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Wang L, Zhou L, Ma N, Su Q, Wan Y, Zhang Y, Wu F, Qian W. Real-time monitoring of immunoglobulin G levels in milk using an ordered porous layer interferometric optical sensor. Talanta 2022; 237:122958. [PMID: 34736683 DOI: 10.1016/j.talanta.2021.122958] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/04/2021] [Accepted: 10/08/2021] [Indexed: 10/20/2022]
Abstract
Immunoglobulin G (IgG) is a significant ingredient of immunological activity in milk and colostrum, the activity and content of which is easily disturbed by potentially conditional variant during sterilization. Therefore, developing robust methods for the detection of IgG levels in milk is especially important. Herein, protein A from the Staphylococcus aureus functionalized silica colloidal crystalline film (SCC@SPA) sensing unit combined with ordered porous layer interferometry (OPLI) for IgG detection in untreated bovine milk was developed. Calibration curves in milk and buffer were set up by the variations of the optical thickness (OT) of the sensing unit after the IgG association and dissociation phases. The influence of temperature on the level of IgG was evaluated. Furthermore, the identification of IgG levels with pasteurized milk and ultrahigh temperature (UHT) sterilized milk from the market randomly was successfully carried out without any sample pretreatment. More importantly, compared with other methods, this novel method has the advantages of convenient operation, low cost, and suitability for point-of-care (POC) testing.
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Affiliation(s)
- Lu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Lele Zhou
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Ning Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Qianqian Su
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; School of Pharmacy, Jiangsu Ocean University, Lianyungang, 222005, China
| | - Yizhen Wan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yifan Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Feng Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; OPLI (Suzhou) Biotechnology Co., Ltd, New District, Suzhou, 215163, China.
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2
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Liu L, Han C, Jiang M, Zhang T, Kang Q, Wang X, Wang P, Zhou F. Rapid and regenerable surface plasmon resonance determinations of biomarker concentration and biomolecular interaction based on tris-nitrilotriacetic acid chips. Anal Chim Acta 2021; 1170:338625. [PMID: 34090589 DOI: 10.1016/j.aca.2021.338625] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/01/2021] [Accepted: 05/04/2021] [Indexed: 12/22/2022]
Abstract
The tris-nitrilotriacetic acid (tris-NTA) chip has been used for surface plasmon resonance (SPR) kinetic studies involving histidine (His)-tagged proteins. However, its full potential, especially for analyte quantification in complex biological media, has not been realized due to a lack of systematic studies on the factors governing ligand immobilization, surface regeneration, and data analysis. We demonstrate that the tris-NTA chip not only retains His-tagged proteins more strongly than its mono-NTA counterpart, but also orients them more uniformly than protein molecules coupled to carboxymethylated dextran films. We accurately and rapidly quantified immunoglobulin (IgG) molecules in sera by using the initial association phase of their conjugation with His-tagged protein G densely immobilized onto the tris-NTA chip, and established criteria for selecting the optimal time for constructing the calibration curve. The method is highly reproducible (less than 2% RSD) and three orders of magnitude more sensitive than immunoturbidimetry. In addition, we found that the amount of His-protein immobilized is highly dependent on the protein isoelectric point (pI). Reliable kinetic data in a multi-channel SPR instrument can also be rapidly obtained by using a low density of immobilized His-tagged protein. The experimental parameters and procedures outlined in this study help expand the range of SPR applications involving His-tagged proteins.
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Affiliation(s)
- Luyao Liu
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Chaowei Han
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Meng Jiang
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Tiantian Zhang
- University Hospital, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Qing Kang
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Xiaoying Wang
- State Key Laboratory of Biobased Materials and Green Papermaking, Qilu University of Technology, Jinan, Shandong, 250353, PR China
| | - Pengcheng Wang
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China.
| | - Feimeng Zhou
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China.
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Nehra M, Lettieri M, Dilbaghi N, Kumar S, Marrazza G. Nano-Biosensing Platforms for Detection of Cow's Milk Allergens: An Overview. SENSORS (BASEL, SWITZERLAND) 2019; 20:E32. [PMID: 31861555 PMCID: PMC6982970 DOI: 10.3390/s20010032] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/07/2019] [Accepted: 12/16/2019] [Indexed: 12/16/2022]
Abstract
Among prevalent food allergies, cow milk allergy (CMA) is most common and may persist throughout the life. The allergic individuals are exposed to a constant threat due to milk proteins' presence in uncounted food products like yogurt, cheese, and bakery items. The problem can be more severe due to cross-reactivity of the milk allergens in the food products due to homologous milk proteins of diverse species. This problem can be overcome by proper and reliable food labeling in order to ensure the life quality of allergic persons. Therefore, highly sensitive and accurate analytical techniques should be developed to detect the food allergens. Here, significant research advances in biosensors (specifically immunosensors and aptasensors) are reviewed for detection of the milk allergens. Different allergic proteins of cow milk are described here along with the analytical standard methods for their detection. Additionally, the commercial status of biosensors is also discussed in comparison to conventional techniques like enzyme-linked immunosorbent assay (ELISA). The development of novel biosensing mechanisms/kits for milk allergens detection is imperative from the perspective of enforcement of labeling regulations and directives keeping in view the sensitive individuals.
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Affiliation(s)
- Monika Nehra
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar-Haryana 125001, India; (M.N.)
| | - Mariagrazia Lettieri
- Department of Chemistry “Ugo Schiff”, University of Florence, Via della Lastruccia, 350019 Sesto Fiorentino (Fi), Italy;
| | - Neeraj Dilbaghi
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar-Haryana 125001, India; (M.N.)
| | - Sandeep Kumar
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar-Haryana 125001, India; (M.N.)
| | - Giovanna Marrazza
- Department of Chemistry “Ugo Schiff”, University of Florence, Via della Lastruccia, 350019 Sesto Fiorentino (Fi), Italy;
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Label-Free Monitoring of Human IgG/Anti-IgG Recognition Using Bloch Surface Waves on 1D Photonic Crystals. BIOSENSORS-BASEL 2018; 8:bios8030071. [PMID: 30044392 PMCID: PMC6163225 DOI: 10.3390/bios8030071] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/18/2018] [Accepted: 07/23/2018] [Indexed: 12/19/2022]
Abstract
Optical biosensors based on one-dimensional photonic crystals sustaining Bloch surface waves are proposed to study antibody interactions and perform affinity studies. The presented approach utilizes two types of different antibodies anchored at the sensitive area of a photonic crystal-based biosensor. Such a strategy allows for creating two or more on-chip regions with different biochemical features as well as studying the binding kinetics of biomolecules in real time. In particular, the proposed detection system shows an estimated limit of detection for the target antibody (anti-human IgG) smaller than 0.19 nM (28 ng/mL), corresponding to a minimum surface mass coverage of 10.3 ng/cm². Moreover, from the binding curves we successfully derived the equilibrium association and dissociation constants (KA = 7.5 × 10⁷ M-1; KD = 13.26 nM) of the human IgG⁻anti-human IgG interaction.
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Electrochemical and optical study of metallothionein interactions with prion proteins. J Pharm Biomed Anal 2017; 140:355-361. [DOI: 10.1016/j.jpba.2017.03.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 03/13/2017] [Accepted: 03/20/2017] [Indexed: 01/23/2023]
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Surface plasmon resonance imaging biosensors for aromatase based on a potent inhibitor and a specific antibody: Sensor development and application for biological material. OPEN CHEM 2014. [DOI: 10.2478/s11532-014-0512-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
AbstractAromatase (ARO) is an enzyme with potential diagnostic significance. Aberrant expression of aromatase in tissues is associated with a number of pathological conditions, including tumor of the breast, ovary, testes, liver, adrenal cortex and uterus, as well as endometriosis.Two methods for the highly selective determination of ARO concentration in human tissues by using of two different biosensors co-operating with the surface plasmon resonance imaging technique (SPRI) have been developed. One of the developed biosensors contains immobilised rabbit polyclonal antibody specific for aromatase (Y-ARO), while the other contains immobilized ARO inhibitor-exemestane (E-ARO). Both biosensors specifically bound ARO from analyzed samples. The analytically useful dynamic response range of both biosensors is between 0.3 and 5.0 ng mL−1. The detection limit (3S.D.) of both biosensors is 90 pg mL−1. Standard deviation of both biosensors is 1%. Recoveries of ARO spikes are between 97 and 108% for both biosensors under model conditions and for real samples. Albumin and alkaline phosphatase are tolerated for both biosensors up to 10,000 fold excess.
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Mariani S, Minunni M. Surface plasmon resonance applications in clinical analysis. Anal Bioanal Chem 2014; 406:2303-23. [PMID: 24566759 PMCID: PMC7080119 DOI: 10.1007/s00216-014-7647-5] [Citation(s) in RCA: 105] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 01/20/2014] [Accepted: 01/21/2014] [Indexed: 12/20/2022]
Abstract
In the last 20 years, surface plasmon resonance (SPR) and its advancement with imaging (SPRi) emerged as a suitable and reliable platform in clinical analysis for label-free, sensitive, and real-time monitoring of biomolecular interactions. Thus, we report in this review the state of the art of clinical target detection with SPR-based biosensors in complex matrices (e.g., serum, saliva, blood, and urine) as well as in standard solution when innovative approaches or advanced instrumentations were employed for improved detection. The principles of SPR-based biosensors are summarized first, focusing on the physical properties of the transducer, on the assays design, on the immobilization chemistry, and on new trends for implementing system analytical performances (e.g., coupling with nanoparticles (NPs). Then we critically review the detection of analytes of interest in molecular diagnostics, such as hormones (relevant also for anti-doping control) and biomarkers of interest in inflammatory, cancer, and heart failure diseases. Antibody detection is reported in relation to immune disorder diagnostics. Subsequently, nucleic acid targets are considered for revealing genetic diseases (e.g., point mutation and single nucleotides polymorphism, SNPs) as well as new emerging clinical markers (microRNA) and for pathogen detection. Finally, examples of pathogen detection by immunosensing were also analyzed. A parallel comparison with the reference methods was duly made, indicating the progress brought about by SPR technologies in clinical routine analysis.
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Affiliation(s)
- Stefano Mariani
- Dipartimento di Chimica Ugo Schiff, Università di Firenze, via della Lastruccia 3-13, 50019 Sesto Fiorentino, FI Italy
| | - Maria Minunni
- Dipartimento di Chimica Ugo Schiff, Università di Firenze, via della Lastruccia 3-13, 50019 Sesto Fiorentino, FI Italy
- Istituto Nazionale Biostrutture e Biosistemi, Consorzio Interuniversitario, 50019 Sesto Fiorentino, FI Italy
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Chardin H, Mercier K, Frydman C, Vollmer N. Surface Plasmon Resonance imaging: a method to measure the affinity of the antibodies in allergy diagnosis. J Immunol Methods 2014; 405:23-8. [PMID: 24434618 DOI: 10.1016/j.jim.2013.12.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Revised: 12/03/2013] [Accepted: 12/16/2013] [Indexed: 10/25/2022]
Abstract
AIM The biological diagnosis of type I hypersensitivity reactions is based on the quantification of specific IgEs. However, the IgE titer is not always strongly related to the clinical symptoms or predictive of the evolution of the disease. The specificity and affinity of antibodies of other isotypes may contribute to the allergic status of the patients. The aim of the present work was to develop a method that simultaneously detects the complex antibody response to various allergens and measures the avidity of the antibodies directed to each allergen. METHODS A chip based on a covalent binding of 3 major milk allergens on a gold-activated surface was developed. The binding of specific antibodies to α-lactalbumin, β-lactoglobulin or caseins was monitored using Surface Plasmon Resonance imaging (SPRi). The sensitivity and specificity of the method were compared to those obtained by ELISA, the reference method. RESULTS The specificity of the antibodies characterized by SPRi was identical to the one obtained by ELISA. The intensity of the signal was proportional to the quantity of antibodies bound to each allergen. The sensitivity of the SPRi detection was about 8-10 times lower than for ELISA but the SPRi is faster and the analysis of association/dissociation kinetics allowed the determination of the avidity of the antibody response. CONCLUSION The present study shows that SPRi allows a multiplex monitoring of the complex antibody response to the major allergens of an allergenic source. This label-free method constitutes a new tool that may be added to IgE detection to improve allergy diagnosis.
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Affiliation(s)
- Hélène Chardin
- ESPCI/LSABM, CNRS UMR PECSA 7195, 10 rue Vauquelin, 75005 Paris, France; Université Paris Descartes, PRES Sorbonne-Paris-Cité, France; Assistance Publique-Hôpitaux de Paris, France.
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Cheng XR, Hau BYH, Veloso AJ, Martic S, Kraatz HB, Kerman K. Surface Plasmon Resonance Imaging of Amyloid-β Aggregation Kinetics in the Presence of Epigallocatechin Gallate and Metals. Anal Chem 2013; 85:2049-55. [DOI: 10.1021/ac303181q] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Xin R. Cheng
- Department
of Physical and Environmental
Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4, Canada
| | - Ben Y. H. Hau
- Department
of Physical and Environmental
Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4, Canada
| | - Anthony J. Veloso
- Department
of Physical and Environmental
Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4, Canada
| | - Sanela Martic
- Department of Chemistry and
Biochemistry, Oakland University, Rochester,
Michigan 48309, United States
| | - Heinz-Bernhard Kraatz
- Department
of Physical and Environmental
Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4, Canada
| | - Kagan Kerman
- Department
of Physical and Environmental
Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4, Canada
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Binding kinetics of human cellular prion detection by DNA aptamers immobilized on a conducting polypyrrole. Anal Bioanal Chem 2013; 405:2505-14. [PMID: 23318762 DOI: 10.1007/s00216-012-6665-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2012] [Revised: 12/12/2012] [Accepted: 12/13/2012] [Indexed: 10/27/2022]
Abstract
We developed a biosensor based on the surface plasmon resonance (SPR) method for the study of the binding kinetics and detection of human cellular prions (PrP(C)) using DNA aptamers as bioreceptors. The biosensor was formed by immobilization of various biotinylated DNA aptamers on a surface of conducting polypyrrole modified by streptavidin. We demonstrated that PrP(C) interaction with DNA aptamers could be followed by measuring the variation of the resonance angle. This was studied using DNA aptamers of various configurations, including conventional single-stranded aptamers that contained a rigid double-stranded supporting part and aptamer dimers containing two binding sites. The kinetic constants determined by the SPR method suggest strong interaction of PrP(C) with various DNA aptamers depending on their configuration. SPR aptasensors have a high selectivity to PrP(C) and were regenerable by a brief wash in 0.1 M NaOH. The best limit of detection (4 nM) has been achieved with this biosensor based on DNA aptamers with one binding site but containing a double-stranded supporting part.
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Practical quantitative and kinetic applications of bio-layer interferometry for toxicokinetic analysis of a monoclonal antibody therapeutic. J Immunol Methods 2012; 379:30-41. [DOI: 10.1016/j.jim.2012.02.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Revised: 02/27/2012] [Accepted: 02/28/2012] [Indexed: 11/17/2022]
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