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Huong NT, Nhiem LT. Facile detection of botulinum neurotoxin using LSPR nanosensor based on Langmuir-Blodgett films of gold nanoparticles. RSC Adv 2023; 13:31176-31181. [PMID: 37881766 PMCID: PMC10594403 DOI: 10.1039/d3ra05386e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/17/2023] [Indexed: 10/27/2023] Open
Abstract
In this exploratory study, Langmuir-Blodgett (LB) films of gold nanoparticles (Au NPs) were utilized for the first time to detect botulinum neurotoxin (BoNT) based on localized surface plasmon resonance (LSPR), acting as biosensors. Monolayers of Au NPs were initially transferred onto a transparent polymer substrate using the LB technique. This substrate was then used as the base material for subsequent depositions of capping ligands, and eventually, the BoNT at different concentrations. Upon each deposition, LSPR signals were recorded employing UV-Vis spectroscopy. As a result, it was demonstrated that the LB films transferred at a surface pressure of 35 mN m-1 were the optimal choice, capable of detecting BoNT at a concentration as low as 1 pg ml-1. Furthermore, it was discovered that the formation of Au NP clusters reduced the sensing capacity of the LB films. This sensor offers advantages such as easy fabrication and a quick detection process that utilizes visible light.
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Affiliation(s)
- Nguyen Thanh Huong
- Center for Biomedical Analysis Laboratories and Scientific Technical Services- Pasteur Institute in Ho Chi Minh City 167 Pasteur Street, Vo Thi Sau Ward, District 3 Ho Chi Minh City Vietnam
| | - Ly Tan Nhiem
- Faculty of Chemical and Food Technology, Ho Chi Minh City University of Technology and Education 01 Vo Van Ngan Street, Linh Chieu Ward, Thu Duc City Ho Chi Minh City Vietnam
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Ding M, Niu H, Guan P, Hu X. Molecularly imprinted sensor based on poly-o-phenylenediamine-hydroquinone polymer for β-amyloid-42 detection. Anal Bioanal Chem 2023; 415:1545-1557. [PMID: 36808273 DOI: 10.1007/s00216-023-04552-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/30/2022] [Accepted: 01/17/2023] [Indexed: 02/21/2023]
Abstract
A sensitive and selective molecularly imprinted polymer (MIP) sensor was developed for the determination of amyloid-β (1-42) (Aβ42). The glassy carbon electrode (GCE) was successively modified with electrochemical reduction graphene oxide (ERG) and poly(thionine-methylene blue) (PTH-MB). The MIPs were synthesized by electropolymerization with Aβ42 as a template and o-phenylenediamine (o-PD) and hydroquinone (HQ) as functional monomers. Cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), chronoamperometry (CC), and differential pulse voltammetry (DPV) were used to study the preparation process of the MIP sensor. The preparation conditions of the sensor were investigated in detail. In optimal experimental conditions, the response current of the sensor was linear in the range of 0.12-10 μg mL-1 with a detection limit of 0.018 ng mL-1. The MIP-based sensor successfully detected Aβ42 in commercial fetal bovine serum (cFBS) and artificial cerebrospinal fluid (aCSF).
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Affiliation(s)
- Minling Ding
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of China
| | - Huizhe Niu
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of China
| | - Ping Guan
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of China.
| | - Xiaoling Hu
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of China.
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Ding M, Shu Q, Zhang N, Yan C, Niu H, Li X, Guan P, Hu X. Electrochemical Immunosensor for the Sensitive Detection of Alzheimer's Biomarker Amyloid‐β (1–42) Using the Heme‐amyloid‐β (1–42) Complex as the Signal Source. ELECTROANAL 2021. [DOI: 10.1002/elan.202100392] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Minling Ding
- School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Qi Shu
- School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Nan Zhang
- School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Chaoren Yan
- School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Huizhe Niu
- School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Xiaoqian Li
- School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Ping Guan
- School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Xiaoling Hu
- School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an 710072 P. R. China
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Moreira FTC, Correia BP, Sousa MP, Sales GF. Colorimetric cellulose-based test-strip for rapid detection of amyloid β-42. Mikrochim Acta 2021; 188:334. [PMID: 34498145 DOI: 10.1007/s00604-021-04996-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 08/13/2021] [Indexed: 11/30/2022]
Abstract
An innovative sensing assay is described for point-of-care (PoC) quantification of a biomarker of Alzheimer's disease, amyloid β-42 (Aβ-42). This device is based on a cellulose paper-dye test strip platform in which the corresponding detection layer is integrated by applying a molecularly imprinted polymer (MIP) to the cellulose paper surface. Briefly, the cellulose paper is chemically modified with a silane to subsequently apply the MIP detection layer. The imprinting process is confirmed by the parallel preparation of a control material, namely a non-imprinted polymer (NIP). The chemical changes of the surface were evaluated by Fourier transform infrared spectroscopy (FTIR), contact angle, and thermogravimetric analysis (TG). Proteins and peptides can be quantified by conventional staining methods. For this purpose, Coomassie blue (CB) was used as a staining dye for the detection and quantification of Aβ-42. Quantitative determination is made possible by taking a photograph and applying an appropriate mathematical treatment to the color coordinates provided by the ImageJ program. The MIP shows a linear range between 1.0 ng/mL and 10 μg/mL and a detection limit of 0.71 ng/mL. Overall, this cellulose-based assay is suitable for the detection of peptides or proteins in a sample by visual comparison of color change. The test strip provides a simple, instrument-free, and cost-effective method with high chemical stability, capable of detecting very small amounts of peptides or proteins in a sample, and can be used for the detection of any (bio)molecule of interest.
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Affiliation(s)
- Felismina T C Moreira
- BioMark@ISEP, School of Engineering, Polytechnic of Porto, R. Dr. António Bernardino de Almeida, 431, 4249-015, Porto, Portugal. .,CEB, Centre of Biological Engineering, Minho University, Braga, Portugal.
| | - Barbara P Correia
- BioMark@ISEP, School of Engineering, Polytechnic of Porto, R. Dr. António Bernardino de Almeida, 431, 4249-015, Porto, Portugal.,CEB, Centre of Biological Engineering, Minho University, Braga, Portugal
| | - Mariana P Sousa
- BioMark@ISEP, School of Engineering, Polytechnic of Porto, R. Dr. António Bernardino de Almeida, 431, 4249-015, Porto, Portugal.,CEB, Centre of Biological Engineering, Minho University, Braga, Portugal
| | - Goreti F Sales
- CEB, Centre of Biological Engineering, Minho University, Braga, Portugal.,BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, R. Sílvio Lima, pólo II, 3030-790, Coimbra, Portugal
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Abbas M. Potential Role of Nanoparticles in Treating the Accumulation of Amyloid-Beta Peptide in Alzheimer's Patients. Polymers (Basel) 2021; 13:1051. [PMID: 33801619 PMCID: PMC8036916 DOI: 10.3390/polym13071051] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 12/18/2022] Open
Abstract
The disorder of Alzheimer's is marked by progressive pathophysiological neurodegeneration. The amino acid peptides in the amyloid plaques found in the brains of people with Alzheimer's disease (AD) are known as amyloid-beta (Aβ). Current treatments are not curative, and the effects associated with AD are reduced. Improving treatment results involved the targeting of drugs at optimum therapeutic concentration. Nanotechnology is seen as an unconventional, modern technology that plays a key role in the treatment of Alzheimer's disease. Using nanoparticles, molecular detection, effective drug targeting, and their combination offer high sensitivity. The aim of this review is to shed light on the function and successful role of nanoparticles to resolve Aβ aggregation and thus to help cure Alzheimer's disease. The analysis divides these nanoparticles into three categories: polymer, lipid, and gold nanoparticles. A thorough comparison was then made between the nanoparticles, which are used according to their role, properties, and size in the procedure. The nanoparticles can prevent the accumulation of Aβ during the efficient delivery of the drug to the cells to treat Alzheimer's disease. Furthermore, this comparison demonstrated the ability of these nanoparticles to deal efficiently with Alzheimer's disease. The role of these nanoparticles varied from delivering the drug to brain cells to dealing with the disease-causing peptide.
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Affiliation(s)
- Mohamed Abbas
- Department of Electrical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia;
- Department of Computers and Communications, College of Engineering, Delta University for Science and Technology, Gamasa 35712, Egypt
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Karki HP, Jang Y, Jung J, Oh J. Advances in the development paradigm of biosample-based biosensors for early ultrasensitive detection of alzheimer's disease. J Nanobiotechnology 2021; 19:72. [PMID: 33750392 PMCID: PMC7945670 DOI: 10.1186/s12951-021-00814-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 02/25/2021] [Indexed: 02/07/2023] Open
Abstract
This review highlights current developments, challenges, and future directions for the use of invasive and noninvasive biosample-based small biosensors for early diagnosis of Alzheimer's disease (AD) with biomarkers to incite a conceptual idea from a broad number of readers in this field. We provide the most promising concept about biosensors on the basis of detection scale (from femto to micro) using invasive and noninvasive biosamples such as cerebrospinal fluid (CSF), blood, urine, sweat, and tear. It also summarizes sensor types and detailed analyzing techniques for ultrasensitive detection of multiple target biomarkers (i.e., amyloid beta (Aβ) peptide, tau protein, Acetylcholine (Ach), microRNA137, etc.) of AD in terms of detection ranges and limit of detections (LODs). As the most significant disadvantage of CSF and blood-based detection of AD is associated with the invasiveness of sample collection which limits future strategy with home-based early screening of AD, we extensively reviewed the future trend of new noninvasive detection techniques (such as optical screening and bio-imaging process). To overcome the limitation of non-invasive biosamples with low concentrations of AD biomarkers, current efforts to enhance the sensitivity of biosensors and discover new types of biomarkers using non-invasive body fluids are presented. We also introduced future trends facing an infection point in early diagnosis of AD with simultaneous emergence of addressable innovative technologies.
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Affiliation(s)
- Hem Prakash Karki
- Department of Mechanical Design Engineering, College of Engineering, Jeonbuk National University, Jeonju, 54896, South Korea
| | - Yeongseok Jang
- Department of Mechanical Design Engineering, College of Engineering, Jeonbuk National University, Jeonju, 54896, South Korea
| | - Jinmu Jung
- Department of Mechanical Design Engineering, College of Engineering, Jeonbuk National University, Jeonju, 54896, South Korea.
- Department of Nano-bio Mechanical System Engineering, College of Engineering, Jeonbuk National University, Jeonju, 54896, South Korea.
| | - Jonghyun Oh
- Department of Mechanical Design Engineering, College of Engineering, Jeonbuk National University, Jeonju, 54896, South Korea.
- Department of Nano-bio Mechanical System Engineering, College of Engineering, Jeonbuk National University, Jeonju, 54896, South Korea.
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