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Loyez M, Fasseaux H, Lobry M, Wattiez R, Caucheteur C. Insulin biotrapping using plasmofluidic optical fiber chips: A benchmark. Biosens Bioelectron 2024; 254:116189. [PMID: 38507927 DOI: 10.1016/j.bios.2024.116189] [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: 09/29/2023] [Revised: 02/02/2024] [Accepted: 03/04/2024] [Indexed: 03/22/2024]
Abstract
Plasmonic optical fiber-based biosensors are currently in their early stages of development as practical and integrated devices, gradually making their way towards the market. While the majority of these biosensors operate using white light and multimode optical fibers (OFs), our approach centers on single-mode OFs coupled with tilted fiber Bragg gratings (TFBGs) in the near-infrared wavelength range. Our objective is to enhance surface sensitivity and broaden sensing capabilities of OF-based sensors to develop in situ sensing with remote interrogation. In this study, we comprehensively assess their performance in comparison to the gold-standard plasmonic reference, a commercial device based on the Kretschmann-Raether prism configuration. We present their refractive index sensitivity and their capability for insulin sensing using a dedicated microfluidics approach. By optimizing a consistent surface biotrapping methodology, we elucidate the dynamic facets of both technologies and highlight their remarkable sensitivity to variations in bulk and surface properties. The one-to-one comparison between both technologies demonstrates the reliability of optical fiber-based measurements, showcasing similar experimental trends obtained with both the prismatic configuration and gold-coated TFBGs, with an even enhanced limit of detection for the latter. This study lays the foundation for the detection of punctual molecular interactions and opens the way towards the detection of spatially and temporally localized events on the surface of optical probes.
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Affiliation(s)
- Médéric Loyez
- Proteomics and Microbiology Department, University of Mons (UMONS), 7000, Belgium; Electromagnetism and Telecom. Department, University of Mons (UMONS), 7000, Belgium.
| | - Hadrien Fasseaux
- Electromagnetism and Telecom. Department, University of Mons (UMONS), 7000, Belgium
| | - Maxime Lobry
- Electromagnetism and Telecom. Department, University of Mons (UMONS), 7000, Belgium
| | - Ruddy Wattiez
- Proteomics and Microbiology Department, University of Mons (UMONS), 7000, Belgium
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2
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Sultana N, Thanil Singh C, Khan MR, Sen Sarma N. An optical sensing platform for the detection of anti-cancer drugs and their cytotoxicity screening using a highly selective phosphorene-based composite. NANOSCALE 2023; 15:17570-17582. [PMID: 37873646 DOI: 10.1039/d3nr03948j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Monitoring therapeutic drugs and their elimination is crucial because they may cause severe side effects on the human body. Methotrexate (MTX) is a widely used anti-cancer drug, which is highly expensive, and the detection of unwanted overdoses of MTX using traditional procedures is time-consuming and involves complex instrumentation. In this work, we have developed a nanocomposite material using phosphorene, cystine, and gold (Ph-Cys-Au) that shows excellent optical properties. This nanocomposite can be used as an optical sensing platform for the detection of MTX in the range 0-260 μM. The synthesized sensing platform is very sensitive, selective, and cost-effective for the detection of MTX. Ph-Cys-Au can effectively detect MTX in aqueous media with a limit of detection (LOD) of about 0.0266 nM (for a linear range of 0-140 μM) and 0.0077 nM (for a linear range of 160-260 μM). The nanocomposite is equally selective for real samples, such as human blood serum (HBS) and artificial urine (AU) with a LOD of 0.0914 nM and 0.0734 nM, respectively. We have also determined the limit of quantification (LOQ); the LOQ values for the aqueous media were 0.0807 nM (for a linear range of 0-140 μM) and 0.0234 nM (for a linear range of 160-260 μM), whereas, the values for HBS and AU were around 0.2771 nM and 0.2226 nM, respectively. Moreover, the nanocomposite also provides a feasible platform for cytotoxicity screening in cancerous cells (Caco-2 cell lines) and non-cancerous cells (L-929 cell lines).
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Affiliation(s)
- Nasrin Sultana
- Institute of Advanced Study in Science and Technology, Paschim Boragaon, Guwahati-35, Assam, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Chingtham Thanil Singh
- Institute of Advanced Study in Science and Technology, Paschim Boragaon, Guwahati-35, Assam, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Mojibur R Khan
- Institute of Advanced Study in Science and Technology, Paschim Boragaon, Guwahati-35, Assam, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Neelotpal Sen Sarma
- Institute of Advanced Study in Science and Technology, Paschim Boragaon, Guwahati-35, Assam, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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3
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Charron B, Delorme A, Dubois C, Hojjat Jodaylami M, Masson JF. Influence of bovine and human serum albumin on the binding kinetics of biomolecular interactions. Analyst 2023; 148:5525-5533. [PMID: 37791739 DOI: 10.1039/d3an01117h] [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: 10/05/2023]
Abstract
Bovine serum albumin (BSA) containing buffers are the standard blocking buffer in biosensing, yet human serum is the intended application for most clinical sensors. However, the effect of human serum albumin (HSA) on binding assays remains underexplored. A simple and well-studied assay (human IgG/goat anti-human IgG) was investigated with a surface plasmon resonance (SPR) sensor to address this fundamental question in sensing. Calibrations were performed with buffers containing various concentrations of bovine or human serum albumin, as well as full and diluted bovine or IgG-depleted human serum. It was found that HSA or human serum, but not BSA or bovine serum, significantly affected the SPR shift and binding constants of the assay. Interestingly, large differences were also observed depending on whether the animal or human antibody was immobilized on the SPR chip for detection, highlighting that matrix protein/analyte/receptor interactions play a significant role in the response. We find that the interaction of soluble HSA with human IgG interferes with the recognition region, affecting the binding constant, and thus results obtained in BSA are not necessarily applicable to clinical samples or in vivo conditions. We also clearly demonstrate why a minimum dilution of 1 : 10 is often required in SPR assays to remove most background effects. Taken together, these results show that: (1) BSA does not affect the binding constant between antibodies and thus serves its purpose well when only surface blocking is intended, (2) HSA is an adequate surrogate for human serum in assay optimization, and (3) blocking buffers should be prepared with HSA in the optimization steps of assays to be translated to human blood or serum.
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Affiliation(s)
- Benjamin Charron
- Département de chimie, Quebec center for advanced materials (QCAM), Regroupement québécois sur les matériaux de pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP. 6128 Succ. Centre-Ville, Montréal, Qc, H3C 3J7, Canada.
| | - Alexandre Delorme
- Département de chimie, Quebec center for advanced materials (QCAM), Regroupement québécois sur les matériaux de pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP. 6128 Succ. Centre-Ville, Montréal, Qc, H3C 3J7, Canada.
| | - Caroline Dubois
- Département de chimie, Quebec center for advanced materials (QCAM), Regroupement québécois sur les matériaux de pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP. 6128 Succ. Centre-Ville, Montréal, Qc, H3C 3J7, Canada.
| | - Maryam Hojjat Jodaylami
- Département de chimie, Quebec center for advanced materials (QCAM), Regroupement québécois sur les matériaux de pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP. 6128 Succ. Centre-Ville, Montréal, Qc, H3C 3J7, Canada.
| | - Jean-Francois Masson
- Département de chimie, Quebec center for advanced materials (QCAM), Regroupement québécois sur les matériaux de pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP. 6128 Succ. Centre-Ville, Montréal, Qc, H3C 3J7, Canada.
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Hou J, Qian X, Xu Y, Guo Z, Thierry B, Yang CT, Zhou X, Mao C. Rapid and reliable ultrasensitive detection of pathogenic H9N2 viruses through virus-binding phage nanofibers decorated with gold nanoparticles. Biosens Bioelectron 2023; 237:115423. [PMID: 37311406 DOI: 10.1016/j.bios.2023.115423] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 03/19/2023] [Accepted: 05/22/2023] [Indexed: 06/15/2023]
Abstract
The rapid and sensitive detection of pathogenic viruses is important for controlling pandemics. Herein, a rapid, ultrasensitive, optical biosensing scheme was developed to detect avian influenza virus H9N2 using a genetically engineered filamentous M13 phage probe. The M13 phage was genetically engineered to bear an H9N2-binding peptide (H9N2BP) at the tip and a gold nanoparticle (AuNP)-binding peptide (AuBP) on the sidewall to form an engineered phage nanofiber, M13@H9N2BP@AuBP. Simulated modelling showed that M13@H9N2BP@AuBP enabled a 40-fold enhancement of the electric field enhancement in surface plasmon resonance (SPR) compared to conventional AuNPs. Experimentally, this signal enhancement scheme was employed for detecting H9N2 particles with a sensitivity down to 6.3 copies/mL (1.04 × 10-5 fM). The phage-based SPR scheme can detect H9N2 viruses in real allantoic samples within 10 min, even at very low concentrations beyond the detection limit of quantitative polymerase chain reaction (qPCR). Moreover, after capturing the H9N2 viruses on the sensor chip, the H9N2-binding phage nanofibers can be quantitatively converted into plaques that are visible to the naked eye for further quantification, thereby allowing us to enumerate the H9N2 virus particles through a second mode to cross-validate the SPR results. This novel phage-based biosensing strategy can be employed to detect other pathogens because the H9N2-binding peptides can be easily switched with other pathogen-binding peptides using phage display technology.
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Affiliation(s)
- Jinxiu Hou
- College of Veterinary Medicine, Institute of Comparative Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Xuejia Qian
- College of Veterinary Medicine, Institute of Comparative Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Yi Xu
- School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin, 541004, China
| | - Zhirui Guo
- The Second Affiliated Hospital, Nanjing Medical University, Nanjing, 210011, China
| | - Benjamin Thierry
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Adelaide, SA 5095, Australia
| | - Chih-Tsung Yang
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Adelaide, SA 5095, Australia.
| | - Xin Zhou
- College of Veterinary Medicine, Institute of Comparative Medicine, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China.
| | - Chuanbin Mao
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR, China; School of Materials Science & Engineering, Zhejiang University, Hangzhou, 310027, China.
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Li S, Xiang J, Yang F, Yuan R, Xiang Y. Aptamer/proximity hybridization-based label-free and highly sensitive colorimetric detection of methotrexate via polymerization/nicking recycling amplifications. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 295:122633. [PMID: 36965245 DOI: 10.1016/j.saa.2023.122633] [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: 01/17/2023] [Revised: 02/22/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
Methotrexate (MTX) is one of the commonly used therapeutic drugs for treating various tumors and autoimmune diseases. However, high dose usage of MTX may cause severe side effects and the monitoring of MTX is therefore critical. By coupling a new MTX aptamer-based proximity hybridization with polymerization/nicking reaction (PNR) recycling amplifications, we develop here a sensitive and label-free colorimetric approach for MTX detection in diluted human serums. The MTX molecules can bind and switch the conformation of aptamers in the DNA duplex probes to initiate subsequent proximity hybridization-induced PNR recycling processes for the yield of a great deal of G-quadruplexes with the assistance of two single-stranded assistant DNA sequences. Hemin subsequently combines with these G-quadruplexes to produce lots of G-quadruplex/hemin horseradish peroxidase (HRP) mimicking DNAzymes, which then catalyze intensified color transition of the substrate solution to exhibit highly magnified UV-Vis absorption for label-free and ultrasensitive detection of MTX at concentration as low as 5.66 nM in the range of 10 nM to 1 μM. High selectivity of the developed method also enables it to monitor low levels of MTX in diluted serum samples, which offers such a method enormous potentials for convenient and highly sensitive detection of other small molecule drugs for various clinical applications.
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Affiliation(s)
- Shunmei Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Jie Xiang
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Fang Yang
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Ruo Yuan
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yun Xiang
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
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6
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Saiki T, Ogata G, Sawamura S, Asai K, Razvina O, Watanabe K, Kato R, Zhang Q, Akiyama K, Madhurantakam S, Ahmad NB, Ino D, Nashimoto H, Matsumoto Y, Moriyama M, Horii A, Kondo C, Ochiai R, Kusuhara H, Saijo Y, Einaga Y, Hibino H. A strategy for low-cost portable monitoring of plasma drug concentrations using a sustainable boron-doped-diamond chip. Heliyon 2023; 9:e15963. [PMID: 37234605 PMCID: PMC10205593 DOI: 10.1016/j.heliyon.2023.e15963] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023] Open
Abstract
On-site monitoring of plasma drug concentrations is required for effective therapies. Recently developed handy biosensors are not yet popular owing to insufficient evaluation of accuracy on clinical samples and the necessity of complicated costly fabrication processes. Here, we approached these bottlenecks via a strategy involving engineeringly unmodified boron-doped diamond (BDD), a sustainable electrochemical material. A sensing system based on a ∼1 cm2 BDD chip, when analysing rat plasma spiked with a molecular-targeting anticancer drug, pazopanib, detected clinically relevant concentrations. The response was stable in 60 sequential measurements on the same chip. In a clinical study, data obtained with a BDD chip were consistent with liquid chromatography-mass spectrometry results. Finally, the portable system with a palm-sized sensor containing the chip analysed ∼40 μL of whole blood from dosed rats within ∼10 min. This approach with the 'reusable' sensor may improve point-of-monitoring systems and personalised medicine while reducing medical costs.
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Affiliation(s)
- Takuro Saiki
- Department of Medical Oncology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Genki Ogata
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama, Kanagawa 223-8522, Japan
| | - Seishiro Sawamura
- Division of Glocal Pharmacology, Department of Pharmacology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Kai Asai
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama, Kanagawa 223-8522, Japan
| | - Olga Razvina
- G-MedEx Project, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Kota Watanabe
- Niigata University School of Medicine, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Rito Kato
- Niigata University School of Medicine, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Qi Zhang
- Division of Glocal Pharmacology, Department of Pharmacology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
- Department of Otolaryngology Head and Neck Surgery, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Koei Akiyama
- Division of Glocal Pharmacology, Department of Pharmacology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
- Department of Molecular Physiology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Sasya Madhurantakam
- Division of Glocal Pharmacology, Department of Pharmacology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Norzahirah Binti Ahmad
- Division of Glocal Pharmacology, Department of Pharmacology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Daisuke Ino
- Division of Glocal Pharmacology, Department of Pharmacology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Haruma Nashimoto
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - Yoshifumi Matsumoto
- Department of Medical Oncology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Masato Moriyama
- Department of Medical Oncology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Arata Horii
- Department of Otolaryngology Head and Neck Surgery, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Chie Kondo
- Pharmaceuticals and Life Sciences Division, Shimadzu Techno-Research, Inc., 1, Nishinokyo-shimoai-cho, Nakagyo-ku, Kyoto, Kyoto 604-8436, Japan
| | - Ryosuke Ochiai
- Pharmaceuticals and Life Sciences Division, Shimadzu Techno-Research, Inc., 1, Nishinokyo-shimoai-cho, Nakagyo-ku, Kyoto, Kyoto 604-8436, Japan
| | - Hiroyuki Kusuhara
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - Yasuo Saijo
- Department of Medical Oncology, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori Chuo-ku, Niigata, Niigata 951-8510, Japan
| | - Yasuaki Einaga
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama, Kanagawa 223-8522, Japan
| | - Hiroshi Hibino
- Division of Glocal Pharmacology, Department of Pharmacology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
- AMED-CREST, AMED, Osaka 565-0871, Japan
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7
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Jha NG, Dkhar DS, Singh SK, Malode SJ, Shetti NP, Chandra P. Engineered Biosensors for Diagnosing Multidrug Resistance in Microbial and Malignant Cells. BIOSENSORS 2023; 13:235. [PMID: 36832001 PMCID: PMC9954051 DOI: 10.3390/bios13020235] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/17/2023] [Accepted: 01/28/2023] [Indexed: 06/18/2023]
Abstract
To curtail pathogens or tumors, antimicrobial or antineoplastic drugs have been developed. These drugs target microbial/cancer growth and survival, thereby improving the host's health. In attempts to evade the detrimental effects of such drugs, these cells have evolved several mechanisms over time. Some variants of the cells have developed resistances against multiple drugs or antimicrobial agents. Such microorganisms or cancer cells are said to exhibit multidrug resistance (MDR). The drug resistance status of a cell can be determined by analyzing several genotypic and phenotypic changes, which are brought about by significant physiological and biochemical alterations. Owing to their resilient nature, treatment and management of MDR cases in clinics is arduous and requires a meticulous approach. Currently, techniques such as plating and culturing, biopsy, gene sequencing, and magnetic resonance imaging are prevalent in clinical practices for determining drug resistance status. However, the major drawbacks of using these methods lie in their time-consuming nature and the problem of translating them into point-of-care or mass-detection tools. To overcome the shortcomings of conventional techniques, biosensors with a low detection limit have been engineered to provide quick and reliable results conveniently. These devices are highly versatile in terms of analyte range and quantities that can be detected to report drug resistance in a given sample. A brief introduction to MDR, along with a detailed insight into recent biosensor design trends and use for identifying multidrug-resistant microorganisms and tumors, is presented in this review.
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Affiliation(s)
- Niharika G. Jha
- School of Biochemical Engineering, Indian Institute of Technology (BHU) Varanasi, Varanasi 221005, Uttar Pradesh, India
| | - Daphika S. Dkhar
- School of Biochemical Engineering, Indian Institute of Technology (BHU) Varanasi, Varanasi 221005, Uttar Pradesh, India
| | - Sumit K. Singh
- School of Biochemical Engineering, Indian Institute of Technology (BHU) Varanasi, Varanasi 221005, Uttar Pradesh, India
| | - Shweta J. Malode
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi 580031, Karnataka, India
| | - Nagaraj P. Shetti
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi 580031, Karnataka, India
- University Center for Research & Development (UCRD), Chandigarh University, Mohali 140413, Panjab, India
| | - Pranjal Chandra
- School of Biochemical Engineering, Indian Institute of Technology (BHU) Varanasi, Varanasi 221005, Uttar Pradesh, India
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8
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Chamorro-Garcia A, Gerson J, Flatebo C, Fetter L, Downs AM, Emmons N, Ennis HL, Milosavić N, Yang K, Stojanovic M, Ricci F, Kippin TE, Plaxco KW. Real-Time, Seconds-Resolved Measurements of Plasma Methotrexate In Situ in the Living Body. ACS Sens 2023; 8:150-157. [PMID: 36534756 DOI: 10.1021/acssensors.2c01894] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Dose-limiting toxicity and significant patient-to-patient pharmacokinetic variability often render it difficult to achieve the safe and effective dosing of drugs. This is further compounded by the slow, cumbersome nature of the analytical methods used to monitor patient-specific pharmacokinetics, which inevitably rely on blood draws followed by post-facto laboratory analysis. Motivated by the pressing need for improved "therapeutic drug monitoring", we are developing electrochemical aptamer-based (EAB) sensors, a minimally invasive biosensor architecture that can provide real-time, seconds-resolved measurements of drug levels in situ in the living body. A key advantage of EAB sensors is that they are generalizable to the detection of a wide range of therapeutic agents because they are independent of the chemical or enzymatic reactivity of their targets. Three of the four therapeutic drug classes that have, to date, been shown measurable using in vivo EAB sensors, however, bind to nucleic acids as part of their mode of action, leaving open questions regarding the extent to which the approach can be generalized to therapeutics that do not. Here, we demonstrate real-time, in vivo measurements of plasma methotrexate, an antimetabolite (a mode of action not reliant on DNA binding) chemotherapeutic, following human-relevant dosing in a live rat animal model. By providing hundreds of drug concentration values, the resulting seconds-resolved measurements succeed in defining key pharmacokinetic parameters, including the drug's elimination rate, peak plasma concentration, and exposure (area under the curve), with unprecedented 5 to 10% precision. With this level of precision, we easily identify significant (>2-fold) differences in drug exposure occurring between even healthy rats given the same mass-adjusted methotrexate dose. By providing a real-time, seconds-resolved window into methotrexate pharmacokinetics, such measurements can be used to precisely "individualize" the dosing of this significantly toxic yet vitally important chemotherapeutic.
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Affiliation(s)
- Alejandro Chamorro-Garcia
- Department of Chemistry and Biochemistry, University of California Santa Barbara, Santa Barbara, California 93106, United States.,Dipartimento di Scienze e Tecnologie Chimiche, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Julian Gerson
- Department of Psychological and Brain Sciences, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Charlotte Flatebo
- Institute for Collaborative Biotechnologies, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Lisa Fetter
- Biomolecular Science and Engineering Program, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Alex M Downs
- Department of Mechanical Engineering, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Nicole Emmons
- Department of Psychological and Brain Sciences, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Herbert L Ennis
- Center for Innovative Diagnostic and Therapeutic Approaches, Department of Medicine, Columbia University New York, New York, New York 10032, United States
| | - Nenad Milosavić
- Center for Innovative Diagnostic and Therapeutic Approaches, Department of Medicine, Columbia University New York, New York, New York 10032, United States
| | - Kyungae Yang
- Center for Innovative Diagnostic and Therapeutic Approaches, Department of Medicine, Columbia University New York, New York, New York 10032, United States
| | - Milan Stojanovic
- Center for Innovative Diagnostic and Therapeutic Approaches, Department of Medicine, Columbia University New York, New York, New York 10032, United States.,Department of Biomedical Engineering and Systems Biology, Columbia University New York, New York, New York 10032, United States
| | - Francesco Ricci
- Dipartimento di Scienze e Tecnologie Chimiche, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Tod E Kippin
- Department of Psychological and Brain Sciences, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Kevin W Plaxco
- Department of Chemistry and Biochemistry, University of California Santa Barbara, Santa Barbara, California 93106, United States.,Biomolecular Science and Engineering Program, University of California Santa Barbara, Santa Barbara, California 93106, United States.,Department of Mechanical Engineering, University of California Santa Barbara, Santa Barbara, California 93106, United States.,Biological Engineering Graduate Program, University of California Santa Barbara, Santa Barbara, California 93106, United States
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9
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Xia G, Gao L, Feng ZW, Zhang L, Shi WJ, Li YD. Combination of an optical waveguide platform and ultra-thin spectrometer that enables increased surface plasmon resonance sensor compactness. OPTICS EXPRESS 2022; 30:39679-39690. [PMID: 36298914 DOI: 10.1364/oe.473946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
A novel integrated surface plasmon resonance (SPR) sensor that combines an optical waveguide platform and an ultra-thin spectrometer is proposed. The core of the proposed method is a special-shaped optical waveguide structure that employs a wedge-shaped incident surface, which changes the position of the total reflection of the incident light on the sagittal plane without affecting the direction of propagation on the tangential plane. The parameters of the sensing module with the integrated SPR sensor and spectrometer module were designed and optimized to achieve higher performance in a compact optical waveguide platform. An experimental system was built based on the theoretical model, and the spectral sensitivity of the system was analyzed before sample detection, and the results showed that the spectral resolution in the working range could reach 9.9 nm. The refractive index sensitivity of this novel SPR sensor was 3186 nm/RIU with good stability by detecting different concentrations of sodium chloride samples. This new structure does not require an external spectrometer, thereby enabling an increase in the compactness of the SPR sensing system. The proposed method can provide a novel idea for the miniaturization of SPR sensors.
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10
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Yang L, Ge J, Ma D, Tang J, Wang H, Li Z. MoS 2 quantum dots as fluorescent probe for methotrexate detection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 279:121443. [PMID: 35660152 DOI: 10.1016/j.saa.2022.121443] [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: 04/01/2022] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 06/15/2023]
Abstract
Herein, we developed a unique fluorescence biosensor for methotrexate assay based on MoS2 quantum dots, which were synthesized in one step using sodium molybdate and cysteine as raw materials. The fluorescence of MoS2 QDs could be quenched when encountered with methotrexate, which was attributed to the inner filter effect (IFE). Furthermore, this present IFE-based method showed the linearity between the MoS2 QDs fluorescence intensity and the methotrexate concentration in the range of 0.05-1 μM with the LOD of 42 nM. The practical applicability of this strategy was successfully demonstrated by detecting methotrexate in real samples. Results indicated that the proposed method could be a promising sensing platform for methotrexate analysis.
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Affiliation(s)
- Like Yang
- College of Chemistry, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Jia Ge
- College of Chemistry, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Demiao Ma
- College of Chemistry, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, PR China
| | - Jinlu Tang
- College of Chemistry, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, PR China.
| | - Hongqi Wang
- Institute of Quality Standard and Testing Technology for Agro-products, Henan Academy of Agricultural Science, PR China
| | - Zhaohui Li
- College of Chemistry, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, PR China.
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11
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Guerron A, Phan HT, Peñaloza-Arias C, Brambilla D, Roullin VG, Giasson S. Selectively triggered cell detachment from poly(N-isopropylacrylamide) microgel functionalized substrates. Colloids Surf B Biointerfaces 2022. [DOI: 10.1016/j.colsurfb.2022.112699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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12
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Göksel Y, Dumont E, Slipets R, Rajendran ST, Sarikaya S, Thamdrup LHE, Schmiegelow K, Rindzevicius T, Zor K, Boisen A. Methotrexate Detection in Serum at Clinically Relevant Levels with Electrochemically Assisted SERS on a Benchtop, Custom Built Raman Spectrometer. ACS Sens 2022; 7:2358-2369. [PMID: 35848726 DOI: 10.1021/acssensors.2c01022] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Therapeutic drug monitoring (TDM) is an essential clinical practice for optimizing drug dosing, thereby preventing adverse effects of drugs with a narrow therapeutic window, slow clearance, or high interperson pharmacokinetic variability. Monitoring methotrexate (MTX) during high-dose MTX (HD-MTX) therapy is necessary to avoid potentially fatal side effects caused by delayed elimination. Despite the efficacy of HD-MTX treatment, its clinical application in resource-limited settings is constrained due to the relatively high cost and time of analysis with conventional analysis methods. In this work, we developed (i) an electrochemically assisted surface-enhanced Raman spectroscopy (SERS) method for detecting MTX in human serum at a clinically relevant concentration range and (ii) a benchtop, Raman detection system with an integrated potentiostat, software, and data analysis unit that enables mapping of small areas of SERS substrates and quantitative SERS-based analysis. In the assay, by promoting electrostatic attraction between gold-coated nanopillar SERS substrates and MTX molecules in aqueous samples, a detection limit of 0.13 μM with a linear range of 0.43-2 μM was achieved in PBS. The implemented sample cleanup through gel filtration proved to be highly effective, resulting in a similar detection limit (0.55 μM) and linear range (1.81-5 μM) for both PBS and serum. The developed and optimized assay could also be used on the in-house built, Raman device. We showed that MTX detection can be carried out in less than 30 min with the Raman device, paving the way toward the TDM of MTX at the point-of-need and in resource-limited environments.
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Affiliation(s)
- Yaman Göksel
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark.,BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
| | - Elodie Dumont
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark.,BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
| | - Roman Slipets
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark.,BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
| | - Sriram T Rajendran
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark.,BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
| | - Sevde Sarikaya
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
| | - Lasse H E Thamdrup
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark.,BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
| | - Kjeld Schmiegelow
- Department of Paediatrics and Adolescent Medicine, Rigshospitalet University Hospital, Copenhagen 2100, Denmark
| | - Tomas Rindzevicius
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark.,BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
| | - Kinga Zor
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark.,BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
| | - Anja Boisen
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark.,BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
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13
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Preparation of Polyvinyl Imine Modified Carbon Quantum Dots and Their Application in Methotrexate Detection. Molecules 2022; 27:molecules27165254. [PMID: 36014493 PMCID: PMC9415630 DOI: 10.3390/molecules27165254] [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: 07/10/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 11/27/2022] Open
Abstract
Objective: A sensitive and selective fluorescence-detection platform based on carbon quantum dots (CQDs) was designed and developed for the determination of methotrexate (MTX), for the purpose of minimizing the possible toxic threat of MTX in clinics. Methods: The approach was prepared for the first time by a simple, hydrothermal method, making the synthesis and modification processes realized in one step using polyethyleneimine (PEI), and the proposed PEI-CQDs were obtained with high fluorescence quantum yield (38%). Results: MTX was found highly responsive and effective in quenching the fluorescence of the PEI-CQDs, due to a suggested fluorescence resonance energy transfer mechanism or inner-filter effect. The linear range of MTX was between 1 and 600 μmol/L under optimum conditions, with a detection limit (LOD) as low as 0.33 μmol/L. Furthermore, the fluorescent method was established for the MTX assay, and satisfactory results were acquired in real-sample determination. The average labeled quantity was 98.2%, and the average added standard recovery was 100.9%. Conclusions: The proposed PEI-CQDs showed a remarkable potential for broad applications in biological molecule determination and environmental analysis.
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14
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Szunerits S, Saada H, Pagneux Q, Boukherroub R. Plasmonic Approaches for the Detection of SARS-CoV-2 Viral Particles. BIOSENSORS 2022; 12:bios12070548. [PMID: 35884352 PMCID: PMC9313406 DOI: 10.3390/bios12070548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 11/16/2022]
Abstract
The ongoing highly contagious Coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), underlines the fundamental position of diagnostic testing in outbreak control by allowing a distinction of the infected from the non-infected people. Diagnosis of COVID-19 remains largely based on reverse transcription PCR (RT-PCR), identifying the genetic material of the virus. Molecular testing approaches have been largely proposed in addition to infectivity testing of patients via sensing the presence of viral particles of SARS-CoV-2 specific structural proteins, such as the spike glycoproteins (S1, S2) and the nucleocapsid (N) protein. While the S1 protein remains the main target for neutralizing antibody treatment upon infection and the focus of vaccine and therapeutic design, it has also become a major target for the development of point-of care testing (POCT) devices. This review will focus on the possibility of surface plasmon resonance (SPR)-based sensing platforms to convert the receptor-binding event of SARS-CoV-2 viral particles into measurable signals. The state-of-the-art SPR-based SARS-CoV-2 sensing devices will be provided, and highlights about the applicability of plasmonic sensors as POCT for virus particle as well as viral protein sensing will be discussed.
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15
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A Disposable Sensor Chip Using a Paste Electrode with Surface-Imprinted Graphite Particles for Rapid and Reagentless Monitoring of Theophylline. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27082456. [PMID: 35458653 PMCID: PMC9032138 DOI: 10.3390/molecules27082456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/04/2022] [Accepted: 04/06/2022] [Indexed: 11/25/2022]
Abstract
This work focuses on a carbon-based imprinted polymer composite, employed as a molecular recognition and sensing interface in fabricating a disposable electrochemical sensor. The carbon-paste electrode was made of a molecularly imprinted polymer comprising a copolymer of methacrylic acid as the functional monomer and blended crosslinking monomers of N,N′-methylenebisacrylamide, and ethylene glycol dimethacrylate, with theophylline as the template. The analytical properties of the proposed theophylline sensor were investigated, and the findings revealed an increase in differential pulse voltammetric current compared to the non-imprinted electrode. Under optimized conditions, the sensor has shown high sensitivity, high selectivity, lower detection limit (2.5 µg/mL), and satisfactory long-term stability. Further, the sensor was tested in whole bovine blood and validated without any matrix effect and cross-reactivity. Additionally, chronoamperometry of the sensor chip supported a rapid determination of THO with a short response time of 3 s. This carbon-paste electrode is highly specific for theophylline and may be applied as a drug sensor for clinical use.
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16
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Su D, Li Y, Yates EA, Skidmore MA, Lima MA, Fernig DG. Analysis of protein-heparin interactions using a portable SPR instrument. PEERJ ANALYTICAL CHEMISTRY 2022. [DOI: 10.7717/peerj-achem.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Optical biosensors such as those based on surface plasmon resonance (SPR) are a key analytical tool for understanding biomolecular interactions and function as well as the quantitative analysis of analytes in a wide variety of settings. The advent of portable SPR instruments enables analyses in the field. A critical step in method development is the passivation and functionalisation of the sensor surface. We describe the assembly of a surface of thiolated oleyl ethylene glycol/biotin oleyl ethylene glycol and its functionalisation with streptavidin and reducing end biotinylated heparin for a portable SPR instrument. Such surfaces can be batch prepared and stored. Two examples of the analysis of heparin-binding proteins are presented. The binding of fibroblast growth factor 2 and competition for the binding of a heparan sulfate sulfotransferase by a library of selectively modified heparins and suramin, which identify the selectivity of the enzyme for sulfated structures in the polysaccharide and demonstrate suramin as a competitor for the enzyme’s sugar acceptor site. Heparin functionalised surfaces should have a wide applicability, since this polysaccharide is a close structural analogue of the host cell surface polysaccharide, heparan sulfate, a receptor for many endogenous proteins and viruses.
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Affiliation(s)
- Dunhao Su
- Biochemistry, University of Liverpool, Liverpool, United Kingdom
| | - Yong Li
- Biochemistry, University of Liverpool, Liverpool, United Kingdom
| | - Edwin A. Yates
- Biochemistry, University of Liverpool, Liverpool, United Kingdom
| | - Mark A. Skidmore
- Molecular & Structural Biosciences, School of Life Sciences, University of Keele, Newcastle-Under-Lyme, United Kingdom
| | - Marcelo A. Lima
- Molecular & Structural Biosciences, School of Life Sciences, University of Keele, Newcastle-Under-Lyme, United Kingdom
| | - David G. Fernig
- Biochemistry, University of Liverpool, Liverpool, United Kingdom
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17
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One-Step Preparation of S, N Co-Doped Carbon Quantum Dots for the Highly Sensitive and Simple Detection of Methotrexate. Molecules 2022; 27:molecules27072118. [PMID: 35408528 PMCID: PMC9000489 DOI: 10.3390/molecules27072118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/10/2022] [Accepted: 03/17/2022] [Indexed: 02/01/2023] Open
Abstract
(1) Background: Carbon quantum dots (CQDs) are a new class of carbon nanomaterials with favorable features, such as tunable luminescence, unique optical properties, water solubility, and lack of cytotoxicity; they are readily applied in biomedicine. (2) Methods: S, N co-doped CQDs were prepared to develop a highly selective and sensitive fluorescence technique for the detection of methotrexate (MTX). For this purpose, citric acid and thiourea were used as C, N, and S sources in a single-step hydrothermal process to prepare the S, N co-doped CQDs, which displayed remarkable fluorescence properties. (3) Results: Two optimal emissions were observed at the excitation/emission wavelengths of 320/425 nm, respectively. The two emissions were significantly quenched in the presence of MTX. Under optimal conditions, MTX was detected in the linear concentration range of 1–300 μmol/L, with the detection limit of 0.33 μmol/L. The sensing mechanism was due to the fact that the effect of the inner filter on MTX and S, N-CQDs causes fluorescence quenching. The contents of MTX in real medicine samples were evaluated with acceptable recoveries of 98–101%. (4) Conclusions: This approach has great potential for detecting MTX in pharmaceutical analysis.
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18
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Chen S, Wu H, Song Y, Peng W, Liu Y. A Fiber-Optic Surface Plasmon Resonance Sensor for Bio-Detection in Visible to Near-Infrared Images. BIOSENSORS 2021; 12:9. [PMID: 35049638 PMCID: PMC8773545 DOI: 10.3390/bios12010009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
In this paper, we demonstrate a fiber-optic surface plasmon resonance (FO-SPR) biosensor based on image processing and back propagation (BP) neural network. The transmitted light of the FO-SPR sensor was captured by using visible (VIS) and near-infrared (NIR) CMOS sensors. The optical information related to the SPR effect was extracted from images based on grayscale conversion and an edge detection algorithm. To achieve accurate monitoring of refractive index (RI) changes, the grayscale means of the VIS and NIR images and the RGB summation of the edge-detected images were used as training and test inputs for the BP neural network. We verified the effectiveness and superiority of this sensing system by experiments on sodium chloride solution identification and protein binding detection. This work is promising for practical applications in standardized biochemical sensing.
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Affiliation(s)
- Shimeng Chen
- Department of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (H.W.); (Y.S.)
| | - Haojun Wu
- Department of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (H.W.); (Y.S.)
| | - Yongxin Song
- Department of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (H.W.); (Y.S.)
| | - Wei Peng
- School of Physics, Dalian University of Technology, Dalian 116024, China;
| | - Yun Liu
- School of Physics, Dalian University of Technology, Dalian 116024, China;
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19
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Hojjat Jodaylami M, Djaïleb A, Ricard P, Lavallée É, Cellier-Goetghebeur S, Parker MF, Coutu J, Stuible M, Gervais C, Durocher Y, Desautels F, Cayer MP, de Grandmont MJ, Rochette S, Brouard D, Trottier S, Boudreau D, Pelletier JN, Masson JF. Cross-reactivity of antibodies from non-hospitalized COVID-19 positive individuals against the native, B.1.351, B.1.617.2, and P.1 SARS-CoV-2 spike proteins. Sci Rep 2021; 11:21601. [PMID: 34750399 PMCID: PMC8575961 DOI: 10.1038/s41598-021-00844-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 10/19/2021] [Indexed: 12/20/2022] Open
Abstract
SARS-CoV-2 variants of concern (VOCs) have emerged worldwide, with implications on the spread of the pandemic. Characterizing the cross-reactivity of antibodies against these VOCs is necessary to understand the humoral response of non-hospitalized individuals previously infected with SARS-CoV-2, a population that remains understudied. Thirty-two SARS-CoV-2-positive (PCR-confirmed) and non-hospitalized Canadian adults were enrolled 14-21 days post-diagnosis in 2020, before the emergence of the B.1.351 (also known as Beta), B.1.617.2 (Delta) and P.1 (Gamma) VOCs. Sera were collected 4 and 16 weeks post-diagnosis. Antibody levels and pseudo-neutralization of the ectodomain of SARS-CoV-2 spike protein/human ACE-2 receptor interaction were analyzed with native, B.1.351, B.1.617.2 and P.1 variant spike proteins. Despite a lower response observed for the variant spike proteins, we report evidence of a sustained humoral response against native, B.1.351, B.1.617.2 and P.1 variant spike proteins among non-hospitalized Canadian adults. Furthermore, this response inhibited the interaction between the spike proteins from the different VOCs and ACE-2 receptor for ≥ 16 weeks post-diagnosis, except for individuals aged 18-49 years who showed no inhibition of the interaction between B.1.617.1 or B.1.617.2 spike and ACE-2. Interestingly, the affinity (KD) measured between the spike proteins (native, B.1.351, B.1.617.2 and P.1) and antibodies elicited in sera of infected and vaccinated (BNT162b2 and ChAdOx1 nCoV-19) individuals was invariant. Relative to sera from vaccine-naïve (and previously infected) individuals, sera from vaccinated individuals had higher antibody levels (as measured with label-free SPR) and more efficiently inhibited the spike-ACE-2 interactions, even among individuals aged 18-49 years, showing the effectiveness of vaccination.
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Affiliation(s)
- Maryam Hojjat Jodaylami
- Department of Chemistry, Québec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre Interdisciplinaire de Recherche sur le Cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montréal, QC, H3C 3J7, Canada
| | - Abdelhadi Djaïleb
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research On Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montréal, QC, H3C 3J7, Canada
| | - Pierre Ricard
- Department of Chemistry, Québec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre Interdisciplinaire de Recherche sur le Cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montréal, QC, H3C 3J7, Canada
| | - Étienne Lavallée
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research On Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montréal, QC, H3C 3J7, Canada
| | - Stella Cellier-Goetghebeur
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research On Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montréal, QC, H3C 3J7, Canada
| | - Megan-Faye Parker
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research On Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montréal, QC, H3C 3J7, Canada
| | - Julien Coutu
- Department of Chemistry, Québec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre Interdisciplinaire de Recherche sur le Cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montréal, QC, H3C 3J7, Canada
| | - Matthew Stuible
- Mammalian Cell Expression, Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC, Canada
| | - Christian Gervais
- Mammalian Cell Expression, Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC, Canada
| | - Yves Durocher
- Mammalian Cell Expression, Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, QC, Canada
| | - Florence Desautels
- Héma-Québec, Affaires médicales et innovation, 1070, avenue des Sciences-de-la-Vie, Québec, QC, G1V 5C3, Canada
| | - Marie-Pierre Cayer
- Héma-Québec, Affaires médicales et innovation, 1070, avenue des Sciences-de-la-Vie, Québec, QC, G1V 5C3, Canada
| | - Marie Joëlle de Grandmont
- Héma-Québec, Affaires médicales et innovation, 1070, avenue des Sciences-de-la-Vie, Québec, QC, G1V 5C3, Canada
| | - Samuel Rochette
- Héma-Québec, Affaires médicales et innovation, 1070, avenue des Sciences-de-la-Vie, Québec, QC, G1V 5C3, Canada
| | - Danny Brouard
- Héma-Québec, Affaires médicales et innovation, 1070, avenue des Sciences-de-la-Vie, Québec, QC, G1V 5C3, Canada
| | - Sylvie Trottier
- Centre de recherche du Centre hospitalier universitaire de Québec and Département de microbiologie-infectiologie et d'immunologie, Université Laval, 2705, boulevard Laurier, Québec, QC, G1V 4G2, Canada
| | - Denis Boudreau
- Department of Chemistry and Centre for Optics, Photonics and Lasers (COPL), Université Laval, 1045, av. de la Médecine, Québec, QC, G1V 0A6, Canada
| | - Joelle N Pelletier
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research On Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montréal, QC, H3C 3J7, Canada.
| | - Jean-Francois Masson
- Department of Chemistry, Québec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre Interdisciplinaire de Recherche sur le Cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montréal, QC, H3C 3J7, Canada.
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20
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Lo SC, Yeh CW, Wang SH, Kuo CW, Lee KL, Chern RL, Wei PK. Self-referencing biosensors using Fano resonance in periodic aluminium nanostructures. NANOSCALE 2021; 13:17775-17783. [PMID: 34523639 DOI: 10.1039/d1nr03799d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Surface plasmon resonance (SPR) is an important technique for real-time and label-free detection of specific binding biomolecules. However, conventional SPR signals come from both the surface binding biomolecules and the variation in the bulk refractive index. This work demonstrates that Fano resonance in an aluminum capped nanoslit array has the ability to remove the signal of bulk refractive index changes from the SPR signal. As compared to gold nanostructures, the aluminum nanostructure provides an asymmetrical Fano resonance with clear peak and dip wavelengths. The peak wavelength is close to the grating resonance condition. The evanescent depth at the peak wavelength is up to several microns. The dip wavelength comes from the SPR effect. The evanescent depth at the dip wavelength is about 300 nm. By simultaneously measuring the shifts of peaks and the dip wavelengths, the variation in the bulk refractive index can be removed and only the biolayer thickness is measured. The finite-difference time-domain calculation shows that the 470 nm-period nanoslit array with 90 and 70 nm slit depths has the optimal thickness sensitivity. In this experiment, a simple multispectral imaging system is developed for multiple bio-interaction measurements. The measured results verify that the bulk refractive index changes can be removed and the surface biomolecular interactions can be directly obtained without the need of a reference channel.
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Affiliation(s)
- Shu-Cheng Lo
- Institute of Applied Mechanics, National Taiwan University, Taipei 10617, Taiwan
- Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan
| | - Chun-Wei Yeh
- Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan
- Institute of Biophotonics, National Yang-Ming University, Taipei 11221, Taiwan
| | - Sheng-Hann Wang
- Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan
| | - Chia-Wen Kuo
- Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan
| | - Kuang-Li Lee
- Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan
| | - Ruey-Lin Chern
- Institute of Applied Mechanics, National Taiwan University, Taipei 10617, Taiwan
| | - Pei-Kuen Wei
- Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan
- Institute of Biophotonics, National Yang-Ming University, Taipei 11221, Taiwan
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21
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Djaileb A, Hojjat Jodaylami M, Coutu J, Ricard P, Lamarre M, Rochet L, Cellier-Goetghebeur S, Macaulay D, Charron B, Lavallée É, Thibault V, Stevenson K, Forest S, Live LS, Abonnenc N, Guedon A, Quessy P, Lemay JF, Farnós O, Kamen A, Stuible M, Gervais C, Durocher Y, Cholette F, Mesa C, Kim J, Cayer MP, de Grandmont MJ, Brouard D, Trottier S, Boudreau D, Pelletier JN, Masson JF. Cross-validation of ELISA and a portable surface plasmon resonance instrument for IgG antibody serology with SARS-CoV-2 positive individuals. Analyst 2021; 146:4905-4917. [PMID: 34250530 DOI: 10.1039/d1an00893e] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We report on the development of surface plasmon resonance (SPR) sensors and matching ELISAs for the detection of nucleocapsid and spike antibodies specific against the novel coronavirus 2019 (SARS-CoV-2) in human serum, plasma and dried blood spots (DBS). When exposed to SARS-CoV-2 or a vaccine against SARS-CoV-2, the immune system responds by expressing antibodies at levels that can be detected and monitored to identify the fraction of the population potentially immunized against SARS-CoV-2 and support efforts to deploy a vaccine strategically. A SPR sensor coated with a peptide monolayer and functionalized with various sources of SARS-CoV-2 recombinant proteins expressed in different cell lines detected human anti-SARS-CoV-2 IgG antibodies in clinical samples. Nucleocapsid expressed in different cell lines did not significantly change the sensitivity of the assays, whereas the use of a CHO cell line to express spike ectodomain led to excellent performance. This bioassay was performed on a portable SPR instrument capable of measuring 4 biological samples within 30 minutes of sample/sensor contact and the chip could be regenerated at least 9 times. Multi-site validation was then performed with in-house and commercial ELISA, which revealed excellent cross-correlations with Pearson's coefficients exceeding 0.85 in all cases, for measurements in DBS and plasma. This strategy paves the way to point-of-care and rapid testing for antibodies in the context of viral infection and vaccine efficacy monitoring.
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Affiliation(s)
- Abdelhadi Djaileb
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research on Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada. and Affinité Instruments, 1250 rue Guy, Suite 600, Montréal, Québec H3H 2L3, Canada
| | - Maryam Hojjat Jodaylami
- Department of Chemistry, Quebec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Julien Coutu
- Department of Chemistry, Quebec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Pierre Ricard
- Department of Chemistry, Quebec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Mathieu Lamarre
- Department of Chemistry and Centre for Optics, Photonics and Lasers (COPL), Université Laval, 1045, av. de la Médecine, Québec City, Québec G1V 0A6, Canada
| | - Léa Rochet
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research on Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Stella Cellier-Goetghebeur
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research on Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Devin Macaulay
- Department of Chemistry and Centre for Optics, Photonics and Lasers (COPL), Université Laval, 1045, av. de la Médecine, Québec City, Québec G1V 0A6, Canada
| | - Benjamin Charron
- Department of Chemistry, Quebec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Étienne Lavallée
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research on Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Vincent Thibault
- Department of Chemistry, Quebec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Keisean Stevenson
- Department of Chemistry, Quebec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Simon Forest
- Department of Chemistry, Quebec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Ludovic S Live
- Affinité Instruments, 1250 rue Guy, Suite 600, Montréal, Québec H3H 2L3, Canada
| | - Nanouk Abonnenc
- CNETE and PROTEO, The Québec Network for Research on Protein Function, Engineering and Applications, Cégep de Shawinigan, 2263 Avenue du Collège, Shawinigan, Québec G9N 6 V8, Canada
| | - Anthony Guedon
- CNETE and PROTEO, The Québec Network for Research on Protein Function, Engineering and Applications, Cégep de Shawinigan, 2263 Avenue du Collège, Shawinigan, Québec G9N 6 V8, Canada
| | - Patrik Quessy
- CNETE and PROTEO, The Québec Network for Research on Protein Function, Engineering and Applications, Cégep de Shawinigan, 2263 Avenue du Collège, Shawinigan, Québec G9N 6 V8, Canada
| | - Jean-François Lemay
- CNETE and PROTEO, The Québec Network for Research on Protein Function, Engineering and Applications, Cégep de Shawinigan, 2263 Avenue du Collège, Shawinigan, Québec G9N 6 V8, Canada
| | - Omar Farnós
- Department of Bioengineering, McGill University McConnell Engineering Building, 3480 University Street, Montreal, Québec H3A 0E9, Canada
| | - Amine Kamen
- Department of Bioengineering, McGill University McConnell Engineering Building, 3480 University Street, Montreal, Québec H3A 0E9, Canada
| | - Matthew Stuible
- Mammalian Cell Expression, Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, Québec, Canada
| | - Christian Gervais
- Mammalian Cell Expression, Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, Québec, Canada
| | - Yves Durocher
- Mammalian Cell Expression, Human Health Therapeutics Research Centre, National Research Council Canada, Montréal, Québec, Canada
| | - François Cholette
- National Laboratory for HIV Reference Services, National Microbiology Laboratory at the JC Wilt Infectious Diseases Research Centre, Public Health Agency of Canada, Winnipeg, Canada and Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Canada
| | - Christine Mesa
- National Laboratory for HIV Reference Services, National Microbiology Laboratory at the JC Wilt Infectious Diseases Research Centre, Public Health Agency of Canada, Winnipeg, Canada
| | - John Kim
- National Laboratory for HIV Reference Services, National Microbiology Laboratory at the JC Wilt Infectious Diseases Research Centre, Public Health Agency of Canada, Winnipeg, Canada
| | - Marie-Pierre Cayer
- Héma-Québec, Affaires médicales et innovation, 1070, avenue des Sciences-de-la-Vie, Québec City, G1V 5C3, Québec, Canada
| | - Marie-Joëlle de Grandmont
- Héma-Québec, Affaires médicales et innovation, 1070, avenue des Sciences-de-la-Vie, Québec City, G1V 5C3, Québec, Canada
| | - Danny Brouard
- Héma-Québec, Affaires médicales et innovation, 1070, avenue des Sciences-de-la-Vie, Québec City, G1V 5C3, Québec, Canada
| | - Sylvie Trottier
- Centre de recherche du Centre hospitalier universitaire de Québec and Département de microbiologie-infectiologie et d'immunologie, Université Laval 2705, boulevard Laurier, Québec City, Québec, Canada G1V 4G2
| | - Denis Boudreau
- Department of Chemistry and Centre for Optics, Photonics and Lasers (COPL), Université Laval, 1045, av. de la Médecine, Québec City, Québec G1V 0A6, Canada
| | - Joelle N Pelletier
- Department of Chemistry, Department of Biochemistry and PROTEO, The Québec Network for Research on Protein Function, Engineering and Applications, Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
| | - Jean-Francois Masson
- Department of Chemistry, Quebec Centre for Advanced Materials (QCAM), Regroupement Québécois sur les Matériaux de Pointe (RQMP), and Centre interdisciplinaire de recherche sur le cerveau et l'apprentissage (CIRCA), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, Québec H3C 3J7, Canada.
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22
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Göksel Y, Zor K, Rindzevicius T, Thorhauge Als-Nielsen BE, Schmiegelow K, Boisen A. Quantification of Methotrexate in Human Serum Using Surface-Enhanced Raman Scattering-Toward Therapeutic Drug Monitoring. ACS Sens 2021; 6:2664-2673. [PMID: 34143600 DOI: 10.1021/acssensors.1c00643] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Therapeutic drug monitoring (TDM) can improve clinical care when using drugs with pharmacokinetic variability and a narrow therapeutic window. Rapid, reliable, and easy-to-use detection methods are required in order to decrease the time of analysis and can also enable TDM in resource-limited settings or even at bedside. Monitoring methotrexate (MTX), an anticancer drug, is critical since it is needed to follow the drug clearance rate and decide how to administer the rescue drug, leucovorin (LV), in order to avoid toxicity and even death. We show that with the optimized nanopillar-assisted separation (NPAS) method using surface-enhanced Raman scattering, we were able to measure MTX in PBS and serum in the linear range of 5-150 μM and confirmed that MTX detection can be carried out even in the presence of LV. Additionally, when NPAS was combined with centrifugal filtration, a quantification limit of 2.1 μM for MTX in human serum sample was achieved. The developed detection method enables fast detection (10 min) and quantification of MTX from human serum (>90% accuracy). Furthermore, we show the potential of the developed method for TDM, when quantifying MTX from clinical samples, collected from patients who are undergoing high-dose MTX therapy.
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Affiliation(s)
- Yaman Göksel
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kongens Lyngby 2800, Denmark
| | - Kinga Zor
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kongens Lyngby 2800, Denmark
- BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
| | - Tomas Rindzevicius
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kongens Lyngby 2800, Denmark
- BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
| | | | - Kjeld Schmiegelow
- Department of Paediatrics and Adolescent Medicine, Rigshospitalet University Hospital, Copenhagen 2100, Denmark
| | - Anja Boisen
- Center for Intelligent Drug Delivery and Sensing Using Microcontainers and Nanomechanics (IDUN), Department of Health Technology, Technical University of Denmark, Kongens Lyngby 2800, Denmark
- BioInnovation Institute Foundation, Copenhagen N 2200, Denmark
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23
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Tahir MA, Dina NE, Cheng H, Valev VK, Zhang L. Surface-enhanced Raman spectroscopy for bioanalysis and diagnosis. NANOSCALE 2021; 13:11593-11634. [PMID: 34231627 DOI: 10.1039/d1nr00708d] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
In recent years, bioanalytical surface-enhanced Raman spectroscopy (SERS) has blossomed into a fast-growing research area. Owing to its high sensitivity and outstanding multiplexing ability, SERS is an effective analytical technique that has excellent potential in bioanalysis and diagnosis, as demonstrated by its increasing applications in vivo. SERS allows the rapid detection of molecular species based on direct and indirect strategies. Because it benefits from the tunable surface properties of nanostructures, it finds a broad range of applications with clinical relevance, such as biological sensing, drug delivery and live cell imaging assays. Of particular interest are early-stage-cancer detection and the fast detection of pathogens. Here, we present a comprehensive survey of SERS-based assays, from basic considerations to bioanalytical applications. Our main focus is on SERS-based pathogen detection methods as point-of-care solutions for early bacterial infection detection and chronic disease diagnosis. Additionally, various promising in vivo applications of SERS are surveyed. Furthermore, we provide a brief outlook of recent endeavours and we discuss future prospects and limitations for SERS, as a reliable approach for rapid and sensitive bioanalysis and diagnosis.
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Affiliation(s)
- Muhammad Ali Tahir
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, Peoples' Republic of China.
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24
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Peng X, Kotnala A, Rajeeva BB, Wang M, Yao K, Bhatt N, Penley D, Zheng Y. Plasmonic Nanotweezers and Nanosensors for Point-of-Care Applications. ADVANCED OPTICAL MATERIALS 2021; 9:2100050. [PMID: 34434691 PMCID: PMC8382230 DOI: 10.1002/adom.202100050] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Indexed: 05/12/2023]
Abstract
The capabilities of manipulating and analyzing biological cells, bacteria, viruses, DNAs, and proteins at high resolution are significant in understanding biology and enabling early disease diagnosis. We discuss progress in developments and applications of plasmonic nanotweezers and nanosensors where the plasmon-enhanced light-matter interactions at the nanoscale improve the optical manipulation and analysis of biological objects. Selected examples are presented to illustrate their design and working principles. In the context of plasmofluidics, which merges plasmonics and fluidics, the integration of plasmonic nanotweezers and nanosensors with microfluidic systems for point-of-care (POC) applications is envisioned. We provide our perspectives on the challenges and opportunities in further developing and applying the plasmofluidic POC devices.
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Affiliation(s)
- Xiaolei Peng
- Materials Science & Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA
| | - Abhay Kotnala
- Materials Science & Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA
| | - Bharath Bangalore Rajeeva
- Materials Science & Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA
| | - Mingsong Wang
- Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
| | - Kan Yao
- Materials Science & Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA
| | - Neel Bhatt
- Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
| | - Daniel Penley
- Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
| | - Yuebing Zheng
- Materials Science & Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA
- Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
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25
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Ong JJ, Pollard TD, Goyanes A, Gaisford S, Elbadawi M, Basit AW. Optical biosensors - Illuminating the path to personalized drug dosing. Biosens Bioelectron 2021; 188:113331. [PMID: 34038838 DOI: 10.1016/j.bios.2021.113331] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 05/06/2021] [Accepted: 05/08/2021] [Indexed: 02/06/2023]
Abstract
Optical biosensors are low-cost, sensitive and portable devices that are poised to revolutionize the medical industry. Healthcare monitoring has already been transformed by such devices, with notable recent applications including heart rate monitoring in smartwatches and COVID-19 lateral flow diagnostic test kits. The commercial success and impact of existing optical sensors has galvanized research in expanding its application in numerous disciplines. Drug detection and monitoring seeks to benefit from the fast-approaching wave of optical biosensors, with diverse applications ranging from illicit drug testing, clinical trials, monitoring in advanced drug delivery systems and personalized drug dosing. The latter has the potential to significantly improve patients' lives by minimizing toxicity and maximizing efficacy. To achieve this, the patient's serum drug levels must be frequently measured. Yet, the current method of obtaining such information, namely therapeutic drug monitoring (TDM), is not routinely practiced as it is invasive, expensive, time-consuming and skilled labor-intensive. Certainly, optical sensors possess the capabilities to challenge this convention. This review explores the current state of optical biosensors in personalized dosing with special emphasis on TDM, and provides an appraisal on recent strategies. The strengths and challenges of optical biosensors are critically evaluated, before concluding with perspectives on the future direction of these sensors.
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Affiliation(s)
- Jun Jie Ong
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom
| | - Thomas D Pollard
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom
| | - Alvaro Goyanes
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom; Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, I+D Farma Group (GI-1645), Universidade de Santiago de Compostela, 15782, Spain
| | - Simon Gaisford
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom
| | - Mohammed Elbadawi
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom
| | - Abdul W Basit
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom.
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26
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Wang C, Liu M, Wang Z, Li S, Deng Y, He N. Point-of-care diagnostics for infectious diseases: From methods to devices. NANO TODAY 2021; 37:101092. [PMID: 33584847 PMCID: PMC7864790 DOI: 10.1016/j.nantod.2021.101092] [Citation(s) in RCA: 210] [Impact Index Per Article: 70.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 01/22/2021] [Accepted: 01/23/2021] [Indexed: 05/04/2023]
Abstract
The current widespread of COVID-19 all over the world, which is caused by SARS-CoV-2 virus, has again emphasized the importance of development of point-of-care (POC) diagnostics for timely prevention and control of the pandemic. Compared with labor- and time-consuming traditional diagnostic methods, POC diagnostics exhibit several advantages such as faster diagnostic speed, better sensitivity and specificity, lower cost, higher efficiency and ability of on-site detection. To achieve POC diagnostics, developing POC detection methods and correlated POC devices is the key and should be given top priority. The fast development of microfluidics, micro electro-mechanical systems (MEMS) technology, nanotechnology and materials science, have benefited the production of a series of portable, miniaturized, low cost and highly integrated POC devices for POC diagnostics of various infectious diseases. In this review, various POC detection methods for the diagnosis of infectious diseases, including electrochemical biosensors, fluorescence biosensors, surface-enhanced Raman scattering (SERS)-based biosensors, colorimetric biosensors, chemiluminiscence biosensors, surface plasmon resonance (SPR)-based biosensors, and magnetic biosensors, were first summarized. Then, recent progresses in the development of POC devices including lab-on-a-chip (LOC) devices, lab-on-a-disc (LOAD) devices, microfluidic paper-based analytical devices (μPADs), lateral flow devices, miniaturized PCR devices, and isothermal nucleic acid amplification (INAA) devices, were systematically discussed. Finally, the challenges and future perspectives for the design and development of POC detection methods and correlated devices were presented. The ultimate goal of this review is to provide new insights and directions for the future development of POC diagnostics for the management of infectious diseases and contribute to the prevention and control of infectious pandemics like COVID-19.
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Affiliation(s)
- Chao Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, PR China
- Department of Biomedical Engineering, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Mei Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, PR China
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, PR China
| | - Zhifei Wang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, PR China
| | - Song Li
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, PR China
| | - Yan Deng
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, PR China
| | - Nongyue He
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, PR China
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou 412007, PR China
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27
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Drug-Based Gold Nanoparticles Overgrowth for Enhanced SPR Biosensing of Doxycycline. BIOSENSORS-BASEL 2020; 10:bios10110184. [PMID: 33228248 PMCID: PMC7699512 DOI: 10.3390/bios10110184] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/13/2020] [Accepted: 11/18/2020] [Indexed: 12/11/2022]
Abstract
In clinical chemistry, frequent monitoring of drug levels in patients has gained considerable importance because of the benefits of drug monitoring on human health, such as the avoidance of high risk of over dosage or increased therapeutic efficacy. In this work, we demonstrate that the drug doxycycline can act as an Au nanoparticle (doxy-AuNP) growth and capping agent to enhance the response of a surface plasmon resonance (SPR) biosensor for this drug. SPR analysis revealed the high sensitivity of doxy-AuNPs towards the detection of free doxycycline. More specifically, doxy-AuNPs bound with protease-activated receptor-1 (PAR-1) immobilized on the SPR sensing surface yield the response in SPR, which was enhanced following the addition of free doxy (analyte) to the solution of doxy-AuNPs. This biosensor allowed for doxycycline detection at concentrations as low as 7 pM. The study also examined the role of colloidal stability and growth of doxy-AuNPs in relation to the response-enhancement strategy based on doxy-AuNPs. Thus, the doxy-AuNPs-based SPR biosensor is an excellent platform for the detection of doxycycline and demonstrates a new biosensing scheme where the analyte can provide enhancement.
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28
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Lu M, Zhu H, Hong L, Zhao J, Masson JF, Peng W. Wavelength-Tunable Optical Fiber Localized Surface Plasmon Resonance Biosensor via a Diblock Copolymer-Templated Nanorod Monolayer. ACS APPLIED MATERIALS & INTERFACES 2020; 12:50929-50940. [PMID: 33136359 DOI: 10.1021/acsami.0c09711] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Well-dispersed and dense layers of gold nanorods (AuNRs) on optical fibers are shown to regulate the longitudinal peak wavelength and enhance the sensing performances of localized surface plasmon resonance (LSPR) biosensors. A simple self-assembly method relying on a brush-like monolayer of poly(styrene)-b-poly(acrylic acid) (PS-b-PAA) diblock copolymer was used to immobilize AuNRs with various aspect ratios from 2.33 to 4.60 on optical fibers. Both the experimental and simulation results illustrated that the particle aspect ratio, deposition time (related to the coverage of AuNRs), and interparticle gap significantly affected the optical properties of the fiber-based LSPR biosensors. The highest refractive index (RI) sensitivity of the sensor was 753 nm/RIU, while the limit of detection for human IgG was as low as 0.8 nM. Compared with standard nanoparticle deposition methods of polyelectrolytes or alkoxysilanes, the RI sensitivity of the PS-b-PAA dip-coating method was approximately 3-fold better, a consequence of the higher particle coverage and fewer AuNR aggregates. The presented AuNR-based LSPR sensors could regulate the detection range by tuning the aspect ratios of AuNRs. Applicability is demonstrated via quantitative analysis of antigen-antibody interactions, DNA sensing, and surface-enhanced Raman scattering.
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Affiliation(s)
- Mengdi Lu
- College of Physics, Dalian University of Technology, Dalian 116024, China
| | - Hu Zhu
- Department of Chemistry, University of Toronto, Ontario M5S3H6, Canada
| | - Long Hong
- School of Life Sciences, Peking University, Beijing 100871, China
| | - Jijun Zhao
- College of Physics, Dalian University of Technology, Dalian 116024, China
| | - Jean-Francois Masson
- Département de Chimie, Regroupement Québécois des Matériaux de Pointe, and Centre Québécois sur les Matériaux Fonctionnels (CQMF), Université de Montréal, Montreal H3C 3J7, Quebec, Canada
| | - Wei Peng
- College of Physics, Dalian University of Technology, Dalian 116024, China
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29
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Pan W, Han Z, Chang Y, Duan X. Three-dimensional biosensor surface based on novel thorns-like polyelectrolytes. Biosens Bioelectron 2020; 167:112504. [DOI: 10.1016/j.bios.2020.112504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/05/2020] [Accepted: 08/06/2020] [Indexed: 11/29/2022]
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30
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Forest S, Théorêt T, Coutu J, Masson JF. A high-throughput plasmonic tongue using an aggregation assay and nonspecific interactions: classification of taste profiles in maple syrup. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:2460-2468. [PMID: 32930235 DOI: 10.1039/c9ay01942a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A simple colorimetric test detects off-flavour profiles of maple syrups in minutes, which are detectable by the naked eye. As flavour profiles are due to complex mixtures of molecules, the test uses nonspecific interactions for analysing the aggregation and color change of Au nanoparticles (AuNPs) induced by the different organic molecules contained in off-flavour maple syrup. The test was optimal with 13 nm citrate-capped AuNPs reacting 1 : 1 with pure maple syrup diluted 10 times. Under these conditions, normal flavour maple syrups did not react and the solution remained red, while off-flavoured maple syrups aggregated the AuNPs and the solution turned blue. Different classes of molecules were then tested to evaluate the types of compounds typically found in maple syrups reacting in the test, showing that sulfur- and amine-containing amino acids and aromatic amines caused aggregation of the AuNPs. The test was validated with 1818 maple syrup samples from the 2018 harvest in Quebec and 98% of the off-flavoured maple syrups were positively identified against the standard taste test. Preliminary tests were performed on site in maple sugar shacks to validate the applicability of the test on the production site.
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Affiliation(s)
- Simon Forest
- Département de Chimie, Centre Québécois des Matériaux Fonctionnels (CQMF), Regroupement Québécois des Matériaux de Pointe (RQMP), Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada.
| | - Trevor Théorêt
- Département de Chimie, Centre Québécois des Matériaux Fonctionnels (CQMF), Regroupement Québécois des Matériaux de Pointe (RQMP), Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada.
| | - Julien Coutu
- Département de Chimie, Centre Québécois des Matériaux Fonctionnels (CQMF), Regroupement Québécois des Matériaux de Pointe (RQMP), Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada.
| | - Jean-Francois Masson
- Département de Chimie, Centre Québécois des Matériaux Fonctionnels (CQMF), Regroupement Québécois des Matériaux de Pointe (RQMP), Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, QC H3C 3J7, Canada.
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Masson JF. Portable and field-deployed surface plasmon resonance and plasmonic sensors. Analyst 2020; 145:3776-3800. [PMID: 32374303 DOI: 10.1039/d0an00316f] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Plasmonic sensors are ideally suited for the design of small, integrated, and portable devices that can be employed in situ for the detection of analytes relevant to environmental sciences, clinical diagnostics, infectious diseases, food, and industrial applications. To successfully deploy plasmonic sensors, scaled-down analytical devices based on surface plasmon resonance (SPR) and localized surface plasmon resonance (LSPR) must integrate optics, plasmonic materials, surface chemistry, fluidics, detectors and data processing in a functional instrument with a small footprint. The field has significantly progressed from the implementation of the various components in specifically designed prism-based instruments to the use of nanomaterials, optical fibers and smartphones to yield increasingly portable devices, which have been shown for a number of applications in the laboratory and deployed on site for environmental, biomedical/clinical, and food applications. A roadmap to deploy plasmonic sensors is provided by reviewing the current successes and by laying out the directions the field is currently taking to increase the use of field-deployed plasmonic sensors at the point-of-care, in the environment and in industries.
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Affiliation(s)
- Jean-Francois Masson
- Departement de chimie, Centre Québécois sur les Matériaux Fonctionnels (CQMF) and Regroupement Québécois sur les Matériaux de Pointe (RQMP), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, QC, CanadaH3C 3J7.
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Ates HC, Roberts JA, Lipman J, Cass AEG, Urban GA, Dincer C. On-Site Therapeutic Drug Monitoring. Trends Biotechnol 2020; 38:1262-1277. [PMID: 33058758 DOI: 10.1016/j.tibtech.2020.03.001] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 12/13/2022]
Abstract
Recent technological advances have stimulated efforts to bring personalized medicine into practice. Yet, traditional application fields like therapeutic drug monitoring (TDM) have remained rather under-appreciated. Owing to clear dose-response relationships, TDM could improve patient outcomes and reduce healthcare costs. While chromatography-based routine practices are restricted due to high costs and turnaround times, biosensors overcome these limitations by offering on-site analysis. Nevertheless, sensor-based approaches have yet to break through for clinical TDM applications, due to the gap between scientific and clinical communities. We provide a critical overview of current TDM practices, followed by a TDM guideline to establish a common ground across disciplines. Finally, we discuss how the translation of sensor systems for TDM can be facilitated, by highlighting the challenges and opportunities.
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Affiliation(s)
- H Ceren Ates
- Freiburg Centre for Interactive Materials and Bioinspired Technologies - FIT, University of Freiburg, 79110 Freiburg, Germany; Department of Microsystems Engineering - IMTEK, Laboratory for Sensors, University of Freiburg, 79110 Freiburg, Germany
| | - Jason A Roberts
- Centre of Clinical Research, Faculty of Medicine, The University of Queensland, 4072, Brisbane, Queensland, Australia; Department of Intensive Care Medicine, Royal Brisbane and Women's Hospital, 4029, Brisbane, Queensland, Australia; Department of Pharmacy, Royal Brisbane and Women's Hospital, 4029, Brisbane, Queensland, Australia; Centre for Translational Anti-infective Pharmacodynamics, School of Pharmacy, The University of Queensland, 4102, Brisbane, Queensland, Australia; Division of Anaesthesiology Critical Care Emergency and Pain Medicine, University of Montpellier, Nîmes University Hospital, 34090, Nîmes, France
| | - Jeffrey Lipman
- Centre of Clinical Research, Faculty of Medicine, The University of Queensland, 4072, Brisbane, Queensland, Australia; Department of Intensive Care Medicine, Royal Brisbane and Women's Hospital, 4029, Brisbane, Queensland, Australia; Division of Anaesthesiology Critical Care Emergency and Pain Medicine, University of Montpellier, Nîmes University Hospital, 34090, Nîmes, France
| | - Anthony E G Cass
- Department of Chemistry and Institute of Biomedical Engineering, Imperial College London, SW7 2AZ, London, UK
| | - Gerald A Urban
- Freiburg Centre for Interactive Materials and Bioinspired Technologies - FIT, University of Freiburg, 79110 Freiburg, Germany; Freiburg Materials Research Centre - FMF, University of Freiburg, 79104 Freiburg, Germany
| | - Can Dincer
- Freiburg Centre for Interactive Materials and Bioinspired Technologies - FIT, University of Freiburg, 79110 Freiburg, Germany; Department of Microsystems Engineering - IMTEK, Laboratory for Sensors, University of Freiburg, 79110 Freiburg, Germany. @imtek.de
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Qu JH, Dillen A, Saeys W, Lammertyn J, Spasic D. Advancements in SPR biosensing technology: An overview of recent trends in smart layers design, multiplexing concepts, continuous monitoring and in vivo sensing. Anal Chim Acta 2019; 1104:10-27. [PMID: 32106939 DOI: 10.1016/j.aca.2019.12.067] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 12/04/2019] [Accepted: 12/24/2019] [Indexed: 12/22/2022]
Abstract
Inspired by the rapid progress and existing limitations in surface plasmon resonance (SPR) biosensing technology, we have summarized the recent trends in the fields of both chip-SPR and fiber optic (FO)-SPR biosensors during the past five years, primarily regarding smart layers design, multiplexing, continuous monitoring and in vivo sensing. Versatile surface chemistries, biomaterials and nanomaterials have been utilized thus far to generate smart layers on SPR platforms and as such achieve oriented immobilization of bioreceptors, improved fouling resistance and sensitivity enhancement, collectively aiming to improve the biosensing performance. Furthermore, often driven by the desires for time- and cost-effective quantification of multiple targets in a single measurement, efforts have been made to implement multiplex bioassays on SPR platforms. While this aspect largely remains difficult to attain, numerous alternative strategies arose for obtaining parallel analysis of multiple analytes in one single device. Additionally, one of the upcoming challenges in this field will be to succeed in using SPR platforms for continuous measurements and in vivo sensing, and as such match up other biosensing platforms where these goals have been already conquered. Overall, this review will give insight into multiple possibilities that have become available over the years for boosting the performance of SPR biosensors. However, because combining them all into one optimal sensor is practically not feasible, the final application needs to be considered while designing an SPR biosensor, as this will determine the requirements of the bioassay and will thus help in selecting the essential elements from the recent progress made in SPR sensing.
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Affiliation(s)
- Jia-Huan Qu
- KU Leuven, Department of Biosystems - Biosensors Group, Willem de Croylaan 42, Box 2428, 3001, Leuven, Belgium
| | - Annelies Dillen
- KU Leuven, Department of Biosystems - Biosensors Group, Willem de Croylaan 42, Box 2428, 3001, Leuven, Belgium
| | - Wouter Saeys
- KU Leuven, Department of Biosystems, MeBioS - Biophotonics, Kasteelpark Arenberg 30, Box 2456, 3001, Leuven, Belgium
| | - Jeroen Lammertyn
- KU Leuven, Department of Biosystems - Biosensors Group, Willem de Croylaan 42, Box 2428, 3001, Leuven, Belgium.
| | - Dragana Spasic
- KU Leuven, Department of Biosystems - Biosensors Group, Willem de Croylaan 42, Box 2428, 3001, Leuven, Belgium
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Kazmi SAR, Qureshi MZ, Ali S, Masson JF. In Vitro Drug Release and Biocatalysis from pH-Responsive Gold Nanoparticles Synthesized Using Doxycycline. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:16266-16274. [PMID: 31710229 DOI: 10.1021/acs.langmuir.9b02420] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
pH-sensitive doxycycline gold nanoparticles (doxy-AuNPs) are reported here to act as effective drug nanocarriers and as biocatalysts. The AuNPs were synthesized with doxy as the reducing and capping agent. Various parameters were optimized to find the best conditions for the synthesis of doxy-AuNPs, and these were characterized with UV-vis, X-ray diffraction (XRD), FTIR, and transmission electron microscopy (TEM). Doxy-AuNPs were then loaded with the anticancer drug doxorubicin (DOX), where 70% of the initially available drug was loaded within 24 h. Furthermore, pH-dependent drug release was measured at 60% with in vitro measurements in phosphate-buffered saline (PBS). In addition, the doxy-AuNPs were applied as a biocatalyst. Oxidation of dopamine was taken as a model reaction to determine the catalytic activity of doxy-AuNPs. Almost complete oxidation of dopamine occurred in 5 min, which indicates the fast response of synthesized doxy-AuNPs as a biocatalyst. Hence, doxy-AuNPs are a versatile platform for drug loading and biocatalyst.
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Affiliation(s)
- Syed Akif Raza Kazmi
- Département de chimie , Université de Montréal , C.P. 6128 Succ. Centre-Ville , Montreal , Quebec H3C 3J7 , Canada
| | | | | | - Jean-Francois Masson
- Département de chimie , Université de Montréal , C.P. 6128 Succ. Centre-Ville , Montreal , Quebec H3C 3J7 , Canada
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Garzón V, Pinacho DG, Bustos RH, Garzón G, Bustamante S. Optical Biosensors for Therapeutic Drug Monitoring. BIOSENSORS 2019; 9:E132. [PMID: 31718050 PMCID: PMC6955905 DOI: 10.3390/bios9040132] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 10/30/2019] [Accepted: 11/01/2019] [Indexed: 12/26/2022]
Abstract
Therapeutic drug monitoring (TDM) is a fundamental tool when administering drugs that have a limited dosage or high toxicity, which could endanger the lives of patients. To carry out this monitoring, one can use different biological fluids, including blood, plasma, serum, and urine, among others. The help of specialized methodologies for TDM will allow for the pharmacodynamic and pharmacokinetic analysis of drugs and help adjust the dose before or during their administration. Techniques that are more versatile and label free for the rapid quantification of drugs employ biosensors, devices that consist of one element for biological recognition coupled to a signal transducer. Among biosensors are those of the optical biosensor type, which have been used for the quantification of different molecules of clinical interest, such as antibiotics, anticonvulsants, anti-cancer drugs, and heart failure. This review presents an overview of TDM at the global level considering various aspects and clinical applications. In addition, we review the contributions of optical biosensors to TDM.
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Affiliation(s)
- Vivian Garzón
- Doctoral Programme of Biosciences, Universidad de La Sabana, Chía 140013, Colombia
- Therapeutic Evidence Group, Clinical Pharmacology, Universidad de La Sabana, Chía 140013, Colombia
| | - Daniel G. Pinacho
- Therapeutic Evidence Group, Clinical Pharmacology, Universidad de La Sabana, Chía 140013, Colombia
| | - Rosa-Helena Bustos
- Therapeutic Evidence Group, Clinical Pharmacology, Universidad de La Sabana, Chía 140013, Colombia
| | - Gustavo Garzón
- Faculty of Medicine, Universidad de La Sabana, Chía 140013, Colombia
| | - Sandra Bustamante
- Physics Department, the Centre for NanoHealth, Swansea University, Swansea SA2 8PP, UK
- Vedas, Corporación de Investigación e Innovación, Medellín 050001, Colombia
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Olenin AY. Chemically Modified Silver and Gold Nanoparticles in Spectrometric Analysis. JOURNAL OF ANALYTICAL CHEMISTRY 2019. [DOI: 10.1134/s1061934819040099] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Meng F, Gan F, Ye G. Bimetallic gold/silver nanoclusters as a fluorescent probe for detection of methotrexate and doxorubicin in serum. Mikrochim Acta 2019; 186:371. [PMID: 31123833 DOI: 10.1007/s00604-019-3477-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 04/29/2019] [Indexed: 11/30/2022]
Abstract
New bimetallic gold/silver nanoclusters (NCs) are reported that display strong blue fluorescence with excitation/emission maxima at 370/455 nm, decay times of around 14 ns for the main components, and a quantum yield of around 20%. The NCs were synthesized by using L-tryptophan (L-Trp) as the template to react with tetrachloroauric acid and silver nitrate at 120 °C for 4 h in a one-pot reaction. Their fluorescence is around 5 times stronger than that of pure gold nanoclusters. The fluorescence of the bimetallic NCs is strongly reduced in the presence of the antitumor drugs methotrexate (MTX) and doxorubicin (DOX) due to an inner filter effect. Response to MTX is linear in the 2.5-150 μM concentration range, and to DOX in the 2.5-150 μM concentration range. The detection limits are as low as 2.5 nM and 3 nM, respectively. The recoveries from spiked serum are between 87.7% - 101.2% for MTX and between 86.2%-105.4% for DOX. Graphical abstract Schematic presentation of the synthesis of Au/AgNCs and the fluorometric determination of methotrexate (MTX) and doxorubicin (DOX) based on the inner filter effect.
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Affiliation(s)
- Feifei Meng
- School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China
| | - Feng Gan
- School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, People's Republic of China.
| | - Gang Ye
- Department of Gastroenterology, the First Affiliated Hospital of Jinan University, Guangzhou, 510630, People's Republic of China.
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Lu M, Zhu H, Bazuin CG, Peng W, Masson JF. Polymer-Templated Gold Nanoparticles on Optical Fibers for Enhanced-Sensitivity Localized Surface Plasmon Resonance Biosensors. ACS Sens 2019; 4:613-622. [PMID: 30698009 DOI: 10.1021/acssensors.8b01372] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Dense arrays of well-dispersed gold nanoparticles (AuNPs) on optical fibers are shown to bridge the gap in sensitivity and sensing performance between localized surface plasmon resonance (LSPR) and classical SPR sensing. A simple self-assembly method relying on a poly(styrene- b-4-vinylpyridine) (PS- b-P4VP) block copolymer brush layer was used to immobilize AuNPs of different diameters from 10 to 92 nm on optical fibers. In comparison with standard AuNP deposition methods using (3-aminopropyl)trimethoxysilane (APTMS) and polyelectrolytes, the sensitivity with the PS- b-P4VP templating method was found to be 3-fold better, a consequence of the smaller gap between particles and the presence of fewer AuNP aggregates. Hence, the sensitivity of the LSPR sensor for IgG was comparable to a classical SPR, also on optical fibers, and about 68% of that for a prism-based wavelength-interrogation SPR instrument. The reproducibility and the detection limit of the LSPR sensor were about the same as the SPR sensor. The enhanced performance of the LSPR sensors using the PS- b-P4VP block copolymer fabrication method paves the way for use of these LSPR biosensors in a smaller and more cost-effective platform.
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Affiliation(s)
- Mengdi Lu
- College of Physics and Optoelectronics Engineering, Dalian University of Technology, Dalian 116024, China
- Département de chimie and Centre Québécois sur les Matériaux Fonctionnels (CQMF), Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montreal, Quebec H3C 3J7, Canada
| | - Hu Zhu
- Département de chimie and Centre Québécois sur les Matériaux Fonctionnels (CQMF), Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montreal, Quebec H3C 3J7, Canada
| | - C. Geraldine Bazuin
- Département de chimie and Centre Québécois sur les Matériaux Fonctionnels (CQMF), Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montreal, Quebec H3C 3J7, Canada
| | - Wei Peng
- College of Physics and Optoelectronics Engineering, Dalian University of Technology, Dalian 116024, China
| | - Jean-Francois Masson
- Département de chimie and Centre Québécois sur les Matériaux Fonctionnels (CQMF), Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montreal, Quebec H3C 3J7, Canada
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A Surface Plasmon Resonance-based assay to measure serum concentrations of therapeutic antibodies and anti-drug antibodies. Sci Rep 2019; 9:2064. [PMID: 30765716 PMCID: PMC6376047 DOI: 10.1038/s41598-018-37950-4] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 12/17/2018] [Indexed: 12/14/2022] Open
Abstract
Therapeutic drug and immunogenicity monitoring (TDIM) is increasingly proposed to guide therapy with biologics, characterised by high inter-individual variability of their blood levels, to permit objective decisions for the management of non-responders and reduce unnecessary interventions with these expensive treatments. However, TDIM has not yet entered clinical practice partly because of uncertainties regarding the accuracy and precision of enzyme-linked immunosorbent assays (ELISA). Here we report the characterisation of a novel surface plasmon resonance (SPR)-based TDIM, applied to the measurement of serum concentrations of infliximab, an antibody against tumour necrosis factor α (anti-TNFα), and anti-infliximab antibodies. SPR has the obvious advantages of directly detecting and measuring serum antibodies in minutes, avoiding the long incubation/separation/washing/detection steps of the methods proposed so far, reducing complexity and variability. Moreover, drug and anti-drug antibodies can be measured simultaneously. This new method was validated for sensitivity and reproducibility, and showed cost-effectiveness over commercial ELISA kits. This method may be applied to other biotherapeutics. These data pave the way for the development of SPR-based point-of-care devices for rapid on-site analysis.
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Pang J, Tao L, Lu X, Yang Q, Pachauri V, Wang Z, Ingebrandt S, Chen X. Photothermal effects induced by surface plasmon resonance at graphene/gold nanointerfaces: A multiscale modeling study. Biosens Bioelectron 2019; 126:470-477. [DOI: 10.1016/j.bios.2018.11.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 10/27/2018] [Accepted: 11/04/2018] [Indexed: 01/03/2023]
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Simple and sensitive fluorescence sensor for methotrexate detection based on the inner filter effect of N, S co-doped carbon quantum dots. Anal Chim Acta 2019; 1047:179-187. [DOI: 10.1016/j.aca.2018.10.005] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 10/05/2018] [Indexed: 12/11/2022]
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Sergelen K, Liedberg B, Knoll W, Dostálek J. A surface plasmon field-enhanced fluorescence reversible split aptamer biosensor. Analyst 2018; 142:2995-3001. [PMID: 28744534 DOI: 10.1039/c7an00970d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Surface plasmon field-enhanced fluorescence is reported for the readout of a heterogeneous assay that utilizes low affinity split aptamer ligands. Weak affinity ligands that reversibly interact with target analytes hold potential for facile implementation in continuous monitoring biosensor systems. This functionality is not possible without the regeneration of more commonly used assays relying on high affinity ligands and end-point measurement. In fluorescence-based sensors, the use of low affinity ligands allows avoiding this step but it imposes a challenge associated with the weak optical response to the specific capture of the target analyte which is also often masked by a strong background. The coupling of fluorophore labels with a confined field of surface plasmons is reported for strong amplification of the fluorescence signal emitted from the sensor surface and its efficient discrimination from the background. This optical scheme is demonstrated for time-resolved analysis of chosen model analytes - adenoside and adenosine triphosphate - with a split aptamer that exhibits an equilibrium affinity binding constant between 0.73 and 1.35 mM. The developed biosensor enables rapid and specific discrimination of target analyte concentration changes from low μM to mM in buffer as well as in 10% serum.
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Affiliation(s)
- K Sergelen
- BioSensor Technologies, AIT-Austrian Institute of Technology, Muthgasse 11, 1190 Vienna, Austria.
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Development of a simple electrochemical sensor for the simultaneous detection of anticancer drugs. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.09.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Implementing Morpholino-Based Nucleic Acid Sensing on a Portable Surface Plasmon Resonance Instrument for Future Application in Environmental Monitoring. SENSORS 2018; 18:s18103259. [PMID: 30274157 PMCID: PMC6210944 DOI: 10.3390/s18103259] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 09/22/2018] [Accepted: 09/26/2018] [Indexed: 12/24/2022]
Abstract
A portable surface plasmon resonance (SPR) instrument was tested for the first time for the detection of oligonucleotide sequences derived from the 16S rRNA gene of Oleispira antarctica RB-8, a bioindicator species of marine oil contamination, using morpholino-functionalized sensor surfaces. We evaluated the stability and specificity of morpholino coated sensor surfaces and tested two signal amplification regimes: (1) sequential injection of sample followed by magnetic bead amplifier and (2) a single injection of magnetic bead captured oligo. We found that the sensor surfaces could be regenerated for at least 85 consecutive sample injections without significant loss of signal intensity. Regarding specificity, the assay clearly differentiated analytes with only one or two mismatches. Signal intensities of mismatch oligos were lower than the exact match target at identical concentrations down to 200 nM, in standard phosphate buffered saline with 0.1 % Tween-20 added. Signal amplification was achieved with both strategies; however, significantly higher response was observed with the sequential approach (up to 16-fold), where first the binding of biotin-probe-labeled target oligo took place on the sensor surface, followed by the binding of the streptavidin magnetic beads onto the immobilized targets. Our experiments so far indicate that a simple coating procedure in combination with a relatively cost-efficient magnetic-bead-based signal amplification will provide robust SPR based nucleic acid sensing down to 0.5 nM of a 45-nucleotide long oligo target (7.2 ng/mL).
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Ross GMS, Bremer MGEG, Nielen MWF. Consumer-friendly food allergen detection: moving towards smartphone-based immunoassays. Anal Bioanal Chem 2018; 410:5353-5371. [PMID: 29582120 PMCID: PMC6096701 DOI: 10.1007/s00216-018-0989-7] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 02/14/2018] [Accepted: 02/26/2018] [Indexed: 12/28/2022]
Abstract
In this critical review, we provide a comprehensive overview of immunochemical food allergen assays and detectors in the context of their user-friendliness, through their connection to smartphones. Smartphone-based analysis is centered around citizen science, putting analysis into the hands of the consumer. Food allergies represent a significant worldwide health concern and consumers should be able to analyze their foods, whenever and wherever they are, for allergen presence. Owing to the need for a scientific background, traditional laboratory-based detection methods are generally unsuitable for the consumer. Therefore, it is important to develop simple, safe, and rapid assays that can be linked with smartphones as detectors to improve user accessibility. Smartphones make excellent detection systems because of their cameras, embedded flash functions, portability, connectivity, and affordability. Therefore, this review has summarized traditional laboratory-based methods for food allergen detection such as enzyme-linked-immunosorbent assay, flow cytometry, and surface plasmon resonance, and the potential to modernize these methods by interfacing them with a smartphone readout system, based on the aforementioned smartphone characteristics. This is the first review focusing on smartphone-based food-allergen detection methods designed with the intention of being consumer-friendly. Graphical abstract A smartphone-based food allergen detection system in three easy steps (1) sample preparation, (2) allergen detection on a smartphone using antibodies, which then transmits the data wirelessly, (3) analytical results sent straight to smartphone.
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Affiliation(s)
- Georgina M S Ross
- RIKILT, Wageningen University and Research, P.O Box 230, 6700 AE, Wageningen, The Netherlands.
| | - Monique G E G Bremer
- RIKILT, Wageningen University and Research, P.O Box 230, 6700 AE, Wageningen, The Netherlands
| | - Michel W F Nielen
- RIKILT, Wageningen University and Research, P.O Box 230, 6700 AE, Wageningen, The Netherlands
- Laboratory of Organic Chemistry, Wageningen University, Helix Building 124, Stippeng 4, 6708 WE, Wageningen, The Netherlands
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Zhou H, Ran G, Masson JF, Wang C, Zhao Y, Song Q. Novel tungsten phosphide embedded nitrogen-doped carbon nanotubes: A portable and renewable monitoring platform for anticancer drug in whole blood. Biosens Bioelectron 2018; 105:226-235. [PMID: 29412947 DOI: 10.1016/j.bios.2018.01.045] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 12/31/2017] [Accepted: 01/21/2018] [Indexed: 11/24/2022]
Abstract
Biosensors based on converting the concentration of analytes in complex samples into single electrochemical signals are attractive candidates as low cost, high-throughput, portable and renewable sensor platforms. Here, we describe a simple but practical analytical device for sensing an anticancer drug in whole blood, using the detection of methotrexate (MTX) as a model system. In this biosensor, a novel carbon-based composite, tungsten phosphide embedded nitrogen-doped carbon nanotubes (WP/N-CNT), was fixed to the electrode surface that supported redox cycling. The electronic transmission channel in nitrogen doped carbon nanotubes (N-CNT) and the synergistic effect of uniform distribution tungsten phosphide (WP) ensured that the electrode materials have outstanding electrical conductivity and catalytic performance. Meanwhile, the surface electronic structure also endows its surprisingly reproducible performance. To demonstrate portable operation for MTX sensing, screen printing electrodes (SPE) was modified with WP/N-CNT. The sensor exhibited low detection limits (45 nM), wide detection range (0.01-540 μM), good selectivity and long-term stability for the determination of MTX. In addition, the technique was successfully applied for the determination of MTX in whole blood.
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Affiliation(s)
- Haifeng Zhou
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Guoxia Ran
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Jean-Francois Masson
- Department of Chemistry, Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montreal, Quebec, Canada H3C 3J7
| | - Chan Wang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Yuan Zhao
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Qijun Song
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China.
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Niu P, Zhao J, Zhang C, Bai H, Shi W. Multi-channel optical fiber refractometer based on tree topology structure. APPLIED OPTICS 2018; 57:4696-4700. [PMID: 29877352 DOI: 10.1364/ao.57.004696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 05/08/2018] [Indexed: 06/08/2023]
Abstract
A multi-channel optical fiber refractometer based on S fiber taper (SFT) cascaded with fiber Bragg grating (FBG) is proposed and experimentally demonstrated. The compact SFT acts as an in-line Mach-Zehnder interferometer (MZI) to be used as a band-pass filter (BPF) to tailor the FBG reflection, whose transmission spectrum is sensitive to the surrounding refractive index (SRI). Thus, the peak power of the FBG reflection is modulated by the SRI. The three-channel SRI monitor can be achieved by discriminating the different center wavelength and peak power variation of the FBG reflections. Experimental results show that the RI sensitivities of Channels 1, 2, and 3 are 345.54, 349.57, and 463.60 dB/RIU, respectively. Moreover, the temperature cross-sensitivity can be solved by interrogating the center wavelength of the FBG reflection.
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Qian S, Lin M, Ji W, Yuan H, Zhang Y, Jing Z, Zhao J, Masson JF, Peng W. Boronic Acid Functionalized Au Nanoparticles for Selective MicroRNA Signal Amplification in Fiber-Optic Surface Plasmon Resonance Sensing System. ACS Sens 2018; 3:929-935. [PMID: 29741084 DOI: 10.1021/acssensors.7b00871] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
MicroRNA (miRNA) regulates gene expression and plays a fundamental role in multiple biological processes. However, if both single-stranded RNA and DNA can bind with capture DNA on the sensing surface, selectively amplifying the complementary RNA signal is still challenging for researchers. Fiber-optic surface plasmon resonance (SPR) sensors are small, accurate, and convenient tools for monitoring biological interaction. In this paper, we present a high sensitivity microRNA detection technique using phenylboronic acid functionalized Au nanoparticles (PBA-AuNPs) in fiber-optic SPR sensing systems. Due to the inherent difficulty directly detecting the hybridized RNA on the sensing surface, the PBA-AuNPs were used to selectively amplify the signal of target miRNA. The result shows that the method has high selectivity and sensitivity for miRNA, with a detection limit at 2.7 × 10-13 M (0.27 pM). This PBA-AuNPs amplification strategy is universally applicable for RNA detection with various sensing technologies, such as surface-enhanced Raman spectroscopy and electrochemistry, among others.
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Affiliation(s)
| | | | | | | | | | | | | | - Jean-François Masson
- Department of Chemistry, Université de Montréal, Montréal, Québec H3C 3J7, Canada
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Hybridization conditions of oligonucleotide-capped gold nanoparticles for SPR sensing of microRNA. Biosens Bioelectron 2018; 109:230-236. [PMID: 29567568 DOI: 10.1016/j.bios.2018.03.032] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 03/12/2018] [Accepted: 03/14/2018] [Indexed: 01/22/2023]
Abstract
MicroRNA (miRNA) sensing, especially the miRNA-200 family, is increasingly targeted for cancer diagnostics. As the sensing schemes often rely on nanoparticles functionalized with a specific oligonucleotide, we investigate the hydribization conditions using the common case of surface plasmon resonance (SPR) sensing of miRNA and a gold nanoparticle (Au NP) competitor. In this type of assays, the Au NPs compete with the microRNA to bind the capture probe immobilized on the gold surface. In our study, we simplify and improve the detection procedure by adopting 11-mercaptoundecanoic acid (11-MUA) as linker to the gold surface, not only omitting the blocking step of 6-mercapto-1-hexanol (MCH), but also increasing the probe density. We report that the response in our SPR sensing studies increased with the size of Au NPs according to the plasmon ruler equation, but the larger AuNPs of 32 nm lacked colloidal stability. In addition, decreasing the ratio of oligonucleotide to Au NPs and the addition of polyethylene glycol (PEG) to hybridization buffer also favored a better response in SPR sensing of miRNA. The optimization led to an improved detection sensitivity in our competition method and a detection limit as low as 500 pM for miRNA-200b without amplification of miRNA and use of other amplification schemes.
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Plasmofluidics for Biosensing and Medical Diagnostics. NANOTECHNOLOGY CHARACTERIZATION TOOLS FOR BIOSENSING AND MEDICAL DIAGNOSIS 2018. [PMCID: PMC7122966 DOI: 10.1007/978-3-662-56333-5_5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Plasmofluidics, an extension of optofluidics into the nanoscale regime, merges plasmonics and micro-/nanofluidics for highly integrated and multifunctional lab on a chip. In this chapter, we focus on the applications of plasmofluidics in the versatile manipulation and sensing of biological cell, organelles, molecules, and nanoparticles, which underpin advanced biomedical diagnostics.
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