1
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Ma D, Wang Y, Zhang Q, Wang C, Du Y, Liang D, Shen J, Pan X, Sheng E, Zhu D. Hierarchical magneto-colorimetric labels for immediate lateral flow immunoassay of chlorothalonil residues. Talanta 2024; 280:126743. [PMID: 39178512 DOI: 10.1016/j.talanta.2024.126743] [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: 04/25/2024] [Revised: 08/01/2024] [Accepted: 08/20/2024] [Indexed: 08/26/2024]
Abstract
Quantitative detection of pesticide residues in food and environmental samples using an improved lateral flow immunoassay (LFIA) is of considerable importance for real-time analysis. This paper proposes a highly sensitive LFIA platform based on a hierarchical magneto-colorimetric compact. This compact serves as both the target magnetic enrichment substrate and a photosensitive label. Initially, a large porous dendritic silica template is prepared and doped with superparamagnetic ferric oxide nanoparticles (Fe3O4 NPs) and colloidal gold nanoparticles (AuNPs) at high densities within its vertical channels. The sequential assembly of central-radial channels allow for the three-dimensional integration of these two components, enabling independent control of their discrete functions without mutual interference. Following alkyl organosilicon encapsulation and silica sealing, the composite spheres are then applied in LFIA to detect chlorothalonil residues. Fe3O4 NPs enhance the binding efficiency to target analytes, while AuNPs amplify the signal, leveraging their high loading densities and robust optical properties. The developed LFIA platform exhibited a detection limit of 0.34 ng/mL for chlorothalonil and a linear range of 0.0085-824 ng/mL. The recoveries varied between 85.1 % and 103.1 %, and the relative standard deviations were 1.25%-8.84 %. This LFIA approach demonstrates high sensitivity, specificity, reproducibility and flexible detection modes, making it highly suitable for the on-site monitoring of pesticide residues.
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Affiliation(s)
- Dandan Ma
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China
| | - Yuting Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China
| | - Qijia Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China
| | - Chao Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China
| | - Yixuan Du
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China
| | - Dongbing Liang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China
| | - Jiachen Shen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China
| | - Xing Pan
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China
| | - Enze Sheng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China.
| | - Dong Zhu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210002, PR China.
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2
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Gao F, Ye S, Huang L, Gu Z. A nanoparticle-assisted signal-enhancement technique for lateral flow immunoassays. J Mater Chem B 2024; 12:6735-6756. [PMID: 38920348 DOI: 10.1039/d4tb00865k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Lateral flow immunoassay (LFIA), an affordable and rapid paper-based detection technology, is employed extensively in clinical diagnosis, environmental monitoring, and food safety analysis. The COVID-19 pandemic underscored the validity and adoption of LFIA in performing large-scale clinical and public health testing. The unprecedented demand for prompt diagnostic responses and advances in nanotechnology have fueled the rise of next-generation LFIA technologies. The utilization of nanoparticles to amplify signals represents an innovative approach aimed at augmenting LFIA sensitivity. This review probes the nanoparticle-assisted amplification strategies in LFIA applications to secure low detection limits and expedited response rates. Emphasis is placed on comprehending the correlation between the physicochemical properties of nanoparticles and LFIA performance. Lastly, we shed light on the challenges and opportunities in this prolific field.
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Affiliation(s)
- Fang Gao
- Institute of Energy Materials Science, University of Shanghai for Science and Technology, Shanghai 200093, P. R. China
| | - Shaonian Ye
- Institute of Energy Materials Science, University of Shanghai for Science and Technology, Shanghai 200093, P. R. China
| | - Lin Huang
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China.
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China
| | - Zhengying Gu
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China.
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China
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3
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Jin Z, Sheng W, Sun M, Bai D, Ren L, Wang S, Wang Z, Tang X, Ya T. Preparation of a capsaicinoids broad spectrum antibody and its application in non-enzyme immunoassay based on DMSNs@PDA@Pt. JOURNAL OF HAZARDOUS MATERIALS 2024; 466:133670. [PMID: 38309155 DOI: 10.1016/j.jhazmat.2024.133670] [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: 12/06/2023] [Revised: 01/15/2024] [Accepted: 01/29/2024] [Indexed: 02/05/2024]
Abstract
Capsaicinoids (CPCs) is a special ingredient with pungent smell in condiments, which can also be used as an exogenetic marker for kitchen waste oil. Development of immunoassay for CPCs remains a challenging due to relatively difficult preparation of the broad-spectrum antibody (Ab). In this work, a broad-spectrum polyclonal antibody (pAb) which can simultaneously recognize capsaicin (CPC), dihydrocapsaicin (DCPC), nordihydrocapsaicin (NDCPC), and N-vanillylnonanamide (N-V) is produced, and a non-enzyme immunoassay (NISA) based on this Ab, dendritic mesoporous silica nanomaterials (DMSNs), polydopamine (PDA), and high catalytic efficiency of Pt nanoparticles to prepare signal probe (DMSNs@PDA@Pt) is established. Here, the limit of detection (LOD) of NISA for CPC is as low as 0.04 μg L-1. It is worth mentioning that the LOD of the proposed NISA is at least 23 times lower than that of traditional enzyme-linked immunosorbent assay (ELISA) based on horseradish peroxidase (HRP). Moreover, the proposed NISA is applied to detect CPCs in edible oil samples, the result has good consistency with that of ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The proposed NISA based on DMSN@PDA@Pt and broad-spectrum Ab is an ideal tool for highly effective screening CPCs for kitchen waste oil abuse surveillance.
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Affiliation(s)
- Zixin Jin
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Wei Sheng
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, PR China.
| | - Meiyi Sun
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Dongmei Bai
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Lishuai Ren
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Shuo Wang
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China.
| | - Ziwuzhen Wang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Xinshuang Tang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Tingting Ya
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, PR China
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4
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Xue X, Persson H, Ye L. Polydopamine functionalized dendritic fibrous silica nanoparticles as a generic platform for nucleic acid-based biosensing. Mikrochim Acta 2024; 191:180. [PMID: 38443718 PMCID: PMC10914921 DOI: 10.1007/s00604-024-06234-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 02/13/2024] [Indexed: 03/07/2024]
Abstract
Accurate and rapid detection of nucleic acid sequences is of utmost importance in various fields, including disease monitoring, clinical treatment, gene analysis and drug discovery. In this study, we developed a "turn-on" fluorescence biosensor that enables simple and highly efficient detection of nucleic acid biomarkers. Our approach involves the utilization of 6-carboxyfluorescein modified single-stranded DNA (FAM-ssDNA) as molecular recognition element, along with polydopamine-functionalized dendritic fibrous nanosilica (DFNS). FAM-ssDNA serves as both specific molecular recognition element for the target analyte and reporter capable of transducing a detectable signal through Watson-Crick base pairing. The polydopamine-functionalized DFNS (DFNS@DA) exhibits strong binding to FAM-ssDNA via polyvalent metal mediated coordination leading to effective quenching by fluorescence resonance energy transfer. In the presence of a complementary target sequence, FAM-ssDNA forms hybridized structure and detaches from DFNS@DA, which causes an increased fluorescence emission. The analytical system based on FAM-ssDNA and DFNS@DA demonstrates exceptional sensitivity, selectivity, and rapid response for the detection of nucleic acid sequences, leveraging the high adsorption and quenching properties of DFNS@DA. For the first proof of concept, we demonstrated the successful detection of microRNA (miR-21) in cancer cells using the FAM-ssDNA/DFNS@DA system. Our results highlight the promising capabilities of DFNS@DA and nucleic acid-based biosensors, offering a generic and cost-effective solution for the detection of nucleic acid-related biomarkers.
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Affiliation(s)
- Xiaoting Xue
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, 22100, Lund, Sweden
| | - Helena Persson
- Division of Oncology, Department of Clinical Sciences, Lund University Cancer Center, 22381, Lund, Sweden
| | - Lei Ye
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, 22100, Lund, Sweden.
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Maulana MY, Raissa R, Nurrudin A, Andreani AS, Angelina M, Septiani NLW, Yuliarto B, Jenie SNA. An ultra-sensitive SARS-CoV-2 antigen optical biosensor based on angiotensin converting enzyme 2 (ACE-2) functionalized magnetic-fluorescent silica nanoparticles. NANOTECHNOLOGY 2024; 35:205702. [PMID: 38330490 DOI: 10.1088/1361-6528/ad27aa] [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: 05/20/2023] [Accepted: 02/08/2024] [Indexed: 02/10/2024]
Abstract
This work reports on the design and synthesis of an angiotensin-converting enzyme 2 (ACE-2) functionalized magnetic fluorescent silica nanoparticles (Fe-FSNP) as a biosensing platform to detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antigen. Iron oxide (Fe3O4) nanoparticles were synthesized via ultrasonic-assisted coprecipitation and then coated with fluorescent silica nanoparticles (FSNP) through thesol-gelmethod forming the Fe-FSNP samples. Silica obtained from local geothermal powerplant was used in this work and Rhodamine B was chosen as the incorporated fluorescent dye, hence this reports for the first time ACE-2 was immobilized on the natural silica surface. The Fe-FSNP nanoparticle consists of a 18-25 nm magnetic core and a silica shell with a thickness of 30 nm as confirmed from the transmission electron microscopy image. Successful surface functionalization of the Fe-FSNP with ACE-2 as bioreceptor was conducted through hydrosylilation reaction and confirmed through the Fourier transform infrared spectroscopy. The detection of SARS-Cov-2 antigen by Fe-FSNP/ACE2 was measured through the change in its maximum fluorescence intensity at 588 nm where fluorescence- quenching had occurred. The biosensing platform showed a rapid response at 30 min with a linear range of 10-6to 10-2μg ml-1. The magnetic-fluorescent properties of the nanoparticle enables an ultra-sensitive detection of SARS-Cov-2 antigen with the limit of detection as low as 2 fg ml-1.
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Affiliation(s)
- Muhammad Yovinanda Maulana
- Advanced Functional Material Research Group, Faculty of Industrial Technology, Institut Teknologi Bandung (ITB), Bandung 40132, Indonesia
| | - Raissa Raissa
- Doctoral Program of Engineering Physics, Faculty of Industrial Technology, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Department of Chemistry, Universitas Pertamina, Jakarta 12200, Indonesia
| | - Ahmad Nurrudin
- Advanced Functional Material Research Group, Faculty of Industrial Technology, Institut Teknologi Bandung (ITB), Bandung 40132, Indonesia
- BRIN and ITB Collaboration Research Centre for Biosensor and Biodevices, Jl. Ganesha 10, Bandung, Jawa Barat 40132, Indonesia
| | - Agustina Sus Andreani
- BRIN and ITB Collaboration Research Centre for Biosensor and Biodevices, Jl. Ganesha 10, Bandung, Jawa Barat 40132, Indonesia
- Research Centre for Chemistry, National Research and Innovation Agency (BRIN), Building 452, Kawasan Puspitek, South Tangerang 15314, Indonesia
| | - Marissa Angelina
- BRIN and ITB Collaboration Research Centre for Biosensor and Biodevices, Jl. Ganesha 10, Bandung, Jawa Barat 40132, Indonesia
- Research Center for Pharmaceutical Ingredients and Traditional Medicine, National Research and Innovation Agency (BRIN), Cibinong Science Center (CSC), Bogor, West Java 16911, Indonesia
| | - Ni Luh Wulan Septiani
- Research Centre for Advanced Materials, National Research and Innovation Agency (BRIN), Kawasan Puspitek, South Tangerang 15314, Indonesia
| | - Brian Yuliarto
- Advanced Functional Material Research Group, Faculty of Industrial Technology, Institut Teknologi Bandung (ITB), Bandung 40132, Indonesia
- BRIN and ITB Collaboration Research Centre for Biosensor and Biodevices, Jl. Ganesha 10, Bandung, Jawa Barat 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung (ITB), Bandung 40132, Indonesia
| | - S N Aisyiyah Jenie
- BRIN and ITB Collaboration Research Centre for Biosensor and Biodevices, Jl. Ganesha 10, Bandung, Jawa Barat 40132, Indonesia
- Research Centre for Chemistry, National Research and Innovation Agency (BRIN), Building 452, Kawasan Puspitek, South Tangerang 15314, Indonesia
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6
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Hu JX, Ding SN. In Situ Synthesis of Highly Fluorescent, Phosphorus-Doping Carbon-Dot-Functionalized, Dendritic Silica Nanoparticles Applied for Multi-Component Lateral Flow Immunoassay. SENSORS (BASEL, SWITZERLAND) 2023; 24:19. [PMID: 38202881 PMCID: PMC10780618 DOI: 10.3390/s24010019] [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: 11/24/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024]
Abstract
The sensitivity of fluorescent lateral flow immunoassay (LFIA) test strips is compromised by the low fluorescence intensity of the signaling molecules. In this study, we synthesized novel phosphorus-doped carbon-dot-based dendritic mesoporous silica nanoparticles (DMSNs-BCDs) with a quantum yield as high as 93.7% to break this bottleneck. Meanwhile, the in situ growth method increased the loading capacity of carbon dots on dendritic mesoporous silica, effectively enhancing the fluorescence intensity of the composite nanospheres. Applied DMSNs-BCDs in LFIA can not only semi-quantitatively detect a single component in a short time frame (procalcitonin (PCT), within 15 min) but also detect the dual components with a low limit of detection (LOD) (carbohydrate antigen 199 (CA199) LOD: 1 U/mL; alpha-fetoprotein (AFP) LOD: 0.01 ng/mL). And the LOD of PCT detection (0.01 ng/mL) is lower by 1.7 orders of magnitude compared to conventional colloidal gold strips. For CA199, the LOD is reduced by a factor of four compared to LFIA using gold nanoparticles as substrates, and for AFP, the LOD is lowered by two orders of magnitude compared to colloidal gold LFIA. Furthermore, the coefficients of variation (CV) for intra-assay and inter-assay measurements are both less than 11%.
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Affiliation(s)
| | - Shou-Nian Ding
- Jiangsu Province Hi-Tech Key Laboratory for Bio-Medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China;
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7
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Yu Q, Li J, Zheng S, Xia X, Xu C, Wang C, Wang C, Gu B. Molybdenum disulfide-loaded multilayer AuNPs with colorimetric-SERS dual-signal enhancement activities for flexible immunochromatographic diagnosis of monkeypox virus. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132136. [PMID: 37499496 DOI: 10.1016/j.jhazmat.2023.132136] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/08/2023] [Accepted: 07/21/2023] [Indexed: 07/29/2023]
Abstract
The sudden outbreak of monkeypox in 2022 suggests the importance of developing a rapid but sensitive virus detection technology. Herein, we report a colorimetric/surface-enhanced Raman scattering (SERS) dual-signal co-enhanced immunochromatographic assay (ICA) for the flexible, ultrasensitive, and accurate detection of monkeypox virus (MPXV) in various complex samples. A thickness-controlled polyethyleneimine interlayer (1 nm) is coated onto two-dimensional molybdenum disulfide (MoS2) nanosheet to enable the electrostatic adsorption of two layers of dense 30 nm AuNPs, which not only improves colorimetric ability but also creates numerous efficient SERS hotspots. Moreover, the SERS activity of film-like dual-signal tag (MoS2@Au-Au) is drastically enhanced by combining the chemical enhancement effect of MoS2 sheets and the electromagnetic enhancement effect of Au-Au hotspots. The introduction of MoS2@Au-Au greatly broadens the application range of existing ICA methods, in which the colorimetric signal supports the quick identification of the target virus and the SERS signal allows the quantitative detection of MPXV with detection limits of as low as 0.2 and 0.002 ng/mL. Given its rapid detection ability (< 20 min), high accuracy in real samples (RSD < 9.89 %), and superior sensitivity than traditional AuNP-based colorimetric ICA (> 500 times), the proposed assay has great potential for field application.
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Affiliation(s)
- Qing Yu
- Department of Clinical Laboratory Medicine, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong 510000, China; College of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Jiaxuan Li
- Department of Clinical Laboratory Medicine, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong 510000, China; College of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Shuai Zheng
- Department of Clinical Laboratory Medicine, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong 510000, China
| | - Xuan Xia
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Changyue Xu
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Chaoguang Wang
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410073, China.
| | - Chongwen Wang
- Department of Clinical Laboratory Medicine, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong 510000, China; College of Life Sciences, Anhui Agricultural University, Hefei 230036, China.
| | - Bing Gu
- Department of Clinical Laboratory Medicine, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong 510000, China.
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8
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Wang Z, Zheng S, Zhang C, Wang W, Wang Q, Li Z, Wang S, Zhang L, Liu Y. Introduction of multilayered quantum dot nanobeads into competitive lateral flow assays for ultrasensitive and quantitative monitoring of pesticides in complex samples. Mikrochim Acta 2023; 190:361. [PMID: 37606829 DOI: 10.1007/s00604-023-05913-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 07/11/2023] [Indexed: 08/23/2023]
Abstract
A competitive fluorescent lateral flow assay (CFLFA) is proposed for direct, ultrasensitive, quantitative detection of common pesticides imidacloprid (IMI) and carbendazim (CBZ) in complex food samples by using silica-core multilayered quantum dot nanobeads (SiO2-MQB) as liquid fluorescent tags. The SiO2-MQB nanostructure comprises a 200-nm SiO2 core and a shell of hundreds of carboxylated QDs (excitation/emission maxima ~365/631 nm), and can generate better stability, superior dispersibility, and higher luminescence than traditional fluorescent beads, greatly improving the sensitivity of current LFA methods for pesticides. Moreover, using liquid SiO2-MQB directly instead of via the conjugate pad both simplifies the structure of LFA system and improves the efficiency of immunobinding reactions between nanotags and the targets. Applying these methods, the established CFLFA realized the stable and accurate detection of IMI and CBZ in 12 min, with detection limits down to 1.94 and 14.79 pg/mL, respectively. The SiO2-MQB-CFLFA is practicable for application to real food samples (corn, apple, cucumber, and cabbage), and undoubtedly a promising and low-cost tool for on-site monitoring of trace pesticide residues.
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Affiliation(s)
- Zhenmei Wang
- School of Physics and Electronic Information, Anhui Normal University, Wuhu, 241000, People's Republic of China
| | - Shuai Zheng
- Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, 230036, People's Republic of China
| | - Chijian Zhang
- School of Physics and Electronic Information, Anhui Normal University, Wuhu, 241000, People's Republic of China
| | - Wenqi Wang
- Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, 230036, People's Republic of China
| | - Qian Wang
- Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, 230036, People's Republic of China
| | - Zhigang Li
- Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, 230036, People's Republic of China
| | - Shu Wang
- Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, 230036, People's Republic of China.
| | - Long Zhang
- Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei, 230036, People's Republic of China.
| | - Yong Liu
- Wan Jiang new industry technology development center, Tongling, 244000, People's Republic of China.
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9
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Hu M, Hu X, Wang G, Cheng Y, Yu X, Huang X, Li Y. A fluorescent lateral flow immunoassay based on CdSe/CdS/ZnS quantum dots for sensitive detection of olaquindox in feedstuff. Food Chem 2023; 419:136025. [PMID: 37030205 DOI: 10.1016/j.foodchem.2023.136025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 03/15/2023] [Accepted: 03/21/2023] [Indexed: 04/07/2023]
Abstract
A portable fluorescence immunosensor based on the CdSe/CdS/ZnS quantum dots (QDs) with multiple-shell structure was fabricated for the precise quantification of olaquindox (OLA). The QDs labeled anti-OLA antibody used as bioprobe played an important role in the design and preparation of a lateral flow test strip. Due to the strong fluorescent intensity of QDs, the sensitivity is greatly improved. The quantitative results were obtained using a fluorescent strip scan reader within 8 min, and the calculated limit of detection for OLA at 0.12 µg/kg, which was 2.7 times more sensitive than that of the conventional colloidal gold-based strips method. Acceptable recovery of 85.0%-95.5% was obtained by the spiked samples. This newly established QDs-based strip immunoassay method is suitable for the on-site detection and rapid initial screening of OLA in swine feedstuff, and is potentially applied for the detection of other veterinary drugs to ensure food safety.
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10
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Yang S, Du J, Wei M, Huang Y, Zhang Y, Wang Y, Li J, Wei W, Qiao Y, Dong H, Zhang X. Colorimetric-photothermal-magnetic three-in-one lateral flow immunoassay for two formats of biogenic amines sensitive and reliable quantification. Anal Chim Acta 2023; 1239:340660. [PMID: 36628753 DOI: 10.1016/j.aca.2022.340660] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022]
Abstract
Rapid, simple, sensitive and reliable approaches for biogenic amines quantification in various food samples are essential to food safety. Lateral flow immunoassay (LFIA) has been wildly utilized in point-of-care testing (POCT) owing to its advantage of flexibility and feasibility. Here, we reported a Fe3O4@Au nanoparticles (NPs) (Fe3O4@AuNPs) based multimodal readout LFIA for rapid putrescine (Put) and histamine (His) quantification with a LOD down to 10 and 10 ng/mL in naked eye mode, 2.31 and 4.39 ng/mL in photothermal mode, 0.17 and 0.31 ng/mL in magnetic mode, respectively. Such multi-mode assay has been successfully used to detect Biogenic amines (BAs) in raw aquatic foods, including fish, prawns, beef, and pork, with overall recoveries ranging from 93.68 to 109.34%. Meanwhile, it is easily expanded to detect other typical BAs with high sensitivity by simply replacing antibodies. In view of the multi-signal reading, two quantitative formats, and high sensitivity, it may greatly widen the application of lateral flow detection in food safety.
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Affiliation(s)
- Shuangshuang Yang
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, PR China; Marshall Laboratory of Biomedical Engineering, Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Guangdong, 518060, PR China
| | - Jinya Du
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, PR China
| | - Menglian Wei
- Marshall Laboratory of Biomedical Engineering, Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Guangdong, 518060, PR China
| | - Yan Huang
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, PR China
| | - Yufan Zhang
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, PR China
| | - Yeyu Wang
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, PR China
| | - Jinze Li
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, PR China
| | - Wei Wei
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, PR China
| | - Yuchun Qiao
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, PR China
| | - Haifeng Dong
- Marshall Laboratory of Biomedical Engineering, Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Guangdong, 518060, PR China.
| | - Xueji Zhang
- Marshall Laboratory of Biomedical Engineering, Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Guangdong, 518060, PR China.
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11
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Chen X, Wei X, Cheng S, Liu Z, Su Y, Xiong Y, Huang X. High-performance green-emitting AIE nanoparticles for lateral flow immunoassay applications. Mikrochim Acta 2023; 190:56. [PMID: 36645516 DOI: 10.1007/s00604-022-05616-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 12/06/2022] [Indexed: 01/17/2023]
Abstract
Ultrabright green-emissive AIE nanoparticles (AIENPs) were used as signal-amplification probes to enhance the detectability of lateral flow immunoassay (LFIA). The detection performances of the green-emissive AIENP probes in both sandwich and competitive LFIA formats were systematically evaluated. Benefiting from its remarkable fluorescent brightness, the developed AIENP-LFIA showed versatile applicability for the detection of small molecules and macromolecules by using ochratoxin A (OTA) and procalcitonin (PCT) as model analytes, respectively. Under the optimum conditions, the detection limits (LODs) of the fabricated AIENP-LFIA for OTA and PCT were 0.043 ng mL-1 and 0.019 ng mL-1, respectively. These LOD values are significantly lower than those of conventional LFIA methods using gold nanoparticles as signal reporters. In addition, we demonstrated the practical application potential of AIENP-LFIA for the detection of OTA in real maize samples and PCT in real serum samples. These results indicated that the ultrabright green-emissive AIENPs were promising as signal output materials for building high-performance LFIA platform and broadening the application scenarios of LFIA.
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Affiliation(s)
- Xirui Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China
- School of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China
| | - Xiaxia Wei
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China
- School of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China
| | - Song Cheng
- Guangzhou Development District, AIE Institute, Guangzhou, 510530, Huangpu, People's Republic of China
| | - Zilong Liu
- School of Food Science and Engineering, Hainan University, Haikou, 570228, China
| | - Yu Su
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China.
- School of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China.
| | - Yonghua Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China
- School of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China
- Jiangxi-OAI Joint Research Institute, Nanchang University, Nanchang, 330047, People's Republic of China
| | - Xiaolin Huang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China.
- School of Food Science and Technology, Nanchang University, Nanchang, 330047, People's Republic of China.
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12
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Wang F, Zhang X, Huangfu C, Zhi H, Wang Y, Feng L. Novel Paraquat Detection Strategy Enabled by Carboxylatopillar[5]arene Confined in Nanochannels on a Paper-Based Sensor. Anal Chem 2022; 94:18059-18066. [PMID: 36523210 DOI: 10.1021/acs.analchem.2c04586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Paper-based optical sensors have emerged as a promising technology for pesticide detection and attracted extensive attention. However, in practical analytical applications, it may suffer from limited sensitivity with traditional signal amplification strategies. Here, we developed a novel mesoporous silica-modified paper-based sensor for a sensitive capture and analysis of the pesticide paraquat. Carboxylatopillar[5]arene was covalently introduced into the nanochannels for the rapid capture of target paraquat molecules due to the mass transfer confinement effect within nanopores. In addition, the large specific surface area of mesoporous silica enabled high-abundance immobilization of the capture agent and promoted its binding efficiency, which, in turn, contributed to improving the sensitivity. This work highlights the great potential of nanochannels as a development platform for sensitive paper-based sensors that can be used to develop new systems for the detection of paraquat and even other pesticides.
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Affiliation(s)
- Fengya Wang
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian116023, P. R. China.,University of Chinese Academy of Sciences, Beijing100049, P. R. China
| | - Xiaobo Zhang
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian116023, P. R. China.,University of Chinese Academy of Sciences, Beijing100049, P. R. China
| | - Changxin Huangfu
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian116023, P. R. China
| | - Hui Zhi
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian116023, P. R. China
| | - Yu Wang
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian116023, P. R. China
| | - Liang Feng
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian116023, P. R. China
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13
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Chatterjee S, Mukhopadhyay S. Recent advances of lateral flow immunoassay components as “point of need”. J Immunoassay Immunochem 2022; 43:579-604. [DOI: 10.1080/15321819.2022.2122063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Susraba Chatterjee
- Department of Laboratory Medicine, School of Tropical Medicine, 108, C.R.Avenue, Kolkata 700073, West Bengal
| | - Sumi Mukhopadhyay
- Department of Laboratory Medicine, School of Tropical Medicine, 108, C.R.Avenue, Kolkata 700073, West Bengal
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14
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Xu C, Lei C, Hosseinpour S, Ivanovski S, Walsh LJ, Khademhosseini A. Nanotechnology for the management of COVID-19 during the pandemic and in the post-pandemic era. Natl Sci Rev 2022; 9:nwac124. [PMID: 36196115 PMCID: PMC9522393 DOI: 10.1093/nsr/nwac124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/05/2022] [Accepted: 06/08/2022] [Indexed: 11/12/2022] Open
Abstract
Following the global COVID-19 pandemic, nanotechnology has been at the forefront of research efforts and enables the fast development of diagnostic tools, vaccines and antiviral treatment for this novel virus (SARS-CoV-2). In this review, we first summarize nanotechnology with regard to the detection of SARS-CoV-2, including nanoparticle-based techniques such as rapid antigen testing, and nanopore-based sequencing and sensing techniques. Then we investigate nanotechnology as it applies to the development of COVID-19 vaccines and anti-SARS-CoV-2 nanomaterials. We also highlight nanotechnology for the post-pandemic era, by providing tools for the battle with SARS-CoV-2 variants and for enhancing the global distribution of vaccines. Nanotechnology not only contributes to the management of the ongoing COVID-19 pandemic but also provides platforms for the prevention, rapid diagnosis, vaccines and antiviral drugs of possible future virus outbreaks.
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Affiliation(s)
- Chun Xu
- School of Dentistry, The University of Queensland , Brisbane , Queensland 4006 , Australia
- Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), School of Dentistry, The University of Queensland , Brisbane , Queensland 4006 , Australia
| | - Chang Lei
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland , St Lucia, QLD 4072 , Australia
| | - Sepanta Hosseinpour
- School of Dentistry, The University of Queensland , Brisbane , Queensland 4006 , Australia
- Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), School of Dentistry, The University of Queensland , Brisbane , Queensland 4006 , Australia
| | - Saso Ivanovski
- School of Dentistry, The University of Queensland , Brisbane , Queensland 4006 , Australia
- Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), School of Dentistry, The University of Queensland , Brisbane , Queensland 4006 , Australia
| | - Laurence J Walsh
- School of Dentistry, The University of Queensland , Brisbane , Queensland 4006 , Australia
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation , Los Angeles , CA 90064 , USA
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15
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Zhuang H, Xu C, Gao F, Li Y, Lei C, Yu C. Recent Advances in Silica-Nanomaterial-Assisted Lateral Flow Assay. Bioengineering (Basel) 2022; 9:bioengineering9070266. [PMID: 35877318 PMCID: PMC9311751 DOI: 10.3390/bioengineering9070266] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/18/2022] [Accepted: 06/19/2022] [Indexed: 12/20/2022] Open
Abstract
Lateral flow assays (LFAs) have attracted much attention as rapid and affordable point-of-care devices for medical diagnostics. The global SARS-CoV-2 pandemic has further highlighted the importance of LFAs. Many efforts have been made to enhance the sensitivity of LFAs. In recent years, silica nanomaterials have been used to either amplify the signal of label materials or provide stability, resulting in better detection performance. In this review, the recent progress of silica-nanomaterial-assisted LFAs is summarized. The impact of the structure of silica nanomaterials on LFA performance, the challenges and prospects in this research area are also discussed.
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Affiliation(s)
- Han Zhuang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
| | - Chun Xu
- School of Dentistry, The University of Queensland, Brisbane, QLD 4006, Australia;
| | - Fang Gao
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
| | - Yiwei Li
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
| | - Chang Lei
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
- Correspondence: (C.L.); (C.Y.)
| | - Chengzhong Yu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
- Correspondence: (C.L.); (C.Y.)
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16
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Mirica AC, Stan D, Chelcea IC, Mihailescu CM, Ofiteru A, Bocancia-Mateescu LA. Latest Trends in Lateral Flow Immunoassay (LFIA) Detection Labels and Conjugation Process. Front Bioeng Biotechnol 2022; 10:922772. [PMID: 35774059 PMCID: PMC9237331 DOI: 10.3389/fbioe.2022.922772] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 05/19/2022] [Indexed: 01/11/2023] Open
Abstract
LFIA is one of the most successful analytical methods for various target molecules detection. As a recent example, LFIA tests have played an important role in mitigating the effects of the global pandemic with SARS-COV-2, due to their ability to rapidly detect infected individuals and stop further spreading of the virus. For this reason, researchers around the world have done tremendous efforts to improve their sensibility and specificity. The development of LFIA has many sensitive steps, but some of the most important ones are choosing the proper labeling probes, the functionalization method and the conjugation process. There are a series of labeling probes described in the specialized literature, such as gold nanoparticles (GNP), latex particles (LP), magnetic nanoparticles (MNP), quantum dots (QDs) and more recently carbon, silica and europium nanoparticles. The current review aims to present some of the most recent and promising methods for the functionalization of the labeling probes and the conjugation with biomolecules, such as antibodies and antigens. The last chapter is dedicated to a selection of conjugation protocols, applicable to various types of nanoparticles (GNPs, QDs, magnetic nanoparticles, carbon nanoparticles, silica and europium nanoparticles).
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Affiliation(s)
- Andreea-Cristina Mirica
- R&D Department, DDS Diagnostic, Bucharest, Romania
- Advanced Polymer Materials Group, University POLITEHNICA of Bucharest, Bucharest, Romania
| | - Dana Stan
- R&D Department, DDS Diagnostic, Bucharest, Romania
| | | | - Carmen Marinela Mihailescu
- Microsystems in Biomedical and Environmental Applications, National Institute for Research and Development in Microtechnologies, Bucharest, Romania
- Pharmaceutical Faculty, Titu Maiorescu University, Bucharest, Romania
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17
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Su D, Li H, Zhou R, Zhao L, Li A, Liu X, Wang C, Jia X, Liu F, Sun P, Yan X, Zhu C, Lu G. Embedding Proteins within Spatially Controlled Hierarchical Nanoarchitectures for Ultrasensitive Immunoassay. Anal Chem 2022; 94:6271-6280. [PMID: 35417142 DOI: 10.1021/acs.analchem.2c00269] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Modulating the precise self-assembly of functional biomacromolecules is a critical challenge in biotechnology. Herein, functional biomacromolecule-assembled hierarchical hybrid nanoarchitectures in a spatially controlled fashion are synthesized, achieving the biorecognition behavior and signal amplification in the immunoassay simultaneously. Biomacromolecules with sequential assembly on the scaffold through the biomineralization process show significantly enhanced stability, bioactivity, and utilization efficiency, allowing tuning of their functions by modifying their size and composition. The hierarchically hybrid nanoarchitectures show great potential in construction of ultrasensitive immunoassay platforms, achieving a three order-of-magnitude increase in sensitivity. Notably, the well-designed HRP@Ab2 nanoarchitectures allow for optical immunoassays with a detection range from picogram mL-1 to microgram mL-1 on demand, providing great promise for quantitative analysis of both low-abundance and high-residue targets for biomedical applications.
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Affiliation(s)
- Dandan Su
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Hongxia Li
- Department of Food Quality and Safety, College of Food Science and Engineering, Jilin University, Changchun 130062, People's Republic of China
| | - Ri Zhou
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Lianjing Zhao
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Aixin Li
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Xiaomin Liu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Chenguang Wang
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Xiaoteng Jia
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Fangmeng Liu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Peng Sun
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Xu Yan
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
| | - Chengzhou Zhu
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensing Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, People's Republic of China
| | - Geyu Lu
- State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, People's Republic of China
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18
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Li D, Huang M, Shi Z, Huang L, Jin J, Jiang C, Yu W, Guo Z, Wang J. Ultrasensitive Competitive Lateral Flow Immunoassay with Visual Semiquantitative Inspection and Flexible Quantification Capabilities. Anal Chem 2022; 94:2996-3004. [PMID: 35107983 DOI: 10.1021/acs.analchem.1c05364] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Antibiotics abuse has caused various problems threatening human health and ecological environment. Monitoring antibiotics residual levels is of great significance, yet still challenging for quantitative point-of-need testing with high-sensitivity and visual capability. Here we developed a competitive lateral flow immunoassay (CLFIA) platform with flexible readout for enrofloxacin (ENR), a regularly added antibiotic. To overcome the limitation of low sensitivity of traditional colloidal gold-based CLFIA, the three-dimensionally assembled gold nanoparticles (AuNPs) within dendritic silica scaffold were fabricated as signal reporters. The assembly structure effectively retained the intrinsic absorption features of hydrophobic AuNPs and greatly enhanced the light extinction ability of a single label for signal amplification. The obtained CLFIA strips can not only achieve qualitative screening of ENR at a very low concentration by naked eye (cutoff value: 0.125 ng/mL), but also enable ultrasensitive quantification of ENR by an optical scanner (limit of detection: 0.00195 ng/mL) or a smartphone (limit of detection: 0.0078 ng/mL). Moreover, to elaborate the visual inspection degree of CLFIA against traditional yes/no interpretation, a novel multirange gradient CLFIA strip was prepared for visually semiquantitative identification of ENR with four concentration ranges. The novel CLFIA platform demonstrated sensitive, specific, and reliable determination of ENR with flexible signal readout and provides a potential and invigorating pathway to point-of-need immunoassay of antibiotics.
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Affiliation(s)
- Daquan Li
- College of Chemical Engineering, Zhejiang University of Technology. Hangzhou 310014, (PR China)
| | - Mei Huang
- College of Chemical Engineering, Zhejiang University of Technology. Hangzhou 310014, (PR China)
| | - Ziyu Shi
- College of Chemical Engineering, Zhejiang University of Technology. Hangzhou 310014, (PR China)
| | - Liang Huang
- College of Chemical Engineering, Zhejiang University of Technology. Hangzhou 310014, (PR China)
| | - Jiening Jin
- College of Chemical Engineering, Zhejiang University of Technology. Hangzhou 310014, (PR China)
| | - Chenxing Jiang
- College of Chemical Engineering, Zhejiang University of Technology. Hangzhou 310014, (PR China)
| | - Wenbo Yu
- College of Veterinary Medicine, China Agricultural University. Beijing 100193 (PR China)
| | - Zhiyong Guo
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211(PR China)
| | - Jing Wang
- College of Chemical Engineering, Zhejiang University of Technology. Hangzhou 310014, (PR China)
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19
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Gao F, Liu C, Yao Y, Lei C, Li S, Yuan L, Song H, Yang Y, Wan J, Yu C. Quantum dots' size matters for balancing their quantity and quality in label materials to improve lateral flow immunoassay performance for C-reactive protein determination. Biosens Bioelectron 2021; 199:113892. [PMID: 34933225 DOI: 10.1016/j.bios.2021.113892] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/12/2021] [Accepted: 12/13/2021] [Indexed: 12/18/2022]
Abstract
Incorporating quantum dots (QDs) into dendritic mesoporous silica nanoparticles (DMSNs) for signal amplification of label materials represents an efficient strategy to improve the performance of lateral flow immunoassays (LFIAs). In this work, it is found that the CdSe/ZnS QD's size matters for balancing their loading amount and quantum yields (QYs) in the DMSNs-QDs based label materials and ultimately determining the performance of LFIA. The impacts of three CdSe/ZnS QDs with diameters of 9.1, 10.5 and 11.7 nm on CdSe/ZnS QDs incorporation and LFIA applications are studied. The increase of CdSe/ZnS QDs size from 9.1 to 11.7 nm results in a decrease in CdSe/ZnS QDs loading amount and an increase in QYs of incorporated CdSe/ZnS QDs. This trade-off leads to an optimized CdSe/ZnS QDs size of 10.5 nm, which exhibits the best LFIA performance due to the balanced QDs loading (2.26 g g-1) and QY (57.1%). The 10.5 nm CdSe/ZnS QDs incorporated DMSNs-QDs for C-reactive protein (CRP) detection achieved a limit of detection of 5 pg mL-1 (equivalent to 4.2 × 10-14 M) with naked eye, which is lower than literature reports and commercial LFIA products. This study demonstrates that the CdSe/ZnS QD's size matters for improving the quality of DMSNs-QDs and their LFIA performance for CRP determination, providing new insights into the rational design of advanced label materials for improving LFIA performance.
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Affiliation(s)
- Fang Gao
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Chao Liu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
| | - Yining Yao
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
| | - Chang Lei
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland, 4072, Australia.
| | - Shumin Li
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
| | - Ling Yuan
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
| | - Hao Song
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Yannan Yang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Jingjing Wan
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China
| | - Chengzhong Yu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland, 4072, Australia; School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, PR China.
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20
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Ensuring food safety using fluorescent nanoparticles-based immunochromatographic test strips. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.10.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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21
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Su L, Hu H, Tian Y, Jia C, Wang L, Zhang H, Wang J, Zhang D. Highly Sensitive Colorimetric/Surface-Enhanced Raman Spectroscopy Immunoassay Relying on a Metallic Core-Shell Au/Au Nanostar with Clenbuterol as a Target Analyte. Anal Chem 2021; 93:8362-8369. [PMID: 34077199 DOI: 10.1021/acs.analchem.1c01487] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Lateral flow immunoassay (LFIA) has emerged as an effective technique in the field of food safety and environmental monitoring. However, sensitive and quantitative detection is still challenging for LFIAs in complex environments. In this work, a dual-model colorimetric/SERS lateral flow immunoassay for ultrasensitive determination of clenbuterol was constructed based on a metallic core-shell Au/Au nanostar acting as a multifunction tag. Raman reporter molecules are located between the core (AuNP) and shell (Au nanostar) to form a sandwich structure, which contributes to eliminate the environmental interference and improve the detection stability. In addition, the Au/Au nanostar provides a much higher Raman enhancement due to the presence of sharp tips and larger surface roughness in comparison with gold nanoparticles (AuNPs). Thus, on the basis of the antibody-antigen interaction, the dual-model immunoassay can produce strong colorimetric and surface-enhanced Raman spectroscopy (SERS) signals for highly sensitive detection of the target analyte, clenbuterol. Under optimal conditions, clenbuterol could be detected by the colorimetric model with a visual detection limit of 5 ng/mL. Meanwhile, the SERS signal of the Au/Au nanostar was accumulated on the test line for the SERS model detection with a quantitative detection limit as low as 0.05 ng/mL, which is at least 200-fold lower than that of the traditional AuNPs-based immunoassay. Furthermore, recovery rates of the proposed method in food samples were 86-110%. This dual-model immunoassay provides an effective tool for antibiotic residues analysis and demonstrates a broad potential for future applications in food safety monitoring.
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Affiliation(s)
- Lihong Su
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shanxi, 712100 China
| | - Huilan Hu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shanxi, 712100 China
| | - Yanli Tian
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shanxi, 712100 China
| | - Conghui Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shanxi, 712100 China
| | - Lulu Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shanxi, 712100 China
| | - Han Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shanxi, 712100 China
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shanxi, 712100 China
| | - Daohong Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shanxi, 712100 China
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