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Zhu CZ, Ting HN, Ng KH, Mun KS, Ong TA. Dielectric properties of urine in relation to bladder cancer. Phys Eng Sci Med 2024; 47:61-71. [PMID: 37843766 DOI: 10.1007/s13246-023-01341-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 09/17/2023] [Indexed: 10/17/2023]
Abstract
Many studies have investigated the dielectric properties of human and animal tissues, particularly to differentiate between normal cells and tumors. However, these studies are invasive as tissue samples have to be excised to measure the properties. This study aims to investigate the dielectric properties of urine in relation to bladder cancer, which is safe and non-invasive to patients. 30 healthy subjects and 30 bladder cancer patients were recruited. Their urine samples were subjected to urinalysis and cytology assessment. A vector network analyzer was used to measure the dielectric constant (Ɛ') and loss factor (Ɛ″) at microwave frequencies of between 0.2 and 50 GHz at 25 °C, 30 °C and 37 °C. Significant differences in Ɛ' and Ɛ″ were observed between healthy subjects and patients, especially at frequencies of between 25 and 40 GHz at 25 °C. Bladder cancer patients had significant lower Ɛ' and higher Ɛ″ compared with healthy subjects. The Ɛ' was negatively correlated with urinary exfoliated urothelial cell number, and Ɛ″ was positively correlated. The study achieved a receiver operating characteristic area under curve (ROC-AUC) score of 0.69099 and an optimum accuracy of 75% with a sensitivity of 80% and a specificity of 70%. The number of exfoliated urothelial cell had significant effect on the dielectric properties, especially in bladder cancer patients. Urinary dielectric properties could potentially be used as a tool to detect bladder cancer.
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Affiliation(s)
- Chao-Zhe Zhu
- School of Medical Engineering, Jining Medical University, Jining, Shandong, China
| | - Hua-Nong Ting
- School of Medical Engineering, Jining Medical University, Jining, Shandong, China.
- Department of Biomedical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur, Malaysia.
| | - Kwan-Hoong Ng
- Department of Biomedical Imaging, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
- Faculty of Medicine and Health Science, UCSI University, Springhill, Negri Sembilan, Malaysia
| | - Kein-Seong Mun
- Department of Pathology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Teng-Aik Ong
- Department of Surgery, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
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Musso N, Romano A, Bonacci PG, Scandura G, Pandino C, Camarda M, Russo GI, Di Raimondo F, Cacciola E, Cacciola R. Label-Free Enrichment of Circulating Tumor Plasma Cells: Future Potential Applications of Dielectrophoresis in Multiple Myeloma. Int J Mol Sci 2022; 23:ijms231912052. [PMID: 36233350 PMCID: PMC9569623 DOI: 10.3390/ijms231912052] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/23/2022] [Accepted: 09/28/2022] [Indexed: 12/05/2022] Open
Abstract
In multiple myeloma (MM), circulating tumor plasma cells (CTPCs) are an emerging prognostic factor, offering a promising and minimally invasive means for longitudinal patient monitoring. Recent advances highlight the complex biology of plasma cell trafficking, highlighting the phenotypic and genetic signatures of intra- and extra-medullary MM onset, making CTPC enumeration and characterization a new frontier of precision medicine for MM patients, requiring novel technological platforms for their standardized and harmonized detection. Dielectrophoresis (DEP) is an emerging label-free cell manipulation technique to separate cancer cells from healthy cells in peripheral blood samples, based on phenotype and membrane capacitance that could be successfully tested to enumerate and isolate CTPCs. Herein, we summarize preclinical data on DEP development for CTPC detection, as well as their clinical and research potential.
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Affiliation(s)
- Nicolò Musso
- Department of Biomedical and Biotechnological Sciences (BIOMETEC), University of Catania, 95125 Catania, Italy
- StLab SRL, 95126 Catania, Italy
| | - Alessandra Romano
- Department of General Surgery and Surgical Medical Specialties, University of Catania, 95125 Catania, Italy
- Correspondence: ; Tel.: +39-095-378-2971
| | - Paolo Giuseppe Bonacci
- Department of Biomedical and Biotechnological Sciences (BIOMETEC), University of Catania, 95125 Catania, Italy
| | - Grazia Scandura
- Department of General Surgery and Surgical Medical Specialties, University of Catania, 95125 Catania, Italy
| | - Clarissa Pandino
- Department of General Surgery and Surgical Medical Specialties, University of Catania, 95125 Catania, Italy
| | | | - Giorgio Ivan Russo
- Urology Section, University of Catania, Via S. Sofia 78, 95125 Catania, Italy
| | - Francesco Di Raimondo
- Department of General Surgery and Surgical Medical Specialties, University of Catania, 95125 Catania, Italy
| | - Emma Cacciola
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy
- Hemostasis/Hematology Unit, A.O.U. Policlinico “G. Rodolico-San Marco”, 95123 Catania, Italy
| | - Rossella Cacciola
- Hemostasis/Hematology Unit, A.O.U. Policlinico “G. Rodolico-San Marco”, 95123 Catania, Italy
- Department of Clinical and Experimental Medicine, University of Catania, 95123 Catania, Italy
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Russo GI, Musso N, Romano A, Caruso G, Petralia S, Lanzanò L, Broggi G, Camarda M. The Role of Dielectrophoresis for Cancer Diagnosis and Prognosis. Cancers (Basel) 2021; 14:198. [PMID: 35008359 PMCID: PMC8750463 DOI: 10.3390/cancers14010198] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/27/2021] [Accepted: 12/30/2021] [Indexed: 12/17/2022] Open
Abstract
Liquid biopsy is emerging as a potential diagnostic tool for prostate cancer (PC) prognosis and diagnosis. Unfortunately, most circulating tumor cells (CTC) technologies, such as AdnaTest or Cellsearch®, critically rely on the epithelial cell adhesion molecule (EpCAM) marker, limiting the possibility of detecting cancer stem-like cells (CSCs) and mesenchymal-like cells (EMT-CTCs) that are present during PC progression. In this context, dielectrophoresis (DEP) is an epCAM independent, label-free enrichment system that separates rare cells simply on the basis of their specific electrical properties. As compared to other technologies, DEP may represent a superior technique in terms of running costs, cell yield and specificity. However, because of its higher complexity, it still requires further technical as well as clinical development. DEP can be improved by the use of microfluid, nanostructured materials and fluoro-imaging to increase its potential applications. In the context of cancer, the usefulness of DEP lies in its capacity to detect CTCs in the bloodstream in their epithelial, mesenchymal, or epithelial-mesenchymal phenotype forms, which should be taken into account when choosing CTC enrichment and analysis methods for PC prognosis and diagnosis.
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Affiliation(s)
| | - Nicolò Musso
- Department of Biomedical and Biotechnological Science (BIOMETEC), University of Catania, 95123 Catania, Italy
- STLab s.r.l., Via Anapo 53, 95126 Catania, Italy;
| | - Alessandra Romano
- Haematological Section, University of Catania, 95125 Catania, Italy;
| | - Giuseppe Caruso
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy; (G.C.); (S.P.)
| | - Salvatore Petralia
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy; (G.C.); (S.P.)
| | - Luca Lanzanò
- Department of Physics and Astronomy “Ettore Majorana”, University of Catania, 95123 Catania, Italy;
| | - Giuseppe Broggi
- Pathology Section, Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy;
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Weber RE, Petkowski JJ, Michaels B, Wisniewski K, Piela A, Antoszczyk S, Weber MU. Fluid-Screen as a real time dielectrophoretic method for universal microbial capture. Sci Rep 2021; 11:22222. [PMID: 34782647 DOI: 10.1038/s41598-021-01600-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 10/20/2021] [Indexed: 12/11/2022] Open
Abstract
Bacterial culture methods, e.g. Plate Counting Method (PCM), are a gold standard in the assessment of microbial contamination in multitude of human industries. They are however slow, labor intensive, and prone to manual errors. Dielectrophoresis (DEP) has shown great promise for particle separation for decades; however, it has not yet been widely applied in routine laboratory setting. This paper provides an overview of a new DEP microbial capture and separation method called Fluid-Screen (FS), that achieves very fast, efficient, reliable and repeatable capture and separation of microbial cells. Method verification experiments demonstrated that the FS system captured 100% of bacteria in test samples, a capture efficiency much higher than previously reported for similar technology. Data generated supports the superiority of the FS method as compared to the established Plate Counting Method (PCM), that is routinely used to detect bacterial contamination in healthcare, pharmacological and food industries. We demonstrate that the FS method is universal and can capture and separate different species of bacteria and fungi to viruses, from various sample matrices (i.e. human red blood cells, mammalian cells).
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Li Y, Wang Y, Wan K, Wu M, Guo L, Liu X, Wei G. On the design, functions, and biomedical applications of high-throughput dielectrophoretic micro-/nanoplatforms: a review. Nanoscale 2021; 13:4330-4358. [PMID: 33620368 DOI: 10.1039/d0nr08892g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
As an efficient, rapid and label-free micro-/nanoparticle separation technique, dielectrophoresis (DEP) has attracted widespread attention in recent years, especially in the field of biomedicine, which exhibits huge potential in biomedically relevant applications such as disease diagnosis, cancer cell screening, biosensing, and others. DEP technology has been greatly developed recently from the low-flux laboratory level to high-throughput practical applications. In this review, we summarize the recent progress of DEP technology in biomedical applications, including firstly the design of various types and materials of DEP electrode and flow channel, design of input signals, and other improved designs. Then, functional tailoring of DEP systems with endowed specific functions including separation, purification, capture, enrichment and connection of biosamples, as well as the integration of multifunctions, are demonstrated. After that, representative DEP biomedical application examples in aspects of disease detection, drug synthesis and screening, biosensing and cell positioning are presented. Finally, limitations of existing DEP platforms on biomedical application are discussed, in which emphasis is given to the impact of other electrodynamic effects such as electrophoresis (EP), electroosmosis (EO) and electrothermal (ET) effects on DEP efficiency. This article aims to provide new ideas for the design of novel DEP micro-/nanoplatforms with desirable high throughput toward application in the biomedical community.
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Affiliation(s)
- Yalin Li
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China.
| | - Yan Wang
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China.
| | - Keming Wan
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China.
| | - Mingxue Wu
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China.
| | - Lei Guo
- Research Center for High-Value Utilization of Waste Biomass, College of Life Science, College of Life Science, Qingdao University, 266071 Qingdao, PR China
| | - Xiaomin Liu
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China.
| | - Gang Wei
- College of Chemistry and Chemical Engineering, Qingdao University, 266071 Qingdao, PR China.
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