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Liang Y, Li H, Xu N, Zhu J, Wu X, Wang Y. Preparation of arsenic(III) monoclonal antibodies and preliminary evaluation of a novel silver-coated gold nanorod SERS immunoassay strip construction. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:5823-5836. [PMID: 37870766 DOI: 10.1039/d3ay01205k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
Heavy metal pollution has become a growing concern in industrial, agricultural, and manufacturing processes, posing a significant threat to human health. Among these heavy metals, arsenic (As) is highly toxic and shares similar chemical properties and environmental behavior with other heavy metals. As(III) is particularly toxic compared to other forms of arsenic. Therefore, it is essential to develop a real-time, rapid, and sensitive method for the determination of As(III). In this study, we employed a unique bifunctional chelator, 1-(4-isothiocyanobenzyl)-ethylenediamine N,N,N',N'-tetraacetic acid (ITCBE), to prepare a complete antigen. Through a series of tests including balb/c mouse immunization, cell fusion (mouse L2041 spleen cells with mouse myeloma cells SP2/0), and subcloning, we generated four monoclonal cell lines (1C1, 2C2, 3A9, and 4A11). These cell lines demonstrated high purity, high affinity, and IC50 values of less than 50 μg mL-1. Monoclonal antibody 4A11, which exhibited a strong Raman signal, was selected as the probe, and Au@Ag 200 was utilized as the surface-enhanced Raman scattering (SERS) substrate for the preliminary establishment of SERS immunochromatographic test strips. The sensitivity of the SERS immunochromatographic test strips, measured through Raman signal detection, showed a significant improvement compared to the SERS immunochromatographic test strips analyzed by colorimetry (LOD = 49.43 μg mL-1 and LDR = 5.32-81.31 μg mL-1). The SERS immunochromatographic test strips achieved a LOD of 7.62 μg mL-1 and an LDR of 12.66-71.84 μg mL-1. This study presents innovative methodologies for the rapid detection of As(III) using SERS immunochromatographic test strips.
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Affiliation(s)
- Yi Liang
- Institute of Engineering Food, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Hao Li
- Institute of Engineering Food, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Naifeng Xu
- Institute of Engineering Food, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Jiangxiong Zhu
- Institute of Engineering Food, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Xiaobin Wu
- Institute of Engineering Food, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China.
| | - Yuanfeng Wang
- Institute of Engineering Food, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China.
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Li MX, Kang KW, Huang M, Cheng R, Wang W, Gao J, Wang J. Simple and rapid detection of tyrosinase activity with the adjustable light scattering properties of CoOOH nanoflakes. Anal Bioanal Chem 2023:10.1007/s00216-023-04710-x. [PMID: 37171584 DOI: 10.1007/s00216-023-04710-x] [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: 02/11/2023] [Revised: 03/18/2023] [Accepted: 03/28/2023] [Indexed: 05/13/2023]
Abstract
Tyrosinase (TYR), as an important biological enzyme, has been widely used in synthetic biology, medical hairdressing, environmental detection, biological sensors, and other fields. In clinical practice, tyrosinase activity is an important indicator for detecting melanoma. Therefore, the detection of tyrosinase activity is of great importance. Based on the polyphenol oxidase activity of tyrosinase, a simple and rapid detection method was proposed based on the adjustable light scattering properties of cobalt hydroxyl oxide nanoflakes (CoOOH NFs). It was found that the amount and size of CoOOH NFs decreased due to the redox reaction mediated by catechol (CC), resulting in a lower light scattering signal of CoOOH NFs. However, in the presence of tyrosinase, catechol was oxidized to a quinone structure, resulting in the reduced decomposition of CoOOH NFs and recovered light scattering signal, which was developed for the quantitative detection of tyrosinase activity. It was found that in the range of 10-400 U/L, the light scattering intensity was correlated linearly with tyrosinase activity, and the limit of detection was 6.71 U/L (3σ/k). To verify the feasibility of the proposed method in clinical samples, the spiked recovery experiments were carried out with human serum samples, which showed recovery rates between 93.0% and 104.6%, suggesting the high accuracy. The proposed assay provides a simple and rapid method for detection of a natural enzyme based on the adjustable light scattering properties of CoOOH nanoflakes, which lays the foundation for the development of various enzyme sensing applications in the future.
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Affiliation(s)
- Meng Xiao Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, People's Republic of China
| | - Kai Wen Kang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, People's Republic of China
| | - Min Huang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, People's Republic of China
| | - Ru Cheng
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, People's Republic of China
| | - Wei Wang
- The People's Hospital of Qingdao West Coast New Area, Qingdao, Shandong, 266499, People's Republic of China
| | - Jie Gao
- Department of Biological and Chemical Engineering, Chongqing University of Education, Chongqing, 400067, People's Republic of China
| | - Jian Wang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, People's Republic of China.
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Tavallali H, Parhami A, Rajaei Dastghaib S, Karimi MA. A novel and simple naphthol azo dye chemosensor as a naked eye detection tool for highly selective, sensitive and accurate determination of thiourea in tap water, juices and fruit skins. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 289:122194. [PMID: 36512963 DOI: 10.1016/j.saa.2022.122194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 11/22/2022] [Accepted: 11/26/2022] [Indexed: 06/17/2023]
Abstract
In the present study, a highly accurate and sensitive azo-dye-based colorimetric sensor based on Eriochrome Black T (EBT) was proposed to detect and determine thiourea (TU). TU is truly an important toxic and carcinogenic hazardous pollutant as approved by EPA and IARC. This chemosensor shows a distinct color change from blue to pink during interaction with TU in aqueous medium. So EBT is capable as an applied tool for naked eye detection of TU as its color change is easily observed without any means. The sensing mechanism was also investigated using UV-vis absorption and FT-IR spectra. The linear range and the detection limit of TU sensing were respectively 0.15-18.5 μmol/L and 0.02 μmol/L. In addition, the relative standard deviation (RSD) based on ten repetitions calculated for two different TU concentrations 4.4 and 9.0 μmol/L were 2.3 % and 1.8 %, respectively. Besides its useful application as a naked eye detection tool, the advantages of the developed method include simplicity, elimination of tedious separation and pre-concentration steps, executable in neutral aqueous media, low costs, high accuracy, linear response for wide range of concentrations, low detection limit, high sensitivity, compatibility, and excellent selectivity. The concentration of TU in tap water, fruit juices or fruit skin samples can be visually detected and determined easily using this method. The results showed that EBT is an ideal colorimetric chemosensor for TU, which has been reported for the first time.
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Affiliation(s)
- Hossein Tavallali
- Department of Chemistry, Payame Noor University, 19395-4697 Tehran, Islamic Republic of Iran.
| | - Abolfath Parhami
- Department of Chemistry, Payame Noor University, 19395-4697 Tehran, Islamic Republic of Iran
| | - Shiva Rajaei Dastghaib
- Department of Chemistry, Payame Noor University, 19395-4697 Tehran, Islamic Republic of Iran
| | - Mohammad Ali Karimi
- Department of Chemistry, Payame Noor University, 19395-4697 Tehran, Islamic Republic of Iran
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Ndugire W, Truong D, Hasitha Raviranga NG, Lao J, Ramström O, Yan M. Turning on the Antimicrobial Activity of Gold Nanoclusters Against Multidrug-Resistant Bacteria. Angew Chem Int Ed Engl 2023; 62:e202214086. [PMID: 36642692 PMCID: PMC10356176 DOI: 10.1002/anie.202214086] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/05/2023] [Accepted: 01/12/2023] [Indexed: 01/17/2023]
Abstract
In this work, we show that the addition of thiourea (TU) initiated broad-spectrum antimicrobial activity of otherwise inactive D-maltose-capped gold nanoclusters (AuNC-Mal). For example, AuNC-Mal/TU was effective against multidrug-resistant Pseudomonas aeruginosa with a minimum inhibitory concentration (MIC) of 1 μg mL-1 (2.5 μM [Au]) while having 30-60 times lower in vitro cytotoxicity against mammalian cells. The reaction of AuNC-Mal and TU generated the antimicrobial species of [Au(TU)2 ]+ and smaller AuNCs. TU increased the accumulation of Au in bacteria and helped maintain the oxidation state as AuI (vs. AuIII ). The modes of action included the inhibition of thioredoxin reductase, interference with the CuI regulation and depletion of ATP. Moreover, the antimicrobial activity did not change in the presence of colistin or carbonyl cyanide 3-chlorophenylhydrazone, suggesting that AuNC-Mal/TU was indifferent to the outer membrane barrier and to bacterial efflux pumps.
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Affiliation(s)
- William Ndugire
- Department of Chemistry, University of Massachusetts Lowell, One University Ave., Lowell, MA-01854, USA
| | - Dang Truong
- Department of Chemistry, University of Massachusetts Lowell, One University Ave., Lowell, MA-01854, USA
| | - N G Hasitha Raviranga
- Department of Chemistry, University of Massachusetts Lowell, One University Ave., Lowell, MA-01854, USA
| | - Jingzhe Lao
- Department of Chemistry, University of Massachusetts Lowell, One University Ave., Lowell, MA-01854, USA
| | - Olof Ramström
- Department of Chemistry, University of Massachusetts Lowell, One University Ave., Lowell, MA-01854, USA
- Department of Chemistry and Biomedical Sciences, Linnaeus University, 39182, Kalmar, Sweden
| | - Mingdi Yan
- Department of Chemistry, University of Massachusetts Lowell, One University Ave., Lowell, MA-01854, USA
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Inhibition to dual enzyme-like activities of Ag/CeO2 nanozymes for the detection of thiourea. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chandrakar V, Tapadia K, Gupta SK. Greener approach for gold nanoparticles synthesis from fruit peel extract of Manilkara zapota: a fluorometric assay for determination of thiourea. INORG NANO-MET CHEM 2022. [DOI: 10.1080/24701556.2022.2081203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2022]
Affiliation(s)
- Varsha Chandrakar
- Department of Chemistry, National Institute of Technology, Raipur, India
| | - Kavita Tapadia
- Department of Chemistry, National Institute of Technology, Raipur, India
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The restructure of Au@Ag nanorods for cell imaging with dark-field microscope. Talanta 2022; 244:123403. [PMID: 35349839 DOI: 10.1016/j.talanta.2022.123403] [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: 12/31/2021] [Revised: 03/18/2022] [Accepted: 03/22/2022] [Indexed: 11/22/2022]
Abstract
The facile and noninjurious image of cells with high resolution and low toxicity is essential since imaging can offer rich and direct information and insights into metabolic activities, clinical diagnosis, drug delivery and cancer therapy. In this contribution, a smart imaging probe was employed as a contrast agent for dark-field cell imaging. Au core/Ag shell nanorods (Au@Ag NRs) that characterized by X-ray diffraction and X-ray photoelectron spectroscopy, formed Au@Ag@AgI NRs when exposed to iodine, which greatly enhanced the light scattering of nanorods. Herein, the silver shell acted as the response element for iodine as well as the protective agent for Au core. When conjugated with folate, the nanorods can be used to image human cervical cancer cells (HeLa cells) under a dark-field microscope. Nanorods were demonstrated with excellent tumor cellular uptake ability without obvious cytotoxicity, making them ideal candidates in biosensing and bioimaging applications.
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Saqib M, Bashir S, Ali S, Hao R. Highly selective and sensitive detection of mercury (II) and dopamine based on the efficient electrochemiluminescence of Ru(bpy)32+ with acridine orange as a coreactant. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2021.115896] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Gold nanorods etching as a powerful signaling process for plasmonic multicolorimetric chemo-/biosensors: Strategies and applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213934] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Zhu LN, Cheng R, Kang KW, Chen MY, Zhan T, Wang J. Size-dependent light scattering of CoOOH nanoflakes for convenient and sensitive detection of alkaline phosphatase in human serum. LUMINESCENCE 2021; 36:1317-1326. [PMID: 33870595 DOI: 10.1002/bio.4059] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/13/2021] [Accepted: 04/14/2021] [Indexed: 01/05/2023]
Abstract
As a natural enzyme, alkaline phosphatase (ALP) plays an essential role in clinicopathological examinations and biomedical research, and is capable of hydrolyzing the phosphate group of l-ascorbic acid-2-phosphate (AAP) to yield l-ascorbic acid (L-AA). L-AA reduced cobalt oxyhydroxide (CoOOH) nanoflakes to Co2+ , leading to a smaller size and weaker light scattering, which could be monitored by electron microscopic images and optical spectra. The indirect detection of ALP was achieved by the reduced light scattering signal of CoOOH nanoflakes. Under optimal conditions, the decrease in scattering intensity was proportional to the ALP concentration over the range 0.1-160 U/L and the detection limit was 0.034 U/L (3σ/k). Compared with other assays, this proposed light scattering method was more convenient and economic for ALP sensing. The method was successfully applied to ALP analysis in human serum samples, and was similar to the results obtained by commercial kits.
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Affiliation(s)
- Lu Ning Zhu
- Ministry of Education, Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Chongqing, China.,Chongqing Science and Technology Bureau, Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Chongqing, China.,College of Pharmaceutical Sciences, Southwest University, Chongqing, China
| | - Ru Cheng
- Ministry of Education, Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Chongqing, China.,Chongqing Science and Technology Bureau, Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Chongqing, China.,College of Pharmaceutical Sciences, Southwest University, Chongqing, China
| | - Kai Wen Kang
- Ministry of Education, Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Chongqing, China.,Chongqing Science and Technology Bureau, Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Chongqing, China.,College of Pharmaceutical Sciences, Southwest University, Chongqing, China
| | - Ming Yun Chen
- Ministry of Education, Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Chongqing, China.,Chongqing Science and Technology Bureau, Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Chongqing, China.,College of Pharmaceutical Sciences, Southwest University, Chongqing, China
| | - Tianrong Zhan
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, China
| | - Jian Wang
- Ministry of Education, Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Chongqing, China.,Chongqing Science and Technology Bureau, Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Chongqing, China.,College of Pharmaceutical Sciences, Southwest University, Chongqing, China
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