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Troncoso-Afonso L, Vinnacombe-Willson GA, García-Astrain C, Liz-Márzan LM. SERS in 3D cell models: a powerful tool in cancer research. Chem Soc Rev 2024; 53:5118-5148. [PMID: 38607302 PMCID: PMC11104264 DOI: 10.1039/d3cs01049j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Indexed: 04/13/2024]
Abstract
Unraveling the cellular and molecular mechanisms underlying tumoral processes is fundamental for the diagnosis and treatment of cancer. In this regard, three-dimensional (3D) cancer cell models more realistically mimic tumors compared to conventional 2D cell cultures and are more attractive for performing such studies. Nonetheless, the analysis of such architectures is challenging because most available techniques are destructive, resulting in the loss of biochemical information. On the contrary, surface-enhanced Raman spectroscopy (SERS) is a non-invasive analytical tool that can record the structural fingerprint of molecules present in complex biological environments. The implementation of SERS in 3D cancer models can be leveraged to track therapeutics, the production of cancer-related metabolites, different signaling and communication pathways, and to image the different cellular components and structural features. In this review, we highlight recent progress in the use of SERS for the evaluation of cancer diagnosis and therapy in 3D tumoral models. We outline strategies for the delivery and design of SERS tags and shed light on the possibilities this technique offers for studying different cellular processes, through either biosensing or bioimaging modalities. Finally, we address current challenges and future directions, such as overcoming the limitations of SERS and the need for the development of user-friendly and robust data analysis methods. Continued development of SERS 3D bioimaging and biosensing systems, techniques, and analytical strategies, can provide significant contributions for early disease detection, novel cancer therapies, and the realization of patient-tailored medicine.
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Affiliation(s)
- Lara Troncoso-Afonso
- BioNanoPlasmonics Laboratory, CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), 20014 Donostia-San Sebastián, Spain.
- Department of Applied Chemistry, University of the Basque Country, 20018 Donostia-San Sebastián, Gipuzkoa, Spain
| | - Gail A Vinnacombe-Willson
- BioNanoPlasmonics Laboratory, CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), 20014 Donostia-San Sebastián, Spain.
| | - Clara García-Astrain
- BioNanoPlasmonics Laboratory, CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), 20014 Donostia-San Sebastián, Spain.
- Centro de Investigación Biomédica en Red de Bioingeniería Biomateriales, y Nanomedicina (CIBER-BBN), Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
| | - Luis M Liz-Márzan
- BioNanoPlasmonics Laboratory, CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), 20014 Donostia-San Sebastián, Spain.
- Centro de Investigación Biomédica en Red de Bioingeniería Biomateriales, y Nanomedicina (CIBER-BBN), Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
- Ikerbasque Basque Foundation for Science, 48013 Bilbao, Spain
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2
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Husain S, Mutalik C, Yougbaré S, Chen CY, Kuo TR. Plasmonic Au@Ag Core-Shell Nanoisland Film for Photothermal Inactivation and Surface-Enhanced Raman Scattering Detection of Bacteria. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:695. [PMID: 38668189 PMCID: PMC11053632 DOI: 10.3390/nano14080695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/10/2024] [Accepted: 04/15/2024] [Indexed: 04/29/2024]
Abstract
Plasmonic metal nanomaterials have been extensively investigated for their utilizations in biomedical sensing and treatment. In this study, plasmonic Au@Ag core-shell nanoisland films (Au@AgNIFs) were successfully grown onto a glass substrate using a seed-mediated growth procedure. The nanostructure of the Au@AgNIFs was confirmed through scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and atomic force microscopy (AFM). The UV-Vis spectra of the Au@AgNIFs exhibited a broad absorption in the visible range from 300 to 800 nm because of the surface plasmon absorption. Under simulated sunlight exposure, the temperature of optimal Au@AgNIF was increased to be 66.9 °C to meet the requirement for photothermal bacterial eradication. Furthermore, the Au@AgNIFs demonstrated a consistent photothermal effect during the cyclic on/off exposure to light. For photothermal therapy, the Au@AgNIFs revealed superior efficiency in the photothermal eradication of Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). With their unique nanoisland nanostructure, the Au@AgNIFs exhibited excellent growth efficiency of bacteria in comparison with that of the bare glass substrate. The Au@AgNIFs were also validated as a surface-enhanced Raman scattering (SERS) substrate to amplify the Raman signals of E. coli and S. aureus. By integrating photothermal therapy and SERS detection, the Au@AgNIFs were revealed to be a potential platform for bacterial theranostics.
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Affiliation(s)
- Sadang Husain
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan;
- Department of Physics, Faculty of Mathematics and Natural Science, Lambung Mangkurat University, Banjarmasin 70124, Indonesia
| | - Chinmaya Mutalik
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan;
| | - Sibidou Yougbaré
- Institut de Recherche en Sciences de La Santé/Direction Régionale du Centre Ouest (IRSS/DRCO), Nanoro BP 218, 11, Burkina Faso;
| | - Chun-You Chen
- Artificial Intelligence Research and Development Center, Wan Fang Hospital, Taipei Medical University, Taipei 11696, Taiwan
- Department of Radiation Oncology, Wan Fang Hospital, Taipei Medical University, Taipei 11696, Taiwan
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan
| | - Tsung-Rong Kuo
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan;
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan;
- Stanford Byers Center for Biodesign, Stanford University, Stanford, CA 94305, USA
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3
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Ma J, Li Y, Ying Y, Wu B, Liu Y, Zhou J, Hu L. Progress of Mesoporous Silica Coated Gold Nanorods for Biological Imaging and Cancer Therapy. ChemMedChem 2024; 19:e202300374. [PMID: 37990850 DOI: 10.1002/cmdc.202300374] [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: 07/18/2023] [Revised: 11/19/2023] [Accepted: 11/19/2023] [Indexed: 11/23/2023]
Abstract
For unique surface plasmon absorption and fluorescence characteristics, gold nanorods have been developed and widely employed in the biomedical field. However, limitations still exist due their low specific surface area, instability and tendency agglomerate in cytoplasm. Mesoporous silica materials have been broadly applied in field of catalysts, adsorbents, nanoreactors, and drug carriers due to its unique mesoporous structure, highly comparative surface area, good stability and biocompatibility. Therefore, coating gold nanorods with a dendritic mesopore channels can effectively prevent particle agglomeration, while increasing the specific surface area and drug loading efficiency. This review discusses the advancements of GNR@MSN in synthetic process, bio-imaging technique and tumor therapy. Additionally, the further application of GNR@MSN in imaging-guided treatment modalities is explored, while its promising superior application prospect is highlighted. Finally, the issues related to in vivo studies are critically examined for facilitating the transition of this promising nanoplatform into clinical trials.
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Affiliation(s)
- Jiaying Ma
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, University of South China, Hengyang, 421001, PR China
| | - Yongzhen Li
- Department of Pharmacy, School of Pharmacy, University of South China, Hengyang, 421001, PR China
| | - Yunfei Ying
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, University of South China, Hengyang, 421001, PR China
| | - Baibei Wu
- Department of Clinical Medicine, University of South China, Hengyang, 421001, PR China
| | - Yanmei Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, University of South China, Hengyang, 421001, PR China
| | - Juan Zhou
- School of Mechanical Engineering, University of South China, Hengyang, 421001, PR China
| | - Lidan Hu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, University of South China, Hengyang, 421001, PR China
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4
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Wang L, Qi F, Bi L, Yan J, Han X, Wang Y, Song P, Wang Y, Zhang H. Targeted hollow pollen silica nanoparticles for enhanced intravesical therapy of bladder cancer. Biomater Sci 2023. [PMID: 37314787 DOI: 10.1039/d3bm00631j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Bladder cancer (BC), such as non-muscle invasive bladder cancer (NMIBC), has a significantly high recurrence rate even after intravesical therapy because traditional intravesical chemotherapeutic drugs have short retention time in the bladder and lack efficient uptake in BC cells. Pollen structure usually shows potent adhesion ability to tissue surfaces, different from traditional electronic interaction or covalent binding. 4-Carboxyphenylboric acid (CPBA) has high affinity to sialic acid residues that are overexpressed on BC cells. In the present study, hollow pollen silica (HPS) nanoparticles (NPs) were prepared and modified with CPBA to form CHPS NPs, which could be further loaded with pirarubicin (THP) to form THP@CHPS NPs. THP@CHPS NPs showed high adhesion to skin tissues and could be more efficiently internalized by a mouse bladder cancer cell line (MB49) than THP, inducing more significant apoptotic cells. After intravesical instillation into a BC mouse model through an indwelling catheter, THP@CHPS NPs could more significantly accumulate at the bladder than THP at 24 h post-instillation, and after 8 days of intravesical treatments, magnetic resonance imaging (MRI) revealed that the bladders treated with THP@CHPS NPs showed more smooth bladder lining and more reduction in size and weights than those with THP. Moreover, THP@CHPS NPs exhibited excellent biocompatibility. THP@CHPS NPs hold great potential for intravesical treatment of bladder cancer.
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Affiliation(s)
- Lulu Wang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
| | - Fan Qi
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, China.
- Department of Urology, The First Hospital of Jilin University, Changchun, 130022, Jilin, China.
| | - Luopeng Bi
- Department of Urology, The First Hospital of Jilin University, Changchun, 130022, Jilin, China.
| | - Jiao Yan
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, China.
| | - Xiaoqing Han
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, China.
| | - Yanjing Wang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
| | - Panpan Song
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
| | - Yanbo Wang
- Department of Urology, The First Hospital of Jilin University, Changchun, 130022, Jilin, China.
| | - Haiyuan Zhang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, Anhui, China
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5
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Li Q, Huo H, Wu Y, Chen L, Su L, Zhang X, Song J, Yang H. Design and Synthesis of SERS Materials for In Vivo Molecular Imaging and Biosensing. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2202051. [PMID: 36683237 PMCID: PMC10015885 DOI: 10.1002/advs.202202051] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 12/14/2022] [Indexed: 06/17/2023]
Abstract
Surface-enhanced Raman scattering (SERS) is a feasible and ultra-sensitive method for biomedical imaging and disease diagnosis. SERS is widely applied to in vivo imaging due to the development of functional nanoparticles encoded by Raman active molecules (SERS nanoprobes) and improvements in instruments. Herein, the recent developments in SERS active materials and their in vivo imaging and biosensing applications are overviewed. Various SERS substrates that have been successfully used for in vivo imaging are described. Then, the applications of SERS imaging in cancer detection and in vivo intraoperative guidance are summarized. The role of highly sensitive SERS biosensors in guiding the detection and prevention of diseases is discussed in detail. Moreover, its role in the identification and resection of microtumors and as a diagnostic and therapeutic platform is also reviewed. Finally, the progress and challenges associated with SERS active materials, equipment, and clinical translation are described. The present evidence suggests that SERS could be applied in clinical practice in the future.
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Affiliation(s)
- Qingqing Li
- MOE Key Laboratory for Analytical Science of Food Safety and BiologyCollege of ChemistryFuzhou UniversityFuzhou350108P. R. China
| | - Hongqi Huo
- Department of Nuclear MedicineHan Dan Central HospitalHandanHebei056001P. R. China
| | - Ying Wu
- MOE Key Laboratory for Analytical Science of Food Safety and BiologyCollege of ChemistryFuzhou UniversityFuzhou350108P. R. China
| | - Lanlan Chen
- MOE Key Laboratory for Analytical Science of Food Safety and BiologyCollege of ChemistryFuzhou UniversityFuzhou350108P. R. China
| | - Lichao Su
- MOE Key Laboratory for Analytical Science of Food Safety and BiologyCollege of ChemistryFuzhou UniversityFuzhou350108P. R. China
| | - Xuan Zhang
- MOE Key Laboratory for Analytical Science of Food Safety and BiologyCollege of ChemistryFuzhou UniversityFuzhou350108P. R. China
| | - Jibin Song
- MOE Key Laboratory for Analytical Science of Food Safety and BiologyCollege of ChemistryFuzhou UniversityFuzhou350108P. R. China
| | - Huanghao Yang
- MOE Key Laboratory for Analytical Science of Food Safety and BiologyCollege of ChemistryFuzhou UniversityFuzhou350108P. R. China
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Li G, Wu S, Chen W, Duan X, Sun X, Li S, Mai Z, Wu W, Zeng G, Liu H, Chen T. Designing Intelligent Nanomaterials to Achieve Highly Sensitive Diagnoses and Multimodality Therapy of Bladder Cancer. SMALL METHODS 2023; 7:e2201313. [PMID: 36599700 DOI: 10.1002/smtd.202201313] [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: 10/11/2022] [Revised: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Bladder cancer (BC) is among the most common malignant tumors of the genitourinary system worldwide. In recent years, the rate of BC incidence has increased, and the recurrence rate is high, resulting in poor quality of life for patients. Therefore, how to develop an effective method to achieve synchronous precise diagnoses and BC therapies is a difficult problem to solve clinically. Previous reports usually focus on the role of nanomaterials as drug delivery carriers, while a summary of the functional design and application of nanomaterials is lacking. Summarizing the application of functional nanomaterials in high-sensitivity diagnosis and multimodality therapy of BC is urgently needed. This review summarizes the application of nanotechnology in BC diagnosis, including the application of nanotechnology in the sensoring of BC biomarkers and their role in monitoring BC. In addition, conventional and combination therapies strategy in potential BC therapy are analyzed. Moreover, different kinds of nanomaterials in BC multimodal therapy according to pathological features of BC are also outlined. The goal of this review is to present an overview of the application of nanomaterials in the theranostics of BC to provide guidance for the application of functional nanomaterials to precisely diagnose and treat BC.
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Affiliation(s)
- Guanlin Li
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
| | - Sicheng Wu
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
| | - Wenzhe Chen
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
| | - Xiaolu Duan
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
| | - Xinyuan Sun
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
| | - Shujue Li
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
| | - Zanlin Mai
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
| | - Wenzheng Wu
- Department of Urology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, P. R. China
| | - Guohua Zeng
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
| | - Hongxing Liu
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510631, P. R. China
| | - Tianfeng Chen
- Department of Urology, Guangzhou Institute of Urology, Guangdong Key Laboratory of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510120, P. R. China
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, 510631, P. R. China
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7
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Tavakkoli Yaraki M, Tukova A, Wang Y. Emerging SERS biosensors for the analysis of cells and extracellular vesicles. NANOSCALE 2022; 14:15242-15268. [PMID: 36218172 DOI: 10.1039/d2nr03005e] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Cells and their derived extracellular vesicles (EVs) or exosomes contain unique molecular signatures that could be used as biomarkers for the detection of severe diseases such as cancer, as well as monitoring the treatment response. Revealing these molecular signatures requires developing non-invasive ultrasensitive tools to enable single molecule/cell-level detection using a small volume of sample with low signal-to-noise ratio background and multiplex capability. Surface-enhanced Raman scattering (SERS) can address the current limitations in studying cells and EVs through two main mechanisms: plasmon-enhanced electric field (the so-called electromagnetic mechanism (EM)), and chemical mechanism (CM). In this review, we first highlight these two SERS mechanisms and then discuss the nanomaterials that have been used to develop SERS biosensors based on each of the aforementioned mechanisms as well as the combination of these two mechanisms in order to take advantage of the synergic effect between electromagnetic enhancement and chemical enhancement. Then, we review the recent advances in designing label-aided and label-free SERS biosensors in both colloidal and planar systems to investigate the surface biomarkers on cancer cells and their derived EVs. Finally, we discuss perspectives of emerging SERS biosensors in future biomedical applications. We believe this review article will thus appeal to researchers in the field of nanobiotechnology including material sciences, biosensors, and biomedical fields.
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Affiliation(s)
- Mohammad Tavakkoli Yaraki
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, NSW 2109, Australia.
| | - Anastasiia Tukova
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, NSW 2109, Australia.
| | - Yuling Wang
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, NSW 2109, Australia.
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8
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Rethi L, Mutalik C, Anurogo D, Lu LS, Chu HY, Yougbaré S, Kuo TR, Cheng TM, Chen FL. Lipid-Based Nanomaterials for Drug Delivery Systems in Breast Cancer Therapy. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:2948. [PMID: 36079985 PMCID: PMC9458017 DOI: 10.3390/nano12172948] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/18/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Globally, breast cancer is one of the most prevalent diseases, inducing critical intimidation to human health. Lipid-based nanomaterials have been successfully demonstrated as drug carriers for breast cancer treatment. To date, the development of a better drug delivery system based on lipid nanomaterials is still urgent to make the treatment and diagnosis easily accessible to breast cancer patients. In a drug delivery system, lipid nanomaterials have revealed distinctive features, including high biocompatibility and efficient drug delivery. Specifically, a targeted drug delivery system based on lipid nanomaterials has inherited the advantage of optimum dosage and low side effects. In this review, insights on currently used potential lipid-based nanomaterials are collected and introduced. The review sheds light on conjugation, targeting, diagnosis, treatment, and clinical significance of lipid-based nanomaterials to treat breast cancer. Furthermore, a brighter side of lipid-based nanomaterials as future potential drug delivery systems for breast cancer therapy is discussed.
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Affiliation(s)
- Lekshmi Rethi
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
| | - Chinmaya Mutalik
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
| | - Dito Anurogo
- International Ph.D. Program for Cell Therapy and Regeneration Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan or
- Faculty of Medicine and Health Sciences, Universitas Muhammadiyah Makassar, Makassar City 90221, South Sulawesi, Indonesia
| | - Long-Sheng Lu
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- Department of Radiation Oncology, Taipei Medical University Hospital, Taipei Medical University, Taipei 11031, Taiwan
| | - Hsiu-Yi Chu
- Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan
| | - Sibidou Yougbaré
- Institut de Recherche en Sciences de la Santé/Direction Régionale du Centre Ouest (IRSS/DRCO), Nanoro BP 218, 11, Burkina Faso
| | - Tsung-Rong Kuo
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
| | - Tsai-Mu Cheng
- Graduate Institute of Translational Medicine, College of Medicine and Technology, Taipei Medical University, Taipei 11031, Taiwan
- Taipei Heart Institute, Taipei Medical University, Taipei 11031, Taiwan
| | - Fu-Lun Chen
- Department of Internal Medicine, Division of Infectious Diseases, Taipei Municipal Wan Fang Hospital, Taipei Medical University, Taipei 11031, Taiwan
- Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
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9
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Chin YC, Yang LX, Hsu FT, Hsu CW, Chang TW, Chen HY, Chen LYC, Chia ZC, Hung CH, Su WC, Chiu YC, Huang CC, Liao MY. Iron oxide@chlorophyll clustered nanoparticles eliminate bladder cancer by photodynamic immunotherapy-initiated ferroptosis and immunostimulation. J Nanobiotechnology 2022; 20:373. [PMID: 35953837 PMCID: PMC9367122 DOI: 10.1186/s12951-022-01575-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/23/2022] [Indexed: 12/28/2022] Open
Abstract
The escape of bladder cancer from immunosurveillance causes monotherapy to exhibit poor efficacy; therefore, designing a multifunctional nanoparticle that boosts programmed cell death and immunoactivation has potential as a treatment strategy. Herein, we developed a facile one-pot coprecipitation reaction to fabricate cluster-structured nanoparticles (CNPs) assembled from Fe3O4 and iron chlorophyll (Chl/Fe) photosensitizers. This nanoassembled CNP, as a multifunctional theranostic agent, could perform red-NIR fluorescence and change the redox balance by the photoinduction of reactive oxygen species (ROS) and attenuate iron-mediated lipid peroxidation by the induction of a Fenton-like reaction. The intravesical instillation of Fe3O4@Chl/Fe CNPs modified with 4-carboxyphenylboronic acid (CPBA) may target the BC wall through glycoproteins in the BC cavity, allowing local killing of cancer cells by photodynamic therapy (PDT)-induced singlet oxygen and causing chemodynamic therapy (CDT)-mediated ferroptosis. An interesting possibility is reprogramming of the tumor microenvironment from immunosuppressive to immunostimulatory after PDT-CDT treatment, which was demonstrated by the reduction of PD-L1 (lower “off” signal to the effector immune cells), IDO-1, TGF-β, and M2-like macrophages and the induction of CD8+ T cells on BC sections. Moreover, the intravesical instillation of Fe3O4@Chl/Fe CNPs may enhance the large-area distribution on the BC wall, improving antitumor efficacy and increasing survival rates from 0 to 91.7%. Our theranostic CNPs not only demonstrated combined PDT-CDT-induced cytotoxicity, ROS production, and ferroptosis to facilitate treatment efficacy but also opened up new horizons for eliminating the immunosuppressive effect by simultaneous PDT-CDT.
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Affiliation(s)
- Yu-Cheng Chin
- Department of Photonics, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Li-Xing Yang
- Department of Photonics, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Fei-Ting Hsu
- Department of Biological Science and Technology, China Medical University, Taichung, 406, Taiwan.
| | - Che-Wei Hsu
- Division of Urology, Department of Surgery, Taipei City Hospital Zhongxing Branch, Taipei, 103, Taiwan
| | - Te-Wei Chang
- Division of Urology, Department of Surgery, Taipei City Hospital Heping Fuyou Branch, Taipei, 100, Taiwan
| | - Hsi-Ying Chen
- Department of Applied Chemistry, National Pingtung University, Pingtung, 900, Taiwan
| | - Linda Yen-Chien Chen
- Nanofabrication Laboratory, Department of Electrical and Computer Engineering, University of Canterbury, Christchurch, New Zealand
| | - Zi Chun Chia
- Department of Photonics, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Chun-Hua Hung
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Wu-Chou Su
- Center of Applied Nanomedicine, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Yi-Chun Chiu
- Division of Urology, Department of Surgery, Taipei City Hospital Heping Fuyou Branch, Taipei, 100, Taiwan. .,Department of Urology, College of Medicine and Shu-Tien Urological Research Center, National Yang Ming Chiao Tung University, Taipei, 112, Taiwan. .,Department of Exercise and Health Sciences, University of Taipei, Taipei, 100, Taiwan.
| | - Chih-Chia Huang
- Department of Photonics, National Cheng Kung University, Tainan, 70101, Taiwan. .,Center of Applied Nanomedicine, National Cheng Kung University, Tainan, 70101, Taiwan. .,Core Facility Center, National Cheng Kung University, 70101, Tainan, Taiwan.
| | - Mei-Yi Liao
- Department of Applied Chemistry, National Pingtung University, Pingtung, 900, Taiwan.
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10
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Yang LX, Liu YC, Cho CH, Chen YR, Yang CS, Lu YL, Zhang Z, Tsai YT, Chin YC, Yu J, Pan HM, Jiang WR, Chia ZC, Huang WS, Chiu YL, Sun CK, Huang YT, Chen LM, Wong KT, Huang HM, Chen CH, Chang YJ, Huang CC, Liu TM. A universal strategy for the fabrication of single-photon and multiphoton NIR nanoparticles by loading organic dyes into water-soluble polymer nanosponges. J Nanobiotechnology 2022; 20:311. [PMID: 35794602 PMCID: PMC9258130 DOI: 10.1186/s12951-022-01515-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 06/18/2022] [Indexed: 11/10/2022] Open
Abstract
AbstractThe development of optical organic nanoparticles (NPs) is desirable and widely studied. However, most organic dyes are water-insoluble such that the derivatization and modification of these dyes are difficult. Herein, we demonstrated a simple platform for the fabrication of organic NPs designed with emissive properties by loading ten different organic dyes (molar masses of 479.1–1081.7 g/mol) into water-soluble polymer nanosponges composed of poly(styrene-alt-maleic acid) (PSMA). The result showed a substantial improvement over the loading of commercial dyes (3.7–50% loading) while preventing their spontaneous aggregation in aqueous solutions. This packaging strategy includes our newly synthesized organic dyes (> 85% loading) designed for OPVs (242), DSSCs (YI-1, YI-3, YI-8), and OLEDs (ADF-1–3, and DTDPTID) applications. These low-cytotoxicity organic NPs exhibited tunable fluorescence from visible to near-infrared (NIR) emission for cellular imaging and biological tracking in vivo. Moreover, PSMA NPs loaded with designed NIR-dyes were fabricated, and photodynamic therapy with these dye-loaded PSMA NPs for the photolysis of cancer cells was achieved when coupled with 808 nm laser excitation. Indeed, our work demonstrates a facile approach for increasing the biocompatibility and stability of organic dyes by loading them into water-soluble polymer-based carriers, providing a new perspective of organic optoelectronic materials in biomedical theranostic applications.
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11
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Liao MY, Huang TC, Chin YC, Cheng TY, Lin GM. Surfactant-Free Green Synthesis of Au@Chlorophyll Nanorods for NIR PDT-Elicited CDT in Bladder Cancer Therapy. ACS APPLIED BIO MATERIALS 2022; 5:2819-2833. [PMID: 35616917 DOI: 10.1021/acsabm.2c00228] [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: 01/14/2023]
Abstract
The facile and straightforward fabrication of NIR-responsive theranostic materials with high biocompatibility is still an unmet need for nanomedicine applications. Here, we used a natural photosensitizer, iron chlorophyll (Chl/Fe), for the J-aggregate template-assisted synthesis of Au@Chl/Fe nanorods with high stability. The assembly of a high amount of Chl/Fe J-aggregate onto the Au surface enabled red-NIR fluorescence for monitoring and tracking residential tumor lesions. The Chl/Fe moieties condensed on the nanorods could change the redox balance by the photon induction of reactive oxygen species and attenuate iron-mediated lipid peroxidation by inducing a Fenton-like reaction. After conjugation with carboxyphenylboronic acid (CPBA) to target the glycoprotein receptor on T24 bladder cancer (BC) cells, the enhanced delivery of Au@Chl/Fe-CPBA nanorods could induce over 85% cell death at extremely low concentrations of 0.16 ppm[Au] at 660 nm and 1.6 ppm[Au] at 785 nm. High lipid peroxidation, as shown by BODIPY staining and GSH depletion, was observed when treated T24 cells were exposed to laser irradiation, suggesting that preliminary photodynamic therapy (PDT) can revitalize Fenton-like reaction-mediated chemodynamic ferroptosis in T24 cells. We also manipulated the localized administration of Au@Chl-Fe combined with PDT at restricted regions in orthotopic tumor-bearing mice to cure malignant BC successfully without recurrence. By intravesical instillation of the Au@Chl/Fe-CPBA nanorods, this localized treatment could prevent the material from entering the systemic circulation, thus minimizing systemic toxicity. Upon activating NIR-PDT-elicited chemodynamic therapy, ultrasound imaging revealed almost complete tumor remission. Anti-tumor efficacy and survival benefit were achieved with a green photosensitizer.
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Affiliation(s)
- Mei-Yi Liao
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Tzu-Chi Huang
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Yu-Cheng Chin
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Ting-Yu Cheng
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Geng-Min Lin
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
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12
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Zacharovas E, Velička M, Platkevičius G, Čekauskas A, Želvys A, Niaura G, Šablinskas V. Toward a SERS Diagnostic Tool for Discrimination between Cancerous and Normal Bladder Tissues via Analysis of the Extracellular Fluid. ACS OMEGA 2022; 7:10539-10549. [PMID: 35382275 PMCID: PMC8973049 DOI: 10.1021/acsomega.2c00058] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 03/03/2022] [Indexed: 05/09/2023]
Abstract
Vibrational spectroscopy provides the possibility for sensitive and precise detection of chemical changes in biomolecules due to development of cancers. In this work, label-free near-infrared surface enhanced Raman spectroscopy (SERS) was applied for the differentiation between cancerous and normal human bladder tissues via analysis of the extracellular fluid of the tissue. Specific cancer-related SERS marker bands were identified by using a 1064 nm excitation wavelength. The prominent spectral marker band was found to be located near 1052 cm-1 and was assigned to the C-C, C-O, and C-N stretching vibrations of lactic acid and/or cysteine molecules. The correct identification of 80% of samples is achieved with even limited data set and could be further improved. The further development of such a detection method could be implemented in clinical practice for the aid of surgeons in determining of boundaries of malignant tumors during the surgery.
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Affiliation(s)
- Edvinas Zacharovas
- Institute
of Chemical Physics, Faculty of Physics, Vilnius University, Saulėtekis Avenue 3, LT-10257 Vilnius, Lithuania
| | - Martynas Velička
- Institute
of Chemical Physics, Faculty of Physics, Vilnius University, Saulėtekis Avenue 3, LT-10257 Vilnius, Lithuania
| | - Gediminas Platkevičius
- Clinic
of Gastroenterology, Nephrourology, and Surgery, Institute of Clinical
Medicine, Faculty of Medicine, Vilnius University, M.K. Čiurlionio st. 21/27, LT-03101 Vilnius, Lithuania
| | - Albertas Čekauskas
- Clinic
of Gastroenterology, Nephrourology, and Surgery, Institute of Clinical
Medicine, Faculty of Medicine, Vilnius University, M.K. Čiurlionio st. 21/27, LT-03101 Vilnius, Lithuania
| | - Aru̅nas Želvys
- Clinic
of Gastroenterology, Nephrourology, and Surgery, Institute of Clinical
Medicine, Faculty of Medicine, Vilnius University, M.K. Čiurlionio st. 21/27, LT-03101 Vilnius, Lithuania
| | - Gediminas Niaura
- Institute
of Chemical Physics, Faculty of Physics, Vilnius University, Saulėtekis Avenue 3, LT-10257 Vilnius, Lithuania
- Department
of Organic Chemistry, Center for Physical
Sciences and Technology (FTMC), Saulėtekis Avenue 3, LT 10257, Vilnius, Lithuania
| | - Valdas Šablinskas
- Institute
of Chemical Physics, Faculty of Physics, Vilnius University, Saulėtekis Avenue 3, LT-10257 Vilnius, Lithuania
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13
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Dulińska-Litewka J, Dykas K, Felkle D, Karnas K, Khachatryan G, Karewicz A. Hyaluronic Acid-Silver Nanocomposites and Their Biomedical Applications: A Review. MATERIALS (BASEL, SWITZERLAND) 2021; 15:234. [PMID: 35009380 PMCID: PMC8745796 DOI: 10.3390/ma15010234] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/21/2021] [Accepted: 12/24/2021] [Indexed: 12/31/2022]
Abstract
For the last years scientific community has witnessed a rapid development of novel types of biomaterials, which properties made them applicable in numerous fields of medicine. Although nanosilver, well-known for its antimicrobial, anti-angiogenic, anti-inflammatory and anticancer activities, as well as hyaluronic acid, a natural polysaccharide playing a vital role in the modulation of tissue repair, signal transduction, angiogenesis, cell motility and cancer metastasis, are both thoroughly described in the literature, their complexes are still a novel topic. In this review we introduce the most recent research about the synthesis, properties, and potential applications of HA-nanosilver composites. We also make an attempt to explain the variety of mechanisms involved in their action. Finally, we present biocompatible and biodegradable complexes with bactericidal activity and low cytotoxicity, which properties suggest their suitability for the prophylaxis and therapy of chronic wounds, as well as analgetic therapies, anticancer strategies and the detection of chemical substances and malignant cells. Cited studies reveal that the usage of hyaluronic acid-silver nanocomposites appears to be efficient and safe in clinical practice.
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Affiliation(s)
- Joanna Dulińska-Litewka
- Chair of Medical Biochemistry, Jagiellonian University Medical College, Mikołaja Kopernika Street 7C, 31-034 Krakow, Poland; (K.D.); (D.F.); (K.K.)
| | - Kacper Dykas
- Chair of Medical Biochemistry, Jagiellonian University Medical College, Mikołaja Kopernika Street 7C, 31-034 Krakow, Poland; (K.D.); (D.F.); (K.K.)
| | - Dominik Felkle
- Chair of Medical Biochemistry, Jagiellonian University Medical College, Mikołaja Kopernika Street 7C, 31-034 Krakow, Poland; (K.D.); (D.F.); (K.K.)
| | - Karolina Karnas
- Chair of Medical Biochemistry, Jagiellonian University Medical College, Mikołaja Kopernika Street 7C, 31-034 Krakow, Poland; (K.D.); (D.F.); (K.K.)
- Department of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Cracow, Poland;
| | - Gohar Khachatryan
- Faculty of Food Technology, University of Agriculture in Cracow, Balicka Street 122, 30-149 Krakow, Poland;
| | - Anna Karewicz
- Department of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Cracow, Poland;
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14
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Shen KH, Lu CH, Kuo CY, Li BY, Yeh YC. Smart near infrared-responsive nanocomposite hydrogels for therapeutics and diagnostics. J Mater Chem B 2021; 9:7100-7116. [PMID: 34212171 DOI: 10.1039/d1tb00980j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Nanocomposite (NC) hydrogels are emerging biomaterials that possess desirable and defined properties and functions for therapeutics and diagnostics. Particularly, nanoparticles (NPs) are employed as stimulus-transducers in NC hydrogels to facilitate the treatment process by providing controllable structural change and payload release under internal and external simulations. Among the various external stimuli, near-infrared (NIR) light has attracted considerable interest due to its minimal photo-damage, deep tissue penetration, low auto-fluorescence in living systems, facile on/off switch, easy remote and spatiotemporal control. In this study, we discuss four types of transducing nanomaterials used in NIR-responsive NC hydrogels, including metal-based nanoparticles, carbon-based nanomaterials, polydopamine nanoparticles (PDA NPs), and upconversion nanoparticles (UCNPs). This review provides an overview of the current progress in NIR-responsive NC hydrogels, focusing on their preparation, properties, applications, and future prospects.
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Affiliation(s)
- Ke-Han Shen
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
| | - Cheng-Hsun Lu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
| | - Chih-Yu Kuo
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
| | - Bo-Yan Li
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
| | - Yi-Cheun Yeh
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan.
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15
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Lee CW, Chia ZC, Hsieh YT, Tsai HC, Tai Y, Yu TT, Huang CC. A facile wet-chemistry approach to engineer an Au-based SERS substrate and enhance sensitivity down to ppb-level detection. NANOSCALE 2021; 13:3991-3999. [PMID: 33503079 DOI: 10.1039/d0nr06537d] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A two-dimensional flexible surface-enhanced Raman scattering (SERS) filter substrate provides an alternative strategy for the highly sensitive portable detection of various toxic molecules and biomaterials. Herein, we developed a solid-liquid interfacial reduction reaction to post-engineer a solid Au nanostructure surface on filter paper to improve the SERS effect. Among four reductants (ascorbic acid, l-dopamine, hydroquinone (HQ), and formaldehyde), HQ possessed a larger oxidation overpotential and facilitated homogeneous growth, forming small Au branch-structure nanoparticles from HAuCl4 solution. Due to the surface effect by exposing abundant -OH groups and intrinsic aromatic rings from TNA/HQ on nano-gold, the SERS effect on positively charged analytes near the plasmonic Au surface was enhanced, while forming a protective layer against severe water interruption. The resulting SERS substrate with branched nano-gold provided several SERS-enhanced sites, increased the enhancement by more than 6 times compared to original SERS sensing, and displayed a 1.4-7.4 × 105 analytical enhancement factor, which leads to a limit of detection down to several ppb. Less than 6% of deviation in the SERS intensity at different sensing sites was observed. We successfully improved the primary SERS substrate using a high overpotential reductant. Owing to its soft and flexible properties, the paper-based SERS substrate can be used conveniently in different sizes, pasting on curved materials, detecting additives in fish, and preventing the coffee-ring effect, showing high practicality and potential commercial value in the future.
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Affiliation(s)
- Chien-Wei Lee
- Department of Photonics, Center of Applied Nanomedicine, Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan70101, Taiwan.
| | - Zi Chun Chia
- Department of Photonics, Center of Applied Nanomedicine, Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan70101, Taiwan.
| | - Yi-Ting Hsieh
- Department of Chemistry, Soochow University, Taipei 11102, Taiwan
| | - Hsiao-Chieh Tsai
- Department of Chemistry, Soochow University, Taipei 11102, Taiwan
| | - Yenpo Tai
- Department of Resources Engineering, National Cheng Kung University, Tainan 70101, Taiwan
| | - Teng-To Yu
- Department of Resources Engineering, National Cheng Kung University, Tainan 70101, Taiwan
| | - Chih-Chia Huang
- Department of Photonics, Center of Applied Nanomedicine, Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan70101, Taiwan.
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16
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Peng X, Li D, Li Y, Xing H, Deng W. Plasmonic tunable Ag-coated gold nanorod arrays as reusable SERS substrates for multiplexed antibiotics detection. J Mater Chem B 2021; 9:1123-1130. [PMID: 33427845 DOI: 10.1039/d0tb02540b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Antibiotic contaminants in aqueous media pose a serious threat to human and ecological environments. Therefore, it is necessary to develop robust strategies to detect antibiotic residues. For this purpose, a self-assembly and in situ electrochemical reduction method is utilized to tailor silver nanoparticles (AgNPs)-coated GNRs (AgNPs/GNRs) large-scale vertical arrays. These AgNPs/GNRs arrays exhibit outstanding surface-enhanced Raman scattering (SERS) activities because of abundant Raman hot-spots among the adjacent AgNPs and GNRs, but also excellent stability and reproducibility due to the close-packed arrayed nanostructure. These remarkable features validate this arrayed substrate for high-sensitivity 4-aminothiophenol analysis with a detection limit of 0.35 pM and self-cleaning via electrochemical stripping of the adsorbed analytes and AgNPs from the GNRs arrays, therefore realizing renewable SERS applications. Moreover, the distinct SERS performance of AgNPs/GNRs arrays is verified via the analysis of multiplexed antibiotics at tens of picomolar level and no apparent changes of SERS activities are observed when recyclability is explored. The result demonstrates that the proposed AgNPs/GNRs arrays provide a novel strategy for avoiding conventional, disposable SERS substrates, as well as expanding SERS applications for simultaneous sensing and stripping of environmental contaminants.
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Affiliation(s)
- Xiaoya Peng
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China.
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17
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Lin T, Song YL, Liao J, Liu F, Zeng TT. Applications of surface-enhanced Raman spectroscopy in detection fields. Nanomedicine (Lond) 2020; 15:2971-2989. [PMID: 33140686 DOI: 10.2217/nnm-2020-0361] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a Raman spectroscopy technique that has been widely used in food safety, environmental monitoring, medical diagnosis and treatment and drug monitoring because of its high selectivity, sensitivity, rapidness, simplicity and specificity in identifying molecular structures. This review introduces the detection mechanism of SERS and summarizes the most recent progress concerning the use of SERS for the detection and characterization of molecules, providing references for the later research of SERS in detection fields.
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Affiliation(s)
- Ting Lin
- Department of Hematology, Institute of Hematology, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Ya-Li Song
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Juan Liao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Fang Liu
- Department of Laboratory Pathology, Xijing Hospital, Fourth Military Medical University, Xian, 710054, PR China
| | - Ting-Ting Zeng
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, PR China
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18
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Fang Y, Lin T, Zheng D, Zhu Y, Wang L, Fu Y, Wang H, Wu X, Zhang P. Rapid and label-free identification of different cancer types based on surface-enhanced Raman scattering profiles and multivariate statistical analysis. J Cell Biochem 2020; 122:277-289. [PMID: 33043480 DOI: 10.1002/jcb.29857] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 07/22/2020] [Accepted: 09/07/2020] [Indexed: 01/24/2023]
Abstract
Rapid detection and classification of cancer cells with label-free and non-destructive methods are helpful for rapid screening of cancer patients in clinical settings. Here, surface-enhanced Raman scattering (SERS) was used for rapid, unlabeled, and non-destructive detection of seven different cell types, including human cancer cells and non-tumorous cells. Au nanoparticles were used as enhanced substrates and directly added to cell surfaces. The single cellular SERS signals could be easily and stably collected in several minutes, and the cells maintained structural integrity over one hour. Different types of cells had unique Raman phenotypes. By applying multivariate statistical analysis to the Raman phenotypes, the cancer cells and non-tumorous cells were accurately identified. The high sensitivity enabled this method to discriminate subtle molecular changes in different cell types, and the accuracy reached 81.2% with principal components analysis and linear discriminant analysis. The technique provided a rapid, unlabeled, and non-destructive method for the detection and identification of various cancer types.
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Affiliation(s)
- Yaping Fang
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
| | - Taifeng Lin
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
| | - Dawei Zheng
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
| | - Yongwei Zhu
- Department of State-owned Assets and Laboratory Management, Beijing University of Technology, Beijing, China
| | - Limin Wang
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
| | - Yingying Fu
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
| | - Huiqin Wang
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
| | - Xihao Wu
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
| | - Ping Zhang
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
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19
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Tian Y, Wei H, Xu Y, Sun Q, Man B, Liu M. Influence of SERS Activity of SnSe 2 Nanosheets Doped with Sulfur. NANOMATERIALS 2020; 10:nano10101910. [PMID: 32987912 PMCID: PMC7600932 DOI: 10.3390/nano10101910] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/21/2020] [Accepted: 09/22/2020] [Indexed: 11/16/2022]
Abstract
The application of 2D semiconductor nanomaterials in the field of SERS is limited due to its weak enhancement effect and the unclear enhancement mechanism. In this study, we changed the surface morphology and energy level structure of 2D SnSe2 nanosheets using different amounts of S dopant. This caused the vibration coupling of the substrate and the adsorbed molecules and affects the SERS activities of the SnSe2 nanosheets. SERS performance of the 2D semiconductor substrate can effectively be improved by suitable doping, which can effectively break the limitation of 2D semiconductor compounds in SERS detection and will have very important significance in the fields of chemical, biological, and materials sciences. In this work, the intensities of SERS signals for R6G molecules on SnSe0.93S0.94 are 1.3 to 1.7 times stronger than those on pure SnSe2 substrate. It not only provides a new way to effectively improve the SERS activity of a semiconductor SERS substrates but also helps to design more efficient and stable semiconductor SERS substrates for practical application.
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Affiliation(s)
- Yuan Tian
- School of Physics and Electronics, Shandong Normal University, Jinan 250038, China; (Y.T.); (H.W.); (Y.X.); (Q.S.); (B.M.)
| | - Haonan Wei
- School of Physics and Electronics, Shandong Normal University, Jinan 250038, China; (Y.T.); (H.W.); (Y.X.); (Q.S.); (B.M.)
| | - Yujie Xu
- School of Physics and Electronics, Shandong Normal University, Jinan 250038, China; (Y.T.); (H.W.); (Y.X.); (Q.S.); (B.M.)
| | - Qianqian Sun
- School of Physics and Electronics, Shandong Normal University, Jinan 250038, China; (Y.T.); (H.W.); (Y.X.); (Q.S.); (B.M.)
| | - Baoyuan Man
- School of Physics and Electronics, Shandong Normal University, Jinan 250038, China; (Y.T.); (H.W.); (Y.X.); (Q.S.); (B.M.)
- Collaborative Innovation Center of Light Manipulations and Applications, Shandong Normal University, Jinan 250358, China
| | - Mei Liu
- School of Physics and Electronics, Shandong Normal University, Jinan 250038, China; (Y.T.); (H.W.); (Y.X.); (Q.S.); (B.M.)
- Collaborative Innovation Center of Light Manipulations and Applications, Shandong Normal University, Jinan 250358, China
- Correspondence:
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20
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Zhang H, Nie P, Xia Z, Feng X, Liu X, He Y. Rapid Quantitative Detection of Deltamethrin in Corydalis yanhusuo by SERS Coupled with Multi-Walled Carbon Nanotubes. Molecules 2020; 25:molecules25184081. [PMID: 32906783 PMCID: PMC7570915 DOI: 10.3390/molecules25184081] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/19/2020] [Accepted: 08/28/2020] [Indexed: 11/16/2022] Open
Abstract
With the increase in demand, artificially planting Chinese medicinal materials (CHMs) has also increased, and the ensuing pesticide residue problems have attracted more and more attention. An optimized quick, easy, cheap, effective, rugged and safe (QuEChERS) method with multi-walled carbon nanotubes as dispersive solid-phase extraction sorbents coupled with surface-enhanced Raman spectroscopy (SERS) was first proposed for the detection of deltamethrin in complex matrix Corydalis yanhusuo. Our results demonstrate that using the optimized QuEChERS method could effectively extract the analyte and reduce background interference from Corydalis. Facile synthesized gold nanoparticles with a large diameter of 75 nm had a strong SERS enhancement for deltamethrin determination. The best prediction model was established with partial least squares regression of the SERS spectra ranges of 545~573 cm−1 and 987~1011 cm−1 with a coefficient of determination (R2) of 0.9306, a detection limit of 0.484 mg/L and a residual predictive deviation of 3.046. In summary, this article provides a new rapid and effective method for the detection of pesticide residues in CHMs.
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Affiliation(s)
- Hui Zhang
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
| | - Pengcheng Nie
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
- West Electronic Business Company Limited, Yinchuan 750000, China
| | - Zhengyan Xia
- School of Medcine, Zhejiang University City College, Hangzhou 310015, China
- Correspondence: ; Tel.: +86-0571-8828-4325
| | - Xuping Feng
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
| | - Xiaoxi Liu
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
| | - Yong He
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
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21
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Huttanus HM, Vu T, Guruli G, Tracey A, Carswell W, Said N, Du P, Parkinson BG, Orlando G, Robertson JL, Senger RS. Raman chemometric urinalysis (Rametrix) as a screen for bladder cancer. PLoS One 2020; 15:e0237070. [PMID: 32822394 PMCID: PMC7446794 DOI: 10.1371/journal.pone.0237070] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 07/20/2020] [Indexed: 12/21/2022] Open
Abstract
Bladder cancer (BCA) is relatively common and potentially recurrent/progressive disease. It is also costly to detect, treat, and control. Definitive diagnosis is made by examination of urine sediment, imaging, direct visualization (cystoscopy), and invasive biopsy of suspect bladder lesions. There are currently no widely-used BCA-specific biomarker urine screening tests for early BCA or for following patients during/after therapy. Urine metabolomic screening for biomarkers is costly and generally unavailable for clinical use. In response, we developed Raman spectroscopy-based chemometric urinalysis (Rametrix™) as a direct liquid urine screening method for detecting complex molecular signatures in urine associated with BCA and other genitourinary tract pathologies. In particular, the RametrixTM screen used principal components (PCs) of urine Raman spectra to build discriminant analysis models that indicate the presence/absence of disease. The number of PCs included was varied, and all models were cross-validated by leave-one-out analysis. In Study 1 reported here, we tested the Rametrix™ screen using urine specimens from 56 consented patients from a urology clinic. This proof-of-concept study contained 17 urine specimens with active BCA (BCA-positive), 32 urine specimens from patients with other genitourinary tract pathologies, seven specimens from healthy patients, and the urinalysis control SurineTM. Using a model built with 22 PCs, BCA was detected with 80.4% accuracy, 82.4% sensitivity, 79.5% specificity, 63.6% positive predictive value (PPV), and 91.2% negative predictive value (NPV). Based on the number of PCs included, we found the RametrixTM screen could be fine-tuned for either high sensitivity or specificity. In other studies reported here, RametrixTM was also able to differentiate between urine specimens from patients with BCA and other genitourinary pathologies and those obtained from patients with end-stage kidney disease (ESKD). While larger studies are needed to improve RametrixTM models and demonstrate clinical relevance, this study demonstrates the ability of the RametrixTM screen to differentiate urine of BCA-positive patients. Molecular signature variances in the urine metabolome of BCA patients included changes in: phosphatidylinositol, nucleic acids, protein (particularly collagen), aromatic amino acids, and carotenoids.
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Affiliation(s)
- Herbert M. Huttanus
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, Virginia, United States of America
| | - Tommy Vu
- Department of Chemical Engineering, Virginia Tech, Blacksburg, Virginia, United States of America
| | - Georgi Guruli
- Department of Surgery–Urology, Virginia Commonwealth University, Richmond, Virginia, United States of America
| | - Andrew Tracey
- Department of Surgery–Urology, Virginia Commonwealth University, Richmond, Virginia, United States of America
| | - William Carswell
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, Virginia, United States of America
| | - Neveen Said
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, North Carolina, United States of America
| | - Pang Du
- Department of Statistics, Virginia Tech, Blacksburg, Virginia, United States of America
| | - Bing G. Parkinson
- Internal Medicine, Lewis-Gale Medical Center, Salem, Virginia, United States of America
| | - Giuseppe Orlando
- Department of Surgical Sciences–Transplant, Wake Forest University Baptist Medical Center, Winston-Salem, North Carolina, United States of America
| | - John L. Robertson
- DialySensors Inc., Blacksburg, Virginia, United States of America
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, United States of America
| | - Ryan S. Senger
- Department of Chemical Engineering, Virginia Tech, Blacksburg, Virginia, United States of America
- DialySensors Inc., Blacksburg, Virginia, United States of America
- * E-mail:
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22
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Hsu CW, Cheng NC, Liao MY, Cheng TY, Chiu YC. Development of Folic Acid-Conjugated and Methylene Blue-Adsorbed Au@TNA Nanoparticles for Enhanced Photodynamic Therapy of Bladder Cancer Cells. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1351. [PMID: 32664275 PMCID: PMC7407911 DOI: 10.3390/nano10071351] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 07/08/2020] [Accepted: 07/08/2020] [Indexed: 01/23/2023]
Abstract
Photodynamic therapy (PDT) is a promising treatment for malignancy. However, the low molecular solubility of photosensitizers (PSs) with a low accumulation at borderline malignant potential lesions results in the tardy and ineffective management of recurrent urothelial carcinoma. Herein, we used tannic acid (TNA), a green precursor, to reduce HAuCl4 in order to generate Au@TNA core-shell nanoparticles. The photosensitizer methylene blue (MB) was subsequently adsorbed onto the surface of the Au@TNA nanoparticles, leading to the incorporation of a PS within the organic shell of the Au nanoparticle nanosupport, denoted as Au@TNA@MB nanoparticles (NPs). By modifying the surface of the Au@TNA@MB NPs with the ligand folate acid (FA) using NH2-PEG-NH2 as a linker, we demonstrated that the targeted delivery strategy achieved a high accumulation of PSs in cancer cells. The cell viability of T24 cells decreased to 87.1%, 57.1%, and 26.6% upon treatment with 10 ppm[Au] Au@TNA/MB NPs after 45 min, 2 h, and 4 h of incubation, respectively. We also applied the same targeted PDT treatment to normal urothelial SV-HUC-1 cells and observed minor phototoxicity, indicating that this safe photomedicine shows promise for applications aiming to achieve the local depletion of cancer sites without side effects.
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Affiliation(s)
- Che-Wei Hsu
- Division of Urology, Department of Surgery, Taipei City Hospital Zhongxiao Branch, Taipei 115, Taiwan;
| | - Nai-Chi Cheng
- Department of Applied Chemistry, National University of Kaohsiung, Kaohsiung 811, Taiwan;
| | - Mei-Yi Liao
- Department of Applied Chemistry, National Pingtung University, Pingtung 900, Taiwan; (M.-Y.L.); (T.-Y.C.)
| | - Ting-Yu Cheng
- Department of Applied Chemistry, National Pingtung University, Pingtung 900, Taiwan; (M.-Y.L.); (T.-Y.C.)
| | - Yi-Chun Chiu
- Division of Urology, Department of Surgery, Taipei City Hospital Heping Fuyou Branch, Taipei 100, Taiwan
- Department of Exercise and Health Sciences, University of Taipei, Taipei 100, Taiwan
- Department of Urology, School of Medicine, National Yang-Ming University, Taipei 112, Taiwan
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23
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Wang J, Qi G, Qu X, Ling X, Zhang Z, Jin Y. Molecular Profiling of Dental Pulp Stem Cells during Cell Differentiation by Surface Enhanced Raman Spectroscopy. Anal Chem 2020; 92:3735-3741. [PMID: 32011124 DOI: 10.1021/acs.analchem.9b05026] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Dental pulp stem cells (DPSCs) are considered one of the key cells in tooth regeneration engineering. Understanding molecular biological information on DPSCs during differentiation is of great significance for the construction of tissue-engineered teeth. In this study, we investigated the differentiation process of DPSCs stimulated by drugs and gained molecular insights in the process. By using label-free and noninvasive surface enhanced Raman spectroscopy (SERS) to monitor molecular change profiling in the cell nucleus of single DPSCs during the differentiation process, we found that two pivotal differentiation biomarkers, alkaline phosphatase (ALP) and dentin sialophosphoprotein (DSPP), were overexpressed during the process. Continuous and intermittent monitoring of SERS spectra from the nuclear region indicated that the expression of proteins and related amino acids of tryptophan were markedly increased until peak period of differentiation (on day 14). Meanwhile corresponding transformation of DNA/RNA backbone vibrational modes was also observed during the differentiation process, indicating the occurrence of replication or transcription of DNA. The method provides a useful tool for the molecular biology studies of DPSCs differentiation, and the finding will broaden our understanding of DPSCs differentiation.
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Affiliation(s)
- Jiafeng Wang
- Department of Endodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, Jilin P.R. China.,State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin P. R. China
| | - Guohua Qi
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Xiaozhang Qu
- Department of Endocrinology, The Second Part of the First Hospital, Jilin University, Changchun, 130021, Jilin P. R. China
| | - Xiaoxu Ling
- Department of Endodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, Jilin P.R. China
| | - Zhimin Zhang
- Department of Endodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, Jilin P.R. China
| | - Yongdong Jin
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China.,University of Science and Technology of China, Hefei 230026, P. R. China
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24
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Belhout SA, Baptista FR, Devereux SJ, Parker AW, Ward AD, Quinn SJ. Preparation of polymer gold nanoparticle composites with tunable plasmon coupling and their application as SERS substrates. NANOSCALE 2019; 11:19884-19894. [PMID: 31599311 DOI: 10.1039/c9nr05014k] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The controlled surface functionalisation of polystyrene beads (200 nm) with a lipoic acid derivative is used to assemble composites with between 4 to 20% loadings of citrate stabilised gold nanoparticles (13 nm-30 nm), which exhibit variable optical properties arising from interactions of the nanoparticle surface plasmon resonance (SPR). The decrease in average interparticle distance at higher loadings results in a red-shift in the SPR wavelength, which is well described by a universal ruler equation. The composite particles are shown to act as good SERS substrates for the standard analyte 4-mercaptophenol. The direct assessment of the SERS activity for individual composite particles solution is achieved by Raman optical tweezer measurements on 5.3 μm composite particles. These measurements show an increase in performance with increasing AuNP size. Importantly, the SERS activity of the individual particles compares well with the bulk measurements of samples deposited on a surface, indicating that the SERS activity arises primarily from the composite and not due to composite-composite interactions. In both studies the optimum SERS response is obtained with 30 nm AuNPs.
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Affiliation(s)
- Samir A Belhout
- School of Chemistry, University College Dublin, Dublin 4, Republic of Ireland
| | | | - Stephen J Devereux
- School of Chemistry, University College Dublin, Dublin 4, Republic of Ireland
| | - Anthony W Parker
- Central Laser Facility, Research Complex at Harwell, STFC Rutherford Appleton Laboratory, Harwell Oxford, Didcot, Oxfordshire, OX11 0FA, UK.
| | - Andrew D Ward
- Central Laser Facility, Research Complex at Harwell, STFC Rutherford Appleton Laboratory, Harwell Oxford, Didcot, Oxfordshire, OX11 0FA, UK.
| | - Susan J Quinn
- School of Chemistry, University College Dublin, Dublin 4, Republic of Ireland
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25
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Nowicka AB, Czaplicka M, Kowalska AA, Szymborski T, Kamińska A. Flexible PET/ITO/Ag SERS Platform for Label-Free Detection of Pesticides. BIOSENSORS 2019; 9:E111. [PMID: 31546934 PMCID: PMC6784364 DOI: 10.3390/bios9030111] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 09/14/2019] [Accepted: 09/17/2019] [Indexed: 11/29/2022]
Abstract
We show a new type of elastic surface-enhanced Raman spectroscopy (SERS) platform made of poly(ethylene terephthalate) (PET) covered with a layer of indium tin oxide (ITO). This composite is subjected to dielectric barrier discharge (DBD) that develops the active surface of the PET/ITO foil. To enhance the Raman signal, a modified composite was covered with a thin layer of silver using the physical vapor deposition (PVD) technique. The SERS platform was used for measurements of para-mercaptobenzoic acid (p-MBA) and popular pesticides, i.e., Thiram and Carbaryl. The detection and identification of pesticides on the surface of fruits and vegetables is a crucial issue due to extensive use of those chemical substances for plant fungicide and insecticide protection. Therefore, the developed PET/ITO/Ag SERS platform was dedicated to quantitative analysis of selected pesticides, i.e., Thiram and Carbaryl from fruits. The presented SERS platform exhibits excellent enhancement and reproducibility of the Raman signal, which enables the trace analysis of these pesticides in the range up to their maximum residues limit. Based on the constructed calibration curves, the pesticide concentrations from the skin of apples was estimated as 2.5 µg/mL and 0.012 µg/mL for Thiram and Carbaryl, respectively. Additionally, the PET/ITO/Ag SERS platform satisfies other spectroscopic properties required for trace pesticide analysis e.g., ease, cost-effective method of preparation, and specially designed physical properties, especially flexibility and transparency, that broaden the sampling versatility to irregular surfaces.
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Affiliation(s)
- Ariadna B Nowicka
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Marta Czaplicka
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Aneta A Kowalska
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Tomasz Szymborski
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Agnieszka Kamińska
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
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