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Lee JE, Chang JY, Shim WB. Multiplex fluorescence loop-mediated isothermal amplification with lateral flow assay for rapid simultaneous detection of mecA and nuc genes in methicillin-resistant Staphylococcus aureus. Anal Chim Acta 2024; 1319:342984. [PMID: 39122282 DOI: 10.1016/j.aca.2024.342984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Accepted: 07/15/2024] [Indexed: 08/12/2024]
Abstract
BACKGROUND Antibiotic-resistant bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA), pose a significant threat to public health. Existing detection methods, like cultivation-based techniques, demand significant time and labor, while molecular diagnostic techniques, such as PCR, necessitate sophisticated instrumentation and skilled personnel. Although previous multiplex loop-mediated isothermal amplification assays based on fluorescent dyes (mfLAMP) offer simplicity and cost-effectiveness, they are prone to false-positive results. Therefore, developing a rapid and efficient multiplex assay for high-sensitivity MRSA is imperative to create a practical diagnostic tool for point-of-care testing. RESULTS Here, we developed a mfLAMP combined with a lateral flow assay (mfLAMP-LFA) for the visual and simultaneous detection of the mecA (PBP2a-specific marker) and nuc (S. aureus-specific marker) genes in MRSA. We optimized mfLAMP-LFA using graphene oxide (GO)-based purification and specific DNA probes and evaluated its sensitivity, specificity, and stability. Utilizing GO to mitigate false-positive results by acting as a trap for free DNA probes, the mfLAMP-LFA method successfully identified mecAf and nucf-probes, exhibiting distinct red, green, and yellow fluorescence signals. The detection sensitivity of the developed mfLAMP-LFA method (1 CFU mL-1 in phosphate-buffered saline (PBS)) was comparable to other highly sensitive MRSA detection methods (1 CFU mL-1 in PBS). Furthermore, the method demonstrated specificity for MRSA, detecting it in irrigation water samples within the desired range and achieving reliable recovery rates from spiked samples. SIGNIFICANCE This novel strategy is the first to incorporate GO into mfLAMP-LFA, enabling specific and sensitive MRSA detection and advancing rapid bacterial detection. This assay facilitates MRSA diagnostics, contributing to improved public health and food safety by delivering rapid, cost-effective point-of-care results. It enables the simultaneous detection of multiple bacteria, even in irrigation water samples artificially inoculated with MRSA, which contain aerobic bacteria at 2.7 × 102 CFU mL-1.
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Affiliation(s)
- Jeong-Eun Lee
- Institute for Smart Farm, Gyeongsang National University, Jinju, Gyeongnam, 52828, South Korea
| | - Ji Yoon Chang
- Division of Applied Life Science (BK21), Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, Gyeongnam, 52828, South Korea; Division of Food Science and Technology, Gyeongsang National University, Jinju, Gyeongnam, 52828, South Korea
| | - Won-Bo Shim
- Institute for Smart Farm, Gyeongsang National University, Jinju, Gyeongnam, 52828, South Korea; Division of Food Science and Technology, Gyeongsang National University, Jinju, Gyeongnam, 52828, South Korea.
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2
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Kong Y, Qin G, Liu Z, Cheng L, Wang C, Wu F, Wu R, Wang Q, Cao D. Novel thiomaleimide-based fluorescent probe with aggregation-induced emission for detecting H 2S. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 323:124922. [PMID: 39096671 DOI: 10.1016/j.saa.2024.124922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/28/2024] [Accepted: 07/30/2024] [Indexed: 08/05/2024]
Abstract
It has been well established that Hydrogen sulfide (H2S) is involved in various pathophysiological processes. Therefore, accurate monitoring H2S levels in vitro or vivo is of great significance in biological systems. Herein, we firstly developed a thiomaleimide-based compound MAL-1 bearing aggregation-induced emission characteristic for selective response toward H2S due to its nucleophilicity. The proposed sensor presented prominent sensitivity and selectivity with low detection limit of 75 nM and pseudo-first-order reaction rate constant of 9.65 × 10-2 s-1, as well as low cytotoxicity which works well in recognizing H2S in real samples and visualizing H2S in living cells. Thus, it could be concluded that the novel thiomaleimide-based probe would be a promising tool for assessing intracellular H2S levels.
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Affiliation(s)
- Yaqiong Kong
- Engineering Technology Center of Department of Education of Anhui Province, College of Chemistry and Materials Engineering, Chaohu University, Chaohu 238024, PR China
| | - Guoxu Qin
- Engineering Technology Center of Department of Education of Anhui Province, College of Chemistry and Materials Engineering, Chaohu University, Chaohu 238024, PR China
| | - Zhijun Liu
- Engineering Technology Center of Department of Education of Anhui Province, College of Chemistry and Materials Engineering, Chaohu University, Chaohu 238024, PR China
| | - Lehua Cheng
- Engineering Technology Center of Department of Education of Anhui Province, College of Chemistry and Materials Engineering, Chaohu University, Chaohu 238024, PR China
| | - Chunyu Wang
- School of Biological and Environmental Engineering, Chaohu University, Chaohu 238024, PR China
| | - Fengyi Wu
- Engineering Technology Center of Department of Education of Anhui Province, College of Chemistry and Materials Engineering, Chaohu University, Chaohu 238024, PR China
| | - Rong Wu
- Engineering Technology Center of Department of Education of Anhui Province, College of Chemistry and Materials Engineering, Chaohu University, Chaohu 238024, PR China.
| | - Qian Wang
- Department of Radiation Oncology, China-Japan Union Hospital of Jilin University, Changchun 130000, PR China.
| | - Duojun Cao
- Engineering Technology Center of Department of Education of Anhui Province, College of Chemistry and Materials Engineering, Chaohu University, Chaohu 238024, PR China.
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3
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Gu Y, Zhao T, Sun B, Zhang Y, Zhang Q, Xu G, Yu C. Integrated gold nanorods-based dual-signal platform for accurate total antioxidant capacity assessment in food samples. Talanta 2024; 280:126650. [PMID: 39128310 DOI: 10.1016/j.talanta.2024.126650] [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: 03/21/2024] [Revised: 07/24/2024] [Accepted: 07/30/2024] [Indexed: 08/13/2024]
Abstract
Accurate assessment of Total Antioxidant Capacity (TAC) in food is crucial for evaluating nutritional quality and potential health benefits. This study aims to enhance the sensitivity and reliability of TAC detection through a dual-signal method, combining colorimetric and photothermal signals. Gold nanorods (AuNRs) were utilized to establish a dual-signal method duo to the colorimetric and photothermal properties. Fenton reaction can etch the AuNRs from the tips, as a result, a blue shift in the longitudinal LSPR absorption peak was obtained, leading to significant changes in color and photothermal effects, facilitating discrimination through both visual observation and thermometer measurements. In the presence of antioxidants, the Fenton reaction was suppressed or inhibited, protecting the AuNRs from etching. The colorimetric and photothermal signals were therefore positively correlated with TAC levels, enabling dual-signal detection of TAC. The linear range of AA was 4-100 μM in both colorimetry and photothermal modes, with detection limits of 1.60 μM and 1.38 μM, respectively. This dual-signal approach achieves low detection limits, enhancing precision and sensitivity. The method thus has the potential to act as a promising candidate for TAC detection in food samples, contributing to improved food quality and safety assessment.
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Affiliation(s)
- Yuwei Gu
- College of Science, Hebei Agricultural University, Baoding, 071001, PR China
| | - Tengfei Zhao
- Lucky Healthcare Limited Liability Company, Baoding, 071054, PR China
| | - Bo Sun
- College of Mechanical and Electrical Engineering, Hebei Agricultural University, Baoding, 071001, PR China
| | - Yunyi Zhang
- College of Science, Hebei Agricultural University, Baoding, 071001, PR China.
| | - Qingfeng Zhang
- College of Science and Technology, Hebei Agricultural University, Cangzhou, 061100, Hebei, PR China.
| | - Guangcai Xu
- College of Science, Hebei Agricultural University, Baoding, 071001, PR China
| | - Cong Yu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, PR China; University of Science and Technology of China, Hefei, 230026, PR China.
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4
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Fang L, Li J, Lin W, Zeng L, Yu L, Chen Z, Shen J, Chen Y, Chen Z, Lin Z. One-Step Synthesis of Chitosan Hydrogel as Electrochemical Chemosensor for Hydrogen Sulfide Detection in Pregnancy-Induced Hypertension Syndrome Serum Sample. ChemistryOpen 2024:e202400107. [PMID: 38837681 DOI: 10.1002/open.202400107] [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: 03/31/2024] [Revised: 05/02/2024] [Indexed: 06/07/2024] Open
Abstract
Oxidative stress caused by pregnancy-induced hypertension syndrome significantly affects the health of pregnant women. Hydrogen sulfide is a typical gaseous signal molecule against oxidative stress, and it is of profound significance to develop a detection method. In this study, a stimuli-responsive hydrogel was constructed based on the coordination and bonding principle of metal ions and chitosan (CS) to realize the quantitative detection of hydrogen sulfide (H2S). The chain of CS contains a large number of amino groups and hydroxyl groups, which can form the coordination structure with Cu2+, triggering CS to form a stable hydrogel. The hydrogel can be formed within about 5 s, which has the characteristics of rapid preparation. In the presence of target H2S, the cross-linking agent Cu2+ in the hydrogel can compete out, resulting in the collapse of the hydrogel and the release of the electrochemical probe. By detecting the concentration of the released electrochemical probe, the quantitative detection of H2S can be achieved. The prepared hydrogel has a good linear relationship with the concentration of H2S from 1 μM to 60 μm. At the same time, the hydrogel has good specificity and stability, and it can be applied to the detection of H2S in serum samples.
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Affiliation(s)
- Lishan Fang
- Department of obstetrics, Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Jinqiu Li
- Central laboratory, Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Wei Lin
- Central laboratory, Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Lili Zeng
- Department of rehabilitation medicine, Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Liumin Yu
- Central laboratory, Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Zhanfei Chen
- Central laboratory, Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Jianlin Shen
- Central laboratory, Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Yu Chen
- Central laboratory, Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Zhonghui Chen
- Central laboratory, Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Zhenyu Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Department of Chemistry, Fuzhou University, Fuzhou, 350116, China
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5
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Tang J, Liu J, Wang F, Yao Y, Hu R. Colorimetric and photothermal dual-mode aptasensor with redox cycling amplification for the detection of ochratoxin A in corn samples. Food Chem 2024; 439:137968. [PMID: 38043279 DOI: 10.1016/j.foodchem.2023.137968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/15/2023] [Accepted: 11/09/2023] [Indexed: 12/05/2023]
Abstract
Ochratoxin A (OTA) detection is critical for public health safety. This study proposes a G-quadruplex-Hemin/iodide (G4-Hemin/I-)-mediated non-enzyme redox cycling amplification (RCA) system for dual-modal (colorimetric and photothermal thermometer) OTA analysis. The proposed aptasensor platform for point-of-care testing employs a common thermometer for quantitative signal readouts. The OTA aptamer folds into a G4 structure, which significantly enhances the catalytic activity in the presence of I- after RCA reaction. Moreover, a notable temperature enhancement causes color changes, providing an ultrasensitive and label-free platform for OTA detection. Further, the designed sensor was applied to OTA content determination in corn samples and achieved satisfactory results compared to a commercial enzyme-linked immunoassay kit. The proposed dual-mode aptasensor is simple, highly sensitive (1 pg/mL for colorimetric method, 0.8 pg/mL for photothermal method), selective, and suitable for low-cost instrument-free bioanalysis in low-resource settings.
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Affiliation(s)
- Jian Tang
- National Engineering Research Center of Vacuum Metallurgy, Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China
| | - Jiali Liu
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, China
| | - Fupeng Wang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, China
| | - Yaochun Yao
- National Engineering Research Center of Vacuum Metallurgy, Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China.
| | - Rong Hu
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, China.
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Huang Y, Cai H, Lin Y, Luo F, Lin C, Wang J, Qiu B, Lin Z. Charge Density-Regulated Microchannel-Based Electrochemiluminescence Sensor for Hydrogen Sulfide Detection with a Highly Efficient Accumulation Strategy. Anal Chem 2024; 96:5251-5257. [PMID: 38512289 DOI: 10.1021/acs.analchem.3c05903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
The electrochemiluminescence (ECL) intensity can be regulated by ionic current passing through the microchannel, which broadened the regulation of the ECL sensors. But in the early reported sensors, the electrostatic repulsion and steric hindrance caused few targets to approach the interface of the microchannel driven by concentration difference, which reduced the detection efficiency and prolonged the detection period. In this study, different accumulation strategies, such as a positive electric field and different polarity electric fields, were designed to accumulate targets in the microchannel. The interaction of azide groups and hydrogen sulfide served as a research model. Hydrogen sulfide can react with the negatively charged azide groups in the microchannel surface to produce positively charged amino groups, decreasing the negative charge density of the microchannel and thus altering the ionic current and ECL intensity. The accumulation of hydrogen sulfide at the microchannel tip can increase the collision probability with azide groups to improve the detection efficiency, and the integration of accumulation and reaction can shorten the detection period to 28 min. The hydrogen sulfide concentration on the microchannel tip accumulated by applying different polarity electric fields was 22.3-fold higher than that accumulated by applying a positive electric field. The selected research model broadened the application range of a microchannel-based ECL sensor and confirmed the universality of the microchannel-based ECL sensor.
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Affiliation(s)
- Yanling Huang
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, P. R. China
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Huabin Cai
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, P. R. China
| | - Yue Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, P. R. China
| | - Fang Luo
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian 350116, P. R. China
| | - Cuiying Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, P. R. China
| | - Jian Wang
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, P. R. China
| | - Bin Qiu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, P. R. China
| | - Zhenyu Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, P. R. China
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7
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Mao M, Zu Y, Zhang Y, Qiu Y, Lin Y, Luo F, Weng Z, Lin C, Qiu B, Lin Z. Photoelectrochemical Sensor for H 2S Based on a Lead-Free Perovskite/Metal-Organic Framework Composite. Anal Chem 2024; 96:4290-4298. [PMID: 38427621 DOI: 10.1021/acs.analchem.4c00041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2024]
Abstract
Halide perovskites have emerged as a highly promising class of photoelectric materials. However, the application of lead-based perovskites has been hindered by their toxicity and relatively weak stability. In this work, a composite material comprising a lead-free perovskite cesium copper iodide (CsCu2I3) nanocrystal and a metal-organic framework (MOF-801) has been synthesized through an in situ growth approach. The resulting composite material, denoted as CsCu2I3/MOF-801, demonstrates outstanding stability and exceptional optoelectronic characteristics. MOF-801 may serve a dual role by acting as a protective barrier between CsCu2I3 nanocrystals and the external environment, as well as promoting the efficient transfer of photogenerated charge carriers, thereby mitigating their recombination. Consequently, CsCu2I3/MOF-801 demonstrates its utility by providing both stability and a notably high initial photocurrent. Leveraging the inherent reactivity between H2S and the composite material, which results in the formation of Cu2S and structural alteration, an exceptionally sensitive photoelectrochemical sensor for H2S detection has been designed. This sensor exhibits a linear detection range spanning from 0.005 to 100 μM with a remarkable detection limit of 1.67 nM, rendering it highly suitable for precise quantification of H2S in rat brains. This eco-friendly sensor significantly broadens the application horizon of perovskite materials and lays a robust foundation for their future commercialization.
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Affiliation(s)
- Mengfan Mao
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China
| | - Yexin Zu
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350116, Fujian, China
| | - Yating Zhang
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350116, Fujian, China
| | - Yongzhen Qiu
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350116, Fujian, China
| | - Yue Lin
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China
| | - Fang Luo
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350116, Fujian, China
| | - Zuquan Weng
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350116, Fujian, China
| | - Cuiying Lin
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China
| | - Bin Qiu
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China
| | - Zhenyu Lin
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China
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Chen Z, Li L, Zhao Z, Zhu Y, Liu Z. Responsive luminescent silver-based metal-organic frameworks for highly sensitive and selective detection of hydrogen sulfide in biological system via a self-assembled headspace separation device. Talanta 2024; 267:125170. [PMID: 37690415 DOI: 10.1016/j.talanta.2023.125170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/25/2023] [Accepted: 09/04/2023] [Indexed: 09/12/2023]
Abstract
As a highly toxic gas pollutant and also an endogenous gaseous signaling molecule existing in a variety of physiological processes, the rapid and accurate in-field detection of hydrogen sulfide is of great concern. Nevertheless, two drawbacks as for the optical probes for H2S detection, taking about a long time to reach the optical signal balance or the low selectivity, always exist. Herein, by using a highly photoluminescent and H2S-stimuli responsive silver-based metal-organic frameworks (MOFs): Ag-BDC (BDC = 1, 4-benzene dicarboxylate), we demonstrated that the luminescence intensity of Ag-BDC MOFs was inversely proportional to the concentration of H2S due to the Ag-S coordination and the obstruction of ligand-to-metal charge transfer (LMCT) transition process, and there was a quick response time of below 3.0 min. Combined with a simple customized device to separate H2S from the sample, the selectivity of the method for H2S detection could be greatly improved, and no interference would be caused even if the other sulfur-containing species coexisted. The luminescence probe presented a favorable sensitivity within a linear range of 0.1-1000 μM along with a detection limit of 23.7 nM. When employed to assay the endogenous sulfide level in the human serum and mouse brain tissue, the approach showed recoveries from 96.3% to 102% with relative standard derivation (RSD) less than 2.0%. By the integration of the responsive luminescent silver-based MOFs with a simple self-assembled headspace separation device, obviously the present strategy could be beneficial to the development and design of the in-field fast H2S measurement, possessing particular advantages in biological systems to eliminate the potential interferences.
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Affiliation(s)
- Zhongxiu Chen
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, China
| | - Ling Li
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, China
| | - Zhongshuai Zhao
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, China
| | - Ying Zhu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, China
| | - Zhongde Liu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, China.
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9
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Athira ET, Satija J. Plasmonic nanoparticle etching-based optical sensors: current status and future prospects. Analyst 2023; 148:6188-6200. [PMID: 37916263 DOI: 10.1039/d3an01244a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Plasmonic nanoparticles are an emerging tool for developing label-free multicolorimetric sensors for biosensing and chemosensing applications. The color absorbed by nanoparticles from visible light is influenced by their size, shape, orientation, and interparticle distance. Differently sized and shaped gold and silver nanoparticles exhibit a wide range of colors, aiding in the development of label-free sensors. Etching is the process of oxidizing nanoparticles, which alters their aspect ratio, shape, plasmonic peak, and outward appearance. It is typically used to create sensitive sensing platforms. Through etching, analytes could be detected in a simple, sensitive, and selective manner. The multicolor readout of nanoparticle etching-based multicolorimetric sensors can overcome the limitations of conventional colorimetric assays and improve the accuracy of visual inspection. This review discusses different approaches for target sensing using nanoparticle etching strategies like direct etching, enzyme-mediated etching, chemical reaction-driven etching, and anti-etching-based sensors and their mechanisms. In the future, etching strategies could be modified into portable sensing devices to detect a variety of analytes, which will aid in the development of on-time, in situ, and point-of-care sensing systems.
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Affiliation(s)
- E T Athira
- Centre for Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
| | - Jitendra Satija
- Centre for Nanobiotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
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10
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Huang Z, Krishnakumar H, Denomme R, Liu J. TMB +-mediated etching of urchin-like gold nanostructures for colorimetric sensing. NANOTECHNOLOGY 2023; 35:045501. [PMID: 37852225 DOI: 10.1088/1361-6528/ad0483] [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: 07/25/2023] [Accepted: 10/17/2023] [Indexed: 10/20/2023]
Abstract
The morphology-dependent localized surface plasmon resonance of gold nanostructures has been widely utilized for designing sensors. One method relies on the color change of gold nanoparticles upon etching. In previous work, TMB2+oxidized from 3,3',5,5'-tetramethylbenzidine (TMB) was found to etch gold nanorods (AuNRs), leading to a spectrum of different colors. However, the preparation of TMB2+needs the addition of a strong acid and other harsh conditions. Herein, a new colorimetric biosensing platform was developed using urchin-like gold nanoparticles (AuNUs). Compared with AuNRs, the etching of AuNUs can happen under mild conditions by TMB+at pH 6, protecting enzymes and proteins from denaturation. The role of CTAB surfactant was dissected, and its bromide ions were found to be involved in the etching process. Based on these observations, a one-step colorimetric detection of H2O2was realized by using horseradish peroxidase and H2O2to oxidize TMB. Within 30 min, this system achieved a detection limit of 80 nM H2O2. This work offered fundamental insights into the etching of anisotropic gold nanostructures and optimized the etching conditions. These advancements hold promise for broader applications in biosensing and analytical chemistry.
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Affiliation(s)
- Zhicheng Huang
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Harish Krishnakumar
- Nicoya Lifesciences Inc. 283 Duke St W Suite 226, Kitchener, N2H 3X7, Canada
| | - Ryan Denomme
- Nicoya Lifesciences Inc. 283 Duke St W Suite 226, Kitchener, N2H 3X7, Canada
| | - Juewen Liu
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
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11
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Multicolor biosensor for hyaluronidase based on target-responsive hydrogel and etching of gold nanorods by H 2O 2. Talanta 2023; 257:124367. [PMID: 36841016 DOI: 10.1016/j.talanta.2023.124367] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 12/08/2022] [Accepted: 02/13/2023] [Indexed: 02/18/2023]
Abstract
Hyaluronidase (HAase) is a potential tumor biomarker for diseases of the digestive tract and nervous system, the development of simple and sensitive techniques for HAase determination is urgent needed. Gold nanorods (Au NRs) can be etched by H2O2 with high efficiency and display color changing. In this work, a HAase-responsive hydrogel system had been designed and the amount of H2O2 spilled from the system had a close relationship with the amount of HAase, then the spilled H2O2 had been applied to etch Au NRs. The color change of the solution was used to realize semi-quantitative determination of HAase. Furthermore, the longitudinal peak shift of Au NRs had a linear correlation with the concentration of HAase in the range of 10-60 U/mL (within 40 min) and the limit of detection (LOD) was 3.8 U/mL (S/N = 3), which can be used to realize accurate quantitative analysis of HAase. The proposed method has been applied to monitor HAase in serum of pancreatic cancer patients with satisfied results.
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12
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Xiao X, Shen Y, Zhou X, Sun B, Wang Y, Cao J. Innovative nanotechnology-driven fluorescence assays for reporting hydrogen sulfide in food-related matrices. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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13
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Abolghasemi-Fakhri Z, Amjadi M. Highly sensitive colorimetric assay for penconazole using gold nanostar-graphene quantum dot composite. ANAL SCI 2023:10.1007/s44211-023-00320-w. [PMID: 36988901 DOI: 10.1007/s44211-023-00320-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 03/08/2023] [Indexed: 03/30/2023]
Abstract
In this study, a simple and sensitive colorimetric method for penconazole sensing is reported. It is based on the etching/anti-etching strategy in which gold nanostar@graphene quantum dot (AuNS@GQD) nanocomposite acts as a sensing nanoprobe and IO4- as an etching agent. With adding IO4- to the solution of AuNSs@GQDs, the sharp tips of NSs are etched and they are transformed into nearly spherical nanostructures, and the color of the solution changes from green to violet. These changes can be attributed to the oxidation of gold atoms at the sharp corners and tips of NSs with I2, produced by the reaction of IO4- with AuNS@GQD solution. When penconazole is added into the system, the color and shape variations of AuNSs caused by periodate are impressively prevented. It can be assigned to the strong binding affinity between nitrogen atoms of penconazole and gold atoms, which protects them from etching by I2. This mechanism has been affirmed via transmission electron microscopy (TEM) and UV-Vis spectra. This approach exhibited a good linear relationship (R2 = 0.999) between the wavelength shift and penconazole concentration in the range of 5.0-1000.0 nM with a limit of detection (LOD) of 1.5 nM. The sensor is stable and reproducible and was used to measure penconazole in spiked water samples with recoveries over 97%.
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Affiliation(s)
- Zahra Abolghasemi-Fakhri
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, 5166616471, Iran
| | - Mohammad Amjadi
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, 5166616471, Iran.
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14
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Zhao S, Xue Y, Hu L, Sun F, Nie J, Chang Y. A NIR‐II Fluorescent Probe for Hydrogen Sulfide Detection Based on Blocking Intramolecular Charge Transfer. ChemistrySelect 2023. [DOI: 10.1002/slct.202300554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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15
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Chen M, Qileng A, Liang H, Lei H, Liu W, Liu Y. Advances in immunoassay-based strategies for mycotoxin detection in food: From single-mode immunosensors to dual-mode immunosensors. Compr Rev Food Sci Food Saf 2023; 22:1285-1311. [PMID: 36717757 DOI: 10.1111/1541-4337.13111] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 01/01/2023] [Accepted: 01/10/2023] [Indexed: 02/01/2023]
Abstract
Mycotoxin contamination in foods and other goods has become a broad issue owing to serious toxicity, tremendous threat to public safety, and terrible loss of resources. Herein, it is necessary to develop simple, sensitive, inexpensive, and rapid platforms for the detection of mycotoxins. Currently, the limitation of instrumental and chemical methods cannot be massively applied in practice. Immunoassays are considered one of the best candidates for toxin detection due to their simplicity, rapidness, and cost-effectiveness. Especially, the field of dual-mode immunosensors and corresponding assays is rapidly developing as an advanced and intersected technology. So, this review summarized the types and detection principles of single-mode immunosensors including optical and electrical immunosensors in recent years, then focused on developing dual-mode immunosensors including integrated immunosensors and combined immunosensors to detect mycotoxins, as well as the combination of dual-mode immunosensors with a portable device for point-of-care test. The remaining challenges were discussed with the aim of stimulating future development of dual-mode immunosensors to accelerate the transformation of scientific laboratory technologies into easy-to-operate and rapid detection platforms.
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Affiliation(s)
- Mengting Chen
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
- The Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
| | - Aori Qileng
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
- The Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
| | - Hongzhi Liang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Hongtao Lei
- The Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, China
| | - Weipeng Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Yingju Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
- The Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
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16
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Cheng S, Zhang S, Liu R, Zeng H, Yin Y, Zhang M. Potentiometric nanosensor for real-time measurement of hydrogen sulfide in single cell. Chem Commun (Camb) 2023; 59:1959-1962. [PMID: 36722985 DOI: 10.1039/d2cc06557f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
One potentiometric nanosensor for monitoring intracellular hydrogen sulfide (H2S) with fast potential response, high selectivity and excellent antifouling properties was developed. This study constructs a powerful tool to real-time track the changes of intracellular H2S in situ, promoting the future studies of physiologically relevant processes.
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Affiliation(s)
- Shuwen Cheng
- Department of Chemistry, Renmin University of China, Beijing, 100872, China.
| | - Shuai Zhang
- Department of Chemistry, Renmin University of China, Beijing, 100872, China.
| | - Rantong Liu
- Department of Chemistry, Renmin University of China, Beijing, 100872, China.
| | - Hui Zeng
- Department of Chemistry, Renmin University of China, Beijing, 100872, China.
| | - Yongyue Yin
- Department of Chemistry, Renmin University of China, Beijing, 100872, China.
| | - Meining Zhang
- Department of Chemistry, Renmin University of China, Beijing, 100872, China.
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17
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Chen M, Huang X, Chen Y, Cao Y, Zhang S, Lei H, Liu W, Liu Y. Shape-specific MOF-derived Cu@Fe-NC with morphology-driven catalytic activity: Mimicking peroxidase for the fluorescent- colorimetric immunosignage of ochratoxin. JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130233. [PMID: 36308933 DOI: 10.1016/j.jhazmat.2022.130233] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
Ochratoxin A (OTA), which has strong hepatotoxicity and nephrotoxicity, can accumulate in the human body through the food chain; thus, the selective and effective detection of OTA is urgently required for food security. Nanozymes with hyperfine size and shape control have attracted attention because of their controllable structure and intrinsic activity. Herein, CuFe-bimetal coordinated N-doped carbon (Cu@Fe-NC) with morphology-driven peroxidase-mimicking activity was synthesized using Cu2O with specific polygonal cubes and fully exposed {111} crystalline facets as the template to produce a CuFe-bimetallic metal organic framework (MOF) and further treating CuFe-MOF with high-temperature pyrolysis. N-doping can confer electronegativity to exhibit high affinity, while the large surface area of the porous carbon support can facilitate rapid adsorption-desorption equilibrium. Using the peroxidase-mimicking Cu@Fe0.5-NC as a carrier, a versatile immunoassay for the detection of OTA was implemented based on the ratiometric fluorescence and the localized surface plasmon resonance peak shift, achieving a detection limit of 0.52 ng/L in the range of 0.001-10 μg/L. Therefore, the strategy of enhancing enzyme-mimicking activity using specific shapes and crystalline facets may open new avenues for food and environmental analysis.
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Affiliation(s)
- Mengting Chen
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China; The Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Xiaomeng Huang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Yuxuan Chen
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Yiran Cao
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Shengsen Zhang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China
| | - Hongtao Lei
- The Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Weipeng Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.
| | - Yingju Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
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18
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Luo Q, Tian M, Luo F, Zhao M, Lin C, Qiu B, Wang J, Lin Z. Multicolor Biosensor for Trypsin Detection Based on the Regulation of the Peroxidase Activity of Bovine Serum Albumin-Coated Gold Nanoclusters and Etching of Gold Nanobipyramids. Anal Chem 2023; 95:2390-2397. [PMID: 36638045 DOI: 10.1021/acs.analchem.2c04418] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The detection of trypsin is significantly important for both clinical diagnosis and disease treatment. In this study, an innovative multicolor sensor for trypsin detection has been established based on the regulation of the peroxidase activity of bovine serum albumin-coated gold nanoclusters (BSA-Au NCs) and efficient etching of gold nanobipyramids (Au NBPs). BSA-Au NCs have slight peroxidase enzyme activity and can catalyze the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) to generate TMB+, while trypsin can hydrolyze BSA ligands on the surface of BSA-Au NCs, thus exposing more catalytic active sites of BSA-Au NCs and resulting in the enhancement of the peroxidase activity of BSA-Au NCs, hence more TMB+ is generated. Under acidic conditions, TMB+ can etch Au NBPs efficiently, consequently affecting the aspect ratio of Au NBPs accompanied by the ultraviolet-visible (UV-vis) spectra blue shifting of the system. Furthermore, this also results in color variations that can be distinguished and recognized by naked eyes without any expensive and sophisticated instruments. This multicolor sensor has an available linear relationship with the logarithm of the trypsin concentration in the range of 0.1-100 μg/mL, and the detection limit is 0.045 μg/mL. The designed sensor has been used to detect the concentration of trypsin in human serum samples from healthy individuals and pancreatitis patients with satisfactory results.
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Affiliation(s)
- Qin Luo
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian350116, China
| | - Mengjian Tian
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian350116, China
| | - Fang Luo
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian350116, China
| | - Min Zhao
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian361005, China.,Computer Management Center, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian361005, China
| | - Cuiying Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian350116, China
| | - Bin Qiu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian350116, China
| | - Jian Wang
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian350116, China
| | - Zhenyu Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian350116, China
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19
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He JL, Tang L, Liao SQ, Guo MT, Wu L, Song Y, Liu S, Cao Z. Label-free palindromic DNA nanospheres as naked-eye colorimetric assay platform for detection of telomerase activity. Talanta 2022. [DOI: 10.1016/j.talanta.2022.123990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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20
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Lee KW, Chen H, Wan Y, Zhang Z, Huang Z, Li S, Lee CS. Innovative probes with aggregation-induced emission characteristics for sensing gaseous signaling molecules. Biomaterials 2022; 289:121753. [DOI: 10.1016/j.biomaterials.2022.121753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/08/2022] [Accepted: 08/17/2022] [Indexed: 11/28/2022]
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21
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Signal-On and Highly Sensitive Electrochemiluminescence Biosensor for Hydrogen Sulfide in Joint Fluid Based on Silver-Ion-Mediated Base Pairs and Hybridization Chain Reaction. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10070250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Hydrogen sulfide (H2S) in joint fluid acts as a signal molecule to regulate joint inflammation. Direct detection of H2S in joint fluid is of great significance for the diagnosis and treatment of arthritis. However, due to the low volume of joint fluid and low H2S concentration, existing methods face the problem of the insufficient limit of detection. In this study, a highly sensitive biosensor was proposed by designing a primer probe and combining it with hybrid chain reaction (HCR) under the strong interaction between metal ions and H2S to achieve H2S detection. The primer probe containing multiple cytosine (C) sequences was fixed on a gold electrode, and the C–Ag–C hairpin structure was formed under the action of Ag+. In the presence of H2S, it can combine with Ag+ in the hairpin structure to form Ag2S, which leads to the opening of the hairpin structure and triggers the hybridization chain reaction (HCR) with another two hairpin structures (H1 and H2). A large number of double-stranded nucleic acid structures can be obtained on the electrode surface. Finally, Ru(phen)32+ can be embedded into the double chain structure to generate the electrochemiluminescence (ECL) signal. The linear response of the H2S biosensor ranged from 0.1000 to 1500 nM, and the limit of detection concentration of H2S was 0.0398 nM. The developed biosensor was successfully used to determine H2S in joint fluid.
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22
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Shen H, Chen X, Zeng L, Xu X, Tao Y, Kang S, Lu Y, Lian M, Yang C, Zhu Z. Magnetofluid-Integrated Multicolor Immunochip for Visual Analysis of Neutralizing Antibodies to SARS-CoV-2 Variants. Anal Chem 2022; 94:8458-8465. [PMID: 35658117 PMCID: PMC9211038 DOI: 10.1021/acs.analchem.2c01260] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/20/2022] [Indexed: 11/29/2022]
Abstract
The global spread of SARS-CoV-2 virus has severely affected human health, life, and work. Vaccine immunization is considered to be an effective means to protect the body from infection. Therefore, timely analysis of the antibody level is helpful to identify people with low immune response or attenuated antibodies so as to carry out targeted and precise vaccine booster immunization. Herein, we develop a magnetofluid-integrated multicolor immunochip, as a sample-to-answer system in a fully enclosed space, for visual analysis of neutralizing antibodies of SARS-CoV-2. Generally, this chip adopts an innovative three-dimensional two-phase system that utilizes mineral oil to block the connection between reagent wells in the vertical direction and provides a wide interface for rapid and nondestructive shuttle of magnetic beads during the immunoassay. In order to obtain visualized signal output, gold nanorods with a size-dependent color effect are used as the colorful chromogenic substrates for evaluation of the antibody level. Using this chip, the neutralizing antibodies were successfully detected in vaccine-immunized volunteers with 83.3% sensitivity and 100% specificity. Furthermore, changes in antibody levels of the same individual over time were also reflected by the multicolor assay. Overall, benefiting from simple operation, airtight safety, and nonrequirement of external equipment, this platform can provide a new point-of-care testing strategy for alleviating the shortage of medical resources and promoting epidemic control in underdeveloped areas.
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Affiliation(s)
- Haicong Shen
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xinying Chen
- Clinical
Laboratory, Xiamen University Hospital, Xiamen 361005, China
| | - Liuqing Zeng
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xing Xu
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yingzhou Tao
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Siyin Kang
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yinzhu Lu
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Mingjian Lian
- Clinical
Laboratory, The First Affiliated Hospital
of Xiamen University, Xiamen 361005, China
| | - Chaoyong Yang
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Institute
of Molecular Medicine, Department of Gastrointestinal Surgery, Renji
Hospital, School of Medicine, Shanghai Jiao
Tong University Shanghai, Shanghai 200127, China
| | - Zhi Zhu
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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23
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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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24
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Equipment-free, gold nanoparticle based semiquantitative assay of SARS-CoV-2-S1RBD IgG from fingertip blood: A practical strategy for on-site measurement of COVID-19 antibodies. Talanta 2022; 246:123498. [PMID: 35489095 PMCID: PMC9040429 DOI: 10.1016/j.talanta.2022.123498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/18/2022] [Accepted: 04/19/2022] [Indexed: 11/23/2022]
Abstract
COVID-19 remains as a major threat to human society. A reliable, sensitive, rapid, and low requirement assay for serum neutralizing antibodies is needed as a pandemic management tool for estimation of revaccination time and implementation of "immune passport". Using gold nanoparticle (AuNR) as an immunosensor, we have established a semi-quantitative, instrument-free assay for measuring antibody level against SRAS-CoV-2 spike1 (S1) receptor binding domain (RBD) from fingertip blood samples. The testing results by the developed method correlated well with those obtained from conventional ELISA assay, indicating reliable quantitation could be achieved without use of plate reader. A declined of immunoglobulin G (IgG) antibody associated with vaccination time was observed, which agreed well with the data from other reports. The developed method provides a potentially complementary strategy for on-site measurement of COVID-19 antibodies.
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25
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Zhou Q, Yan S, Zhang L. Fe-doped MOF-derived N-rich porous carbon nanoframe for H 2 S cataluminescence sensing. LUMINESCENCE 2022; 37:1135-1144. [PMID: 35470541 DOI: 10.1002/bio.4267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 11/11/2022]
Abstract
Metal-doped porous carbon matrix composites are considered as outstanding H2 S cataluminescence sensing materials for their good sulfur tolerance and high cataluminescence activity. In this work, Fe-doped MOF-derived N-rich porous carbon nanoframe was successfully fabricated by pyrolysis of Fe-doped ZIF-8 in an Ar atmosphere at a temperature of 900 °C, and used for H2 S cataluminescence sensing. Along with zinc volatilization, the obtained porous carbon nanoframe not only had high specific surface area and abundant voids, but also had well dispersed Fe species doped in the skeleton. Compared with Fe2 O3 /ZnO composites derived from the same precursor but different pyrolysis terms, this as-prepared Fe-doped N-rich porous carbon presented three times increase of cataluminescence intensity towards H2 S, attributing to the porous carbon skeleton which is indispensable for dispersing catalytic active sites and providing more absorptive surface and voids. Comparably, this proposed sensor demonstrated high sensitivity and good selectivity, with the detection range of 1.57-19.58 μg·mL-1 and detection limit as 0.13 μg·mL-1 towards H2 S. This work may provide a new pathway for preparing catalysts for cataluminescence sensing with better metal distribution, higher specific surface area, richer pores than ever before.
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Affiliation(s)
- Qin Zhou
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, China
| | - Shuguang Yan
- Analytical & Testing Center, Sichuan University, Chengdu, China
| | - Lichun Zhang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, China
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26
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Zhou Y, Mazur F, Fan Q, Chandrawati R. Synthetic nanoprobes for biological hydrogen sulfide detection and imaging. VIEW 2022. [DOI: 10.1002/viw.20210008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Yingzhu Zhou
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN) The University of New South Wales (UNSW Sydney) Sydney New South Wales Australia
| | - Federico Mazur
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN) The University of New South Wales (UNSW Sydney) Sydney New South Wales Australia
| | - Qingqing Fan
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN) The University of New South Wales (UNSW Sydney) Sydney New South Wales Australia
| | - Rona Chandrawati
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN) The University of New South Wales (UNSW Sydney) Sydney New South Wales Australia
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27
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Lin Y, Zhan Y, Luo F, Lin C, Wang J, Qiu B, Lin Z. Multicolor hydrogen sulfide sensor for meat freshness assessment based on Cu 2+-modified boron nitride nanosheets-supported subnanometer gold nanoparticles. Food Chem 2022; 381:132278. [PMID: 35139466 DOI: 10.1016/j.foodchem.2022.132278] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 01/14/2022] [Accepted: 01/26/2022] [Indexed: 12/15/2022]
Abstract
Hydrogen sulfide (H2S) has emerged as an important indicator in the spoilage process of meat. In this study, a mimetic enzyme based on Cu2+-modified boron nitride nanosheets-supported gold nanoparticles (AuNPs/Cu2+-BNNS) was synthesized, which can be used to catalyze the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB). The H2S gas can inhibit the activity of AuNPs/Cu2+-BNNS toward catalytic oxidation of TMB. Meanwhile, the usage of headspace method could avoid most interferences in the rotten sample. Various concentrations of TMB+ could change the aspect ratio of the gold nanoroads (AuNRs), which results in vivid color changing and UV-vis spectra shifting. The sensor had a good linear relationship with H2S concentration ranging from 10.0 to 90.0 μmol/L, and the detection limit is 7.8 μmol/L. The AuNPs/Cu2+-BNNS sensors were successfully applied to detect H2S produced by meat spoilage with satisfying results.
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Affiliation(s)
- Yisheng Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Yuanjin Zhan
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Fang Luo
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Cuiying Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Jian Wang
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Bin Qiu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Zhenyu Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China.
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Luo F, Zhang Y, Zu Y, Li S, Chen Y, Chen Z, Huang D, Qiu B, Lin Z. Quick preparation of water-soluble perovskite nanocomposite via cetyltrimethylammonium bromide and its application. Mikrochim Acta 2022; 189:68. [PMID: 35064830 DOI: 10.1007/s00604-022-05174-z] [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: 08/13/2021] [Accepted: 01/04/2022] [Indexed: 11/24/2022]
Abstract
A good water-soluble and stable nanocomposite has been facilely prepared by the encapsulation of CsPbBr3 QDs via cetyltrimethylammonium bromide and mineral oil through sonication, namely CsPbBr3@CMO nanocomposite. Such method is very quick and simple without complicated instruments and strict conditions. The results reveal that the synthesized CsPbBr3@CMO nanocomposite is spherical with uniform size and shows remarkably good solubility and stability in water. Specifically, the fluorescent intensity of CsPbBr3@CMO nanocomposite in water is decreased by 0.76% after 3 h; this result is comparable with those in earlier studies, and the good stability in water might be owned to the hydrophobic core of the CsPbBr3@CMO nanocomposite. The prepared CsPbBr3@CMO nanocomposite has been applied as a sensitive fluorescent probe for monitoring hydrogen sulfide (H2S), and the fluorescence intensity (~ 524 nm) has a linear relationship with the concentration of H2S in the range 0.15-105 µM with a detection limit of 53 nM, demonstrating application for monitoring H2S in rat brain coupled with microdialysis apparatus with satisfied results. The present study not only provides a simple but sensitive approach for the detection of H2S in living body, but also paves the way for expanding the application of CsPbBr3 QDs to aqueous medium.
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Affiliation(s)
- Fang Luo
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China.,Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Yating Zhang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China.,Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Yexin Zu
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China.,Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Shiqing Li
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China.,Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Yiting Chen
- Fujian Provincial University Engineering Research Center of Green Materials and Chemical Engineering, Minjiang University, Fuzhou, 350108, People's Republic of China
| | - Zhonghui Chen
- Affiliated Hospital of Putian University, Putian University, Putian, 351100, China
| | - Da Huang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China.
| | - Bin Qiu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China
| | - Zhenyu Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, Fuzhou University, Fuzhou, Fujian, 350108, People's Republic of China.
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29
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Sun Y, Tang X, Zhang K, Liu K, Li Z, Zhao L. Hydrogen sulfide detection and zebrafish imaging by a designed sensitive and selective fluorescent probe based on resorufin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 264:120265. [PMID: 34455378 DOI: 10.1016/j.saa.2021.120265] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/23/2021] [Accepted: 08/03/2021] [Indexed: 06/13/2023]
Abstract
A new long-wavelength fluorescent probe 1 that could specifically identify H2S has been successfully synthesized and applied for imaging H2S in zebrafish. Probe 1 was readily prepared by featuring nitrobenzene as the recognition unit coupled to resorufin. The fluorescence off-on response is based on the fact that H2S can reduce the nitro group to an amino group, followed by the 1,6-rearrangement-elimination and the release of resorufin. By evaluating the application abilities of probe 1 in vivo and vitro, it is shown that probe 1 has high sensitivity and selectivity to H2S, low background fluorescence interference, with a low detection limit of 17.30 μM. Notably, the occurrence of the reaction can be observed by the naked eye, and the color of the solution changes from yellow to pink. More importantly, it is the first time that using paper chips as carrier to detect H2S, which lays a foundation for the practical application of detecting H2S. The excellent analysis and application capabilities of probe 1 make it an effective tool for further application in practice.
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Affiliation(s)
- Yahui Sun
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun 130021, China
| | - Xiaojie Tang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, PR China
| | - Kaikai Zhang
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun 130021, China
| | - Kelin Liu
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun 130021, China
| | - Zhao Li
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, PR China
| | - Liangliang Zhao
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun 130021, China.
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30
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Luo Q, Lin Y, Cai Q, Luo F, Lin C, Wang J, Qiu B, Lin Z. A multicolor biosensor for alkaline phosphatase activity detection based on the peroxidase activity of copper nanoclusters and etching of gold nanorods. Analyst 2022; 147:2749-2756. [DOI: 10.1039/d2an00517d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A multicolor biosensor for ALP activity has been developed based on the peroxidase activity of copper nanoclusters and etching of gold nanorods.
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Affiliation(s)
- Qin Luo
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Yisheng Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Qihong Cai
- Pharmaceutical and Medical Technology College of Putian University, Putian, Fujian, China
| | - Fang Luo
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Cuiying Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Jian Wang
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Bin Qiu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Zhenyu Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
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31
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Xu S, Deng X, Ji S, Chen L, Zhao T, Luo F, Qiu B, Lin Z, Guo L. An algorithm-assisted automated identification and enumeration system for sensitive hydrogen sulfide sensing under dark field microscopy. Analyst 2022; 147:1492-1498. [DOI: 10.1039/d2an00149g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A sensitive H2S sensing strategy has been developed based on the automated identification and enumeration algorithm.
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Affiliation(s)
- Shaohua Xu
- Jiangxi Engineering Research Centre for Translational Cancer Technology, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
- Jiaxing Key Laboratory of Molecular Recognition and Sensing; College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Xiaoyu Deng
- Ministry of Education Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, 330004, China
| | - Shuyi Ji
- Fujian Key Lab for Intelligent Processing and Wireless Transmission of Media Information, College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Lifen Chen
- Jiaxing Key Laboratory of Molecular Recognition and Sensing; College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Tiesong Zhao
- Fujian Key Lab for Intelligent Processing and Wireless Transmission of Media Information, College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Fang Luo
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Bin Qiu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Zhenyu Lin
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Longhua Guo
- Jiaxing Key Laboratory of Molecular Recognition and Sensing; College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
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32
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Song L, Chen J, Xu BB, Huang Y. Flexible Plasmonic Biosensors for Healthcare Monitoring: Progress and Prospects. ACS NANO 2021; 15:18822-18847. [PMID: 34841852 DOI: 10.1021/acsnano.1c07176] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The noble metal nanoparticle has been widely utilized as a plasmonic unit to enhance biosensors, by leveraging its electric and/or optical properties. Integrated with the "flexible" feature, it further enables opportunities in developing healthcare products in a conformal and adaptive fashion, such as wrist pulse tracers, body temperature trackers, blood glucose monitors, etc. In this work, we present a holistic review of the recent advance of flexible plasmonic biosensors for the healthcare sector. The technical spectrum broadly covers the design and selection of a flexible substrate, the process to integrate flexible and plasmonic units, the exploration of different types of flexible plasmonic biosensors to monitor human temperature, blood glucose, ions, gas, and motion indicators, as well as their applications for surface-enhanced Raman scattering (SERS) and colorimetric detections. Their fundamental working principles and structural innovations are scoped and summarized. The challenges and prospects are articulated regarding the critical importance for continued progress of flexible plasmonic biosensors to improve living quality.
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Affiliation(s)
- Liping Song
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121 Zhejiang, People's Republic of China
- National Synchrotron Radiation Laboratory, CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering, Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei 230026, China
| | - Jing Chen
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Zhejiang Engineering Research Center for Biomedical Materials, Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chines Academy of Sciences, Ningbo 315300, China
| | - Ben Bin Xu
- Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne NE1 8ST, U.K
| | - Youju Huang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121 Zhejiang, People's Republic of China
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33
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Zhao XL, Liu JL, Xie FT, Yang T, Hu R, Yang YH. Iodide-enhanced Co/Fe-MOFs nanozyme for sensitively colorimetric detection of H 2S. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 262:120117. [PMID: 34245969 DOI: 10.1016/j.saa.2021.120117] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 06/14/2021] [Accepted: 06/24/2021] [Indexed: 06/13/2023]
Abstract
In this paper, a simple, rapid, and low-cost colorimetric method was designed based on Co/Fe-MOFs-iodide composite for the quantitative detection of H2S. It is know that iodide can improve the catalytic activity of bimetallic porous material Co/Fe-MOFs via adsorption into the framework of MOFs. Herein, we demonstrate a novel strategy to enhance the peroxidase-like activity of MOFs. Compared to horseradish peroxidase (HRP), the kinetic measurement results show that Co/Fe-MOFs-iodide exhibits excellent affinity to substrates, promoting electron transfer. Due to the synergetic effect of Co/Fe-MOFs and iodide, and rapid electron transfer process, Co/Fe-MOFs-iodide demonstrates improved peroxidase-like activity. As a proof-of-concept application, a novel, highly sensitive H2S colorimetric method is established with a detection limit (LOD) of 0.33 nM. In the absence of iodide, LOD is approx. 200-fold higher than that of the amplified colorimetric assay. The proposed method can also accurately detect traces of H2S in serum samples.
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Affiliation(s)
- Xiao-Lan Zhao
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, PR China
| | - Jia-Li Liu
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, PR China
| | - Fa-Ting Xie
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, PR China
| | - Tong Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, PR China
| | - Rong Hu
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, PR China.
| | - Yun-Hui Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan 650500, PR China.
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34
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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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35
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Zheng J, Cheng X, Zhang H, Bai X, Ai R, Shao L, Wang J. Gold Nanorods: The Most Versatile Plasmonic Nanoparticles. Chem Rev 2021; 121:13342-13453. [PMID: 34569789 DOI: 10.1021/acs.chemrev.1c00422] [Citation(s) in RCA: 148] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Gold nanorods (NRs), pseudo-one-dimensional rod-shaped nanoparticles (NPs), have become one of the burgeoning materials in the recent years due to their anisotropic shape and adjustable plasmonic properties. With the continuous improvement in synthetic methods, a variety of materials have been attached around Au NRs to achieve unexpected or improved plasmonic properties and explore state-of-the-art technologies. In this review, we comprehensively summarize the latest progress on Au NRs, the most versatile anisotropic plasmonic NPs. We present a representative overview of the advances in the synthetic strategies and outline an extensive catalogue of Au-NR-based heterostructures with tailored architectures and special functionalities. The bottom-up assembly of Au NRs into preprogrammed metastructures is then discussed, as well as the design principles. We also provide a systematic elucidation of the different plasmonic properties associated with the Au-NR-based structures, followed by a discussion of the promising applications of Au NRs in various fields. We finally discuss the future research directions and challenges of Au NRs.
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Affiliation(s)
- Jiapeng Zheng
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Xizhe Cheng
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Han Zhang
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Xiaopeng Bai
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Ruoqi Ai
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Lei Shao
- Beijing Computational Science Research Center, Beijing 100193, China
| | - Jianfang Wang
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
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36
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Fan Q, Gao Y, Mazur F, Chandrawati R. Nanoparticle-based colorimetric sensors to detect neurodegenerative disease biomarkers. Biomater Sci 2021; 9:6983-7007. [PMID: 34528639 DOI: 10.1039/d1bm01226f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Neurodegenerative disorders (NDDs) are progressive, incurable health conditions that primarily affect brain cells, and result in loss of brain mass and impaired function. Current sensing technologies for NDD detection are limited by high cost, long sample preparation, and/or require skilled personnel. To overcome these limitations, optical sensors, specifically colorimetric sensors, have garnered increasing attention towards the development of a cost-effective, simple, and rapid alternative approach. In this review, we evaluate colorimetric sensing strategies of NDD biomarkers (e.g. proteins, neurotransmitters, bio-thiols, and sulfide), address the limitations and challenges of optical sensor technologies, and provide our outlook on the future of this field.
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Affiliation(s)
- Qingqing Fan
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
| | - Yuan Gao
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
| | - Federico Mazur
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
| | - Rona Chandrawati
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
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37
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Target-induced mimic enzyme deactivation based on mixed-node metal-organic frameworks for colorimetric assay of hydrogen sulfide. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.02.053] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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38
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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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39
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Ma Y, Yu Y, Mu X, Yu C, Zhou Y, Chen J, Zheng S, He J. Enzyme-induced multicolor colorimetric and electrochemiluminescence sensor with a smartphone for visual and selective detection of Hg 2. JOURNAL OF HAZARDOUS MATERIALS 2021; 415:125538. [PMID: 33721776 DOI: 10.1016/j.jhazmat.2021.125538] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/06/2021] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
In this study, we developed a novel dual-analytical platform for the visual, sensitive, and reliable analysis of mercury ions (Hg2+) in environmental water samples. Importantly, thymine (T)-rich DNA probes were utilized to form T-Hg2+-T base pairs in the presence of Hg2+ to ensure the specificity of the method. We synthesized new luminescent tris(4,4'-dicarboxylicacid-2,2'-bipyridyl) ruthenium (II) dichloride (Ru(dcbpy)32+)-modified metal-polydopamine frameworks (MPFs@Ru), which were then applied to construct an electrochemiluminescence (ECL) system for the first time, and it achieved accurate and sensitive quantitative detection of Hg2+. To achieve rapid on-site determination, a multicolorimetric system based on a smartphone was established by inducing deposition of silver shells on gold nanorods (Au NRs). Under optimized conditions, the dual-modal assay showed an excellent response for Hg2+ in the linear range of 2 pmol L-1 to 500 nmol L-1, with a low detection limit of 0.32 pmol L-1. Moreover, the proposed method demonstrated satisfactory selectivity, stability, and acceptable reproducibility for the detection of Hg2+. The recovery of lake water samples ranged from 98.53% to 111.97% for the ECL method and from 95.04% to 106.11% for the colorimetric method, indicating the potential applicability of the proposed method for monitoring environmental water samples.
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Affiliation(s)
- Yidan Ma
- School of Public Health and Management, Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Yujie Yu
- School of Public Health and Management, Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Xinyi Mu
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Chao Yu
- College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Yuan Zhou
- College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Jun Chen
- College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Shuting Zheng
- School of Public Health and Management, Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Junlin He
- School of Public Health and Management, Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China.
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40
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Mei W, Liu X, Zou L, Wang Q, Yang X, Wang K. Microcapillary-based multicolor assay for quantitative and sensitive point-of-care testing of proteins. Biosens Bioelectron 2021; 189:113370. [PMID: 34090153 DOI: 10.1016/j.bios.2021.113370] [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: 03/12/2021] [Revised: 05/02/2021] [Accepted: 05/23/2021] [Indexed: 10/21/2022]
Abstract
A microcapillary-based multicolor assay was developed for proteins quantification in serum sample with the assistance of manual centrifugal platform. The proposed assay only required the operation of "one suction and one extrusion" to realize the target detection. Myoglobin (Myo), a biomarker in the early stage of acute myocardial infarction (AMI), was chosen as the model target. The microcapillary was first modified with polydopamine (PDA), then Myo aptamer was immobilized on the PDA modified microcapillary and hybridized with glucose oxidase (Gox) functionalized DNA probe (DNA-Gox). The step "one suction" referred to the inhalation of the sample into the functionalized microcapillary. Then the target Myo in the sample could bind to the Myo aptamer on the microcapillary so that DNA-Gox complexes were released from the microcapillary into solution. Through the step "one extrusion", the DNA-Gox complexes in the solution could catalyze glucose to generate hydrogen peroxide, and then the etching of gold nanorods (AuNRs) was initiated, causing a color change from brown to yellow. According to the color change based on the etching of AuNRs, as low as 0.1 nM Myo was detected with naked eyes. Combined with the manual centrifugal platform, even the Myo in the serum samples could be detected without power supply. It was expected to build a universal and adaptable sensing platform for different targets more quickly and efficiently.
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Affiliation(s)
- Wenjing Mei
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Xiaofeng Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Liyuan Zou
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
| | - Qing Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China.
| | - Xiaohai Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China.
| | - Kemin Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha, 410082, China
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Chi KN, Guan Y, Zhang X, Yang T, Meng S, Hu R, Yang YH. Iodide/metal-organic frameworks (MOF) -mediated signal amplification strategy for the colorimetric detection of H 2O 2, Cr 2O 72- and H 2S. Anal Chim Acta 2021; 1159:338378. [PMID: 33867031 DOI: 10.1016/j.aca.2021.338378] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 03/08/2021] [Accepted: 03/09/2021] [Indexed: 11/24/2022]
Abstract
The analytical methods based on colorimetric detection of various analytes have attracted intensive interest. However, most of them display relatively low sensitivity. Herein, a novel colorimetric strategy based on iodide/metal-organic frameworks (MOF)-mediated amplification was developed for low-cost, naked-eye detection and quantification of H2O2,Cr2O72-, and H2S. Cu-MOFs could catalyze the oxidation of the colorless peroxidase substrate TMB to produce a blue product. The published researches mainly focused on the immobilization or integration of a macromolecule, such as natural enzymes, to enhance MOFs catalytic abilities. The use of small molecules to improve the catalytic performance of MOFs has rarely reported. Due to the negligible steric hindrance, iodide could easily be adsorbed in the framework pore of MOFs to conduct the synergic catalytic effect, and shows a high catalytic effect. As a result, the catalytic activity of Cu-MOFs was dramatically enhanced, and thus, the nanocatalyst could act as an amplifier system for target detection. The detection limits obtained by the amplified method are 25, 30, and 0.2 nM, respectively, which are about 200-fold lower than that of the unamplified colorimetric assays. The colorimetric strategy developed herein provides a novel system for the detection of low concentrations of analytes in complex biological samples.
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Affiliation(s)
- Kuan-Neng Chi
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Yunnan, Kunming, 650092, PR China
| | - Yan Guan
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Yunnan, Kunming, 650092, PR China
| | - Xi Zhang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Yunnan, Kunming, 650092, PR China
| | - Tong Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Yunnan, Kunming, 650092, PR China
| | - Shuang Meng
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Yunnan, Kunming, 650092, PR China
| | - Rong Hu
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Yunnan, Kunming, 650092, PR China.
| | - Yun-Hui Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Yunnan, Kunming, 650092, PR China.
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Orouji A, Ghasemi F, Bigdeli A, Hormozi-Nezhad MR. Providing Multicolor Plasmonic Patterns with Au@Ag Core-Shell Nanostructures for Visual Discrimination of Biogenic Amines. ACS APPLIED MATERIALS & INTERFACES 2021; 13:20865-20874. [PMID: 33887901 DOI: 10.1021/acsami.1c03183] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Biogenic amines (BAs) are known as substantial indicators of the quality and safety of food. Developing rapid and visual detection methods capable of simultaneously monitoring BAs is highly desired due to their harmful effects on human health. In the present study, we have designed a multicolor sensor array consisting of two types of gold nanostructures (i.e., gold nanorods (AuNRs) and gold nanospheres (AuNSs)) for the discrimination and determination of critical BAs (i.e., spermine (SM), tryptamine (TT), ethylenediamine (EA), tyramine (TR), spermidine (SD), and histamine (HT)). The design principle of the probe was based on the metallization of silver ions on the surface of AuNRs and AuNSs in the presence of BAs, forming Au@Ag core-shell nanoparticles. Changes in the surface composition, size, and aspect ratio of AuNSs and AuNRs induced a blue shift in the plasmonic band, which was accompanied by sharp and rainbowlike color variations in the solution. The collected data were visually assessed and statistically analyzed by various data visualization and pattern recognition methods. Namely, linear discriminant analysis (LDA) and partial least squares (PLS) regression were employed for the qualitative and quantitative determination of BAs. The responses were linearly correlated to the concentrations of BAs in a wide range of 10-800, 20-800, 40-800, 40-800, 60-800, and 80-800 μmol L-1 with the limit of detections of 2.46, 4.79, 8.58, 14.26, 10.03, and 27.29 μmol L-1 for SD, SM, TT, HT, EA, and TR, respectively. Finally, the practical applicability of the sensor array was investigated by the determination of BAs in meat and fish samples by which the potential of the probe for on-site determination of food freshness/spoilage was successfully verified.
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Affiliation(s)
- Afsaneh Orouji
- Department of Chemistry, Sharif University of Technology, Tehran 111559516, Iran
| | - Forough Ghasemi
- Department of Nanotechnology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education, and Extension Organization (AREEO), Karaj 3135933151, Iran
| | - Arafeh Bigdeli
- Department of Chemistry, Sharif University of Technology, Tehran 111559516, Iran
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Fu R, Zhou J, Wang Y, Liu Y, Liu H, Yang Q, Zhao Q, Jiao B, He Y. Oxidase-like Nanozyme-Mediated Altering of the Aspect Ratio of Gold Nanorods for Breaking through H 2O 2-Supported Multicolor Colorimetric Assay: Application in the Detection of Acetylcholinesterase Activity and Its Inhibitors. ACS APPLIED BIO MATERIALS 2021; 4:3539-3546. [PMID: 35014439 DOI: 10.1021/acsabm.1c00069] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A convenient, fast, and colorful colorimetric platform with high resolution for acetylcholinesterase (AChE) activity and its inhibitors detection based on the regulation of oxidase-like nanozyme-mediated etching of gold nanorods (AuNRs) has been proposed in this work. MnO2 nanosheets are selected as the nanozyme. Their excellent oxidase-like activity enables the etching process to proceed smoothly without the usage of unstable H2O2. When AChE is present, it catalytically hydrolyzes acetylthiocholine (ATCh) to thiocholine (TCh). With high reducing ability, TCh induces the decomposition of MnO2 nanosheets, causing them to lose their oxidase-like activity. Thus, the etching of AuNRs is hampered. Consequently, with the increasing concentration of AChE, an apparent change in the AuNRs solution color is observed. The proposed platform achieves high-sensitivity detection of AChE (limit of detection = 0.18 mU/mL). Furthermore, the proposed platform also has been demonstrated its applicability for its inhibitors detection. Benefiting from the advantages of convenient and high resolution of visual readout, the proposed platform holds great potential for the detection of AChE and its inhibitors in clinical diagnosis.
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Affiliation(s)
- Ruijie Fu
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Jing Zhou
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Yiwen Wang
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Yanlin Liu
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Haoran Liu
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Qin Yang
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Qiyang Zhao
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Bining Jiao
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Yue He
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
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44
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Ma H, He Y, Xu L, Wei Y. Fabrication of polydopamine/hemin-cyclodextrin supramolecular assemblies for mimicking natural peroxidases and their sensitive detection of cholesterol. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115490] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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45
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New application of a traditional method: colorimetric sensor array for reducing sugars based on the in-situ formation of core-shell gold nanorod-coated silver nanoparticles by the traditional Tollens reaction. Mikrochim Acta 2021; 188:142. [PMID: 33774720 DOI: 10.1007/s00604-021-04796-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 03/18/2021] [Indexed: 10/21/2022]
Abstract
An effective and robust colorimetric sensor array for simultaneous detection and discrimination of five reducing sugars (i.e., glyceraldehyde (Gly), fructose (Fru), glucose (Glu), maltose (Mal), and ribose (Rib)) has been proposed. In the sensor array, two negatively charged polydielectrics (sodium polystyrenesulfonate (NaPSS) and sodium polymethacrylate (NaPMAA)), which served as the sensing elements, were individually absorbed on the surface of the cetyltrimethylammonium bromide (CTAB)-coated gold nanorods (AuNR) with positive charges through electrostatic action, forming the designed sensor units (NaPSS-AuNR and NaPMAA-AuNR). In the presence of Tollens reagent (Ag(NH3)2OH), Ag+ was absorbed on the surface of negatively charged NaPSS-AuNR and NaPMAA-AuNRs. When confronted with differential reducing sugars, different reducing sugars exhibited differential levels of deoxidizing abilities toward Ag+, thus Ag+ was reduced to diverse amounts of silver nanoparticles (AgNPs) in situ to form core-shell AuNR@AgNP by the traditional Tollens reaction method, leading to distinct colorimetric response patterns (value of AS/AL (the ratio of absorbance at 360 nm to that at 760 nm in Ag+-NaPMAA-AuNR, and the ratio of absorbance at 360 nm to that at 740 nm in Ag+-NaPSS-AuNR)). These response patterns are characteristic for each reducing sugar, and can be quantitatively distinguished by linear discriminant analysis (LDA) at concentrations as low as 10 nM with relative standard deviation (RSD) of 4.11% (n = 3). The practicability of this sensor array has been validated by recognition of reducing sugars in serum and urine samples. A colorimetric sensor array for reducing sugar discrimination based on the reduction of Ag+ and in situ formation of AuNR@AgNP.
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Tao Y, Lin Y, Luo F, Fu C, Lin C, He Y, Cai Z, Qiu B, Lin Z. Convenient detection of H 2S based on the photothermal effect of Au@Ag nanocubes using a handheld thermometer as readout. Anal Chim Acta 2021; 1149:338211. [PMID: 33551050 DOI: 10.1016/j.aca.2021.338211] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 12/31/2020] [Accepted: 01/06/2021] [Indexed: 02/08/2023]
Abstract
Hydrogen sulfide (H2S), as a hazardous gas, is often found around dump areas. Long term exposure can cause harm to health, it is highly necessary to develop some simple and sensitive methods for on-site H2S detection. Herein, a convenient photothermal assay has been designed for the quantitation of H2S using a handheld thermometer as readout. Au@Ag nanocubes (Au@Ag NCs), a core-shell nanocomposite with strong light absorption at ∼450 nm, was chosen as a novel photothermal agent in this study. Under the laser irradiation at 450 nm, the Au@Ag NCs show a strong photothermal effect, and a significant temperature enhancement can be measured by the thermometer easily. The presence of H2S can lead to the deposition of sulfur onto Au@Ag NCs, altering the localized surface plasmon resonance absorption, size, surface composition, and morphology of Au@Ag NCs and hence leading to the reduction of photothermal effect. The change of the temperature has a linear relationship with the H2S concentration in the range of 0.5-80.0 μM with a detection limit of 0.35 μM. By combining with simple sample purification procedures, the developed method has been applied to detect H2S in garbage odor gas with satisfactory results.
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Affiliation(s)
- Yingzhou Tao
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
| | - Yisheng Lin
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
| | - Fang Luo
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China; College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350116, China.
| | - Caili Fu
- Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University (BTBU), Beijing, 100048, China
| | - Cuiying Lin
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China.
| | - Yu He
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong SAR, China
| | - Bin Qiu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
| | - Zhenyu Lin
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
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Polylysine-modified MXene nanosheets with highly loaded glucose oxidase as cascade nanoreactor for glucose decomposition and electrochemical sensing. J Colloid Interface Sci 2021; 586:20-29. [DOI: 10.1016/j.jcis.2020.10.065] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 10/17/2020] [Accepted: 10/19/2020] [Indexed: 12/17/2022]
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48
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Zhu H, Liu C, Liu X, Quan Z, Liu W, Liu Y. A multi-colorimetric immunosensor for visual detection of ochratoxin A by mimetic enzyme etching of gold nanobipyramids. Mikrochim Acta 2021; 188:62. [PMID: 33534035 DOI: 10.1007/s00604-020-04699-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 12/31/2020] [Indexed: 01/15/2023]
Abstract
A multi-colorimetric immunosensor basing on the mimetic enzyme etching of gold nanobipyramids (Au NBPs) was established to detect ochratoxin A (OTA). Octahedral Cu2O nanoparticles were successfully synthesized through a selective surface stabilization strategy, which can exhibit a peroxidase-like ability to oxidize 3,3',5,5'-tetramethylbenzidine (TMB). Au NBPs can be etched by the product, TMB2+, to form a significant longitudinal peak blue shift of local surface plasmon resonance. During the construction of the immunosensor, the microplate was coated with dopamine to immobilized OTA antigens, followed by the immunoreaction of OTA antibody and the Cu2O-labled secondary antibody. A linear relationship can be found between the local surface plasmon resonance (LSPR) peak changes with the logarithm of OTA concentration in a wide range from 1 ng/L to 5 μg/L, while the detection limit was 0.47 ng/L. Meanwhile, the approximate OTA concentration can be conveniently and intuitively observed by the vivid color changes. Benefiting from the high specificity, the proposed multi-colorimetric immunoassay detection of OTA in millet samples was achieved, indicating the available potential of the immunoassay for the determination of OTA in real samples.
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Affiliation(s)
- Hongshuai Zhu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China.,The Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China
| | - Chuanhe Liu
- Instrumental Analysis & Research Center, South China Agricultural University, Guangzhou, 510642, China
| | - Xinxin Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China
| | - Zhu Quan
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China
| | - Weipeng Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China.
| | - Yingju Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China. .,State Key Laboratory of Managing Biotic and Chemical Treats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China.
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49
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Liu L, Zhang L, Liang Y. Visual sensing of multiple proteins based on three kinds of metal nanoparticles as sensor receptors. Colloids Surf B Biointerfaces 2021; 200:111574. [PMID: 33476955 DOI: 10.1016/j.colsurfb.2021.111574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/18/2020] [Accepted: 01/08/2021] [Indexed: 12/28/2022]
Abstract
We propose a colorimetric sensing array consisting of 4-aminothiophenol (p-ATP)-modified gold nanoparticles (Au NPs), silver nanoparticles (Ag NPs), and core-shell Au@Ag nanocubes (Au@Ag NCs) as sensing elements to identify multiple proteins according to the diverse colorimetric response patterns. In the absence of proteins, the sensor element solution itself did not agglomerate. After interacting with six proteins (lysozyme (LZM), hemoglobin (HGB), peroxidase from horseradish (HRP), bovine liver from peroxidase (CAT), trypsin from bovin pancreas (TRY), and pepsin (PEP)), due to the different binding ability between the sensing elements and various proteins, the sensing array exhibits a unique pattern of colorimetric variations, linear discrimination analysis (LDA) was applied to analyze the pattern and produced a clustering map for a clearer differentiation of these proteins.
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Affiliation(s)
- Lei Liu
- School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Liguo Zhang
- School of Environment, South China Normal University, Guangdong Provincial Engineering Technology Research Center for Wastewater Management and Treatment, Guangzhou, 510006, China.
| | - Yong Liang
- School of Chemistry and Environment, South China Normal University, Guangzhou, 510631, China.
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50
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Chen X, Liang Y. Visual detection of different metal ions based on the tug of war between triangular Au nanoparticles and metal ions against mercaptans. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:227-231. [PMID: 33346752 DOI: 10.1039/d0ay01845g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Herein, a new colorimetric sensor array was developed for the first time, which can rapidly recognize 9 types of metal ions (e.g., Ni2+, Zn2+, Cd2+, Cu2+, Cr3+, Fe2+, Se2+, Mn2+, and Mg2+). The colorimetric characteristics of the sensor array were closely related to the oxidation etching of the triangular gold nanoplates (AuNPLs) by hydrogen peroxide (H2O2), catalyzed by horseradish peroxidase (HRP). In the design, two types of thiols (glutathione (GSH) and cysteine (Cys)) as recognition elements were employed to construct the sensor units (AuNPLs/GSH and AuNPLs/Cys) and adjust the etching degrees of AuNPLs in the presence of various metal ions. The differential binding affinities between metal ions and thiols will lead to different degrees of oxidation etching of AuNPLs with hydrogen peroxide, exhibiting characteristic colors, which can be visually distinguished by the naked eye. Thus, the colorimetric sensor array provides a new way for the discrimination of various metal ions, thereby simplifying the water quality analysis.
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Affiliation(s)
- Xianli Chen
- Medical College of Shaoguan University, No. 108, Xinhua South Road, Shaoguan, Guangdong Province 512026, China
| | - Yong Liang
- School of Chemistry and Environment, South China Normal University, Guangzhou, 510631, China.
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