolidone (PVP) were uniformly immobilized on the paper strips that were previously impregnated in the Griess reagent and dried. The Griess reagent components were optimized to reach the highest color intensity. The optimized test strip was able to determine both nitrite and nitrate with respective detection limits of 0.43 and 9.43 mg/kg and a detection time of 60 s. The performance of the new test strips was evaluated for the simultaneous colorimetric detection of nitrite and nitrate in water and different food samples.
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Affiliation(s)
- Parisa Shafeie Sarvestani
- Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz 71441-65186, Iran
| | - Marjan Majdinasab
- Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz 71441-65186, Iran.
| | - Mohammad-Taghi Golmakani
- Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz 71441-65186, Iran
| | - Samaneh Shaghaghian
- Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz 71441-65186, Iran
| | - Mohammad-Hadi Eskandari
- Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz 71441-65186, Iran
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3
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Sun L, Zhang Z, Wang J, Hui N. A dual-mode electrochemical biosensor based on GO-Fe 3O 4 doped PEDOT nanocomposite for the ultrasensitive assay of microRNA. Bioelectrochemistry 2024; 160:108786. [PMID: 39111272 DOI: 10.1016/j.bioelechem.2024.108786] [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: 06/18/2024] [Revised: 07/17/2024] [Accepted: 07/29/2024] [Indexed: 09/15/2024]
Abstract
MicroRNA, as a distinctive biomarker, plays a crucial role in the early prognosis and diagnosis of numerous severe diseases. However, due to its inherent properties such as low abundance, small size, and high sequence similarity, the sensitive and accurate detection of microRNA remains a major challenge. Herein, a dual-mode electrochemical biosensing platform was developed for microRNA detection, based on poly(3,4-ethylenedioxythiophene) (PEDOT) doped with graphene oxide-Fe3O4 (GO-Fe3O4) nanocomposite. The GO-Fe3O4/PEDOT composite demonstrated a porous microstructure, outstanding conductivity, and robust catalytic activity towards nitrite. It was electrodeposited onto the electrode surface in a one-step process using the cyclic voltammetry method (CV). The microRNA biosensor was obtained by anchoring DNA with amino groups to the GO-Fe3O4/PEDOT layer through the formation of amide bonds. The designed dual-mode microRNA biosensor demonstrated a broad linear range spanning from 10-15 M to 10-6 M, with low detection limits of 5.18 × 10-15 M and 7.36 × 10-15 M when using chronocoulometry (CC) and amperometric i-t curve (i-t) modes, respectively. Furthermore, a dual-mode electrochemical biosensor has been successfully developed and utilized for the detection of microRNA in human serum, demonstrating its potential for precise and sensitive microRNA detection and its practical application value in clinical medicine.
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Affiliation(s)
- Luyu Sun
- Qingdao Agricultural University, Qingdao, PR China
| | | | | | - Ni Hui
- Qingdao Agricultural University, Qingdao, PR China.
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4
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Gaur K, Kaur K, Bhardwaj G, Kaur N, Singh N. Benzimidazolium Salt Modified Microporous Silica-Coupled Iron Oxide Nanoparticles: Material Engineered for Nitrate Removal. ACS APPLIED MATERIALS & INTERFACES 2024; 16:49790-49800. [PMID: 39231029 DOI: 10.1021/acsami.4c10294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
Today's extensive use of inorganic fertilizers in agricultural techniques has increased the concentration of nitrate in drinking water beyond safety limits, causing serious health problems in humans such as thyroidism and methemoglobinemia. Therefore, the present work describes the synthesis of a benzimidazolium salt-based fluorescent chemosensor (KG3) via a multistep synthesis which detects nitrate ions in aqueous medium. This was validated using various analytical techniques such as fluorescence spectroscopy, UV-visible spectroscopy, and electrochemical studies with a detection limit of 0.032 μM without any interference from other active water pollutants. Subsequently, KG3 is further modified with the help of iron oxide nanoparticles (Fe3O4 NPs) and silica to obtain the SiO2@Fe3O4-KG3 nanocomposite, which was immobilized over a polyether sulfone membrane and evaluated for removal of nitrate ions from groundwater with a removal efficiency of 96%. Moreover, the engineered composite membrane can serve as a solid-state fluorescence sensor to detect NO3- ions, which was demonstrated through a portable mobile-based prototype employing a hue, saturation, and value parameter model.
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Affiliation(s)
- Kostubh Gaur
- Department of Chemistry & Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India
| | - Kamalpreet Kaur
- Department of Chemistry, Indian Institute of Technology Ropar (IIT Ropar), Rupnagar, Punjab 140001, India
| | - Geetika Bhardwaj
- Department of Chemistry & Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India
| | - Navneet Kaur
- Department of Chemistry & Centre for Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India
| | - Narinder Singh
- Department of Chemistry, Indian Institute of Technology Ropar (IIT Ropar), Rupnagar, Punjab 140001, India
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5
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He J, Liu W, Ren X, Ding D, He L, Zhang Y, Qiu B. Degradation and preservation of nitrites in whole blood. Forensic Sci Int 2024; 364:112232. [PMID: 39298834 DOI: 10.1016/j.forsciint.2024.112232] [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: 05/20/2024] [Revised: 09/04/2024] [Accepted: 09/13/2024] [Indexed: 09/22/2024]
Abstract
Understanding the factors that influence nitrite degradation in whole blood and developing methods for its stable preservation are crucial for ensuring accurate and reliable forensic identification in cases of nitrite poisoning. This study systematically monitored nitrite degradation and changes in hemoglobin proportions across different initial nitrite concentrations and blood samples. It was revealed that high nitrite concentrations rapidly reduced deoxyhemoglobin levels within the first 15 minutes and subsequently reacted with oxyhemoglobin at a slower rate. Therefore, the proportions of these two hemoglobin forms are key factors in determining nitrite degradation rates. Regarding preservation, the study examined the effects of low temperatures (4°C and -20°C) and various preservatives (potassium ferricyanide, N-ethylmaleimide) on nitrite stability. The results indicate that adding 6.6 g/L potassium ferricyanide can rapidly eliminate all deoxyhemoglobin and reduce oxyhemoglobin proportions to below 60 %, enabling stable preservation of high nitrite concentrations in whole blood for over 30 days at -20°C. The efficacy of potassium ferricyanide was further validated in forensic-acquired postmortem heart blood samples.
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Affiliation(s)
- Juan He
- Center for Environment and Water Resource, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China.
| | - Wenlong Liu
- Institute of Criminal Science and Technology of Changsha Public Security Bureau, Changsha, Hunan 410013, China.
| | - Xinxin Ren
- Institute of Forensic Science, Ministry of Public Security, Beijing Engineering Research Center of Crime Scene Evidence Examination, Beijing 100038, China.
| | - Ding Ding
- Institute of Criminal Science and Technology of Changsha Public Security Bureau, Changsha, Hunan 410013, China.
| | - Lingfang He
- Institute of Criminal Science and Technology of Changsha Public Security Bureau, Changsha, Hunan 410013, China.
| | - Yunfeng Zhang
- Institute of Forensic Science, Ministry of Public Security, Beijing Engineering Research Center of Crime Scene Evidence Examination, Beijing 100038, China.
| | - Bo Qiu
- Center for Environment and Water Resource, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China.
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6
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Yin X, Wang C, Wei S, Liu M, Hu K, Song X, Sun G, Lu L. Carbon dots-based dual-mode sensor for highly selective detection of nitrite in food substrates through diazo coupling reaction. Food Chem 2024; 463:141213. [PMID: 39270494 DOI: 10.1016/j.foodchem.2024.141213] [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: 07/19/2024] [Revised: 09/01/2024] [Accepted: 09/08/2024] [Indexed: 09/15/2024]
Abstract
As an antioxidant and preservative agent, nitrite (NO2-) plays an essential role in the food industry to maintain freshness or inhibit microbial growth. However, excessive addition of NO2- is detrimental to health, so accurate and portable detection of NO2- is critical for food quality control. Notably, the selectivity of most carbon dots (CDs)-based fluorescence sensors was not enough due to the nonspecific interaction mechanism of hydrogen bond, electrostatic interaction and inner filter effect etc. Herein, a novel fluorescence/UV-vis absorption (FL/UV-vis) dual-mode sensor was developed on basis of mC-CDs, which were prepared by simple solvothermal treatment of m-Phenylenediamine (m-PDA) and cyanidin cation (CC). The fluorescence of these mC-CDs could be selectively responded by NO2- through the specific diazo coupling reaction between NO2- and amino groups on the surface of mC-CDs, thus effectively improving the selectivity of NO2- detection. The CDs-based fluorescence sensor possessed a low detection limit of 0.091 μM and 0.143 μM for FL and UV-vis methods and the excellent linear range of 0.0-60.0 μM. Furthermore, the mC-CDs sensor was employed to detect NO2- in real samples with a recovery rate of 97.11 %-104.15 % for quantitative addition. Moreover, the smartphone-assisted fluorescence sensing platform developed could identify the subtle color changes that could not be distinguished by the naked eye, and had the advantages of fast detection speed and intelligence. More importantly, the portable solid phase sensor based on mC-CDs had been successfully applied to the specific fluorescence identification and concentration monitoring of NO2-. Accordingly, the designed sensor provided a new strategy for the highly selective and convenient sensing of NO2- in food substrates, and paved the way for the wide application of CDs-based nanomaterials in the detection of food safety.
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Affiliation(s)
- Xiangyu Yin
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Chenzhao Wang
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Shanshan Wei
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Min Liu
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Kaixin Hu
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Xuewei Song
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China
| | - Guoying Sun
- School of Chemistry and Life Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China; Advanced Institute of Materials Science, Changchun University of Technology, 2055 Yanan Street, Changchun 130012, PR China.
| | - Lehui Lu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, PR China.
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7
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Liu C, Gao S, Han X, Tian Y, Ma J, Wang W, Chen XW, Chen ML, Zhang Y. A violet light-emitting diode-based gas-phase molecular absorption device for measurement of nitrate and nitrite in environmental water. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 317:124423. [PMID: 38759395 DOI: 10.1016/j.saa.2024.124423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 04/24/2024] [Accepted: 05/06/2024] [Indexed: 05/19/2024]
Abstract
A simple and sensitive device for the detection of nitrite and nitrate in environmental waters was developed based on visible light gas-phase molecular absorption spectrometry. By integrating a detection cell (DC), semiconductor refrigeration temperature-controlling system (SRTCY), and nitrite reactor into a sequential injection analysis system, trace levels of nitrite and nitrate in complex matrices were successfully measured. A low energy-consuming light-emitting diode (violet, 400-405 nm) was coupled with a visible light-to-voltage converter (TSL257) to measure the gas-phase molecular absorption. To reduce the interference of water vapor, an SRTCY was used to condense the water vapor on-line before the gas-phase analyte entered the DC. The DC was radiatively heated by the SRTCY to avoid water vapor condensation in the light path. As a result, the obtained baseline noise reduced 3.75 times than that of without SRTCY. Under the optimized conditions, the device achieved limits of detection (3σ/k) of 0.055 and 0.36 mmol/L (0.77 and 5.04 mg N/L) for nitrite and nitrate, respectively, and the linear calibration ranges were 0.1-15 mmol/L (R2 = 0.9946) and 1-10 mmol/L (R2 = 0.9995), respectively. Precisions of 5.2 % and 9.0 % were achieved for ten successive determinations of 0.3 mmol/L nitrite and 1.0 mmol/L nitrate, and the analytical times for nitrite and nitrate determination were 5 and 13 min, respectively. This method was validated against standard methods and recovery tests, and it was applied to the measurement of nitrite and nitrate in environmental waters. Moreover, a device was designed to enable the field measurement of nitrite and nitrate in complex matrices.
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Affiliation(s)
- Chuanyu Liu
- School of Environmental & Municipal Engineering, Qingdao University of Technology, Qingdao 266033, China
| | - Shuo Gao
- School of Environmental & Municipal Engineering, Qingdao University of Technology, Qingdao 266033, China
| | - Xiaoxuan Han
- Research Center for Analytical Sciences, and Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China
| | - Yong Tian
- School of Environmental & Municipal Engineering, Qingdao University of Technology, Qingdao 266033, China.
| | - Jiping Ma
- School of Environmental & Municipal Engineering, Qingdao University of Technology, Qingdao 266033, China
| | - Weiliang Wang
- School of Environmental & Municipal Engineering, Qingdao University of Technology, Qingdao 266033, China
| | - Xu-Wei Chen
- Research Center for Analytical Sciences, and Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China
| | - Ming-Li Chen
- Research Center for Analytical Sciences, and Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China
| | - Yanfeng Zhang
- Intelligent Policing Key Laboratory of Sichuan Province, Luzhou 646000, China.
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8
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Heng C, He B, Wang L. A Dual-mode Ratiometric Fluorometric and Colorimetric Platform Based on Nitrogen-doped Carbon Dots and o-phenylenediamine for the Detection of Nitrite. J Fluoresc 2024; 34:2157-2167. [PMID: 37713014 DOI: 10.1007/s10895-023-03432-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 09/05/2023] [Indexed: 09/16/2023]
Abstract
In this study, a dual-mode ratiometric fluorometric and colorimetric platform for the determination of nitrite in pickles was proposed by exquisitely employing the fact that non-fluorescent o-Phenylenediamine (OPD) was oxidized by nitrite under acidic conditions to form fluorescent 2,3-diaminophenazine (DAP) (Em = 575), which meanwhile quench the fluorescent nitrogen-doped carbon dots (N-CDs) at 455 nm, the ratio of fluorescence intensity of DAP to N-CDs (F575/F455) changed with the increase of nitrite accompanied by visible color changes. Thus, nitrite can be quantitatively detected within a wide linear range (10-500 µM) with a low detection limit of 0.45 µM due to the high quantum yield of 39.7% of N-CDs. In addition, the colour of the N-CDs/OPD system changed from transparent to yellow when the nitrite was introduced, enabling colorimetric and on-site visual detection. The detection limit of the colorimetric method was 3.03 µM with a linear range of 10-500 µM. The proposed ratiometric fluorometric method has pleasant selectivity and good immunity to interference.
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Affiliation(s)
- Chendi Heng
- Department of Applied Chemistry, College of Food Science and Biotechnology, Zhejiang Gongshang University, Xiasha University Town, No.18, Xuezheng St, Hangzhou, 310018, China
| | - Bowen He
- Department of Applied Chemistry, College of Food Science and Biotechnology, Zhejiang Gongshang University, Xiasha University Town, No.18, Xuezheng St, Hangzhou, 310018, China
| | - Li Wang
- Department of Applied Chemistry, College of Food Science and Biotechnology, Zhejiang Gongshang University, Xiasha University Town, No.18, Xuezheng St, Hangzhou, 310018, China.
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9
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Cheng C, Chen H, Chen X, Lu M. A Simultaneous Calibration and Detection Strategy for Electrochemical Sensing with High Accuracy in Complex Water. ACS Sens 2024; 9:3986-3993. [PMID: 39078137 DOI: 10.1021/acssensors.4c00759] [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] [Indexed: 07/31/2024]
Abstract
The electrochemical sensors loaded with nanomaterials have exhibited a great sensitivity. Nonetheless, the field detection for complex waterbodies can be affected by cross-sensitivity, environmental conditions such as temperature and pH value, as well as the relatively low reproducibility and stability of nanomaterials. In this paper, a simultaneous calibration and detection (SCD) strategy is proposed to introduce a simultaneous and precise calibration during field electrochemical detection, which is composed of a linear regression algorithm and a compact electrochemical sensor containing a series of identical sensing cells. This design can significantly mitigate cross-sensitivity in complex water and the inconsistency of sensing materials. Applied in the NO2- detection for practical waterbodies, the SCD strategy has exhibited a relative error of no more than 9.6% for the measurement compared to the results obtained by the standard Griess method and higher accuracy than the normal electrochemical method. The SCD strategy is independent of sensing materials, indicating that it can be widely applied to various detections by just switching the corresponding sensing material.
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Affiliation(s)
- Chu Cheng
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen 361005, China
| | - Hongyu Chen
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen 361005, China
| | - Xinyi Chen
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen 361005, China
| | - Miao Lu
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen 361005, China
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10
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Qin J, Guo N, Yang J, Wei J. Recent advances in metal oxide nanozyme-based optical biosensors for food safety assays. Food Chem 2024; 447:139019. [PMID: 38520903 DOI: 10.1016/j.foodchem.2024.139019] [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: 12/04/2023] [Revised: 03/08/2024] [Accepted: 03/10/2024] [Indexed: 03/25/2024]
Abstract
Metal oxide nanozymes are emerging as promising materials for food safety detection, offering several advantages over natural enzymes, including superior stability, cost-effectiveness, large-scale production capability, customisable functionality, design options, and ease of modification. Optical biosensors based on metal oxide nanozymes have significantly accelerated the advancement of analytical research, facilitating the rapid, effortless, efficient, and precise detection and characterisation of contaminants in food. However, few reviews have focused on the application of optical biosensors based on metal oxide nanozymes for food safety detection. In this review, the catalytic mechanisms of the catalase, oxidase, peroxidase, and superoxide dismutase activities of metal oxide nanozymes are characterized. Research developments in optical biosensors based on metal oxide nanozymes, including colorimetric, fluorescent, chemiluminescent, and surface-enhanced Raman scattering biosensors, are comprehensively summarized. The application of metal oxide nanozyme-based biosensors for the detection of nitrites, sulphites, metal ions, pesticides, antibiotics, antioxidants, foodborne pathogens, toxins, and other food contaminants has been highlighted. Furthermore, the challenges and future development prospects of metal oxide nanozymes for sensing applications are discussed. This review offers insights and inspiration for further investigations on optical biosensors based on metal oxide nanozymes for food safety detection.
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Affiliation(s)
- Jing Qin
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China.
| | - Ningning Guo
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China
| | - Jia Yang
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China
| | - Jing Wei
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Institute of Analytical Chemistry and Instrument for Life Science, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China.
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11
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Wen Y, Tang C, Shen Q, Dong S, Wang Y, Li Y, Shao S. An efficient ratiometric fluorescence and colorimetric dual-mode probe for convenient determination of nitrite in real samples and E. coli. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:4865-4872. [PMID: 38973349 DOI: 10.1039/d4ay00417e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
Developing an effective and convenient nitrite detection method is indispensable in food safety, environmental monitoring, clinical diagnosis of diseases, and many other areas. Herein, a dicyanoisophorone derivative, TMN-NH2 with large Stokes shift and near-infrared (NIR) emission, was proposed as a ratiometric fluorescence and colorimetric dual-mode probe for the rapid determination of NO2- in acidic media, showing excellent selectivity and high sensitivity. The sensing mechanism is based on the diazotization of TMN-NH2 with NO2- and subsequent diazonium salt hydrolysis to form a hydroxyl-substituted product (TMN-OH). Under the optimized conditions of reaction and detection, a new quantitative analysis method based on TMN-NH2 was established for NO2- detection, exhibiting good linear relationships to NO2- in the range of 0.5 to 15 μM with practical detection limits of 26.6 nM and 17.6 nM for the colorimetric and fluorescent readout, respectively. The quantitative detection of NO2- in real samples demonstrated satisfactory recoveries and repeatability. Moreover, TMN-NH2 was successfully applied for monitoring NO2- in Escherichia coli by confocal fluorescence imaging.
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Affiliation(s)
- Yujie Wen
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, PR China
| | - Cong Tang
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, PR China
| | - Qing Shen
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, PR China
| | - Shuqing Dong
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
| | - Yaya Wang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
| | - Yunchun Li
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
| | - Shijun Shao
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
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12
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Wang Z, Wan Y, Zhang Y, Zhang B, Li M, Jin X, Yang T, Meng G. 3D porous conductive matrix based on phase-transited BSA and covalent coupling-stabilized transition ZnS-CNT for antifouling and on-site detection of nitrite in soil. JOURNAL OF HAZARDOUS MATERIALS 2024; 472:134492. [PMID: 38703687 DOI: 10.1016/j.jhazmat.2024.134492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 05/06/2024]
Abstract
Nitrite plays a critical role in a variety of nitrification and denitrification processes in the nitrogen cycle. Due to the high surface energy, tendency to aggregate, and poor conductivity, current nitrite ZnS-based sensing platform could not meet the need of on-site nitrite detection in smart agriculture. In order to address these issues, the carboxylated carbon nanotube (CNT) was introduced to reduce the surface energy and prevented aggregation of ZnS, while ZnS-carboxylated CNT (ZnS-CNT) composite also provided excellent electrochemical conductivity. Furthermore, the introduction of phase transition BSA (PTB) created a three-dimensional porous conductive matrix without interfering with the mass transfer process of nitrite. The resulting sensing platform exhibited a linear detection range of 10 nM to 0.4 mM for nitrite, with a detection limit of 0.73 nM. And this sensing platform had the excellent antifouling ability to direct detection nitrite in real soil suspension. In addition, the sensing platform demonstrated remarkable resistance to interferences from pH variations, microbial presence, and organic pollutants that usually present in soil environment. Therefore, on-site detection of nitrite ions in soil environment was realized no needing complex pretreatments.
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Affiliation(s)
- Zhenhao Wang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, PR China; BYD Co Ltd, Shenzhen 518122, PR China
| | - Yu Wan
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, PR China
| | - Yu Zhang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, PR China
| | - Ben Zhang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, PR China
| | - Mubing Li
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, PR China
| | - Xi Jin
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, PR China
| | - Tao Yang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, PR China.
| | - Guozhe Meng
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, PR China.
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13
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Zhang X, Zhao Y, Wang Y, Qian H, Xing J, Joseph A, Rene ER, Li J, Zhu N. The interplay of hematite and photic biofilm triggers the acceleration of biotic nitrate removal. CHEMOSPHERE 2024; 358:142136. [PMID: 38692363 DOI: 10.1016/j.chemosphere.2024.142136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 05/03/2024]
Abstract
The soil-water interface is replete with photic biofilm and iron minerals; however, the potential of how iron minerals promote biotic nitrate removal is still unknown. This study investigates the physiological and ecological responses of photic biofilm to hematite (Fe2O3), in order to explore a practically feasible approach for in-situ nitrate removal. The nitrate removal by photic biofilm was significantly higher in the presence of Fe2O3 (92.5%) compared to the control (82.8%). Results show that the presence of Fe2O3 changed the microbial community composition of the photic biofilm, facilitates the thriving of Magnetospirillum and Pseudomonas, and promotes the growth of photic biofilm represented by the extracellular polymeric substance (EPS) and the content of chlorophyll. The presence of Fe2O3 also induces oxidative stress (•O2-) in the photic biofilm, which was demonstrated by electron spin resonance spectrometry. However, the photic biofilm could improve the EPS productivity to prevent the entrance of Fe2O3 to cells in the biofilm matrix and mitigate oxidative stress. The Fe2O3 then promoted the relative abundance of Magnetospirillum and Pseudomonas and the activity of nitrate reductase, which accelerates nitrate reduction by the photic biofilm. This study provides an insight into the interaction between iron minerals and photic biofilm and demonstrates the possibility of combining biotic and abiotic methods to improve the in-situ nitrate removal rate.
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Affiliation(s)
- Xiguo Zhang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China
| | - Yanhui Zhao
- Changjiang Basin Ecology and Environment Monitoring and Scientific Research Center, Changjiang Basin Ecology and Environment Administration, Ministry of Ecology and Environment, Wuhan, 430010, China
| | - Yimin Wang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China
| | - Haoliang Qian
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China
| | - Jun Xing
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China
| | - Akaninyene Joseph
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China
| | - Eldon R Rene
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX, Delft, the Netherlands
| | - Jizhou Li
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China
| | - Ningyuan Zhu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China; Institute of Soil Sciences, Chinese Academy of Sciences, 71 East Beijing Road, 210008, China.
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14
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Li Y, Zhang Y, Javed R, Li R, Zhao H, Liu X, Zhang C, Cao H, Ye D. Nonmetal catalyst boosting amplification of both colorimetric and electrochemical signal for multi-mode nitrite sensing. Food Chem 2024; 441:138315. [PMID: 38181667 DOI: 10.1016/j.foodchem.2023.138315] [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: 06/02/2023] [Revised: 12/14/2023] [Accepted: 12/26/2023] [Indexed: 01/07/2024]
Abstract
Recently, nanozymes as an outstanding alternative to natural enzymes has attracted wide attention because of its high stability performance. In this study, PNC nonmetal nanozymes with high oxidase-like activity was synthesized can specifically catalyze colorless 3,3,5,5-tetramethyl-benzidine(TMB) to form blue oxidized TMB (TMBox). In the presence of nitrite, it further oxidizes TMBox to obtain yellow derivative products attributed to nitrite inducing diazotization reaction in TMBox. Based on this principle, a colorimetric and electrochemical sensing system was developed, and the ultra-sensitive multi-mode detection of nitrite was realized by combining RGB mode of smart phone, UV-Vis spectrum and electrochemical method. Compared with single signal detection, the multi-mode sensing system can realize self-validation to achieve more reliable detection results. What's more, the developed multi-mode sensing could quickly and sensitively detect nitrite in real sample, especially RGB mode of smart phone meeting the equipment limited areas, suggesting a broad application prospects in food safety.
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Affiliation(s)
- Ying Li
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Yuyang Zhang
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Rida Javed
- Institute for Sustainable Energy, Materials Science and Engineering, College of Sciences, Shanghai University, Shanghai 200444, PR China
| | - Rui Li
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Hongbin Zhao
- Institute for Sustainable Energy, Materials Science and Engineering, College of Sciences, Shanghai University, Shanghai 200444, PR China
| | - Xing Liu
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Chenghui Zhang
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China; Hainan Institute for Food Control, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Haikou 570314, PR China
| | - Hongmei Cao
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China; Hainan Institute for Food Control, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Haikou 570314, PR China.
| | - Daixin Ye
- Institute for Sustainable Energy, Materials Science and Engineering, College of Sciences, Shanghai University, Shanghai 200444, PR China.
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15
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da Ascenção WD, Augusto CC, de Melo VHS, Batista BL. A Simple, Ecofriendly, and Fast Method for Nitrate Quantification in Bottled Water Using Visible Spectrophotometry. TOXICS 2024; 12:383. [PMID: 38922063 PMCID: PMC11209534 DOI: 10.3390/toxics12060383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/16/2024] [Accepted: 05/20/2024] [Indexed: 06/27/2024]
Abstract
There are many works associating the presence of nitrate in water and the occurrence of cancer in humans. The most common method for quantifying nitrate in water is based on the use of toxic cadmium as a reductant. In this work, a new approach was developed for the quantification of nitrate in bottled water with indirect spectrophotometry using Zn0 as a reductant. Nitrate is reduced to nitrite using Zn0 in a buffered medium (acetate/acetic acid) and quantified with visible spectrophotometry using the Griess reaction between sulfanilamide and N-(1-naphthyl)-ethylenediamine. The influence of pH, buffer solution (constitution and concentration), Zn0 (mass and granulometry), and agitation time on the efficiency of nitrite generation was evaluated. The optimal conditions were an acetate-acetic acid buffer solution with a concentration and pH of 0.75 mol L-1 and 6.00, respectively, and a Zn0 particle size of 20 MESH and Zn0 mass of 300 mg. The limits of detection and quantification (LoD and LoQ) were 0.024 and 0.08 mg L-1, respectively. The method's accuracy and precision were evaluated using the analysis of commercial bottled water. In conclusion, the use of Zn0 instead of cadmium provided a green method with excellent LoD/LoQ. Further, the method proved to be simple and easy to apply during outdoor analysis.
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Affiliation(s)
- Wellington Diego da Ascenção
- Federal University of ABC (UFABC), Dean of Undergraduate Studies, 5001 Avenida dos Estados Avenue, Santo André 09210580, SP, Brazil; (W.D.d.A.); (V.H.S.d.M.)
| | - Caroline Cristine Augusto
- Center for Natural and Human Sciences, Federal University of ABC (CCNH/UFABC), 5001 Avenida dos Estados Avenue, Santo André 09210580, SP, Brazil;
| | - Vitor Hugo Soares de Melo
- Federal University of ABC (UFABC), Dean of Undergraduate Studies, 5001 Avenida dos Estados Avenue, Santo André 09210580, SP, Brazil; (W.D.d.A.); (V.H.S.d.M.)
| | - Bruno Lemos Batista
- Center for Natural and Human Sciences, Federal University of ABC (CCNH/UFABC), 5001 Avenida dos Estados Avenue, Santo André 09210580, SP, Brazil;
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16
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Liang M, Gao Y, Sun X, Kong RM, Xia L, Qu F. Metal-organic framework-based ratiometric point-of-care testing for quantitative visual detection of nitrite. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:134021. [PMID: 38490146 DOI: 10.1016/j.jhazmat.2024.134021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/03/2024] [Accepted: 03/11/2024] [Indexed: 03/17/2024]
Abstract
Nitrite (NO2-) is categorized as a carcinogenic substance and is subjected to severe limitations in water and food. To safeguard the public's health, developing fast and convenient methods for determination of NO2- is of significance. Point-of-care testing (POCT) affords demotic measurement of NO2- and shows huge potential in future technology beyond those possible with traditional methods. Here, a novel ratiometric fluorescent nanoprobe (Ru@MOF-NH2) is developed by integrating UiO-66-NH2 with tris(2,2'-bipyridyl)ruthenium(II) ([Ru(bpy)3]2+) through a one-pot approach. The special diazo-reaction between the amino group of UiO-66-NH2 and NO2- is responsible for the report signal (blue emission) with high selectivity and the red emission from [Ru(bpy)3]2+ offers the reference signal. The proposed probe shows obviously distinguishable color change from blue to red towards NO2- via naked-eye. Moreover, using a smartphone as the detection device to read color hue, ultra-sensitive quantitative detection of NO2- is achieved with a low limit of detection at 0.6 μΜ. The accuracy and repeatability determined in spiked samples through quantitative visualization is in the range of 105 to 117% with a coefficient of variation below 4.3%. This POCT sensing platform presents a promising strategy for detecting NO2- and expands the potential applications for on-site monitoring in food and environment safety assessment.
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Affiliation(s)
- Maosheng Liang
- Chemistry and Chemical Engineering College, Qufu Normal University, Qufu, Shandong 273165, PR China
| | - Yifan Gao
- Chemistry and Chemical Engineering College, Qufu Normal University, Qufu, Shandong 273165, PR China
| | - Xiaoling Sun
- Chemistry and Chemical Engineering College, Qufu Normal University, Qufu, Shandong 273165, PR China
| | - Rong-Mei Kong
- Chemistry and Chemical Engineering College, Qufu Normal University, Qufu, Shandong 273165, PR China
| | - Lian Xia
- Chemistry and Chemical Engineering College, Qufu Normal University, Qufu, Shandong 273165, PR China.
| | - Fengli Qu
- Chemistry and Chemical Engineering College, Qufu Normal University, Qufu, Shandong 273165, PR China
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17
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Zhao Q, Dong J, Li S, Lei W, Liu A. Effects of micro/nano-ozone bubble nutrient solutions on growth promotion and rhizosphere microbial community diversity in soilless cultivated lettuces. FRONTIERS IN PLANT SCIENCE 2024; 15:1393905. [PMID: 38665368 PMCID: PMC11043558 DOI: 10.3389/fpls.2024.1393905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024]
Abstract
Due to its high efficacy as a wide-spectrum disinfectant and its potential for the degradation of pollutants and pesticides, ozone has broad application prospects in agricultural production. In this study, micro/nano bubble technology was applied to achieve a saturation state of bubble nutrient solution, including micro-nano oxygen (O2 group) and micro-nano ozone (O3 group) bubble nutrient solutions. The effects of these solutions on lettuce physiological indices as well as changes in the microbial community within the rhizosphere substrate were studied. The application of micro/nano (O2 and O3) bubble nutrient solutions to substrate-cultured lettuce plants increased the amount of dissolved oxygen in the nutrient solution, increased the lettuce yield, and elevated the net photosynthetic rate, conductance of H2O and intercellular carbon dioxide concentration of lettuce plants. Diversity analysis of the rhizosphere microbial community revealed that both the abundance and diversity of bacterial and fungal communities in the substrate increased after plant cultivation and decreased following treatment with micro/nanobubble nutrient solutions. RDA results showed that the microbial community in the S group was positively associated with EC, that in the CK and O2 groups exhibited a positive correlation with SC, and that in the O3 group displayed a positive correlation with CAT and POD. Overall, the implementation of micro/nanobubble generation technology in soilless substrates can effectively increase the lettuce growth and yield, and O3 had a more pronounced effect on lettuce yield and quality and the microbial community structure in the substrate than O2. Our study would provide a reference and theoretical basis for developing sustainable and green technology for promoting lettuce production and can be a promising alternative to conventional methods for improving crop yields.
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Affiliation(s)
| | | | | | | | - Ake Liu
- Department of Life Sciences, Changzhi University, Changzhi, China
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18
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Deng S, Liu J, Han D, Yang X, Liu H, Zhang C, Blecker C. Synchronous fluorescence detection of nitrite in meat products based on dual-emitting dye@MOF and its portable hydrogel test kit. JOURNAL OF HAZARDOUS MATERIALS 2024; 463:132898. [PMID: 37939561 DOI: 10.1016/j.jhazmat.2023.132898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/07/2023] [Accepted: 10/29/2023] [Indexed: 11/10/2023]
Abstract
A novel ratiometric fluorescent nanoprobe (Rh6G@UIO-66-NH2) was fabricated for efficient nitrite (NO2-) detection in the present study. When NO2- was introduced, it interacted with the amino groups on the surface of Rh6G@UIO-66-NH2, forming diazonium salts that led to the quenching of blue fluorescence. With this strategy, a good linear relationship between NO2- concentration and the fluorescent intensity ratio of the nanoprobe in the range of 1-100 μM was established, with a detection limit of 0.021 μM. This dual-readout nanosensor was applied to analyze the concentration of NO2- in real meat samples, achieving satisfactory recovery rates of 94.72-104.52%, highlighting the practical potential of this method. Furthermore, a portable Gel/Rh6G@UIO-66-NH2 hydrogel test kit was constructed for on-spot dual-mode detection of NO2-. This kit allows for convenient colorimetric analysis and fluorometric detection when used in conjunction with a smartphone. All the photos taken with the portable kit was converted into digital information using ImageJ software. It provides colorimetric and fluorescent visual detection of NO2- over a range of 0.1-1.5 mM, achieving a direct quantitative tool for NO2- identification. This methodology presents a promising strategy for NO2- detection and expands the application prospects for on-spot monitoring of food safety assessment.
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Affiliation(s)
- Siyang Deng
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China; University of Liège, Gembloux Agro-Bio Tech, Unit of Food Science and Formulation, Passage des Déportés 2, Gembloux B-5030, Belgium
| | - Junmei Liu
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China; University of Liège, Gembloux Agro-Bio Tech, Unit of Food Science and Formulation, Passage des Déportés 2, Gembloux B-5030, Belgium
| | - Dong Han
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xinting Yang
- Research Center for Information Technology, Beijing Academy of Agricultural and Forestry Sciences, Beijing 100097, China; National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China
| | - Huan Liu
- Research Center for Information Technology, Beijing Academy of Agricultural and Forestry Sciences, Beijing 100097, China; National Engineering Research Center for Information Technology in Agriculture, Beijing 100097, China.
| | - Chunhui Zhang
- Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Christophe Blecker
- University of Liège, Gembloux Agro-Bio Tech, Unit of Food Science and Formulation, Passage des Déportés 2, Gembloux B-5030, Belgium
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19
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Lin K, Wang L, Zhang Y. Smartphone-based detection of nitrate in seawater samples with the resorcinol method: Comparison with the vanadium reduction method. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 304:123366. [PMID: 37696097 DOI: 10.1016/j.saa.2023.123366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 08/17/2023] [Accepted: 09/05/2023] [Indexed: 09/13/2023]
Abstract
The presence of nitrate (NO3-) in the aquatic environment has raised a major concern for scientists and environmental managers. In this study, a smartphone-based resorcinol method was developed for the determination of NO3- in seawater. Simple custom-made devices were used in the method, and the reaction temperature, reaction time, and smartphone camera settings were optimized. Salinity variation did not show any major impact on the determination of NO3- using the proposed method, and hence the incorporation of a correction factor was also not required. The detection limit for this method was observed to be 1.3 µM, and the working range was observed to be 5-60 µM, with a relative standard deviation of 0.7% (5 µM, n = 7), which was adequate for the determination of NO3- in most estuarine and coastal seawater samples. The proposed method was compared with the frequently used vanadium chloride (VCl3) reduction method under the same experimental conditions, and both methods were found to be beneficial. The proposed method procedure was simple and easy to use. It was successfully applied for the determination of NO3- in seawater samples, and the results showed that it was practical and can be used potentially for on-site analysis.
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Affiliation(s)
- Kunning Lin
- Key Laboratory of Global Change and Marine Atmospheric Chemistry, Third Institute of Oceanography, Ministry of Natural Resources, 361005 Xiamen, Fujian, China.
| | - Lianghui Wang
- Key Laboratory of Global Change and Marine Atmospheric Chemistry, Third Institute of Oceanography, Ministry of Natural Resources, 361005 Xiamen, Fujian, China
| | - Yuanbiao Zhang
- Key Laboratory of Global Change and Marine Atmospheric Chemistry, Third Institute of Oceanography, Ministry of Natural Resources, 361005 Xiamen, Fujian, China.
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20
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Ding Z, Zhang L, Xu Z, Xu H, Zheng F, Fu N, Wang L, An M. Isolation of a marine-derived yeast with potential applications in industrial nitrite utilizing. 3 Biotech 2024; 14:29. [PMID: 38178894 PMCID: PMC10761651 DOI: 10.1007/s13205-023-03866-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 11/21/2023] [Indexed: 01/06/2024] Open
Abstract
The nitrite efficient utilization microorganism Wickerhamomyces anomalus RZWP01 was identified. Using nitrite and ammonium as the sole nitrogen source, the nitrogen removal rate of W. anomalus RZWP01 was 97.4% and 87.1%, respectively. W. anomalus RZWP01 grew well in the nitrite medium with glucose or xylose as the only carbon source. However, the W. anomalus RZWP01 cannot live on the nitrite medium with lactose, citric acid, and methanol as the only carbon source. The maximal cell concentration occurred in the nitrite medium with glucose as the only carbon source at a C/N ratio of 20 for 48 h, reaching 8.92 × 108 cell mL-1. W. anomalus RZWP01 was the first reported yeast that can efficiently utilize nitrite. The isolation and identification of W. anomalus RZWP01 enriched the microbial resources of nitrite-degrading microorganisms and provided functional microorganisms for the water treatment of sustainable aquaculture.
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Affiliation(s)
- Zhen Ding
- Department of Marine Technology, Rizhao Polytechnic, Rizhao, 276826 Shandong China
- Joint Research and Development Centre of Biotechnology, RETAD, Rizhao, 276826 China
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237 China
| | - Li Zhang
- Joint Research and Development Centre of Biotechnology, RETAD, Rizhao, 276826 China
| | - Zhongping Xu
- Department of Marine Technology, Rizhao Polytechnic, Rizhao, 276826 Shandong China
| | - Hongli Xu
- Joint Research and Development Centre of Biotechnology, RETAD, Rizhao, 276826 China
| | - Faxin Zheng
- Department of Marine Technology, Rizhao Polytechnic, Rizhao, 276826 Shandong China
| | - Ning Fu
- Department of Marine Technology, Rizhao Polytechnic, Rizhao, 276826 Shandong China
| | - Lushan Wang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, 266237 China
| | - Meiling An
- Department of Marine Technology, Rizhao Polytechnic, Rizhao, 276826 Shandong China
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21
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Mihai MA, Spataru T, Somacescu S, Moga OG, Preda L, Florea M, Kuncser A, Spataru N. Nitrite anodic oxidation at Ni(II)/Ni(III)-decorated mesoporous SnO 2 and its analytical applications. Analyst 2023; 148:6028-6035. [PMID: 37888977 DOI: 10.1039/d3an01249b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Hydrothermally formed mesoporous SnO2 was used as a support for nickel chemical deposition and, after subsequent thermal treatment, a high specific surface area (36 m2 g-1) Ni/SnO2 material was obtained. XPS analysis has shown that in the Sn 3d region the spectrum is similar to that of pristine SnO2, whereas Ni species are present on the surface as NiO, Ni2O3 and Ni(OH)2. Mixing Ni/SnO2 with a small amount of Black Pearls (BP) leads to a significant enhancement of the resulting Ni/SnO2-BP composite activity for nitrite anodic oxidation, presumably due to the higher surface area (115 m2 g-1), to better electrical conductivity and to a certain contribution of the BP to an increase in surface density of the active sites. Ni/SnO2-BP also outperforms pristine BP (in terms of Tafel slopes and electron-transfer rates), most likely due to the fact that the Ni(II)/Ni(III) couple can act as an electrocatalyst for nitrite oxidation. A voltammetric method is proposed for the determination of nitrite, over a concentration range of three orders of magnitude (0.05 to 20 mM), with good reproducibility, high stability and excellent sensitivity. The high upper limit of the dynamic range of the analytically useful response might provide a basis for the reliable quantification of nitrite in wastewater.
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Affiliation(s)
- Marius Alexandru Mihai
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Tanta Spataru
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Simona Somacescu
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Olivia Georgeta Moga
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Loredana Preda
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
| | - Mihaela Florea
- National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania
| | - Andrei Kuncser
- National Institute of Materials Physics, 405A Atomistilor Street, 077125 Magurele, Romania
| | - Nicolae Spataru
- Institute of Physical Chemistry "Ilie Murgulescu", 202 Spl. Independenţei, 060021, Bucharest, Romania.
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22
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Liu G, Guo H, Zhao W, Yan H, Zhang E, Gao L. Advancements in Preprocessing and Analysis of Nitrite and Nitrate since 2010 in Biological Samples: A Review. Molecules 2023; 28:7122. [PMID: 37894601 PMCID: PMC10609401 DOI: 10.3390/molecules28207122] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
As a substance present in organisms, nitrite is a metabolite of nitric oxide and can also be ingested. Nitrate is the metabolite of nitrite. Therefore, it is necessary to measure it quickly, easily and accurately to evaluate the health status of humans. Although there have been several reviews on analytical methods for non-biological samples, there have been no reviews focused on both sample preparation and analytical methods for biological samples. First, rapid and accurate nitrite measurement has significant effects on human health. Second, the detection of nitrite in biological samples is problematic due to its very low concentration and matrix interferences. Therefore, the pretreatment plus measuring methods for nitrite and nitrate obtained from biological samples since 2010 are summarized in the present review, and their prospects for the future are proposed. The treatment methods include liquid-liquid microextraction, various derivatization reactions, liquid-liquid extraction, protein precipitation, solid phase extraction, and cloud point extraction. Analytical methods include spectroscopic methods, paper-based analytical devices, ion chromatography, liquid chromatography, gas chromatography-mass spectrometry, electrochemical methods, liquid chromatography-mass spectrometry and capillary electrophoresis. Derivatization reagents with rapid quantitative reactions and advanced extraction methods with high enrichment efficiency are also included. Nitrate and nitrate should be determined at the same time by the same analytical method. In addition, much exploration has been performed on formulating fast testing through microfluidic technology. In this review, the newest developments in nitrite and nitrate processing are a focus in addition to novel techniques employed in such analyses.
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Affiliation(s)
- Guojie Liu
- Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang 110122, China;
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
| | - Honghui Guo
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
- Forensic Analytical Toxicology Department, School of Forensic Medicine, China Medical University, Shenyang 110122, China
| | - Wanlin Zhao
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
- Forensic Analytical Toxicology Department, School of Forensic Medicine, China Medical University, Shenyang 110122, China
| | - Hongmu Yan
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
- Forensic Analytical Toxicology Department, School of Forensic Medicine, China Medical University, Shenyang 110122, China
| | - Enze Zhang
- First Clinical College, China Medical University, Shenyang 110122, China
| | - Lina Gao
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
- Forensic Analytical Toxicology Department, School of Forensic Medicine, China Medical University, Shenyang 110122, China
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23
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Tusiewicz K, Kuropka P, Workiewicz E, Wachełko O, Szpot P, Zawadzki M. Nitrites: An Old Poison or a Current Hazard? Epidemiology of Intoxications Covering the Last 100 Years and Evaluation of Analytical Methods. TOXICS 2023; 11:832. [PMID: 37888684 PMCID: PMC10611400 DOI: 10.3390/toxics11100832] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 09/22/2023] [Accepted: 09/29/2023] [Indexed: 10/28/2023]
Abstract
In recent times, there has been a concerning and noteworthy rise in the global use of sodium nitrite for suicidal purposes. This is facilitated either through the employment of specialized "suicide kits" or by acquiring sodium nitrite through alternative means. Additionally, another occurrence contributing to nitrite poisoning is the recreational utilization of nitrites in the form of volatile aliphatic esters of nitrous acid, commonly referred to as "poppers". Based on current available papers and reports on the subject of nitrates, nitrites, and poppers intoxications, an epidemiological analysis and evaluation of analytical methods were performed. A total of 128 papers, documenting a collective count of 492 intoxication cases, were identified. Additionally, in order to complete the epidemiological profile of nitrite poisoning, the authors briefly examined six cases of nitrite intoxication that were under investigation in our laboratory. Furthermore, a review of nitrite poisoning cases over the past 100 years shows that the old poison is still in use and poses a substantial risk to society.
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Affiliation(s)
- Kaja Tusiewicz
- Department of Forensic Medicine, Wroclaw Medical University, 4 J. Mikulicza-Radeckiego Street, 50345 Wroclaw, Poland; (K.T.); (P.S.)
| | - Patryk Kuropka
- Institute of Toxicology Research, 45 Kasztanowa Street, 55093 Borowa, Poland; (P.K.); (E.W.)
| | - Elżbieta Workiewicz
- Institute of Toxicology Research, 45 Kasztanowa Street, 55093 Borowa, Poland; (P.K.); (E.W.)
| | - Olga Wachełko
- Institute of Toxicology Research, 45 Kasztanowa Street, 55093 Borowa, Poland; (P.K.); (E.W.)
| | - Paweł Szpot
- Department of Forensic Medicine, Wroclaw Medical University, 4 J. Mikulicza-Radeckiego Street, 50345 Wroclaw, Poland; (K.T.); (P.S.)
| | - Marcin Zawadzki
- Faculty of Medicine, Wroclaw University of Science and Technology, 27 Wybrzeże Wyspiańskiego Street, 50370 Wroclaw, Poland
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Pan Y, Jiang J, Kan X. Diazo-reaction based dual-mode colorimetric-electrochemical sensing of nitrite in pickled food. Analyst 2023; 148:4869-4876. [PMID: 37642153 DOI: 10.1039/d3an01196h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Development of an effective and convenient sensor for sensitive detection of nitrites is of great concern since excessive amounts of nitrites can be harmful to both human health and the environment. In this work, Cu-MOF modified exfoliated graphite paper (EGP) was employed as a signal reporter to enable the visual and electrochemical dual-mode sensing of nitrites. Cu-MOFs were in situ synthesized on EGP, which exhibited an excellent oxidase enzyme-like activity to oxidize 3,3',5,5'-tetramethylbenzidine (TMB) into its oxidation product (oxTMB). The multi-layer structure and the superior electrical conductivity of EGP not only facilitated the loading of the Cu-MOF nanozyme for colorimetric sensing but also enabled its use as an underlying backbone to support electroanalysis. Based on the recognition of nitrite through a highly specific diazo reaction between nitrite and oxTMB, the addition of nitrite caused the colorimetric sensing solution to change color from blue to green, which allowed for the colorimetric sensing of nitrite with a limit of detection (LOD) of 8.5 × 10-6 mol L-1. Meanwhile, the Cu-MOF/EGP electrochemical platform was employed for ratiometric detection of nitrite based on the electrochemical oxidation of nitrite and TMB. Compared with the colorimetric mode, the electrochemical mode possessed higher sensitivity with a LOD of 5.4 × 10-7 mol L-1, indicating the high sensitivity and accuracy of the proposed dual-mode sensing strategy. Furthermore, the determination of nitrite in different pickled food samples is demonstrated.
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Affiliation(s)
- Yixin Pan
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
- The Key Laboratory of Functional Molecular Solids, Ministry of Education; Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, China.
| | - Jing Jiang
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
- The Key Laboratory of Functional Molecular Solids, Ministry of Education; Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, China.
| | - Xianwen Kan
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
- The Key Laboratory of Functional Molecular Solids, Ministry of Education; Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, China.
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25
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Li H, Cui Y, Wang F, Li J, Wu D, Fan J. Performance and microbial community analysis on nitrate removal in a bioelectrochemical reactor. PLoS One 2023; 18:e0290660. [PMID: 37708197 PMCID: PMC10501573 DOI: 10.1371/journal.pone.0290660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 08/13/2023] [Indexed: 09/16/2023] Open
Abstract
In this experiment, we took reflux sludge, sludge from an aeration tank, and soil from roots as microbial inoculating sources for an electrochemical device for denitrification with high-throughput sequencing on cathodic biofilms. The efficiency of nitrate nitrogen removal using different microbial inoculates varied among voltages. The optimal voltages for denitrification of reflux sludge, aeration tank sludge, and root soil were 0.7V, 0.5V, and 0.5V, respectively. Further analysis revealed that the respective voltages had a significant effect upon microbial growth from the respective inoculates. Proteobacteria and Firmicutes were the main denitrifying microbes. With the addition of low current (produced by the applied voltage), the Chao1, Shannon and Simpson indexes of the diversity of microorganisms in soil inoculation sources increased, indicating that low current can increase the diversity and richness of the microorganisms, while the reflux sludge and aeration tank sludge showed different changes. Low-current stimulation decreased microbial diversity to a certain extent. Pseudomonas showed a trend of decline with increasing applied voltage, in which the MEC (microbial electrolysis cell) of rhizosphere soil as inoculates decreased most significantly from 77.05% to 12.58%, while the MEC of Fusibacter showed a significant increase, and the sludge of reflux sludge, aeration tank and rhizosphere soil increased by 31.12%, 18.7% and 34.6%, respectively. The applied voltage also significantly increased the abundance of Azoarcus in communities from the respective inoculates.
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Affiliation(s)
- Han Li
- School of Environment, Henan Normal University, Xinxiang, Henan, P. R. China
- School of Resource and Environmental Sciences, Henan Institute of Science and Technology, Xinxiang, Henan, P.R. China
- Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Xinxiang, Henan, P. R. China
- Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan, P. R. China
| | - Ying Cui
- School of Resource and Environmental Sciences, Henan Institute of Science and Technology, Xinxiang, Henan, P.R. China
| | - Fei Wang
- School of Resource and Environmental Sciences, Henan Institute of Science and Technology, Xinxiang, Henan, P.R. China
| | - Jinghua Li
- School of Environment, Henan Normal University, Xinxiang, Henan, P. R. China
- Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Xinxiang, Henan, P. R. China
- Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan, P. R. China
| | - Dafu Wu
- School of Resource and Environmental Sciences, Henan Institute of Science and Technology, Xinxiang, Henan, P.R. China
| | - Jing Fan
- School of Environment, Henan Normal University, Xinxiang, Henan, P. R. China
- Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Xinxiang, Henan, P. R. China
- Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan, P. R. China
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26
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Uddin R, Islam GMR, Uddin MZ, Thakur MU. Development and validation of an effective and sensitive technique for nitrate determination in fruits and vegetables using HPLC/PDA. BMC Chem 2023; 17:105. [PMID: 37620944 PMCID: PMC10463336 DOI: 10.1186/s13065-023-01008-y] [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: 03/08/2023] [Accepted: 08/01/2023] [Indexed: 08/26/2023] Open
Abstract
This study aims to develop an effective and sensitive HPLC (High Performance Liquid Chromatography) method to determine the nitrate concentration in fruits and vegetables (F & V) using a C18 column (ZORBAX Eclipse XDB-C18, 80Å, 250 × 4.6 mm, 5 μm (Agilent Technologies)) maintained at 40 0 C, a mobile phase made up of methanol and buffer (pentane sulfonic acid sodium salt solution), and a Photo Diode Array Detector (PDA) at 225 nm. The developed method is validated in terms of selectivity, linearity, accuracy, precision, suitability, the limit of detection (LOD), and the limit of quantification (LOQ) according to the European Union Decision 2002/657/EC. The result revealed that a ratio of 30: 70 of the organic modifier methanol and buffer with pH 2.8 shows the highest efficiency. The calibration curve shows linearity with a correlation coefficient (r) of 0.9985. The LOD and LOQ were found to be 2.26 mg/kg and 7.46 mg/kg. The recovery was in the range of 98.96-100.21%. Moreover, the greenness assessment scores of different approaches (eco-scale score of 76, AGREE score of 0.71, and few red shades in GAPI portray) were at a very excellent level. Thus, our developed method is fully validated and can determine the nitrate content in F & V.
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Affiliation(s)
- Rayhan Uddin
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh
| | - G M Rabiul Islam
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh.
| | | | - Mostak Uddin Thakur
- Department of Analytical Chemistry and Environmental Science, Training Institute for Chemical Industries, Narsingdi, 1611, Bangladesh
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27
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Lal K, Jaywant SA, Arif KM. Electrochemical and Optical Sensors for Real-Time Detection of Nitrate in Water. SENSORS (BASEL, SWITZERLAND) 2023; 23:7099. [PMID: 37631636 PMCID: PMC10457996 DOI: 10.3390/s23167099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 08/06/2023] [Accepted: 08/06/2023] [Indexed: 08/27/2023]
Abstract
The health and integrity of our water sources are vital for the existence of all forms of life. However, with the growth in population and anthropogenic activities, the quality of water is being impacted globally, particularly due to a widespread problem of nitrate contamination that poses numerous health risks. To address this issue, investigations into various detection methods for the development of in situ real-time monitoring devices have attracted the attention of many researchers. Among the most prominent detection methods are chromatography, colorimetry, electrochemistry, and spectroscopy. While all these methods have their pros and cons, electrochemical and optical methods have emerged as robust and efficient techniques that offer cost-effective, accurate, sensitive, and reliable measurements. This review provides an overview of techniques that are ideal for field-deployable nitrate sensing applications, with an emphasis on electrochemical and optical detection methods. It discusses the underlying principles, recent advances, and various measurement techniques. Additionally, the review explores the current developments in real-time nitrate sensors and discusses the challenges of real-time implementation.
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Affiliation(s)
| | | | - Khalid Mahmood Arif
- Department of Mechanical and Electrical Engineering, SF&AT, Massey University, Auckland 0632, New Zealand; (K.L.); (S.A.J.)
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28
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Guo Y, Wang R, Wei C, Li Y, Fang T, Tao T. Carbon quantum dots for fluorescent detection of nitrite: A review. Food Chem 2023; 415:135749. [PMID: 36848836 DOI: 10.1016/j.foodchem.2023.135749] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 01/31/2023] [Accepted: 02/17/2023] [Indexed: 02/22/2023]
Abstract
NO2- is commonly found in foods and the environment, and excessive intake of NO2- poses serious hazards to human health. Thus, rapid and accurate assay of NO2- is of considerable significance. Traditional instrumental approaches for detection of NO2- faced with limitations of expensive instruments and complicated operations. Current gold standards for sensing NO2- are Griess assay and 2,3-diaminonaphthalene assay, which suffer from slow detection kinetics and bad water solubility. The newly emerged carbon quantum dots (CQDs) exhibit integrated merits including easy fabrication, low-cost, high quantum yield, excellent photostability, tunable emission behavior, good water solubility and low toxicity, which make CQDs be widely applied to fluorescent assay of NO2-. In this review, synthetic strategies of CQDs are briefly presented. Advances of CQDs for fluorescent detection of NO2- are systematically highlighted. Lastly, the challenges and perspectives in the field are discussed.
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Affiliation(s)
- Yongming Guo
- School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Ruiqing Wang
- School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Chengwei Wei
- School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Yijin Li
- Reading Academy, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Tiancheng Fang
- School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Tao Tao
- School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, Nanjing 210044, China.
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29
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Sztupecki W, Rhazi L, Depeint F, Aussenac T. Functional and Nutritional Characteristics of Natural or Modified Wheat Bran Non-Starch Polysaccharides: A Literature Review. Foods 2023; 12:2693. [PMID: 37509785 PMCID: PMC10379113 DOI: 10.3390/foods12142693] [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: 04/30/2023] [Revised: 06/27/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Wheat bran (WB) consists mainly of different histological cell layers (pericarp, testa, hyaline layer and aleurone). WB contains large quantities of non-starch polysaccharides (NSP), including arabinoxylans (AX) and β-glucans. These dietary fibres have long been studied for their health effects on management and prevention of cardiovascular diseases, cholesterol, obesity, type-2 diabetes, and cancer. NSP benefits depend on their dose and molecular characteristics, including concentration, viscosity, molecular weight, and linked-polyphenols bioavailability. Given the positive health effects of WB, its incorporation in different food products is steadily increasing. However, the rheological, organoleptic and other problems associated with WB integration are numerous. Biological, physical, chemical and combined methods have been developed to optimise and modify NSP molecular characteristics. Most of these techniques aimed to potentially improve food processing, nutritional and health benefits. In this review, the physicochemical, molecular and functional properties of modified and unmodified WB are highlighted and explored. Up-to-date research findings from the clinical trials on mechanisms that WB have and their effects on health markers are critically reviewed. The review points out the lack of research using WB or purified WB fibre components in randomized, controlled clinical trials.
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Affiliation(s)
| | | | | | - Thierry Aussenac
- Institut Polytechnique Unilasalle, Université d’Artois, ULR 7519, 60026 Beauvais, France; (W.S.); (L.R.); (F.D.)
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30
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Hao X, Shen A, Li M, Duan R, Hou L, Zhao X, Li Z, Zhao Y, Zhang P, Wang X, Li X, Yang Y. Simple method for visual detection of nitrite using fluorescence and colorimetry by poly (tannic acid) nanoparticles. Anal Chim Acta 2023; 1263:341280. [PMID: 37225329 DOI: 10.1016/j.aca.2023.341280] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 04/24/2023] [Indexed: 05/26/2023]
Abstract
The nitration reaction of nitrite and phenolic substances was first used to identify and detect NO2- by taking fluorescent poly (tannic acid) nanoparticles (FPTA NPs) as sensing platform. With the low cost, good biodegradable and convenient water-soluble FPTA NPs, a fluorescent and colorimetric dual modes detecting assay was realized. In fluorescent mode, the linear detection range of NO2- was 0-36 μM, the LOD was as low as 3.03 nM, and the response time was 90 s. In colorimetric mode, the linear detection range of NO2- was 0-46 μM, and the LOD was as low as 27 nM. Besides, a smartphone with FPTA NPs@ agarose hydrogel formed a portable detection platform to test the fluorescent and visible color changes of FPTA NPs for NO2- sensing as well as for accurate visualization and quantitative detection of NO2- in actual water and food samples.
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Affiliation(s)
- Xiaohui Hao
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Ao Shen
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Mengwen Li
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Ruochen Duan
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Lala Hou
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Xiuqing Zhao
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Ziqi Li
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Yongwei Zhao
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Panqing Zhang
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Xuebing Wang
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Xue Li
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Yunxu Yang
- Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
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31
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Shabani H, Dezhpour A, Jafari S, Moghaddam MJM, Nilkar M. Antimicrobial activity of cold atmospheric-pressure argon plasma combined with chicory (Cichorium intybus L.) extract against P. aeruginosa and E. coli biofilms. Sci Rep 2023; 13:9441. [PMID: 37296178 PMCID: PMC10256777 DOI: 10.1038/s41598-023-35906-x] [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: 04/03/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
The present study reports a significant combined antibacterial activity of Cichorium intybus L. (known as Chicory) natural extract with cold atmospheric-pressure argon plasma treatment against multi-drug resistant (MDR) Gram-negative bacteria. To detect reactive species that are generated in the argon plasma, optical emission spectra were recorded. The molecular bands were allocated to the hydroxyl radicals (OH) and neutral nitrogen molecules (N2). Moreover, the atomic lines form the emitted spectra were determined to argon atoms (Ar) and the oxygen atoms (O), respectively. The results revealed that Chicory extract treatment at a concentration of 0.043 g/ml reduced the metabolic activity of P. aeruginosa cells by 42%, while, a reduced metabolic activity of 50.6% was found for E. coli biofilms. Moreover, the combination of Chicory extract with 3 min Ar-plasma introduced a synergistic effect, so that it exhibited a significantly reduced metabolic activity of P. aeruginosa to 84.1%, and E. coli ones to 86.7%, respectively. The relationship between cell viability and membrane integrity of P. aeruginosa and E. coli biofilms treated with Chicory extract and argon plasma jet were also analyzed by CLSM. It was found that after the combined treatment, a noticeable membrane disruption was formed. Besides, it was concluded that E. coli biofilms showed a higher sensitivity to Ar-plasma than P. aeruginosa biofilm at longer plasma exposure times. This study suggests that the anti-biofilm therapy based on a combined effect of Chicory extract and cold argon plasma treatment can serve as a considerable green method for treatment of antimicrobial MDR bacteria.
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Affiliation(s)
- H Shabani
- Department of Physics, Faculty of Science, University of Guilan, Rasht, 41335-1914, Iran
| | - A Dezhpour
- Department of Physics, Faculty of Science, University of Guilan, Rasht, 41335-1914, Iran
| | - S Jafari
- Department of Physics, Faculty of Science, University of Guilan, Rasht, 41335-1914, Iran.
| | | | - M Nilkar
- Research Unit Plasma Technology (RUPT), Department of Applied Physics, Faculty of Engineering and Architecture, Ghent University, Sint-Pietersnieuwstraat 41 B4, 9000, Ghent, Belgium
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32
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Peng B, Wang C, He X, Ma Y, Zhou M, Ma X, Zhao S, Fang Y. A smartphone-assisted ratiometric colorimetric and fluorescent probe for triple-mode determination of nitrite based on MnO 2 nanoparticles and carbon quantum dots. Food Chem 2023; 410:135151. [PMID: 36623463 DOI: 10.1016/j.foodchem.2022.135151] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 12/01/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
A triple-mode colorimetric and fluorescent sensing scheme based on manganese dioxide nanoparticles (MnO2NPs) and carbon quantum dots (CQDs) were developed to determine nitrite. MnO2NPs can oxidize 3,3',5,5'-tetramethylbenzidine (TMB) into a blue oxidation product (TMBox), which is further oxidized into a yellow diimine derivative by nitrite. The ratio of absorbance at 652 nm to 452 nm was monitored as signal response for UV-vis detection mode. A "turn-off" CQDs fluorescence probe was also constructed for fluorescent detection mode. Smartphone tool kit was used to capture the color of sample for smartphone-based measurement. Various analytical performance under different detection modes were obtained and compared. The proposed methods were applied to food samples with satisfactory recoveries (83.3-106 %). The results were validated with AOAC standard spectrophotometric method. The current triple-mode detection were accurate, convenient, low-cost and fast for analyzing nitrite in foods and water samples on-site.
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Affiliation(s)
- Bo Peng
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China.
| | - Chunjuan Wang
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Xueyan He
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Yongjun Ma
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Min Zhou
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, PR China
| | - Xin Ma
- Lanzhou Customs District P. R. China, Lanzhou 730070, PR China
| | - Shengguo Zhao
- Lanzhou Customs District P. R. China, Lanzhou 730070, PR China.
| | - Yanjun Fang
- Military Medical Sciences Academy, Environmental and Operational Medicine Research Department, Tianjin 300050, PR China.
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33
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Cheng C, Zhang Y, Chen H, Zhang Y, Chen X, Lu M. Reduced graphene oxide-wrapped La 0·8Sr 0·2MnO 3 microspheres sensing electrode for highly sensitive nitrite detection. Talanta 2023; 260:124644. [PMID: 37182290 DOI: 10.1016/j.talanta.2023.124644] [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: 12/01/2022] [Revised: 04/28/2023] [Accepted: 05/03/2023] [Indexed: 05/16/2023]
Abstract
An electrochemical nitrite sensor based on perovskite oxides La0·8Sr0·2MnO3 (LSM) microspheres-decorated reduced graphene oxide (rGO) composite was presented to take the merit of the excellent electrocatalytic activity of the LSM and the large surface area of rGO. The content of rGO has been finely adjusted and the electrochemical sensor employing 15 wt% rGO has shown an ultralow nitrite detection limit of 0.016 μM and a high sensitivity of 0.041 μA μM-1 cm-2 and 0.039 μA μM-1 cm-2 in the range of 2-100 and 100-5000 μM, respectively. In addition, the proposed electrode shows good selectivity, reproducibility and stability, suitable for detection of nitrite at various pH values. The sensor was used to determine the nitrite level in environmental water samples with acceptable relative error, demonstrating its feasibility for practical environmental monitoring.
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Affiliation(s)
- Chu Cheng
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen, 361005, China
| | - Yixin Zhang
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen, 361005, China
| | - Hongyu Chen
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen, 361005, China
| | - Yulong Zhang
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen, 361005, China
| | - Xinyi Chen
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen, 361005, China.
| | - Miao Lu
- Pen-Tung Sah Research Institute of Micro-Nano Science & Technology, Xiamen University, Xiamen, 361005, China.
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34
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Pogăcean F, Varodi C, Măgeruşan L, Pruneanu S. Highly Sensitive Graphene-Based Electrochemical Sensor for Nitrite Assay in Waters. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13091468. [PMID: 37177012 PMCID: PMC10179868 DOI: 10.3390/nano13091468] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/21/2023] [Accepted: 04/23/2023] [Indexed: 05/15/2023]
Abstract
The importance of nitrite ions has long been recognized due to their extensive use in environmental chemistry and public health. The growing use of nitrogen fertilizers and additives containing nitrite in processed food items has increased exposure and, as a result, generated concerns about potential harmful health consequences. This work presents the development of an electrochemical sensor based on graphene/glassy carbon electrode (EGr/GC) with applicability in trace level detection of nitrite in water samples. According to the structural characterization of the exfoliated material, it appears as a mixture of graphene oxide (GO; 21.53%), few-layers graphene (FLG; 73.25%) and multi-layers graphene (MLG; 5.22%) and exhibits remarkable enhanced sensing response towards nitrite compared to the bare electrode (three orders of magnitude higher). The EGr/GC sensor demonstrated a linear range between 3 × 10-7 and 10-3 M for square wave voltammetry (SWV) and between 3 × 10-7 and 4 × 10-4 M for amperometry (AMP), with a low limit of detection LOD (9.9 × 10-8 M). Excellent operational stability, repeatability and interference-capability were displayed by the modified electrode. Furthermore, the practical applicability of the sensor was tested in commercially available waters with excellent results.
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Affiliation(s)
- Florina Pogăcean
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
| | - Codruţa Varodi
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
| | - Lidia Măgeruşan
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
| | - Stela Pruneanu
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Street, 400293 Cluj-Napoca, Romania
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35
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Kodamatani H, Kubo S, Takeuchi A, Kanzaki R, Tomiyasu T. Sensitive Detection of Nitrite and Nitrate in Seawater by 222 nm UV-Irradiated Photochemical Conversion to Peroxynitrite and Ion Chromatography-Luminol Chemiluminescence System. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:5924-5933. [PMID: 36973229 DOI: 10.1021/acs.est.3c00273] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Sensitive detection methods for nitrite (NO2-) and nitrate (NO3-) ions are essential to understand the nitrogen cycle and for environmental protection and public health. Herein, we report a detection method that combines ion-chromatographic separation of NO2- and NO3-, on-line photochemical conversion of these ions to peroxynitrite (ONOO-) by irradiation with a 222 nm excimer lamp, and chemiluminescence from the reaction between luminol and ONOO-. The detection limits for NO2- and NO3- were 0.01 and 0.03 μM, respectively, with linear ranges of 0.010-2.0 and 0.10-3.0 μM, respectively, at an injection volume of 1 μL. The results obtained by the proposed method for seawater analysis corresponded with those of a reference method (AutoAnalyzer based on the Griess reaction). As luminol chemiluminescence can measure ONOO- at picomolar concentrations, our method is expected to be able to detect NO2- and NO3- at picomolar concentrations owing to the high conversion ratio to ONOO- (>60%), assuming that contamination and background chemiluminescence issues can be resolved. This method has the potential to emerge as an innovative technology for NO2- and NO3- detection in various samples.
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Affiliation(s)
- Hitoshi Kodamatani
- Division of Earth and Environmental Science, Graduate School of Science and Engineering, Kagoshima University, 1-21-35 Korimoto, Kagoshima 890-0065, Japan
| | - Shotaro Kubo
- Division of Earth and Environmental Science, Graduate School of Science and Engineering, Kagoshima University, 1-21-35 Korimoto, Kagoshima 890-0065, Japan
| | - Akinori Takeuchi
- Health and Environmental Risk Division, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan
| | - Ryo Kanzaki
- Division of Earth and Environmental Science, Graduate School of Science and Engineering, Kagoshima University, 1-21-35 Korimoto, Kagoshima 890-0065, Japan
| | - Takashi Tomiyasu
- Division of Earth and Environmental Science, Graduate School of Science and Engineering, Kagoshima University, 1-21-35 Korimoto, Kagoshima 890-0065, Japan
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36
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Alfei S, Orlandi V, Grasso F, Boggia R, Zuccari G. Cationic Polystyrene-Based Hydrogels: Low-Cost and Regenerable Adsorbents to Electrostatically Remove Nitrites from Water. TOXICS 2023; 11:312. [PMID: 37112539 PMCID: PMC10142137 DOI: 10.3390/toxics11040312] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 06/19/2023]
Abstract
Nitrites are metastable anions that are derived from the oxidation of ammonia by agricultural pollution, sewage, decaying protein, and other nitrogen sources. They are a recognized environmental issue due to their role in eutrophication, as well as in surface and groundwater contamination, being toxic to almost all living creatures. Recently, we reported on the high efficiency of two cationic resins (R1 and R2) forming hydrogels (R1HG and R2HG) by dispersion in water in removing anionic dyes from water by electrostatic binding. Here, aiming at developing adsorbent materials for nitrite remediation, R1, R2, R1HG, and R2HG were first tested in adsorption experiments in batches monitored by UV-Vis methods, using the Griess reagent system (GRS) in order to assess their removal efficiency by contact over time. Particularly, samples of water appositely contaminated with nitrites were analyzed by UV-Vis before and during treatment with the hydrogels. The initial concentration of nitrites was quantified (118 mg/L). Then, the removal of nitrites over time, the removal efficiency of R1HG (89.2%) and of R2HG (89.6%), their maximum adsorption (21.0 mg/g and 23.5 mg/g), as well as the adsorption kinetics and mechanisms were evaluated. Additionally, R1HG- and R2HG-based columns (h = 8-10 cm, ØE = 2 cm) mimicking mini-scale decontamination systems by filtration were used to rapidly filter samples of water polluted with nitrite that were under pressure. R1HG and R2GH were capable of totally removing nitrites (99.5% and 100%) from volumes of nitrite solutions that were 118 mg/L that is 10 times the volumes of resins used. Additionally, when extending filtration to increasing volumes of the same nitrite solution up to 60 times the volume of resins used, the removal efficiently of R1HG decreased, and that of R2HG remained stable at over 89%. Interestingly, both the worn-out hydrogels were regenerable by 1% HCl washing, without a significant reduction in their original efficiency. There is a lack of studies in the literature reporting on novel methods to remove nitrite from water. R1HG and especially R2HG represent low-cost, up-scalable, and regenerable column-packing materials with promise for applications in the treatment of drinking water contaminated by nitrites.
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Affiliation(s)
- Silvana Alfei
- Department of Pharmacy, University of Genoa, Viale Cembrano, 16148 Genoa, Italy
| | - Valentina Orlandi
- Department of Pharmacy, University of Genoa, Viale Cembrano, 16148 Genoa, Italy
| | - Federica Grasso
- Department of Pharmacy, University of Genoa, Viale Cembrano, 16148 Genoa, Italy
| | - Raffaella Boggia
- Department of Pharmacy, University of Genoa, Viale Cembrano, 16148 Genoa, Italy
| | - Guendalina Zuccari
- Department of Pharmacy, University of Genoa, Viale Cembrano, 16148 Genoa, Italy
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37
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Ahmed SM, Rind S, Rani K. Systematic review: External carbon source for biological denitrification for wastewater. Biotechnol Bioeng 2023; 120:642-658. [PMID: 36420631 DOI: 10.1002/bit.28293] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/29/2022] [Accepted: 11/20/2022] [Indexed: 11/25/2022]
Abstract
Nitrogen mitigation is serious environmental issue around the globe. Several methods for wastewater treatment have been introduced, but biological denitrification has been recommended, particularly with addition of the best external carbon source. The key sites of denitrification are wetlands; it can be carried out with different methods. To highlight the aforementioned technology, this paper deals to review the literature to evaluate biological denitrification and to demonstrate cost effective external carbon sources. The results of systematic review disclose the denitrification process and addition of different external carbon sources. The online literature exploration was accomplished using the most well-known databases, that is, science direct and the web of science database, resulting 625 review articles and 3084 research articles, published in peer-reviewed journals between 2015 and 2021 were identified in first process. After doing an in-depth literature survey and exclusion criteria, we started to shape the review from selected review and research articles. A number of studies confirmed that both nitrification and denitrification are significant for biological treatment of wastewater. The studies proved that the carbon source is the main contributor and is a booster for the denitrification. Based on the literature reviewed it is concluded that biological denitrification with addition of external carbon source is cost effective and best option in nitrogen mitigation in a changing world. Our study recommends textile waste for recovery of carbon source.
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Affiliation(s)
- Sanjrani Manzoor Ahmed
- College of Environmental Science and Engineering, Donghua University, Shanghai, China.,HANDS-Institute of Development Studies, Karachi, Pakistan
| | - Saeeda Rind
- Department of Chemistry, University of Sindh Jamshoro, Jamshoro, Pakistan
| | - Keenjhar Rani
- Liaquat University of Medical and Health Sciences, Jamshoro, Pakistan
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38
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Fozia, Zhao G, Nie Y, Jiang J, Chen Q, Wang C, Xu X, Ying M, Hu Z, Xu H. Preparation of Nitrate Bilayer Membrane Ion-Selective Electrode Modified by Pericarpium Granati-Derived Biochar and Its Application in Practical Samples. Electrocatalysis (N Y) 2023. [DOI: 10.1007/s12678-023-00812-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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39
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Singh L, Ranjan N. Highly Selective and Sensitive Detection of Nitrite Ion by an Unusual Nitration of a Fluorescent Benzimidazole. J Am Chem Soc 2023; 145:2745-2749. [PMID: 36716209 DOI: 10.1021/jacs.2c10850] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Nitrite (NO2-) is a physiologically significant anion having implications for cellular signaling. Here we report our serendipitous discovery of highly selective fluorescence-based nitrite sensing using a benzimidazole which stems from hitherto-unknown direct nitration of a benzimidazole using sodium nitrite. Using one- and two-dimensional NMR techniques, we elucidate the chemical structures of the new nitrated benzimidazoles and show differences in the nitration products using conventional nitration with nitric acid. We also show its utility in robust sensing of nitrite-containing samples.
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Affiliation(s)
- Lachhman Singh
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Raebareli, New Transit Campus, Lucknow 226002, Uttar Pradesh, India
| | - Nihar Ranjan
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Raebareli, New Transit Campus, Lucknow 226002, Uttar Pradesh, India
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40
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Zhang GQ, Shi YH, Wu W, Zhao Y, Xu ZH. A fluorescent carbon dots synthesized at room temperature for automatic determination of nitrite in Sichuan pickles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 286:122025. [PMID: 36308829 DOI: 10.1016/j.saa.2022.122025] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/11/2022] [Accepted: 10/18/2022] [Indexed: 06/16/2023]
Abstract
In this paper, highly fluorescent carbon dots were synthesized from sodium ascorbate and polyethyleneimine at room temperature (R-CDs). The proposed green synthesis method was energy-saving, environmentally friendly and easy online. R-CDs exhibit an optimal emission peak of 490 nm under excitation at 380 nm with a quantum yield of 32 %. R-CDs morphology, composition, and properties were characterized using TEM, FTIR, XPS, UV-vis and fluorescence spectroscopy. The study revealed that nitrite quenched the fluorescence of R-CDs under acidic conditions. Subsequently, this discovered reaction of R-CDs and nitrite was combined with flow-injection technology, and a simple, precise and automatic fluorescence strategy for nitrite determination was accomplished. The response to nitrite was linear in 5-300 μg·L-1 concentration range and the limit of detection was 2.85 μg·L-1 (3.3 S/k). This method was applied to nitrite determination in Sichuan pickles during the pickling process and results were consistent with the standard method, demonstrating its feasibility in practical applications.
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Affiliation(s)
- Guo-Qi Zhang
- Department of Chemisty, School of Science, Xihua University, Chengdu 610039, PR China; School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China.
| | - Yu-Han Shi
- Department of Chemisty, School of Science, Xihua University, Chengdu 610039, PR China
| | - Wei Wu
- Department of Chemisty, School of Science, Xihua University, Chengdu 610039, PR China
| | - Yang Zhao
- The College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China; Shenzhen Changlong Technology Co Ltd., Longgang District, Shenzhen 518117, PR China
| | - Zhi-Hong Xu
- Department of Chemisty, School of Science, Xihua University, Chengdu 610039, PR China.
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41
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Soares RRA, Hjort RG, Pola CC, Jing D, Cecon VS, Claussen JC, Gomes CL. Ion-selective electrodes based on laser-induced graphene as an alternative method for nitrite monitoring. Mikrochim Acta 2023; 190:43. [PMID: 36595104 DOI: 10.1007/s00604-022-05615-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 12/05/2022] [Indexed: 01/04/2023]
Abstract
Nitrite is an important food additive for cured meats; however, high nitrite levels pose adverse health effects to humans. Hence, monitoring nitrite concentration is critical to comply with limits imposed by regulatory agencies. Laser-induced graphene (LIG) has proven to be a scalable manufacturing alternative to produce high-performance electrochemical transducers for sensors. Herein, we expand upon initial LIG studies by fabricating hydrophilic and hydrophobic LIG that are subsequently converted into ion-selective sensors to monitor nitrite in food samples with comparable performance to the standard photometric method (Griess method). The hydrophobic LIG resulted in an ion-selective electrode with improved potential stability due partly to a decrease in the water layer between the electrode and the nitrite poly(vinyl) chloride-based ion-selective membrane. These resultant nitrite ion-selective sensors displayed Nernstian response behavior with a sensitivity of 59.5 mV dec-1, a detection limit of 0.3 ± 0.1 mg L-1 (mean ± standard deviation), and a broad linear sensing range from 10-5 to 10-1 M, which was significantly larger than currently published nitrite methods. Nitrite levels were determined directly in food extract samples of sausage, ham, and bacon for 5 min. These sensor metrics are significant as regulatory agencies limit nitrite levels up to 200 mg L-1 in finished products to reduce the potential formation of nitrosamine (carcinogenic compound). These results demonstrate the versatility of LIG as a platform for ion-selective-LIG sensors and simple, efficient, and scalable electrochemical sensing in general while demonstrating a promising alternative to monitor nitrite levels in food products ensuring regulatory compliance.
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Affiliation(s)
- Raquel R A Soares
- Department of Mechanical Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Robert G Hjort
- Department of Mechanical Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Cícero C Pola
- Department of Mechanical Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Dapeng Jing
- Materials Analysis and Research Laboratory, Iowa State University, Ames, IA, 50011, USA
| | - Victor S Cecon
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, 50011, USA
| | - Jonathan C Claussen
- Department of Mechanical Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Carmen L Gomes
- Department of Mechanical Engineering, Iowa State University, Ames, IA, 50011, USA.
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42
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Li VYC, Udugama B, Kadhiresan P, Chan WCW. Sequential Reagent Release from a Layered Tablet for Multistep Diagnostic Assays. Anal Chem 2022; 94:17102-17111. [PMID: 36454606 DOI: 10.1021/acs.analchem.2c03315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Diagnostic assays are commonly performed in multiple steps, where reagents are added at specific times and concentrations into a reaction chamber. The reagents require storage, preparation, and addition in the correct sequence and amount. These steps rely on trained technicians and instrumentation to perform each task. The reliance on such resources hinders the use of these diagnostic assays by lay users. We developed a tablet that can sequentially introduce prequantified lyophilized diagnostic reagents at specific time points for a multistep assay. We designed the tablet to have multiple layers using cellulose-grade polymers, such as microcrystalline cellulose and hydroxypropyl cellulose. Our formulation allows each layer to dissolve at a controlled rate to introduce reagents into the solution sequentially. The release rate is controlled by modulating the compression force or chemical formulation of the layer. Controlling the reagent release time is important because different assays have specific times when reagents need to be added. As proof of concept, we demonstrated two different assays with our tablet system. Our tablet detected nucleic acid target (tpp47 gene from Treponema pallidum) and nitrite ions in an aqueous sample without user intervention. Our multilayer tablets can simplify multistep assay processes.
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Affiliation(s)
- Vanessa Y C Li
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.,Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada
| | - Buddhisha Udugama
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.,Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada
| | - Pranav Kadhiresan
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.,Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada
| | - Warren C W Chan
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.,Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada.,Department of Chemistry, University of Toronto, 80 St. George, Toronto, Ontario M5S 3H6, Canada.,Materials Science and Engineering, University of Toronto, 14 College Street, Toronto, Ontario M5S 3G9, Canada
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43
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Gholizadeh A, Black K, Kipen H, Laumbach R, Gow A, Weisel C, Javanmard M. Detection of respiratory inflammation biomarkers in non-processed exhaled breath condensate samples using reduced graphene oxide. RSC Adv 2022; 12:35627-35638. [PMID: 36545081 PMCID: PMC9745889 DOI: 10.1039/d2ra05764f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/15/2022] [Indexed: 12/15/2022] Open
Abstract
In this work, we studied several important parameters regarding the standardization of a portable sensor of nitrite, a key biomarker of inflammation in the respiratory tract in untreated EBC samples. The storage of the EBC samples and electrical properties of both EBC samples and the sensor as main standardization parameters were investigated. The sensor performance was performed using differential pulse voltammetry (DPV) in a standard nitrite solution and untreated EBC samples. The storage effect was monitored by comparing sensor data of fresh and stored samples for one month at -80 °C. Results show, on average, a 20 percent reduction of peak current for stored solutions. The sensor's performance was compared with a previous EBC nitrite sensor and chemiluminescence method. The results demonstrate a good correlation between the present sensor and chemiluminescence for low nitrite concentrations in untreated EBC samples. The electrical behavior of the sensor and electrical variation between EBC samples were characterized using methods such as noise analysis, electrochemical impedance spectroscopy (EIS), electrical impedance (EI), and voltage shift. Data show that reduced graphene oxide (rGO) has lower electrical noise and a higher electron transfer rate regarding nitrite detection. Also, a voltage shift can be applied to calibrate the data based on the electrical variation between different EBC samples. This result makes it easy to calibrate the electrical difference between EBC samples and have a more reproducible portable chip design without using bulky EI instruments. This work helps detect nitrite in untreated and pure EBC samples and evaluates critical analytical EBC properties essential for developing portable and on-site point-of-care sensors.
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Affiliation(s)
- Azam Gholizadeh
- Department of Electrical and Computer Engineering, Rutgers UniversityPiscatawayNJ 08854USA
| | - Kathleen Black
- Environmental Occupational Health Sciences Institute, Rutgers UniversityPiscatawayNJ 08854USA
| | - Howard Kipen
- Environmental Occupational Health Sciences Institute, Rutgers UniversityPiscatawayNJ 08854USA
| | - Robert Laumbach
- Environmental Occupational Health Sciences Institute, Rutgers UniversityPiscatawayNJ 08854USA
| | - Andrew Gow
- Ernest Mario School of Pharmacy, Rutgers UniversityPiscatawayNJ 08854USA
| | - Clifford Weisel
- Environmental Occupational Health Sciences Institute, Rutgers UniversityPiscatawayNJ 08854USA
| | - Mehdi Javanmard
- Department of Electrical and Computer Engineering, Rutgers UniversityPiscatawayNJ 08854USA
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44
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Colorimetric and fluorogenic detection of nitrite anion in water and food based on Griess reaction of fluorene derivatives. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.105123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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45
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Liu J, Dou C, Chen W, Yan H, Ma WZ, Meng D, You XQ, Chen YS, Zhou C, Zhuang P. Ultrasensitive graphene sensor for nitrate detection using triethylamine as a probe molecule. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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46
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Lai X, Sun Y, Yang M, Wu H. Rubik's Cube as Reconfigurable Microfluidic Platform for Rapid Setup and Switching of Analytical Devices. MICROMACHINES 2022; 13:2054. [PMID: 36557355 PMCID: PMC9782984 DOI: 10.3390/mi13122054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Microfluidics technology plays an important role in modern analytical instruments, while the modular design of microfluidics facilitates the reconfiguration of analytical instrument functions, making it possible to deploy on-demand systems in the field. However, modular design also faces the challenges such as connection reliability and reconfiguration convenience. Inspired by the self-locking structure of the Rubik's cube, a modular, reconfigurable microfluidic instrument architecture is proposed in this paper. The system has a self-locking structure of Rubik's cube components and an O-ring-based alignment and sealing mechanism, which enables reliable interconnection and rapid rearrangement of microfluidic modules by simply rotating the faces of the microfluidic cube. In addition, the system is capable of integrating a variety of customized modules to perform analysis tasks. A proof-of-concept application of detecting multiple pollutants in water is demonstrated to show the reconfigurable characteristics of the system. The findings of this paper provide a new idea for the design of microfluidic analytical instrument architectures.
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Affiliation(s)
- Xiaochen Lai
- School of Automation, Nanjing University of Information Science & Technology, Nanjing 210044, China
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Yanfei Sun
- School of Automation, Nanjing University of Information Science & Technology, Nanjing 210044, China
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Mingpeng Yang
- School of Automation, Nanjing University of Information Science & Technology, Nanjing 210044, China
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET), Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Hao Wu
- State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
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47
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Yang N, Zhou X, Qi X, Li J, Fang W, Xue H, Yang Z. A nitrite sensor based on bimetallic zeolitic imidazole framework derived Co/porous carbon nanorods. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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48
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Wongniramaikul W, Kleangklao B, Boonkanon C, Taweekarn T, Phatthanawiwat K, Sriprom W, Limsakul W, Towanlong W, Tipmanee D, Choodum A. Portable Colorimetric Hydrogel Test Kits and On-Mobile Digital Image Colorimetry for On-Site Determination of Nutrients in Water. Molecules 2022; 27:7287. [PMID: 36364112 PMCID: PMC9655143 DOI: 10.3390/molecules27217287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 11/17/2022] Open
Abstract
Portable colorimetric hydrogel test kits are newly developed for the on-site detection of nitrite, nitrate, and phosphate in water. Griess-doped hydrogel was prepared at the bottom of a 1.5 mL plastic tube for nitrite detection, a nitrate reduction film based on zinc powder was placed on the inner lid of a second 1.5 mL plastic tube for use in conjunction with the Griess-doped hydrogel for nitrate detection, and a molybdenum blue-based reagent was entrapped within a poly(vinyl alcohol) hydrogel matrix placed at the bottom of a third 1.5 mL plastic tube to detect phosphate. These test kits are usable with on-mobile digital image colorimetry (DIC) for the on-site determination of nutrients with good analytical performance. The detection limits were 0.02, 0.04, and 0.14 mg L−1 for nitrite, nitrate, and phosphate, respectively, with good accuracy (<4.8% relative error) and precision (<1.85% relative standard deviation). These test kits and on-mobile DIC were used for the on-site determination of nutrients in the Pak Bang and Bang Yai canals, the main canals in Phuket, Thailand. The concentrations of nitrite, nitrate, and phosphate were undetectable to 0.60 mg L−1, undetectable to 2.98 mg L−1, and undetectable to 0.52 mg L−1, respectively.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Aree Choodum
- Integrated Science and Technology Research Center, Faculty of Technology and Environment, Prince of Songkla University, Phuket Campus, Kathu, Phuket 83120, Thailand
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Shakil MH, Trisha AT, Rahman M, Talukdar S, Kobun R, Huda N, Zzaman W. Nitrites in Cured Meats, Health Risk Issues, Alternatives to Nitrites: A Review. Foods 2022; 11:3355. [PMID: 36359973 PMCID: PMC9654915 DOI: 10.3390/foods11213355] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/28/2022] [Accepted: 10/15/2022] [Indexed: 09/10/2023] Open
Abstract
Nitrite is one of the most widely used curing ingredients in meat industries. Nitrites have numerous useful applications in cured meats and a vital component in giving cured meats their unique characteristics, such as their pink color and savory flavor. Nitrites are used to suppress the oxidation of lipid and protein in meat products and to limit the growth of pathogenic microorganisms such as Clostridium botulinum. Synthetic nitrite is frequently utilized for curing due to its low expenses and easier applications to meat. However, it is linked to the production of nitrosamines, which has raised several health concerns among consumers regarding its usage in meat products. Consumer desire for healthier meat products prepared with natural nitrite sources has increased due to a rising awareness regarding the application of synthetic nitrites. However, it is important to understand the various activities of nitrite in meat curing for developing novel substitutes of nitrites. This review emphasizes on the effects of nitrite usage in meat and highlights the role of nitrite in the production of carcinogenic nitrosamines as well as possible nitrite substitutes from natural resources explored also.
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Affiliation(s)
- Mynul Hasan Shakil
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
| | - Anuva Talukder Trisha
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
| | - Mizanur Rahman
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
| | - Suvro Talukdar
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
| | - Rovina Kobun
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Nurul Huda
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Wahidu Zzaman
- Department of Food Engineering and Tea Technology, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
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Puigserver D, Herrero J, Carmona JM. Nitrate removal by combining chemical and biostimulation approaches using micro-zero valent iron and lactic acid. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 843:156841. [PMID: 35750160 DOI: 10.1016/j.scitotenv.2022.156841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 06/07/2022] [Accepted: 06/16/2022] [Indexed: 06/15/2023]
Abstract
The occurrence of nitrate is the most significant type of pollution affecting groundwater globally, being a major contributor to the poor condition of water bodies. This pollution is related to livestock-agricultural and urban activities, and the nitrate presence in drinking water has a clear impact on human health. For example, it causes the blue child syndrome. Moreover, the high nitrate content in aquifers and surface waters significantly affects aquatic ecosystems since it is responsible for the eutrophication of surface water bodies. A treatability test was performed in the laboratory to study the decrease of nitrate in the capture zone of water supply wells. For this purpose, two boreholes were drilled from which groundwater and sediments were collected to conduct the test. The goal was to demonstrate that nitrate in groundwater can be decreased much more efficiently using combined abiotic and biotic methods with micro-zero valent iron and biostimulation with lactic acid, respectively, than when both strategies are used separately. The broader implications of this goal derive from the fact that the separate use of these reagents decreases the efficiency of nitrate removal. Thus, while nitrate is removed using micro-valent iron, high concentrations of harmful ammonium are also generated. Furthermore, biostimulation alone leads to overgrowth of other microorganisms that do not result in denitrification, therefore complete denitrification requires more time to occur. In contrast, the combined strategy couples abiotic denitrification of nitrate with biostimulation of microorganisms capable of biotically transforming the abiotically generated harmful ammonium. The treatability test shows that the remediation strategy combining in situ chemical reduction using micro-zero valent iron and biostimulation with lactic acid could be a viable strategy for the creation of a reactive zone around supply wells located in regions where groundwater and porewater in low permeability layers are affected by diffuse nitrate contamination.
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Affiliation(s)
- Diana Puigserver
- Department of Mineralogy, Petrology and Applied Geology, Faculty of Earth Sciences, University of Barcelona (UB), Water Research Institute (IdRA-UB), C/ Martí i Franquès, s/n, E-08028 Barcelona, Spain.
| | - Jofre Herrero
- Department of Mineralogy, Petrology and Applied Geology, Faculty of Earth Sciences, University of Barcelona (UB), Water Research Institute (IdRA-UB), C/ Martí i Franquès, s/n, E-08028 Barcelona, Spain.
| | - José M Carmona
- Department of Mineralogy, Petrology and Applied Geology, Faculty of Earth Sciences, University of Barcelona (UB), Water Research Institute (IdRA-UB), C/ Martí i Franquès, s/n, E-08028 Barcelona, Spain.
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