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Dai J, Li J, Jiao Y, Yang X, Yang D, Zhong Z, Li H, Yang Y. Colorimetric-SERS dual-mode aptasensor for Staphylococcus aureus based on MnO 2@AuNPs oxidase-like activity. Food Chem 2024; 456:139955. [PMID: 38852453 DOI: 10.1016/j.foodchem.2024.139955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 05/07/2024] [Accepted: 06/01/2024] [Indexed: 06/11/2024]
Abstract
The nanozyme-linked aptamer-sorbent assay (NLASA) is a rapid way to screen and characterize aptamer binding to targets. In this paper, a MnO2@AuNPs@aptamer (Apt) based NLASA coupled with colorimetric-SERS dual-mode for Staphylococcus aureus (S. aureus) detection is presented. Cu,Fe-CDs were used as the reducing agent to synthesize MnO2 and gold nanoparticles (AuNPs). Then, they were fabricated to obtain MnO2@AuNPs with oxidase (OXD)-like and SERS activities. The S. aureus aptamer was conjugated to MnO2@AuNPs and enhanced the OXD-like activity, which realized the specific capture of S. aureus in food matrices. In addition, S. aureus improves the oxidation of 2,2'-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid (ABTS) but inhibits 3,3',5,5'-tetramethylbenzidine (TMB) to generate Raman-active oxTMB with MnO2@AuNPs@Apt. This sensor was used for detections of S. aureus in a concentration ranged from 101 to 107 CFU/mL with a detection limit of 0.926 CFU/mL (colorimetric) and 1.561 CFU/mL (SERS), and the recovery is 85%-105% in real samples.
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Affiliation(s)
- Jiahe Dai
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650500, Yunnan, PR China
| | - Jitao Li
- Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, Yunnan Minzu University, Kunming 650500, Yunnan, PR China
| | - Yang Jiao
- Yunnan Lunyang Technology Co., Ltd., Kunming 650000, China
| | - Xiaolan Yang
- Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicinal Endophytes, Yunnan Minzu University, Kunming 650500, Yunnan, PR China
| | - Dezhi Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, PR China
| | - Zitao Zhong
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, PR China
| | - Hong Li
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650500, Yunnan, PR China.
| | - Yaling Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, PR China.
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2
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Cao L, Chen M, Zhang Y, Hu J, Wu Y, Chen Y, Wang R, Yuan H, Wei F, Sui Y, Meng Q, Cheng L, Wang S. In situ growth of Mn 3O 4 nanoparticles on accordion-like Ti 3C 2T x MXene for advanced aqueous Zn-Ion batteries. J Colloid Interface Sci 2024; 671:303-311. [PMID: 38815367 DOI: 10.1016/j.jcis.2024.05.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 05/15/2024] [Accepted: 05/20/2024] [Indexed: 06/01/2024]
Abstract
Manganese-based cathodes are competitive candidates for state-of-the-art aqueous zinc-ion batteries (AZIBs) because of their easy preparation method, sufficient nature reserve, and environmental friendliness. However, their poor cycle stability and low rate performance have prevented them from practical applications. In this study, Mn3O4 nanoparticles were formed in situ on the surface and between the interlayers of Ti3C2Tx MXene, which was pretreated by the intercalation of K+ ions. Ti3C2Tx MXene not only provides abundant active sites and high conductivity but also hinders the structural damage of Mn3O4 during charging and discharging. Benefiting from the well-designed K-Ti3C2@Mn3O4 structure, the battery equipped with the K-Ti3C2@Mn3O4 cathode achieved a maximum specific capacity of 312 mAh/g at a current density of 0.3 A/g and carried a specific capacity of approximately 120 mAh/g at a current density of 1 A/g, which remained stable for approximately 500 cycles. The performance surpasses that of most reported Mn3O4-based cathodes. This study pioneers a new approach for building better cathode materials for AZIBs.
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Affiliation(s)
- Liucheng Cao
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Miao Chen
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Yiming Zhang
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Jingying Hu
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Yi Wu
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Ying Chen
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Ruijia Wang
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Haoyi Yuan
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Fuxiang Wei
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China.
| | - Yanwei Sui
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
| | - Qingkun Meng
- School of Materials and Physics, China University of Mining & Technology, Xuzhou, 221116, PR China
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3
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Ye M, Lin X, Li J, Chen X, Ying D, Wu S, Wang Z, Duan N. Dual-mode aptasensor based on P-CeO 2NR@Mxene and exonuclease I-assisted target recycling for malachite green detection. Food Chem 2024; 451:139399. [PMID: 38663240 DOI: 10.1016/j.foodchem.2024.139399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 05/26/2024]
Abstract
Malachite green (MG) has been illicitly employed in aquaculture as a parasiticide, however, its teratogenic and carcinogenic effects pose a significant human health threat. Herein, a dual-mode colorimetric and electrochemical aptasensor was fabricated for MG detection, capitalizing on the robust catalytic and peroxidase-like activity of P-CeO2NR@Mxene and good capture efficiency of a tetrahedral DNA nanostructure (TDN) designed with multiple aptamers (m-TDN). P-CeO2NR@Mxene-modified complementary DNA (cDNA) served as both colorimetric and electrochemical probe. m-TDN was attached to AuE to capture MG and P-CeO2NR@Mxene/cDNA. The superior aptamer and MG binding to cDNA regulated signals and enabled precise MG quantification. The further introduced Exo I enabled aptamer hydrolysis, releasing MG for further binding rounds, allowing target recycling amplification. Under the optimal conditions, the aptasensor reached an impressively low detection limit 95.4 pM in colorimetric mode and 83.6 fM in electrochemical mode. We believe this dual-mode approach holds promise for veterinary drug residue detection.
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Affiliation(s)
- Mingyue Ye
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xianfeng Lin
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Jin Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xiaowan Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Dichen Ying
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Shijia Wu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Nuo Duan
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China.
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4
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Sheikh TA, Ismail M, Rabbee MF, Khan H, Rafique A, Rasheed Z, Siddique A, Rafiq MZ, Khattak ZAK, Jillani SMS, Shahzad U, Akhtar MN, Saeed M, Alzahrani KA, Uddin J, Rahman MM, Verpoort F. 2D MXene-Based Nanoscale Materials for Electrochemical Sensing Toward the Detection of Hazardous Pollutants: A Perspective. Crit Rev Anal Chem 2024:1-46. [PMID: 39046991 DOI: 10.1080/10408347.2024.2379851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
MXenes (Mn+1XnTx), a subgroup of 2-dimensional (2D) materials, specifically comprise transition metal carbides, nitrides, and carbonitrides. They exhibit exceptional electrocatalytic and photocatalytic properties, making them well-suited for the detection and removal of pollutants from aqueous environments. Because of their high surface area and remarkable properties, they are being utilized in various applications, including catalysis, sensing, and adsorption, to combat pollution and mitigate its adverse effects. Different characterization techniques like XRD, SEM, TEM, UV-Visible spectroscopy, and Raman spectroscopy have been used for the structural elucidation of 2D MXene. Current responses against applied potential were measured during the electrochemical sensing of the hazardous pollutants in an aqueous system using a variety of electroanalytical techniques, including differential pulse voltammetry, amperometry, square wave anodic stripping voltammetry, etc. In this review, a comprehensive discussion on structural patterns, synthesis, properties of MXene and their application for electrochemical detection of lethal pollutants like hydroquionone, phenol, catechol, mercury and lead, etc. are presented. This review will be helpful to critically understand the methods of synthesis and application of MXenes for the removal of environmental pollutants.
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Affiliation(s)
- Tahir Ali Sheikh
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Muhammad Ismail
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | | | - Hira Khan
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Ayesha Rafique
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Zeerak Rasheed
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Amna Siddique
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Muhammad Zeeshan Rafiq
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | | | - Shehzada Muhammad Sajid Jillani
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
| | - Umer Shahzad
- Chemistry department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Muhammad Nadeem Akhtar
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Mohsin Saeed
- Chemistry department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Khalid A Alzahrani
- Chemistry department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, Jeddah, Saudi Arabia
| | - Jamal Uddin
- Center for Nanotechnology, Department of Natural Sciences, Coppin State University, Baltimore, Maryland, USA
| | - Mohammed M Rahman
- Chemistry department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, Jeddah, Saudi Arabia
| | - Francis Verpoort
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, China
- National Research Tomsk Polytechnic University, Tomsk, Russian
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5
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Wang F, Zhu Y, Qian L, Yin Y, Yuan Z, Dai Y, Zhang T, Yang D, Qiu F. Lamellar Ti 3C 2 MXene composite decorated with platinum-doped MoS 2 nanosheets as electrochemical sensing functional platform for highly sensitive analysis of organophosphorus pesticides. Food Chem 2024; 459:140379. [PMID: 38991437 DOI: 10.1016/j.foodchem.2024.140379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/26/2024] [Accepted: 07/05/2024] [Indexed: 07/13/2024]
Abstract
Precisely detecting organophosphorus pesticides (OPs) is paramount in upholding human safety and environmental preservation, especially in food safety. Herein, an electrochemical acetylcholinesterase (AChE) sensing platform entrapped in chitosan (Chit) on the glassy carbon electrodes (GCEs) decorated with Pt/MoS2/Ti3C2 MXene (Pt/MoS2/TM) was constructed for the detection of chlorpyrifos. It is worth noting that Pt/MoS2/TM possesses good biocompatibility, remarkable electrical conductivity, environmental stability and large specific surface area. Besides, the heterostructure formed by the composite of TM and MoS2 improves the conductivity and maintains the original structure, which is conducive to improving the electrochemical property. The coordination effect between the individual components enables the even distribution of functional components and enhances the electrochemical performance of the biosensor (AChE-Chit/Pt/MoS2/TM). Under optimal efficiency and sensitivity, the AChE-Chit/Pt/MoS2/TM/GCE sensing platform exerts comparable analytical performance and a wide concentration range of chlorpyrifos from 10-12 to 10-6 M as well as a low limit of detection (4.71 × 10-13 M). Furthermore, the biosensor is utilized to detect OPs concerning three kinds of fruits and vegetables with good feasibility and recoveries (94.81% to 104.0%). This work would provide a new scheme to develop high-sensitivity sensors based on the two-dimensional nanosheet/laminar hybrid structure for practical applications in environmental monitoring and agricultural product detection.
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Affiliation(s)
- Fei Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yao Zhu
- School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Long Qian
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yuhao Yin
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Ziyu Yuan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yuting Dai
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Tao Zhang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Dongya Yang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Fengxian Qiu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China.
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6
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Jia D, Yang T, Wang K, Wang H, Wang E, Chou KC, Hou X. Ti 3C 2T x Coated with TiO 2 Nanosheets for the Simultaneous Detection of Ascorbic Acid, Dopamine and Uric Acid. Molecules 2024; 29:2915. [PMID: 38930980 PMCID: PMC11206739 DOI: 10.3390/molecules29122915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 06/13/2024] [Accepted: 06/16/2024] [Indexed: 06/28/2024] Open
Abstract
Two-dimensional MXenes have become an important material for electrochemical sensing of biomolecules due to their excellent electric properties, large surface area and hydrophilicity. However, the simultaneous detection of multiple biomolecules using MXene-based electrodes is still a challenge. Here, a simple solvothermal process was used to synthesis the Ti3C2Tx coated with TiO2 nanosheets (Ti3C2Tx@TiO2 NSs). The surface modification of TiO2 NSs on Ti3C2Tx can effectively reduce the self-accumulation of Ti3C2Tx and improve stability. Glassy carbon electrode was modified by Ti3C2Tx@TiO2 NSs (Ti3C2Tx@TiO2 NSs/GCE) and was able simultaneously to detect dopamine (DA), ascorbic acid (AA) and uric acid (UA). Under concentrations ranging from 200 to 1000 μM, 40 to 300 μM and 50 to 400 μM, the limit of detection (LOD) is 2.91 μM, 0.19 μM and 0.25 μM for AA, DA and UA, respectively. Furthermore, Ti3C2Tx@TiO2 NSs/GCE demonstrated remarkable stability and reliable reproducibility for the detection of AA/DA/UA.
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Affiliation(s)
- Dengzhou Jia
- Institute for Carbon Neutrality, University of Science and Technology Beijing, Beijing 100083, China
| | - Tao Yang
- Institute for Carbon Neutrality, University of Science and Technology Beijing, Beijing 100083, China
- Institute of Steel Sustainable Technology, Liaoning Academy of Materials, Shenyang 110167, China
| | - Kang Wang
- Institute for Carbon Neutrality, University of Science and Technology Beijing, Beijing 100083, China
| | - Hongyang Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Enhui Wang
- Institute for Carbon Neutrality, University of Science and Technology Beijing, Beijing 100083, China
- Institute of Steel Sustainable Technology, Liaoning Academy of Materials, Shenyang 110167, China
| | - Kuo-Chih Chou
- Institute for Carbon Neutrality, University of Science and Technology Beijing, Beijing 100083, China
| | - Xinmei Hou
- Institute for Carbon Neutrality, University of Science and Technology Beijing, Beijing 100083, China
- Institute of Steel Sustainable Technology, Liaoning Academy of Materials, Shenyang 110167, China
- Beijing Advanced Innovation Center for Materials Genome Engineering, University of Science and Technology Beijing, Beijing 100083, China
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7
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Yeoh GH, De Cachinho Cordeiro IM, Wang W, Wang C, Yuen ACY, Chen TBY, Vargas JB, Mao G, Garbe U, Chua HT. Carbon-based Flame Retardants for Polymers: A Bottom-up Review. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2403835. [PMID: 38814633 DOI: 10.1002/adma.202403835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/22/2024] [Indexed: 05/31/2024]
Abstract
This state-of-the-art review is geared toward elucidating the molecular understanding of the carbon-based flame-retardant mechanisms for polymers via holistic characterization combining detailed analytical assessments and computational material science. The use of carbon-based flame retardants, which include graphite, graphene, carbon nanotubes (CNTs), carbon dots (CDs), and fullerenes, in their pure and functionalized forms are initially reviewed to evaluate their flame retardancy performance and to determine their elevation of the flammability resistance on various types of polymers. The early transition metal carbides such as MXenes, regarded as next-generation carbon-based flame retardants, are discussed with respect to their superior flame retardancy and multifunctional applications. At the core of this review is the utilization of cutting-edge molecular dynamics (MD) simulations which sets a precedence of an alternative bottom-up approach to fill the knowledge gap through insights into the thermal resisting process of the carbon-based flame retardants, such as the formation of carbonaceous char and intermediate chemical reactions offered by the unique carbon bonding arrangements and microscopic in-situ architectures. Combining MD simulations with detailed experimental assessments and characterization, a more targeted development as well as a systematic material synthesis framework can be realized for the future development of advanced flame-retardant polymers.
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Affiliation(s)
- Guan Heng Yeoh
- School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
- Australian Nuclear Science and Technology Organisation (ANSTO), Kirrawee DC, Sydney, NSW, 2232, Australia
| | | | - Wei Wang
- School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Cheng Wang
- School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Anthony Chun Yin Yuen
- Department of Building Environment and Energy Engineering, Hong Kong Polytechnic University, Hong Kong, SAR, China
| | - Timothy Bo Yuan Chen
- Department of Architecture and Civil Engineering, City University of Hong Kong, Hong Kong, SAR, China
| | - Juan Baena Vargas
- Commonwealth Science Industry Research Organisation (CSIRO), North Ryde, Sydney, NSW, 2113, Australia
| | - Guangzhao Mao
- School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Ulf Garbe
- Australian Nuclear Science and Technology Organisation (ANSTO), Kirrawee DC, Sydney, NSW, 2232, Australia
| | - Hui Tong Chua
- School of Chemical Engineering, University of Western Australia, Perth, WA, 6009, Australia
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8
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Cui Z, Li Y, Tsyusko OV, Wang J, Unrine JM, Wei G, Chen C. Metal-Organic Framework-Enabled Sustainable Agrotechnologies: An Overview of Fundamentals and Agricultural Applications. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38600745 DOI: 10.1021/acs.jafc.4c00764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
With aggravated abiotic and biotic stresses from increasing climate change, metal-organic frameworks (MOFs) have emerged as versatile toolboxes for developing environmentally friendly agrotechnologies aligned with agricultural practices and safety. Herein, we have explored MOF-based agrotechnologies, focusing on their intrinsic properties, such as structural and catalytic characteristics. Briefly, MOFs possess a sponge-like porous structure that can be easily stimulated by the external environment, facilitating the controlled release of agrochemicals, thus enabling precise delivery of agrochemicals. Additionally, MOFs offer the ability to remove or degrade certain pollutants by capturing them within their pores, facilitating the development of MOF-based remediation technologies for agricultural environments. Furthermore, the metal-organic hybrid nature of MOFs grants them abundant catalytic activities, encompassing photocatalysis, enzyme-mimicking catalysis, and electrocatalysis, allowing for the integration of MOFs into degradation and sensing agrotechnologies. Finally, the future challenges that MOFs face in agrotechnologies were proposed to promote the development of sustainable agriculture practices.
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Affiliation(s)
- Zhaowen Cui
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
| | - Yuechun Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
| | - Olga V Tsyusko
- Department of Plant and Soil Sciences, University of Kentucky, Lexington, Kentucky 40546, United States
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
| | - Jason M Unrine
- Department of Plant and Soil Sciences, University of Kentucky, Lexington, Kentucky 40546, United States
- Kentucky Water Resources Research Institute, University of Kentucky, Lexington, Kentucky 40506, United States
| | - Gehong Wei
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
| | - Chun Chen
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, People's Republic of China
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9
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Talha A, Raja DA, Hussain D, Malik MI. Gold nanoparticle-based selective and efficient spectrophotometric assay for the insecticide methamidophos. Mikrochim Acta 2024; 191:164. [PMID: 38413405 DOI: 10.1007/s00604-024-06237-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 01/24/2024] [Indexed: 02/29/2024]
Abstract
A reliable, rapid, and inexpensive nano-sized chemosensor is presented for methamidophos (MET) - an insecticide. Poly(lactic acid) (PLA)-stabilized gold nanoparticles (AuNPs) were synthesized by a simple one-pot, two-phase chemical reduction method. The synthesized PLA-AuNPs were subsequently employed for selective, efficient, and quantitative detection of MET. MET is one of the highly toxic pesticides used for eradication of agricultural and urban insects. Upon the addition of MET, the wine-red color of PLA-AuNPs swiftly transformed into greyish-blue, further corroborated by a significant bathochromic and hyperchromic shift in the SPR band. The presence of other interfering insecticides, metal salts, and drugs did not have any pronounced effect on quantitative MET detection. The detection limit, the quantification limit, and linear dynamic range of MET utilizing PLA-AuNPs were 0.0027 µM, 0.005 µM, and 0.005-1000 µM, respectively. The PLA-AuNP-based assay renders an efficient, rapid, accurate, and selective quantification of MET in food, biological, and environmental samples. The proposed sensor provides an appropriate platform for fast and on-the-spot determination of MET without requiring a well-equipped lab setup.
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Affiliation(s)
- Abu Talha
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Daim Asif Raja
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Dilshad Hussain
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan
| | - Muhammad Imran Malik
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan.
- Third World Center for Science and Technology, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, 75270, Pakistan.
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10
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Xiao J, Shi F, Zhang Y, Peng M, Xu J, Li J, Chen Z, Yang Z. A MOF nanozyme-mediated acetylcholinesterase-free colorimetric strategy for direct detection of organophosphorus pesticides. Chem Commun (Camb) 2024; 60:996-999. [PMID: 38168820 DOI: 10.1039/d3cc05381d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Although some simple and rapid colorimetric methods have been developed to detect organophosphorus pesticides (OPs), the difficult extraction and easy denaturation of acetylcholinesterase (AChE) are still drawbacks needing to be overcome. Here, we propose a MOF nanozyme-mediated AChE-free colorimetric strategy for the direct detection of OPs. In the presence of OPs (pirimiphos-methyl as a model), the intense blue of oxidized 3,3',5,5'-tetramethylbenzidine (TMB) becomes light due to the quenching effect of OPs towards hydroxyl radicals (˙OH) that are generated by the decomposition of H2O2 catalyzed by the Cu4Co6 ZIF nanozyme with excellent peroxidase (POD)-like activity. The developed colorimetric sensor exhibits assay performance and offers a universal and promising analysis strategy for detecting OPs in practical samples.
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Affiliation(s)
- Jiaxiang Xiao
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China.
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha 410082, P. R. China.
| | - Feng Shi
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China.
| | - Ye Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China.
| | - Maoying Peng
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China.
| | - Jinming Xu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China.
| | - Juan Li
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China.
| | - Zhuo Chen
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha 410082, P. R. China.
| | - Zhanjun Yang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China.
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Jagirani MS, Zhou W, Nazir A, Akram MY, Huo P, Yan Y. A Recent Advancement in Food Quality Assessment: Using MOF-Based Sensors: Challenges and Future Aspects. Crit Rev Anal Chem 2024:1-22. [PMID: 38252119 DOI: 10.1080/10408347.2023.2300660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Monitoring food safety is crucial and significantly impacts the ecosystem and human health. To adequately address food safety problems, a collaborative effort needed from government, industry, and consumers. Modern sensing technologies with outstanding performance are needed to meet the growing demands for quick and accurate food safety monitoring. Recently, emerging sensors for regulating food safety have been extensively explored. Along with the development in sensing technology, the metal-organic frameworks (MOF)-based sensors gained more attention due to their excellent sensing, catalytic, and adsorption properties. This review summarizes the current advancements and applications of MOFs-based sensors, including colorimetric, electrochemical, luminescent, surface-enhanced Raman scattering, and electrochemiluminescent sensors. and also focused on the applications of MOF-based sensors for the monitoring of toxins such as heavy metals, pesticide residues, mycotoxins, pathogens, and illegal food additives from food samples. Future trends, as well as current developments in MOF-based materials.
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Affiliation(s)
- Muhammad Saqaf Jagirani
- Institute of Green Chemistry and Chemical Technology, School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Weiqiang Zhou
- Institute of Green Chemistry and Chemical Technology, School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Ahsan Nazir
- Institute of Green Chemistry and Chemical Technology, School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Muhammad Yasir Akram
- Institute of Green Chemistry and Chemical Technology, School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Pengwei Huo
- Institute of Green Chemistry and Chemical Technology, School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Yongsheng Yan
- Institute of Green Chemistry and Chemical Technology, School of Chemistry & Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
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12
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Đurđić S, Vlahović F, Ognjanović M, Gemeiner P, Sarakhman O, Stanković V, Mutić J, Stanković D, Švorc Ľ. Nano-size cobalt-doped cerium oxide particles embedded into graphitic carbon nitride for enhanced electrochemical sensing of insecticide fenitrothion in environmental samples: An experimental study with the theoretical elucidation of redox events. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 909:168483. [PMID: 37977380 DOI: 10.1016/j.scitotenv.2023.168483] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/18/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023]
Abstract
In the present work, a nanocomposite, based on embedding Co-doped CeO2 nanoparticles into graphitic carbon nitride (g-C3N4), was applied to functionalize commercial glassy carbon paste. This is the first application of the electrochemical sensor, developed through the proposed procedure, in electrochemical sensing. The sensor was utilized for the electrochemical determination of organophosphate pesticide fenitrothion (FNT). Cyclic voltammetry identified reversible oxidation of FNT (oxidation at 0.18 V and reduction at 0.13 V) and additional reduction at -0.62 V vs. Ag/AgCl in HCl solution (pH = 1). Theoretical calculations were carried out to model and elucidate experimentally observed redox processes. Special attention was devoted to modeling experimental conditions, and based on the obtained results, a detailed redox mechanism of the investigated analyte was proposed. This represents the first complete and unambiguous elucidation of the FNT redox mechanism, supported by joined experimental and theoretical data. Square wave voltammetry (SWV) was utilized for quantification, whereby the FNT oxidation peak was chosen for monitoring the analyte concentration. The developed sensor provided a nanomolar detection limit (3.2 nmol L-1), a wide linear concentration range (from 0.01 to 13.7 μmol L-1), and good precision, repeatability, and selectivity towards FNT. Practical application possibility was explored by testing the sensor performance for examining tap water and apple samples. Recovery tests, conducted during the FNT-spiked sample assays, showed a great application capability of the developed sensor for real-time monitoring of FNT traces in environmental samples.
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Affiliation(s)
- Slađana Đurđić
- University of Belgrade - Faculty of Chemistry, Studenstki trg 12-16, 11000 Belgrade, Serbia; Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37 Bratislava, Slovak Republic.
| | - Filip Vlahović
- Scientific Institution, Institute of Chemistry, Technology and Metallurgy, National Institute University of Belgrade, 11000 Belgrade, Serbia
| | - Miloš Ognjanović
- "VINČA" Institute of Nuclear Sciences, University of Belgrade, National Institute of the Republic of Serbia, Belgrade, Serbia
| | - Pavol Gemeiner
- Department of Graphic Arts Technology and Applied Photochemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37 Bratislava, Slovakia
| | - Olha Sarakhman
- Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37 Bratislava, Slovak Republic
| | - Vesna Stanković
- Scientific Institution, Institute of Chemistry, Technology and Metallurgy, National Institute University of Belgrade, 11000 Belgrade, Serbia
| | - Jelena Mutić
- University of Belgrade - Faculty of Chemistry, Studenstki trg 12-16, 11000 Belgrade, Serbia
| | - Dalibor Stanković
- University of Belgrade - Faculty of Chemistry, Studenstki trg 12-16, 11000 Belgrade, Serbia; "VINČA" Institute of Nuclear Sciences, University of Belgrade, National Institute of the Republic of Serbia, Belgrade, Serbia
| | - Ľubomír Švorc
- Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37 Bratislava, Slovak Republic
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Kandasamy G, Manisekaran R, Arthikala MK. Chitosan nanoplatforms in agriculture for multi-potential applications - Adsorption/removal, sustained release, sensing of pollutants & delivering their alternatives - A comprehensive review. ENVIRONMENTAL RESEARCH 2024; 240:117447. [PMID: 37863167 DOI: 10.1016/j.envres.2023.117447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/10/2023] [Accepted: 10/17/2023] [Indexed: 10/22/2023]
Abstract
An increase in the global population has led to an increment in the food consumption, which has demanded high food production. To meet the production demands, different techniques and technologies are adopted in agriculture the past 70 years, where utilization of the industry-manufactured/synthetic pesticides (SPTCs - e.g., herbicides, insecticides, fungicides, bactericides, nematicides, acaricides, avicides, and so on) is one of them. However, it has been later revealed that the usage of SPTCs has negatively impacted the environment - especially water and soil, and also agricultural products - mainly foods. Though preventive measures are taken by government agencies, still the utilization rate of SPTCs is high, and consequently, their maximum residual limit (MRL) levels in food are above tolerance, which further results in serious health concerns in humans. So, there is an immediate need for decreasing the utilization of the SPTCs by delivering them effectively at reduced levels in agriculture but with the required efficacy. Apart from that, it is mandatory to detect/sense and also to remove them to lessen the environmental pollution, while developing effective alternative techniques/technologies. Among many suitable materials that are developed/idenified, chitosan, a bio-polymer has gained great attention and is comprehensively implemented in all the above-mentioned applications - sensing, delivery and removal, due to their excellent and required properties. Though many works are available, in this work, a special attention is given to chitosan and its derivatives (i.e., chitosan nanoparticles (CNPs))based removal, controlled release and sensing of the SPTCs - specifically herbicides and insecticides. Moreover, the chitosan/CNPs-based protective effects on the in vivo models during/after their exposure to the SPTCs, and the current technologies like clustered regularly interspaced short palindromic repeats (CRISPR) as alternatives for SPTCs are also reviewed.
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Affiliation(s)
- Ganeshlenin Kandasamy
- Department of Biomedical Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, 600062, Tamil Nadu, India.
| | - Ravichandran Manisekaran
- Interdisciplinary Research Laboratory (LII), Nanostructures & Biomaterials, Escuela Nacional de Estudios Superiores (ENES) Unidad León-Universidad Nacional Autónoma de México (UNAM), León, Guanajuato C.P. 37689, Mexico
| | - Manoj-Kumar Arthikala
- Interdisciplinary Research Laboratory (LII), Ciencias Agrogenómicas, Escuela Nacional de Estudios Superiores (ENES) Unidad León-Universidad Nacional Autónoma de México (UNAM), León, Guanajuato C.P. 37689, Mexico
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14
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Xie Y, Wu X, Shi Y, Peng Y, Zhou H, Wu X, Ma J, Jin J, Pi Y, Pang H. Recent Progress in 2D Metal-Organic Framework-Related Materials. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305548. [PMID: 37643389 DOI: 10.1002/smll.202305548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/10/2023] [Indexed: 08/31/2023]
Abstract
2D metal-organic frameworks-based (2D MOF-related) materials benefit from variable topological structures, plentiful open active sites, and high specific surface areas, demonstrating promising applications in gas storage, adsorption and separation, energy conversion, and other domains. In recent years, researchers have innovatively designed multiple strategies to avoid the adverse effects of conventional methods on the synthesis of high-quality 2D MOFs. This review focuses on the latest advances in creative synthesis techniques for 2D MOF-related materials from both the top-down and bottom-up perspectives. Subsequently, the strategies are categorized and summarized for synthesizing 2D MOF-related composites and their derivatives. Finally, the current challenges are highlighted faced by 2D MOF-related materials and some targeted recommendations are put forward to inspire researchers to investigate more effective synthesis methods.
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Affiliation(s)
- Yun Xie
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
| | - Xinyue Wu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
| | - Yuxin Shi
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
| | - Yi Peng
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
| | - Huijie Zhou
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
| | - Xiaohui Wu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
| | - Jiao Ma
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
| | - Jiangchen Jin
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
| | - Yecan Pi
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
| | - Huan Pang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, P. R. China
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15
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Sun P, Niu K, Du H, Li R, Chen J, Lu X. Ultrasensitive rapid detection of antibiotic resistance genes by electrochemical ratiometric genosensor based on 2D monolayer Ti 3C 2@AuNPs. Biosens Bioelectron 2023; 240:115643. [PMID: 37651949 DOI: 10.1016/j.bios.2023.115643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/02/2023]
Abstract
As an important emerging pollutant, antibiotic resistance genes (ARGs) monitoring is crucial to protect the ecological environment and public health, but its rapid and accurate detection is still a major challenge. In this study, a new single-labeled dual-signal output ratiometric electrochemical genosensor (E-DNA) was developed for the rapid and highly sensitive detection of ARGs using a synergistic signal amplification strategy of T3C2@Au nanoparticles (T3C2@AuNPs) and isothermal strand displacement polymerase reaction (ISDPR). Specially, two-dimensional monolayer T3C2 nanosheets loaded with uniformly gold nanoparticles were prepared and used as the sensing platform of the E-DNA sensor. Benefiting from excellent conductivity and large specific surface area of Ti3C2@AuNPs, the probe immobilization capacity of the E-DNA sensor is doubled, and electrochemical response signals of the E-DNA sensor were significantly improved. The proposed single-labeled dual-signal output ratiometric sensing strategy exhibits three to six times higher sensitivity for the sul2 gene than the single-signal sensing strategy, which significantly reduces cost meanwhile retaining the advantages of high sensitivity and reliability offered by conventional dual-labeled ratiometric sensors. Coupled with ISDPR amplification technology, the E-DNA sensor has a wider linear range from 10 fM to 10 nM and a limit of detection as low as 2.04 fM (S/N=3). More importantly, the E-DNA sensor demonstrates excellent specificity, good stability and reproducibility for target ARGs detection in real water samples. The proposed new sensing strategy provides a highly sensitive and versatile tool for the rapid and accurate quantitative analysis of various ARGs in environmental water samples.
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Affiliation(s)
- Pengcheng Sun
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China; Dalian Minzu University, College of Mechanical and Electronic Engineering, Dalian, 116600, PR China
| | - Kai Niu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Haiying Du
- Dalian Minzu University, College of Mechanical and Electronic Engineering, Dalian, 116600, PR China.
| | - Ruixin Li
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China
| | - Jiping Chen
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China
| | - Xianbo Lu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China.
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16
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Niyitanga T, Chaudhary A, Ahmad K, Kim H. Titanium Carbide (Ti 3C 2T x) MXene as Efficient Electron/Hole Transport Material for Perovskite Solar Cells and Electrode Material for Electrochemical Biosensors/Non-Biosensors Applications. MICROMACHINES 2023; 14:1907. [PMID: 37893344 PMCID: PMC10609296 DOI: 10.3390/mi14101907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/30/2023] [Accepted: 10/04/2023] [Indexed: 10/29/2023]
Abstract
Recently, two-dimensional (2D) MXenes materials have received enormous attention because of their excellent physiochemical properties such as high carrier mobility, metallic electrical conductivity, mechanical properties, transparency, and tunable work function. MXenes play a significant role as additives, charge transfer layers, and conductive electrodes for optoelectronic applications. Particularly, titanium carbide (Ti3C2Tx) MXene demonstrates excellent optoelectronic features, tunable work function, good electron affinity, and high conductivity. The Ti3C2Tx has been widely used as electron transport (ETL) or hole transport layers (HTL) in the development of perovskite solar cells (PSCs). Additionally, Ti3C2Tx has excellent electrochemical properties and has been widely explored as sensing material for the development of electrochemical biosensors. In this review article, we have summarized the recent advances in the development of the PSCs using Ti3C2Tx MXene as ETL and HTL. We have also compiled the recent progress in the fabrication of biosensors using Ti3C2Tx-based electrode materials. We believed that the present mini review article would be useful to provide a deep understanding, and comprehensive insight into the research status.
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Affiliation(s)
- Theophile Niyitanga
- School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Archana Chaudhary
- Department of Chemistry, Medi-Caps University, Indore 453331, Madhya Pradesh, India
| | - Khursheed Ahmad
- School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Haekyoung Kim
- School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
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17
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Xu H, Guo C, Yuan W, Zhang W, Sun Q, Wu J, Zhang X. Effects of additives on the performance of a laser-induced graphene sensor modified with ZrO 2 nanoparticles for OP detection. Analyst 2023; 148:5210-5220. [PMID: 37724336 DOI: 10.1039/d3an01215h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
In this study, a simple and portable electrochemical sensor based on laser-induced graphene (LIG) has been developed to systematically investigate the feasibility of LIG as an electrode to detect organophosphorus pesticides (OPs). It proves that the LIG-based electrode has a relatively high electrochemically active surface area (ECSA) and heterogeneous electron transfer (HET) of 0.100 cm2 and 0.000825 cm s-1, respectively. In addition, zirconium dioxide nanoparticles (ZrO2 NPs) have been modified on the electrode with three different binders, β-cyclodextrin (β-CD), chitosan (CS) and Nafion, to improve the adsorption capacity of the electrode toward OPs, and the effect of the binders on the performance of the as-fabricated sensor has been investigated in detail. The results show that β-CD increases not only the electrochemically active surface area of the electrode but also the redox peak current of methyl parathion (MP). To evaluate the sensitivity of the sensor, differential pulse voltammetry (DPV) curves have been tested in solutions containing different concentrations of MP using ZrO2-β-CD/LIG as an electrode, which shows a detection range of 5-200 ng ml-1 and a detection limit of 0.89 ng ml-1. In summary, the LIG-based sensor has a low detection limit, high sensitivity and good interference resistance, and thus has tremendous potential for the detection of pesticides in the environment.
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Affiliation(s)
- Huiyang Xu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China.
- School of Astronautics, Harbin Institute of Technology, Harbin 150001, China.
| | - Chuang Guo
- Beijing Spacecrafts, Beijing, 100194, China
| | - Weijian Yuan
- School of Astronautics, Harbin Institute of Technology, Harbin 150001, China.
| | - Wenna Zhang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China.
| | - Qiu Sun
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China.
| | - Jianfeng Wu
- State Key Laboratory of Toxicology and Medical Countermeasures and Laboratory of Toxicant Analysis, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China.
| | - Xuelin Zhang
- School of Astronautics, Harbin Institute of Technology, Harbin 150001, China.
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18
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Ye X, Zhang X, Zhou X, Wang G. Asymmetric and Flexible Ag-MXene/ANFs Composite Papers for Electromagnetic Shielding and Thermal Management. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2608. [PMID: 37764637 PMCID: PMC10536414 DOI: 10.3390/nano13182608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/18/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023]
Abstract
Lightweight, flexible, and electrically conductive thin films with high electromagnetic interference (EMI) shielding effectiveness and excellent thermal management capability are ideal for portable and flexible electronic devices. Herein, the asymmetric and multilayered structure Ag-MXene/ANFs composite papers (AMAGM) were fabricated based on Ag-MXene hybrids and aramid nanofibers (ANFs) via a self-reduction and alternating vacuum-assisted filtration process. The resultant AMAGM composite papers exhibit high electrical conductivity of 248,120 S m-1, excellent mechanical properties with tensile strength of 124.21 MPa and fracture strain of 4.98%, superior EMI shielding effectiveness (62 dB), ultra-high EMI SE/t (11,923 dB cm2 g-1) and outstanding EMI SE reliability as high as 96.1% even after 5000 cycles of bending deformation benefiting from the unique structure and the 3D network at a thickness of 34 μm. Asymmetric structures play an important role in regulating reflection and absorption of electromagnetic waves. In addition, the multifunctional nanocomposite papers reveal outstanding thermal management performances such as ultrafast thermal response, high heating temperatures at low operation voltage, and high heating stability. The results indicate that the AMAGM composite papers have excellent potential for high-integration electromagnetic shielding, wearable electronics, artificial intelligence, and high-performance heating devices.
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Affiliation(s)
- Xiaoai Ye
- Guangdong Provincial Key Laboratory of Semiconductor Optoelectronic Materials and Intelligent Photonic Systems, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; (X.Y.)
| | - Xu Zhang
- Guangdong Provincial Key Laboratory of Semiconductor Optoelectronic Materials and Intelligent Photonic Systems, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; (X.Y.)
| | - Xinsheng Zhou
- Guangdong Provincial Key Laboratory of Semiconductor Optoelectronic Materials and Intelligent Photonic Systems, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; (X.Y.)
| | - Guigen Wang
- Guangdong Provincial Key Laboratory of Semiconductor Optoelectronic Materials and Intelligent Photonic Systems, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; (X.Y.)
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150080, China
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19
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Bao Y, Ge Y, Wu M, Mao Z, Ye J, Tong W. Record-High Ultrasound-Sensitive NO Nanogenerators for Cascade Tumor Pyroptosis and Immunotherapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302278. [PMID: 37400368 PMCID: PMC10502831 DOI: 10.1002/advs.202302278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/30/2023] [Indexed: 07/05/2023]
Abstract
Pyroptosis is a pro-inflammatory cell death that is associated with innate immunity promotion against tumors. Excess nitric oxide (NO)-triggered nitric stress has potential to induce pyroptosis, but the precise delivery of NO is challenging. Ultrasound (US)-responsive NO production has dominant priority due to its deep penetration, low side effects, noninvasion, and local activation manner. In this work, US-sensitive NO donor N-methyl-N-nitrosoaniline (NMA) with thermodynamically favorable structure is selected and loaded into hyaluronic acid (HA)-modified hollow manganese dioxide nanoparticles (hMnO2 NPs) to fabricate hMnO2 @HA@NMA (MHN) nanogenerators (NGs). The obtained NGs have a record-high NO generation efficiency under US irradiation and can release Mn2+ after targeting the tumor sites. Later on, cascade tumor pyroptosis and cyclic GMP-AMP synthase-stimulator of interferon genes (cGAS-STING)-based immunotherapy is achieved and tumor growth is effectively inhibited.
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Affiliation(s)
- Yuheng Bao
- MOE Key Laboratory of Macromolecular Synthesis and FunctionalizationMinistry of EducationDepartment of Polymer Science and EngineeringZhejiang UniversityHangzhouZhejiang310027China
| | - Yanni Ge
- Eye CenterThe Second Affiliated HospitalSchool of MedicineZhejiang UniversityZhejiang Provincial Key Laboratory of OphthalmologyZhejiang Provincial Clinical Research Center for Eye DiseasesZhejiang Provincial Engineering Institute on Eye DiseasesHangzhouZhejiang310009China
| | - Mengjie Wu
- Stomatology HospitalSchool of StomatologyZhejiang University School of MedicineZhejiang Provincial Clinical Research Center for Oral DiseasesKey Laboratory of Oral Biomedical Research of Zhejiang ProvinceCancer Center of Zhejiang UniversityHangzhouZhejiang310058China
| | - Zhengwei Mao
- MOE Key Laboratory of Macromolecular Synthesis and FunctionalizationMinistry of EducationDepartment of Polymer Science and EngineeringZhejiang UniversityHangzhouZhejiang310027China
| | - Juan Ye
- Eye CenterThe Second Affiliated HospitalSchool of MedicineZhejiang UniversityZhejiang Provincial Key Laboratory of OphthalmologyZhejiang Provincial Clinical Research Center for Eye DiseasesZhejiang Provincial Engineering Institute on Eye DiseasesHangzhouZhejiang310009China
| | - Weijun Tong
- MOE Key Laboratory of Macromolecular Synthesis and FunctionalizationMinistry of EducationDepartment of Polymer Science and EngineeringZhejiang UniversityHangzhouZhejiang310027China
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20
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Ji XX, Liu YL, Chang XY, Li RL, Ye F, Yang L, Fu Y. An electrochemical sensor derived from Cu-BTB MOF for the efficient detection of diflubenzuron in food and environmental samples. Food Chem 2023; 428:136802. [PMID: 37421661 DOI: 10.1016/j.foodchem.2023.136802] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 06/19/2023] [Accepted: 07/01/2023] [Indexed: 07/10/2023]
Abstract
Diflubenzuron is widely used as a benzoylurea insecticide, and its impact on human health should not be underestimated. Therefore, the detection of its residues in food and the environment is crucial. In this paper, octahedral Cu-BTB was fabricated using a simple hydrothermal method. It served as a precursor for synthesizing Cu/Cu2O/CuO@C with a core-shell structure through annealing, creating an electrochemical sensor for the detection of diflubenzuron. The response of Cu/Cu2O/CuO@C/GCE, expressed as ΔI/I0 exhibited a linear correlation with the logarithm of the diflubenzuron concentration ranging from 1.0 × 10-4 to 1.0 × 10-12 mol·L-1. The limit of detection (LOD) was determined to be 130 fM using differential pulse voltammetry (DPV). The electrochemical sensor demonstrated excellent stability, reproducibility, and anti-interference properties. Moreover, Cu/Cu2O/CuO@C/GCE was successfully employed to quantitatively determine diflubenzuron in actual food samples (tomato and cucumber) and environmental samples (Songhua River water, tap water, and local soil) with good recoveries. Finally, the possible mechanism of Cu/Cu2O/CuO@C/GCE for monitoring diflubenzuron was thoroughly investigated.
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Affiliation(s)
- Xian-Xian Ji
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Yu-Long Liu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Xin-Yue Chang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Rui-Long Li
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Fei Ye
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China
| | - Liu Yang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China.
| | - Ying Fu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, People's Republic of China.
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21
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Imran M, Ahmed S, Abdullah AZ, Hakami J, Chaudhary AA, Rudayni HA, Khan SUD, Khan A, Basher NS. Nanostructured material-based optical and electrochemical detection of amoxicillin antibiotic. LUMINESCENCE 2023; 38:1064-1086. [PMID: 36378274 DOI: 10.1002/bio.4408] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 09/19/2022] [Accepted: 11/13/2022] [Indexed: 07/22/2023]
Abstract
The penicillin derivative amoxicillin (AMX) plays an important role in treating various types of infections caused by bacteria. However, excessive use of AMX may have negative health effects. Therefore, it is of utmost importance to detect and quantify the AMX in pharmaceutical drugs, biological fluids, and environmental samples with high sensitivity. Therefore, this review article provides valuable and up-to-date information on nanostructured material-based optical and electrochemical sensors to detect AMX in various biological and chemical samples. The role of using different nanostructured materials on the performance of important optical sensors such as colorimetric sensors, fluorescence sensors, surface-enhanced Raman scattering sensors, chemiluminescence/electroluminescence sensors, optical immunosensors, optical fibre-based sensors, and several important electrochemical sensors based on different electrode types have been discussed. Moreover, nanocomposites, polymer, and MXenes-based electrochemical sensors have also been discussed, in which such materials are being used to further enhance the sensitivity of these sensors. Furthermore, nanocomposite-based photo-electrochemical sensors and the market availability of biosensors including AMX have also been discussed briefly. Finally, the conclusion, challenges, and future perspectives of the above-mentioned sensing techniques for AMX detection are presented.
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Affiliation(s)
- Mohd Imran
- Department of Chemical Engineering, College of Engineering, Jazan University, P.O. Box. 706, Jazan, Saudi Arabia
- School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal, Penang, Malaysia
| | - Shahzad Ahmed
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, India
| | - Ahmad Zuhairi Abdullah
- School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, Nibong Tebal, Penang, Malaysia
| | - Jabir Hakami
- Department of Physics, College of Science, Jazan University, P.O. Box. 114, Jazan, Saudi Arabia
| | - Anis Ahmad Chaudhary
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
| | - Hassan Ahmad Rudayni
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
| | - Salah-Ud-Din Khan
- Department of Biochemistry, College of Medicine, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
| | - Afzal Khan
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, China
| | - Nosiba Suliman Basher
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
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22
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Oladipo AA, Derakhshan Oskouei S, Gazi M. Metal-organic framework-based nanomaterials as opto-electrochemical sensors for the detection of antibiotics and hormones: A review. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2023; 14:631-673. [PMID: 37284550 PMCID: PMC10241095 DOI: 10.3762/bjnano.14.52] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 05/09/2023] [Indexed: 06/08/2023]
Abstract
Increasing trace levels of antibiotics and hormones in the environment and food samples are concerning and pose a threat. Opto-electrochemical sensors have received attention due to their low cost, portability, sensitivity, analytical performance, and ease of deployment in the field as compared to conventional expensive technologies that are time-consuming and require experienced professionals. Metal-organic frameworks (MOFs) with variable porosity, active functional sites, and fluorescence capacity are attractive materials for developing opto-electrochemical sensors. Herein, the insights into the capabilities of electrochemical and luminescent MOF sensors for detection and monitoring of antibiotics and hormones from various samples are critically reviewed. The detailed sensing mechanisms and detection limits of MOF sensors are addressed. The challenges, recent advances, and future directions for the development of stable, high-performance MOFs as commercially viable next-generation opto-electrochemical sensor materials for the detection and monitoring of diverse analytes are discussed.
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Affiliation(s)
- Akeem Adeyemi Oladipo
- Polymeric Materials Research Laboratory, Chemistry Department, Faculty of Arts and Science, Eastern Mediterranean University, TR North Cyprus, Famagusta, via Mersin 10, Türkiye
| | - Saba Derakhshan Oskouei
- Polymeric Materials Research Laboratory, Chemistry Department, Faculty of Arts and Science, Eastern Mediterranean University, TR North Cyprus, Famagusta, via Mersin 10, Türkiye
| | - Mustafa Gazi
- Polymeric Materials Research Laboratory, Chemistry Department, Faculty of Arts and Science, Eastern Mediterranean University, TR North Cyprus, Famagusta, via Mersin 10, Türkiye
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23
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Khan K, Tareen AK, Iqbal M, Ye Z, Xie Z, Mahmood A, Mahmood N, Zhang H. Recent Progress in Emerging Novel MXenes Based Materials and their Fascinating Sensing Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206147. [PMID: 36755364 DOI: 10.1002/smll.202206147] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/28/2022] [Indexed: 05/11/2023]
Abstract
Early transition metals based 2D carbides, nitrides and carbonitrides nanomaterials are known as MXenes, a novel and extensive new class of 2D materials family. Since the first accidently synthesis based discovery of Ti3 C2 in 2011, more than 50 additional compositions have been experimentally reported, including at least eight distinct synthesis methods and also more than 100 stoichiometries are theoretically studied. Due to its distinctive surface chemistry, graphene like shape, metallic conductivity, high hydrophilicity, outstanding mechanical and thermal properties, redox capacity and affordable with mass-produced nature, this diverse MXenes are of tremendous scientific and technological significance. In this review, first we'll come across the MXene based nanomaterials possible synthesis methods, their advantages, limitations and future suggestions, new chemistry related to their selected properties and potential sensing applications, which will help us to explain why this family is growing very fast as compared to other 2D families. Secondly, problems that help to further improve commercialization of the MXene nanomaterials based sensors are examined, and many advances in the commercializing of the MXene nanomaterials based sensors are proposed. At the end, we'll go through the current challenges, limitations and future suggestions.
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Affiliation(s)
- Karim Khan
- School of Electrical Engineering & Intelligentization, Dongguan University of Technology, Dongguan, 523808, China
- Shenzhen Nuoan Environmental & Safety Inc., Shenzhen, 518107, P. R. China
- Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Ayesha Khan Tareen
- School of Mechanical Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Muhammad Iqbal
- Department of BioChemistry, Quaid-i-Azam University, Islamabad, 45320, Islamic Republic of Pakistan
| | - Zhang Ye
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, Hunan, 421001, China
| | - Zhongjian Xie
- Shenzhen International Institute for Biomedical Research, Shenzhen, Guangdong, 518116, China
| | - Asif Mahmood
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, 2006, Australia
| | - Nasir Mahmood
- School of Science, The Royal Melbourne Institute of Technology University, Melbourne, Victoria, VIC 3001, Australia
| | - Han Zhang
- Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Engineering, Shenzhen University, Shenzhen, 518060, China
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24
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Nitrogen and fluoride co-doped graphdiyne with metal-organic framework (MOF)-derived NiCo 2O 4-Co 3O 4 nanocages as sensing layers for ultra-sensitive pesticide detection. Anal Chim Acta 2023; 1252:341012. [PMID: 36935133 DOI: 10.1016/j.aca.2023.341012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/20/2023] [Accepted: 02/23/2023] [Indexed: 03/06/2023]
Abstract
Heteroatom doped graphdiyne (GDY) has been demonstrated to be an effective strategy for achieving outstanding electrochemical properties, including improved electrocatalytic activity, tunable electronic properties and high electronic conductivity, by producing numerous heteroatomic defects as well as active sites. Extensive efforts have been devoted to the issue of single element doping of GDY. Introducing two or more kinds of heteroatoms into GDY materials may create a synergic effect between the co-dopants, thus generating superior electrochemical performance. Nevertheless, little research on multiple elements co-doped GDY, especially in the application of constructing electrochemical biosensor. Herein, nitrogen and fluoride co-doped GDY (N-F-GDY) has been synthesized and employed to combine with NiCo2O4-Co3O4 hollow multishelled nanocages to establish an ultrasensitive electrochemical biosensor for the assay of pesticide residue. The as-prepared electrochemical biosensor possesses a wide linear range of 0.448 pM-44.8 nM for monocrotophos detection and a low detection limit of 0.0166 fM (S/N = 3).
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25
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Solangi NH, Mubarak NM, Karri RR, Mazari SA, Jatoi AS. Advanced growth of 2D MXene for electrochemical sensors. ENVIRONMENTAL RESEARCH 2023; 222:115279. [PMID: 36706895 DOI: 10.1016/j.envres.2023.115279] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 01/03/2023] [Accepted: 01/09/2023] [Indexed: 06/18/2023]
Abstract
Over the last few years, electroanalysis has made significant advancements, particularly in developing electrochemical sensors. Electrochemical sensors generally include emerging Photoelectrochemical and Electrochemiluminescence sensors, which combine optical techniques and traditional electrochemical bio/non-biosensors. Numerous EC-detecting methods have also been designed for commercial applications to detect biological and non-biological markers for various diseases. Analytical applications have recently focused significantly on one of the novel nanomaterials, the MXene. This material is being extensively investigated for applications in electrochemical sensors due to its unique mechanical, electronic, optical, active functional groups and thermal characteristics. This study extensively discusses the salient features of MXene-based electrochemical sensors, photoelectrochemical sensors, enzyme-based biosensors, immunosensors, aptasensors, electrochemiluminescence sensors, and electrochemical non-biosensors. In addition, their performance in detecting various substances and contaminants is thoroughly discussed. Furthermore, the challenges and prospects the MXene-based electrochemical sensors are elaborated.
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Affiliation(s)
- Nadeem Hussain Solangi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Shaukat Ali Mazari
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan.
| | - Abdul Sattar Jatoi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
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26
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Jiang W, Li Z, Yang Q, Hou X. Integration of Metallic Nanomaterials and Recognition Elements for the Specifically Monitoring of Pesticides in Electrochemical Sensing. Crit Rev Anal Chem 2023:1-22. [DOI: 10.1080/10408347.2023.2189955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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27
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Theyagarajan K, Kim YJ. Recent Developments in the Design and Fabrication of Electrochemical Biosensors Using Functional Materials and Molecules. BIOSENSORS 2023; 13:bios13040424. [PMID: 37185499 PMCID: PMC10135976 DOI: 10.3390/bios13040424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 05/17/2023]
Abstract
Electrochemical biosensors are superior technologies that are used to detect or sense biologically and environmentally significant analytes in a laboratory environment, or even in the form of portable handheld or wearable electronics. Recently, imprinted and implantable biosensors are emerging as point-of-care devices, which monitor the target analytes in a continuous environment and alert the intended users to anomalies. The stability and performance of the developed biosensor depend on the nature and properties of the electrode material or the platform on which the biosensor is constructed. Therefore, the biosensor platform plays an integral role in the effectiveness of the developed biosensor. Enormous effort has been dedicated to the rational design of the electrode material and to fabrication strategies for improving the performance of developed biosensors. Every year, in the search for multifarious electrode materials, thousands of new biosensor platforms are reported. Moreover, in order to construct an effectual biosensor, the researcher should familiarize themself with the sensible strategies behind electrode fabrication. Thus, we intend to shed light on various strategies and methodologies utilized in the design and fabrication of electrochemical biosensors that facilitate sensitive and selective detection of significant analytes. Furthermore, this review highlights the advantages of various electrode materials and the correlation between immobilized biomolecules and modified surfaces.
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Affiliation(s)
- K Theyagarajan
- Department of Electronic Engineering, Gachon University, Seongnam 13120, Republic of Korea
| | - Young-Joon Kim
- Department of Electronic Engineering, Gachon University, Seongnam 13120, Republic of Korea
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28
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A novel method for detection of ochratoxin A in foods—Co-MOFs based dual signal ratiometric electrochemical aptamer sensor coupled with DNA walker. Food Chem 2023; 403:134316. [DOI: 10.1016/j.foodchem.2022.134316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 09/12/2022] [Accepted: 09/15/2022] [Indexed: 11/23/2022]
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29
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Solanki S, Prakash Nair P, Saxena R, Singh R. Recent Advances in Metal‐Organic‐Framework‐Based Composites for Efficient Sequestration of Organophosphorus Pesticides (OPPs). ChemistrySelect 2023. [DOI: 10.1002/slct.202203450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Swati Solanki
- Amity Institute of Biotechnology Amity University Uttar Pradesh, Sector 125 Noida Uttar Pradesh 201313 India
| | - Pravesh Prakash Nair
- Department of Chemistry Kirori Mal College University of Delhi Delhi India- 110007
| | - Reena Saxena
- Department of Chemistry Kirori Mal College University of Delhi Delhi India- 110007
| | - Rachana Singh
- Amity Institute of Biotechnology Amity University Uttar Pradesh, Sector 125 Noida Uttar Pradesh 201313 India
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30
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Liu X, Chen L, Yang Y, Xu L, Sun J, Gan T. MXene-reinforced octahedral PtCu nanocages with boosted electrocatalytic performance towards endocrine disrupting pollutants sensing. JOURNAL OF HAZARDOUS MATERIALS 2023; 442:130000. [PMID: 36137886 DOI: 10.1016/j.jhazmat.2022.130000] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/28/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
Rational tailoring of hollow and porous bimetallic structures with excellent electrocatalytic performance is appealing yet challenging. Further, combining independent bimetallic nanoparticles with flexible two-dimensional substrate by forming stable heterocomplex is still highly desired for electrocatalysis. Herein, hierarchical PtCu alloy octahedrons with hollow interiors and nanosheet-assembled nanoshells were synthesized by a facile and efficient chemical transformation strategy using Cu2O as sacrificial templates. Such octahedral PtCu nanocages displayed significantly enhanced electrocatalytic activity owing to their unique hollow and porous architectures which provided easy access for analytes to the catalyst surface. Thereafter, introduction of Ti3C2Tx MXene was realized via simple incubation of Ti3C2Tx in solution containing the 3-aminopropyltriethoxysilane-capped PtCu, and their electrostatic interaction guaranteed the firm adsorption of PtCu nanocages on Ti3C2Tx nanosheets. It turned out that the sensitivity of the hybrid sensor was remarkably improved for electrochemical monitoring of endocrine disrupting pollutants in water, exhibiting ultrawide linear ranges and sub-nanomole detection limits. The eminent electrode performance is attributed to the high specific area, fast electrochemical kinetics, decent electrical catalytic ability, and the synergistic effect between Pt, Cu, and MXene.
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Affiliation(s)
- Xian Liu
- College of Chemistry and Chemical Engineering & Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, PR China
| | - Like Chen
- College of Chemistry and Chemical Engineering & Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, PR China
| | - Yang Yang
- College of Chemistry and Chemical Engineering & Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, PR China
| | - Liping Xu
- College of Chemistry and Chemical Engineering & Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, PR China
| | - Junyong Sun
- College of Chemistry and Chemical Engineering & Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, PR China; Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology, Minnan Normal University, Zhangzhou 363000, PR China; Fujian Provincial University Key Laboratory of Pollution Monitoring and Control, Minnan Normal University, Zhangzhou 363000, PR China
| | - Tian Gan
- College of Chemistry and Chemical Engineering & Xinyang key laboratory of functional nanomaterials for bioanalysis, Xinyang Normal University, Xinyang 464000, PR China.
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31
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Dissolved Oxygen Strategy for Synthesizing MnO
2
and its Application for Circulating Wastewater Treatment. ChemistrySelect 2022. [DOI: 10.1002/slct.202203934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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32
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33
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Xie FT, Li YL, Yang T, Yang YH, Hu R. Metal-Organic Framework UiO-66-Mediated Dual-Signal Ratiometric Electrochemical Sensor for microRNA Detection with DNA Walker Amplification. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:11828-11836. [PMID: 36148509 DOI: 10.1021/acs.langmuir.2c00932] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Electrochemical nanotags with strong signal input are necessary for a ratiometric electrochemical sensor to overcome the drawbacks of inaccurate detection results. In this paper, the metal-organic framework (MOF) UiO-66 was utilized as an electrochemical signal tag. A stable and strong current response at +0.9 V can be detected in neutral conditions. MicroRNA (miRNA) was employed as the model analyte. Herein, an enzyme-free DNA-walker-based ultrasensitive ratiometric electrochemical biosensor in combination with Zr MOF (UiO-66) signal tags to detect miRNA was demonstrated. In the presence of miRNA, the autonomous walker movement can be initiated by miRNA, leading to the release of biotin-modified fragments. Thus, streptavidin-labeled UiO-66 nanomaterials were not bound to the electrode, generating a low signal response of UiO-66 at +0.9 V. However, the current signal of electrolyte solution as reference at +0.2 V was increased due to the enhancement of electrode conductivity. This ratiometic sensor demonstrated high sensitivity, selectivity, and reproducibility. It can eliminate the disturbance of environmental factors and basic electrode characteristics, providing more accurate signals. A limit of detection (LOD) of 0.17 fM was achieved. Moreover, the method was also used to detect miRNA-21 spiked in real serum samples.
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Affiliation(s)
- Fa-Ting Xie
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, P.R. China
| | - Yu-Long Li
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, P.R. China
| | - Tong Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, P.R. China
| | - Yun-Hui Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, P.R. China
| | - Rong Hu
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, P.R. China
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34
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Wei C, Tang P, Tang Y, Liu L, Lu X, Yang K, Wang Q, Feng W, Shubhra QTH, Wang Z, Zhang H. Sponge-Like Macroporous Hydrogel with Antibacterial and ROS Scavenging Capabilities for Diabetic Wound Regeneration. Adv Healthc Mater 2022; 11:e2200717. [PMID: 35948007 DOI: 10.1002/adhm.202200717] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/30/2022] [Indexed: 01/28/2023]
Abstract
Hydrogels with soft and wet properties have been intensively investigated for chronic disease tissue repair. Nevertheless, tissue engineering hydrogels containing high water content are often simultaneously suffered from low porous size and low water-resistant capacities, leading to undesirable surgery outcomes. Here, a novel sponge-like macro-porous hydrogel (SM-hydrogel) with stable macro-porous structures and anti-swelling performances is developed via a facile, fast yet robust approach induced by Ti3 C2 MXene additives. The MXene-induced SM-hydrogels (80% water content) with 200-300 µm open macropores, demonstrating ideal mass/nutrient infiltration capability at ≈20-fold higher water/blood-transport velocity over that of the nonporous hydrogels. Moreover, the highly strong interactions between MXene and polymer chains endow the SM-hydrogels with excellent anti-swelling capability, promising equilibrium SM-hydrogels with identical macro-porous structures and toughened mechanical performances. The SM-hydrogel with versatile functions such as facilitating mass transport, antibacterial (bacterial viability in (Acrylic acid-co-Methacrylamide dopamine) copolymer-Ti3 C2 MXene below 25%), and reactive oxygen species scavenging capacities (96% scavenging ratio at 120 min) synergistically promotes diabetic wound healing (compared with non-porous hydrogels the wound closure rate increased from 39% to 81% within 7 days). Therefore, the durable SM-hydrogels exhibit connective macro-porous structures and bears versatile functions induced by MXene, demonstrating its great potential for wound tissue engineering.
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Affiliation(s)
- Cheng Wei
- State Key Laboratory of Environmental Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Sichuan, 621010, China
| | - Pengfei Tang
- State Key Laboratory of Environmental Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Sichuan, 621010, China
| | - Youhong Tang
- Institute for NanoScale Science and Technology, College of Science and Engineering, Flinders University, South Australia, 5042, Australia
| | - Laibao Liu
- State Key Laboratory of Environmental Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Sichuan, 621010, China
| | - Xiong Lu
- Key Lab of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Sichuan, 610031, China
| | - Kun Yang
- Institute for Advanced Study, Chengdu University, Sichuan, 610106, China
| | - Qingyuan Wang
- Institute for Advanced Study, Chengdu University, Sichuan, 610106, China
| | - Wei Feng
- Institute for Advanced Study, Chengdu University, Sichuan, 610106, China
| | - Quazi T H Shubhra
- Stomatology Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangdong, 510140, China
| | - Zhenming Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuang, 610041, China
| | - Hongping Zhang
- State Key Laboratory of Environmental Friendly Energy Materials, School of Materials Science and Engineering, Southwest University of Science and Technology, Sichuan, 621010, China.,Institute for Advanced Study, Chengdu University, Sichuan, 610106, China
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35
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Mi Y, Zhao Y, Chen J, Li X, Yang Y, Gao F. Ternary heterostructures of 1D/2D/2D CuCo 2S 4/CuS/Ti 3C 2 MXene: Boosted amperometric sensing for chlorpyrifos. JOURNAL OF HAZARDOUS MATERIALS 2022; 438:129419. [PMID: 35780734 DOI: 10.1016/j.jhazmat.2022.129419] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/13/2022] [Accepted: 06/16/2022] [Indexed: 06/15/2023]
Abstract
Multicomponent heterogeneous Ti3C2 transition metal carbide (MXene)-based materials are receiving extensive research attention due to their interesting synergistic interactions and catalytic properties. However, the morphology-controllable synthesis of heterostructures as structural stabilizers for Ti3C2 MXene remains a challenge owing the complicated synthesis procedure. In this work, a kind of ternary heterogeneous nanomaterials CuCo2S4/CuS/Ti3C2 MXene with a nanorod/nanoplate/nanosheet hybrid architecture is constructed through a one-step low-temperature solvothermal method. The well-designed ternary one-dimensional (1D)/two-dimensional (2D)/2D CuCo2S4/CuS/Ti3C2 MXene heteromaterials exhibit synergistic improvements in substrate-catalyzed reactions for electrochemical acetylcholinesterase (AChE) biosensor. The Michaelis-Menten constant for the Nafion/AChE/CuCo2S4/CuS/Ti3C2 MXene/GCE biosensor is 228 μM, which is smaller than ones reported in previous literatures, indicating a higher affinity of the fabricated enzyme biosensor to acetylthiocholine chloride. The biosensor exhibits a well linear relationship with chlorpyrifos concentration ranging from 2.852 × 10-12 M to 2.852 × 10-6 M. The multicomponent 1D/2D/2D CuCo2S4/CuS/Ti3C2 MXene heteromaterial may shine a light in more electrochemical applications.
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Affiliation(s)
- Yuping Mi
- Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Yisong Zhao
- Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Jianmin Chen
- Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Xiaolu Li
- Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Yunxia Yang
- Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Faming Gao
- Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China.
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Li Z, Lin H, Wang L, Cao L, Sui J, Wang K. Optical sensing techniques for rapid detection of agrochemicals: Strategies, challenges, and perspectives. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156515. [PMID: 35667437 DOI: 10.1016/j.scitotenv.2022.156515] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/24/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
In recent years, the irrational use of agrochemicals has caused great harm to the environment and public health. Along with the rapid development of optical technology and nanotechnology, the research of optical sensing methods in agrochemical detection has been developed rapidly owing to its advantages of simplicity, fast response, and cost-effectiveness. In this review, the strategies of employing optical systems based on colorimetric sensor, fluorescence, chemiluminescence, terahertz spectroscopy, surface plasmon resonance, and surface-enhanced Raman spectroscopy for sensing agrochemicals were summarized. In addition, the challenges in the practical application of optical sensing technologies for agrochemical detection were discussed in-depth, and potential future trends and prospects of these techniques were addressed. A variety of nanomaterials have been developed for enhancing the sensitivity of optical sensing systems. The optical properties of nanomaterials are governed by their size, shape, and chemical structure. Although each optical sensing system holds its advantages, there are still many challenges that need to be overcome in practical applications. With the continuous developments in novel functional nanomaterials, sample preparation methods, and spectral processing algorithms, optical sensors are expected to have powerful potential for rapid testing of agrochemicals in the environment and foods.
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Affiliation(s)
- Zhuoran Li
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Hong Lin
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Lei Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Limin Cao
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Jianxin Sui
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China
| | - Kaiqiang Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China; Fujian Provincial Key Laboratory of Breeding Lateolabrax Japonicus, Ningde, Fujian 355299, China.
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Biomedical Applications of an Ultra-Sensitive Surface Plasmon Resonance Biosensor Based on Smart MXene Quantum Dots (SMQDs). BIOSENSORS 2022; 12:bios12090743. [PMID: 36140128 PMCID: PMC9496527 DOI: 10.3390/bios12090743] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/28/2022] [Accepted: 09/07/2022] [Indexed: 11/17/2022]
Abstract
In today’s world, the use of biosensors occupies a special place in a variety of fields such as agriculture and industry. New biosensor technologies can identify biological compounds accurately and quickly. One of these technologies is the phenomenon of surface plasmon resonance (SPR) in the development of biosensors based on their optical properties, which allow for very sensitive and specific measurements of biomolecules without time delay. Therefore, various nanomaterials have been introduced for the development of SPR biosensors to achieve a high degree of selectivity and sensitivity. The diagnosis of deadly diseases such as cancer depends on the use of nanotechnology. Smart MXene quantum dots (SMQDs), a new class of nanomaterials that are developing at a rapid pace, are perfect for the development of SPR biosensors due to their many advantageous properties. Moreover, SMQDs are two-dimensional (2D) inorganic segments with a limited number of atomic layers that exhibit excellent properties such as high conductivity, plasmonic, and optical properties. Therefore, SMQDs, with their unique properties, are promising contenders for biomedicine, including cancer diagnosis/treatment, biological sensing/imaging, antigen detection, etc. In this review, SPR biosensors based on SMQDs applied in biomedical applications are discussed. To achieve this goal, an introduction to SPR, SPR biosensors, and SMQDs (including their structure, surface functional groups, synthesis, and properties) is given first; then, the fabrication of hybrid nanoparticles (NPs) based on SMQDs and the biomedical applications of SMQDs are discussed. In the next step, SPR biosensors based on SMQDs and advanced 2D SMQDs-based nanobiosensors as ultrasensitive detection tools are presented. This review proposes the use of SMQDs for the improvement of SPR biosensors with high selectivity and sensitivity for biomedical applications.
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Ali MR, Bacchu MS, Al-Mamun MR, Hossain MI, Khaleque A, Khatun A, Ridoy DD, Aly MAS, Khan MZH. Recent Advanced in MXene Research toward Biosensor Development. Crit Rev Anal Chem 2022:1-18. [PMID: 36068703 DOI: 10.1080/10408347.2022.2115286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
MXene is a rapidly emerging group of two-dimensional (2D) multifunctional nanomaterials, drawing huge attention from researchers of a broad scientific field. Reporting the synthesis of MXene was the following breakthrough in 2D materials following the discovery of graphene. MXene is considered the most recent developments of materials, including transition metal carbonitrides, nitrides, and carbides synthesized by etching or mechanical-based exfoliation of selective MAX phases. MXene has a plethora of prodigious properties such as unique interlayer spacing, high ion and electron transport, large surface area, excellent thermal and electrical conductivity, exceptional volumetric capacitance, thermal shock, and oxidation resistance, easily machinable and inherently hydrophilic, and biocompatibility. Owing to the abundance of tailorable surface function groups, these properties can be further enhanced by surface functionalization with covalent and non-covalent modifications via numerous surface functionalization methods. Therefore, MXene finds their way to a plethora of applications in numerous fields including catalysis, membrane separation, energy storage, sensing, and biomedicine. Here, the focus is on reviewing the structure, synthesis techniques, and functionalization methods of MXene. Furthermore, MXene-based detection platforms in different sensing applications are survived. Great attention is given to reviewing the applications of MXene in the detection of biomolecules, pathogenic bacteria and viruses, cancer biomarkers food contaminants and mycotoxins, and hazardous pollutants. Lastly, the future perspective of MXene-based biosensors as a next-generation diagnostics tool is discussed. Crucial visions are introduced for materials science and sensing communities to better route while investigating the potential of MXene for creating innovative detection mechanisms.
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Affiliation(s)
- Md Romzan Ali
- Department of Chemical Engineering, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology, Jashore, Bangladesh
| | - Md Sadek Bacchu
- Department of Chemical Engineering, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology, Jashore, Bangladesh
| | - Md Rashid Al-Mamun
- Department of Chemical Engineering, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology, Jashore, Bangladesh
| | - Md Ikram Hossain
- Department of Chemical Engineering, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology, Jashore, Bangladesh
| | - Abdul Khaleque
- Department of Chemical Engineering, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology, Jashore, Bangladesh
| | - Anowara Khatun
- Department of Chemical Engineering, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology, Jashore, Bangladesh
| | - Dipto Debnath Ridoy
- Department of Chemical Engineering, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology, Jashore, Bangladesh
| | - Mohamed Aly Saad Aly
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, South Korea
| | - Md Zaved Hossain Khan
- Department of Chemical Engineering, Jashore University of Science and Technology, Jashore, Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and technology, Jashore, Bangladesh
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Xing T, Qian Q, Ye H, Wang Z, Jin Y, Zhang N, Wang M, Zhou Y, Gao X, Wu L. Gold nanoparticles with helical surface structure transformed from chiral molecules for SERS-active substrates preparation. Biosens Bioelectron 2022; 212:114430. [DOI: 10.1016/j.bios.2022.114430] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 05/23/2022] [Accepted: 05/25/2022] [Indexed: 01/29/2023]
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Singhal J, Verma S, Kumar S. The physio-chemical properties and applications of 2D nanomaterials in agricultural and environmental sustainability. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 837:155669. [PMID: 35523341 DOI: 10.1016/j.scitotenv.2022.155669] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 04/29/2022] [Accepted: 04/29/2022] [Indexed: 05/27/2023]
Abstract
Global hunger and nutritional deficiency demand the advancement of existing and conventional approaches to food production. The application of nanoenabled strategies in agriculture has opened up new avenues for enhancing crop yield and productivity. Recently, two-dimensional (2D) nanomaterials (NMs) have manifested new possibilities for increasing food production and nutrition. Graphene nanosheets, the 2D form of graphene has been exemplary in enhancing the loading capacity of agro-active ingredients, their target-specific delivery, bioavailability, and controlled release with slow degradation, resulting in the increased shelf-life/active time of the agro-active components. Also, the development of novel formulations/composites of MXenes and Transition Metal Dichalcogenides (TMDs) can foster plant growth, metabolism, crop production, protection and improvement of soil quality. Additionally, the 2D NM-based biosensors can monitor the nutrient levels and other parameters affecting agronomical traits in plants. This review provides an insight into the details of 2D NM synthesis and functionalization methods. Notably, the review highlights the broad-range of 2D NM applications and their suitability in the development of nanotechnology-based agriformulations. The 2D NM-based derivatives have shown immense potential in enhancing the pedologic parameters, crop productivity, pest-protection and nutritional value. Thus, assisting in achieving food and environmental sustainability goals.
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Affiliation(s)
- Jaya Singhal
- Department of Health Research-Multi-Disciplinary Research Unit, King George's Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Saurabh Verma
- Department of Health Research-Multi-Disciplinary Research Unit, King George's Medical University, Lucknow, Uttar Pradesh 226003, India.
| | - Smita Kumar
- Department of Biochemistry, King George's Medical University, Lucknow, Uttar Pradesh 226003, India.
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Lin X, Li C, Meng X, Yu W, Duan N, Wang Z, Wu S. CRISPR-Cas12a-mediated luminescence resonance energy transfer aptasensing platform for deoxynivalenol using gold nanoparticle-decorated Ti 3C 2T x MXene as the enhanced quencher. JOURNAL OF HAZARDOUS MATERIALS 2022; 433:128750. [PMID: 35364533 DOI: 10.1016/j.jhazmat.2022.128750] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/08/2022] [Accepted: 03/19/2022] [Indexed: 05/07/2023]
Abstract
Deoxynivalenol (DON) is a typical mycotoxin in cereals and poses tremendous threats to the ecological environment and public health. Therefore, exploiting sensitive and robust analytical methods for DON is particularly important. Here, we fabricated a CRISPR-Cas12a-mediated luminescence resonance energy transfer (LRET) aptasensor to detect DON by using single-stranded DNA modified upconversion nanoparticles (ssDNA-UCNPs) as anti-interference luminescence labels and gold nanoparticle-decorated Ti3C2Tx MXene nanosheets (MXene-Au) as enhanced quenchers. The DON aptamer can activate the trans-cleavage activity of Cas12a to indiscriminately cut nearby ssDNA-UCNPs into small fragments, which prevents ssDNA-UCNPs from adsorbing onto MXene-Au, and the upconversion luminescence (UCL) remains. Upon the binding of the aptamer with DON, the trans-cleavage activity of Cas12a was suppressed, and the ssDNA-UCNPs were not cleaved and easily adsorbed onto MXene-Au, which caused UCL quenching. Under optimized conditions, the limit of detection was determined to be 0.64 ng/mL with a linear range of 1 - 500 ng/mL. In addition, the sensor was successfully applied to detect DON in corn flour and Tai Lake water with recoveries of 96.2 - 105% and 95.2 - 104%, respectively. This platform achieves a sensitive and specific analysis of DON and greatly broadens the detection range of CRISPR-Cas sensors for non-nucleic acids hazards in the environment and food.
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Affiliation(s)
- Xianfeng Lin
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Changxin Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xiangyi Meng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wenyan Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Nuo Duan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Shijia Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China.
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Babar ZUD, Della Ventura B, Velotta R, Iannotti V. Advances and emerging challenges in MXenes and their nanocomposites for biosensing applications. RSC Adv 2022; 12:19590-19610. [PMID: 35865615 PMCID: PMC9258029 DOI: 10.1039/d2ra02985e] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/21/2022] [Indexed: 12/14/2022] Open
Abstract
Two-dimensional materials have unique properties and their better functionality has created new paradigms in the field of sensing. Over the past decade, a new family of 2D materials known as MXenes has emerged as a promising material for numerous applications, including biosensing. Their metallic conductivity, rich surface chemistry, hydrophilicity, good biocompatibility, and high anchoring capacity for biomaterials make them an attractive candidate to detect a variety of analytes. Despite such notable properties, there are certain limitations associated with them. This review aims to present a detailed survey of MXene's synthesis; in particular, their superiority in the field of biosensing as compared to other 2D materials is addressed. Their low oxidative stability is still an open challenge, and recent investigations on MXene's oxidation are summarized. The hexagonal stacking network of MXenes acts as a distinctive matrix to load nanoparticles, and the embedded nanoparticles can bind an excess number of biomolecules (e.g., antibodies) thereby improving biosensor performance. We will also discuss the synthesis and corresponding performance of MXenes nanocomposites with noble metal nanoparticles and magnetic nanoparticles. Furthermore, Nb and Ti2C-based MXenes, and Ti3C2-MXene sandwich immunoassays are also reviewed in view of their importance. Different aspects and challenges associated with MXenes (from their synthesis to final applications) and the future perspectives described give new directions to fabricate novel biosensors.
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Affiliation(s)
- Zaheer Ud Din Babar
- Scuola Superiore Meridionale (SSM), University of Naples Federico II Largo S. Marcellino, 10 80138 Italy
- Department of Physics "E. Pancini", University of Naples Federico II Via Cintia 26 80126 Naples Italy
| | - Bartolomeo Della Ventura
- Department of Physics "E. Pancini", University of Naples Federico II Via Cintia 26 80126 Naples Italy
| | - Raffaele Velotta
- Department of Physics "E. Pancini", University of Naples Federico II Via Cintia 26 80126 Naples Italy
| | - Vincenzo Iannotti
- Department of Physics "E. Pancini", University of Naples Federico II Via Cintia 26 80126 Naples Italy
- CNR-SPIN (Institute for Superconductors, Oxides and Other Innovative Materials and Devices) Piazzale V. Tecchio 80 80125 Naples Italy
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Bankole OE, Verma DK, Chávez González ML, Ceferino JG, Sandoval-Cortés J, Aguilar CN. Recent trends and technical advancements in biosensors and their emerging applications in food and bioscience. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Vasyukova IA, Zakharova OV, Kuznetsov DV, Gusev AA. Synthesis, Toxicity Assessment, Environmental and Biomedical Applications of MXenes: A Review. NANOMATERIALS 2022; 12:nano12111797. [PMID: 35683652 PMCID: PMC9182201 DOI: 10.3390/nano12111797] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/23/2022] [Accepted: 05/23/2022] [Indexed: 12/15/2022]
Abstract
MXenes are a family of two-dimensional (2D) composite materials based on transition metal carbides, nitrides and carbonitrides that have been attracting attention since 2011. Combination of electrical and mechanical properties with hydrophilicity makes them promising materials for biomedical applications. This review briefly discusses methods for the synthesis of MXenes, their potential applications in medicine, ranging from sensors and antibacterial agents to targeted drug delivery, cancer photo/chemotherapy, tissue engineering, bioimaging, and environmental applications such as sensors and adsorbents. We focus on in vitro and in vivo toxicity and possible mechanisms. We discuss the toxicity analogies of MXenes and other 2D materials such as graphene, mentioning the greater biocompatibility of MXenes. We identify existing barriers that hinder the formation of objective knowledge about the toxicity of MXenes. The most important of these barriers are the differences in the methods of synthesis of MXenes, their composition and structure, including the level of oxidation, the number of layers and flake size; functionalization, test concentrations, duration of exposure, and individual characteristics of biological test objects Finally, we discuss key areas for further research that need to involve new methods of nanotoxicology, including predictive computational methods. Such studies will bring closer the prospect of widespread industrial production and safe use of MXene-based products.
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Affiliation(s)
- Inna A. Vasyukova
- Technopark “Derzhavinsky”, Derzhavin Tambov State University, 392000 Tambov, Russia; (I.A.V.); (O.V.Z.)
| | - Olga V. Zakharova
- Technopark “Derzhavinsky”, Derzhavin Tambov State University, 392000 Tambov, Russia; (I.A.V.); (O.V.Z.)
- Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology “MISIS”, 119991 Moscow, Russia;
- Engineering Center, Plekhanov Russian University of Economics, 117997 Moscow, Russia
| | - Denis V. Kuznetsov
- Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology “MISIS”, 119991 Moscow, Russia;
| | - Alexander A. Gusev
- Technopark “Derzhavinsky”, Derzhavin Tambov State University, 392000 Tambov, Russia; (I.A.V.); (O.V.Z.)
- Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology “MISIS”, 119991 Moscow, Russia;
- Engineering Center, Plekhanov Russian University of Economics, 117997 Moscow, Russia
- Correspondence: ; Tel.: +7-910-756-4546
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Sohrabi H, Sani PS, Orooji Y, Majidi MR, Yoon Y, Khataee A. MOF-based sensor platforms for rapid detection of pesticides to maintain food quality and safety. Food Chem Toxicol 2022; 165:113176. [DOI: 10.1016/j.fct.2022.113176] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/12/2022] [Accepted: 05/21/2022] [Indexed: 12/15/2022]
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Huang H, Dong C, Feng W, Wang Y, Huang B, Chen Y. Biomedical engineering of two-dimensional MXenes. Adv Drug Deliv Rev 2022; 184:114178. [PMID: 35231544 DOI: 10.1016/j.addr.2022.114178] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/23/2022] [Accepted: 02/23/2022] [Indexed: 02/08/2023]
Abstract
The emergence of two-dimensional (2D) transition metal carbides, carbonitrides and nitrides, referred to MXenes, with a general chemical formula of Mn+1XnTx have aroused considerable interest and shown remarkable potential applications in diverse fields. The unique ultrathin lamellar structure accompanied with charming electronic, optical, magnetic, mechanical and biological properties make MXenes as a kind of promising alternative biomaterials for versatile biomedical applications, as well as uncovering many new fundamental scientific discoveries. Herein, the current state-of-the-art advances of MXenes-related biomaterials are systematically summarized in this comprehensive review, especially focusing on the synthetic methodologies, design and surface engineering strategies, unique properties, biological effects, and particularly the property-activity-effect relationship of MXenes at the nano-bio interface. Furthermore, the elaborated MXenes for varied biomedical applications, such as biosensors and biodevices, antibacteria, bioimaging, therapeutics, theranostics, tissue engineering and regenerative medicine, are illustrated in detail. Finally, we discuss the current challenges and opportunities for future advancement of MXene-based biomaterials in-depth on the basis of the present situation, aiming to facilitate their early realization of practical biomedical applications.
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Abstract
MXene, an advanced family of 2D ceramic material resembling graphene, has had a considerable impact on the field of research because of its unique physiochemical properties. MXene has been synthesized by the selective etching of MAX via different techniques. However, with the passage of time, due to the need for further progress and improvement in MXene materials, ideas have turned toward composite fabrication, which has aided boosting the MXene composites regarding their properties and applications in various areas. Many review papers are published on MXene and their composites with polymer, carbon nanotube, graphene, other carbon, metal oxides and sulfides, etc., except metal composite, and such papers discuss these composites thoroughly. In this review article, we illustrate and explain the development of MXene-based metal composites. Furthermore, we highlight the synthesis techniques utilized for the preparation of MXene composites with metal. We briefly discuss the enhancement of properties of the composites and a wide range of applications as an electrode substance for energy storage devices, electrochemical cells, supercapacitors, and catalytic and anti-corrosive performance. Major obstacles in MXene and metal composite are mentioned and provide future recommendations. Together, they can overcome problems and enable MXene and composites on commercial-scale production.
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Khoshsafar H, Karimian N, Nguyen TA, Fakhri H, Khanmohammadi A, Hajian A, Bagheri H. Enzymeless voltammetric sensor for simultaneous determination of parathion and paraoxon based on Nd-based metal-organic framework. CHEMOSPHERE 2022; 292:133440. [PMID: 34973245 DOI: 10.1016/j.chemosphere.2021.133440] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/05/2021] [Accepted: 12/23/2021] [Indexed: 06/14/2023]
Abstract
The aim of this work is to fabricate a sensitive and novel enzymeless electrochemical sensor for the simultaneous determination of parathion and paraoxon using the Nd-UiO-66@MWCNT nanocomposite. For this purpose, Neodymium (Nd) was introduced into a Universitetet i Oslo (UiO-66) structure to construct Nd-UiO-66 and then, adding multi-walled carbon nanotubes to the Nd-UiO-66 to increase the electrocatalytic activity and surface area of the obtained composite. The Nd-UiO-66@MWCNT has numerous advantages like excellent conductivity, tunable texture, and large surface area and can be used as a distinctive structure for the construction of modified glassy carbon electrode (GCE) to enhance the charge-transfer and the efficiency of electrochemical sensors. This modified electrode showed sensitive and selective determination of paraoxon and parathion over the linear ranges of 0.7-100 and 1-120 nM, with detection limits of 0.04 and 0.07 nM, respectively. The proposed Nd-UiO-66@MWCNT/GCE sensor in this study can be applied in environmental and toxicological laboratories and field tests to detect parathion and paraoxon levels.
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Affiliation(s)
- Hosein Khoshsafar
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Nashmil Karimian
- Research and Development Department, Farin Behbood Tashkhis LTD, Tehran, Iran
| | - Tien Anh Nguyen
- Department of Physics, Le Quy Don Technical University, Ha Noi, Viet Nam
| | - Hanieh Fakhri
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Akbar Khanmohammadi
- Research and Development Department, Farin Behbood Tashkhis LTD, Tehran, Iran
| | - Ali Hajian
- Institute of Sensor and Actuator Systems, TU Wien, Gusshausstrasse 27-29, 1040, Vienna, Austria
| | - Hasan Bagheri
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Rajaji U, Ganesh PS, Kim SY, Govindasamy M, Alshgari RA, Liu TY. MoS 2 Sphere/2D S-Ti 3C 2 MXene Nanocatalysts on Laser-Induced Graphene Electrodes for Hazardous Aristolochic Acid and Roxarsone Electrochemical Detection. ACS APPLIED NANO MATERIALS 2022; 5:3252-3264. [DOI: 10.1021/acsanm.1c03680] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Affiliation(s)
- Umamaheswari Rajaji
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 243303, Taiwan
| | - Pattan-Siddappa Ganesh
- Interaction Laboratory, Future Convergence Engineering, Advanced Technology Research Center, Korea University of Technology and Education, Cheonan-si, Chungcheongnam-do 31253, Republic of Korea
| | - Sang-Youn Kim
- Interaction Laboratory, Future Convergence Engineering, Advanced Technology Research Center, Korea University of Technology and Education, Cheonan-si, Chungcheongnam-do 31253, Republic of Korea
| | - Mani Govindasamy
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 243303, Taiwan
| | | | - Ting-Yu Liu
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 243303, Taiwan
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MXene-AuNP-Based Electrochemical Aptasensor for Ultra-Sensitive Detection of Chloramphenicol in Honey. Molecules 2022; 27:molecules27061871. [PMID: 35335235 PMCID: PMC8953677 DOI: 10.3390/molecules27061871] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/06/2022] [Accepted: 03/08/2022] [Indexed: 02/04/2023] Open
Abstract
A simple and label-free electrochemical aptasensor was developed for ultra-sensitive determination of chloramphenicol (CAP) based on a 2D transition of metal carbides (MXene) loaded with gold nanoparticles (AuNPs). The embedded AuNPs not only inhibit the aggregation of MXene sheets, but also improve the quantity of active sites and electronic conductivity. The aptamers (Apts) were able to immobilize on the MXene–AuNP modified electrode surface through Au–S interaction. Upon specifically binding with CAP with high affinity, the CAP–Apt complexes produced low conductivity on the aptasensor surface, leading to a decreased electrochemical signal. The resulting current change was quantitatively correlated with CAP concentration. Under optimized experimental conditions, the constructed aptasensor exhibited a good linear relationship within a wide range of 0.0001–10 nM and with a low detection limit of 0.03 pM for CAP. Moreover, the developed aptasensor has been applied to the determination of CAP concentration in honey samples with satisfactory results.
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