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Li J, Jiang L, Shu Y, Song S, Xu L, Kuang H, Xu C, Guo L. Quantitative immunochromatographic assay for rapid and cost-effective on-site detection of benzo[a]pyrene in oilfield chemicals. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:134100. [PMID: 38522202 DOI: 10.1016/j.jhazmat.2024.134100] [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: 11/19/2023] [Revised: 03/13/2024] [Accepted: 03/19/2024] [Indexed: 03/26/2024]
Abstract
Contamination of oilfield chemicals (OFCs) by benzo[a]pyrene (B[a]P) is increasingly becoming a severe environmental security issue. There is an urgent need to develop a rapid and accurate method for B[a]P detection in OFCs. In this study, B[a]P hapten was designed using computer aided molecular design. A high-affinity, specific, and matrix-insensitive monoclonal antibody (mAb) with IC50 values of 6.77 ng/mL was obtained. Based on this mAb, we developed a rapid gold nanoparticle-based immunochromatographic strip assay (GICA) with double T-line mode for on-site detection of B[a]P in OFCs samples. The GICA exhibited excellent detection performance in OFCs samples with strong acidity, strong alkalinity, and deep color. Under optimal conditions, the proposed method detected B[a]P in OFCs at 0.42-300 mg/kg, and limit of detection was 0.23-1.07 mg/kg. The recovery rate was 88-106% with a coefficient of variation of 1.46-6.35%. Confirmed by natural positive OFCs samples and high-performance liquid chromatography, this GICA is accurate and reliable, with great potential for rapid and cost-effective on-site detection.
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Affiliation(s)
- Jinyan Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Luming Jiang
- PetroChina Research Institute of Petroleum Exploration & Development, Beijing 10083, China; Key Laboratory of Oilfield Chemicals, CNPC, Beijing 10083, China
| | - Yong Shu
- PetroChina Research Institute of Petroleum Exploration & Development, Beijing 10083, China; Key Laboratory of Oilfield Chemicals, CNPC, Beijing 10083, China
| | - Shanshan Song
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Liguang Xu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Hua Kuang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Lingling Guo
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
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Guo Y, Sang P, Lu G, Yang X, Xie Y, Hu Z, Qian H, Yao W. RNA-cleaving deoxyribozyme-linked immunosorbent assay for the ultrasensitive detection of chloramphenicol in milk. Food Chem 2023; 408:135174. [PMID: 36535184 DOI: 10.1016/j.foodchem.2022.135174] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 12/04/2022] [Accepted: 12/06/2022] [Indexed: 12/16/2022]
Abstract
In this presented work, an artificial deoxyribozyme was employed as the substitute for horseradish peroxidase (or alkaline phosphatase) in ELISA for generating amplified signals. The feasibility of the proposed deoxyribozyme-based ELISA (DLISA) was demonstrated in the detection of a forbidden veterinary drug, chloramphenicol. And its efficiency was praised since that ultrahigh sensitivity was accomplished with a detection limit of 0.1 ng/L. The wide linear range from 0.000001 μg/mL to 1.0 μg/mL, as well as good recoveries from 86 % to 104 % in whole milk samples showed its excellent practical performances. Besides, the DLISA was worth popularizing due to the easy connection of antibody and DNAzyme through a facile functionalization process of gold nanoparticles. These advantages showed the possibility of DLISA for developing commercial kits, and the utilization of flexible DNA fluorescent probes in DLISA would inspire more work on innovations.
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Affiliation(s)
- Yahui Guo
- State Key Laboratory of Food Science and Technology, National Centre for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Panting Sang
- State Key Laboratory of Food Science and Technology, National Centre for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Gang Lu
- Food Safety Research Center, Safety & Quality Management Department, Inner Mongolia Mengniu Dairy (Group) CO, LTD., Hohhot 011500, China
| | - Xue Yang
- Wuxi Children's Hospital Affiliated to Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Yunfei Xie
- State Key Laboratory of Food Science and Technology, National Centre for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhigang Hu
- Wuxi Children's Hospital Affiliated to Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China.
| | - He Qian
- State Key Laboratory of Food Science and Technology, National Centre for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Weirong Yao
- State Key Laboratory of Food Science and Technology, National Centre for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
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Sang P, Hu Z, Cheng Y, Yu H, Xie Y, Yao W, Guo Y, Qian H. Nucleic Acid Amplification Techniques in Immunoassay: An Integrated Approach with Hybrid Performance. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:5783-5797. [PMID: 34009975 DOI: 10.1021/acs.jafc.0c07980] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
An immunoassay is mostly employed for the direct detection of food contaminants, and a molecular assay for targeting nucleic acids employs amplification techniques for distinguishing genes. The integration of an immunoassay with nucleic acid amplification techniques inherits the direct and rapid performance of an immunoassay and the ultrasensitive merit of a molecular assay. Enthusiastic attention has been attracted in recent years on the utilization of isothermal amplification techniques in an immunoassay, as well as the employment of a lateral flow immunoassay in a molecular assay. Thus, this Review discussed these kinds of approaches from two categories: immuno-nucleic acid amplification (I-NAA) and nucleic acid amplification-immunoassay (NAA-I). The advantages, drawbacks, and future developments were discussed for a comprehensive understanding.
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Affiliation(s)
- Panting Sang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhigang Hu
- Wuxi Children's Hospital, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi 214122, China
| | - Yuliang Cheng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Hang Yu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yunfei Xie
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Weirong Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yahui Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - He Qian
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Center for Technology Innovation on Fast Biological Detection of Grain Quality and Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
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Dovgan I, Koniev O, Kolodych S, Wagner A. Antibody-Oligonucleotide Conjugates as Therapeutic, Imaging, and Detection Agents. Bioconjug Chem 2019; 30:2483-2501. [PMID: 31339691 DOI: 10.1021/acs.bioconjchem.9b00306] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Antibody-oligonucleotide conjugates (AOCs) are a novel class of synthetic chimeric biomolecules that has been continually gaining traction in different fields of modern biotechnology. This is mainly due to the unique combination of the properties of their two constituents, exceptional targeting abilities and antibody biodistribution profiles, in addition to an extensive scope of oligonucleotide functional and structural roles. Combining these two classes of biomolecules in one chimeric construct has therefore become an important milestone in the development of numerous biotechnological applications, including imaging (DNA-PAINT), detection (PLA, PEA), and therapeutics (targeted siRNA/antisense delivery). Numerous synthetic approaches have been developed to access AOCs ranging from stochastic chemical bioconjugation to site-specific conjugation with reactive handles, introduced into antibody sequences through protein engineering. This Review gives a general overview of the current status of AOC applications with a specific emphasis on the synthetic methods used for their preparation. The reported synthetic techniques are discussed in terms of their practical aspects and limitations. The importance of the development of novel methods for the facile generation of AOCs possessing a defined constitution is highlighted as a priority in AOC research to ensure the advance of their new applications.
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Affiliation(s)
- Igor Dovgan
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis , University of Strasbourg , 74 Route du Rhin , 67400 Illkirch-Graffenstaden , France
| | - Oleksandr Koniev
- Syndivia SAS , 650 Boulevard Gonthier d'Andernach , 67400 Illkirch-Graffenstaden , France
| | - Sergii Kolodych
- Syndivia SAS , 650 Boulevard Gonthier d'Andernach , 67400 Illkirch-Graffenstaden , France
| | - Alain Wagner
- Bio-Functional Chemistry (UMR 7199), LabEx Medalis , University of Strasbourg , 74 Route du Rhin , 67400 Illkirch-Graffenstaden , France
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