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Saini N, Yadav D, Shirolkar M, Murugappan S, Thorat N, Kulkarni A. Chitosan lecithin nanocomposite based electrochemical biosensor for glycine detection in biological matrices. Colloids Surf B Biointerfaces 2024; 238:113901. [PMID: 38608466 DOI: 10.1016/j.colsurfb.2024.113901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/13/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024]
Abstract
Increased glycine concentrations are associated with altered metabolism of cancer cells and is reflected in the bodily fluids of the brain cancer patients. Various studies have been conducted in past to detect glycine as an imaging biomarker via NMR Spectroscopy tools. However, the use is limited because of the low concentration and different in vivo detection due to overlapping of peaks with myo-inositol in same spectral position. Alongside, little is known about the electrochemical potential of Glycine as a biomarker for brain cancer. The prime impetus of this study was to check the feasibility of glycine as non-invasive biomarker for brain cancer. A divergent approach to detect glycine "non-enzymatically" via unique chitosan lecithin nanocomposite has been utilised during this study. The electrochemical inactivity at provided potential that prevented glycine to get oxidized or reduced without mediator was compensated utilising the chitosan-lecithin nanocomposite. Thus, a redox mediator (Prussian blue) was used for high sensitivity and indirect detection of glycine. The chitosan nanoparticles-lecithin nanocomposite is used as a matrix. The electrochemical analysis of the onco-metabolomic biomarker (glycine) utilizing cyclic voltammetry in glycine spiked multi-Purpose artificial urine was performed to check distribution of glycine over physiological range of glycine. A wide linear range of response varying over the physiological range from 7 to 240 μM with a LOD 8.5 μM was obtained, showing potential of detection in biological samples. We have further evaluated our results via simulating the interaction of mediator and matrix with Glycine by HOMO-LUMO band fluctuations.
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Affiliation(s)
- Neha Saini
- Symbiosis Centre for Nanoscience and Nanotechnology, Symbiosis International (Deemed University), Pune, Maharashtra 412115, India
| | - Deepak Yadav
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
| | - Mandar Shirolkar
- Symbiosis Centre for Nanoscience and Nanotechnology, Symbiosis International (Deemed University), Pune, Maharashtra 412115, India
| | - Sivasubramanian Murugappan
- Department of Physics and Bernal Institute, University of Limerick, Limerick, Ireland; Limerick Digital Cancer Research Centre (LDCRC), University of Limerick, Limerick, Ireland
| | - Nanasaheb Thorat
- Department of Physics and Bernal Institute, University of Limerick, Limerick, Ireland; Limerick Digital Cancer Research Centre (LDCRC), University of Limerick, Limerick, Ireland.
| | - Atul Kulkarni
- Symbiosis Centre for Nanoscience and Nanotechnology, Symbiosis International (Deemed University), Pune, Maharashtra 412115, India.
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2
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Zhang Y, Jin S, Liu R, Liu Z, Gong L, Zhang L, Zhao T, Yin W, Chen S, Fa H, Niu L. A portable magnetic electrochemical sensor for highly efficient Pb(II) detection based on bimetal composites from Fe-on-Co-MOF. Environ Res 2024; 250:118499. [PMID: 38368921 DOI: 10.1016/j.envres.2024.118499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 01/23/2024] [Accepted: 02/14/2024] [Indexed: 02/20/2024]
Abstract
The practical, sensitive, and real-time detection of heavy metal ions is an essential and difficult problem. This study presents the design of a unique magnetic electrochemical detection system that can achieve real-time field detection. To enhance the electrochemical performance of the sensor, Fe2O3@C-800, Co/CoO@/C-600, and CoFe2O4@C-600 magnetic composites were synthesized using three MOFs precursors by the solvothermal method. And the morphology structure and electrochemical properties of as-prepared magnetic composites were researched by X-ray diffraction (XRD), Scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS), vibrating sample magnetometer (VSM), specific surface area and porosity analyzer (BET) and differential pulse voltammetry (DPV). The results shown that these composites improve conductivity and stability while preserving the MOFs basic frame structure. Compared with the monometallic MOFs-derived composites, the synergistic effect of the bimetallic composite CoFe2O4@C-600 can significantly enhance the electrochemical performance of the sensor. The linear range for the detection of lead ions was 0.001-60 μM, and the detection limit was 0.0043 μM with a sensitivity of 22.22 μA μM·cm-2 by differential pulse voltammetry. The sensor has good selectivity, stability, reproducibility and can be used for actual sample testing.
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Affiliation(s)
- Yijiao Zhang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Siwei Jin
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Renlong Liu
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China; National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University, Chongqing, 400044, China
| | - Zuohua Liu
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China; National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University, Chongqing, 400044, China
| | - Li Gong
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Li Zhang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Tengda Zhao
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China
| | - Wei Yin
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China; National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University, Chongqing, 400044, China; Analytical and Testing Center of Chongqing University, Chongqing, 400044, China
| | - Shiqi Chen
- Key Laboratory of Condiment Supervision Technology for State Market Regulation, China; Chongqing Institute for Food and Drug Control, China
| | - Huanbao Fa
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China; National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University, Chongqing, 400044, China.
| | - Lidan Niu
- Key Laboratory of Condiment Supervision Technology for State Market Regulation, China; Chongqing Institute for Food and Drug Control, China.
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Barton B, Ullah N, Koszelska K, Smarzewska S, Ciesielski W, Guziejewski D. Reviewing neonicotinoid detection with electroanalytical methods. Environ Sci Pollut Res Int 2024:10.1007/s11356-024-33676-1. [PMID: 38769264 DOI: 10.1007/s11356-024-33676-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/10/2024] [Indexed: 05/22/2024]
Abstract
Neonicotinoids, as the fastest-growing class of insecticides, currently account for over 25% of the global pesticide market. Their effectiveness in controlling a wide range of pests that pose a threat to croplands, home yards/gardens, and golf course greens cannot be denied. However, the extensive use of neonicotinoids has resulted in significant declines in nontarget organisms such as pollinators, insects, and birds. Furthermore, the potential chronic, sublethal effects of these compounds on human health remain largely unknown. To address these pressing issues, it is crucial to explore and understand the capabilities of electrochemical sensors in detecting neonicotinoid residues. Surprisingly, despite the increasing importance of this topic, no comprehensive review article currently exists in the literature. Therefore, our proposed review aims to bridge this gap by providing a thorough analysis of the use of electrochemical methods for neonicotinoid determination. In this review article, we will delve into various aspects of electrochemical analysis, including the influence of electrode materials, employed techniques, and the different types of electrode mechanisms utilized. By synthesizing and analysing the existing research in this field, our review will offer valuable insights and guidance to researchers, scientists, and policymakers alike.
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Affiliation(s)
- Bartłomiej Barton
- Department of Instrumental Analysis, University of Lodz, Pomorska 163, 90-236, Lodz, Poland.
| | - Nabi Ullah
- Department of Instrumental Analysis, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
| | - Kamila Koszelska
- Department of Instrumental Analysis, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
| | - Sylwia Smarzewska
- Department of Instrumental Analysis, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
| | - Witold Ciesielski
- Department of Instrumental Analysis, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
| | - Dariusz Guziejewski
- Department of Instrumental Analysis, University of Lodz, Pomorska 163, 90-236, Lodz, Poland
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Zhang Y, Li J, Li X, Lv J, Xu Q, Li H. Self-validating photothermal and electrochemical dual-mode sensing based on Hg 2+ etching Ti 3C 2 MXene. Anal Chim Acta 2024; 1303:342525. [PMID: 38609266 DOI: 10.1016/j.aca.2024.342525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 03/12/2024] [Accepted: 03/22/2024] [Indexed: 04/14/2024]
Abstract
Mercury ions can cause serious damage to the ecological environment, and it is necessary to develop reliable and elegant mercury ion sensors. In this protocol, a label-free photothermal/electrochemical dual-mode strategy for Hg2+ is proposed based on delaminated Ti3C2 MXene nanosheets (DL-Ti3C2 MXene). Hg2+ exists in water in the form of HgCl2, Hg(OH)2, and HgClOH, and the electron-rich elements O and Cl can specifically bind to the positively charged DL-Ti3C2 MXene at the edge, and further oxidation-reduction reaction occurs to obtain TiO2/C and Hg2Cl2. In view of the reduction activity and the performance of photothermal conversion of DL-Ti3C2 MXene itself, the electrochemical and photothermal responses decrease with the increase of the logarithm of Hg2+ concentration. The corresponding linear ranges are 50 pmol L-1-500 nmol L-1 and 1 nmol L-1-50 μmol L-1, and their detection limits calculated at 3 S/N are 17.2 pmol L-1 and 0.43 nmol L-1, respectively. DL-Ti3C2 MXene has the characteristics of a wide range of raw materials, low cost, and easy preparation. In addition, the design takes full advantage of the properties of the material itself, avoids the complex assembly and detection process of conventional sensors, and enables high selectivity and sensitivity for mercury detection. In particular, the dual-mode sensing endows self-confirmation of mercury ion detection results, thereby improving the reliability of the sensor.
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Affiliation(s)
- Yanxin Zhang
- School of Chemistry and Chemical Engineering & College of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, 224051, PR China
| | - Jing Li
- School of Chemistry and Chemical Engineering & College of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, 224051, PR China.
| | - Xiaobing Li
- School of Chemistry and Chemical Engineering & College of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, 224051, PR China
| | - Jingchun Lv
- School of Chemistry and Chemical Engineering & College of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, 224051, PR China
| | - Qin Xu
- Institute of Innovation Materials and Energy, Yangzhou University, Yangzhou, 225002, PR China
| | - Hongbo Li
- School of Chemistry and Chemical Engineering & College of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, 224051, PR China.
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5
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Zhu N, Wang K, Xiong D, Xiao J, Deng Y, Yang Z, Zhang Z. Efficient DNA walker guided by ordered cruciform-shaped DNA track for ultrasensitive and rapid electrochemical detection of lead ion. Anal Chim Acta 2024; 1302:342492. [PMID: 38580406 DOI: 10.1016/j.aca.2024.342492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 03/13/2024] [Accepted: 03/16/2024] [Indexed: 04/07/2024]
Abstract
The rational design of DNA tracks is an effective pathway to guide the autonomous movement and high-efficiency recognition in DNA walkers, showing outstanding advantages for the cascade signal amplification of electrochemical biosensors. However, the uncontrolled distance between two adjacent tracks on the electrode could increase the risk of derailment and interruption of the reaction. Hence, a novel four-way balanced cruciform-shaped DNA track (C-DNT) was designed as a structured pathway to improve the effectiveness and stability of the reaction in DNA walkers. In this work, two kinds of cruciform-shaped DNA were interconnected as a robust structure that could avoid the invalid movement of the designed DNA walker on the electrode. When hairpin H2 was introduced onto the electrode, the strand displacement reaction (SDR) effectively triggered movements of the DNA walker along the cruciform-shaped track while leaving ferrocene (Fc) on the electrode, leading to a significant enhancement of the electrochemical signal. This design enabled the walker to move in an excellent organized and controllable manner, thus enhancing the reaction speed and walking efficiency. Compared to other walkers moving on random tracks, the reaction time of the C-DNT-based DNA walker could be reduced to 20 min. Lead ion (Pb2+) was used as a model target to evaluate the analytical performance of this biosensor, which exhibited a low detection limit of 0.033 pM along with a wide detection ranging from 0.1 pM to 500 nM. This strategy presented a novel concept for designing a high-performance DNA walker-based sensing platform for the detection of contaminants.
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Affiliation(s)
- Nuanfei Zhu
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Kaixuan Wang
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Dinghui Xiong
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Jiaxuan Xiao
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Yibin Deng
- Medical Laboratory Science, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China; Key Laboratory of Clinical Molecular Diagnosis and Research for High Incidence Diseases in Western Guangxi, Guangxi, 533000, China.
| | - Zhugen Yang
- School of Water, Energy, and Environment, Cranfield University, Milton Keynes, MK43 0AL, UK
| | - Zhen Zhang
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China; Medical Laboratory Science, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China; Key Laboratory of Clinical Molecular Diagnosis and Research for High Incidence Diseases in Western Guangxi, Guangxi, 533000, China.
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6
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Haldhar R, Raorane CJ, Mishra VK, Tuzun B, Berdimurodov E, Kim SC. Surface adsorption and corrosion resistance performance of modified chitosan: Gravimetric, electrochemical, and computational studies. Int J Biol Macromol 2024; 264:130769. [PMID: 38467215 DOI: 10.1016/j.ijbiomac.2024.130769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 02/21/2024] [Accepted: 03/08/2024] [Indexed: 03/13/2024]
Abstract
Two novel chitosan derivatives (water soluble and acid soluble) modified with thiocarbohydrazide were produced by a quick and easy technique using formaldehyde as links. The novel compounds were synthesized and then characterized by thermogravimetric analysis, elemental analysis, nuclear magnetic resonance spectroscopy, Fourier transform infrared spectroscopy, and differential scanning calorimetry. Their surface morphologies were examined using scanning electron microscopy. These chitosan derivatives could produce pH-dependent gels. The behavior of mild steel in 5 % acetic acid, including both inhibitors at various concentrations, was investigated using gravimetric and electrochemical experiments. According to the early findings, both compounds (TCFACN and TCFWCN) functioned as mixed-type metal corrosion inhibitors. Both inhibitors showed their best corrosion inhibition efficiency at 80 mg L-1. TCFACN and TCFWCN, showed approximately 92 % and 94 % corrosion inhibition, respectively, at an optimal concentration of 80 mg L-1, according to electrochemical analysis. In the corrosion test, the water contact angle of the polished MS sample at 87.90 °C was reduced to 51 °C. The water contact angles for MS inhibited by TCFACN and TCFWCN in the same electrolyte were greater, measuring 78.10 °C and 93.10 °C, respectively. The theoretical results also support the experimental findings.
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Affiliation(s)
- Rajesh Haldhar
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
| | | | - V K Mishra
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Burak Tuzun
- Plant and Animal Production Department, Technical Sciences Vocational School of Sivas, Sivas Cumhuriyet University, Sivas 58140, Turkey
| | - Elyor Berdimurodov
- Chemical & Materials Engineering, New Uzbekistan University, Movarounnahr Street 1, Tashkent 100000, Uzbekistan; University of Tashkent for Applied Sciences, Str. Gavhar 1, Tashkent 100149, Uzbekistan; Faculty of Chemistry, National University of Uzbekistan, Tashkent 100034, Uzbekistan
| | - Seong-Cheol Kim
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
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Kumar AM, Rajesh T, Obot IB, Bin Sharfan II, Abdulhamid MA. Water-soluble chitosan salt as ecofriendly corrosion inhibitor for N80 pipeline steel in artificial sea water: Experimental and theoretical approach. Int J Biol Macromol 2024; 254:127697. [PMID: 37918585 DOI: 10.1016/j.ijbiomac.2023.127697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/04/2023] [Accepted: 10/14/2023] [Indexed: 11/04/2023]
Abstract
Chitosan, as a proficient biopolymer, has enormous potential as an ecofriendly corrosion inhibitor (CI), but their limited solubility restricts practical applications. Herein, an eco-friendly and water-soluble chitosan salt (CS) was utilized as a green CI on N80 pipeline steel in artificial sea water. Several structural and surface analytical tools were engaged in describing the characteristics of novel CS polymer. The corrosion inhibition efficiencies of CS on steel at different concentrations were investigated through gravimetric, conventional and advanced electrochemical techniques along with the surface analyses. Tafel polarization tests specified that CS performed as mixed-type CI with prevalent anodic inhibition characteristics. At a concentration of 1000 ppm, CS provided an inhibition efficiency (IE) of 96.68 %, following physiochemical adsorptions of CS on N80 surface validated by fitting Langmuir adsorption isotherm. However, the reductions in the values of IE at high temperature specified that the CS is the temperature dependent CIs. Scanning electrochemical microscopic evaluation confirmed the formation of thin CS inhibitors films with high electrochemical stability on N80 steel in saline. The performed surface characterizations on inhibited surfaces validated the adsorption of CS on the N80 surface by forming thin inhibitor film to obstruct metal corrosion. The theoretical simulation studies using molecular dynamics and density functional theory corroborated the experimentally obtained results.
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Affiliation(s)
- A Madhan Kumar
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia.
| | - T Rajesh
- Interdisciplinary Research Center for Refining and Advanced Chemicals, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia
| | - I B Obot
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia
| | - Ibtisam I Bin Sharfan
- Sustainable and Resilient Materials Lab, Center for Integrative Petroleum Research (CIPR), College of Petroleum Engineering & Geosciences (CPG), King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Mahmoud A Abdulhamid
- Sustainable and Resilient Materials Lab, Center for Integrative Petroleum Research (CIPR), College of Petroleum Engineering & Geosciences (CPG), King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.
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8
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Dąbrowska A, Kipa S, Vasilopoulos M, Osial M. The comparative study by Raman spectroscopy of the plastic tide in the three ports of the Mediterranean Sea. Environ Sci Pollut Res Int 2023; 30:124093-124105. [PMID: 37999840 PMCID: PMC10746617 DOI: 10.1007/s11356-023-30973-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 11/05/2023] [Indexed: 11/25/2023]
Abstract
This paper summarizes the field studies on marine microplastics (MPs) carried out in the autumn season in four various localisations within three ports chosen at the Mediterranean Sea near the French Riviera and the West Coast of Italy (within the Ligurian Sea). It considers the transport problem and the fate of the MPs introduced to the sea by analysing beach debris found on the shore after the stormy weather. Monitored ports included Saint-Tropez, Portoferraio and Porto Ercole, in which two different places were monitored. The aim is to approach the plastic tide phenomena by concentrating on a selected fraction of all MPs presented on the seashore. The final identification of debris was performed using Raman spectroscopy, providing a high-resolution signal. The PE, PP and PS contents were compared as the most frequent and representative polymers. Finally, we tackle the pending issue of the compound leakage from the MPs taking the environmentally aged particles from Portoferraio for further laboratory experiments and discuss an innovative approach with a low detection limit based on the electrochemical methods.
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Affiliation(s)
- Agnieszka Dąbrowska
- University of Warsaw, Faculty of Chemistry, Laboratory of Spectroscopy of Intermolecular Interactions, Pasteura 1, 02-093, Warsaw, Poland.
- University of Warsaw Biological and Chemical Research Centre, Żwirki i Wigury 101 st, 02-089, Warsaw, Poland.
| | - Seweryn Kipa
- University of Warsaw, Faculty of Chemistry, Laboratory of Spectroscopy of Intermolecular Interactions, Pasteura 1, 02-093, Warsaw, Poland
| | - Michalis Vasilopoulos
- University of Warsaw, Faculty of Chemistry, Laboratory of Spectroscopy of Intermolecular Interactions, Pasteura 1, 02-093, Warsaw, Poland
| | - Magdalena Osial
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B, 02-106, Warsaw, Poland
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9
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Erdoğan NÖ, Uslu B, Aydoğdu Tığ G. Development of an electrochemical biosensor utilizing a combined aptamer and MIP strategy for the detection of the food allergen lysozyme. Mikrochim Acta 2023; 190:471. [PMID: 37975892 DOI: 10.1007/s00604-023-06054-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/17/2023] [Indexed: 11/19/2023]
Abstract
This study aims to develop a MIP-Apt-based electrochemical biosensor for the sensitive and selective determination of Lysozyme (Lyz), a food allergen. For the development of the sensor, in the first stage, modifications were made to the screen-printed electrode (SPE) surface with graphene oxide (GO) and gold nanoparticles (AuNPs) to increase conductivity and surface area. The advantages of using aptamer (Apt) and molecularly imprinted polymer (MIP) technology were combined in a single biointerface in the prepared sensing tool. Surface characterization of the biosensor was performed using scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray photoelectron spectrometry (XPS), contact angle measurements, cyclic voltammetry (CV), differential pulse voltammetry (DPV), and electrochemical impedance spectroscopy (EIS). A wide linear range from 0.001 to 100 pM was obtained under optimized conditions for the determination of Lyz detection using the proposed MIP-Apt sensing strategy. The limit of detection (LOD) and limit of quantification (LOQ) for Lyz were 3.67 fM and 12 fM, respectively. This biosensor displays high selectivity, repeatability, reproducibility, and long storage stability towards Lyz detection. The results show that a sensitive and selective sensor fabrication is achieved compared with existing methods.
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Affiliation(s)
- Niran Öykü Erdoğan
- Faculty of Science, Department of Chemistry, Ankara University, 06100, Ankara, Turkey
- Graduate School of Natural and Applied Sciences, Ankara University, Ankara, Turkey
| | - Bengi Uslu
- Faculty of Pharmacy, Department of Analytical Chemistry, Ankara University, 06560, Ankara, Turkey
| | - Gözde Aydoğdu Tığ
- Faculty of Science, Department of Chemistry, Ankara University, 06100, Ankara, Turkey.
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10
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Liang B, Xiao XY, Song ZY, Li YY, Cai X, Xia RZ, Chen SH, Yang M, Li PH, Lin CH, Huang XJ. Revealing the solid-solution interface interference behaviors between Cu 2+ and As(III) via partial peak area analysis of simulations and experiments. Anal Chim Acta 2023; 1277:341676. [PMID: 37604614 DOI: 10.1016/j.aca.2023.341676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/27/2023] [Accepted: 07/29/2023] [Indexed: 08/23/2023]
Abstract
The mutual interference in the sensing detection of heavy metal ions (HMIs) is considerably serious and complex. Besides, the co-existed ions may change the stripping peak intensity, shape and position of the target ion, which partly makes peak current analysis inaccurate. Herein, a promising approach of partial peak area analysis was proposed firstly to research the mutual interference. The interference between two species on their electrodeposition processes was investigated by simulating different kinetics parameters, including surface coverage, electro-adsorption, -desorption rate constant, etc. It was proved that the partial peak area is sensitive and regular to these interference kinetics parameters, which is favorable for distinctly identifying different interferences. Moreover, the applicability of the partial peak area analysis was verified on the experiments of Cu2+, As(III) interference at four sensing interfaces: glassy carbon electrode, gold electrode, Co3O4, and Fe2O3 nanoparticles modified electrodes. The interference behaviors between Cu2+ and As(III) relying on solid-solution interfaces were revealed and confirmed by physicochemical characterizations and kinetics simulations. This work proposes a new descriptor (partial peak area) to recognize the interference mechanism and provides a meaningful guidance for accurate detection of HMIs in actual water environment.
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Affiliation(s)
- Bo Liang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China; Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, PR China
| | - Xiang-Yu Xiao
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China; Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, PR China
| | - Zong-Yin Song
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China; Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, PR China
| | - Yong-Yu Li
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China; School of Environmental Science & Engineering, Tianjin University, Tianjin, 300350, PR China
| | - Xin Cai
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China; Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, PR China
| | - Rui-Ze Xia
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China; Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, PR China
| | - Shi-Hua Chen
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China
| | - Meng Yang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China
| | - Pei-Hua Li
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China.
| | - Chu-Hong Lin
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore.
| | - Xing-Jiu Huang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China; Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, 230026, PR China.
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11
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Tang S, Li C, Li L, Huang J, Wang B, Zhong R, Tang Y, Wu C, Wu K. Graphene/metal-organic framework nano-sandwiches derived N, P-codoped porous carbon nanosheets as robust material for electrochemical analysis. Anal Chim Acta 2023; 1277:341675. [PMID: 37604626 DOI: 10.1016/j.aca.2023.341675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/23/2023] [Accepted: 07/29/2023] [Indexed: 08/23/2023]
Abstract
Construction of novel two-dimensional porous carbon nanosheets with superior electrochemical activity is of great challenge. Here, graphene/ZIF-8 nano-sandwiches derived N, P-codoped porous carbon nanosheets (N, P-codoped PCN) was easily obtained by sequential room temperature self-assembly and high-temperature carbonization method. Relative to the widely used physically exfoliated graphene nanosheets (GN) and graphene/ZIF-8 derived N-doped porous carbon nanosheets (N-doped PCN), N, P-codoped PCN displayed larger active surface, faster electron transport ability and stronger physical adsorption ability, which can be ascribed to the dual doping effect of heteroatoms N and P. As a result, N, P-codoped PCN exhibited remarkable oxidation signal enhancement for tumor marker (8-hydroxy-2'-deoxyguanosine), analgesic and antipyretic drug (acetaminophen) and organic pesticide (benomyl). Besides, the limits of detection were measured as low as 1.58 nM, 7.50 nM and 2.10 nM with sensitivity of 270.00 μA μM-1 cm-2, 757.14 μA μM-1 cm-2 and 272.86 μA μM-1 cm-2 for 8-hydroxy-2'-deoxyguanosine, acetaminophen and benomyl, respectively. Basing on this, a novel and highly sensitive electrochemical sensing platform was developed. It is believed that the reported two-dimensional N, P-codoped PCN with unique structure and composition is highly valuable for the development of carbon-based electrochemical sensors.
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Affiliation(s)
- Shiyu Tang
- School of Materials Science & Engineering, Hubei University, Wuhan, 430062, China
| | - Caoling Li
- Equine Science Research and Horse Doping Control Laboratory, Wuhan Business University, Wuhan, 430056, China.
| | - Lele Li
- School of Materials Science & Engineering, Hubei University, Wuhan, 430062, China
| | - Jingqi Huang
- School of Materials Science & Engineering, Hubei University, Wuhan, 430062, China
| | - Bin Wang
- Hubei Provincial Institute for Food Supervision and Test, Wuhan, 430075, China
| | - Ruizheng Zhong
- School of Materials Science & Engineering, Hubei University, Wuhan, 430062, China
| | - Yong Tang
- Department of Hepatobiliary Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Can Wu
- College of Health Science and Engineering, Hubei University, Wuhan, 430062, China; Hubei Jiangxia Laboratory, Wuhan, 430299, China.
| | - Kangbing Wu
- College of Health Science and Engineering, Hubei University, Wuhan, 430062, China
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12
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Yadav M, Arora R, Dhanda M, Singh G, Mohan H, Lata S. TiO 2-guanine as a new amalgamation compound for fabrication of a disposable biosensor with high sensitivity and rapid detection of H1N1 swine flu virus. Mikrochim Acta 2023; 190:412. [PMID: 37740009 DOI: 10.1007/s00604-023-05984-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/03/2023] [Indexed: 09/24/2023]
Abstract
A TiO2-guanine nanocomposite (TG NC)-based electrochemical biosensor was immobilized with hemagglutinin (HA) gene specific probe with 5' NH2 group on screen-printed gold electrode (probe(ss)DNA-TG-SPGE). The modified biosensor was examined for H1N1 swine flu virus. TG NCs along with precursors were characterized spectroscopically and morphologically by employing several approaches. Electrochemical investigations were performed with the help of cyclic voltammetric (CV) and electrochemical impedance spectroscopy (EIS) in 0.1 M phosphate buffer saline (PBS; pH 7.4) with 1 µM methylene blue (MB) redox indicator. For better detection of single-stranded virus DNA, the modified electrode was optimized at various concentrations, pH, and scan rates. The modified biosensor showed high sensitivity (40.32 μA/ng.cm2), low LOD (0.00024 ng/6 µL), and broad linear range 0.0002-20 ng/6µL with coefficient of determination of R2=0.9981 for H1N1 virus detection. The HA gene-modified biosensor presented decent stability and specificity against different infectious pathogens including H3N2 virus and human DNA with negative response. Furthermore, the modified biosensor also responded well for real sample target DNA detection with a recovery of >96%. The simply designed HA gene-modified biosensor transduces decreased current response towards target-specific (ss)DNA binding and could be used as a rapid detection tool for H1N1 swine flu virus diagnosis.
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Affiliation(s)
- Meena Yadav
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, Haryana, India
| | - Rajat Arora
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, Haryana, India
| | - Monika Dhanda
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, Haryana, India
| | - Geeta Singh
- Department of Biomedical Engineering, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, Haryana, India
| | - Hari Mohan
- Centre of Medical Biotechnology, Maharshi Dayanand University, Rohtak, 124007, Haryana, India.
| | - Suman Lata
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, Haryana, India.
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13
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Cieślik M, Susik A, Banasiak M, Bogdanowicz R, Formela K, Ryl J. Tailoring diamondised nanocarbon-loaded poly(lactic acid) composites for highly electroactive surfaces: extrusion and characterisation of filaments for improved 3D-printed surfaces. Mikrochim Acta 2023; 190:370. [PMID: 37639048 PMCID: PMC10462739 DOI: 10.1007/s00604-023-05940-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 07/30/2023] [Indexed: 08/29/2023]
Abstract
A new 3D-printable composite has been developed dedicated to electroanalytical applications. Two types of diamondised nanocarbons - detonation nanodiamonds (DNDs) and boron-doped carbon nanowalls (BCNWs) - were added as fillers in poly(lactic acid) (PLA)-based composites to extrude 3D filaments. Carbon black served as a primary filler to reach high composite conductivity at low diamondised nanocarbon concentrations (0.01 to 0.2 S/cm, depending on the type and amount of filler). The aim was to thoroughly describe and understand the interactions between the composite components and how they affect the rheological, mechanical and thermal properties, and electrochemical characteristics of filaments and material extrusion printouts. The electrocatalytic properties of composite-based electrodes, fabricated with a simple 3D pen, were evaluated using multiple electrochemical techniques (cyclic and differential pulse voltammetry and electrochemical impedance spectroscopy). The results showed that the addition of 5 wt% of any of the diamond-rich nanocarbons fillers significantly enhanced the redox process kinetics, leading to lower redox activation overpotentials compared with carbon black-loaded PLA. The detection of dopamine was successfully achieved through fabricated composite electrodes, exhibiting lower limits of detection (0.12 μM for DND and 0.18 μM for BCNW) compared with the reference CB-PLA electrodes (0.48 μM). The thermogravimetric results demonstrated that both DND and BCNW powders can accelerate thermal degradation. The presence of diamondised nanocarbons, regardless of their type, resulted in a decrease in the decomposition temperature of the composite. The study provides insight into the interactions between composite components and their impact on the electrochemical properties of 3D-printed surfaces, suggesting electroanalytic potential.
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Affiliation(s)
- Mateusz Cieślik
- Department of Analytical Chemistry, Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308, Gdańsk, Poland.
- Division of Electrochemistry and Surface Physical Chemistry, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland.
| | - Agnieszka Susik
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland
| | - Mariusz Banasiak
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunication and Informatics, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland
| | - Robert Bogdanowicz
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunication and Informatics, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland
| | - Krzysztof Formela
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland
| | - Jacek Ryl
- Division of Electrochemistry and Surface Physical Chemistry, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland.
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14
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Navarrete E, Morales P, Muñoz-Osses M, Vásquez-Martínez Y, Godoy F, Maldonado T, Martí AA, Flores E, Mascayano C. Evaluating the inhibitory activity of ferrocenyl Schiff bases derivatives on 5-lipoxygenase: Computational and biological studies. J Inorg Biochem 2023; 245:112233. [PMID: 37141763 DOI: 10.1016/j.jinorgbio.2023.112233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/05/2023] [Accepted: 04/15/2023] [Indexed: 05/06/2023]
Abstract
In the search for new 5-LOX inhibitors, two ferrocenyl Schiff base complexes functionalized with catechol ((ƞ5-(E)-C5H4-NCH-3,4-benzodiol)Fe(ƞ5-C5H5) (3a)) and vanillin ((ƞ5-(E)-C5H4-NCH-3-methoxy-4-phenol)Fe(ƞ5-C5H5) (3b)) were obtained. Complexes 3a and 3b were biologically evaluated as 5-LOX inhibitors showed potent inhibition compared to their organic analogs (2a and 2b) and known commercial inhibitors, with IC50 = 0.17 ± 0.05 μM for (3a) and 0.73 ± 0.06 μM for (3b) demonstrated a highly inhibitory and potent effect against 5-LOX due to the incorporation of the ferrocenyl fragment. Molecular dynamic studies showed a preferential orientation of the ferrocenyl fragment toward the non-heme iron of 5-LOX, which, together with electrochemical and in-vitro studies, allowed us to propose a competitive redox deactivation mechanism mediated by water, where Fe(III)-enzyme can be reduced by the ferrocenyl fragment. An Epa/IC50 relationship was observed, and the stability of the Schiff bases was evaluated by SWV in the biological medium, observing that the hydrolysis does not affect the high potency of the complexes, making them interesting alternatives for pharmacological applications.
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Affiliation(s)
| | - Pilar Morales
- Departamento Ciencias del Ambiente, Universidad de Santiago de Chile, Chile
| | | | - Yesseny Vásquez-Martínez
- Programa Centro de Investigaciones Biomédicas y Aplicadas (CIBAP), Escuela de Medicina, Facultad de Ciencias Médicas, Universidad de Santiago de Chile, Chile
| | - Fernando Godoy
- Departamento Química de los Materiales, Universidad de Santiago de Chile, Chile
| | - Tamara Maldonado
- Instituto de Química, Pontificia Universidad Católica de Valparaíso, Casilla 4059, Valparaíso, Chile
| | - Angel A Martí
- Department of Chemistry, Bioengineering and Materials Science & Nanoengineering, Rice University, Houston, TX 77005, United States
| | - Erick Flores
- Departamento Química de los Materiales, Universidad de Santiago de Chile, Chile.
| | - Carolina Mascayano
- Departamento Ciencias del Ambiente, Universidad de Santiago de Chile, Chile.
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15
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Zhao S, Zhang Y, Xu Z, Wang H, Xu L, Wu Y, Zeng X, Luo X. A low-fouling electrochemical biosensor for biomarker detection in serum based on designed α/β-peptides with anti-enzymolysis and antifouling capabilities. Anal Chim Acta 2023; 1263:341244. [PMID: 37225330 DOI: 10.1016/j.aca.2023.341244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/16/2023] [Accepted: 04/20/2023] [Indexed: 05/26/2023]
Abstract
The zwitterionic peptides, especially those composed of glutamic (E) and lysine (K) groups have drawn enormous attention as antifouling biomaterials owing to their strong hydration capability and biocompatibility. However, the susceptibility of α-amino acid K to the proteolytic enzymes in human serum limited the broad application of such peptides in biological media. Herein, a new multifunctional peptide with favorable stability in human serum was designed, and it was composed of three sections with immobilizing, recognizing and antifouling capabilities, respectively. The antifouling section was composed of alternating E and K amino acids, but the enzymolysis-susceptive amino acid α-K was replaced by the unnatural β-K. Compared with the conventional peptide composed of all α-amino acids, the α/β-peptide exhibited significantly enhanced stability and longer antifouling performance in human serum and blood. The electrochemical biosensor based on the α/β-peptide showed a favorable sensitivity to its target IgG, with a quite wide linear range from 100 pg mL-1 to 10 μg mL-1 and a low detection limit (33.7 pg mL-1, S/N = 3), and it was promising for the detection of IgG in complex human serum. The tactic of designing antifouling α/β-peptides offered an efficient way to develop low-fouling biosensors with robust operation in complex body fluids.
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Affiliation(s)
- Shuju Zhao
- State Key Laboratory Base of Eco-chemical Engineering, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Yuxi Zhang
- State Key Laboratory Base of Eco-chemical Engineering, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Zhenying Xu
- State Key Laboratory Base of Eco-chemical Engineering, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Hao Wang
- State Key Laboratory Base of Eco-chemical Engineering, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Liang Xu
- State Key Laboratory Base of Eco-chemical Engineering, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Yumin Wu
- State Key Laboratory Base of Eco-chemical Engineering, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Xianghua Zeng
- State Key Laboratory Base of Eco-chemical Engineering, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Xiliang Luo
- State Key Laboratory Base of Eco-chemical Engineering, Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China.
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16
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Nixon EJ, Sakthivel R, ALOthman ZA, Ganesh PS, Chung RJ. Lanthanum nickelate spheres embedded acid functionalized carbon nanofiber composite: An efficient electrocatalyst for electrochemical detection of food additive vanillin. Food Chem 2023; 409:135324. [PMID: 36586249 DOI: 10.1016/j.foodchem.2022.135324] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 12/25/2022]
Abstract
Contemporary food marketing is ruined by flavor enhancers rather than emphasizing the nutritional value of food. Vanillin is an overexploited flavor enhancer added to food items, thereby necessitating its detection. In this study, an electrochemical sensor was designed using a modified electrode made up of La2NiO4 functionalized carbon nanofiber (f-CNF) to effectively detect vanillin in food samples. To confirm the successful formation of La2NiO4/f-CNF, structural and morphological studies were performed using X-ray diffraction, Raman spectroscopy, scanning electron microscopy, and X-ray photoelectron spectroscopy. Further electrochemical analysis was performed using cyclic voltammetry and differential pulse voltammetry techniques, which resulted in high sensitivity (0.2899 µA·μM-1·cm-2) and low limit of detection (LOD) (6 nM). This modified electrode material was tested in food samples, which showed an excellent response with recovery percentage and is a promising electrocatalyst for vanillin detection.
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Affiliation(s)
- Evangeline Jafneel Nixon
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, Taiwan
| | - Rajalakshmi Sakthivel
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, Taiwan
| | | | - Pattan-Siddappa Ganesh
- Interaction Laboratory, Advanced Technology Research Center, Future Convergence Engineering, Korea University of Technology and Education, Republic of Korea
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, Taiwan.
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17
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Pateriya RV, Tanwar S, Sharma AL. A Critical Review on Orthosilicate Li2MSiO4 (M= Fe, Mn) Electrode Materials for Li Ion Batteries. J Phys Condens Matter 2023; 35. [PMID: 37160130 DOI: 10.1088/1361-648x/acd3cd] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/09/2023] [Indexed: 05/11/2023]
Abstract
The development of novel electrode materials with good electrochemical performances is necessary for the expanded and varied applications of lithium-ion batteries, and this development heavily relies on cathode materials. Due to excellent thermal stability, abundance, low cost, and environmental friendliness, orthosilicate cathode materials Li2MSiO4 (M= Fe, Mn) has received a lot of attention recently. The present review article gives a glimpse into the characteristics, advantages, and recent progress of orthosilicate cathode materials. This review starts with a brief history and working mechanism of batteries, the advantages of cathode materials followed by types of cathode materials, various synthesis methods, and different techniques used for their characterization. The most current initiatives to enhance orthosilicate Li2MSiO4 type electrochemical performances were introduced in this review. We provide a critical assessment of the efficient modification techniques for the orthosilicate Li2MSiO4 type cathode materials in particular. These potential cathode materials' synthesis, structure, morphologies, and particularly electrochemical performances have been thoroughly examined. This evaluation, we hope, will clarify the sustained advancement of high-efficiency and reasonably priced Li-ion batteries
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Affiliation(s)
- Ravi Vikash Pateriya
- Department of Physics, Central University of Punjab, Main Campus, Bathinda, 151001, INDIA
| | - Shweta Tanwar
- Central University of Punjab, Department of Physics, Bathinda, Punjab, 151001, INDIA
| | - A L Sharma
- Centre for Physical Sciences, Central University of Punjab, Central University of Punjab, Bathinda, Bathinda, 151001, INDIA
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18
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Keshk AA, Elsayed NH, Zareh MM, Alenazi DAK, Said S, Alatawi AO, Albalawi RK, Maher M, Algabry SM, Shoueir K. Kappa-carrageenan for benign preparation of CdSeNPs enhancing the electrochemical measurement of AC symmetric supercapacitor device based on neutral aqueous electrolyte. Int J Biol Macromol 2023; 234:123620. [PMID: 36773863 DOI: 10.1016/j.ijbiomac.2023.123620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/05/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023]
Abstract
This study presents the development of an electrochemical supercapacitor with a cadmium selenide nanoparticles (CdSeNPs) electrode utilizing a straightforward and economical method based on kappa-carrageenan (κ-CGN). The structural, morphological, and optical characteristics of CdSeNPs were assessed. Activated carbon (AC) and green-prepared CdSeNPs were easily mixed to achieve excellent electrochemical properties. The nanoelectrode (AC@CdSe) was tested in an aqueous electrolyte of sodium sulfate (Na2SO4) with a concentration of 1 Molar. Specific capacitance (Csp) for the AC electrode and the AC@CdSe electrode at 1 A g-1 was calculated to be 103 and 480 F g-1, respectively. Besides, the symmetric supercapacitor AC@CdSe/AC@CdSe device has a high specific energy of 52 Wh kg-1 and a maximum specific power of 2880 W kg-1, with a specific capacitance of 115.5 F g-1. With a coulombic efficiency of between 82 % and 100 %, the device continues to maintain excellent capacitance after 10.000 cycles.
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Affiliation(s)
- Ali A Keshk
- Department of Chemistry, Faculty of Science, University of Tabuk, 71474 Tabuk, Saudi Arabia.
| | - Nadia H Elsayed
- Department of Chemistry, Faculty of Science, University of Tabuk, 71474 Tabuk, Saudi Arabia; Department of Polymers and Pigments, National Research Centre, Dokki, Cairo 12311, Egypt
| | - Mohsen M Zareh
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Duna A K Alenazi
- Department of Chemistry, Faculty of Science, University of Tabuk, 71474 Tabuk, Saudi Arabia
| | - S Said
- Physics Department, Faculty of Science, University of Tabuk, 71421, Saudi Arabia; Physics Department, Faculty of Science, Benha University, Benha, Egypt
| | | | - Raghad K Albalawi
- Department of Chemistry, University College Alwajh, University of Tabuk, Tabuk 71421, Saudi Arabia
| | - Mahmoud Maher
- Mechatronics Department, Institute of Engineering and Technology, Al-Mahalla-El-Kobra, Egypt
| | - Samar M Algabry
- Institute of Nanoscience & Nanotechnology, Kafrelsheikh University, 33516 Kafrelsheikh, Egypt
| | - Kamel Shoueir
- Institute of Nanoscience & Nanotechnology, Kafrelsheikh University, 33516 Kafrelsheikh, Egypt; Institut de Chimie et Procédés pour l'Énergie, l'Environnement et la Santé (ICPEES), CNRS UMR 7515-Université de Strasbourg, 25 rue Becquerel, 67087 Strasbourg, France.
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19
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Ma T, Liu M, Offiong NAO, Duan J, Liu Y, Ren H, Zhou R. Highly-efficient peroxydisulfate activation by polyaniline-polypyrrole copolymers derived pyrolytic carbon for 2,4-dichlorophenol removal in water: Coupling mechanism of singlet oxygen and electron transfer. J Hazard Mater 2023; 445:130580. [PMID: 37055985 DOI: 10.1016/j.jhazmat.2022.130580] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/29/2022] [Accepted: 12/07/2022] [Indexed: 06/19/2023]
Abstract
Carbonization of N-containing aromatic polymers is a promising route to prepare N-doped carbon materials with low cost, easy regulation, and no external N source. However, there are relatively few studies applying these materials for persulfate activation, and the catalytic mechanisms of the existing reaction systems are divergent. In this paper, a series of N-doped carbon materials were prepared by carbonizing polyaniline (PANI), polypyrrole (PPy), and PANI-PPy copolymers. The copolymer-derived carbon materials exhibit superior peroxydisulfate (PDS) catalytic activity compared to some commercially available and reported carbon materials. Combing quenching experiments, EPR analysis, chemical probe analysis, and various electrochemical analysis methods identified the singlet oxygen (1O2) and electron transfer as the main reaction pathways of all systems, but the contribution of each pathway was influenced by the types of precursors. The structure-activity relationship indicated that the carbonyl group (CO) was the main active site for the 1O2 pathway, while the electron transfer ability of the reaction system and the potential of the complex formed by catalyst and PDS jointly determined the electron transfer pathway. This paper provides a new strategy for obtaining excellent N-doped carbon-based persulfate activators and deepens the insight into the mechanism of PDS activation by N-doped carbon materials.
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Affiliation(s)
- Taigang Ma
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China
| | - Meijun Liu
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China
| | - Nnanake-Abasi O Offiong
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China; Department of Chemical Sciences, Topfaith University, Mkpatak, Nigeria
| | - Jinhao Duan
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China
| | - Yuchun Liu
- College of Water Sciences, Beijing Normal University, Beijing 100875, PR China
| | - Hejun Ren
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China.
| | - Rui Zhou
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China.
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20
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Kumano M, Sugiyama K, Sato F, Komatsu S, Watanabe K, Ono T, Yoshida K, Sasano Y, Iwabuchi Y, Fujimura T, Kashiwagi Y, Sato K. Electrochemical reactions of highly active nitroxyl radicals with thiol compounds. ANAL SCI 2023; 39:369-374. [PMID: 36576651 DOI: 10.1007/s44211-022-00246-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 12/13/2022] [Indexed: 12/29/2022]
Abstract
Nitroxyl radicals are known to electrochemically oxidize thiols as well as alcohols and amines. In this study, a preliminary investigation of the electrochemical reaction of thiols with 9-azabicyclo[3.3.1]nonane N-oxyl (ABNO), 2-azaadamantane N-oxyl (AZADO), and nortropine N-oxyl (NNO), which are highly active due to their bicyclo structures, for use in electrochemical analysis was performed and the results were compared with those for a typical nitroxyl radical compound, 2,2,6,6-tetramethylpiperidine N-oxyl (TEMPO). Mercaptopropane sulfonic acid (MPS) was used as a model compound to investigate the electrochemical response in aqueous solution. In addition, electrochemical detection of glutathione, a biological thiol molecule, was performed.
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Affiliation(s)
- Masayuki Kumano
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba, Sendai, Miyagi, 981-8558, Japan
| | - Kyoko Sugiyama
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba, Sendai, Miyagi, 981-8558, Japan
| | - Fumiya Sato
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba, Sendai, Miyagi, 981-8558, Japan
| | - Sachiko Komatsu
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba, Sendai, Miyagi, 981-8558, Japan
| | - Kazuhiro Watanabe
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba, Sendai, Miyagi, 981-8558, Japan
| | - Tetsuya Ono
- School of Pharmaceutical Sciences, Ohu University, 31-1 Misumido, Tomita-Machi, Koriyama, Fukushima, 963-8611, Japan
| | - Kentaro Yoshida
- School of Pharmaceutical Sciences, Ohu University, 31-1 Misumido, Tomita-Machi, Koriyama, Fukushima, 963-8611, Japan
| | - Yusuke Sasano
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Yoshiharu Iwabuchi
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Tsutomu Fujimura
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba, Sendai, Miyagi, 981-8558, Japan
| | - Yoshitomo Kashiwagi
- School of Pharmaceutical Sciences, Ohu University, 31-1 Misumido, Tomita-Machi, Koriyama, Fukushima, 963-8611, Japan.
| | - Katsuhiko Sato
- Faculty of Pharmaceutical Science, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba, Sendai, Miyagi, 981-8558, Japan.
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21
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Wanjari VP, Reddy AS, Duttagupta SP, Singh SP. Laser-induced graphene-based electrochemical biosensors for environmental applications: a perspective. Environ Sci Pollut Res Int 2023; 30:42643-42657. [PMID: 35622288 DOI: 10.1007/s11356-022-21035-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
Biosensors are miniaturized devices that provide the advantage of in situ and point-of-care monitoring of analytes of interest. Electrochemical biosensors use the mechanism of oxidation-reduction reactions and measurement of corresponding electron transfer as changes in current, voltage, or other parameters using different electrochemical techniques. The use of electrochemically active materials is critical for the effective functioning of electrochemical biosensors. Laser-induced graphene (LIG) has garnered increasing interest in biosensor development and improvement due to its high electrical conductivity, specific surface area, and simple and scalable fabrication process. The effort of this perspective is to understand the existing classes of analytes and the mechanisms of their detection using LIG-based biosensors. The manuscript has highlighted the potential use of LIG, its modifications, and its use with various receptors for sensing various environmental pollutants. Although the conventional graphene-based sensors effectively detect trace levels for many analytes in different applications, the chemical and energy-intensive fabrication and time-consuming processes make it imperative to explore a low-cost and scalable option such as LIG for biosensors production. The focus of these potential biosensors has been kept on detection analytes of environmental significance such as heavy metals ions, organic and inorganic compounds, fertilizers, pesticides, pathogens, and antibiotics. The use of LIG directly as an electrode, its modifications with nanomaterials and polymers, and its combination with bioreceptors such as aptamers and polymers has been summarized. The strengths, weaknesses, opportunities, and threats analysis has also been done to understand the viability of incorporating LIG-based electrochemical biosensors for environmental applications.
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Affiliation(s)
- Vikram P Wanjari
- Centre for Research in Nanotechnology and Science, IIT Bombay, Mumbai, India
| | - A Sudharshan Reddy
- Environmental Science and Engineering Department, IIT Bombay, Mumbai, India
| | - Siddhartha P Duttagupta
- Centre for Research in Nanotechnology and Science, IIT Bombay, Mumbai, India
- Department of Electrical Engineering, IIT Bombay, Mumbai, India
| | - Swatantra P Singh
- Centre for Research in Nanotechnology and Science, IIT Bombay, Mumbai, India.
- Environmental Science and Engineering Department, IIT Bombay, Mumbai, India.
- Interdisciplinary Program in Climate Studies, IIT Bombay, Mumbai, India.
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22
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Li PH, Song ZY, Xiao XY, Liang B, Yang M, Chen SH, Liu WQ, Huang XJ. Coordination engineering strategy of iron single-atom catalysts boosts anti-Cu(II) interference detection of As(III) with a high sensitivity. J Hazard Mater 2023; 442:130122. [PMID: 36303353 DOI: 10.1016/j.jhazmat.2022.130122] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/23/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
Mutual interference issues between heavy metal ions tremendously affect the detection reliability and accuracy in water quality analysis, especially the serious interference of Cu(II) on the detection of As(III) is greatly hard to overcome, which needs to be solved urgently. Herein, iron single-atom catalysts with different coordination structures of FeN2C2 and FeN3P are constructed to selectively catalyze the detection of As(III) in the coexistence of Cu(II). FeN3P achieves a high sensitivity of 3.90 µA ppb-1 toward As(III) in NH4Cl/NH3·H2O electrolyte (pH 8.0), completely avoiding Cu(II)-interference. Moreover, the turnover frequency (TOF) of FeN3P is an order of magnitude higher than that of FeN2C2. X-ray absorption fine structure (XAFS) spectroscopy and density functional theory (DFT) calculations demonstrate that an As-O bond of H3AsO3 is broken by the strong affinities between both P and O atoms and Fe and As atoms, and H3AsO3 are preferentially reduced by FeN3P during adsorptive process. Meanwhile, the low reaction energy barrier of the rate-determined step for As(III) reduction over FeN3P also accelerates the deposition of As(III) and enhances its response signals. The free-Cu(II) are difficult to adsorb on FeN3P and do not compete with As(III) for Fe active sites, which contributes to the excellent anti-Cu(II) interference capability.
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Affiliation(s)
- Pei-Hua Li
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, PR China
| | - Zong-Yin Song
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, PR China; Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, PR China
| | - Xiang-Yu Xiao
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, PR China; Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, PR China
| | - Bo Liang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, PR China; Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, PR China
| | - Meng Yang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, PR China
| | - Shi-Hua Chen
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, PR China
| | - Wen-Qing Liu
- Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei 230031, PR China.
| | - Xing-Jiu Huang
- Key Laboratory of Environmental Optics and Technology, And Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, PR China; Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, PR China.
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23
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Parthipan P, Cheng L, Dhandapani P, Rajasekar A. Metagenomics diversity analysis of sulfate-reducing bacteria and their impact on biocorrosion and mitigation approach using an organometallic inhibitor. Sci Total Environ 2023; 856:159203. [PMID: 36202367 DOI: 10.1016/j.scitotenv.2022.159203] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 09/06/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
Sulfate-reducing bacteria (SRB) have impacted the biocorrosion process for various industrial sectors, especially in the oil and gas industry. The higher stability over extreme conditions is the key parameter for their survival in such environments. So far, many materials have been tried to minimize or control the growth of SRB. In the present study, an organo-metallic compound of the zinc sorbate (ZS) was successfully synthesized by the simple co-precipitation method and its improved antibacterial activity against SRB. The SRB consortia are enriched from the sub-surface soil sample and identified by 16s rDNA sequencing by targeting the V3-V4 region. The most dominating genera identified with sulfate-reducing capability are Sulfurospirillum (42 %), Shewanella (19 %) Bacteroides (14 %), and Desulfovibrio (8 %). Further biocorrosion experiments are conducted by weight loss methods. Higher corrosion current density (Icorr) and less charge transfer resistance (Rct) are observed for the SRB consortia. Concurrently, higher Rct is kept for the inhibitor-included systems. The slowest release of the sorbate into the medium suppressed the growth of the SRB bacterial cells with 86 ± 3 % corrosion inhibition efficiency and prevented further corrosion reactions by forming a protective layer over the surface of the carbon steel API 5LX. The surface analysis strongly confirmed that SRB caused pitting corrosion, which has been suppressed in the inhibitor-included systems.
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Affiliation(s)
- Punniyakotti Parthipan
- School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 203, Tamil Nadu, India
| | - Liang Cheng
- School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Institute of Materials Engineering Nanjing University, Nantong 226000, China.
| | - Perumal Dhandapani
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore, Tamil Nadu 632115, India
| | - Aruliah Rajasekar
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore, Tamil Nadu 632115, India
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24
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Pourali A, Omidi Y. Diagnosis of acute myocardial infarction: highlighting cardiac troponins as vital biomarkers. Bioimpacts 2023; 13:85-88. [PMID: 37193078 PMCID: PMC10182445 DOI: 10.34172/bi.2023.22023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 11/30/2021] [Indexed: 05/18/2023]
Abstract
The molecular marker, cardiac troponin (cTn) is a complex protein that is attached to tropomyosin on the actin filament. It is an essential biomolecule in terms of the calcium-mediated regulation of the contractile apparatus in myofibrils, the release of which is an indication of the dysfunction of cardiomyocytes and hence the initiation of ischemic phenomena in the heart tissue. Fast and accurate analysis of cTn may help the diagnosis and management of acute myocardial infarction (AMI), for which electrochemical biosensors and microfluidics devices can be of great benefit. This editorial aims to highlight the importance of cTn as vital biomarkers in AMI diagnosis.
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Affiliation(s)
- Ali Pourali
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yadollah Omidi
- Department of Pharmaceutical Sciences, College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL33328, USA
- Corresponding author: Yadollah Omidi,
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25
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Korah BK, Chacko AR, Mathew S, John BK, Abraham T, Mathew B. Biomass-derived carbon dots as a sensitive and selective dual detection platform for fluoroquinolones and tetracyclines. Anal Bioanal Chem 2022. [PMID: 35579676 DOI: 10.1007/s00216-022-04119-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/04/2022] [Indexed: 01/24/2023]
Abstract
A novel carbon dot (CD) was synthesized through the facile and simple hydrothermal method from Curcuma amada, as the precursor for the first time. These CDs with an average diameter of 4.6 nm display blue fluorescence, with excitation/emission maxima at 360/445 nm and a quantum yield of 14.1%. It exhibited high stability under different conditions and was characterized using various techniques. These CDs can be employed as a dual-sensing platform to detect tetracyclines and fluoroquinolones, two antibiotic classes. Even though antibiotics are regarded as an inevitable commodity, overuse and improper management of discarded antibiotics pose a severe threat to the environment. Herein, we developed a dual-sensing, biocompatible sensor with high selectivity and sensitivity to detect antibiotics. CD was employed as a fluorescence probe and detected tetracycline and fluoroquinolone antibiotic through inner filter effect-based fluorescence quenching and hydrogen bonding-based enhancement process, respectively. The linear range was 0-16 μM and the detection limit was 33 nM for tetracycline and 2 nM for fluoroquinolone antibiotic. As an electrochemical probe, CD selectively detected tetracycline with a lower detection limit of 0.5 nM over a linear range of 0-16 μM. Using both methods, a real sample analysis of the developed sensor exhibited accurate reliability and precision.
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26
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Sinha A, Dhanjai, Stavrakis AK, Stojanović GM. Textile-based electrochemical sensors and their applications. Talanta 2022; 244:123425. [PMID: 35397323 DOI: 10.1016/j.talanta.2022.123425] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 03/13/2022] [Accepted: 03/29/2022] [Indexed: 10/18/2022]
Abstract
Textile and their composite-based functional sensors are extensively acknowledged and preferred detection platforms in recent times. Developing suitable methodologies for fabricating textile sensors can be achieved either by integration of conductive fibers and yarns into textiles using technologies such as weaving, knitting and embroidery; or by functionalization of textile materials with conductive nanomaterials/inks using printing or coating methods. Textile materials are gaining enormous attention for fabricating soft lab-on-fabric devices due to their unique features such as high flexibility, wear and wash resistance, mechanical strength and promising sensing performances. Owing to these collective properties, textile-based electrochemical transducers are now showcasing rapid and accurate electrical measurements towards real time point-of-care diagnostics and environmental monitoring applications. The present review provides a brief overview of key progress made in the field of developing textile materials and their composites-based electrochemical sensors and biosensors in recent years where electrode configurations are specifically based on either natural or synthetic fabrics. Different ways to fabricate and functionalize textiles for their application in electrochemical analysis are briefly discussed. The review ends with a conclusive note focusing on the current challenges in the fabrication of textile-based stable electrochemical sensors and biosensors.
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Affiliation(s)
- Ankita Sinha
- University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000, Novi Sad, Serbia.
| | - Dhanjai
- BioSense Institute, Dr Zorana Đinđića 1, University of Novi Sad, Novi Sad, 21000, Serbia
| | - Adrian K Stavrakis
- University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000, Novi Sad, Serbia
| | - Goran M Stojanović
- University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000, Novi Sad, Serbia
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27
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Hui N, Wang J, Wang D, Wang P, Luo X, Lv S. An ultrasensitive biosensor for prostate specific antigen detection in complex serum based on functional signal amplifier and designed peptides with both antifouling and recognizing capabilities. Biosens Bioelectron 2022; 200:113921. [PMID: 34973567 DOI: 10.1016/j.bios.2021.113921] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/18/2021] [Accepted: 12/24/2021] [Indexed: 12/31/2022]
Abstract
The development of biosensors capable of averting biofouling and detecting biomarkers in complex biological media remains a challenge. Herein, an ultralow fouling and highly sensitive biosensor based on specifically designed antifouling peptides and a signal amplification strategy was designed for prostate specific antigen (PSA) detection in human serum. A low fouling layer of poly(ethylene glycol) (PEG) doped the conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) was electrodeposited on the electrode surface, followed by the immobilization of streptavidin and further attachment of biotin-labelled peptides. The peptide was designed to include PSA specific recognition domain (HSSKLQK) and antifouling domain (PPPPEKEKEKE), and the terminal of the peptide was functionalized with -SH group. DNA functionalized gold nanorods (DNA/AuNRs) were then attached to the electrode, and methylene blue (MB) molecules were adsorbed to the DNA to form the signal amplifier. In the presence of PSA, the peptide was specifically cleaved and resulted in the loss of AuNRs together with DNA and MB, and thus significant decrease of the current signal. The biosensor exhibited a low limit of detection (LOD) of 0.035 pg mL-1 (S/N = 3), with a wide linear range from 0.10 pg mL-1 to 10.0 ng mL-1, and it was able to detect PSA in real human serum owing to the presence of the antifouling peptides, indicating great potential of the constructed biosensor for practical application.
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Affiliation(s)
- Ni Hui
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, PR China
| | - Jiasheng Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, PR China
| | - Dongwei Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, PR China
| | - Peipei Wang
- Department of Rehabilitation Medicine, Affiliated Qingdao Central Hospital, Qingdao University, Qingdao, 266042, China
| | - Xiliang Luo
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China.
| | - Shaoping Lv
- Department of Rehabilitation Medicine, Affiliated Qingdao Central Hospital, Qingdao University, Qingdao, 266042, China.
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28
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Li Y, Ma Y, Lichtfouse E, Song J, Gong R, Zhang J, Wang S, Xiao L. In situ electrochemical synthesis of graphene-poly(arginine) composite for p-nitrophenol monitoring. J Hazard Mater 2022; 421:126718. [PMID: 34339986 DOI: 10.1016/j.jhazmat.2021.126718] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/16/2021] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
Para-Nitrophenol (p-nitrophenol) is a common industrial pollutant occurring widely in water bodies, yet actual monitoring methods are limited. Herein we proposed a fully electrochemically in situ synthesized graphene-polyarginine composite functionalized screen printed electrode, as a novel p-nitrophenol sensing platform. The electrode was characterized by morphologic, spectrometric and electrochemical techniques. p-nitrophenol in both pure aqueous solution and real water samples was tested. Results show a detection limit as low as the nanomolar level, and display a linear response and high selectivity in the range of 0.5-1250 μM. Molecular simulation reveals a detailed synergy between graphene and poly-arginine. The preferable orientation of nitrophenol molecules on the graphene interface in the presence of poly-arginine induces H- and ionic binding. This sensor is an ideal prototype for p-nitrophenol quantification in real waters.
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Affiliation(s)
- Yiwei Li
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, PR China; Shandong Provincial Key Laboratory of Biosensors, Jinan 250103, PR China
| | - Yaohong Ma
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, PR China; Shandong Provincial Key Laboratory of Biosensors, Jinan 250103, PR China
| | - Eric Lichtfouse
- Aix-Marseille Univ, CNRS, IRD, INRA, Coll France, CEREGE, Avenue Louis Philibert, Aix en Provence 13100, France; State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, PR China
| | - Jin Song
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, PR China; Shandong Provincial Key Laboratory of Biosensors, Jinan 250103, PR China
| | - Rui Gong
- National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing 100101, PR China
| | - Jinheng Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, PR China; Shandong Provincial Key Laboratory of Biosensors, Jinan 250103, PR China
| | - Shuo Wang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, PR China; Shandong Provincial Key Laboratory of Biosensors, Jinan 250103, PR China
| | - Leilei Xiao
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, PR China; Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, PR China; CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, PR China.
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29
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Wang J, Xia Q, Wu J, Lin Y, Ju H. A sensitive electrochemical method for rapid detection of dengue virus by CRISPR/Cas13a-assisted catalytic hairpin assembly. Anal Chim Acta 2021; 1187:339131. [PMID: 34753581 DOI: 10.1016/j.aca.2021.339131] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 09/24/2021] [Accepted: 09/28/2021] [Indexed: 12/26/2022]
Abstract
Dengue fever caused by Dengue virus (DENV) infection has been widely popular, especially in tropical and subtropical areas. Rapid and sensitive diagnosis is the first priority for treatment of DENV infection. This work designed a signal amplification strategy for sensitive electrochemical detection of DENV by using a clustered regularly interspaced short palindromic repeats (CRISPR)/Cas13a system for catalytic hairpin assembly on electrode surface. The presence of target RNA could activate the cleavage activity of the CRISPR/Cas13a system to release the blocker silenced swing arms, which then hybridized with hairpin 1 (H1) immobilized on electrode surface to expose the pre-locked toehold domain of H1 for the hybridization of ferrocene-labeled hairpin 2 (H2-Fc). Eventually, a large number of H2-Fc were captured to the electrode to produce amperometric signal for achieving signal amplification. This method showed a linear detection range from 5 fM to 50 nM with a detection limit of 0.78 fM. The proposed assay was successfully used to detect DENV type 1 in total RNA sample extracted, indicating great potential for application in early clinical diagnostic.
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Affiliation(s)
- Jiaojiao Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, PR China
| | - Qianfeng Xia
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, PR China
| | - Jie Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, PR China
| | - Yingzi Lin
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine and Laboratory Medicine, Hainan Medical University, Haikou, 571199, PR China.
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, PR China.
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30
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Lotfi Marchoubeh M, Cobb SJ, Abrego Tello M, Hu M, Jaquins-Gerstl A, Robbins EM, Macpherson JV, Michael AC, Fritsch I. Miniaturized probe on polymer SU-8 with array of individually addressable microelectrodes for electrochemical analysis in neural and other biological tissues. Anal Bioanal Chem 2021; 413:6777-6791. [PMID: 33961102 DOI: 10.1007/s00216-021-03327-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 03/15/2021] [Accepted: 04/01/2021] [Indexed: 01/08/2023]
Abstract
An SU-8 probe with an array of nine, individually addressable gold microband electrodes (100 μm long, 4 μm wide, separated by 4-μm gaps) was photolithographically fabricated and characterized for detection of low concentrations of chemicals in confined spaces and in vivo studies of biological tissues. The probe's shank (6 mm long, 100 μm wide, 100 μm thick) is flexible, but exhibits sufficient sharpness and rigidity to be inserted into soft tissue. Laser micromachining was used to define probe geometry by spatially revealing the underlying sacrificial aluminum layer, which was then etched to free the probes from a silicon wafer. Perfusion with fluorescent nanobeads showed that, like a carbon fiber electrode, the probe produced no noticeable damage when inserted into rat brain, in contrast to damage from an inserted microdialysis probe. The individual addressability of the electrodes allows single and multiple electrode activation. Redox cycling is possible, where adjacent electrodes serve as generators (that oxidize or reduce molecules) and collectors (that do the opposite) to amplify signals of small concentrations without background subtraction. Information about electrochemical mechanisms and kinetics may also be obtained. Detection limits for potassium ferricyanide in potassium chloride electrolyte of 2.19, 1.25, and 2.08 μM and for dopamine in artificial cerebral spinal fluid of 1.94, 1.08, and 5.66 μM for generators alone and for generators and collectors during redox cycling, respectively, were obtained.
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Affiliation(s)
- Mahsa Lotfi Marchoubeh
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR, 72701, USA
| | - Samuel J Cobb
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
- Department of Chemistry and Centre for Doctoral Training in Diamond Science and Technology, and Department of Physics, University of Warwick, Coventry, UK
| | - Miguel Abrego Tello
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR, 72701, USA
| | - Mengjia Hu
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR, 72701, USA
| | | | - Elaine M Robbins
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Julie V Macpherson
- Department of Chemistry and Centre for Doctoral Training in Diamond Science and Technology, and Department of Physics, University of Warwick, Coventry, UK
| | - Adrian C Michael
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Ingrid Fritsch
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, AR, 72701, USA.
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Li Y, Geng C, Xu X, Lv X, Fang Y, Wang N, Yang Y, Cui B. Construction of polythiophene-derivative films as a novel electrochemical sensor for highly sensitive detection of nitrite. Anal Bioanal Chem 2021; 413:6639-6647. [PMID: 34595556 DOI: 10.1007/s00216-021-03630-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/08/2021] [Accepted: 08/19/2021] [Indexed: 11/30/2022]
Abstract
Herein, a novel, convenient, and highly selective electrochemical sensor for determination of nitrite based on a polythiophene-derivative film-modified glassy carbon electrode (GCE) was established. In this work, 2,5-di-thiophen-3-yl-thiazolo[5,4-d]thiazole (DTT), a novel thiophene derivative, was synthesized and used to form an original and excellent polymer film (PolyDTTF) on GCE through one-step electropolymerization for the first time. The modified electrodes were characterized by electron microscopy (SEM), Fourier transform infra-red spectroscopy (FT-IR), UV-visible spectra, Raman spectroscopy, and electrochemical technologies, in which the electrochemical sensor based on PolyDTTF was successfully constructed and demonstrated a significant electrocatalytic effect on nitrite. The influence of pH value, electrodeposition scanning times, scanning speed, and potential on the electrochemical behavior of nitrite were investigated in detail. Furthermore, the nitrite sensor exhibits excellent responses proportional to nitrite concentrations (R2 = 0.9972) over a concentration range of 5.5 × 10-9 ~ 3.5 × 10-5 M with a detection limit (LOD) of 2 nM, and has extremely good anti-interference ability for nitrite detection. This proposed sensor can be used to detect nitrite in actual samples, opening the possibility for applications in the food industry and environmental analysis.
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Affiliation(s)
- Yanping Li
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, Shandong, China
| | - Chao Geng
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, Shandong, China
| | - Xiaoyun Xu
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, Shandong, China
| | - Xiaoyi Lv
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, Shandong, China
| | - Yishan Fang
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, Shandong, China.
| | - Na Wang
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, Shandong, China
| | - Yunjun Yang
- Academy of Advanced Interdisciplinary Studies, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, Shandong, China.
| | - Bo Cui
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, Shandong, China.
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Dutta MS, Mahapatra P, Ghosh A, Basu S. Estimation of the reducing power and electrochemical behavior of few flavonoids and polyhydroxybenzophenones substantiated by bond dissociation energy: a comparative analysis. Mol Divers 2021; 26:1101-1113. [PMID: 33993440 DOI: 10.1007/s11030-021-10232-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 05/05/2021] [Indexed: 11/30/2022]
Abstract
Oxidative stress that damages cellular components affects various organs including the brain. It is thus believed to play an active role in neurodegenerative diseases, wherein the intrinsic antioxidant enzymes metabolize toxic intermediates. For therapeutic purpose, instead of antioxidant enzymes, small organic compounds as antioxidants may be more effective. Here, reducing power and electrochemical behavior of some flavanols, flavanonols, flavones, flavonols and O-methylated flavonols have been estimated and confirmed by the calculated bond dissociation energy. Compared to other classes, flavonols exhibited increased reducing power that decreased with methylation of the oxygen atom in the B-ring. Gossypetin emerged as the most effective of these flavonols. Generally, compounds with two hydroxyl groups in two consecutive positions of the phenyl ring and an enolic group in the C-ring with more preference for the hydroxyl group in the ortho position with respect to each other in the catechol moiety showed major activity. 5 position of the A-ring showed the least effect on the activity. The present understanding therefore may be applied for identifying compounds to be used as scaffold for designing potent antioxidants.
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Affiliation(s)
- Madhu Sudan Dutta
- Department of Microbiology, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, India
| | - Prithwish Mahapatra
- Department of Chemistry, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India
| | - Ashutosh Ghosh
- Department of Chemistry, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, India
| | - Soumalee Basu
- Department of Microbiology, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, India.
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Su CK. Review of 3D-Printed functionalized devices for chemical and biochemical analysis. Anal Chim Acta 2021; 1158:338348. [PMID: 33863415 DOI: 10.1016/j.aca.2021.338348] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/28/2021] [Accepted: 02/18/2021] [Indexed: 12/28/2022]
Abstract
Recent developments in three-dimensional printing (3DP) have attracted the attention of analytical scientists interested in fabricating 3D devices having promising geometric functions to achieve desirable analytical performance. To break through the barrier of limited availability of 3DP materials and to extend the chemical reactivity and functionalities of devices manufactured using conventional 3DP, new approaches are being developed for the functionalization of 3D-printed devices for chemical and biochemical analysis. This Review discusses recent advances in the chemical functionalization schemes used in the main 3DP technologies, including (i) post-printing modification and surface immobilization of reactive substances on printed materials, (ii) pre-printing incorporation of reactive substances into raw printing materials, and (iii) combinations of both strategies, and their effects on the selectivity and/or sensitivity of related analytical methods. In addition, the state of the art of 3D-printed functionalized analytical devices for enzymatic derivatization and sensing, electrochemical sensing, and sample pretreatment applications are also reviewed, highlighting the importance of introducing new functional and functionalized materials to facilitate future 3DP-enabled manufacturing of multifunctional analytical devices.
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Affiliation(s)
- Cheng-Kuan Su
- Department of Chemistry, National Chung Hsing University, Taichung, 402, Taiwan.
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de Faria LV, Lisboa TP, Campos NDS, Alves GF, Matos MAC, Matos RC, Munoz RAA. Electrochemical methods for the determination of antibiotic residues in milk: A critical review. Anal Chim Acta 2021; 1173:338569. [PMID: 34172150 DOI: 10.1016/j.aca.2021.338569] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/03/2021] [Accepted: 04/21/2021] [Indexed: 12/20/2022]
Abstract
Several antibiotics have been applied to veterinary medicine due to their broad-spectrum of antibacterial activity and prophylactic power. Residues of these antibiotics can be accumulated in dairy cattle, in addition to promoting contamination of the environment and, in more serious cases, in milk, causing a public health problem. Different regulatory agencies establish maximum residue limits for these antibiotics in milk, so it becomes important to develop sensitive analytical methods for monitoring these compounds. Electrochemical techniques are important analytical tools in analytical chemistry because they present low cost, simplicity, high sensitivity, and adequate analytical frequency (sample throughput) for routine analyses. In this sense, this review summarizes the state of the art of the main electrochemical sensors and biosensors, instrumental techniques, and sample preparation used for the development of analytical methods, published in the last five years, for the monitoring of different classes of antibiotics: aminoglycosides, amphenicols, beta-lactams, fluoroquinolones, sulfonamides, and tetracyclines, in milk samples. The different strategies to develop electrochemical sensors and biosensors are critically compared considering their analytical features. The mechanisms of electrochemical oxidation/reduction of the antibiotics are revised and discussed considering strategies to improve the selectivity of the method. In addition, current challenges and future prospects are discussed.
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Affiliation(s)
- Lucas Vinícius de Faria
- Departamento de Química, Universidade Federal de Juiz de Fora, 36026-900, Juiz de Fora, MG, Brazil
| | - Thalles Pedrosa Lisboa
- Departamento de Química, Universidade Federal de Juiz de Fora, 36026-900, Juiz de Fora, MG, Brazil
| | - Náira da Silva Campos
- Departamento de Química, Universidade Federal de Juiz de Fora, 36026-900, Juiz de Fora, MG, Brazil
| | - Guilherme Figueira Alves
- Departamento de Química, Universidade Federal de Juiz de Fora, 36026-900, Juiz de Fora, MG, Brazil
| | | | - Renato Camargo Matos
- Departamento de Química, Universidade Federal de Juiz de Fora, 36026-900, Juiz de Fora, MG, Brazil.
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Ruan X, Wang Y, Kwon EY, Wang L, Cheng N, Niu X, Ding S, Van Wie BJ, Lin Y, Du D. Nanomaterial-enhanced 3D-printed sensor platform for simultaneous detection of atrazine and acetochlor. Biosens Bioelectron 2021; 184:113238. [PMID: 33878594 DOI: 10.1016/j.bios.2021.113238] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 03/15/2021] [Accepted: 04/06/2021] [Indexed: 12/13/2022]
Abstract
The widespread use of herbicides in agriculture and gardening causes environmental and safety issues such as water pollution. Thus, efficient and convenient analysis of the levels of herbicide residues is of significant importance. Here, we employed 3D-printing to design a multiplex immunosensor for simultaneous detection of two widely used herbicides, atrazine and acetochlor. Multiplexing was achieved through customization of a lateral flow immunoassay, and then integrated with an electrochemical analyzer for ultrasensitive detection. Quantification of herbicide residues was realized through the detection of a novel nanomaterial label, the mesoporous core-shell palladium@platium nanoparticle (Pd@Pt NP), for its outstanding peroxidase-like property. During the electrochemical analysis, the catalytic activity of Pd@Pt NPs on the redox reaction between thionin acetate and hydrogen peroxide provided an electrochemically driven signal that accurately indicated the level of herbicide residues. Using this Nanomaterial-enhanced multiplex electrochemical immunosensing (NEMEIS) system, simultaneous detection of atrazine and acetochlor was realized with a limit of detection of 0.24 ppb and 3.2 ppb, respectively. To further evaluate the feasibility, the optimized NEMEIS was employed for detection in atrazine and acetochlor residue-containing spiked samples, and an overall recovery with 90.8% - 117% range was obtained. The NEMEIS constructed with the aid of 3D-printing provides a rapid, precise, economical, and portable detection device for herbicides, and its success suggests potential broad applications in chemical analysis, biosensors and point-of-care monitoring.
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Affiliation(s)
- Xiaofan Ruan
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, United States
| | - Yijia Wang
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, United States
| | - Eunice Y Kwon
- Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, 99164-6515, United States
| | - Limin Wang
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, United States
| | - Nan Cheng
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, United States
| | - Xiangheng Niu
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, United States
| | - Shichao Ding
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, United States
| | - Bernard J Van Wie
- Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, 99164-6515, United States
| | - Yuehe Lin
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, United States
| | - Dan Du
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, United States.
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González-López A, Costa-Rama E, Fernández-Abedul MT. Electrochemical micropipette-tip for low-cost environmental applications: Determination of anionic surfactants through their interaction with methylene blue. Talanta 2021; 224:121732. [PMID: 33379002 DOI: 10.1016/j.talanta.2020.121732] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/26/2020] [Accepted: 10/01/2020] [Indexed: 11/22/2022]
Abstract
Miniaturization is one of the main requirements in the design of portable devices that allow in-field analysis. This is especially interesting in environmental monitoring, where the time of the sample-to-result process could be decreased considerably by approaching the analytical platforms to the sampling point. We employed traditional mass-produced and low-cost elements (micropipette tips and pins) in an out-of-box application to generate an innovative and cost-effective platform for analytical purposes. We have designed simple and easy-to-use electrochemical cells inside polypropylene micropipette tips with three stainless-steel pins acting as the working, reference and counter electrodes of a potentiostatic system. The pin acting as working electrode was previously coated with carbon ink, meanwhile the rest were used unmodified. In this way, electrochemical in-the-tip measurements were done directly using low volumes (μL) of sample. The devices showed good reproducibility, with a relative standard deviation of 7% (n = 5) for five different tip-based complete electrochemical cells. As a proof-of-concept, its utility has been probed by the determination of an anionic surfactant (sodium dodecyl sulphate, SDS) in water through its interaction with methylene blue (MB). Two different alternatives were presented based on the: 1) increase in the current intensity of the cathodic peak of MB due to the presence of SDS; 2) electrochemical determination of the MB remaining in the aqueous phase after extraction of the pair SDS-MB to an organic medium.
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Gunaseelan K, Jadhav DA, Gajalakshmi S, Pant D. Blending of microbial inocula: An effective strategy for performance enhancement of clayware Biophotovoltaics microbial fuel cells. Bioresour Technol 2021; 323:124564. [PMID: 33360719 DOI: 10.1016/j.biortech.2020.124564] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/13/2020] [Accepted: 12/14/2020] [Indexed: 06/12/2023]
Abstract
Performance of clayware Biophotovoltaics (BPVs) with three variants of inocula namely anoxygenic photosynthetic bacteria (APB) rich Effective microbes (EM), Up-flow anaerobic sludge blanket reactor (UASB) sludge, SUPER-MIX the blend of EM and UASB inoculum were evaluated on the basis of electrical output and pollutant removal. SUPER-MIX inocula with microbial community comprising of 28.42% APB and 71.58% of other microbes resulted in peak power density of 275 mW/m2, 69.3 ± 1.74% Coulombic efficiency and 91 ± 3.96% organic matter removal. The higher performance of the SUPER-MIX than EM and UASB inocula was due to the syntrophic associations of the various APBs and other heterogenous microorganisms in perfect blend which improved biocatalytic electron transfer, electro-kinetic activities with higher redox current and bio-capacitance. The promising performance of clayware BPVs with SUPER-MIX inocula indicate the possibility of BPVs to move towards the scale-up process to minimize the investment towards pure culture by effective blending strategies of inocula.
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Affiliation(s)
- K Gunaseelan
- Sustainable Fuel Cells Technology Lab, Centre for Pollution Control & Environmental Engineering, Pondicherry University, Puducherry 605 014, India
| | - Dipak A Jadhav
- Department of Agricultural Engineering, Maharashtra Institute of Technology, Aurangabad 431010, India
| | - S Gajalakshmi
- Sustainable Fuel Cells Technology Lab, Centre for Pollution Control & Environmental Engineering, Pondicherry University, Puducherry 605 014, India.
| | - Deepak Pant
- Separation and Conversion Technology, Flemish Institute for Technological Research (VITO), Boeretang 200, 2400 Mol, Belgium
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38
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Yao L, He L, Yang Y, Zhang Y, Liu Z, Liang L, Piao Y. Nanobiochar paper based electrochemical immunosensor for fast and ultrasensitive detection of microcystin-LR. Sci Total Environ 2021; 750:141692. [PMID: 32846246 DOI: 10.1016/j.scitotenv.2020.141692] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 07/25/2020] [Accepted: 08/12/2020] [Indexed: 05/28/2023]
Abstract
A portable, cheap and sensitive paper type electrochemical immunosensor was developed with conductive nanobiochar paper as the conductive layer and utilized for sensitive detection of microcystin-LR (MCLR) toxin in water. The paper immunosensor was constructed by coating of highly conductive and dispersible nanobiochar particle (nBC) and anti-MCLR antibody on the filter paper via dipping-drying method. The presence of MCLR could be specifically quantified amperometrically by the nBC-paper immunosensor with the response time of less than 5 min, and the lowest detection limit of 17 pM (0.017 μg/L) was achieved. Moreover, the proposed immunosensor exhibited high selectivity, reproducibility and storage stability, and was also used for environmental water detection with satisfactory recovery. The successful fabrication of low cost and ubiquitous biochar based paper type electrochemical immunosensing system would have significant value for the development of highly cost-effective electrochemical device.
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Affiliation(s)
- Lan Yao
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China
| | - Lingzhi He
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China
| | - Yuesuo Yang
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China; Key Lab of Eco-restoration of Regional Contaminated Environment (Shenyang University), Ministry of Education, Shenyang 110044, China
| | - Yu Zhang
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China
| | - Zairan Liu
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China
| | - Lina Liang
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China
| | - Yunxian Piao
- Key Laboratory of Groundwater Resources and Environment (Jilin University), Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China.
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Kim JH, Koh B, Ahn DG, Lee SJ, Park TJ, Park JP. A screening study of high affinity peptide as molecular binder for AXL, tyrosine kinase receptor involving in Zika virus entry. Bioelectrochemistry 2020; 137:107670. [PMID: 32971483 DOI: 10.1016/j.bioelechem.2020.107670] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 11/24/2022]
Abstract
The recent extensive spread of Zika virus has led to increased interest in the development of early diagnostic tests. To the best of our knowledge, this is the first study to demonstrate the successful use of phage display to identify affinity peptides for quantitative analysis of AXL, a tyrosine kinase receptor involved in Zika virus entry. Biopanning of M13 phage library successfully identified a high affinity peptide, with the sequence AHNHTPIKQKYL. To study the feasibility of using free peptides for molecular recognition, we synthesized a series of amino acid-substituted peptides and examined their binding affinity for AXL using electrochemical impedance spectroscopy and square wave voltammetry. Most synthetic peptides had non-identical random coil structures based on circular dichroism spectroscopy. Of the peptides tested, AXL BP1 exhibited nanomolar binding affinity for AXL. To verify whether AXL BP1 could be used as a peptide inhibitor at the cellular level, two functional tests were carried out: a WST assay for cell viability and qRT-PCR for quantification of RNA levels in Zika virus-infected Huh7 cells. The results showed that AXL BP1 had low cytotoxicity and could block Zika virus entry. These results indicate that newly identified affinity peptides could potentially be used for the development of Zika virus entry inhibitors.
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Affiliation(s)
- Ji Hong Kim
- Department of Food Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea
| | - Byumseok Koh
- Bio & Drug Discovery Division, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea
| | - Dae-Gyun Ahn
- Center for Convergent Research of Emerging Virus Infection, Korea Research Institute of Chemical Technology, Yuseong-gu, Daejeon 34114, Republic of Korea
| | - Sei-Jung Lee
- Department of Pharmaceutical Engineering, Daegu Haany University, Gyeongsan 38610, Republic of Korea
| | - Tae Jung Park
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea.
| | - Jong Pil Park
- Department of Food Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea.
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Abstract
Irbesartan, (2-butyl-3-({4-[2-(2H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl}methyl)-1,3-diazaspiro[4.4]non-1-en-4-one), is a member of non-peptide angiotensin II receptor antagonists used worldwide in the treatment of hypertension and diabetic nephropathy in hypertensive patients with type 2 diabetes, elevated serum creatinine, and proteinuria. Irbesartan can be used alone or in combination with other antihypertensive agents (e.g., hydrochlorothiazide). These combination products are indicated for hypertension in patients with uncontrolled hypertension with monotherapy or first line in patients not expected to be well controlled with monotherapy. Irbesartan is also indicated for the treatment of diabetic nephropathy in patients with type 2 diabetes and hypertension, an elevated serum creatinine, and proteinuria. Irbesartan exerts its action mainly via a selective blockade action on AT1 receptors and the consequent reduced pressor effect of angiotensin II. This article discusses, by a critical comprehensive review of the literature on irbesartan in terms of its description, names, formulae, elemental composition, appearance, and therapeutic uses. The article also discusses the methods for preparation of irbesartan, its physical-chemical properties, analytical methods for its determination, pharmacological-toxicological properties, and dosing information.
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Affiliation(s)
- Ibrahim A Darwish
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia; Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, Assiut, Egypt.
| | - Hany W Darwish
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia; Department of Analytical Chemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Ahmed H Bakheit
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia; Department of Chemistry, Faculty of Science and Technology, Al-Neelain University, Khartoum, Sudan
| | - Hamad M Al-Kahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Zahi Alanazi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
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Li D, Liu M, Zhan Y, Su Q, Zhang Y, Zhang D. Electrodeposited poly(3,4-ethylenedioxythiophene) doped with graphene oxide for the simultaneous voltammetric determination of ascorbic acid, dopamine and uric acid. Mikrochim Acta 2020; 187:94. [PMID: 31902014 DOI: 10.1007/s00604-019-4083-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 12/13/2019] [Indexed: 01/20/2023]
Abstract
Poly(3,4-ethylenedioxythiophene) (PEDOT) films were electrodeposited by cyclic voltammetry on a glassy carbon electrode (GCE) in aqueous solution. Three kinds of supporting electrolytes were used, viz. graphene oxide (GO), phosphate buffered saline (PBS), and GO in PBS, respectively. The surface morphology of the modified electrodes was characterized by scanning electron microscopy. The electrochemical performance of the modified electrodes was investigated by cyclic voltammetry and electrochemical impedance spectroscopy by using the hexacyanoferrate redox system. The results demonstrate that the PEDOT-GO/GCE, which was electropolymerized in aqueous solutions containing EDOT and GO, shows the best electrochemical activities compared with other modified electrodes. The electrochemical behaviors of ascorbic acid (AA), dopamine (DA) and uric acid (UA) were investigated by cyclic voltammetry. The PEDOT-GO/GCE exhibits enhanced electrocatalytic activities towards these important biomolecules. Under physiological pH conditions and in the mixed system of AA, DA and UA, the modified GCE exhibits the following figures of merit: (a) a linear voltammetric response in the concentration ranges of 100-1000 μM for AA, 6.0-200 μM for DA, and 40-240 μM for UA; (b) well separated oxidation peaks near 31, 213 and 342 mV (vs. saturated Ag/AgCl) for AA, DA and UA, respectively; and (c) detection of limits (at S/N = 3) of 20, 2.0 and 10 μM. The results demonstrate that GO, based on its relatively large number of anionic sites, can be used as the sole weak electrolyte and charge balance dopant for the preparation of functionally doped conducting polymers by electrodeposition. Graphical abstractSchematic representation of a nanostructure composed of hybrid conducting polymer PEDOT-GO nanocomposites, and its application to simultaneous determination of ascorbic acid, dopamine and uric acid.
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Du Y, Ma H, Huang L, Pan Y, Huang J, Liu Y. Electrochemical characteristics of the decolorization of three dyes by laccase mediator system (LMS) with synthetic and natural mediators. Chemosphere 2020; 239:124779. [PMID: 31521934 DOI: 10.1016/j.chemosphere.2019.124779] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 09/02/2019] [Accepted: 09/04/2019] [Indexed: 06/10/2023]
Abstract
Laccase mediator system (LMS), a very attractive candidate for refractory organics biodegradation, harbors tremendous potential on industry application. However, the performance of LMS usually varies with the discrepancy of mediators and substrates in their chemical structures. Here, we adopt electrochemical analysis that is able to assess the degradation performance of various LMS on three different dyes by quantitative analysis of reaction outcome. Two mechanisms were suggested to explain the grafting of three mediators (1-Hydroxybenzotriazole, Violuric Acid and Acetosyringone), involving the transformation of proton or electron to produce active moieties, which subsequently react with target substrates. A thorough electrochemical insight into the redox features of mediators and its change in the presence of laccase and substrates were carried out using electrochemical analysis. The effectiveness of each kind of LMS on substrates was preliminarily evaluated by analyzing the change of the peak current and potential of mediators. The actual conversion rate of dyes was used to verify the analysis results, which confirms the important role of the stability of the oxidized form as well as their redox potential of the mediators in determining the mechanism of substrate oxidation. The application of electrochemical analysis in efficiency evaluation of LMS shed new light on effective selection of suitable mediators for degradation of refractory organics. It was therefore possible to prejudge the efficacy of LMS by analyzing the electrochemical parameters of target substances and mediators, which undoubtedly has broad further application prospects of LMS.
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Affiliation(s)
- Yiwen Du
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing, China; Department of Environmental Engineering, Chongqing University, Chongqing, China
| | - Hua Ma
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing, China; Department of Environmental Engineering, Chongqing University, Chongqing, China.
| | - Liping Huang
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing, China; Department of Environmental Engineering, Chongqing University, Chongqing, China
| | - Yu Pan
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing, China; Department of Environmental Engineering, Chongqing University, Chongqing, China
| | - Juan Huang
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing, China; Department of Environmental Engineering, Chongqing University, Chongqing, China
| | - Yan Liu
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing, China; Department of Environmental Engineering, Chongqing University, Chongqing, China
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Dhopte B, Lad VN. Alteration of surface pressure of macromolecular monolayer at the air-water interface and electrochemical impedance characteristics. Colloids Surf B Biointerfaces 2020; 187:110638. [PMID: 31767413 DOI: 10.1016/j.colsurfb.2019.110638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 10/23/2019] [Accepted: 11/09/2019] [Indexed: 11/23/2022]
Abstract
Proteins are very important biological macromolecules, specific in their functions essential for many biological activities. Proteins are among the most vital components of all living matters with thousands of different types, and they are very specific in their nature which makes them important for usage in many biotechnological, biomedical, and food processing applications. Langmuir monolayer studies provide the characteristics of monolayer at the air-liquid interface. Langmuir monolayer of protein is affected by the molecular weight, macromolecular structure, denaturation and its purity. The interaction of the protein with other molecules greatly affects the behaviour of monolayer. Coconut oil layer at the air-water interface was prepared with different sub-phases including casein protein and whey protein. Wilhelmy plate measurement technique has been used to measure the surface pressure of the monolayer at the air-liquid interface. Experiments were carried out to study the stability using electrochemical impedance measurements. The electrostatic forces dominated the coconut oil - protein interaction, and the interface of macromolecules were controlled by expansion and compression. The macromolecules were adsorbed with a preferential orientation at the interface, and the stability of colloidal dispersions was governed by the intermolecular interactions. The stability using electrochemical impedance spectroscopy on the selected protein macromolecules along with other analysis were performed by varying various parameters.
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Zhong XL, Wen SH, Wang Y, Luo YX, Li ZM, Liang RP, Zhang L, Qiu JD. Colorimetric and electrochemical arsenate assays by exploiting the peroxidase-like activity of FeOOH nanorods. Mikrochim Acta 2019; 186:732. [PMID: 31667627 DOI: 10.1007/s00604-019-3863-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Accepted: 09/19/2019] [Indexed: 01/07/2023]
Abstract
The authors describe an electrochemical and an optical method for the determination of As(V) by using iron oxyhydroxide (FeOOH) nanorods that display peroxidase-mimicking activity. The nanorods catalyze the oxidation of substrate ABTS by H2O2 to form a green product with an absorption maximum at 418 nm. If, however, As(V) is electrostatically adsorbed on the nanorods, the oxidation is gradually inhibited. A colorimetric assay was worked out based on these findings. Response is linear in the 0 to 8 ppb and 8 to 200 ppb As(V) concentration range, and the detection limit is 0.1 ppb. Even higher sensitivity is achieved in an electrochemical method which is based on the excellent electrical conductivity of FeOOH nanorods. Electrochemical analysis of As(V) was achieved by first adsorbing As(V) on the nanorods. This inhibits the ABTS reduction current signal, best measured at a potential of 150 mV (vs. Ag/AgCl). The linear range extends from 0.04 to 200 ppb, and the detection limit is as low as 12 ppt. Graphical abstract Schematic representation of FeOOH nanorod-based colorimetric and electrochemical assays for arsenate (As(V)). As(V) adsorbed on FeOOH nanorods inhibits the peroxidase-mimicking activity of nanorods, and a colorimetric and electrochemical dual-signal assay was constructed to achieve sensitive determination of As(V).
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Affiliation(s)
- Xiao-Li Zhong
- College of Chemistry, Nanchang University, Nanchang, 330031, China
| | - Shao-Hua Wen
- College of Chemistry, Nanchang University, Nanchang, 330031, China
| | - Yi Wang
- College of Chemistry, Nanchang University, Nanchang, 330031, China
| | - Yu-Xi Luo
- College of Chemistry, Nanchang University, Nanchang, 330031, China
| | - Zhi-Mei Li
- College of Chemistry, Nanchang University, Nanchang, 330031, China
| | - Ru-Ping Liang
- College of Chemistry, Nanchang University, Nanchang, 330031, China
| | - Li Zhang
- College of Chemistry, Nanchang University, Nanchang, 330031, China
| | - Jian-Ding Qiu
- College of Chemistry, Nanchang University, Nanchang, 330031, China. .,Engineering Technology Research Center for Environmental Protection Materials and Equipment of Jiangxi Province, Pingxiang University, Pingxiang, 337055, China.
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Guo ZY, Feng YF, Chen YY, Yao QH, Luo HZ, Chen X. A taurine-functionalized 3D graphene-based foam for electrochemical determination of hydrogen peroxide. Talanta 2020; 208:120356. [PMID: 31816730 DOI: 10.1016/j.talanta.2019.120356] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 09/09/2019] [Accepted: 09/14/2019] [Indexed: 02/06/2023]
Abstract
We present a synthesis approach of taurine-functionalized graphene foam (a-NSGF) using hydrothermal reduction, freeze-drying and high temperature annealing. The higher temperature in annealing allowed the N/S atoms of taurine enter into the graphene lattice, which improves its electrocatalytic activity greatly. The a-NSGF consisting of taurine that modified into 3D layers of graphene and endow is of the rapid sensitive to hydrogen peroxide (H2O2). The electrode using a-NSGF modification reveals highly sensitive and stable towards the concentration change of H2O2 due to the stable 3D structure and good electrical conductivity of a-NSGF. A linear correlation between H2O2 concentration and the electrochemical signal is found to be in a range from 1.5 to 300 μM and the correlation coefficient is R2 = 0.999. The modified electrode has been applied in the determination of H2O2 in rain samples and the results have been compared with the China National Standard Method. The recoveries range from 94.6% to 106.7%. These results show that the proposed sensor is promising for the development of novel electrochemical sensing for H2O2 determination.
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Ahuir-Torres JI, Simandjuntak S, Bausch N, Farrar A, Webb S, Nash A, Thomas B, Muna J, Jonsson C, Matthew D. Corrosion threshold data of metallic materials in various operating environment of offshore wind turbine parts (tower, foundation, and nacelle/gearbox). Data Brief 2019; 25:104207. [PMID: 31440542 PMCID: PMC6699462 DOI: 10.1016/j.dib.2019.104207] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 05/30/2019] [Accepted: 06/25/2019] [Indexed: 11/29/2022] Open
Abstract
This paper outlines corrosion thresholds for different environmental conditions of metallic materials commonly used in the tower, foundation, and nacelle/gearbox of an offshore wind turbine. These threshold values were derived from laboratory corrosion testing employing electrochemical analysis techniques, using the media/solvents that are representative to the operating environment of those wind turbine parts, such as seawater, grease, oils/lubricants, or their combination, at room temperature and at 328K. These values can provide an indication when general/local corrosion or protective film/surface damages have occurred. They can thus be utilised for detecting and monitoring corrosion at certain locations in the wind turbine structure. The presented data have been verified and validated to ensure their repeatability and reliability by means of numerous laboratory tests in accordance to the relevant engineering test standards and an extensive literature/published data review.
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Affiliation(s)
| | - S Simandjuntak
- School of Mechanical and Design Engineering, United Kingdom
| | - N Bausch
- School of Energy and Electronic Engineering, University of Portsmouth, Anglesea Road, Portsmouth, PO1 3DJ, United Kingdom
| | - A Farrar
- School of Energy and Electronic Engineering, University of Portsmouth, Anglesea Road, Portsmouth, PO1 3DJ, United Kingdom
| | - S Webb
- School of Mechanical and Design Engineering, United Kingdom
| | - A Nash
- Avonwood Developments Ltd, Bournemouth, BH21 7ND, United Kingdom
| | - B Thomas
- Avonwood Developments Ltd, Bournemouth, BH21 7ND, United Kingdom
| | - J Muna
- Avanti Communications, London, EC4V 6EB, United Kingdom
| | - C Jonsson
- Avanti Communications, London, EC4V 6EB, United Kingdom
| | - D Matthew
- Avanti Communications, London, EC4V 6EB, United Kingdom
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Kumar Y, Pramanik P, Das DK. Electrochemical detection of paracetamol and dopamine molecules using nano-particles of cobalt ferrite and manganese ferrite modified with graphite. Heliyon 2019; 5:e02031. [PMID: 31321329 PMCID: PMC6612601 DOI: 10.1016/j.heliyon.2019.e02031] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 05/13/2019] [Accepted: 06/28/2019] [Indexed: 01/23/2023] Open
Abstract
Some electrodes for efficient detection of paracetamol and dopamine were developed from nano sized material of cobalt ferrite (np-CoFe2O4) and manganese ferrite (np-MnFe2O4). These oxides were synthesized by combustion method using cobalt nitrate, manganese acetate and ferric nitrate as precursors in the presence of sugar and ethanolamine. The crystallite size, shape and morphology of nano material were characterized by X-ray diffraction pattern (XRD), field emission scanning electron microscopy (FESEM) and energy-dispersive X-ray spectroscopy (EDS) techniques. The crystallite sizes of synthesized nano-particles (nps) were in the range from 10 to 12 nm (calculated using Debye-Scherrer equation) with cubic crystal system. These particles were utilized as electrode modified with graphite for simultaneous detection of paracetamol and dopamine through cyclic voltammetry and Differential pulse voltammetry techniques and was found to be superior to reported literatures. The minimum detection limit of paracetamol and dopamine at CoFe2O4/GP electrode were 250 nM and 350 nM while at MnFe2O4/GP electrode it was 300 nM and 400 nM, respectively. Both the electrodes exhibited the linearity range from3 μM to 200 μM & 3 μM-160 μM for paracetamol and 3 μM-180 μM & 5 μM to 200 for dopamine, respectively. Two oxidation peaks of paracetamol and dopamine were well separated in phosphate buffer (pH = 6) in mixture with 100 mVs-1 and 50 mVs-1 scan rate for cyclic voltammetry and Differential pulse voltammetry, respectively. Both the electrodes demonstrated satisfactory results in real samples of paracetamol and dopamine.
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Affiliation(s)
- Yogendra Kumar
- Department of Chemistry, GLA University, 17 Km Stone NH-19 Delhi Mathura Highway Chaumuhan, Mathura, 281406, India
| | - Panchanan Pramanik
- Department of Chemistry, GLA University, 17 Km Stone NH-19 Delhi Mathura Highway Chaumuhan, Mathura, 281406, India
| | - Dipak Kumar Das
- Department of Chemistry, GLA University, 17 Km Stone NH-19 Delhi Mathura Highway Chaumuhan, Mathura, 281406, India
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Malecka K, Pankratov D, Ferapontova EE. Femtomolar electroanalysis of a breast cancer biomarker HER-2/neu protein in human serum by the cellulase-linked sandwich assay on magnetic beads. Anal Chim Acta 2019; 1077:140-9. [PMID: 31307703 DOI: 10.1016/j.aca.2019.05.052] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 05/19/2019] [Accepted: 05/22/2019] [Indexed: 02/06/2023]
Abstract
In cancer diagnostics, specific analysis of blood-circulating proteins biomarkers of cancer is often complicated both by their inherently low concentrations and by strong interference from serum/blood proteins. Here, we report a simple and robust electrochemical cellulase-linked sandwich assay on magnetic beads (MBs) for fM-sensitive analysis of the Human Epidermal growth factor Receptor-2 HER-2/neu protein that is over-expressed in most aggressive breast cancers. In the assay, a sandwich is assembled by capturing HER-2/neu on either antibody (Ab) or aptamer-modified MBs accompanied by reaction with the second Ab or aptamer labelled with cellulase. On application of the sandwiches assembled on MBs onto a cost-effective graphite electrode modified with an insulating nitrocellulose film, the cellulase label digests the film. This results in the pronounced changes in the electrical properties of the modified electrodes. The chronocoulometrically-measured extent of the produced changes was proportional to the 10-15-10-10 M HER-2/neu in the analyzed samples, and down to 1 fM of HER-2/neu could be detected in human serum samples in an overall less than 3 h assay. The developed simple and electrochemically label-free methodology is general and can be easily adapted for testing of any other protein.
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Zhao Z, Li C, Wu H. Reduced graphene oxide nanosheets modified with plasmonic gold-based hybrid nanostructures and with magnetite (Fe 3O 4) nanoparticles for cyclic voltammetric determination of arsenic(III). Mikrochim Acta 2019; 186:226. [PMID: 30848370 DOI: 10.1007/s00604-019-3328-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Accepted: 02/16/2019] [Indexed: 11/24/2022]
Abstract
The authors have fabricated reduced graphene oxide nanosheets (rGO) supported with Fe3O4 nanoparticles and Ag/Au hollow nanoshells. The material was placed on a glassy carbon electrode which is shown to enable highly sensitive determination of As(III) which is first preconcentrated from solution at a potential of -0.35 V (versus Ag/AgCl) for 100 s. The electrode, typically operated at a working potential as low as 0.06 V, has a linear response in the 0.1 to 20 ppb As(III) concentration range and a 0.01 ppb detection limit. The electrochemical sensitivity is 52 μA ppb-1. The high sensitivity is assumed to be the result of various synergistic effects. The method was applied to ultratrace (0.1 ppt) determination of As(III) in real water samples. Graphical abstract The hybrid displays a wide linear response in the 0.1 to 20 ppb As(III) concentration range and a 0.01 ppb detection limit. The high sensitivity is attributed to various synergistic effects. The method was applied to ultratrace determination of As(III) in real water samples.
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Affiliation(s)
- Zhenlu Zhao
- School of Material Science and Engineering, University of Jinan, Jinan, 250022, Shandong, China. .,Department of Bionano Engineering, Hanyang University, Ansan, 426-791, South Korea.
| | - Chuanping Li
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, China
| | - Haoxi Wu
- Institute of Materials, China Academy of Engineering Physics, PO Box 9071-11, Mianyang, 621907, Sichuan, China
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Zhang J, Zhou JP, Dai XH, Liu GZ, Zhang SY. Electrochemical preparation of two nanostructured poly(sulfosalicylic acid) films with different morphologies and properties for selective sensing of dopamine: Comparative study. Mater Sci Eng C Mater Biol Appl 2017; 77:151-158. [PMID: 28532016 DOI: 10.1016/j.msec.2017.03.237] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 12/19/2016] [Accepted: 03/25/2017] [Indexed: 10/19/2022]
Abstract
Two nanostructured poly(sulfosalicylic acid) (PSA) films were synthesized from room temperature ionic liquid (RTIL) or aqueous solution on a glassy carbon electrode (GCE) via potentiodynamic electropolymerization. The morphology and properties of the PSA films were characterized with scanning electron microscopy (SEM), scanning probe microscopy (SPM), electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). It was found that solvent had a major influence on the morphology and electrochemical properties of the resultant PSA films. The PSA(Ι) film, which was prepared from RTIL, consists of granular particles with cracks, whereas the PSA(II) film prepared from aqueous solution consists of nano-triangles with a more compact surface. The blocking effect of the PSA(Ι) film for the [Fe(CN)6]3-/4- electrochemical probe is much stronger, and a remarkably enhanced voltammetric response of the [Ru(NH3)6]3+ electrochemical probe can be observed for the PSA(II) film. When it is used to detect dopamine in the presence of a high concentration of ascorbic acid, PSA(II)/GCE has three linear parts with better discrimination and a detection limit of 0.03μM. For PSA(Ι)/GCE, there are two linear parts with a detection limit of 0.05μM. However, the reproducibility and storage stability of PSA(Ι)/GCE are better than those of PSA(ΙI)/GCE.
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Affiliation(s)
- Juan Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China; Department of Chemistry, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China
| | - Jun-Ping Zhou
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Xiao-Hui Dai
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Guang-Zhou Liu
- School of Marine Science, Shandong University, Jinan 250100, China.
| | - Shu-Yong Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China.
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