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Manibalan K, Arul P, Wu HJ, Huang ST, Mani V. Self-Immolative Electrochemical Redox Substrates: Emerging Artificial Receptors in Sensing and Biosensing. ACS MEASUREMENT SCIENCE AU 2024; 4:163-183. [PMID: 38645581 PMCID: PMC11027205 DOI: 10.1021/acsmeasuresciau.3c00057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 12/16/2023] [Accepted: 12/20/2023] [Indexed: 04/23/2024]
Abstract
The development of artificial receptors has great significance in measurement science and technology. The need for a robust version of natural receptors is getting increased attention because the cost of natural receptors is still high along with storage difficulties. Aptamers, imprinted polymers, and nanozymes are some of the matured artificial receptors in analytical chemistry. Recently, a new direction has been discovered by organic chemists, who can synthesize robust, activity-based, self-immolative organic molecules that have artificial receptor properties for the targeted analytes. Specifically designed trigger moieties implant selectivity and sensitivity. These latent electrochemical redox substrates are highly stable, mass-producible, inexpensive, and eco-friendly. Combining redox substrates with the merits of electrochemical techniques is a good opportunity to establish a new direction in artificial receptors. This Review provides an overview of electrochemical redox substrate design, anatomy, benefits, and biosensing potential. A proper understanding of molecular design can lead to the development of a library of novel self-immolative redox molecules that would have huge implications for measurement science and technology.
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Affiliation(s)
- Kesavan Manibalan
- Department
of Materials Science and Engineering, National
Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Ponnusamy Arul
- Institute
of Biochemical and Biomedical Engineering, Department of Chemical
Engineering and Biotechnology, National
Taipei University of Technology, Taipei 10608, Taiwan (ROC)
| | - Hsin-Jay Wu
- Department
of Materials Science and Engineering, National
Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Sheng-Tung Huang
- Institute
of Biochemical and Biomedical Engineering, Department of Chemical
Engineering and Biotechnology, National
Taipei University of Technology, Taipei 10608, Taiwan (ROC)
- High-Value
Biomaterials Research and Commercialization Center, National Taipei University of Technology, No. 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan (ROC)
| | - Veerappan Mani
- Advanced
Membranes and Porous Materials Center (AMPMC), Computer, Electrical
and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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2
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Cai W, Chen X, Xie L, Yu Y, Liu G, Fan C, Pu S. Development of europium(III) complex fluorescent probe for hydrogen sulfide detection and its application in water samples. LUMINESCENCE 2023. [PMID: 37975337 DOI: 10.1002/bio.4628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/24/2023] [Accepted: 10/29/2023] [Indexed: 11/19/2023]
Abstract
Hydrogen sulfide (H2 S) is a crucial endogenous signaling component in organisms that is involved in redox homeostasis and numerous biological processes. Modern medical research has confirmed that hydrogen sulfide plays an important role in the pathogenesis of many diseases. Herein, a fluorescent probe Eu(ttbd)3 abt based on europium(III) complex was designed and synthesized for the detection of H2 S. Eu(ttbd)3 abt exhibited significant quenching for H2 S at long emission wavelength (625 nm), with rapid detection ability (less than 2 min), high sensitivity [limit of detection (LOD) = 0.41 μM], and massive Stokes shift (300 nm). Additionally, this probe showed superior selectivity for H2 S despite the presence of other possible interference species such as biothiols. Furthermore, the probe Eu(ttbd)3 abt was successfully applied to detect H2 S in water samples.
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Affiliation(s)
- Wenjuan Cai
- Jiangxi Key Laboratory of Organic Chemistry, College of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Xiaoxia Chen
- Jiangxi Key Laboratory of Organic Chemistry, College of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Ling Xie
- Jiangxi Key Laboratory of Organic Chemistry, College of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Yanhong Yu
- Jiangxi Key Laboratory of Organic Chemistry, College of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Gang Liu
- Jiangxi Key Laboratory of Organic Chemistry, College of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Congbin Fan
- Jiangxi Key Laboratory of Organic Chemistry, College of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang, China
| | - Shouzhi Pu
- Department of Ecology and Environment, Yuzhang Normal University, Nanchang, China
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3
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Wu K, Wang X, Gong L, Zhai X, Wang K, Qiu X, Zhang H, Tang Z, Jiang H, Wang X. Screening of H 2S donors with a red emission mitochondria-targetable fluorescent probe: Toward discovering a new therapeutic strategy for Parkinson's disease. Biosens Bioelectron 2023; 237:115521. [PMID: 37429146 DOI: 10.1016/j.bios.2023.115521] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/28/2023] [Accepted: 07/05/2023] [Indexed: 07/12/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder caused by various factors such as neuroinflammation, oxidative stress, mitochondrial dysfunction, and neuronal apoptosis. Recent studies have shown that H2S supplementation reverses neuronal loss and mitigates motor deficits in PD patients through anti-inflammatory, antioxidant, improved mitochondrial function and proautophagic. Therefore, the discovery and use of H2S donors may be an exciting and intriguing strategy for the treatment of PD. Herein, we report a red emission mitochondria-targetable fluorescent probe, Rho-H2S, which can specifically and sensitively detect H2S with a limit of detection of 62.5 nM. Bioimaging experiments have shown that the probe has excellent mitochondrial targeting and good imaging capabilities for the detection of exogenous and endogenous H2S in cells. More importantly, based on the Rho-H2S probe, we first confirmed the sulforaphane (SFN) among 15 glucosinolate and isothiocyanate compounds from cruciferous vegetables with an outstanding ability to release H2S and we further proved that SFN could alleviate the symptoms of PD in vivo. All results demonstrate that Rho-H2S could be an effective tool for screening H2S donors and can contribute to the development of new therapeutic strategies for PD.
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Affiliation(s)
- Ke Wu
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China
| | - Xumei Wang
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China
| | - Lili Gong
- Experimental Center, Shandong Provincial Key Laboratory of Traditional Chinese Medicine for Basic Research, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China
| | - Xinyuan Zhai
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China
| | - Kai Wang
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China
| | - Xiao Qiu
- Experimental Center, Shandong Provincial Key Laboratory of Traditional Chinese Medicine for Basic Research, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China
| | - Hao Zhang
- Experimental Center, Shandong Provincial Key Laboratory of Traditional Chinese Medicine for Basic Research, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China
| | - Zhixin Tang
- Experimental Center, Shandong Provincial Key Laboratory of Traditional Chinese Medicine for Basic Research, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China.
| | - Haiqiang Jiang
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China.
| | - Xiaoming Wang
- Experimental Center, Shandong Provincial Key Laboratory of Traditional Chinese Medicine for Basic Research, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan, 250355, PR China.
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4
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Dong H, Zhao L, Wang T, Chen Y, Hao W, Zhang Z, Hao Y, Zhang C, Wei X, Zhang Y, Zhou Y, Xu M. Dual-Mode Ratiometric Electrochemical and Turn-On Fluorescent Detection of Butyrylcholinesterase Utilizing a Single Probe for the Diagnosis of Alzheimer's Disease. Anal Chem 2023; 95:8340-8347. [PMID: 37192372 DOI: 10.1021/acs.analchem.3c00974] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Biomarkers detection in blood with high accuracy is crucial for the diagnosis and treatment of many diseases. In this study, the proof-of-concept fabrication of a dual-mode sensor based on a single probe (Re-BChE) using a dual-signaling electrochemical ratiometric strategy and a "turn-on" fluorescent method is presented. The probe Re-BChE was synthesized in a single step and demonstrated dual mode response toward butyrylcholinesterase (BChE), a promising biomarker of Alzheimer's disease (AD). Due to the specific hydrolysis reaction, the probe Re-BChE demonstrated a turn-on current response for BChE at -0.28 V, followed by a turn-off current response at -0.18 V, while the fluorescence spectrum demonstrated a turn-on response with an emission wavelength of 600 nm. The developed ratiometric electrochemical sensor and fluorescence detection demonstrated high sensitivity with BChE concentrations with a low detection limit of 0.08 μg mL-1 and 0.05 μg mL-1, respectively. Importantly, the dual-mode sensor presents the following advantages: (1) dual-mode readout can correct the impact of systematic or background error, thereby achieving more accurate results; (2) the responses of dual-mode readout originate from two distinct mechanisms and relatively independent signal transduction, in which there is no interference between two signaling routes. Additionally, compared with the reported single-signal electrochemical assays for BChE, both redox potential signals were detected in the absence of biological interference within a negative potential window. Furthermore, it was discovered that the outcomes of direct dual-mode electrochemical and fluorescence quantifications of the level of BChE in serum were in agreement with those obtained from the use of commercially available assay kits for BChE sensing. This method has the potential to serve as a useful point-of-care tool for the early detection of AD.
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Affiliation(s)
- Hui Dong
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Le Zhao
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Tao Wang
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Yanan Chen
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Wanqing Hao
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Ziyi Zhang
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Yizhao Hao
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Cunliang Zhang
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Xiuhua Wei
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Yintang Zhang
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Yanli Zhou
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
| | - Maotian Xu
- Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases, College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
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5
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Yang M, Zhou Y, Wang K, Luo C, Xie M, Shi X, Lin X. Review of Chemical Sensors for Hydrogen Sulfide Detection in Organisms and Living Cells. SENSORS (BASEL, SWITZERLAND) 2023; 23:3316. [PMID: 36992027 PMCID: PMC10058419 DOI: 10.3390/s23063316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/15/2023] [Accepted: 03/19/2023] [Indexed: 06/19/2023]
Abstract
As the third gasotransmitter, hydrogen sulfide (H2S) is involved in a variety of physiological and pathological processes wherein abnormal levels of H2S indicate various diseases. Therefore, an efficient and reliable monitoring of H2S concentration in organisms and living cells is of great significance. Of diverse detection technologies, electrochemical sensors possess the unique advantages of miniaturization, fast detection, and high sensitivity, while the fluorescent and colorimetric ones exhibit exclusive visualization. All these chemical sensors are expected to be leveraged for H2S detection in organisms and living cells, thus offering promising options for wearable devices. In this paper, the chemical sensors used to detect H2S in the last 10 years are reviewed based on the different properties (metal affinity, reducibility, and nucleophilicity) of H2S, simultaneously summarizing the detection materials, methods, linear range, detection limits, selectivity, etc. Meanwhile, the existing problems of such sensors and possible solutions are put forward. This review indicates that these types of chemical sensors competently serve as specific, accurate, highly selective, and sensitive sensor platforms for H2S detection in organisms and living cells.
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6
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Affiliation(s)
- Shuwen Cheng
- Renmin University of China Ringgold standard institution – Department of Chemistry Zhongguancun street 59th Beijing 100872 China
| | - Li Zhang
- Renmin University of China Ringgold standard institution – Department of Chemistry Zhongguancun street 59th Beijing 100872 China
| | - Meining Zhang
- Renmin University of China Ringgold standard institution – Department of Chemistry Zhongguancun street 59th Beijing 100872 China
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7
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Han X, Liu J, Yu K, Lu Y, Xiang W, Zhao D, He Y. Water-Stable Eu 6-Cluster-Based fcu-MOF with Exposed Vinyl Groups for Ratiometric and Fluorescent Visual Sensing of Hydrogen Sulfide. Inorg Chem 2022; 61:5067-5075. [PMID: 35289607 DOI: 10.1021/acs.inorgchem.2c00019] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Detection of H2S in the biological system has attracted enormous attention in recent years. In this work, a new vinyl-functionalized metal-organic framework (MOF), [(Me2NH2)2] [Eu6(μ3-OH)8(BDC-CH═CH2)6(H2O)6] (Eu-BDC-CH═CH2, BDC-CH═CH2 = 2-vinylterephthalic acid), was synthesized under solvothermal conditions. The vinyl groups in the ligands can not only modulate the "antenna effect" of the ligand on Eu3+ ions but also serve as an exposed reactive site to allow for the quantitative detection of H2S by Eu-BDC-CH═CH2. The ratiometric fluorescent probe has the advantages of water stability, acid-base stability (pH = 2-11), fast response (<2 min), high selectivity, and sensitivity (LOD = 38.4 μM). We also used Eu-BDC-CH═CH2 to detect and analyze H2S in tap and lake waters, demonstrating the potential of the probe for biological and environmental applications. In addition, the MOF-based agarose hydrogel film allows for the visual detection of H2S via a smartphone by identifying the RGB values. The vinyl-functionalized MOF can thus be a powerful sensing platform for H2S.
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Affiliation(s)
- Xue Han
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua 321004, Zhejiang, China
| | - Jingwen Liu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua 321004, Zhejiang, China
| | - Kuangli Yu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua 321004, Zhejiang, China
| | - Yantong Lu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua 321004, Zhejiang, China
| | - Wenqing Xiang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua 321004, Zhejiang, China
| | - Dian Zhao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua 321004, Zhejiang, China
| | - Yabing He
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Jinhua 321004, Zhejiang, China
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8
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Li H, Li Q, Zhao S, Wang X, Li F. Aptamer-Target Recognition-Promoted Ratiometric Electrochemical Strategy for Evaluating the Microcystin-LR Residue in Fish without Interferences. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:680-686. [PMID: 35012307 DOI: 10.1021/acs.jafc.1c06476] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Given the significance of food safety, it is highly urgent to develop a sensitive yet reliable sensor for the practical analysis of algal toxins. As most of the developed sensors are disturbed by interfering substances and the target toxin is detected in a single-signal manner based on the immunoassay technology. Herein, we developed an aptamer-based dual-signal ratiometric electrochemical sensor for the sensitive and accurate analysis of microcystin-LR (MC-LR), using it as a proof-of-concept analyte. Methylene blue-tagged ssDNA (MB-ssDNA) was immobilized at the gold electrode surface accompanied with the absence of ferrocene-tagged ssDNA (Fc-ssDNA), resulting in a high differential pulse voltammetry (DPV) current of MB and a low DPV current of Fc. The recognition of MB-ssDNA by MC-LR stimulated the formation of MC-LR@MB-ssDNA, which induced the removal of MB-ssDNA from the electrode and the exposure of SH-ssDNA, enabling Fc-ssDNA to be captured at the electrode surface via nucleic acid hybridization. In comparison with MC-LR deficiency, the DPV signal of MB dropped along with an improved DPV signal of Fc, contributing to the ratiometric detection of MC-LR, with the limit of detection down to 0.0015 nM. Furthermore, this ratiometric electrochemical sensor was successfully explored to assess the bioaccumulated amount of MC-LR in the liver and meat of fish. The aptamer-based ratiometric strategy to develop an electrochemical MC-LR assay will offer a promising avenue to develop high-performance sensors, and the sensor will find more useful application in MC-LR-related aquatic product safety studies.
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Affiliation(s)
- Haiyin Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Qian Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Suixin Zhao
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Xuemei Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
| | - Feng Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, People's Republic of China
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Biocompatible Electrochemical Sensor Based on Platinum-Nickel Alloy Nanoparticles for In Situ Monitoring of Hydrogen Sulfide in Breast Cancer Cells. NANOMATERIALS 2022; 12:nano12020258. [PMID: 35055275 PMCID: PMC8781777 DOI: 10.3390/nano12020258] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/04/2022] [Accepted: 01/10/2022] [Indexed: 12/16/2022]
Abstract
Hydrogen sulfide (H2S), an endogenous gasotransmitter, is produced in mammalian systems and is closely associated with pathological and physiological functions. Nevertheless, the complete conversion of H2S is still unpredictable owing to the limited number of sensors for accurate and quantitative detection of H2S in biological samples. In this study, we constructed a disposable electrochemical sensor based on PtNi alloy nanoparticles (PtNi NPs) for sensitive and specific in situ monitoring of H2S released by human breast cancer cells. PtNi alloy NPs with an average size of 5.6 nm were prepared by a simple hydrothermal approach. The conversion of different forms of sulfides (e.g., H2S, HS-, and S2-) under various physiological conditions hindered the direct detection of H2S in live cells. PtNi NPs catalyze the electrochemical oxidation of H2S in a neutral phosphate buffer (PB, pH 7.0). The PtNi-based sensing platform demonstrated a linear detection range of 0.013-1031 µM and the limit of detection was 0.004 µM (S/N = 3). Moreover, the PtNi sensor exhibited a sensitivity of 0.323 μA μM-1 cm-2. In addition, the stability, repeatability, reproducibility, and anti-interference ability of the PtNi sensor exhibited satisfactory results. The PtNi sensor was able to successfully quantify H2S in pond water, urine, and saliva samples. Finally, the biocompatible PtNi electrode was effectively employed for the real-time quantification of H2S released from breast cancer cells and mouse fibroblasts.
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Progress on the reaction-based methods for detection of endogenous hydrogen sulfide. Anal Bioanal Chem 2021; 414:2809-2839. [PMID: 34825272 DOI: 10.1007/s00216-021-03777-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 10/12/2021] [Accepted: 11/05/2021] [Indexed: 12/29/2022]
Abstract
Hydrogen sulfide (H2S) is a biologically signaling molecule that mediates a wide range of physiological functions, which is frequently misregulated in numerous pathological processes. As such, measurement of H2S holds great attention due to its unique physiological and pathophysiological roles. Currently, a variety of methods based on the H2S-involved reactions have been reported for detection of endogenous H2S, bearing the advantages of good specificity and high sensitivity. This review describes in detail the types of reactions, their mechanisms, and their applications in biological research, thus hopefully providing some guidelines to the researchers in this field for further investigation.
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11
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Ward HJ, Ward RA, Lawrence NS, Wadhawan JD. Unravelling the Occurrence of Mediator‐Blood Protein Interactions via the Redox Catalysis of the Physiological Gasotransmitter Hydrogen Sulfide. ChemistrySelect 2021. [DOI: 10.1002/slct.202102974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Haydn J. Ward
- Department of Chemistry The University of Hull Cottingham Road Kingston-upon-Hull HU6 7RX United Kingdom
| | - Rhys A. Ward
- Department of Chemical Engineering The University of Hull Cottingham Road Kingston-upon-Hull HU6 7RX United Kingdom
| | - Nathan S. Lawrence
- Department of Chemical Engineering The University of Hull Cottingham Road Kingston-upon-Hull HU6 7RX United Kingdom
| | - Jay D. Wadhawan
- Department of Chemistry The University of Hull Cottingham Road Kingston-upon-Hull HU6 7RX United Kingdom
- Department of Chemical Engineering The University of Hull Cottingham Road Kingston-upon-Hull HU6 7RX United Kingdom
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12
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Liu X, He L, Li P, Li X, Zhang P. A Direct Electrochemical H
2
S Sensor Based on Ti
3
C
2
T
x
MXene. ChemElectroChem 2021. [DOI: 10.1002/celc.202100964] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Xinran Liu
- School of Materials Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Liang He
- School of Materials Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Ping Li
- School of Materials Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Xinqi Li
- School of Materials Engineering Shanghai University of Engineering Science Shanghai 201620 China
| | - Pandong Zhang
- School of Materials Engineering Shanghai University of Engineering Science Shanghai 201620 China
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13
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Spring SA, Goggins S, Frost CG. Ratiometric Electrochemistry: Improving the Robustness, Reproducibility and Reliability of Biosensors. Molecules 2021; 26:2130. [PMID: 33917231 PMCID: PMC8068091 DOI: 10.3390/molecules26082130] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 12/21/2022] Open
Abstract
Electrochemical biosensors are an increasingly attractive option for the development of a novel analyte detection method, especially when integration within a point-of-use device is the overall objective. In this context, accuracy and sensitivity are not compromised when working with opaque samples as the electrical readout signal can be directly read by a device without the need for any signal transduction. However, electrochemical detection can be susceptible to substantial signal drift and increased signal error. This is most apparent when analysing complex mixtures and when using small, single-use, screen-printed electrodes. Over recent years, analytical scientists have taken inspiration from self-referencing ratiometric fluorescence methods to counteract these problems and have begun to develop ratiometric electrochemical protocols to improve sensor accuracy and reliability. This review will provide coverage of key developments in ratiometric electrochemical (bio)sensors, highlighting innovative assay design, and the experiments performed that challenge assay robustness and reliability.
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Affiliation(s)
- Sam A. Spring
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK;
| | - Sean Goggins
- Bio-Techne (Tocris), The Watkins Building, Atlantic Road, Avonmouth, Bristol BS11 9QD, UK;
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14
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Jeromiyas N, Lin CM, Yu-Chieh L, Chen CH, Mani V, Arumugam R, Huang ST. Gd doped molybdenum selenide/carbon nanofibers: an excellent electrocatalyst for monitoring endogenous H 2S. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00045d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Design and synthesis of Gd doped molybdenum selenide/carbon nanofibers for monitoring H2S.
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Affiliation(s)
- Nithiya Jeromiyas
- Institute of Biochemical and Biomedical Engineering
- Department of Chemical Engineering and Biotechnology
- National Taipei University of Technology
- Taipei 106
- Taiwan
| | - Chun-Mao Lin
- Department of Biochemistry
- School of Medicine
- College of Medicine
- Taipei Medical University
- Taipei 11031
| | - Lee Yu-Chieh
- Department of Obstetrics and Gynecology
- Taipei Medical University Hospital
- Taipei
- Taiwan
| | - Ching-Hui Chen
- Department of Obstetrics and Gynecology
- Taipei Medical University Hospital
- Taipei
- Taiwan
| | - Veerappan Mani
- Institute of Biochemical and Biomedical Engineering
- Department of Chemical Engineering and Biotechnology
- National Taipei University of Technology
- Taipei 106
- Taiwan
| | - Rameshkumar Arumugam
- Department of Chemistry
- Bannari Amman Institute of Technology
- Sathyamangalam, Erode
- India
| | - Sheng-Tung Huang
- Institute of Biochemical and Biomedical Engineering
- Department of Chemical Engineering and Biotechnology
- National Taipei University of Technology
- Taipei 106
- Taiwan
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15
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Jin H, Sun Z, Sun Y, Gui R. Dual-signal ratiometric platforms: Construction principles and electrochemical biosensing applications at the live cell and small animal levels. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116124] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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16
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Du F, Guo Z, Cheng Z, Kremer M, Shuang S, Liu Y, Dong C. Facile synthesis of ultrahigh fluorescence N,S-self-doped carbon nanodots and their multiple applications for H 2S sensing, bioimaging in live cells and zebrafish, and anti-counterfeiting. NANOSCALE 2020; 12:20482-20490. [PMID: 33026004 DOI: 10.1039/d0nr04649c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Green-emissive N,S-self-doped carbon nanodots (N,S-self-CNDs) with an ultrahigh fluorescence (FL) quantum yield (QY) of 60% were synthesized using methyl blue as the only source by a facile hydrothermal approach. The -NH- and -SOx- groups of methyl blue were simultaneously used as nitrogen and sulfur co-dopants to dope into CNDs. The prepared N,S-self-CNDs have an extremely large Stokes shift (∼130 nm) and excitation-independent fluorescence, and are demonstrated to have multiple applications for H2S sensing, bioimaging and anti-counterfeiting. Taking advantage of their excellent optical properties, N,S-self-CNDs could act as a label-free nanoprobe for the detection of H2S. The FL of N,S-self-CNDs could be significantly quenched by H2S because of dynamic quenching, along with excellent selectivity toward H2S from 0.5-15 μM with a detection limit of 46.8 nM. They were successfully employed for the analysis of H2S content in actual samples. Additionally, the nanoprobe was extended to bioimaging in both living PC12 cells and zebrafish, and monitoring H2S in live cells. Furthermore, N,S-self-CNDs have been used to prepare highly fluorescent polymer films by incorporating N,S-self-CNDs in polyvinyl alcohol (PVA). The as-prepared N,S-self-CNDs/PVA films show a prominent dual-mode FL property, implying that they are potential nanomaterials in the anti-counterfeiting field.
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Affiliation(s)
- Fangfang Du
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
| | - Zhonghui Guo
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
| | - Zhe Cheng
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
| | - Marius Kremer
- Institut für Anorganische Chemie, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Shaomin Shuang
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
| | - Yang Liu
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
| | - Chuan Dong
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
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17
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Dual mode electrochemical-photoelectrochemical sensing platform for hydrogen sulfide detection based on the inhibition effect of titanium dioxide/bismuth tungstate/silver heterojunction. J Colloid Interface Sci 2020; 581:323-333. [PMID: 32771742 DOI: 10.1016/j.jcis.2020.07.120] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 11/20/2022]
Abstract
A novel dual mode sensing platform is constructed for highly selective detection of H2S, attributing to the efficient electrochemical (EC) and photoelectrochemical (PEC) signal responses of the TiO2/Bi2WO6/Ag heterojunction. On the one hand, TiO2/Bi2WO6/Ag heterojunction with excellent catalytic performance for the reduction of H2O2 could be employed act as a probe, providing a remarkable EC response through an amperometric i-t method. On the other hand, this hybrid provides a photoelectric beacon with a favorable energy-band configuration. More interestingly, the EC and PEC responses of the functionalized electrodes are proportionately decreased in response to the generation of Bi2S3 and Ag2S nanoparticles upon exposure to sulfide ions. The decreased EC and PEC signals could be ascribed to the poor catalytic properties and the recombination of photoexcited electron - hole pairs of the Bi2S3 and Ag2S. Under the optimal conditions, the dual mode sensor exhibits a wide linear response in the range from 0.5 μM to 300 μM with a detection limit of 0.08 μM for the detection of H2S. Enabled by this unique sensitization mechanism, the proposed sensing platform displays an excellent analytical performance with good selectivity, reproducibility and stability, which providing an alternative pathway of H2S detecting in practical application.
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18
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Kumaravel S, Balamurugan T, Jia SH, Lin HY, Huang ST. Ratiometric electrochemical molecular switch for sensing hypochlorous acid: Applicable in food analysis and real-time in-situ monitoring. Anal Chim Acta 2020; 1106:168-175. [DOI: 10.1016/j.aca.2020.01.065] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 12/27/2019] [Accepted: 01/28/2020] [Indexed: 02/07/2023]
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19
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Zhang W, Liu C, Han K, Wei X, Xu Y, Zou X, Zhang H, Chen Z. A signal on-off ratiometric electrochemical sensor coupled with a molecular imprinted polymer for selective and stable determination of imidacloprid. Biosens Bioelectron 2020; 154:112091. [DOI: 10.1016/j.bios.2020.112091] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/14/2020] [Accepted: 02/10/2020] [Indexed: 11/30/2022]
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20
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Zhang M, Zhang Z, Yang Y, Zhang Y, Wang Y, Chen X. Ratiometric Strategy for Electrochemical Sensing of Carbaryl Residue in Water and Vegetable Samples. SENSORS (BASEL, SWITZERLAND) 2020; 20:E1524. [PMID: 32164236 PMCID: PMC7085720 DOI: 10.3390/s20051524] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/01/2020] [Accepted: 03/06/2020] [Indexed: 11/16/2022]
Abstract
Accurate analysis of pesticide residue in real samples is essential for food safety and environmental protection. However, a traditional electrochemical sensor based on single-signal output is easily affected by background noise, environmental conditions, electrode diversity, and a complex matrix of samples, leading to extremely low accuracy. Hence, in this paper, a ratiometric strategy based on dual-signal output was adopted to build inner correction for sensing of widely-used carbaryl (CBL) for the first time. By comparison, Nile blue A (NB) was selected as reference probe, due to its well-defined peak, few effects on the target peak of CBL, and excellent stability. The effects of a derivatization method, technique mode, and pH were also investigated. Then the performance of the proposed ratiometric sensor was assessed in terms of three aspects including the elimination of system noise, electrode deviation and matrix effect. Compared with traditional single-signal sensor, the ratiometric sensor showed a much better linear correlation coefficient (r > 0.99), reproducibility (RSD < 10%), and limit of detection (LOD = 1.0 μM). The results indicated the introduction of proper reference probe could ensure the interdependence of target and reference signal on the same sensing environment, thus inner correction was fulfilled, which provided a promising tool for accurate analysis.
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Affiliation(s)
- Min Zhang
- College of Food Science and Engineering, Northwest A&F University, No.22 Xinong Road, Yangling 712100, China; (Z.Z.); (Y.Y.); (Y.Z.); (Y.W.); (X.C.)
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21
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Jiao J, Pan M, Liu X, Liu J, Li B, Chen Q. An Ultrasensitive Non-Enzymatic Sensor for Quantitation of Anti-Cancer Substance Chicoric Acid Based on Bimetallic Nanoalloy with Polyetherimide-Capped Reduced Graphene Oxide. NANOMATERIALS 2020; 10:nano10030499. [PMID: 32164270 PMCID: PMC7153584 DOI: 10.3390/nano10030499] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/07/2020] [Accepted: 03/08/2020] [Indexed: 12/24/2022]
Abstract
Exploiting effective therapies to fight tumor growth is an important part of modern cancer research. The anti-cancer activities of many plant-derived substances are well known, in part because the substances are often extensively distributed. Chicoric acid, a phenolic compound widely distributed in many plants, has drawn widespread attention in recent years because of its extraordinary anti-cancer activities. However, traditional methods for quantifying chicoric acid are inefficient and time-consuming. In this study, an ultrasensitive non-enzymatic sensor for the determination of chicoric acid was developed based on the use of an Au@Pt-polyetherimide-reduced graphene oxide (PEI-RGO) nanohybrid-modified glassy carbon electrode. Owing to the considerable conductivity of PEI-functionalized RGO and the efficient electrocatalytic activity of Au@Pt nanoalloys, the designed sensor exhibited a high capacity for chicoric acid measurement, with a low detection limit of 4.8 nM (signal-to-noise ratio of 3) and a broad linear range of four orders of magnitude. With the advantages provided by the synergistic effects of Au@Pt nanocomposites and PEI-RGO, the developed sensor also revealed exceptional electrochemical characteristics, including superior sensitivity, fast response, acceptable long-term stability, and favorable selectivity. This work provides a powerful new platform for the highly accurate measurement of chicoric acid quantities, facilitating further research into its potential as a cancer treatment.
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22
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Balamurugan TST, Chen GZ, Kumaravel S, Lin CM, Huang ST, Lee YC, Chen CH, Luo GR. Electrochemical substrate for active profiling of cellular surface leucine aminopeptidase activity and drug resistance in cancer cells. Biosens Bioelectron 2020; 150:111948. [PMID: 31929085 DOI: 10.1016/j.bios.2019.111948] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/18/2019] [Accepted: 12/02/2019] [Indexed: 11/26/2022]
Abstract
Leucine aminopeptidase (LAP) is an essential proteolytic enzyme and potential biomarker for liver malignancy. Overexpression of LAP is directly linked with some fatal physiological and pathological disorders. In this regard, we have designed an activity based electrochemical substrate leucine-benzyl ferrocene carbamate (Leu-FC) for selective profiling of LAP activity in live cells. In practice, LAP instantaneously hydrolyze the Leu residue of the substrate Leu-FC to eliminate the unmasked electrochemical reporter amino ferrocene via predefined self-immolative cascade. The electrochemical signal is distinctly specific for LAP and free of other electroactive biological interference. The substrate Leu-FC empowered sensor displayed broad dynamic range with admirable detection limits. On top of this, the probe Leu-FC was employed in real-time active profiling of cellular LAP activity in HepG2 cells and effect of LAP inhibitor. In extent, the substrate Leu-FC can effectively monitor cisplatin induced overexpression of LAP activity in HepG2 cells in presence and absence of bestatin. The sensor showcased an excellent reliability towards monitoring cellular LAP activity in HepG2 cells. Unlike the traditional antibody-based immunoassays, our approach is capable of monitoring in-situ activity of LAP in live cells.
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Affiliation(s)
- T S T Balamurugan
- Institute of Biochemical and Biomedical Engineering, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan.
| | - Guan-Zhong Chen
- Institute of Biochemical and Biomedical Engineering, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan.
| | - Sakthivel Kumaravel
- Institute of Biochemical and Biomedical Engineering, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan.
| | - Chun-Mao Lin
- Department of Biochemistry, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.
| | - Sheng-Tung Huang
- Institute of Biochemical and Biomedical Engineering, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan.
| | - Yu-Chieh Lee
- Department of Obstetrics and Gynecology, Taipei Medical University Hospital, Taipei, 11031, Taiwan.
| | - Ching-Hui Chen
- Department of Obstetrics and Gynecology, Taipei Medical University Hospital, Taipei, 11031, Taiwan.
| | - Guo-Rong Luo
- Institute of Biochemical and Biomedical Engineering, Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan.
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23
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Kalluruttimmal R, Thekke Thattariyil D, Panthalattu Parambil A, Sen AK, Chakkumkumarath L, Manheri MK. Electronically-tuned triarylmethine scaffolds for fast and continuous monitoring of H 2S levels in biological samples. Analyst 2019; 144:4210-4218. [PMID: 31188362 DOI: 10.1039/c9an00522f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A sensor for the detection and quantification of H2S in biological samples should ideally meet a set of criteria such as fast detection, high sensitivity in the desired concentration range, high selectivity, non-interference from biomolecules like proteins, ease of synthesis, long-term stability and water solubility. Although a number of H2S probes are known, none of them possess all the above attributes that are relevant for practical applications. As part of a program to develop reliable chemical probes for continuous monitoring of this gasotransmitter in the blood plasma of sepsis-prone individuals in post-operative wards, we have looked at the possibility of improving the reactivity and selectivity profile of triarylmethine dyes towards different nucleophiles. After achieving high sensitivity through electronic control, the interference from sulfite, thiosulfate and metabisulfite was addressed by introducing a metal salt-mediated desulfuration step that results in dye regeneration selectively from its H2S adduct. Typically, if the analyte contains only H2S, the loss of absorbance in the first step gets completely reinstated after the second step; absorbance changes in both steps vary linearly with sulfide concentration and either of these two steps can be used for the quantification of H2S with the help of standard plots. In the presence of interfering ions, the first step will show decolourization due to the presence of all of them whereas only the H2S-adduct will undergo desulfuration in the second step which can be used for quantification. The decolourization step is instantaneous while the desulfuration requires only about 50 s, making the entire protocol complete in less than a minute. The methodology optimized here also meets the requirements mentioned above for real-life applications.
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Affiliation(s)
- Ramshad Kalluruttimmal
- Department of Chemistry, Indian Institute of Technology Madras, Chennai-600036, Tamil Nadu, India.
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24
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Manibalan K, Han S, Zheng Y, Li H, Lin JM. Latent Redox Reporter of 4-Methoxyphenol as Electrochemical Signal Proxy for Real-Time Profiling of Endogenous H 2O 2 in Living Cells. ACS Sens 2019; 4:2450-2457. [PMID: 31448596 DOI: 10.1021/acssensors.9b01049] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Hydrogen peroxide (H2O2) plays a persuasive role in the human cell physiology. Developing an efficient assay platform and a highly sensitive tracking and quantification of H2O2 in a physiological system is crucial to understand the neoplastic changes and/or redox homeostasis of cells. In this study, a novel turn-on latent electrochemical redox probe coupled with electrocatalytic signal amplification strategy is proposed. A custom-made readily available turn-on latent electrochemical probe 4-methoxyphenylboronic acid pinacol ester (4-MPBP) have been designed for the selective detection of endogenous H2O2 in live cells. The electrochemical probe composed of a latent electrochemical reporter (4-methoxy phenol, 4-MP) bearing a recognition unit (boronic acid pinacol ester) for H2O2 sensing. The selective analyte-triggered chemical transformation releases free electrochemical reporter 4-MP. The amount of H2O2 was evaluated electrochemically at glassy carbon electrode (GCE) with a broad detection range of 0.5 μM-1 mM. An amplified signal response of released 4-MP to build a highly sensitive assay tool has been achieved via replacing the GCE transducer electrode with polydopamine@carbonnanotube-molebtinumdisulfie hybrid modified GCE as it delivered an exceptional dynamic detection range of 0.01-100 μM. The innovative blend of electrochemical molecular probe strategy, with electrocatalytic signal amplification technique has delivered outstanding assay performance at trace level sensing of H2O2. Next, we set up a platform for real-time in vivo monitoring of the endogenously produced H2O2 in Caco-2 and MCF-7 cells through spermine-polyamine analogue and phorbol 12-myristate 13-acetate induction in SSAT/PAO gene and protein kinase C, respectively. As expected, the 4-MPBP latent probe coupled with electrocatalytic signal amplification strategy delivered outstanding performance for in situ H2O2 release and tracking over time.
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Affiliation(s)
- Kesavan Manibalan
- Department of Chemistry, Beijing Key Laboratory of Microanalytical Methods and Instrumentation, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing 100084, China
| | - Shuang Han
- Department of Chemistry, Beijing Key Laboratory of Microanalytical Methods and Instrumentation, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing 100084, China
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Yajing Zheng
- Department of Chemistry, Beijing Key Laboratory of Microanalytical Methods and Instrumentation, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing 100084, China
| | - Haifang Li
- Department of Chemistry, Beijing Key Laboratory of Microanalytical Methods and Instrumentation, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing 100084, China
| | - Jin-Ming Lin
- Department of Chemistry, Beijing Key Laboratory of Microanalytical Methods and Instrumentation, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing 100084, China
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25
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Jin X, Zhao S, Wang T, Si L, Liu Y, Zhao C, Zhou H, Leng X, Zhang X. Near-infrared fluorescent probe for selective detection of H2S and its application in living animals. Anal Bioanal Chem 2019; 411:5985-5992. [DOI: 10.1007/s00216-019-01973-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 06/06/2019] [Accepted: 06/11/2019] [Indexed: 10/26/2022]
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26
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Real Time Microwave Biochemical Sensor Based on Circular SIW Approach for Aqueous Dielectric Detection. Sci Rep 2019; 9:5467. [PMID: 30940843 PMCID: PMC6445140 DOI: 10.1038/s41598-019-41702-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 03/03/2019] [Indexed: 01/28/2023] Open
Abstract
In this study, a critical evaluation of analyte dielectric properties in a microvolume was undertaken, using a microwave biochemical sensor based on a circular substrate integrated waveguide (CSIW) topology. These dielectric properties were numerically investigated based on the resonant perturbation method, as this method provides the best sensing performance as a real-time biochemical detector. To validate these findings, shifts of the resonant frequency in the presence of aqueous solvents were compared with an ideal permittivity. The sensor prototype required a 2.5 µL volume of the liquid sample each time, which still offered an overall accuracy of better than 99.06%, with an average error measurement of ±0.44%, compared with the commercial and ideal permittivity values. The unloaded Qu factor of the circular substrate-integrated waveguide (CSIW) sensor achieved more than 400 to ensure a precise measurement. At 4.4 GHz, a good agreement was observed between simulated and measured results within a broad frequency range, from 1 to 6 GHz. The proposed sensor, therefore, offers high sensitivity detection, a simple structural design, a fast-sensing response, and cost-effectiveness. The proposed sensor in this study will facilitate real improvements in any material characterization applications such as pharmaceutical, bio-sensing, and food processing applications.
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27
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Samanta SK, Ali SS, Gangopadhyay A, Maiti K, Pramanik AK, Guria UN, Ghosh A, Datta P, Mahapatra AK. A highly selective ratiometric fluorescent probe for H 2S based on new heterocyclic ring formation and detection in live cells. Supramol Chem 2019. [DOI: 10.1080/10610278.2019.1590573] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Sandip Kumar Samanta
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur,Howrah, India
| | - Syed Samim Ali
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur,Howrah, India
| | - Ankita Gangopadhyay
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur,Howrah, India
| | - Kalipada Maiti
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur,Howrah, India
| | - Ajoy Kumar Pramanik
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur,Howrah, India
| | - Uday Narayan Guria
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur,Howrah, India
| | - Aritri Ghosh
- Centre for Healthcare Science and Technology, Indian Institute of Engineering Science and Technology, Shibpur, India
| | - Pallab Datta
- Centre for Healthcare Science and Technology, Indian Institute of Engineering Science and Technology, Shibpur, India
| | - Ajit Kumar Mahapatra
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur,Howrah, India
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28
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Dou Y, Gu X, Ying S, Zhu S, Yu S, Shen W, Zhu Q. A novel lysosome-targeted fluorogenic probe based on 5-triazole-quinoline for the rapid detection of hydrogen sulfide in living cells. Org Biomol Chem 2019; 16:712-716. [PMID: 29340437 DOI: 10.1039/c7ob02881d] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A fluorogenic probe based on the novel fluorophore 5-triazole-quinoline was developed for the detection of hydrogen sulfide, an endogenous signaling molecule associated with the development of various diseases. The lysosome-targeted probe Lyso-HS was synthesized via C-H direct azidation from 8-aminoquinoline; it was able to detect H2S in 1 min and exhibited excellent turn-on ability with 95-fold fluorescence enhancement based on a new fluorochrome. The high quenching efficiency was further verified using time-dependent density functional theory (TDDFT). The probe also exhibited high selectivity and a low detection limit (as low as 214.5 nM), which has practical applications for disease detection and monitoring.
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Affiliation(s)
- Yandong Dou
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China
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29
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Feng XZ, Ferranco A, Su X, Chen Z, Jiang Z, Han GC. A Facile Electrochemical Sensor Labeled by Ferrocenoyl Cysteine Conjugate for the Detection of Nitrite in Pickle Juice. SENSORS 2019; 19:s19020268. [PMID: 30641921 PMCID: PMC6358730 DOI: 10.3390/s19020268] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 01/03/2019] [Accepted: 01/08/2019] [Indexed: 01/30/2023]
Abstract
Simple and facile electrochemical sensors for nitrite detection were fabricated by directly depositing ferrocenoyl cysteine conjugates Fc[CO-Cys(Trt)-OMe]2 [Fc(Cys)2] or Fc[CO-Glu-Cys-Gly-OH] [Fc-ECG] on screen-printed electrodes (SPEs). The modified carbon electrodes were characterized by scanning electron microscopy (SEM), cyclic voltammetry (CV) and differential pulse voltammetry (DPV). Results indicated that Fc-ECG/SPE sensor showed enhanced current response and a lower overpotential than Fc(Cys)2/SPE sensor for nitrite detection. Optimal operating conditions were estimated for nitrite detection by DPV. The concentration of nitrite showed a good linear relationship with the current response in the range of 1.0–50 μmol·L−1 and with 0.3 μmol·L−1 as the concentration for limit of detection. There were no interferences from most common ions. The development of this electrochemical sensor was used for nitrite detection in pickled juice with a R.S.D. lower than 2.1% and average recovery lower than 101.5%, which indicated that disposable electrochemical sensor system can be applied for rapid and precise nitrite detection in foods.
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Affiliation(s)
- Xiao-Zhen Feng
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry Education, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin 541004, China.
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin 541004, China.
| | - Annaleizle Ferranco
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, Toronto, ON M1C 1A4, Canada.
| | - Xiaorui Su
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin 541004, China.
| | - Zhencheng Chen
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin 541004, China.
| | - Zhiliang Jiang
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry Education, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin 541004, China.
| | - Guo-Cheng Han
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin 541004, China.
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30
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Huo XL, Lu HJ, Xu JJ, Zhou H, Chen HY. Recent advances of ratiometric electrochemiluminescence biosensors. J Mater Chem B 2019; 7:6469-6475. [DOI: 10.1039/c9tb01823a] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Ratiometric electrochemiluminescence (ECL) assays have been widely applied in biosensing because of eliminated outside interferences and improved reliability in detection.
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Affiliation(s)
- Xiao-Lei Huo
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Hai-Jie Lu
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Hong Zhou
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science
- Ministry of Education
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
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Balamurugan TST, Huang CH, Chang PC, Huang ST. Electrochemical Molecular Switch for the Selective Profiling of Cysteine in Live Cells and Whole Blood and for the Quantification of Aminoacylase-1. Anal Chem 2018; 90:12631-12638. [PMID: 30350617 DOI: 10.1021/acs.analchem.8b02799] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A first-of-a-kind latent electrochemical redox probe, ferrocene carbamate phenyl acrylate (FCPA), was developed for the selective detection of cysteine (Cys) and aminoacylase (ACY-1). The electrochemical signal generated by this probe was shown to be highly specific to Cys and insensitive to other amino acids and biological redox reactants. The FCPA-incorporated electrochemical sensor exhibited a broad dynamic range of 0.25-100 μM toward Cys. This probe also proficiently monitored the ACY-1-catalyzed biochemical transformation of N-acetylcysteine (NAC) into Cys, and this proficiency was used to develop an electrochemical assay for quantifying active ACY-1, which it did so in a dynamic range of 10-200 pM (0.1-2 mU/cm3) with a detection limit of 1 pM (0.01 mU/cm3). Furthermore, the probe was utilized in real-time tracking and quantification of cellular Cys production, specifically in Escherichia coli W3110, along with a whole blood assay to determine levels of Cys and spiked ACY-1 in blood with a reliable analytical performance.
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Affiliation(s)
- T S T Balamurugan
- Department of Chemical Engineering and Biotechnology , National Taipei University of Technology , Taipei 106 , Taiwan.,Institute of Biochemical and Biomedical Engineering , National Taipei University of Technology , Taipei 106 , Taiwan
| | - Chih-Hung Huang
- Department of Chemical Engineering and Biotechnology , National Taipei University of Technology , Taipei 106 , Taiwan.,Institute of Biochemical and Biomedical Engineering , National Taipei University of Technology , Taipei 106 , Taiwan
| | - Pu-Chieh Chang
- Department of Chemical Engineering and Biotechnology , National Taipei University of Technology , Taipei 106 , Taiwan.,Institute of Biochemical and Biomedical Engineering , National Taipei University of Technology , Taipei 106 , Taiwan
| | - Sheng-Tung Huang
- Department of Chemical Engineering and Biotechnology , National Taipei University of Technology , Taipei 106 , Taiwan.,Institute of Biochemical and Biomedical Engineering , National Taipei University of Technology , Taipei 106 , Taiwan
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Zhao Y, Yang Y, Cui L, Zheng F, Song Q. Electroactive Au@Ag nanoparticles driven electrochemical sensor for endogenous H2S detection. Biosens Bioelectron 2018; 117:53-59. [DOI: 10.1016/j.bios.2018.05.047] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 05/14/2018] [Accepted: 05/25/2018] [Indexed: 12/11/2022]
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Gandhi M, Rajagopal D, Parthasarathy S, Raja S, Huang ST, Senthil Kumar A. In Situ Immobilized Sesamol-Quinone/Carbon Nanoblack-Based Electrochemical Redox Platform for Efficient Bioelectrocatalytic and Immunosensor Applications. ACS OMEGA 2018; 3:10823-10835. [PMID: 30320253 PMCID: PMC6173515 DOI: 10.1021/acsomega.8b01296] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Accepted: 08/22/2018] [Indexed: 05/22/2023]
Abstract
Most of the common redox mediators such as organic dyes and cyanide ligand-associated metal complex systems that have been used for various electrochemical applications are hazardous nature. Sesamol, a vital nutrient that exists in natural products like sesame seeds and oil, shows several therapeutic benefits including anticancer, antidiabetic, cardiovascular protective properties, etc. Herein, we introduce a new electrochemical redox platform based on a sesamol derivative, sesamol-quinone (Ses-Qn; oxidized sesamol), prepared by the in situ electrochemical oxidation method on a carbon nanoblack chemically modified glassy carbon electrode surface (GCE/CB@Ses-Qn) in pH 7 phosphate buffer solution, for nontoxic and sustainable electrochemical, electroanalytical, and bioelectroanalytical applications. The new Ses-Qn-modified electrode showed a well-defined redox peak at E o = 0.1 V vs Ag/AgCl without any surface-fouling behavior. Following three representative applications were demonstrated with this new redox system: (i) simple and quick estimation of sesamol content in the natural herbal products by electrochemical oxidation on GCE/CB followed by analyzing the oxidation current signal. (ii) Utilization of the GCE/CB@Ses-Qn as a transducer, bioelectrocatalytic reduction, and sensing of H2O2 after absorbing the horseradish peroxidase (HRP)-based enzymatic system on the underlying surface. The biosensor showed a highly selective H2O2 signal with current sensitivity and detection limit values 0.1303 μA μM-1 and 990 nM, respectively, with tolerable interference from the common biochemicals like dissolved oxygen, cysteine, ascorbic acid, glucose, xanthine, hypoxanthine, uric acid, and hydrazine. (iii) Electrochemical immunosensing of white spot syndrome virus by sequentially modifying primary antibody, antigen, secondary antibody (HRP-linked), and bovine serum albumin on the redox electrode, followed by selective bioelectrochemical detection of H2O2.
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Affiliation(s)
- Mansi Gandhi
- Nano
and Bioelectrochemistry Research Laboratory, Department of Chemistry,
School of Advanced Sciences, Carbon dioxide Research and Green Technology
Centre, and Aquaculture Biotechnology Laboratory, Department of Integrative Biology,
School of Biosciences and Technology, Vellore
Institute of Technology, Vellore 632014, India
| | - Desikan Rajagopal
- Nano
and Bioelectrochemistry Research Laboratory, Department of Chemistry,
School of Advanced Sciences, Carbon dioxide Research and Green Technology
Centre, and Aquaculture Biotechnology Laboratory, Department of Integrative Biology,
School of Biosciences and Technology, Vellore
Institute of Technology, Vellore 632014, India
- Burnett
School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida 32827, United States
- E-mail: , . Phone: +1-407
590 3978, +91-416-2202330 (D.R.)
| | - Sampath Parthasarathy
- Burnett
School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida 32827, United States
| | - Sudhakaran Raja
- Nano
and Bioelectrochemistry Research Laboratory, Department of Chemistry,
School of Advanced Sciences, Carbon dioxide Research and Green Technology
Centre, and Aquaculture Biotechnology Laboratory, Department of Integrative Biology,
School of Biosciences and Technology, Vellore
Institute of Technology, Vellore 632014, India
| | - Sheng-Tung Huang
- Institute
of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan, ROC
| | - Annamalai Senthil Kumar
- Nano
and Bioelectrochemistry Research Laboratory, Department of Chemistry,
School of Advanced Sciences, Carbon dioxide Research and Green Technology
Centre, and Aquaculture Biotechnology Laboratory, Department of Integrative Biology,
School of Biosciences and Technology, Vellore
Institute of Technology, Vellore 632014, India
- Institute
of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan, ROC
- E-mail: , . Phone: +91-416-2202754 (A.S.K.)
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Lin Y, Wang J, Luo F, Guo L, Qiu B, Lin Z. Highly reproducible ratiometric aptasensor based on the ratio of amplified electrochemiluminescence signal and stable internal reference electrochemical signal. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.07.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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35
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Zhang S, Lin B, Yu Y, Cao Y, Guo M, Shui L. A ratiometric nanoprobe based on silver nanoclusters and carbon dots for the fluorescent detection of biothiols. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 195:230-235. [PMID: 29414583 DOI: 10.1016/j.saa.2018.01.078] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 01/24/2018] [Accepted: 01/30/2018] [Indexed: 06/08/2023]
Abstract
Ratiometric fluorescent probes could eliminate the influence from experimental factors and improve the detection accuracy. In this article, a ratiometric nanoprobe was constructed based on silver nanoclusters (AgNCs) with nitrogen-doped carbon dots (NCDs) and used for the detection of biothiols. The fluorescence peak of AgNCs was observed at 650nm with excitation wavelength at 370nm. In order to construct the ratiometric fluorescent probe, NCDs with the excitation and emission wavelengths at 370nm and 450nm were selected. After adding AgNCs, the fluorescence of NCDs was quenched. The mechanism of the fluorescence quenching was studied by fluorescence, UV-Vis absorption and the fluorescence lifetime spectra. The results indicated that the quenching could be ascribed to the inner filter effect (IFE). With the addition of biothiols, the fluorescence of AgNCs at 650nm decreased due to the breakdown of AgNCs, and the fluorescence of NCDs at 450nm recovered accordingly. Thus, the relationship between the ratio of the fluorescence intensities (I450/I650) and biothiol concentration was used to establish the determination method for biothiols. Cysteine (Cys) was taken as the model of biothiols, and the working curve for Cys was I450/I650=0.60CCys-1.86 (CCys: μmol/L) with the detection limit of 0.14μmol/L (S/N=3). Then, the method was used for the detection of Cys in human urine and serum samples with satisfactory accuracy and recovery ratios. Furthermore, the probe could be applied for the visual semi-quantitative determination of Cys by naked eyes.
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Affiliation(s)
- Shuming Zhang
- Key Laboratory of Analytical Chemistry for Biomedicine (Guangzhou), School of Chemistry and Environment, South China Normal University, Guangzhou, Guangdong 510006, PR China
| | - Bixia Lin
- Key Laboratory of Analytical Chemistry for Biomedicine (Guangzhou), School of Chemistry and Environment, South China Normal University, Guangzhou, Guangdong 510006, PR China
| | - Ying Yu
- Key Laboratory of Analytical Chemistry for Biomedicine (Guangzhou), School of Chemistry and Environment, South China Normal University, Guangzhou, Guangdong 510006, PR China.
| | - Yujuan Cao
- Key Laboratory of Analytical Chemistry for Biomedicine (Guangzhou), School of Chemistry and Environment, South China Normal University, Guangzhou, Guangdong 510006, PR China
| | - Manli Guo
- Key Laboratory of Analytical Chemistry for Biomedicine (Guangzhou), School of Chemistry and Environment, South China Normal University, Guangzhou, Guangdong 510006, PR China
| | - Lingling Shui
- South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, Guangdong 510006, PR China
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Bai X, Xu S, Wang L. Full-Range pH Stable Au-Clusters in Nanogel for Confinement-Enhanced Emission and Improved Sulfide Sensing in Living Cells. Anal Chem 2018; 90:3270-3275. [DOI: 10.1021/acs.analchem.7b04785] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Xilin Bai
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Suying Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Leyu Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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37
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Yang L, Zhao J, Yu X, Zhang R, Han G, Liu R, Liu Z, Zhao T, Han MY, Zhang Z. Dynamic mapping of spontaneously produced H2S in the entire cell space and in live animals using a rationally designed molecular switch. Analyst 2018; 143:1881-1889. [DOI: 10.1039/c7an01802a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A rationally designed molecular switch created to detect and dynamically map spontaneous production of H2S in whole cells and the organs of live zebrafish.
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38
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Meka RK, Heagy MD. Selective Modulation of Internal Charge Transfer and Photoinduced Electron Transfer Processes in N-Aryl-1,8-Naphthalimide Derivatives: Applications in Reaction-Based Fluorogenic Sensing of Sulfide. J Org Chem 2017; 82:12153-12161. [DOI: 10.1021/acs.joc.7b01952] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ranjith K. Meka
- Department of Chemistry, New Mexico Institute of Mining & Technology, Socorro, New Mexico 87801, United States
| | - Michael D. Heagy
- Department of Chemistry, New Mexico Institute of Mining & Technology, Socorro, New Mexico 87801, United States
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