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Çiçek Özkul SL, Kaba İ, Ozdemir Olgun FA. Unravelling the potential of magnetic nanoparticles: a comprehensive review of design and applications in analytical chemistry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:3620-3640. [PMID: 38814019 DOI: 10.1039/d4ay00206g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
The study of nanoparticles has emerged as a prominent research field, offering a wide range of applications across various disciplines. With their unique physical and chemical properties within the size range of 1-100 nm, nanoparticles have garnered significant attention. Among them, magnetic nanoparticles (MNPs) exemplify promising super-magnetic characteristics, especially in the 10-20 nm size range, making them ideal for swift responses to applied magnetic fields. In this comprehensive review, we focus on MNPs suitable for analytical purposes. We investigate and classify them based on their analytical applications, synthesis routes, and overall utility, providing a detailed literature summary. By exploring a diverse range of MNPs, this review offers valuable insights into their potential application in various analytical scenarios.
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Affiliation(s)
- Serra Lale Çiçek Özkul
- Istanbul Technical University, Faculty of Science and Letters, Department of Chemistry, Maslak Campus, Sariyer, Istanbul, Turkey
| | - İbrahim Kaba
- Marmara University, Faculty of Engineering, Department of Chemical Engineering, Maltepe, Istanbul, Turkey
| | - Fatos Ayca Ozdemir Olgun
- Istanbul Health and Technology University, Faculty of Engineering and Natural Sciences, Department of Chemical Engineering, Sutluce, Beyoglu, Istanbul, Turkey.
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2
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Chen F, Zhao M, Zhang B, Zhao M, Ma Y. Surface Plasmon Resonance-Enhanced CdS/FTO Heterojunction for Cu 2+ Detection. SENSORS (BASEL, SWITZERLAND) 2024; 24:3809. [PMID: 38931593 PMCID: PMC11207611 DOI: 10.3390/s24123809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 06/09/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024]
Abstract
Copper ion (Cu2+) pollution poses a serious threat to marine ecology and fisheries. However, the complexity of seawater and its interference factors make the online detection of Cu2+ quite challenging. To address this issue, we introduce the concept of the photo-assisted adjustment barrier effect into electrochemical detection, using it as a driving force to generate electrochemical responses. The Schottky barrier demonstrates a remarkable regulatory influence on the electrochemical response under photoexcitation, facilitating the response through Cu2+ adsorption. We developed a 4-MBA-AuNPs/CdS/FTO composite that serves as a sensitive platform for Cu2+ detection, achieving a detection limit of 70 nM. Notably, the photo-assisted adjustment of the barrier effect effectively counters the interference posed by ions in seawater, ensuring accurate detection. Furthermore, the sensor exhibits a promising recovery rate (99.62-104.9%) in real seawater samples, highlighting its practical applications. This innovative approach utilizing the photo-assisted adjustment barrier effect offers a promising path for developing electrochemical sensors that can withstand interference.
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Affiliation(s)
| | | | | | - Minggang Zhao
- School of Material Science and Engineering, Ocean University of China, 238 Songling Road, Qingdao 266100, China
| | - Ye Ma
- School of Material Science and Engineering, Ocean University of China, 238 Songling Road, Qingdao 266100, China
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3
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Zhang X, Li H, Zhao W, Xu J, Wang S, Yu R. Development of a separation platform comprising magnetic beads combined with the CRISPR/Cas12a system enabling ultrasensitive and rapid detection of miRNA-21. Mikrochim Acta 2023; 190:458. [PMID: 37917353 DOI: 10.1007/s00604-023-06038-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/09/2023] [Indexed: 11/04/2023]
Abstract
A separation platform has been developed mediated by a combination of magnetic beads and the CRISPR/Cas12a system to achieve ultrasensitive and rapid detection of miRNA-21 at a low level. In this system, with the assistance of an auxiliary probe, the target miRNA-21 can be specifically combined with three-stranded probes to initiate the SDR reaction. Abundant aptamer A3 was added to the solution that can activate the CRISPR/Cas12a system and initiate the trans-cleavage reaction to recover the fluorescence signal. Using magnetic beads to mediate the separation considerably greatly improves the signal conversion efficiency and detection sensitivity. At the 492 nm excitation wavelength, and 502-650 nm scan range, through analyzing the fluorescence peak intensity at 520 nm, the biosensor's determination range and limit of detection is 8 fM-250 nM and 2.42 fM, respectively, and the RSD is 19.03-37.80. Compared with other biosensors, the biosensor developed exhibited superior performance and the signal recovered excellently in 1% human serum and the LOD is 12.12 fM. This method provides a novel highly sensitive scheme for detecting miRNA .
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Affiliation(s)
- Xinyi Zhang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, People's Republic of China
| | - Hongbo Li
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, People's Republic of China.
- State Key Laboratory for Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, People's Republic of China.
| | - Weihua Zhao
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, People's Republic of China
| | - Jun Xu
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, People's Republic of China
| | - Suqin Wang
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, People's Republic of China
| | - Ruqin Yu
- State Key Laboratory for Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, People's Republic of China
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Nardone D, Ciaramella A, Cerreta M, Pulcrano S, Bellenchi GC, Leone L, Manco G, Febbraio F. Selymatra: A web application for protein-profiling analysis of mass spectra. Biotechnol Appl Biochem 2022; 69:1821-1829. [PMID: 34487563 PMCID: PMC9912196 DOI: 10.1002/bab.2249] [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: 07/06/2021] [Accepted: 08/23/2021] [Indexed: 11/06/2022]
Abstract
Surface enhanced laser desorption/ionization-time of flight (SELDI-TOF) mass spectrometry is a variant of the matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) mass spectrometry. It is used in many cases especially for the analysis of protein profiling and for preliminary screening of biomarkers in complex samples. Unfortunately, these analyses are time consuming and protein identification is generally strictly limited. SELDI-TOF analysis of mass spectra (SELYMATRA) is a web application (WA) developed to reduce these limitations by (i) automating the identification processes and (ii) introducing the possibility to predict proteins in complex mixtures from cells and tissues. The WA architectural pattern is the model-view-controller, commonly used in software development. The WA compares the mass value between two mass spectra (sample vs. control) to extract differences, and, according to the set parameters, it queries a local database to predict most likely proteins based on their masses and different expression amplification. The WA was validated in a cellular model overexpressing a tagged NURR1 receptor, being able to recognize the tagged protein in the profiling of transformed cells. A help page, including a description of parameters for WA use, is available on the website.
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Affiliation(s)
- Davide Nardone
- Department of Science and TechnologyUniversity of Naples ParthenopeNaplesItaly
| | - Angelo Ciaramella
- Department of Science and TechnologyUniversity of Naples ParthenopeNaplesItaly
| | - Mariangela Cerreta
- Institute of Biochemistry and Cellular BiologyNational Research CouncilNaples80131Italy
| | - Salvatore Pulcrano
- Institute of Genetic and Biophysics “A. Buzzati Traverso”National Research CouncilNaplesItaly
| | - Gian C. Bellenchi
- Institute of Genetic and Biophysics “A. Buzzati Traverso”National Research CouncilNaplesItaly
| | - Linda Leone
- Department of Chemical SciencesUniversity of Naples “Federico II”Naples80126Italy
| | - Giuseppe Manco
- Institute of Biochemistry and Cellular BiologyNational Research CouncilNaples80131Italy
| | - Ferdinando Febbraio
- Institute of Biochemistry and Cellular BiologyNational Research CouncilNaples80131Italy
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5
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Liu M, Miao D, Qin S, Liu H, Bai Y. Mass tags-based mass spectrometric immunoassay and its bioanalysis applications. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lin X, Zhao M, Li M, Long J, Zhang J, Yu F, Xu F, Sun L. Single-Molecule Detection of Nucleic Acids via Liposome Signal Amplification in Mass Spectrometry. SENSORS (BASEL, SWITZERLAND) 2022; 22:1346. [PMID: 35214249 PMCID: PMC8963037 DOI: 10.3390/s22041346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/28/2022] [Accepted: 01/29/2022] [Indexed: 06/14/2023]
Abstract
A single-molecule detection method was developed for nucleic acids based on mass spectrometry counting single liposome particles. Before the appearance of symptoms, a negligible amount of nucleic acids and biomarkers for the clinical diagnosis of the disease were already present. However, it is difficult to detect extremely low concentrations of nucleic acids using the current methods. Hence, the establishment of an ultra-sensitive nucleic acid detection technique is urgently needed. Herein, magnetic beads were used to capture target nucleic acids, and liposome particles were employed as mass tags for single-particle measurements. Liposomes were released from magnetic beads via photocatalytic cleavage. Hence, one DNA molecule corresponded to one liposome particle, which could be counted using mass spectrometric measurement. The ultrasensitive detection of DNA (10-18 M) was achieved using this method.
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Hu J, Liu F, Chen Y, Shangguan G, Ju H. Mass Spectrometric Biosensing: A Powerful Approach for Multiplexed Analysis of Clinical Biomolecules. ACS Sens 2021; 6:3517-3535. [PMID: 34529414 DOI: 10.1021/acssensors.1c01394] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Rapid and sensitive detection of clinical biomolecules in a multiplexed fashion is of great importance for accurate diagnosis of diseases. Mass spectrometric (MS) approaches are exceptionally suitable for clinical analysis due to its high throughput, high sensitivity, and reliable qualitative and quantitative capabilities. To break through the bottleneck of MS technique for detecting high-molecular-weight substances with low ionization efficiency, the concept of mass spectrometric biosensing has been put forward by adopting mass spectrometric chips to recognize the targets and mass spectrometry to detect the signals switched by the recognition. In this review, the principle of mass spectrometric sensing, the construction of different mass tags used for biosensing, and the typical combination mode of mass spectrometric imaging (MSI) technique are summarized. Future perspectives including the design of portable matching platforms, exploitation of novel mass tags, development of effective signal amplification strategies, and standardization of MSI methodologies are proposed to promote the advancements and practical applications of mass spectrometric biosensing.
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Affiliation(s)
- Junjie Hu
- College of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining 272067, China
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Fei Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yunlong Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Guoqiang Shangguan
- College of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining 272067, China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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Ma W, Li J, Li X, Bai Y, Liu H. Nanostructured Substrates as Matrices for Surface Assisted Laser Desorption/Ionization Mass Spectrometry: A Progress Report from Material Research to Biomedical Applications. SMALL METHODS 2021; 5:e2100762. [PMID: 34927930 DOI: 10.1002/smtd.202100762] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/13/2021] [Indexed: 06/14/2023]
Abstract
Within the past two decades, the escalation of research output in nanotechnology fields has boosted the development of novel nanoparticles and nanostructured substrates for use as matrices in surface assisted laser desorption/ionization mass spectrometry (SALDI-MS). The application of nanomaterials as matrices, rather than organic matrices, offers remarkable characteristics that allow the analysis of small molecules with fewer matrix interfering peaks, and share higher detection sensitivity, specificity, and reproducibility. The technological advancement of SALDI-MS has in turn, propelled the application of the analytical technique in the field of biomedical analysis. In this review, the properties and fabrication methods of nanostructured substrates in SALDI-MS such as metallic-, carbon-, and silicon-based nanostructures, quantum dots, metal-organic frameworks, and covalent-organic frameworks are described. Additionally, the latest progress (most within 5 years) of biomedical applications in small molecule, large biomolecule, and MS imaging analysis including metabolite profiling, drug monitoring, bacteria identification, disease diagnosis, and therapeutic evaluation are demonstrated. Key parameters that govern nanomaterial's SALDI efficiency in biomolecule analysis are also discussed. Finally, perspectives of the future development are given to provide a better advancement and promote practical application in clinical MS.
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Affiliation(s)
- Wen Ma
- State Key Laboratory of Natural and Biomimetic DrugsSchool of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Jun Li
- State Key Laboratory of Natural and Biomimetic DrugsSchool of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Xianjiang Li
- Division of Metrology in Chemistry, National Institute of Metrology, Beijing, 100029, China
| | - Yu Bai
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Huwei Liu
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
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9
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Xu H, Zhang Z, Wang Y, Lu W, Min Q. Engineering of nanomaterials for mass spectrometry analysis of biomolecules. Analyst 2021; 146:5779-5799. [PMID: 34397044 DOI: 10.1039/d1an00860a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Mass spectrometry (MS) based analysis has received intense attention in diverse biological fields. However, direct MS interrogation of target biomolecules in complex biological samples is still challenging, due to the extremely low abundance and poor ionization potency of target biological species. Innovations in nanomaterials create new auxiliary tools for deep and comprehensive MS characterization of biomolecules. More recently, growing research interest has been directed to the compositional and structural engineering of nanomaterials for enriching target biomolecules prior to MS analysis, enhancing the ionization efficiency in MS detection and designing biosensing nanoprobes in sensitive MS readout. In this review, we mainly focus on the recent advances in the engineering of nanomaterials towards their applications in sample pre-treatment, desorption/ionization matrices and ion signal amplification for MS profiling of biomolecules. This review will provide a toolbox of nanomaterials for researchers devoted to developing analytical methods and practical applications in the biological MS field.
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Affiliation(s)
- Hongmei Xu
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China. and Institute of Environmental Science, Shanxi University, Taiyuan 030006, P. R. China
| | - Zhenzhen Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
| | - Yihan Wang
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
| | - Weifeng Lu
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
| | - Qianhao Min
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
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Wang XN, Tang W, Gordon A, Wang HY, Xu L, Li P, Li B. Porous TiO 2 Film Immobilized with Gold Nanoparticles for Dual-Polarity SALDI MS Detection and Imaging. ACS APPLIED MATERIALS & INTERFACES 2020; 12:42567-42575. [PMID: 32852188 DOI: 10.1021/acsami.0c12949] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Surface-assisted laser desorption/ionization (SALDI) mass spectrometry (MS) has become an attractive complementary approach to matrix-assisted laser desorption/ionization (MALDI) MS. SALDI MS has great potential for the detection of small molecules because of the absence of applied matrix. In this work, a functionalized porous TiO2 film immobilized with gold nanoparticles (AuNPs-FPTDF) was prepared to enhance SALDI MS performance. The porous TiO2 films were prepared by the facile sol-gel method and chemically functionalized for dense loading of AuNPs. The prepared AuNPs-FPTDF showed superior performance in the detection and imaging of small molecules in dual-polarity modes, with high detection sensitivity in the low pmol range, good repeatability, and low background noise compared to common organic MALDI matrixes. Its usage efficiently enhanced SALDI MS detection of various small molecules, such as amino acids and neurotransmitters, fatty acids, saccharides, alkaloids, and flavonoids, as compared with α-cyano-4-hydroxycinnamic acid, 9-aminoacridine, and the three precursor substrates of AuNPs-FPTDF. In addition, the blood glucose level in rats was successfully determined from a linearity concentration range of 0.5-9 mM, as well as other biomarkers in rat serum with SALDI MS. More importantly, the spatial distribution of metabolites from the intact flowers of the medicinal plant Catharanthus roseus was explored by using the AuNPs-FPTDF as an imprint SALDI MS substrate in dual-polarity modes. These results demonstrate wide applications and superior performances of the AuNPs-FPTDF as a multifunctional SALDI surface with enhanced detection sensitivity and imaging capabilities.
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Affiliation(s)
- Xian-Na Wang
- State Key Laboratory of Natural Medicines and School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Weiwei Tang
- State Key Laboratory of Natural Medicines and School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Andrew Gordon
- State Key Laboratory of Natural Medicines and School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Hui-Ying Wang
- State Key Laboratory of Natural Medicines and School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Linru Xu
- State Key Laboratory of Natural Medicines and School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Ping Li
- State Key Laboratory of Natural Medicines and School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Bin Li
- State Key Laboratory of Natural Medicines and School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, China
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Samarah LZ, Vertes A. Mass spectrometry imaging based on laser desorption ionization from inorganic and nanophotonic platforms. VIEW 2020. [DOI: 10.1002/viw.20200063] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Laith Z. Samarah
- Department of Chemistry George Washington University Washington DC USA
| | - Akos Vertes
- Department of Chemistry George Washington University Washington DC USA
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12
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Zhang B, Jia Y, Wang J, Chang H, Zhao Z, Cheng Y. Colorimetric and photothermal dual-mode immunoassay for tumour marker detection based on a Ag2CO3@Ag nanocomposite. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.09.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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He H, Guo Z, Wen Y, Xu S, Liu Z. Recent advances in nanostructure/nanomaterial-assisted laser desorption/ionization mass spectrometry of low molecular mass compounds. Anal Chim Acta 2019; 1090:1-22. [DOI: 10.1016/j.aca.2019.08.048] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 08/17/2019] [Accepted: 08/20/2019] [Indexed: 12/20/2022]
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Chu HW, Lai CS, Ko JY, Harroun SG, Chuang CI, Wang RYL, Unnikrishnan B, Huang CC. Nanoparticle-Based LDI-MS Immunoassay for the Multiple Diagnosis of Viral Infections. ACS Sens 2019; 4:1543-1551. [PMID: 31066548 DOI: 10.1021/acssensors.9b00054] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Many serious public health emergencies around the globe are caused by viral epidemics. Thus, developing a reliable method for viral screening is in high demand. Multiplex assays for simultaneous detection and fast screening of high-risk pathogens are especially needed. This study employs metal nanoparticles to generate specific mass spectral signals for different RNA viruses, which enables simultaneous detection of whole viruses by laser desorption/ionization mass spectrometry (LDI-MS). We developed a nanoparticle-based sandwich immunosorbent assay as a sensing platform for the detection of viruses and viral nonstructural protein by LDI-MS. Cellulose acetate membrane (CAM) serves as the substrate for the fabrication of the sandwich immunosorbent assay with the advantages of clean mass spectra and high enrichment of analytes. Antibody-modified metal nanoparticles (Ab-MNPs; M = Au or Ag) act as metallic biocodes for the LDI-MS detection. The signal amplification readout for the virus is through the pulsed laser-induced formation of metal cluster ions ([M n]+; n = 1-3) from the Ab-MNPs which specifically bind on the CAM. Our sensing system is effective for the detection of intact viruses [Enterovirus 71 (EV71) and Japanese encephalitis virus (JEV)], nonstructural protein 1 (NS1) of Zika virus (ZIKV), EV71-spiked human serum samples, and the simultaneous detection of EV71 and ZIKV. Our probe efficiently detects EV71 in real clinical serum samples with >95% agreement with RT-qPCR results. This high-throughput LDI-MS viral detection system is simple, reliable, and high-throughput. We believe this platform has the potential to be employed for the routine screening of patients with viral infections.
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Affiliation(s)
- Han-Wei Chu
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Chao-Sung Lai
- Biomedical Engineering Research Center, Department of Electronic Engineering, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Nephrology, Chang Gung Memorial Hospital, Linkou, New Taipei 33305, Taiwan
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
| | - Jo-Yun Ko
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Scott G. Harroun
- Department of Chemistry, Université de Montréal, Montréal, Québec H3C 3J7, Canada
| | - Chiao-I Chuang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Robert Y. L. Wang
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Division of Pediatric Infectious Disease, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou, New Taipei 33305, Taiwan
| | - Binesh Unnikrishnan
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Chih-Ching Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 20224, Taiwan
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan
- School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
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15
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Enhancing reproducibility of SALDI MS detection by concentrating analytes within laser spot. Talanta 2018; 179:583-587. [DOI: 10.1016/j.talanta.2017.11.056] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 11/08/2017] [Accepted: 11/26/2017] [Indexed: 12/17/2022]
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16
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Kong W, Zhao X, Zhu Q, Gao L, Cui H. Highly Chemiluminescent Magnetic Beads for Label-Free Sensing of 2,4,6-Trinitrotoluene. Anal Chem 2017; 89:7145-7151. [PMID: 28551993 DOI: 10.1021/acs.analchem.7b01111] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Until now, despite the great success acquired in scientific research and commercial applications, magnetic beads (MBs) have been used for nothing more than a carrier in most cases in bioassays. In this work, highly chemiluminescent magnetic beads containing N-(4-aminobutyl)-N-ethyl isoluminol (ABEI) and Co2+ (Co2+/ABEI/MBs) were first synthesized via a facile strategy. ABEI and Co2+ were grafted onto the surface of carboxylated MBs by virtue of a carboxyl group and electrostatic interaction. The as-prepared Co2+/ABEI/MBs exhibited good paramagnetic properties, satisfactory stability, and intense chemiluminescence (CL) emission when reacted with H2O2, which was more than 150 times that of ABEI functionalized MBs. Furthermore, it was found that 2,4,6-trinitrotoluene (TNT) aptamer could attach to the surface of Co2+/ABEI/MBs via electrostatic interaction and coordination interaction between TNT aptamer and Co2+, leading to a decrease in CL intensity due to the catalytic site Co2+ being blocked by the aptamer. In the presence of TNT, TNT would bind strongly with TNT aptamer and detach from the surface of Co2+/ABEI/MBs, resulting in partial restoration of the CL signal. Accordingly, label-free aptasensor was developed for the determination of TNT in the range of 0.05-25 ng/mL with a detection limit of 17 pg/mL. This work demonstrates that Co2+/ABEI/MBs are easily connected with recognition biomolecules, which are not only magnetic carriers but also direct sensing interfaces with excellent CL activity. It provides a novel CL interface with a magnetic property which easily separates analytes from the sample matrix to construct label-free bioassays.
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Affiliation(s)
- Weijun Kong
- CAS Key Laboratory of Soft Matter Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, University of Science and Technology of China , Hefei, Anhui 230026, P. R. China
| | - Xiaoning Zhao
- Beijing Yunci Technology Co., Ltd. , PKUcare Industrial Park, 8 Life Science Park Road, Room 308 Building 2, Changping District, Beijing, 102200, P. R. China
| | - Qiuju Zhu
- CAS Key Laboratory of Soft Matter Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, University of Science and Technology of China , Hefei, Anhui 230026, P. R. China
| | - Lingfeng Gao
- CAS Key Laboratory of Soft Matter Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, University of Science and Technology of China , Hefei, Anhui 230026, P. R. China
| | - Hua Cui
- CAS Key Laboratory of Soft Matter Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, University of Science and Technology of China , Hefei, Anhui 230026, P. R. China
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Highly photosensitive colorimetric immunoassay for tumor marker detection based on Cu 2+ doped Ag-AgI nanocomposite. Talanta 2017; 167:111-117. [DOI: 10.1016/j.talanta.2017.02.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 01/25/2017] [Accepted: 02/04/2017] [Indexed: 11/18/2022]
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