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Chen Y, Bin Q, Liu H, Xie Y, Wang S, Lu J, Ou W, Zhang M, Wang L, Yu K. A novel biosensing strategy on the dynamic and on-site detection of Vibrio coralliilyticus eDNA for coral health warnings. Bioelectrochemistry 2024; 158:108697. [PMID: 38554560 DOI: 10.1016/j.bioelechem.2024.108697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 03/20/2024] [Accepted: 03/27/2024] [Indexed: 04/01/2024]
Abstract
Heat stress and coral diseases are the predominant factors causing the degradation of coral reef ecosystems. Over recent years, Vibrio coralliilyticus was identified as a temperature-dependent pathogen causing tissue lysis in Pocillopora damicornis and one of the primary pathogens causing bleaching and mortality in other corals. Yet current detection techniques for V. coralliilyticus rely primarily on qPCR and ddPCR, which cannot meet the requirements for non-invasive and real-time detection. Herein, we developed an effective electrochemical biosensor modified by an Au-MoS2/rGO (AMG) nanocomposites and a specific capture probe to dynamically detect V. coralliilyticus environment DNA (eDNA) in aquarium experiments, with a lower limit of detection (0.28 fM) for synthetic DNA and a lower limit of quantification (9.8 fg/µL, ∼0.86 copies/µL) for genomic DNA. Its reliability and accuracy were verified by comparison with the ddPCR method (P > 0.05). Notably, coral tissue started to lyse at only 29 °C when the concentration of V. coralliilyticus increased abruptly to 880 copies/µL, indicating the biosensor could reflect the types of pathogen and health risks of corals under heat stress. Overall, the novel and reliable electrochemical biosensing technology provides an efficient strategy for the on-site monitoring and early warning of coral health in the context of global warming.
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Affiliation(s)
- Yingzhan Chen
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China; Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning 530004, China
| | - Qi Bin
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China; Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning 530004, China
| | - Hongjie Liu
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China
| | - Yuanyu Xie
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China
| | - Shaopeng Wang
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China
| | - Jie Lu
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China
| | - Wenchao Ou
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China; Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning 530004, China
| | - Man Zhang
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China; Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning 530004, China.
| | - Liwei Wang
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China; Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning 530004, China.
| | - Kefu Yu
- School of Resources, Environment and Materials, School of Marine Sciences, School of Chemistry and Chemical Engineering, School of Life Science and Technology, Guangxi University, Nanning 530004, China; Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning 530004, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
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2
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Gan LP, Li J, Shi F, Zou Z, Li KJ, Shi ZZ, Wu XS, Li YP, Sun W, Lu ZS, Hu T, Dai L, Li CM. Co 4+ in porous ZIF-67-derives intercalating-bridging adsorption of 2-reaction sites for simultaneous 2-electron transfer toward sensitive detection of uric acid. Anal Chim Acta 2024; 1308:342614. [PMID: 38740455 DOI: 10.1016/j.aca.2024.342614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 03/11/2024] [Accepted: 04/13/2024] [Indexed: 05/16/2024]
Abstract
Metal-organic frameworks (MOFs) have been used to detect uric acid (UA), but still very challenging to achieve a low detection limit due to the low inferior conductivity of MOFs. Herein, three different N-doped ZIF-67-derived carbons were synthesized for the first time by one-step co-pyrolysis of 2-methylimidazole with cobalt nitrate (CN), cobalt acetate (CA) or cobalt chloride (CC) toward UA sensing. Afterwards, the cobalt nitrate-derived Co particle (Co/CN) supported by N-doped ZIF-67-derived carbon displays extremely low detection limit and high sensitivity for UA, outperformed all reported MOFs-based UA sensors. More interestingly, it was discovered that the high valence Co4+ within the Co/CN sample produced in high-acidic environment can intercalate in the frame for a bridge adsorption between two reaction sites, which boosted simultaneous 2-electron transfer, while Co3+ only allows an end-adsorption structure for one-electron transfer being the rate determining step. Furthermore, the bridge adsorption mode of UA on Co4+ -based catalyst was also verified by theoretical DFT calculations and XPS experiment. This work holds great promise for a selective and sensitive UA sensor for practical bioscience and clinic diagnostic applications while shedding lights in fundamental research for innovative designs and developments of high-sensitive electrochemical sensors.
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Affiliation(s)
- Li Peng Gan
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, China; Institute for Clean Energy and Advanced Materials, School of Materials & Energy, Southwest University, China; Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing, 400715, China; Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Juan Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, China; Institute for Clean Energy and Advanced Materials, School of Materials & Energy, Southwest University, China; Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing, 400715, China; Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Fan Shi
- Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Zhuo Zou
- Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China; Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Ke Jiang Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, China; Institute for Clean Energy and Advanced Materials, School of Materials & Energy, Southwest University, China; Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing, 400715, China
| | - Zhuan Zhuan Shi
- Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Xiao Shuai Wu
- Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Yun Peng Li
- Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Wei Sun
- College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, China
| | - Zhi Song Lu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, China; Institute for Clean Energy and Advanced Materials, School of Materials & Energy, Southwest University, China; Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing, 400715, China.
| | - Tao Hu
- Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China.
| | - Liming Dai
- Australian Carbon Materials Centre (A-CMC), School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia.
| | - Chang Ming Li
- Institute of Materials Science & Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China.
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Tang C, Lv CL, Chen P, Wang AJ, Feng JJ, Yun Cheang T, Xia H. Dendritic quinary PtRhMoCoFe high-entropy alloy as a robust immunosensing nanoplatform for ultrasensitive detection of biomarker. Bioelectrochemistry 2024; 157:108639. [PMID: 38199185 DOI: 10.1016/j.bioelechem.2024.108639] [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: 10/23/2023] [Revised: 12/27/2023] [Accepted: 01/02/2024] [Indexed: 01/12/2024]
Abstract
Recently, high-entropy alloys have superior physicochemical properties as compared to conventional alloys for their glamorous "cocktail effect". Nevertheless, they are scarcely applied to electrochemical immunoassays until now. Herein, uniform PtRhMoCoFe high-entropy alloyed nanodendrites (HEANDs) were synthesized by a wet-chemical co-reduction method, where glucose and oleylamine behaved as the co-reducing agents. Then, a series of characterizations were conducted to illustrate the synergistic effect among multiple metals and fascinating structural characteristics of PtRhMoCoFe HEANDs. The obtained high-entropy alloy was adopted to build a electrochemical label-free biosensor for ultrasensitive bioassay of biomarker cTnI. In the optimized analytical system, the resultant sensor exhibited a dynamic linear range of 0.0001-200 ng mL-1 and a low detection limit of 0.0095 pg mL-1 (S/N = 3). Eventually, this sensing platform was further explored in serum samples with satisfied recovery (102.0 %). This research renders some constructive insights for synthesis of high-entropy alloys and their expanded applications in bioassays and bio-devices.
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Affiliation(s)
- Chang Tang
- College of Chemistry and Materials Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Chun-Lin Lv
- College of Chemistry and Materials Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Pengfei Chen
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Ai-Jun Wang
- College of Chemistry and Materials Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Jiu-Ju Feng
- College of Chemistry and Materials Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
| | - Tuck Yun Cheang
- Department of Breast Care Centre, the First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510080, China.
| | - Haoming Xia
- Department of Breast Surgery, Guangzhou Medical University Affiliated Cancer Hospital, No. 78 Hengzhigang Road, Guangzhou 510095, China.
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Jiang J, Wang X, Bao Y, Shen F, Wang G, Li K, Lin Y. Harnessing Graphdiyne for Selective Cu 2+ Detection: A Promising Tool for Parkinson's Disease Diagnostics and Pathogenesis. ACS Sens 2024; 9:2317-2324. [PMID: 38752502 DOI: 10.1021/acssensors.4c00633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Cu2+ accelerates the viral-like propagation of α-synuclein fibrils and plays a key role in the pathogenesis of Parkinson's disease (PD). Therefore, the accurate detection of Cu2+ is essential for the diagnosis of PD and other neurological diseases. The Cu2+ detection process is impeded by substances that have similar electrochemical properties. In this study, graphdiyne (GDY), a new kind of carbon allotrope with strong electron-donating ability, was utilized for the highly selective detection of Cu2+ by taking advantage of its outstanding adsorption capacity for Cu2+. Density functional theory (DFT) calculations show that Cu atoms are adsorbed in the cavity of GDY, and the absorption energy between Cu and C atoms is higher than that of graphene (GR), indicating that the cavity of GDY is favorable for the adsorption of Cu atoms and electrochemical sensing. The GDY-based electrochemical sensor can effectively avoid the interference of amino acids, metal ions and neurotransmitters and has a high sensitivity of 9.77 μA·μM-1·cm-2, with a minimum detectable concentration of 200 nM. During the investigating pathogenesis and therapeutic process of PD with α-synuclein as the diagnostic standard, the concentration of Cu2+ in cells before and after L-DOPA and GSH treatments were examined, and it was found that Cu2+ exhibits high potential as a biomarker for PD. This study not only harnesses the favorable adsorption of the GDY and Cu2+ to improve the specificity of ion detection but also provide clues for deeper understanding of the role of Cu2+ in neurobiology and neurological diseases.
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Affiliation(s)
- Jing Jiang
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Xu Wang
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Yongqi Bao
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Fangxu Shen
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Guo Wang
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Kai Li
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Yuqing Lin
- Department of Chemistry, Capital Normal University, Beijing 100048, China
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5
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Shao Z, Ding L, Zhu W, Fan C, Di K, Yuan R, Wang K. Highly selective detection and removal of mercury ions in the aquatic environment based on magnetic ZIF-71 multifunctional composites with sufficient chlorine functional groups. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 921:171085. [PMID: 38387584 DOI: 10.1016/j.scitotenv.2024.171085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 02/24/2024]
Abstract
The development of both detection and removal technologies for heavy metal ions is of great importance. Most of the existing adsorbents that contain oxygen, nitrogen or sulfur functional groups can remove heavy metals, but achieving both selective detection and removal of a single metal ion is difficult because they bind to a wide range of heavy metal ions. Herein, we selected zeolite imidazolium hydrochloride framework-71 (ZIF-71) with sufficient chlorine functional groups to fabricate magnetic ZIF-71 multifunctional composites (M-ZIF-71). M-ZIF-71 had a large specific surface area, excellent water stability, and good magnetic properties, which made M-ZIF-71 conducive to the separation and recovery of adsorbents and the assembly of electrodes. M-ZIF-71 exhibited high selectivity, wide linear range (1-500 μg/L), and low detection limit (0.32 μg/L) for electrochemical detection of mercury ions (Hg2+). Meanwhile, M-ZIF-71 demonstrated rapid Hg2+ adsorption with a high capacity of 571.2 mg/g and excellent recyclability. The high selectivity for Hg2+ was attributed to the powerful affinity of highly electronegative chlorine and Hg2+. Moreover, XPS spectra demonstrated the interaction between chlorine and Hg2+. This work provides a new inspiration for applications in the targeted monitoring and removal of heavy metal pollution.
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Affiliation(s)
- Zhiying Shao
- Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Lijun Ding
- Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Weiran Zhu
- Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Cunhao Fan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Kezuo Di
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Ruishuang Yuan
- Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Kun Wang
- Key Laboratory of Modern Agricultural Equipment and Technology (Jiangsu University), Ministry of Education, School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, PR China; School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China; Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China.
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6
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Wang J, Zhang L, Yan G, Cheng L, Zhang F, Wu J, Lei Y, An Q, Qi H, Zhang C, Gao Q. Modified exfoliated graphene functionalized with carboxylic acid-group and thionine on a screen-printed carbon electrode as a platform for an electrochemical enzyme immunosensor. Mikrochim Acta 2024; 191:143. [PMID: 38368295 DOI: 10.1007/s00604-024-06212-8] [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: 10/31/2023] [Accepted: 01/11/2024] [Indexed: 02/19/2024]
Abstract
An enzyme immunoassay was developed based on the coulometric measurement of immunoglobulin M (IgM) against Hantaan viruses (HTNV) by using virus-like particles (VLPs) as recognition molecules. The surface functionalization of screen-printed carbon electrodes (SPCEs) was achieved through paste-exfoliated graphene that was modified with a COOH group and a thionine mediator through supramolecular-covalent scaffolds, on SPCEs by using the binder contained in the ink. After the covalent immobilization of the antibody, the sensor was used for the sandwich enzyme immunoassay of IgM against HTNV. By using HTNV VLPs as the second recognization molecules, the resulting sensor efficiently monitored the reaction of IgM against HTNV and anti-IgM antibody with high specificity. By attaching HTNV nucleocapsid protein antibody conjugate with horseradish peroxidase (HRP) onto VLPs, the signal response of the assay was derived from the coulometric measurement of H2O2 reduction mediated by thionine on the electrode surface after the application of a potential (- 0.2 V vs. Ag/AgCl). The ratio of charges measured before or after H2O2 addition was used to quantify IgM because these charges could be used as background charges or total charges, respectively. The ratio exhibited good agreement with IgM concentration within a range 0.1 to 1000 pg mL-1, and a detection limit of 0.06 pg mL-1 was obtained. The assay demonstrated high sensitivity and specificity toward HTNV-specific IgM in serum.
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Affiliation(s)
- Jing Wang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Liang Zhang
- Department of Microbiology, Faculty of Preclinical Medicine, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Guanrong Yan
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Linfeng Cheng
- Department of Microbiology, Faculty of Preclinical Medicine, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Fanglin Zhang
- Department of Microbiology, Faculty of Preclinical Medicine, Air Force Medical University, Xi'an, 710032, Shaanxi, China.
| | - Jialin Wu
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Yingfeng Lei
- Department of Microbiology, Faculty of Preclinical Medicine, Air Force Medical University, Xi'an, 710032, Shaanxi, China
| | - Qunxing An
- Department of Transfusion Medicine, The First Affiliated Hospital of Air Force Medical University, Xi'an, 710032, Shaanxi, China.
| | - Honglan Qi
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Chengxiao Zhang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Qiang Gao
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China.
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Wang L, Bin Q, Liu H, Zhang Y, Wang S, Luo S, Chen Z, Zhang M, Yu K. New insights into the on-site monitoring of probiotics eDNA using biosensing technology for heat-stress relieving in coral reefs. Biosens Bioelectron 2024; 243:115790. [PMID: 37906999 DOI: 10.1016/j.bios.2023.115790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 10/24/2023] [Indexed: 11/02/2023]
Abstract
Coral probiotics can improve the tolerance of corals to heat stress, thus mitigating the process of coral thermal bleaching. Sensitive and specific detection of coral probiotics at low abundances is highly desirable but remains challenging, especially for rapid and on-site detection of coral probiotics. Since the electrochemical biosensor has been recently used in the field of environmental DNA (eDNA) detection, herein, an efficient electrochemical biosensor was developed based on CoS2/CoSe2-NC HNCs electrode material with a specific DNA probe for the C. marina detection. After optimization, the lower limit of detection (LOD) values of such biosensors for the target DNA and genomic DNA were 1.58 fM and 6.5 pM, respectively. On this basis, a portable device was constructed for the practical detection of C. marina eDNA, and its reliability and accuracy were verified by comparison with the ddPCR method (P > 0.05). For each analysis, the average cost was only ∼ $1.08 and could be completed within 100 min with reliable sensitivity and specificity. Overall, the biosensor could reflect the protective effect of probiotics on coral heat stress, and the proposed technique will put new insights into the rapid and on-site detection of coral probiotics to assist corals against global warming.
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Affiliation(s)
- Liwei Wang
- School of Marine Sciences, School of Resources, Environment and Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China; Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Nanning, 530004, China; Guangxi, Key Laboratory of Processing for Non-ferrous Metallic and Featured Materials, Nanning, 530004, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China
| | - Qi Bin
- School of Marine Sciences, School of Resources, Environment and Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Hongjie Liu
- School of Marine Sciences, School of Resources, Environment and Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Yibo Zhang
- School of Marine Sciences, School of Resources, Environment and Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Shaopeng Wang
- School of Marine Sciences, School of Resources, Environment and Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Songlin Luo
- School of Marine Sciences, School of Resources, Environment and Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Zhenghua Chen
- School of Marine Sciences, School of Resources, Environment and Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China; Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Nanning, 530004, China
| | - Man Zhang
- School of Marine Sciences, School of Resources, Environment and Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China; Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Nanning, 530004, China.
| | - Kefu Yu
- School of Marine Sciences, School of Resources, Environment and Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China; Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Nanning, 530004, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China.
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8
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Ming J, Zhang JR, Song XN, Li X, Hua W, Ma Y. First-principles simulation of X-ray spectra of graphdiyne and graphdiyne oxides at the carbon K-edge. Phys Chem Chem Phys 2023; 25:32421-32429. [PMID: 37782052 DOI: 10.1039/d3cp03193d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
The experimental C 1s near-edge X-ray absorption fine-structure (NEXAFS) spectra of graphdiyne (GDY) show an evident change at different exposure periods, which is explained by oxidation. Herein, to better understand the structure-spectra relationship and the influence of oxidization, we performed a first-principles simulation of the NEXAFS spectra and X-ray photoelectron spectra (XPS) of both pure GDY and its four typical graphdiyne oxides (GDO) at the carbon K-edge. Pure GDY contains one sp2-hybridized (C1) and two sp-hybridized (C2, C3) carbons, while oxidation introduces more nonequivalent carbons. The experimental NEXAFS spectrum exhibits the lowest peak at ca. 285.8 eV. It was found that the C 1s → π* excitation from the sp2-hybridized carbon atoms (C1) in pure GDY and the sp-hybridized atoms (C2, C3) in GDOs contributes to this peak. The two weak resonances at around 289.0 and 290.6 eV in the experiment are contributed by the carbon atoms bonded to the oxygen atoms. Meanwhile, we found that oxidization leads to an increase in the C 1s ionization potentials (IPs) by 0.3-2.7 eV, which is consistent with the XPS experiments. Our calculations provide a clear explanation of the structure-spectra relationships of GDY and GDOs, and the signatures are useful for estimating the degree of oxidation.
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Affiliation(s)
- Jing Ming
- School of Physics and Electronics, Shandong Normal University, 250358 Jinan, China.
| | - Jun-Rong Zhang
- MIIT Key Laboratory of Semiconductor Microstructure and Quantum Sensing, Department of Applied Physics, School of Science, Nanjing University of Science and Technology, 210094 Nanjing, China.
| | - Xiu-Neng Song
- School of Physics and Electronics, Shandong Normal University, 250358 Jinan, China.
| | - Xin Li
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, 230026 Hefei, China
| | - Weijie Hua
- MIIT Key Laboratory of Semiconductor Microstructure and Quantum Sensing, Department of Applied Physics, School of Science, Nanjing University of Science and Technology, 210094 Nanjing, China.
| | - Yong Ma
- School of Physics and Electronics, Shandong Normal University, 250358 Jinan, China.
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9
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Zhou Y, Yi Y, He Y, Zhu G. A proof-of-concept electroreduction-free anodic stripping voltammetry analysis of Ag(I) based on S,N-Ti 3C 2T x MXene nanoribbons. Chem Commun (Camb) 2023. [PMID: 38037854 DOI: 10.1039/d3cc04715f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Herein, by preparing sulfur and nitrogen co-doped Ti3C2Tx MXene nanoribbons (S,N-Ti3C2TxR) as a sensing material, a sensitive and novel electroreduction-free anodic stripping voltammetry strategy was designed to detect Ag(I) (Ag+) for the first time, which can successfully avoid the power-consuming electroreduction step, achieving simple, sensitive and efficient detection for Ag+ with a low detection limit and wide linearity.
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Affiliation(s)
- Yifan Zhou
- School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
- School of Water, Energy and Environment, Cranfield University, Cranfield, Beds, MK430AL, UK
| | - Yinhui Yi
- School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, P. R. China
- Laboratory of Spectroscopy Sensing, Ministry of Agriculture and Rural Affairs, Zhejiang University, Hangzhou 310058, P. R. China
| | - Yong He
- Laboratory of Spectroscopy Sensing, Ministry of Agriculture and Rural Affairs, Zhejiang University, Hangzhou 310058, P. R. China
| | - Gangbing Zhu
- School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, P. R. China.
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, P. R. China
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10
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Liu T, Zhang C, Huo S, Zhou Y, Yi Y, Zhu G. Target-Controlled Redox Reaction and Ru(II) Release of a Smart Metal-Organic Framework Nanomaterial for Highly Sensitive Ratiometric Homogeneous Electroanalysis of Cadmium(II). Inorg Chem 2023; 62:17425-17432. [PMID: 37812810 DOI: 10.1021/acs.inorgchem.3c02760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
In this work, a highly sensitive ratiometric homogeneous electroanalysis (HEA) strategy of cadmium(II) (Cd2+) was proposed via a Cd2+-controlled redox reaction and Ru(bpy)32+ (Ru(II)) release from a smart metal-organic framework (MOF) nanomaterial. For achieving this purpose, Ru(II) was entrapped ingeniously into the pores of an MOF material (UiO-66-NH2) and subsequently gated by the double-strand hybrids of a Cd2+-aptamer (Apt) and its complementary sequences (CP) to form a novel smart nanomaterial (denoted as Ru@UiO-66-NH2); meanwhile, Fe(III) was selected as an additional probe present in electrolyte to facilitate the Ru(II) redox reaction: Fe(III) + Ru(II) → Fe(II) + Ru(III). Owing to the strong binding effect of the Cd2+ target to the specific Apt, the Apt-CP hybridization at Ru@UiO-66-NH2 would be destroyed in the presence of Cd2+, and the related Apt was further induced away from the smart nanomaterial, leading to the opening of the gate and release of Ru(II). Meanwhile, the released Ru(II) was quickly oxidized chemically by Fe(III) to Ru(III). On the basis of the generated Ru(III) and consumed Fe(III), the ratio of the reduction currents between Ru(III) and Fe(III) exhibits an enhancement and it is dependent on the level of Cd2+; thus, a novel HEA strategy of Cd2+ was then designed. Under the optimal conditions, the HEA sensor shows a wide linearity ranging from 10.0 pM to 500.0 nM, and the achieved detection limit of Cd2+ is 3.3 pM. The as-designed ratiometric HEA strategy not only offers a unique idea to realize a simple and sensitive assay for Cd2+ but also possesses significant potential as an effective tool to be introduced for other target analysis just via altering the specific Apt.
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Affiliation(s)
- Tingting Liu
- School of Emergency Management, School of the Environment and Safety Engineering, and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
- Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, Xiamen University, Xiamen 361005, P.R. China
| | - Conglin Zhang
- School of Emergency Management, School of the Environment and Safety Engineering, and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Shuhao Huo
- School of Emergency Management, School of the Environment and Safety Engineering, and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Yifan Zhou
- School of Emergency Management, School of the Environment and Safety Engineering, and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Yinhui Yi
- School of Emergency Management, School of the Environment and Safety Engineering, and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, P. R. China
- Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, Xiamen University, Xiamen 361005, P.R. China
- State Environmental Protection Key Laboratory of Monitoring for Heavy Metal Pollutants, Changsha 410019, P.R. China
- The Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture and Rural Affairs, Zhejiang University, Hangzhou 310058, P.R. China
| | - Gangbing Zhu
- School of Emergency Management, School of the Environment and Safety Engineering, and Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang 212013, P. R. China
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11
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Dong M, Jiang D, Cao Q, Wang W, Shiigi H, Chen Z. A metal-organic framework regulated graphdiyne-based electrochemiluminescence sensor with a electrocatalytic self-acceleration effect for the detection of di-(2-ethylhexyl) phthalate. Analyst 2023; 148:4470-4478. [PMID: 37574902 DOI: 10.1039/d3an00954h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
In this work, a super-sensitive electrochemiluminescence (ECL) aptamer sensor was constructed using a multiple signal amplification strategy to realize ultra-sensitive detection of di-(2-ethylhexyl) phthalate (DEHP). The incorporation of a highly efficient electrocatalytic metal-organic framework (NH2-Zr-MOF) and graphdiyne (GDY) composite has significantly enhanced the overall electrochemically active surface area, facilitating electron transfer during the entire electrochemical reaction process, and the large number of pores in graphdiyne and NH2-Zr-MOF limited a series of redox reactions within a certain range. This resulted in the generation of a greater number of SO4˙- radicals, thereby boosting the ECL intensity of the GDY in the K2S2O8 system. To increase the performance of the sensor even further, sodium ascorbate (NaAsc) as an accelerator was added to the co-reactant system. Additionally, nitrogen micro-nano bubbles with higher stability and stronger mass transfer have been introduced into the ECL system for the first time. Based on these, the aptamer as the recognition element realized the ultra-sensitive detection of DEHP in the linear range of 1.0 × 10-12 to 1.0 × 10-4 mg mL-1 with the limit of detection (LOD) of 2.43 × 10-13 mg mL-1. In summary, we have utilized the electrocatalytic activity of the porous MOF and the reducing capability of sodium ascorbate to enhance the ECL emission of GDY, which has been successfully applied to the detection of DEHP in water samples.
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Affiliation(s)
- Meihua Dong
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
| | - Ding Jiang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, China
| | - Qianying Cao
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
| | - Wenchang Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, China
- Analysis and Testing Center, NERC Biomass of Changzhou University, China
| | - Hiroshi Shiigi
- Osaka Metropolitan University, Department of Applied Chemistry, Naka Ku, 1-2 Gakuen, Sakai, Osaka 5998570, Japan
| | - Zhidong Chen
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China.
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, China
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12
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Ghosh A, Orasugh JT, Ray SS, Chattopadhyay D. Prospects of 2D graphdiynes and their applications in desalination and wastewater remediation. RSC Adv 2023; 13:18568-18604. [PMID: 37346946 PMCID: PMC10281012 DOI: 10.1039/d3ra01370g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 06/05/2023] [Indexed: 06/23/2023] Open
Abstract
Water is an indispensable part of human life that affects health and food intake. Water pollution caused by rapid industrialization, agriculture, and other human activities affects humanity. Therefore, researchers are prudent and cautious regarding the use of novel materials and technologies for wastewater remediation. Graphdiyne (GDY), an emerging 2D nanomaterial, shows promise in this direction. Graphdiyne has a highly symmetrical π-conjugated structure consisting of uniformly distributed pores; hence, it is favorable for applications such as oil-water separation and organic-pollutant removal. The acetylenic linkage in GDY can strongly interact with metal ions, rendering GDY applicable to heavy-metal adsorption. In addition, GDY membranes that exhibit 100% salt rejection at certain pressures are potential candidates for wastewater treatment and water reuse via desalination. This review provides deep insights into the structure, properties, and synthesis methods of GDY, owing to which it is a unique, promising material. In the latter half of the article, various applications of GDY in desalination and wastewater treatment have been detailed. Finally, the prospects of these materials have been discussed succinctly.
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Affiliation(s)
- Adrija Ghosh
- Department of Polymer Science and Technology, University of Calcutta Kolkata-700009 India
| | - Jonathan Tersur Orasugh
- Department of Chemical Sciences, University of Johannesburg Doorfontein Johannesburg 2028 South Africa
- Centre for Nanostructures and Advanced Materials, DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research Pretoria 0001 South Africa
| | - Suprakas Sinha Ray
- Department of Chemical Sciences, University of Johannesburg Doorfontein Johannesburg 2028 South Africa
- Centre for Nanostructures and Advanced Materials, DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research Pretoria 0001 South Africa
| | - Dipankar Chattopadhyay
- Department of Polymer Science and Technology, University of Calcutta Kolkata-700009 India
- Center for Research in Nanoscience and Nanotechnology, Acharya Prafulla Chandra Roy Sikhsha Prangan, University of Calcutta JD-2, Sector-III, Saltlake City Kolkata-700098 WB India
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13
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Wang L, Xu J, Liu H, Wang S, Ou W, Zhang M, Wei F, Luo S, Chen B, Zhang S, Yu K. Ultrasensitive and on-site eDNA detection for the monitoring of crown-of-thorns starfish densities at the pre-outbreak stage using an electrochemical biosensor. Biosens Bioelectron 2023; 230:115265. [PMID: 36996547 DOI: 10.1016/j.bios.2023.115265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 03/02/2023] [Accepted: 03/24/2023] [Indexed: 03/29/2023]
Abstract
The coral reef crisis has significantly intensified over the last decades, mainly due to severe outbreaks of crown-of-thorns starfish (COTS). Current ecological monitoring has failed to detect COTS densities at the pre-outbreak stage, thus preventing early intervention. In this work, we developed an effective electrochemical biosensor modified by a MoO2/C nanomaterial, as well as a specific DNA probe that could detect trace COTS environmental DNA (eDNA) at a lower detection limit (LOD = 0.147 ng/μL) with excellent specificity. The reliability and accuracy of the biosensor were validated against the standard methods by an ultramicro spectrophotometer and droplet digital PCR (p > 0.05). The biosensor was then utilized for the on-site analysis of seawater samples from SYM-LD and SY sites in the South China Sea. For the SYM-LD site suffering an outbreak, the COTS eDNA concentrations were 0.33 ng/μL (1 m, depth) and 0.26 ng/μL (10 m, depth), respectively. According to the ecological survey, the COTS density was 500 ind/hm2 at the SYM-LD site, verifying the accuracy of our measurements. At the SY site, COTS eDNA was also detected at 0.19 ng/μL, but COTS was not found by the traditional survey. Hence, larvae were possibly present in this region. Therefore, this electrochemical biosensor could be used to monitor COTS populations at the pre-outbreak stages, and potentially serve as a revolutionary early warning method. We will continue to improve this method for picomolar or even femtomolar detection of COTS eDNA.
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Affiliation(s)
- Liwei Wang
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China; School of Resources, Environment and Materials, Guangxi, Key Laboratory of Processing for Non-ferrous Metallic and Featured Materials, Nanning, 530003, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519080, China
| | - Jiarong Xu
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China; School of Resources, Environment and Materials, Guangxi, Key Laboratory of Processing for Non-ferrous Metallic and Featured Materials, Nanning, 530003, China
| | - Hongjie Liu
- School of Resources, Environment and Materials, Guangxi, Key Laboratory of Processing for Non-ferrous Metallic and Featured Materials, Nanning, 530003, China; School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China; College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Shaopeng Wang
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China
| | - Wenchao Ou
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China
| | - Man Zhang
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China
| | - Fen Wei
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China
| | - Songlin Luo
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China
| | - Biao Chen
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China
| | - Shaolong Zhang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Kefu Yu
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519080, China.
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14
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Xu J, Liu Y, Huang KJ, Wang R, Sun X. An ingenious designed dual mode self-powered biosensing platform based on graphdiyne heterostructure substrate for instant hepatocarcinoma marker detection. Talanta 2023; 261:124656. [PMID: 37209584 DOI: 10.1016/j.talanta.2023.124656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/05/2023] [Accepted: 05/06/2023] [Indexed: 05/22/2023]
Abstract
We report here for the first time a self-powered biosensing platform based on graphene/graphdiyne/graphene (GDY-Gr) heterostructure substrate material for ultrasensitive hepatocarcinoma marker (microRNA-21) detection in both electrochemical and colorimetric test modes. The dual-mode signal intuitively displayed on a smartphone fundamentally improves the detection accuracy. In electrochemical mode, the calibration curve is established in the linear range of 0.1-10000 fM, and the detection limit is as low as 0.333 fM (S/N = 3). Simultaneously, colorimetric analysis of the miRNA-21 is realized by using ABTS as an indicator. The detection limit is confirmed as 32 fM (S/N = 3), and miRNA-21 of concentration from 0.1 pM to 1 nM exhibit a linear relationship with R2 = 0.9968. Overall, the combination of GDY-Gr and multiple signal amplification strategy significantly improved the sensitivity by 310 times compared with traditional enzymatic biofuel cells (EBFCs) based detection platform, showing broad application prospects for on-site analysis and future mobile medical services.
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Affiliation(s)
- Jing Xu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang, 464000, China
| | - Yinbing Liu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang, 464000, China
| | - Ke-Jing Huang
- School of Chemistry and Chemical Engineering, Guangxi Minzu University, Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Key Laboratory of Applied Analytical Chemistry (Guangxi Minzu University), Education Department of Guangxi Zhuang Autonomous Region, Nanning, 530006, China.
| | - Renjie Wang
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, FL, 33431, USA.
| | - Xiaoxuan Sun
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang, 464000, China
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15
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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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16
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Li Y, Chen X, Lin Y, Yang Y, Zhang L, Zhao P, Wang C, Fei J, Xie Y. Detection of catechins in tea beverages using a novel electrochemical sensor based on cyclodextrin nanosponges composite. EFOOD 2023. [DOI: 10.1002/efd2.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
Affiliation(s)
- Yuhong Li
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Xiangtan University Xiangtan People's Republic of China
| | - Xiaoling Chen
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Xiangtan University Xiangtan People's Republic of China
| | - Yueli Lin
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Xiangtan University Xiangtan People's Republic of China
| | - Yaqi Yang
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Xiangtan University Xiangtan People's Republic of China
| | - Li Zhang
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Xiangtan University Xiangtan People's Republic of China
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province Xiangtan University Xiangtan People's Republic of China
| | - Pengcheng Zhao
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Xiangtan University Xiangtan People's Republic of China
- Hunan Institute of Advanced Sensing and Information Technology Xiangtan University Xiangtan People's Republic of China
| | - Chenxi Wang
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Xiangtan University Xiangtan People's Republic of China
| | - Junjie Fei
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Xiangtan University Xiangtan People's Republic of China
- Hunan Institute of Advanced Sensing and Information Technology Xiangtan University Xiangtan People's Republic of China
| | - Yixi Xie
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education Xiangtan University Xiangtan People's Republic of China
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province Xiangtan University Xiangtan People's Republic of China
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17
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Liu T, Zhou R, Zhang C, Yi Y, Zhu G. Homogeneous voltammetric sensing strategy for lead ions based on aptamer gated methylthionine chloride@UiO-66-NH 2 framework as smart target-stimulated responsive nanomaterial. Chem Commun (Camb) 2023; 59:3771-3774. [PMID: 36912279 DOI: 10.1039/d3cc00940h] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Abstract
Herein an innovative electrochemical method is proposed for the determination of lead ions (Pb2+) based on a homogeneous voltammetric (HVC) sensing strategy using an aptamer gated methylthionine chloride@UiO-66-NH2 framework as a smart target-stimulated responsive material. The proposed HVC sensor exhibits excellent sensing performance: ultralow detection limit (0.166 pM) and wide linearity (5.0 pM-500.0 nM), simultaneously, it avoids electrodeposition processes and it is simple to modify the electrode compared to previous electrochemical methods for Pb2+ detection. Thus our method shows great potential in the highly efficient detection of Pb2+ and other heavy metal ions by simply altering the related specific aptamer.
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Affiliation(s)
- Tingting Liu
- School of Emergency Management, School of the Environment and Safety Engineering, Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Ruiyong Zhou
- School of Emergency Management, School of the Environment and Safety Engineering, Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Conglin Zhang
- School of Emergency Management, School of the Environment and Safety Engineering, Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Yinhui Yi
- School of Emergency Management, School of the Environment and Safety Engineering, Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang, 212013, P. R. China.
| | - Gangbing Zhu
- School of Emergency Management, School of the Environment and Safety Engineering, Collaborative Innovation Center of Technology and Material of Water Treatment, Jiangsu University, Zhenjiang, 212013, P. R. China.
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, P. R. China
- State Environmental Protection Key Laboratory of Monitoring for Heavy Metal Pollutants, P. R. China
- Jiangsu Provincial Key Laboratory of Environmental Science and Engineering, Suzhou University of Science and Technology, P. R. China
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18
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Decoration of alkalization-intercalated Ti 3C 2 with ZIF-8@ZIF-67-derived N-doped carbon nanocage for detecting 4-nitrophenol. Mikrochim Acta 2023; 190:133. [PMID: 36917315 DOI: 10.1007/s00604-023-05713-2] [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: 11/17/2022] [Accepted: 02/20/2023] [Indexed: 03/16/2023]
Abstract
The highly effective alk-Ti3C2/bimetallic Co, Zn embedded N-doped carbon (Co-Zn-NC) composite was fabricated by a convenient self-assembled method strategy and applied to the reduction of 4-nitrophenol(4-NP). Co-Zn-NC nanocage was synthesized by using designed core-shell ZIF-8@ZIF-67 as sacrificial template. The Co-Zn-NC was prepared by pyrolysis of ZIF-8@ZIF-67 at 900 °C with high-specific surface area and hollow structure, which facilitates the dispersion of Co species and produces abundant Co-Nx active sites. In addition, the electrochemical property and specific surface area of Ti3C2 were improved by alkaline treatment. As a result, compared with alk-Ti3C2 and Co-Zn-NC, the alk-Ti3C2/Co-Zn-NC sensor showed higher activity and stability in detecting 4-NP. The alk-Ti3C2/Co-Zn-NC sensor has a wide determination range of 2-500 μM and a low detection limit of 0.23 μM for 4-NP. In addition, the newly developed alk-Ti3C2/Co-Zn-NC sensor displayed satisfactory reproducibility and good stability in detecting 4-NP in aqueous samples.
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Xu J, Liu Y, Huang KJ, Hou YY, Sun X, Li J. Real-Time Biosensor Platform Based on Novel Sandwich Graphdiyne for Ultrasensitive Detection of Tumor Marker. Anal Chem 2022; 94:16980-16986. [PMID: 36445725 DOI: 10.1021/acs.analchem.2c04278] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Realization of a highly sensitive analysis and sensing platform is important for early-stage tumor diagnosis. In this work, a self-powered biosensor with a novel sandwich graphdiyne (SGDY) combined with an aptamer-specific recognition function was developed to sensitively and accurately detect tumor markers. Results indicated that the detection limits of microRNA (miRNA)-21 and miRNA-141 were 0.15 and 0.30 fM (S/N = 3) in the linear range of 0.05-10000 and 1-10000 fM, respectively. The newly designed platform has great promise for early-stage tumor diagnosis.
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Affiliation(s)
- Jing Xu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Yinbing Liu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Ke-Jing Huang
- Key Laboratory of Chemistry and Engineering of Forest Products, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Key Laboratory of Guangxi Colleges and Universities for Food Safety and Pharmaceutical Analytical Chemistry, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning 530008, China
| | - Yang-Yang Hou
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Xiaoxuan Sun
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Jiaqiang Li
- Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
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