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Bellassai N, D'Agata R, Spoto G. Plasmonic aptasensor with antifouling dual-functional surface layer for lysozyme detection in food. Anal Chim Acta 2023; 1283:341979. [PMID: 37977796 DOI: 10.1016/j.aca.2023.341979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/10/2023] [Accepted: 10/28/2023] [Indexed: 11/19/2023]
Abstract
Antifouling coatings are critically necessary for optical biosensors for various analytical application sectors, from medical diagnostics to foodborne pathogen detection. They help avoid non-specific protein/cell attachment on the active biosensor surface and catch the analytes directly in the complex media. Advances in antifouling plasmonic surfaces have been mainly focused on detecting clinical biomarkers in real biofluids, whereas developing antifouling coatings for direct analysis of analytes in complex media has been scarcely investigated for food quality control and safety. Herein, we propose a new low-fouling poly-l-lysine (PLL)-based surface layer for directly detecting an allergen protein, lysozyme, in the food matrix using surface plasmon resonance. The PLL-based polymer contains densely immobilized anionic oligopeptide side chains to create an electric charge-balanced layer able to repel the non-specific adsorption of undesired molecules on the biosensor surface. It also includes sparsely attached aptamer probes for capturing lysozyme directly in food sources with no pre-analytical sample treatment. We optimized the surface layer fabrication condition and tested the dual-functional surface to evaluate its ability to detect the target protein selectively. The developed analytical approach allowed for achieving a limit of detection of 0.04 μg mL-1 (2.95 nM) and a limit of quantification of 0.13 μg mL-1 (8.95 nM). Lysozyme was successfully quantified in milk samples using the plasmonic dual-functional aptasensor without sample pre-treatment or target isolation, illustrating the device's utility.
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Affiliation(s)
- Noemi Bellassai
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale Andrea Doria 6, I-95125, Catania, Italy; Consorzio Interuniversitario "Istituto Nazionale Biostrutture e Biosistemi", c/o Dipartimento di Scienze Chimiche, Università di Catania, Viale Andrea Doria 6, Catania, Italy
| | - Roberta D'Agata
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale Andrea Doria 6, I-95125, Catania, Italy; Consorzio Interuniversitario "Istituto Nazionale Biostrutture e Biosistemi", c/o Dipartimento di Scienze Chimiche, Università di Catania, Viale Andrea Doria 6, Catania, Italy
| | - Giuseppe Spoto
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale Andrea Doria 6, I-95125, Catania, Italy; Consorzio Interuniversitario "Istituto Nazionale Biostrutture e Biosistemi", c/o Dipartimento di Scienze Chimiche, Università di Catania, Viale Andrea Doria 6, Catania, Italy.
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Montoro-Leal P, Frías IAM, Vereda Alonso E, Errachid A, Jaffrezic-Renault N. A Molecularly Imprinted Polypyrrole/GO@Fe3O4 Nanocomposite Modified Impedimetric Sensor for the Routine Monitoring of Lysozyme. BIOSENSORS 2022; 12:bios12090727. [PMID: 36140112 PMCID: PMC9496344 DOI: 10.3390/bios12090727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/26/2022] [Accepted: 08/28/2022] [Indexed: 12/21/2022]
Abstract
Lysozyme (LYS) applications encompass anti-bacterial activity, analgesic, and anti-inflammatory effects. In this work, a porous framework that was based on the polymerization of pyrrole (PPy) in the presence of multi-functional graphene oxide/iron oxide composite (GO@Fe3O4) has been developed. Oxygen-containing and amine groups that were present in the nanocomposite were availed to assembly LYS as the molecularly imprinted polymer (MIP) template. The synthesized material (MIPPy/GO@Fe3O4) was electrodeposited on top of a gold microelectrode array. Transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) were used to confirm the adequate preparation of GO@Fe3O4, and the characterization of the resulting molecularly imprinted electrochemical sensor (MIECS) was carried out by electrochemical impedance spectrometry (EIS), FT-IR analysis, and scanning electron microscopy (SEM). The impedimetric responses were analyzed mathematically by fitting to a Q(Q(RW)) equivalent circuit and quantitative determination of LYS was obtained in a linear range from 1 pg/mL to 0.1 µg/mL, presenting good precision (RSD ≈ 10%, n = 5) and low limit of detection (LOD = 0.009 pg/mL). The fabrication of this device is relatively simple, scalable, rapid, and economical, and the sensor can be used up to nine times without disintegration. The MIECS was successfully applied to the determination of LYS in fresh chicken egg white sample and in a commercial drug, resulting in a straightforward platform for the routine monitoring of LYS.
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Affiliation(s)
- Pablo Montoro-Leal
- Department of Analytical Chemistry, Faculty of Sciences, University of Málaga, 29016 Málaga, Spain
| | - Isaac A. M. Frías
- Institut des Sciences Analytiques, University of Lyon, 69100 Villeurbanne, France
| | - Elisa Vereda Alonso
- Department of Analytical Chemistry, Faculty of Sciences, University of Málaga, 29016 Málaga, Spain
- Correspondence:
| | - Abdelhamid Errachid
- Institut des Sciences Analytiques, University of Lyon, 69100 Villeurbanne, France
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Singh GP, Sardana N. Smartphone-based Surface Plasmon Resonance Sensors: a Review. PLASMONICS (NORWELL, MASS.) 2022; 17:1869-1888. [PMID: 35702265 PMCID: PMC9184243 DOI: 10.1007/s11468-022-01672-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
The surface plasmon resonance (SPR) is a phenomenon based on the combination of quantum mechanics and electromagnetism, which leads to the creation of charge oscillations on a metal-dielectric interface. The SPR phenomenon creates a signal which measures refractive index change at the metal-dielectric interface. SPR-based sensors are being developed for real-time and label-free detection of water pollutants, toxins, disease biomarkers, etc., which are highly sensitive and selective. Smartphones provide hardware and software capability which can be incorporated into SPR sensors, enabling the possibility of economical and accurate on-site portable sensing. The camera, screen, and LED flashlight of the smartphone can be employed as components of the sensor. The current article explores the recent advances in smartphone-based SPR sensors by studying their principle, components, application, and signal processing. Furthermore, the general theoretical and practical aspects of SPR sensors are discussed.
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Affiliation(s)
- Gaurav Pal Singh
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001 India
| | - Neha Sardana
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001 India
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Yao W, Wang B, Wu Y, Wang J, Xu Z, Meng F, Wang P. Rapid Determination of Methamphetamine and Cocaine in Saliva by Portable Surface Plasmon Resonance (SPR). ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2080839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- Weixuan Yao
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Department of Criminal Science and Technology, Zhejiang Police College, Hangzhou, China
| | - Binjie Wang
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Department of Criminal Science and Technology, Zhejiang Police College, Hangzhou, China
| | - Yuanzhao Wu
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Department of Criminal Science and Technology, Zhejiang Police College, Hangzhou, China
| | - Jiye Wang
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Department of Criminal Science and Technology, Zhejiang Police College, Hangzhou, China
| | - Zhongshi Xu
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Department of Criminal Science and Technology, Zhejiang Police College, Hangzhou, China
| | - Fanwei Meng
- Hangzhou Neoline Technology, Hangzhou, China
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Graphene Oxide/Silver Nanoparticles Platforms for the Detection and Discrimination of Native and Fibrillar Lysozyme: A Combined QCM and SERS Approach. NANOMATERIALS 2022; 12:nano12040600. [PMID: 35214929 PMCID: PMC8878839 DOI: 10.3390/nano12040600] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/26/2022] [Accepted: 02/06/2022] [Indexed: 11/17/2022]
Abstract
We propose a sensing platform based on graphene oxide/silver nanoparticles arrays (GO/AgNPs) for the detection and discrimination of the native and toxic fibrillar forms of an amyloid-prone protein, lysozyme, by means of a combination of Quartz Crystal Microbalance (QCM) and Surface Enhanced Raman Scattering (SERS) measurements. The GO/AgNPs layer system was obtained by Langmuir-Blodgett assembly of the silver nanoparticles followed by controlled adsorption of GO sheets on the AgNPs array. The adsorption of native and fibrillar lysozyme was followed by means of QCM, the measurements provided the kinetics and the mechanism of adsorption as a function of protein concentration as well as the mass and thickness of the adsorbed protein on both nanoplatforms. The morphology of the protein layer was characterized by Confocal Laser Scanning Microscopy experiments on Thioflavine T-stained samples. SERS experiments performed on arrays of bare AgNPs and of GO coated AgNP after native, or fibrillar, lysozyme adsorption allowed for the discrimination of the native form and toxic fibrillar structure of lysozyme. Results from combined QCM/SERS studies indicate a general construction paradigm for an efficient sensing platform with high selectivity and low detection limit for native and amyloid lysozyme.
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Melinte G, Selvolini G, Cristea C, Marrazza G. Aptasensors for lysozyme detection: Recent advances. Talanta 2021; 226:122169. [PMID: 33676711 DOI: 10.1016/j.talanta.2021.122169] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 01/26/2021] [Accepted: 01/27/2021] [Indexed: 02/06/2023]
Abstract
Lysozyme is an enzyme existing in multiple organisms where it plays various vital roles. The most important role is its antibacterial activity in the human body; in fact, it is also called "the body's own antibiotic". Despite its proven utility, lysozyme can potentially trigger allergic reactions in sensitive individuals, even in trace amounts. Therefore, lysozyme determination in foods is becoming of paramount importance. Traditional detection methods are expensive, time-consuming and they cannot be applied for fast in-situ quantification. Electrochemical and optical sensors have attracted an increasing attention due to their versatility and ability to reduce the disadvantages of traditional methods. Using an aptamer as the bioreceptor, the sensor selectivity is amplified due to the specific recognition of the analyte. This review is presenting the progresses made in lysozyme determination by means of electrochemical and optical aptasensors in the last five years. A critical overview on the methodologies employed for aptamer immobilization and on the strategies for signal amplification of the assays will be described. Different optical and electrochemical aptasensors will be discussed and compared in terms of analytical performances, versatility and real samples applications.
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Affiliation(s)
- Gheorghe Melinte
- "Ugo Schiff" Chemistry Department, University of Florence, Via della Lastruccia 3, Sesto Fiorentino (FI), 50019, Italy; Analytical Chemistry Department, Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy, Strada Louis Pasteur 4, Cluj-Napoca, 400349, Romania
| | - Giulia Selvolini
- "Ugo Schiff" Chemistry Department, University of Florence, Via della Lastruccia 3, Sesto Fiorentino (FI), 50019, Italy
| | - Cecilia Cristea
- Analytical Chemistry Department, Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy, Strada Louis Pasteur 4, Cluj-Napoca, 400349, Romania.
| | - Giovanna Marrazza
- "Ugo Schiff" Chemistry Department, University of Florence, Via della Lastruccia 3, Sesto Fiorentino (FI), 50019, Italy; Istituto Nazionale Biostrutture e Biosistemi (INBB), Unit of Florence, Viale Delle Medaglie D'Oro 305, 00136 Roma, Italy.
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Jamei HR, Rezaei B, Ensafi AA. An ultrasensitive electrochemical anti-lysozyme aptasensor with biorecognition surface based on aptamer/amino-rGO/ionic liquid/amino-mesosilica nanoparticles. Colloids Surf B Biointerfaces 2019; 181:16-24. [PMID: 31112933 DOI: 10.1016/j.colsurfb.2019.05.030] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 04/23/2019] [Accepted: 05/14/2019] [Indexed: 12/31/2022]
Abstract
In this work, a novel method based on aptamers is proposed for electrochemical measurement of lysozyme. To this end, screen-printed carbon electrode (SPCE) was modified with a nanocomposite made from amino-reduced graphene oxide (Amino-rGO) synthesized from natural graphite powder, an ionic liquid (IL), and amino-mesosilica nanoparticles (Amino-MSNs). The composition of the nanocomposite (Amino-rGO/IL/Amino-MSNs) results in high thermal and chemical stability, conductivity, surface-to-volume ratio, cost efficiency, biocompatibility, and great bioelectrocatalysis characteristics. Presence of numerous amino groups, as well as remaining oxygen defects in rGO, provides a suitable site for immobilization of aptamers. Furthermore, use of this nanocomposite leads to considerable enhancement of the electrochemical signal and improved method sensitivity. Covalent coupling of aptamer's amino groups with that of the nanocomposite using glutaraldehyde (GLA) as a linker helps immobilize amino-linked lysozyme aptamers (Anti-Lys aptamers) on nanocomposite. The modified electrode was characterized using electrochemical methods such as cyclic voltammetry (CV), differential pulse voltammetry (DPV), and electrochemical impedance spectroscopy (EIS). The immobilized aptamer selectively adsorbs lysozyme (Lys) on the electrode interface, leading to increased Charge Transfer Resistance (RCT) in EIS and decrease in the DPV peak currents which are used as analytical signals. Two separate calibration curves were drawn using the data acquired from EIS and DPV. The prepared anti-Lys aptasensor has two very low LODs equal to 2.1 and 4.2 fmol L-1 with wide detection ranges of 10 fmol L-1 to 200 nmol L-1, and 20 fmol L-1 to 50 nmol L-1 for EIS and DPV calibration curves, respectively. The SPCE/Amino-rGO/IL/Amino-MSNs/APT also showed high reproducibility, specificity, sensitivity, and rapid response to Lys which has various applications in fields of bioengineering and biomedicine.
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Affiliation(s)
- Hamid Reza Jamei
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Islamic Republic of Iran
| | - Behzad Rezaei
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Islamic Republic of Iran.
| | - Ali Asghar Ensafi
- Department of Chemistry, Isfahan University of Technology, Isfahan, 84156-83111, Islamic Republic of Iran
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Koyun S, Akgönüllü S, Yavuz H, Erdem A, Denizli A. Surface plasmon resonance aptasensor for detection of human activated protein C. Talanta 2018; 194:528-533. [PMID: 30609568 DOI: 10.1016/j.talanta.2018.10.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 09/28/2018] [Accepted: 10/01/2018] [Indexed: 01/21/2023]
Abstract
The aim of this study is a highly sensitive and selective label-free surface plasmon resonance (SPR) aptasensor preparation for the specific detection of human activated protein C (APC). In the first step, DNA aptamer was complexed with N-methacryloyl-L-cysteine (MAC) monomer. Then, cyanamide and 2-hydroxyethyl methacrylate solution was mixed with the DNA-Apt/MAC complex. Two different SPR sensors (Random-DNA and HEMA-MAC polymeric films) were also prepared by following the same experimental procedure. The characterization of SPR aptasensors was done by contact angle, atomic force microscopy, and ellipsometer analysis. Selectivity studies of SPR aptasensors were performed in the presence of bovine serum albumin, hemoglobin and myoglobin. Desorption studies were performed by using 0.025 M NaCl solution. The limit of detection (LOD) and limit of quantification (LOQ) values of DNA-Apt SPR aptasensor was determined as 1.5 ng/mL and 5.2 ng/mL.
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Affiliation(s)
- Seda Koyun
- Hacettepe University, Department of Chemistry, 06800 Ankara, Turkey
| | - Semra Akgönüllü
- Hacettepe University, Department of Chemistry, 06800 Ankara, Turkey
| | - Handan Yavuz
- Hacettepe University, Department of Chemistry, 06800 Ankara, Turkey
| | - Arzum Erdem
- Ege University, Faculty of Pharmacy, Analytical Chemistry Department, 35100, Izmir, Turkey
| | - Adil Denizli
- Hacettepe University, Department of Chemistry, 06800 Ankara, Turkey.
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Plasmonic Fiber Optic Refractometric Sensors: From Conventional Architectures to Recent Design Trends. SENSORS 2016; 17:s17010012. [PMID: 28025532 PMCID: PMC5298585 DOI: 10.3390/s17010012] [Citation(s) in RCA: 120] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 12/12/2016] [Accepted: 12/20/2016] [Indexed: 02/07/2023]
Abstract
Surface Plasmon Resonance (SPR) fiber sensor research has grown since the first demonstration over 20 year ago into a rich and diverse field with a wide range of optical fiber architectures, plasmonic coatings, and excitation and interrogation methods. Yet, the large diversity of SPR fiber sensor designs has made it difficult to understand the advantages of each approach. Here, we review SPR fiber sensor architectures, covering the latest developments from optical fiber geometries to plasmonic coatings. By developing a systematic approach to fiber-based SPR designs, we identify and discuss future research opportunities based on a performance comparison of the different approaches for sensing applications.
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