1
|
Zhao X, Zhai L, Chen J, Zhou Y, Gao J, Xu W, Li X, Liu K, Zhong T, Xiao Y, Yu X. Recent Advances in Microfluidics for the Early Detection of Plant Diseases in Vegetables, Fruits, and Grains Caused by Bacteria, Fungi, and Viruses. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38875493 DOI: 10.1021/acs.jafc.4c00454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2024]
Abstract
In the context of global population growth expected in the future, enhancing the agri-food yield is crucial. Plant diseases significantly impact crop production and food security. Modern microfluidics offers a compact and convenient approach for detecting these defects. Although this field is still in its infancy and few comprehensive reviews have explored this topic, practical research has great potential. This paper reviews the principles, materials, and applications of microfluidic technology for detecting plant diseases caused by various pathogens. Its performance in realizing the separation, enrichment, and detection of different pathogens is discussed in depth to shed light on its prospects. With its versatile design, microfluidics has been developed for rapid, sensitive, and low-cost monitoring of plant diseases. Incorporating modules for separation, preconcentration, amplification, and detection enables the early detection of trace amounts of pathogens, enhancing crop security. Coupling with imaging systems, smart and digital devices are increasingly being reported as advanced solutions.
Collapse
Affiliation(s)
- Xiaohan Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao 999078, People's Republic of China
| | - Lingzi Zhai
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
- Department of Food Science & Technology, National University of Singapore, Science Drive 2, Singapore 117542, Singapore
| | - Jingwen Chen
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
- Wageningen University & Research, Wageningen 6708 WG, The Netherlands
| | - Yongzhi Zhou
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Jiuhe Gao
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Wenxiao Xu
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Xiaowei Li
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Kaixu Liu
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Tian Zhong
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Ying Xiao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao 999078, People's Republic of China
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Xi Yu
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| |
Collapse
|
2
|
Lu Z, Yuan Y, Han Q, Wang Y, Liang Q. Lab-on-a-chip: an advanced technology for the modernization of traditional Chinese medicine. Chin Med 2024; 19:80. [PMID: 38853247 PMCID: PMC11163804 DOI: 10.1186/s13020-024-00956-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 06/01/2024] [Indexed: 06/11/2024] Open
Abstract
Benefiting from the complex system composed of various constituents, medicament portions, species, and places of origin, traditional Chinese medicine (TCM) possesses numerous customizable and adaptable efficacies in clinical practice guided by its theories. However, these unique features are also present challenges in areas such as quality control, screening active ingredients, studying cell and organ pharmacology, and characterizing the compatibility between different Chinese medicines. Drawing inspiration from the holistic concept, an integrated strategy and pattern more aligned with TCM research emerges, necessitating the integration of novel technology into TCM modernization. The microfluidic chip serves as a powerful platform for integrating technologies in chemistry, biology, and biophysics. Microfluidics has given rise to innovative patterns like lab-on-a-chip and organoids-on-a-chip, effectively challenging the conventional research paradigms of TCM. This review provides a systematic summary of the nature and advanced utilization of microfluidic chips in TCM, focusing on quality control, active ingredient screening/separation, pharmaceutical analysis, and pharmacological/toxicological assays. Drawing on these remarkable references, the challenges, opportunities, and future trends of microfluidic chips in TCM are also comprehensively discussed, providing valuable insights into the development of TCM.
Collapse
Affiliation(s)
- Zenghui Lu
- Institute of Traditional Chinese Medicine-X, State Administration of Traditional Chinese Medicine Third-Level Laboratory of Traditional Chinese Medicine Chemistry, Modern Research Center for Traditional Chinese Medicine, Tsinghua University, Beijing, 100084, China
| | - Yue Yuan
- Beijing Key Laboratory of TCM Pharmacology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100730, China
| | - Qiang Han
- Institute of Traditional Chinese Medicine-X, State Administration of Traditional Chinese Medicine Third-Level Laboratory of Traditional Chinese Medicine Chemistry, Modern Research Center for Traditional Chinese Medicine, Tsinghua University, Beijing, 100084, China
| | - Yu Wang
- Institute of Traditional Chinese Medicine-X, State Administration of Traditional Chinese Medicine Third-Level Laboratory of Traditional Chinese Medicine Chemistry, Modern Research Center for Traditional Chinese Medicine, Tsinghua University, Beijing, 100084, China
| | - Qionglin Liang
- Institute of Traditional Chinese Medicine-X, State Administration of Traditional Chinese Medicine Third-Level Laboratory of Traditional Chinese Medicine Chemistry, Modern Research Center for Traditional Chinese Medicine, Tsinghua University, Beijing, 100084, China.
| |
Collapse
|
3
|
He C, Yao J, Yang C, Wang J, Sun B, Liao G, Shi T, Liu Z. Irreversible Bonding of Polydimethylsiloxane-Lithium Niobate using Oxygen Plasma Modification for Surface Acoustic Wave based Microfluidic Application: Theory and Experiment. SMALL METHODS 2024; 8:e2301321. [PMID: 38054603 DOI: 10.1002/smtd.202301321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/15/2023] [Indexed: 12/07/2023]
Abstract
Acoustic microfluidic chips, fabricated by combining lithium niobate (LiNbO3) with polydimethylsiloxane (PDMS), practically find applications in biomedicine. However, high-strength direct bonding of LiNbO3 substrate with PDMS microchannel remains a challenge due to the large mismatching of thermal expansion coefficient at the interface and the lack of bonding theory. This paper elaborately reveals the bonding mechanisms of PDMS and LiNbO3, demonstrating an irreversible bonding method for PDMS-LiNbO3 heterostructures using oxygen plasma modification. An in-situ monitoring strategy by using resonant devices is proposed for oxygen plasma, including quartz crystal microbalance (QCM) covered with PDMS and surface acoustic wave (SAW) fabricated by LiNbO3. When oxygen plasma exposure occurs, surfaces are cleaned, oxygen ions are implanted, and hydroxyl groups (-OH) are formed. Upon interfaces bonding, the interface will form niobium-oxygen-silicon covalent bonds to realize an irreversible connection. A champion bonding strength is obtained of 1.1 MPa, and the PDMS-LiNbO3 acoustic microfluidic chip excels in leakage tests, withstanding pressures exceeding 60 psi, outperforming many previously reported devices. This work addresses the gap in PDMS-LiNbO3 bonding theory and advances its practical application in the acoustic microfluidic field.
Collapse
Affiliation(s)
- Chunhua He
- State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Jinhui Yao
- State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Canfeng Yang
- State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Jianxin Wang
- State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Bo Sun
- School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Guanglan Liao
- State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Tielin Shi
- State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Zhiyong Liu
- State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| |
Collapse
|
4
|
Mohammadi M, Ahmed Qadir S, Mahmood Faraj A, Hamid Shareef O, Mahmoodi H, Mahmoudi F, Moradi S. Navigating the future: Microfluidics charting new routes in drug delivery. Int J Pharm 2024:124142. [PMID: 38648941 DOI: 10.1016/j.ijpharm.2024.124142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 03/30/2024] [Accepted: 04/18/2024] [Indexed: 04/25/2024]
Abstract
Microfluidics has emerged as a transformative force in the field of drug delivery, offering innovative avenues to produce a diverse range of nano drug delivery systems. Thanks to its precise manipulation of small fluid volumes and its exceptional command over the physicochemical characteristics of nanoparticles, this technology is notably able to enhance the pharmacokinetics of drugs. It has initiated a revolutionary phase in the domain of drug delivery, presenting a multitude of compelling advantages when it comes to developing nanocarriers tailored for the delivery of poorly soluble medications. These advantages represent a substantial departure from conventional drug delivery methodologies, marking a paradigm shift in pharmaceutical research and development. Furthermore, microfluidic platformsmay be strategically devised to facilitate targeted drug delivery with the objective of enhancing the localized bioavailability of pharmaceutical substances. In this paper, we have comprehensively investigated a range of significant microfluidic techniques used in the production of nanoscale drug delivery systems. This comprehensive review can serve as a valuable reference and offer insightful guidance for the development and optimization of numerous microfluidics-fabricated nanocarriers.
Collapse
Affiliation(s)
- Mohammad Mohammadi
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Syamand Ahmed Qadir
- Department of Medical Laboratory Techniques, Halabja Technical Institute, Research Center, Sulaimani Polytechnic University, Sulaymaniyah, Iraq
| | - Aryan Mahmood Faraj
- Department of Medical Laboratory Sciences, Halabja Technical College of Applied Sciences, Sulaimani Polytechnic University, Halabja, Iraq
| | - Osama Hamid Shareef
- Department of Medical Laboratory Techniques, Halabja Technical Institute, Research Center, Sulaimani Polytechnic University, Sulaymaniyah, Iraq
| | - Hassan Mahmoodi
- Department of Medical Laboratory Sciences, School of Paramedical Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Mahmoudi
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sajad Moradi
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| |
Collapse
|
5
|
Eş I, Ionescu AMT, Görmüş BM, Inci F, Marques MPC, Szita N, de la Torre LG. Monte Carlo simulation-guided design for size-tuned tumor spheroid formation in 3D printed microwells. Biotechnol Prog 2024:e3470. [PMID: 38613384 DOI: 10.1002/btpr.3470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/10/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024]
Abstract
Tumor spheroid models have garnered significant attention in recent years as they can efficiently mimic in vivo models, and in addition, they offer a more controlled and reproducible environment for evaluating the efficacy of cancer drugs. In this study, we present the design and fabrication of a micromold template to form multicellular spheroids in a high-throughput and controlled-sized fashion. Briefly, polydimethylsiloxane-based micromolds at varying sizes and geometry were fabricated via soft lithography using 3D-printed molds as negative templates. The efficiency of spheroid formation was assessed using GFP-expressing human embryonic kidney 293 cells (HEK-293). After 7 days of culturing, circularity and cell viability of spheroids were >0.8 and 90%, respectively. At 1500 cells/microwell of cell seeding concentration, the spheroids were 454 ± 15 μm, 459 ± 7 μm, and 451 ± 18 μm when cultured in microwells with the diameters of 0.4, 0.6, and 0.8 μm, respectively. Moreover, the distance between each microwell and surfactant treatment before cell seeding notably impacted the uniform spheroid formation. The centrifugation was the key step to collect cells on the bottom of the microwells. Our findings were further verified using a commercial microplate. Furthermore, Monte Carlo simulation confirmed the seeding conditions where the spheroids could be formed. This study showed prominent steps in investigating spheroid formation, thereby leveraging the current know-how on the mechanism of tumor growth.
Collapse
Affiliation(s)
- Ismail Eş
- Department of Biochemical Engineering, University College London, London, UK
- Department of Material and Bioprocess Engineering, School of Chemical Engineering, University of Campinas (UNICAMP), São Paulo, Brazil
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, Turkey
| | | | - Burak M Görmüş
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, Turkey
| | - Fatih Inci
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, Turkey
- Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, Turkey
| | - Marco P C Marques
- Department of Biochemical Engineering, University College London, London, UK
| | - Nicolas Szita
- Department of Biochemical Engineering, University College London, London, UK
| | - Lucimara Gaziola de la Torre
- Department of Material and Bioprocess Engineering, School of Chemical Engineering, University of Campinas (UNICAMP), São Paulo, Brazil
| |
Collapse
|
6
|
Pelin G, Sonmez M, Pelin CE. The Use of Additive Manufacturing Techniques in the Development of Polymeric Molds: A Review. Polymers (Basel) 2024; 16:1055. [PMID: 38674976 PMCID: PMC11054453 DOI: 10.3390/polym16081055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 04/03/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
The continuous growth of additive manufacturing in worldwide industrial and research fields is driven by its main feature which allows the customization of items according to the customers' requirements and limitations. There is an expanding competitiveness in the product development sector as well as applicative research that serves special-use domains. Besides the direct use of additive manufacturing in the production of final products, 3D printing is a viable solution that can help manufacturers and researchers produce their support tooling devices (such as molds and dies) more efficiently, in terms of design complexity and flexibility, timeframe, costs, and material consumption reduction as well as functionality and quality enhancements. The compatibility of the features of 3D printing of molds with the requirements of low-volume production and individual-use customized items development makes this class of techniques extremely attractive to a multitude of areas. This review paper presents a synthesis of the use of 3D-printed polymeric molds in the main applications where molds exhibit a major role, from industrially oriented ones (injection, casting, thermoforming, vacuum forming, composite fabrication) to research or single-use oriented ones (tissue engineering, biomedicine, soft lithography), with an emphasis on the benefits of using 3D-printed polymeric molds, compared to traditional tooling.
Collapse
Affiliation(s)
- George Pelin
- INCAS—National Institute for Aerospace Research “Elie Carafoli”, Bd. Iuliu Maniu 220, 061126 Bucharest, Romania;
| | - Maria Sonmez
- INCDTP-ICPI—National Research and Development Institute for Textile and Leather—Division Leather and Footwear Research Institute, Ion Minulescu St. 93, 031215 Bucharest, Romania;
| | - Cristina-Elisabeta Pelin
- INCAS—National Institute for Aerospace Research “Elie Carafoli”, Bd. Iuliu Maniu 220, 061126 Bucharest, Romania;
| |
Collapse
|
7
|
Kieda J, Shakeri A, Landau S, Wang EY, Zhao Y, Lai BF, Okhovatian S, Wang Y, Jiang R, Radisic M. Advances in cardiac tissue engineering and heart-on-a-chip. J Biomed Mater Res A 2024; 112:492-511. [PMID: 37909362 DOI: 10.1002/jbm.a.37633] [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: 07/05/2023] [Revised: 09/26/2023] [Accepted: 10/13/2023] [Indexed: 11/03/2023]
Abstract
Recent advances in both cardiac tissue engineering and hearts-on-a-chip are grounded in new biomaterial development as well as the employment of innovative fabrication techniques that enable precise control of the mechanical, electrical, and structural properties of the cardiac tissues being modelled. The elongated structure of cardiomyocytes requires tuning of substrate properties and application of biophysical stimuli to drive its mature phenotype. Landmark advances have already been achieved with induced pluripotent stem cell-derived cardiac patches that advanced to human testing. Heart-on-a-chip platforms are now commonly used by a number of pharmaceutical and biotechnology companies. Here, we provide an overview of cardiac physiology in order to better define the requirements for functional tissue recapitulation. We then discuss the biomaterials most commonly used in both cardiac tissue engineering and heart-on-a-chip, followed by the discussion of recent representative studies in both fields. We outline significant challenges common to both fields, specifically: scalable tissue fabrication and platform standardization, improving cellular fidelity through effective tissue vascularization, achieving adult tissue maturation, and ultimately developing cryopreservation protocols so that the tissues are available off the shelf.
Collapse
Affiliation(s)
- Jennifer Kieda
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Amid Shakeri
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Shira Landau
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Erika Yan Wang
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Yimu Zhao
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
| | - Benjamin Fook Lai
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Sargol Okhovatian
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Ying Wang
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Richard Jiang
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Milica Radisic
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario, Canada
| |
Collapse
|
8
|
Maparu AK, Singh P, Rai B, Sharma A, Sivakumar S. PDMS nanoparticles-decorated PDMS substrate promotes adhesion, proliferation and differentiation of skin cells. J Colloid Interface Sci 2024; 659:629-638. [PMID: 38198940 DOI: 10.1016/j.jcis.2023.12.155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 12/14/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024]
Abstract
Polydimethylsiloxane (PDMS) is known to be a common substrate for various cell culture-based applications. However, native PDMS is not very conducive for cell culture and hence, surface modification via cell adhesion moieties is generally needed to make it suitable especially for long-term cell culture. To address this issue, we propose to coat PDMS nanoparticles (NPs) on the surface of PDMS film to improve adhesion, proliferation and differentiation of skin cells. The proposed modification strategy introduces necessary nanotopography without altering the surface chemical properties of PDMS. Due to resemblance in the mechanical properties of PDMS with skin, PDMS NPs can recreate the native extracellular nanoenvironment of skin on the PDMS surface and provide anchoring sites for skin cells to adhere and grow. Human keratinocytes, representing 95% of the epidermal skin cells maintained their characteristic well-spread morphology with the formation of interconnected cell-sheets on this coated PDMS surface. Moreover, our in vitro immunofluorescence studies confirmed expression of distinctive epidermal protein markers on the coated surface indicating close resemblance with the native skin epidermis. Conclusively, our findings suggest that introducing nanotopography via PDMS NPs can be an effective strategy for emulating the native cellular functions of keratinocytes on PDMS based cell culture devices.
Collapse
Affiliation(s)
- Auhin Kumar Maparu
- Physical Sciences Research Area, TCS Research, Tata Research Development and Design Centre, Tata Consultancy Services, 54-B, Hadapsar Industrial Estate, Pune, Maharashtra 411013, India; Department of Chemical Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh 208016, India
| | - Prerana Singh
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Uttar Pradesh 208016, India
| | - Beena Rai
- Physical Sciences Research Area, TCS Research, Tata Research Development and Design Centre, Tata Consultancy Services, 54-B, Hadapsar Industrial Estate, Pune, Maharashtra 411013, India
| | - Ashutosh Sharma
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh 208016, India
| | - Sri Sivakumar
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh 208016, India; Material Science Programme, Thematic Unit of Excellence on Soft Nanofabrication, Centre for Environmental Science & Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh 208016, India.
| |
Collapse
|
9
|
Apoorva S, Nguyen NT, Sreejith KR. Recent developments and future perspectives of microfluidics and smart technologies in wearable devices. LAB ON A CHIP 2024; 24:1833-1866. [PMID: 38476112 DOI: 10.1039/d4lc00089g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Wearable devices are gaining popularity in the fields of health monitoring, diagnosis, and drug delivery. Recent advances in wearable technology have enabled real-time analysis of biofluids such as sweat, interstitial fluid, tears, saliva, wound fluid, and urine. The integration of microfluidics and emerging smart technologies, such as artificial intelligence (AI), machine learning (ML), and Internet of Things (IoT), into wearable devices offers great potential for accurate and non-invasive monitoring and diagnosis. This paper provides an overview of current trends and developments in microfluidics and smart technologies in wearable devices for analyzing body fluids. The paper discusses common microfluidic technologies in wearable devices and the challenges associated with analyzing each type of biofluid. The paper emphasizes the importance of combining smart technologies with microfluidics in wearable devices, and how they can aid diagnosis and therapy. Finally, the paper covers recent applications, trends, and future developments in the context of intelligent microfluidic wearable devices.
Collapse
Affiliation(s)
- Sasikala Apoorva
- UKF Centre for Advanced Research and Skill Development(UCARS), UKF College of Engineering and Technology, Kollam, Kerala, India, 691 302
| | - Nam-Trung Nguyen
- Queensland Micro and Nanotechnology Centre, Griffith University, 170 Kessels Road, Nathan, 4111, Queensland, Australia.
| | - Kamalalayam Rajan Sreejith
- Queensland Micro and Nanotechnology Centre, Griffith University, 170 Kessels Road, Nathan, 4111, Queensland, Australia.
| |
Collapse
|
10
|
Guimaraes APP, Calori IR, Stilhano RS, Tedesco AC. Renal proximal tubule-on-a-chip in PDMS: fabrication, functionalization, and RPTEC:HUVEC co-culture evaluation. Biofabrication 2024; 16:025024. [PMID: 38408383 DOI: 10.1088/1758-5090/ad2d2f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 02/26/2024] [Indexed: 02/28/2024]
Abstract
'On-a-chip' technology advances the development of physiologically relevant organ-mimicking architecture by integrating human cells into three-dimensional microfluidic devices. This method also establishes discrete functional units, faciliting focused research on specific organ components. In this study, we detail the development and assessment of a convoluted renal proximal tubule-on-a-chip (PT-on-a-chip). This platform involves co-culturing Renal Proximal Tubule Epithelial Cells (RPTEC) and Human Umbilical Vein Endothelial Cells (HUVEC) within a polydimethylsiloxane microfluidic device, crafted through a combination of 3D printing and molding techniques. Our PT-on-a-chip significantly reduced high glucose level, exhibited albumin uptake, and simulated tubulopathy induced by amphotericin B. Remarkably, the RPTEC:HUVEC co-culture exhibited efficient cell adhesion within 30 min on microchannels functionalized with plasma, 3-aminopropyltriethoxysilane, and type-I collagen. This approach significantly reduced the required incubation time for medium perfusion. In comparison, alternative methods such as plasma and plasma plus polyvinyl alcohol were only effective in promoting cell attachment to flat surfaces. The PT-on-a-chip holds great promise as a valuable tool for assessing the nephrotoxic potential of new drug candidates, enhancing our understanding of drug interactions with co-cultured renal cells, and reducing the need for animal experimentation, promoting the safe and ethical development of new pharmaceuticals.
Collapse
Affiliation(s)
- Ana Paula Pereira Guimaraes
- Department of Chemistry, Center of Nanotechnology and Tissue Engineering- Photobiology and Photomedicine Research Group, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, São Paulo, Ribeirão Preto 14040-901, Brazil
| | - Italo Rodrigo Calori
- Department of Chemistry, Center of Nanotechnology and Tissue Engineering- Photobiology and Photomedicine Research Group, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, São Paulo, Ribeirão Preto 14040-901, Brazil
- Pharmaceutical Engineering and 3D Printing (PharmE3D) Labs, Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, Oxford, MS 38677, United States of America
| | - Roberta Sessa Stilhano
- Department of Physiological Sciences, Santa Casa de Sao Paulo School of Medical Sciences, Sao Paulo, Brazil
| | - Antonio Claudio Tedesco
- Department of Chemistry, Center of Nanotechnology and Tissue Engineering- Photobiology and Photomedicine Research Group, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, São Paulo, Ribeirão Preto 14040-901, Brazil
| |
Collapse
|
11
|
Ren L, Liu S, Zhong J, Zhang L. Revolutionizing targeting precision: microfluidics-enabled smart microcapsules for tailored delivery and controlled release. LAB ON A CHIP 2024; 24:1367-1393. [PMID: 38314845 DOI: 10.1039/d3lc00835e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
As promising delivery systems, smart microcapsules have garnered significant attention owing to their targeted delivery loaded with diverse active materials. By precisely manipulating fluids on the micrometer scale, microfluidic has emerged as a powerful tool for tailoring delivery systems based on potential applications. The desirable characteristics of smart microcapsules are associated with encapsulation capacity, targeted delivery capability, and controlled release of encapsulants. In this review, we briefly describe the principles of droplet-based microfluidics for smart microcapsules. Subsequently, we summarize smart microcapsules as delivery systems for efficient encapsulation and focus on target delivery patterns, including passive targets, active targets, and microfluidics-assisted targets. Additionally, based on release mechanisms, we review controlled release modes adjusted by smart membranes and on/off gates. Finally, we discuss existing challenges and potential implications associated with smart microcapsules.
Collapse
Affiliation(s)
- Lingling Ren
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, China.
| | - Shuang Liu
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, China.
| | - Junjie Zhong
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, China.
| | - Liyuan Zhang
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong, China.
| |
Collapse
|
12
|
Hong H, Zhang J, Zhu Y, Tse SD, Guo H, Lai Y, Xi Y, He L, Zhu Z, Yin K, Sun L. In Situ Polymer-Solution-Processed Graphene-PDMS Nanocomposites for Application in Intracranial Pressure Sensors. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:399. [PMID: 38470730 DOI: 10.3390/nano14050399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/18/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024]
Abstract
Polydimethylsiloxane (PDMS) has emerged as a promising candidate for the dielectric layer in implantable sensors due to its exceptional biocompatibility, stability, and flexibility. This study introduces an innovative approach to produce graphene-reinforced PDMS (Gr-PDMS), where graphite powders are exfoliated into mono- and few-layer graphene sheets within the polymer solution, concurrently forming cross-linkages with PDMS. This method yields a uniformly distributed graphene within the polymer matrix with improved interfaces between graphene and PDMS, significantly reducing the percolation threshold of graphene dispersed in PDMS from 10% to 5%. As-synthesized Gr-PDMS exhibits improved mechanical and electrical properties, tested for potential use in capacitive pressure sensors. The results demonstrate an impressive pressure sensitivity up to 0.0273 kpa-1, 45 times higher than that of pristine PDMS and 2.5 times higher than the reported literature value. The Gr-PDMS showcases excellent pressure sensing ability and stability, fulfilling the requirements for implantable intracranial pressure (ICP) sensors.
Collapse
Affiliation(s)
- Hua Hong
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Junjie Zhang
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Yuchen Zhu
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Stephen D Tse
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Hongxuan Guo
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Yilin Lai
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Yubo Xi
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Longbing He
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Zhen Zhu
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Kuibo Yin
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| | - Litao Sun
- SEU-FEI Nano-Pico Center, Key Lab of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China
| |
Collapse
|
13
|
Saupe M, Wiedemeier S, Gastrock G, Römer R, Lemke K. Flexible Toolbox of High-Precision Microfluidic Modules for Versatile Droplet-Based Applications. MICROMACHINES 2024; 15:250. [PMID: 38398978 PMCID: PMC10891953 DOI: 10.3390/mi15020250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/19/2024] [Accepted: 01/28/2024] [Indexed: 02/25/2024]
Abstract
Although the enormous potential of droplet-based microfluidics has been successfully demonstrated in the past two decades for medical, pharmaceutical, and academic applications, its inherent potential has not been fully exploited until now. Nevertheless, the cultivation of biological cells and 3D cell structures like spheroids and organoids, located in serially arranged droplets in micro-channels, has a range of benefits compared to established cultivation techniques based on, e.g., microplates and microchips. To exploit the enormous potential of the droplet-based cell cultivation technique, a number of basic functions have to be fulfilled. In this paper, we describe microfluidic modules to realize the following basic functions with high precision: (i) droplet generation, (ii) mixing of cell suspensions and cell culture media in the droplets, (iii) droplet content detection, and (iv) active fluid injection into serially arranged droplets. The robustness of the functionality of the Two-Fluid Probe is further investigated regarding its droplet generation using different flow rates. Advantages and disadvantages in comparison to chip-based solutions are discussed. New chip-based modules like the gradient, the piezo valve-based conditioning, the analysis, and the microscopy module are characterized in detail and their high-precision functionalities are demonstrated. These microfluidic modules are micro-machined, and as the surfaces of their micro-channels are plasma-treated, we are able to perform cell cultivation experiments using any kind of cell culture media, but without needing to use surfactants. This is even more considerable when droplets are used to investigate cell cultures like stem cells or cancer cells as cell suspensions, as 3D cell structures, or as tissue fragments over days or even weeks for versatile applications.
Collapse
Affiliation(s)
- Mario Saupe
- Institute for Bioprocessing and Analytical Measurement Techniques e.V., 37308 Heilbad Heiligenstadt, Germany; (S.W.); (G.G.); (R.R.); (K.L.)
- Department of Physical Chemistry and Microreaction Technologies, Technical University of Ilmenau, 98693 Ilmenau, Germany
| | - Stefan Wiedemeier
- Institute for Bioprocessing and Analytical Measurement Techniques e.V., 37308 Heilbad Heiligenstadt, Germany; (S.W.); (G.G.); (R.R.); (K.L.)
| | - Gunter Gastrock
- Institute for Bioprocessing and Analytical Measurement Techniques e.V., 37308 Heilbad Heiligenstadt, Germany; (S.W.); (G.G.); (R.R.); (K.L.)
| | - Robert Römer
- Institute for Bioprocessing and Analytical Measurement Techniques e.V., 37308 Heilbad Heiligenstadt, Germany; (S.W.); (G.G.); (R.R.); (K.L.)
| | - Karen Lemke
- Institute for Bioprocessing and Analytical Measurement Techniques e.V., 37308 Heilbad Heiligenstadt, Germany; (S.W.); (G.G.); (R.R.); (K.L.)
| |
Collapse
|
14
|
Du Y, Reitemeier J, Jiang Q, Bappy MO, Bohn PW, Zhang Y. Hybrid Printing of Fully Integrated Microfluidic Devices for Biosensing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2304966. [PMID: 37752777 DOI: 10.1002/smll.202304966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 08/22/2023] [Indexed: 09/28/2023]
Abstract
The advent of 3D printing has facilitated the rapid fabrication of microfluidic devices that are accessible and cost-effective. However, it remains a challenge to fabricate sophisticated microfluidic devices with integrated structural and functional components due to limited material options of existing printing methods and their stringent requirement on feedstock material properties. Here, a multi-materials multi-scale hybrid printing method that enables seamless integration of a broad range of structural and functional materials into complex devices is reported. A fully printed and assembly-free microfluidic biosensor with embedded fluidic channels and functionalized electrodes at sub-100 µm spatial resolution for the amperometric sensing of lactate in sweat is demonstrated. The sensors present a sensitive response with a limit of detection of 442 nm and a linear dynamic range of 1-10 mm, which are performance characteristics relevant to physiological levels of lactate in sweat. The versatile hybrid printing method offers a new pathway toward facile fabrication of next-generation integrated devices for broad applications in point-of-care health monitoring and sensing.
Collapse
Affiliation(s)
- Yipu Du
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Julius Reitemeier
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Qiang Jiang
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Md Omarsany Bappy
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Paul W Bohn
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN, 46556, USA
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Yanliang Zhang
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| |
Collapse
|
15
|
Shen Y, Gwak H, Han B. Advanced manufacturing of nanoparticle formulations of drugs and biologics using microfluidics. Analyst 2024; 149:614-637. [PMID: 38083968 PMCID: PMC10842755 DOI: 10.1039/d3an01739g] [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] [Indexed: 01/04/2024]
Abstract
Numerous innovative nanoparticle formulations of drugs and biologics, named nano-formulations, have been developed in the last two decades. However, methods for their scaled-up production are still lagging, as the amount needed for large animal tests and clinical trials is typically orders of magnitude larger. This manufacturing challenge poses a critical barrier to successfully translating various nano-formulations. This review focuses on how microfluidics technology has become a powerful tool to overcome this challenge by synthesizing various nano-formulations with improved particle properties and product purity in large quantities. This microfluidic-based manufacturing is enabled by microfluidic mixing, which is capable of the precise and continuous control of the synthesis of nano-formulations. We further discuss the specific applications of hydrodynamic flow focusing, a staggered herringbone micromixer, a T-junction mixer, a micro-droplet generator, and a glass capillary on various types of nano-formulations of polymeric, lipid, inorganic, and nanocrystals. Various separation and purification microfluidic methods to enhance the product purity are reviewed, including acoustofluidics, hydrodynamics, and dielectrophoresis. We further discuss the challenges of microfluidics being used by broader research and industrial communities. We also provide future outlooks of its enormous potential as a decentralized approach for manufacturing nano-formulations.
Collapse
Affiliation(s)
- Yingnan Shen
- School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907, USA.
| | - Hogyeong Gwak
- School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907, USA.
| | - Bumsoo Han
- School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907, USA.
- Purdue University Institute for Cancer Research, West Lafayette, IN, 47907, USA
| |
Collapse
|
16
|
Yang H, Ding H, Wei W, Li X, Duan X, Zhuang C, Liu W, Chen S, Wang X. Skin-interfaced microfluidic sweat collection devices for personalized hydration management through thermal feedback. LAB ON A CHIP 2024; 24:356-366. [PMID: 38108440 DOI: 10.1039/d3lc00791j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Non-electronic wearables that utilize skin-interfaced microfluidic technology have revolutionized the collection and analysis of human sweat, providing valuable biochemical information and indicating body hydration status. However, existing microfluidic devices often require constant monitoring of data during sweat assessment, thereby impeding the user experience and potentially missing anomalous physiological events, such as excessive sweating. Moreover, the complex manufacturing process hampers the scalability and large-scale production of such devices. Herein, we present a self-feedback microfluidic device with a unique dehydration reminder through a cost-effective "CAD-to-3D device" approach. It incorporates two independent systems for sweat collection and thermal feedback, including serpentine microchannels, reservoirs, petal-like bursting valves and heating chambers. The device operates by sequentially collecting sweat in the channels and reservoirs, and then activating thermal stimulators in the heating chambers through breaking the valves, initiating a chemical exothermic reaction. Human trials validate that the devices effectively alert users to potential dehydration by inducing skin thermal sensations triggered by sweat sampling. The proposed device offers facile scalability and customizable fabrication, and holds promise for managing hydration strategies in real-world scenarios, benefiting individuals engaged in sporting activities or exposed to high-temperature settings.
Collapse
Affiliation(s)
- Hanlin Yang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China.
| | - Hongyan Ding
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China.
| | - Wenkui Wei
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China.
| | - Xiaofeng Li
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China.
| | - Xiaojun Duan
- Respiratory medicine department, Hunan Children's Hospital, Changsha, Hunan 410007, China
| | - Changgen Zhuang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China.
| | - Weiyi Liu
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China.
| | - Shangda Chen
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China.
| | - Xiufeng Wang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China.
| |
Collapse
|
17
|
Gatto ML, Mengucci P, Mattioli-Belmonte M, Munteanu D, Nasini R, Tognoli E, Denti L, Gatto A. Features of Vat-Photopolymerized Masters for Microfluidic Device Manufacturing. Bioengineering (Basel) 2024; 11:80. [PMID: 38247957 PMCID: PMC10813418 DOI: 10.3390/bioengineering11010080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 12/23/2023] [Accepted: 01/09/2024] [Indexed: 01/23/2024] Open
Abstract
The growing interest in advancing microfluidic devices for manipulating fluids within micrometer-scale channels has prompted a shift in manufacturing practices, moving from single-component production to medium-size batches. This transition arises due to the impracticality of lab-scale manufacturing methods in accommodating the increased demand. This experimental study focuses on the design of master benchmarks 1-5, taking into consideration critical parameters such as rib width, height, and the relative width-to-height ratio. Notably, benchmarks 4 and 5 featured ribs that were strategically connected to the inlet, outlet, and reaction chamber of the master, enhancing their utility for subsequent replica production. Vat photopolymerization was employed for the fabrication of benchmarks 1-5, while replicas of benchmarks 4 and 5 were generated through polydimethylsiloxane casting. Dimensional investigations of the ribs and channels in both the master benchmarks and replicas were conducted using an optical technique validated through readability analysis based on the Michelson global contrast index. The primary goal was to evaluate the potential applicability of vat photopolymerization technology for efficiently producing microfluidic devices through a streamlined production process. Results indicate that the combination of vat photopolymerization followed by replication is well suited for achieving a minimum rib size of 25 µm in width and an aspect ratio of 1:12 for the master benchmark.
Collapse
Affiliation(s)
- Maria Laura Gatto
- Department of Industrial Engineering and Mathematical Sciences (DIISM), Università Politecnica delle Marche, Via Brecce Bianche 12, 60131 Ancona, Italy;
| | - Paolo Mengucci
- Department of Materials, Environmental Sciences and Urban Planning (SIMAU), Università Politecnica delle Marche, Via Brecce Bianche 12, 60131 Ancona, Italy;
| | - Monica Mattioli-Belmonte
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Via Tronto 10/a, 60126 Ancona, Italy;
- INSTM, National Consortium of Materials Science and Technology, Via G. Giusti 9, 50121 Florence, Italy
| | - Daniel Munteanu
- Material Science Department, Transilvania University of Brasov, 29 Eroilor Blvd., 500036 Brasov, Romania;
| | - Roberto Nasini
- Prosilas S.r.l., Via Terracini 14, 60212 Civitanova Marche, Italy
| | - Emanuele Tognoli
- Department of Engineering “Enzo Ferrari”, Università di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy; (L.D.); (A.G.)
| | - Lucia Denti
- Department of Engineering “Enzo Ferrari”, Università di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy; (L.D.); (A.G.)
| | - Andrea Gatto
- Department of Engineering “Enzo Ferrari”, Università di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy; (L.D.); (A.G.)
| |
Collapse
|
18
|
Mahdavi R, Hashemi-Najafabadi S, Ghiass MA, Adiels CB. Microfluidic design for in-vitro liver zonation-a numerical analysis using COMSOL Multiphysics. Med Biol Eng Comput 2024; 62:121-133. [PMID: 37733153 DOI: 10.1007/s11517-023-02936-6] [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: 05/08/2023] [Accepted: 09/09/2023] [Indexed: 09/22/2023]
Abstract
The liver is one of the most important organs, with a complex physiology. Current in-vitro approaches are not accurate for disease modeling and drug toxicity research. One of those features is liver zonation, where cells display different physiological states due to different levels of oxygen and nutrient supplements. Organ-on-a-chip technology employs microfluidic platforms that enable a controlled environment for in-vitro cell culture. In this study, we propose a microfluidic design embedding a gas channel (of ambient air), creating an oxygen gradient. We numerically simulate different flow rates and cell densities with the COMSOL Multiphysics package considering cell-specific consumption rates of oxygen and glucose. We establish the cell density and flow rate for optimum oxygen and glucose distribution in the cell culture chamber. Furthermore, we show that a physiologically relevant concentration of oxygen and glucose in the chip is reached after 24 h and 30 min, respectively. The proposed microfluidic design and optimal parameters we identify in this paper provide a tool for in-vitro liver zonation studies. However, the microfluidic design is not exclusively for liver cell experiments but is foreseen to be applicable in cell studies where different gas concentration gradients are critical, e.g., studying hypoxia or toxic gas impact.
Collapse
Affiliation(s)
- Reza Mahdavi
- Biotechnology Department, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, P.O. Box 14115-114, Iran
| | - Sameereh Hashemi-Najafabadi
- Biomedical Engineering Department, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, P.O. Box 14115-114, Iran.
| | - Mohammad Adel Ghiass
- Tissue Engineering Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, P.O. Box 14115-114, Iran
| | | |
Collapse
|
19
|
Xue Y, Hassan Q, Noroozifar M, Sullan RMA, Kerman K. Microfluidic flow injection analysis system for the electrochemical detection of dopamine using diazonium-grafted copper nanoparticles on multi-walled carbon nanotube-modified surfaces. Talanta 2024; 266:125030. [PMID: 37582331 DOI: 10.1016/j.talanta.2023.125030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 06/27/2023] [Accepted: 08/02/2023] [Indexed: 08/17/2023]
Abstract
In this proof-of-concept study, a microfluidic flow injection analysis (FIA) system was developed using multi-walled carbon nanotube-modified screen-printed carbon electrodes (CNTSPEs) that were modified with copper nanoparticles (CuNPs) following the electrodeposition of the diazonium salt of 4-aminothiophenol to form 4-thiophenol-conjugated CuNPs (CuNPs-CNTSPE). Transmission electron microscopy (TEM), atomic force microscopy (AFM), and scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS) were used to characterize the size of CuNPs, morphology and elemental analysis of CuNPs-CNTSPE, respectively. Using electrochemical impedance spectroscopy (EIS), the charge-transfer resistance (Rct) of CuNPs-CNTSPE was found to be 20-fold lower than that of CNTSPE. The CuNPs-CNTSPE displayed an oxidation peak for dopamine at -0.08 V which is ∼80 mV lower than the one detected using CNTSPE. The modified electrode was used in microfluidic flow injection analysis and offline systems for sensitive detection of dopamine (DA). The pH, flow rate, loop volume, concentration, and type of surfactant were all optimized for on-chip detection. Under the optimal conditions, using phosphate electrolyte solution (pH 6) containing 0.05% (w/v) Tween 20® as the carrier at a flow rate of 0.6 mL min-1 and a loop volume of 50 μL, the calibration curve was linear from 1.5 to 500 nM with a limit of detection of 0.33 nM. This technique was used for the successful detection of DA in real samples with recovery ranging from 96.5% to 103.8%. The microfluidic FIA system described here has the potential to be used as an electrochemical point-of-care device for rapid DA detection with high sensitivity and reproducibility.
Collapse
Affiliation(s)
- Yilei Xue
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada; Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Qusai Hassan
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada; Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Meissam Noroozifar
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada
| | - Ruby May A Sullan
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada; Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Kagan Kerman
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, M1C 1A4, Canada; Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada.
| |
Collapse
|
20
|
Zhou Y, Sun M, Xuanyuan T, Zhang J, Liu X, Liu W. Straightforward Cell Patterning with Ultra-Low Background Using Polydimethylsiloxane Through-Hole Membranes. Macromol Biosci 2023; 23:e2300267. [PMID: 37580176 DOI: 10.1002/mabi.202300267] [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: 06/10/2023] [Revised: 07/25/2023] [Indexed: 08/16/2023]
Abstract
Micropatterning is becoming an increasingly popular tool to realize microscale cell positioning and decipher cell activities and functions under specific microenvironments. However, a facile methodology for building a highly precise cell pattern still remains challenging. In this study, A simple and straightforward method for stable and efficient cell patterning with ultra-low background using polydimethylsiloxane through-hole membranes is developed. The patterning process is conveniently on the basis of membrane peeling and routine pipetting. Cell patterning in high quality involving over 97% patterning coincidence and zero residue on the background is achieved. The high repeatability and stability of the established method for multiple types of cell arrangements with different spatial profiles is demonstrated. The customizable cell patterning with ultra-low background and high diversity is confirmed to be quite feasible and reliable. Furthermore, the applicability of the patterning method for investigating the fundamental cell activities is also verified experimentally. The authors believe this microengineering advancement has valuable applications in many microscale cell manipulation-associated research fields including cell biology, cell engineering, cell imaging, and cell sensing.
Collapse
Affiliation(s)
- Yujie Zhou
- School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| | - Meilin Sun
- School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| | - Tingting Xuanyuan
- School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| | - Jinwei Zhang
- School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| | - Xufang Liu
- School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| | - Wenming Liu
- School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| |
Collapse
|
21
|
Shakeri A, Wang Y, Zhao Y, Landau S, Perera K, Lee J, Radisic M. Engineering Organ-on-a-Chip Systems for Vascular Diseases. Arterioscler Thromb Vasc Biol 2023; 43:2241-2255. [PMID: 37823265 PMCID: PMC10842627 DOI: 10.1161/atvbaha.123.318233] [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: 05/06/2023] [Accepted: 09/27/2023] [Indexed: 10/13/2023]
Abstract
Vascular diseases, such as atherosclerosis and thrombosis, are major causes of morbidity and mortality worldwide. Traditional in vitro models for studying vascular diseases have limitations, as they do not fully recapitulate the complexity of the in vivo microenvironment. Organ-on-a-chip systems have emerged as a promising approach for modeling vascular diseases by incorporating multiple cell types, mechanical and biochemical cues, and fluid flow in a microscale platform. This review provides an overview of recent advancements in engineering organ-on-a-chip systems for modeling vascular diseases, including the use of microfluidic channels, ECM (extracellular matrix) scaffolds, and patient-specific cells. We also discuss the limitations and future perspectives of organ-on-a-chip for modeling vascular diseases.
Collapse
Affiliation(s)
- Amid Shakeri
- Institute of Biomaterials Engineering; University of Toronto; Toronto; Ontario, M5S 3G9; Canada
- Toronto General Research Institute, Toronto; Ontario, M5G 2C4; Canada
| | - Ying Wang
- Institute of Biomaterials Engineering; University of Toronto; Toronto; Ontario, M5S 3G9; Canada
- Toronto General Research Institute, Toronto; Ontario, M5G 2C4; Canada
| | - Yimu Zhao
- Institute of Biomaterials Engineering; University of Toronto; Toronto; Ontario, M5S 3G9; Canada
- Toronto General Research Institute, Toronto; Ontario, M5G 2C4; Canada
| | - Shira Landau
- Institute of Biomaterials Engineering; University of Toronto; Toronto; Ontario, M5S 3G9; Canada
- Toronto General Research Institute, Toronto; Ontario, M5G 2C4; Canada
| | - Kevin Perera
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Jonguk Lee
- Institute of Biomaterials Engineering; University of Toronto; Toronto; Ontario, M5S 3G9; Canada
- KITE - Toronto Rehabilitation Institute, University Health Network, Toronto, Canada
| | - Milica Radisic
- Institute of Biomaterials Engineering; University of Toronto; Toronto; Ontario, M5S 3G9; Canada
- Toronto General Research Institute, Toronto; Ontario, M5G 2C4; Canada
- Department of Chemical Engineering and Applied Chemistry; University of Toronto; Toronto; Ontario, M5S 3E5; Canada
| |
Collapse
|
22
|
Wevers NR, De Vries HE. Microfluidic models of the neurovascular unit: a translational view. Fluids Barriers CNS 2023; 20:86. [PMID: 38008744 PMCID: PMC10680291 DOI: 10.1186/s12987-023-00490-9] [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: 07/14/2023] [Accepted: 11/15/2023] [Indexed: 11/28/2023] Open
Abstract
The vasculature of the brain consists of specialized endothelial cells that form a blood-brain barrier (BBB). This barrier, in conjunction with supporting cell types, forms the neurovascular unit (NVU). The NVU restricts the passage of certain substances from the bloodstream while selectively permitting essential nutrients and molecules to enter the brain. This protective role is crucial for optimal brain function, but presents a significant obstacle in treating neurological conditions, necessitating chemical modifications or advanced drug delivery methods for most drugs to cross the NVU. A deeper understanding of NVU in health and disease will aid in the identification of new therapeutic targets and drug delivery strategies for improved treatment of neurological disorders.To achieve this goal, we need models that reflect the human BBB and NVU in health and disease. Although animal models of the brain's vasculature have proven valuable, they are often of limited translational relevance due to interspecies differences or inability to faithfully mimic human disease conditions. For this reason, human in vitro models are essential to improve our understanding of the brain's vasculature under healthy and diseased conditions. This review delves into the advancements in in vitro modeling of the BBB and NVU, with a particular focus on microfluidic models. After providing a historical overview of the field, we shift our focus to recent developments, offering insights into the latest achievements and their associated constraints. We briefly examine the importance of chip materials and methods to facilitate fluid flow, emphasizing their critical roles in achieving the necessary throughput for the integration of microfluidic models into routine experimentation. Subsequently, we highlight the recent strides made in enhancing the biological complexity of microfluidic NVU models and propose recommendations for elevating the biological relevance of future iterations.Importantly, the NVU is an intricate structure and it is improbable that any model will fully encompass all its aspects. Fit-for-purpose models offer a valuable compromise between physiological relevance and ease-of-use and hold the future of NVU modeling: as simple as possible, as complex as needed.
Collapse
Affiliation(s)
- Nienke R Wevers
- MIMETAS BV, De Limes 7, Oegstgeest, 2342 DH, The Netherlands.
| | - Helga E De Vries
- Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam Neuroscience - Neuroinfection and Neuroinflammation, De Boelelaan 1117, Amsterdam, the Netherlands
| |
Collapse
|
23
|
Okhovatian S, Shakeri A, Huyer LD, Radisic M. Elastomeric Polyesters in Cardiovascular Tissue Engineering and Organs-on-a-Chip. Biomacromolecules 2023; 24:4511-4531. [PMID: 37639715 PMCID: PMC10915885 DOI: 10.1021/acs.biomac.3c00387] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Cardiovascular tissue constructs provide unique design requirements due to their functional responses to substrate mechanical properties and cyclic stretching behavior of cardiac tissue that requires the use of durable elastic materials. Given the diversity of polyester synthesis approaches, an opportunity exists to develop a new class of biocompatible, elastic, and immunomodulatory cardiovascular polymers. Furthermore, elastomeric polyester materials have the capability to provide tailored biomechanical synergy with native tissue and hence reduce inflammatory response in vivo and better support tissue maturation in vitro. In this review, we highlight underlying chemistry and design strategies of polyester elastomers optimized for cardiac tissue scaffolds. The major advantages of these materials such as their tunable elasticity, desirable biodegradation, and potential for incorporation of bioactive compounds are further expanded. Unique fabrication methods using polyester materials such as micromolding, 3D stamping, electrospinning, laser ablation, and 3D printing are discussed. Moreover, applications of these biomaterials in cardiovascular organ-on-a-chip devices and patches are analyzed. Finally, we outline unaddressed challenges in the field that need further study to enable the impactful translation of soft polyesters to clinical applications.
Collapse
Affiliation(s)
- Sargol Okhovatian
- Institute of Biomaterials Engineering; University of Toronto; Toronto; Ontario, M5S 3G9; Canada
- Toronto General Research Institute, Toronto; Ontario, M5G 2C4; Canada
| | - Amid Shakeri
- Institute of Biomaterials Engineering; University of Toronto; Toronto; Ontario, M5S 3G9; Canada
- Toronto General Research Institute, Toronto; Ontario, M5G 2C4; Canada
| | - Locke Davenport Huyer
- Department of Applied Oral Sciences, Faculty of Dentistry, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
- School of Biomedical Engineering, Faculties of Medicine and Engineering, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
- Department of Microbiology & Immunology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
| | - Milica Radisic
- Institute of Biomaterials Engineering; University of Toronto; Toronto; Ontario, M5S 3G9; Canada
- Toronto General Research Institute, Toronto; Ontario, M5G 2C4; Canada
- Department of Chemical Engineering and Applied Chemistry; University of Toronto; Toronto; Ontario, M5S 3E5; Canada
| |
Collapse
|
24
|
Shrestha K, Kim S, Han J, Florez GM, Truong H, Hoang T, Parajuli S, AM T, Kim B, Jung Y, Abafogi AT, Lee Y, Song SH, Lee J, Park S, Kang M, Huh HJ, Cho G, Lee LP. Mobile Efficient Diagnostics of Infectious Diseases via On-Chip RT-qPCR: MEDIC-PCR. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302072. [PMID: 37587764 PMCID: PMC10558658 DOI: 10.1002/advs.202302072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 07/21/2023] [Indexed: 08/18/2023]
Abstract
The COVID-19 outbreak has caused public and global health crises. However, the lack of on-site fast, reliable, sensitive, and low-cost reverse transcription polymerase chain reaction (RT-PCR) testing limits early detection, timely isolation, and epidemic prevention and control. Here, the authors report a rapid mobile efficient diagnostics of infectious diseases via on-chip -RT-quantitative PCR (RT-qPCR): MEDIC-PCR. First, the authors use a roll-to-roll printing process to accomplish low-cost carbon-black-based disposable PCR chips that enable rapid LED-induced photothermal PCR cycles. The MEDIC-PCR can perform RT (3 min), and PCR (9 min) steps. Further, the cohort of 89 COVID-19 and 103 non-COVID-19 patients testing is completed by the MEDIC-PCR to show excellent diagnostic accuracy of 97%, sensitivity of 94%, and specificity of 98%. This MEDIC-PCR can contribute to the preventive global health in the face of a future pandemic.
Collapse
Affiliation(s)
- Kiran Shrestha
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Seongryeong Kim
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Jiyeon Han
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Gabriela Morales Florez
- Department of Biological ScienceCollege of ScienceSungkyunkwan UniversitySuwon16419South Korea
| | - Han Truong
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Trung Hoang
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
| | - Sajjan Parajuli
- Department of Intelligent Precision Healthcare ConvergenceSungkyunkwan UniversitySuwon16419South Korea
| | - Tiara AM
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Research Engineering Center for R2R Printed Flexible ComputerSungkyunkwan UniversitySuwon16419South Korea
| | - Beomsoo Kim
- School of Electronic and Electrical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Younsu Jung
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Research Engineering Center for R2R Printed Flexible ComputerSungkyunkwan UniversitySuwon16419South Korea
| | | | - Yugyeong Lee
- Department of Biomedical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Seung Hyun Song
- Department of Electronics EngineeringSookmyung Women's UniversitySeoul04310South Korea
| | - Jinkee Lee
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- School of Mechanical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Sungsu Park
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- School of Mechanical EngineeringSungkyunkwan UniversitySuwon16419South Korea
- Department of Biomedical EngineeringSungkyunkwan UniversitySuwon16419South Korea
| | - Minhee Kang
- Biomedical Engineering Research CenterSmart Healthcare Research InstituteSamsung Medical CenterSeoul06352South Korea
- Department of Medical Device Management and ResearchSAIHST (Samsung Advanced Institute for Health Sciences & Technology)Sungkyunkwan UniversitySeoul06355South Korea
| | - Hee Jae Huh
- School of MedicineDepartment of Laboratory Medicine and GeneticsSamsung Medical CenterSungkyunkwan UniversitySeoul06351South Korea
| | - Gyoujin Cho
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Research Engineering Center for R2R Printed Flexible ComputerSungkyunkwan UniversitySuwon16419South Korea
| | - Luke P. Lee
- Department of BiophysicsInstitute of Quantum BiologySungkyunkwan UniversitySuwon16419South Korea
- Harvard Medical SchoolDepartment of MedicineBrigham Women's HospitalBostonMA02115USA
- Department of BioengineeringUniversity of California at BerkeleyBerkeleyCA94720USA
- Department of Electrical Engineering and Computer ScienceUniversity of California at BerkeleyBerkeleyCA94720USA
| |
Collapse
|
25
|
Mezzanzanica G, Français O, Mariani S. Surface Acoustic Wave-Based Microfluidic Device for Microparticles Manipulation: Effects of Microchannel Elasticity on the Device Performance. MICROMACHINES 2023; 14:1799. [PMID: 37763962 PMCID: PMC10537826 DOI: 10.3390/mi14091799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 09/18/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023]
Abstract
Size sorting, line focusing, and isolation of microparticles or cells are fundamental ingredients in the improvement of disease diagnostic tools adopted in biology and biomedicine. Microfluidic devices are exploited as a solution to transport and manipulate (bio)particles via a liquid flow. Use of acoustic waves traveling through the fluid provides non-contact solutions to the handling goal, by exploiting the acoustophoretic phenomenon. In this paper, a finite element model of a microfluidic surface acoustic wave-based device for the manipulation of microparticles is reported. Counter-propagating waves are designed to interfere inside a PDMS microchannel and generate a standing surface acoustic wave which is transmitted to the fluid as a standing pressure field. A model of the cross-section of the device is considered to perform a sensitivity analysis of such a standing pressure field to uncertainties related to the geometry of the microchannel, especially in terms of thickness and width of the fluid domain. To also assess the effects caused by possible secondary waves traveling in the microchannel, the PDMS is modeled as an elastic solid material. Remarkable effects and possible issues in microparticle actuation, as related to the size of the microchannel, are discussed by way of exemplary results.
Collapse
Affiliation(s)
- Gianluca Mezzanzanica
- Department of Civil and Environmental Engineering, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy;
| | - Olivier Français
- Electronics, Communication systems and Microsystems (ESYCOM), Université Gustave Eiffel, National Centre of Scientific Research (CNRS), F-77454 Marne-la-Vallée, France;
| | - Stefano Mariani
- Department of Civil and Environmental Engineering, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy;
| |
Collapse
|
26
|
Budassi J, Cho N, Del Valle A, Sokolov J. Microfluidic delivery of cutting enzymes for fragmentation of surface-adsorbed DNA molecules. PLoS One 2023; 18:e0250054. [PMID: 37672538 PMCID: PMC10482287 DOI: 10.1371/journal.pone.0250054] [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: 03/26/2021] [Accepted: 07/24/2023] [Indexed: 09/08/2023] Open
Abstract
We describe a method for fragmenting, in-situ, surface-adsorbed and immobilized DNAs on polymethylmethacrylate(PMMA)-coated silicon substrates using microfluidic delivery of the cutting enzyme DNase I. Soft lithography is used to produce silicone elastomer (Sylgard 184) gratings which form microfluidic channels for delivery of the enzyme. Bovine serum albumin (BSA) is used to reduce DNase I adsorption to the walls of the microchannels and enable diffusion of the cutting enzyme to a distance of 10mm. Due to the DNAs being immobilized, the fragment order is maintained on the surface. Possible methods of preserving the order for application to sequencing are discussed.
Collapse
Affiliation(s)
- Julia Budassi
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, United States of America
| | - NaHyun Cho
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, United States of America
| | - Anthony Del Valle
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York, United States of America
| | - Jonathan Sokolov
- Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York, United States of America
| |
Collapse
|
27
|
Corral-Nájera K, Chauhan G, Serna-Saldívar SO, Martínez-Chapa SO, Aeinehvand MM. Polymeric and biological membranes for organ-on-a-chip devices. MICROSYSTEMS & NANOENGINEERING 2023; 9:107. [PMID: 37649779 PMCID: PMC10462672 DOI: 10.1038/s41378-023-00579-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 05/18/2023] [Accepted: 06/20/2023] [Indexed: 09/01/2023]
Abstract
Membranes are fundamental elements within organ-on-a-chip (OOC) platforms, as they provide adherent cells with support, allow nutrients (and other relevant molecules) to permeate/exchange through membrane pores, and enable the delivery of mechanical or chemical stimuli. Through OOC platforms, physiological processes can be studied in vitro, whereas OOC membranes broaden knowledge of how mechanical and chemical cues affect cells and organs. OOCs with membranes are in vitro microfluidic models that are used to replace animal testing for various applications, such as drug discovery and disease modeling. In this review, the relevance of OOCs with membranes is discussed as well as their scaffold and actuation roles, properties (physical and material), and fabrication methods in different organ models. The purpose was to aid readers with membrane selection for the development of OOCs with specific applications in the fields of mechanistic, pathological, and drug testing studies. Mechanical stimulation from liquid flow and cyclic strain, as well as their effects on the cell's increased physiological relevance (IPR), are described in the first section. The review also contains methods to fabricate synthetic and ECM (extracellular matrix) protein membranes, their characteristics (e.g., thickness and porosity, which can be adjusted depending on the application, as shown in the graphical abstract), and the biological materials used for their coatings. The discussion section joins and describes the roles of membranes for different research purposes and their advantages and challenges.
Collapse
Affiliation(s)
- Kendra Corral-Nájera
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
| | - Gaurav Chauhan
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
| | - Sergio O. Serna-Saldívar
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
| | - Sergio O. Martínez-Chapa
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
| | - Mohammad Mahdi Aeinehvand
- School of Engineering and Science, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, 64849 Mexico
| |
Collapse
|
28
|
Rabe DC, Ho U, Choudhury A, Wallace J, Luciani E, Lee D, Flynn E, Stott SL. Aryl-diazonium salts offer a rapid and cost-efficient method to functionalize plastic microfluidic devices for increased immunoaffinity capture. ADVANCED MATERIALS TECHNOLOGIES 2023; 8:2300210. [PMID: 38283881 PMCID: PMC10812904 DOI: 10.1002/admt.202300210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Indexed: 01/30/2024]
Abstract
Microfluidic devices have been used for decades to isolate cells, viruses, and proteins using on-chip immunoaffinity capture using biotinylated antibodies, proteins, or aptamers. To accomplish this, the inner surface is modified to present binding moieties for the desired analyte. While this approach has been successful in research settings, it is challenging to scale many surface modification strategies. Traditional polydimethylsiloxane (PDMS) devices can be effectively functionalized using silane-based methods; however, it requires high labor hours, cleanroom equipment, and hazardous chemicals. Manufacture of microfluidic devices using plastics, including cyclic olefin copolymer (COC), allows chips to be mass produced, but most functionalization methods used with PDMS are not compatible with plastic. Here we demonstrate how to deposit biotin onto the surface of a plastic microfluidic chips using aryl-diazonium. This method chemically bonds biotin to the surface, allowing for the addition of streptavidin nanoparticles to the surface. Nanoparticles increase the surface area of the chip and allow for proper capture moiety orientation. Our process is faster, can be performed outside of a fume hood, is very cost-effective using readily available laboratory equipment, and demonstrates higher rates of capture. Additionally, our method allows for more rapid and scalable production of devices, including for diagnostic testing.
Collapse
Affiliation(s)
- Daniel C Rabe
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, MA 02142
| | - Uyen Ho
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Adarsh Choudhury
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Jessica Wallace
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Evelyn Luciani
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Dasol Lee
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Elizabeth Flynn
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
| | - Shannon L Stott
- Massachusetts General Hospital Cancer Center, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- BioMEMS Resource Center, Center for Engineering in Medicine and Surgical Services, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114
- Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, MA 02142
| |
Collapse
|
29
|
Cauli E, Polidoro MA, Marzorati S, Bernardi C, Rasponi M, Lleo A. Cancer-on-chip: a 3D model for the study of the tumor microenvironment. J Biol Eng 2023; 17:53. [PMID: 37592292 PMCID: PMC10436436 DOI: 10.1186/s13036-023-00372-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/03/2023] [Indexed: 08/19/2023] Open
Abstract
The approval of anticancer therapeutic strategies is still slowed down by the lack of models able to faithfully reproduce in vivo cancer physiology. On one hand, the conventional in vitro models fail to recapitulate the organ and tissue structures, the fluid flows, and the mechanical stimuli characterizing the human body compartments. On the other hand, in vivo animal models cannot reproduce the typical human tumor microenvironment, essential to study cancer behavior and progression. This study reviews the cancer-on-chips as one of the most promising tools to model and investigate the tumor microenvironment and metastasis. We also described how cancer-on-chip devices have been developed and implemented to study the most common primary cancers and their metastatic sites. Pros and cons of this technology are then discussed highlighting the future challenges to close the gap between the pre-clinical and clinical studies and accelerate the approval of new anticancer therapies in humans.
Collapse
Affiliation(s)
- Elisa Cauli
- Department of Electronics, Information and Bioengineering, Politecnico Di Milano, Milan, Italy.
- Accelera Srl, Nerviano, Milan, Italy.
| | - Michela Anna Polidoro
- Hepatobiliary Immunopathology Laboratory, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Simona Marzorati
- Hepatobiliary Immunopathology Laboratory, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | | | - Marco Rasponi
- Department of Electronics, Information and Bioengineering, Politecnico Di Milano, Milan, Italy
| | - Ana Lleo
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
- Division of Internal Medicine and Hepatology, Department of Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| |
Collapse
|
30
|
Milton LA, Viglione MS, Ong LJY, Nordin GP, Toh YC. Vat photopolymerization 3D printed microfluidic devices for organ-on-a-chip applications. LAB ON A CHIP 2023; 23:3537-3560. [PMID: 37476860 PMCID: PMC10448871 DOI: 10.1039/d3lc00094j] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Organs-on-a-chip, or OoCs, are microfluidic tissue culture devices with micro-scaled architectures that repeatedly achieve biomimicry of biological phenomena. They are well positioned to become the primary pre-clinical testing modality as they possess high translational value. Current methods of fabrication have facilitated the development of many custom OoCs that have generated promising results. However, the reliance on microfabrication and soft lithographic fabrication techniques has limited their prototyping turnover rate and scalability. Additive manufacturing, known commonly as 3D printing, shows promise to expedite this prototyping process, while also making fabrication easier and more reproducible. We briefly introduce common 3D printing modalities before identifying two sub-types of vat photopolymerization - stereolithography (SLA) and digital light processing (DLP) - as the most advantageous fabrication methods for the future of OoC development. We then outline the motivations for shifting to 3D printing, the requirements for 3D printed OoCs to be competitive with the current state of the art, and several considerations for achieving successful 3D printed OoC devices touching on design and fabrication techniques, including a survey of commercial and custom 3D printers and resins. In all, we aim to form a guide for the end-user to facilitate the in-house generation of 3D printed OoCs, along with the future translation of these important devices.
Collapse
Affiliation(s)
- Laura A Milton
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, Australia.
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia
| | - Matthew S Viglione
- Department of Electrical and Computer Engineering, Brigham Young University, Provo, Utah, USA.
| | - Louis Jun Ye Ong
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, Australia.
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia
- Max Planck Queensland Centre (MPQC) for the Materials Science of Extracellular Matrices, Queensland University of Technology, Brisbane, Australia
| | - Gregory P Nordin
- Department of Electrical and Computer Engineering, Brigham Young University, Provo, Utah, USA.
| | - Yi-Chin Toh
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, Australia.
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia
- Max Planck Queensland Centre (MPQC) for the Materials Science of Extracellular Matrices, Queensland University of Technology, Brisbane, Australia
- Centre for Microbiome Research, Queensland University of Technology, Brisbane, Australia
| |
Collapse
|
31
|
Tan Q, Wu S, Liu Z, Chen X, He S. Polished hollow core Bragg fiber sensor for simultaneous measurement of cortisol concentration and temperature. OPTICS EXPRESS 2023; 31:25662-25679. [PMID: 37710447 DOI: 10.1364/oe.496833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/11/2023] [Indexed: 09/16/2023]
Abstract
Disturbance of surrounding temperature inevitably affects the accuracy of fiber biosensors. To that end, we propose a compact label-free optofluidic sensor based on a polished hollow core Bragg fiber (HCBF) that can simultaneously measure the cortisol concentration and surrounding temperature in real-time. The sensor is comprised of fusion splicing single mode fiber (SMF), multimode fiber (MMF) and HCBF. HCBF is side polished to remove part of the cladding that the suspended inner surface of the fiber can contact the external environment. After the incident light passes through the MMF from the SMF, it enters the hollow area, high refractive index (RI) layers, respectively, where the anti-resonant reflecting optical waveguide (ARROW) guiding mechanism and Mach-Zehnder interferometer (MZI) are simultaneously excited. Taking advantage of the high RI layers of HCBF, compared to the fiber with uniform cladding, the light can be more confined in the cladding and more sensitive to inner surface medium. The inner surface of sensor is immobilized with cortisol aptamer for the sake of achieving high sensitivity and specific sensing of cortisol with the limit of detection (LOD) to be 4.303 pM. The proposed sensor has a compact structure, enables temperature compensation, and can be fabricated at low cost making it highly suitable for in-situ monitoring and high-precision sensing of cortisol and other biological analytes.
Collapse
|
32
|
Wang J, Cong L, Shi W, Xu W, Xu S. Single-Cell Analysis and Classification according to Multiplexed Proteins via Microdroplet-Based Self-Driven Magnetic Surface-Enhanced Raman Spectroscopy Platforms Assisted with Machine Learning Algorithms. Anal Chem 2023. [PMID: 37419505 DOI: 10.1021/acs.analchem.3c01273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
A microdroplet-based surface-enhanced Raman spectroscopy (microdroplet SERS) platform was constructed to envelop individual cells in microdroplets, followed by the SERS detection of their extracellular vesicle-proteins (EV-proteins) via the in-drop immunoassays by use of immunomagnetic beads (iMBs) and immuno-SERS tags (iSERS tags). A unique phenomenon is found that iMBs can start a spontaneous reorientation on the probed cell surface based on the electrostatic force-driven interfacial aggregation effect, which leads EV-proteins and iSERS tags to be gathered from a liquid phase to a cell membrane interface and significantly improves SERS sensitivity to the single-cell analysis level due to the formation of numbers of SERS hotspots. Three EV-proteins from two breast cancer cell lines were collected and further analyzed by machine learning algorithmic tools, which will be helpful for a deeper understanding of breast cancer subtypes from the view of EV-proteins.
Collapse
Affiliation(s)
- Jiaqi Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Lili Cong
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Wei Shi
- Key Lab for Molecular Enzymology & Engineering of Ministry of Education, Jilin University, Changchun 130012, P. R. China
| | - Weiqing Xu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
- Institute of Theoretical Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Shuping Xu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
- State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, P. R. China
- Center for Supramolecular Chemical Biology, College of Chemistry, Jilin University, Changchun 130012, P. R. China
- Institute of Theoretical Chemistry, Jilin University, Changchun 130012, P. R. China
| |
Collapse
|
33
|
Hu Y, Zhang H, Wang S, Cao L, Zhou F, Jing Y, Su J. Bone/cartilage organoid on-chip: Construction strategy and application. Bioact Mater 2023; 25:29-41. [PMID: 37056252 PMCID: PMC10087111 DOI: 10.1016/j.bioactmat.2023.01.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
The necessity of disease models for bone/cartilage related disorders is well-recognized, but the barrier between ex-vivo cell culture, animal models and the real human body has been pending for decades. The organoid-on-a-chip technique showed opportunity to revolutionize basic research and drug screening for diseases like osteoporosis and arthritis. The bone/cartilage organoid on-chip (BCoC) system is a novel platform of multi-tissue which faithfully emulate the essential elements, biologic functions and pathophysiological response under real circumstances. In this review, we propose the concept of BCoC platform, summarize the basic modules and current efforts to orchestrate them on a single microfluidic system. Current disease models, unsolved problems and future challenging are also discussed, the aim should be a deeper understanding of diseases, and ultimate realization of generic ex-vivo tools for further therapeutic strategies of pathological conditions.
Collapse
|
34
|
Loyez M, Adolphson M, Liao J, Yang L. From Whispering Gallery Mode Resonators to Biochemical Sensors. ACS Sens 2023. [PMID: 37390481 DOI: 10.1021/acssensors.2c02876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
Optical biosensors are frontrunners for the rapid and real-time detection of analytes, particularly for low concentrations. Among them, whispering gallery mode (WGM) resonators have recently attracted a growing focus due to their robust optomechanical features and high sensitivity, measuring down to single binding events in small volumes. In this review, we provide a broad overview of WGM sensors along with critical advice and additional "tips and tricks" to make them more accessible to both biochemical and optical communities. Their structures, fabrication methods, materials, and surface functionalization chemistries are discussed. We propose this reflection under a pedagogical approach to describe and explain these biochemical sensors with a particular focus on the most recent achievements in the field. In addition to highlighting the advantages of WGM sensors, we also discuss and suggest strategies to overcome their current limitations, leaving room for further development as practical tools in various applications. We aim to provide new insights and combine different knowledge and perspectives to advance the development of the next generation of WGM biosensors. With their unique advantages and compatibility with different sensing modalities, these biosensors have the potential to become major game changers for biomedical and environmental monitoring, among many other relevant target applications.
Collapse
Affiliation(s)
- Médéric Loyez
- Department of Electrical & Systems Engineering, Washington University, One Brookings Drive Green Hall 2120F, St. Louis, Missouri 63130, United States
| | - Maxwell Adolphson
- Department of Electrical & Systems Engineering, Washington University, One Brookings Drive Green Hall 2120F, St. Louis, Missouri 63130, United States
| | - Jie Liao
- Department of Electrical & Systems Engineering, Washington University, One Brookings Drive Green Hall 2120F, St. Louis, Missouri 63130, United States
| | - Lan Yang
- Department of Electrical & Systems Engineering, Washington University, One Brookings Drive Green Hall 2120F, St. Louis, Missouri 63130, United States
| |
Collapse
|
35
|
Guan X, Lu D, Chen Z, Wang Z, Zhou G, Fan Y. Non-invasive detection of bladder cancer via microfluidic immunoassay of the protein biomarker NMP22. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 37377044 DOI: 10.1039/d3ay00664f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Bladder cancer (BC) is a malignant tumor that occurs in the bladder mucosa and has a high morbidity and mortality rate. Early diagnosis means that cystoscopy-aided imaging is invasive and pricey. Microfluidic immunoassay enables noninvasive detection of early BC. However, its clinical applications are limited due to the poor internal design and hydrophobic surface of polydimethylsiloxane (PDMS) chip. This study aims to design a PDMS chip with right-moon capture arrays and prepare a hydrophilic surface by APTES with different concentrations (PDMS-three-step: O2 plasma-5-98% APTES), which facilitates early detection of BC with enhanced sensitivity. Simulations showed that the right-moon arrays in the capture chamber reduced the flow velocity and shear stress of the target molecule NMP22, improving the capture performance of the chip. PDMS-three-step surface was measured by X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), contact angle, and antibody immobilization. The results displayed that the contact angle of PDMS-three-step remained in the range of 40° to 50° even after 30 days of exposure to air, leading to a more stable hydrophilic surface. The effectiveness of the PDMS chip was assessed via the quantitative immunoassay of the protein marker NMP22 and its sensitivity analysis to urine. After the assessment, the LOD of NMP22 was 2.57 ng mL-1, and the sensitivity was 86.67%, which proved that the PDMS chip was effective. Thus, this study provided a novel design and modification method of the microfluidic chip for the early detection of BC.
Collapse
Affiliation(s)
- Xiali Guan
- School of Biological Science and Medical Engineering, Beihang University, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing 100083, China.
| | - Da Lu
- School of Biological Science and Medical Engineering, Beihang University, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing 100083, China.
| | - Zhigang Chen
- School of Biological Science and Medical Engineering, Beihang University, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing 100083, China.
| | - Zhuya Wang
- School of Biological Science and Medical Engineering, Beihang University, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing 100083, China.
| | - Gang Zhou
- School of Biological Science and Medical Engineering, Beihang University, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing 100083, China.
- Shenzhen Research Institute, Beihang University, Shenzhen, 518057, China
| | - Yubo Fan
- School of Biological Science and Medical Engineering, Beihang University, Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing 100083, China.
- Shenzhen Research Institute, Beihang University, Shenzhen, 518057, China
| |
Collapse
|
36
|
Trinh TND, Do HDK, Nam NN, Dan TT, Trinh KTL, Lee NY. Droplet-Based Microfluidics: Applications in Pharmaceuticals. Pharmaceuticals (Basel) 2023; 16:937. [PMID: 37513850 PMCID: PMC10385691 DOI: 10.3390/ph16070937] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/19/2023] [Accepted: 06/25/2023] [Indexed: 07/30/2023] Open
Abstract
Droplet-based microfluidics offer great opportunities for applications in various fields, such as diagnostics, food sciences, and drug discovery. A droplet provides an isolated environment for performing a single reaction within a microscale-volume sample, allowing for a fast reaction with a high sensitivity, high throughput, and low risk of cross-contamination. Owing to several remarkable features, droplet-based microfluidic techniques have been intensively studied. In this review, we discuss the impact of droplet microfluidics, particularly focusing on drug screening and development. In addition, we surveyed various methods of device fabrication and droplet generation/manipulation. We further highlight some promising studies covering drug synthesis and delivery that were updated within the last 5 years. This review provides researchers with a quick guide that includes the most up-to-date and relevant information on the latest scientific findings on the development of droplet-based microfluidics in the pharmaceutical field.
Collapse
Affiliation(s)
- Thi Ngoc Diep Trinh
- Department of Materials Science, School of Applied Chemistry, Tra Vinh University, Tra Vinh City 87000, Vietnam
| | - Hoang Dang Khoa Do
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ward 13, District 04, Ho Chi Minh City 70000, Vietnam
| | - Nguyen Nhat Nam
- Biotechnology Center, School of Agriculture and Aquaculture, Tra Vinh University, Tra Vinh City 87000, Vietnam
| | - Thach Thi Dan
- Department of Materials Science, School of Applied Chemistry, Tra Vinh University, Tra Vinh City 87000, Vietnam
| | - Kieu The Loan Trinh
- BioNano Applications Research Center, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Republic of Korea
| | - Nae Yoon Lee
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Republic of Korea
| |
Collapse
|
37
|
An L, Ji F, Zhao E, Liu Y, Liu Y. Measuring cell deformation by microfluidics. Front Bioeng Biotechnol 2023; 11:1214544. [PMID: 37434754 PMCID: PMC10331473 DOI: 10.3389/fbioe.2023.1214544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/14/2023] [Indexed: 07/13/2023] Open
Abstract
Microfluidics is an increasingly popular method for studying cell deformation, with various applications in fields such as cell biology, biophysics, and medical research. Characterizing cell deformation offers insights into fundamental cell processes, such as migration, division, and signaling. This review summarizes recent advances in microfluidic techniques for measuring cellular deformation, including the different types of microfluidic devices and methods used to induce cell deformation. Recent applications of microfluidics-based approaches for studying cell deformation are highlighted. Compared to traditional methods, microfluidic chips can control the direction and velocity of cell flow by establishing microfluidic channels and microcolumn arrays, enabling the measurement of cell shape changes. Overall, microfluidics-based approaches provide a powerful platform for studying cell deformation. It is expected that future developments will lead to more intelligent and diverse microfluidic chips, further promoting the application of microfluidics-based methods in biomedical research, providing more effective tools for disease diagnosis, drug screening, and treatment.
Collapse
Affiliation(s)
- Ling An
- School of Engineering, Dali University, Dali, Yunnan, China
| | - Fenglong Ji
- School of Textile Materials and Engineering, Wuyi University, Jiangmen, Guangdong, China
| | - Enming Zhao
- School of Engineering, Dali University, Dali, Yunnan, China
| | - Yi Liu
- School of Engineering, Dali University, Dali, Yunnan, China
| | - Yaling Liu
- Department of Bioengineering, Lehigh University, Bethlehem, PA, United States
- Department of Mechanical Engineering and Mechanics, Lehigh University, Bethlehem, PA, United States
| |
Collapse
|
38
|
González-Lana S, Randelovic T, Ciriza J, López-Valdeolivas M, Monge R, Sánchez-Somolinos C, Ochoa I. Surface modifications of COP-based microfluidic devices for improved immobilisation of hydrogel proteins: long-term 3D culture with contractile cell types and ischaemia model. LAB ON A CHIP 2023; 23:2434-2446. [PMID: 37013698 DOI: 10.1039/d3lc00075c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The tissue microenvironment plays a crucial role in tissue homeostasis and disease progression. However, the in vitro simulation has been limited by the lack of adequate biomimetic models in the last decades. Thanks to the advent of microfluidic technology for cell culture applications, these complex microenvironments can be recreated by combining hydrogels, cells and microfluidic devices. Nevertheless, this advance has several limitations. When cultured in three-dimensional (3D) hydrogels inside microfluidic devices, contractile cells may exert forces that eventually collapse the 3D structure. Disrupting the compartmentalisation creates an obstacle to long-term or highly cell-concentrated assays, which are extremely relevant for multiple applications such as fibrosis or ischaemia. Therefore, we tested surface treatments on cyclic-olefin polymer-based microfluidic devices (COP-MD) to promote the immobilisation of collagen as a 3D matrix protein. Thus, we compared three surface treatments in COP devices for culturing human cardiac fibroblasts (HCF) embedded in collagen hydrogels. We determined the immobilisation efficiency of collagen hydrogel by quantifying the hydrogel transversal area within the devices at the studied time points. Altogether, our results indicated that surface modification with polyacrylic acid photografting (PAA-PG) of COP-MD is the most effective treatment to avoid the quick collapse of collagen hydrogels. As a proof-of-concept experiment, and taking advantage of the low-gas permeability properties of COP-MD, we studied the application of PAA-PG pre-treatment to generate a self-induced ischaemia model. Different necrotic core sizes were developed depending on initial HCF density seeding with no noticeable gel collapse. We conclude that PAA-PG allows long-term culture, gradient generation and necrotic core formation of contractile cell types such as myofibroblasts. This novel approach will pave the way for new relevant in vitro co-culture models where fibroblasts play a key role such as wound healing, tumour microenvironment and ischaemia within microfluidic devices.
Collapse
Affiliation(s)
- Sandra González-Lana
- Tissue Microenvironment (TME) Lab. Aragón Institute of Engineering Research (I3A), University of Zaragoza, C/ Mariano Esquillor s/n, 500018 Zaragoza, Spain.
- BEONCHIP S.L., CEMINEM, Campus Río Ebro. C/ Mariano Esquillor Gómez s/n, 50018 Zaragoza, Spain
| | - Teodora Randelovic
- Tissue Microenvironment (TME) Lab. Aragón Institute of Engineering Research (I3A), University of Zaragoza, C/ Mariano Esquillor s/n, 500018 Zaragoza, Spain.
- Institute for Health Research Aragón (IIS Aragón), Paseo de Isabel La Católica 1-3, 50009 Zaragoza, Spain
- CIBER in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Jesús Ciriza
- Tissue Microenvironment (TME) Lab. Aragón Institute of Engineering Research (I3A), University of Zaragoza, C/ Mariano Esquillor s/n, 500018 Zaragoza, Spain.
- Institute for Health Research Aragón (IIS Aragón), Paseo de Isabel La Católica 1-3, 50009 Zaragoza, Spain
| | - María López-Valdeolivas
- Aragón Institute of Nanoscience and Materials (INMA), Department of Condensed Matter Physics (Faculty of Science), CSIC-University of Zaragoza, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Rosa Monge
- BEONCHIP S.L., CEMINEM, Campus Río Ebro. C/ Mariano Esquillor Gómez s/n, 50018 Zaragoza, Spain
| | - Carlos Sánchez-Somolinos
- CIBER in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
- Aragón Institute of Nanoscience and Materials (INMA), Department of Condensed Matter Physics (Faculty of Science), CSIC-University of Zaragoza, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Ignacio Ochoa
- Tissue Microenvironment (TME) Lab. Aragón Institute of Engineering Research (I3A), University of Zaragoza, C/ Mariano Esquillor s/n, 500018 Zaragoza, Spain.
- Institute for Health Research Aragón (IIS Aragón), Paseo de Isabel La Católica 1-3, 50009 Zaragoza, Spain
- CIBER in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| |
Collapse
|
39
|
Garmasukis R, Hackl C, Charvat A, Mayr SG, Abel B. Rapid prototyping of microfluidic chips enabling controlled biotechnology applications in microspace. Curr Opin Biotechnol 2023; 81:102948. [PMID: 37163825 DOI: 10.1016/j.copbio.2023.102948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 03/30/2023] [Indexed: 05/12/2023]
Abstract
Rapid prototyping of microfluidic chips is a key enabler for controlled biotechnology applications in microspaces, as it allows for the efficient design and production of microfluidic systems. With rapid prototyping, researchers and engineers can quickly create and test new microfluidic chip designs, which can then be optimized for specific applications in biotechnology. One of the key advantages of microfluidic chips for biotechnology is the ability to manipulate and control biological samples in a microspace, which enables precise and controlled experiments under well-defined conditions. This is particularly useful for applications such as cell culture, drug discovery, and diagnostic assays, where precise control over the biological environment is crucial for obtaining accurate results. Established methods, for example, soft lithography, 3D printing, injection molding, as well as other recently highlighted innovative approaches, will be compared and challenges as well as limitations will be discussed. It will be shown that rapid prototyping of microfluidic chips enables the use of advanced materials and technologies, such as smart materials and digital sensors, which can further enhance the capabilities of microfluidic systems for biotechnology applications. Overall, rapid prototyping of microfluidic chips is an important enabling technology for controlled biotechnology applications in microspaces, as well as for upscaling it into macroscopic bioreactors, and its continued development and improvement will play a critical role in advancing the field. The review will highlight recent trends in terms of materials and competing approaches and shed light on current challenges on the way toward integrated microtechnologies. Also, the possibility to easy and direct implementation of novel functions (membranes, functionalization of interfaces, etc.) is discussed.
Collapse
Affiliation(s)
- Rokas Garmasukis
- Leibniz-Institute of Surface Engineering Leipzig (IOM), Permoserstr. 15, 04318 Leipzig, Germany; Helmholtz-Centre for Environmental Research (UFZ), Permoserstr.15, 04318 Leipzig, Germany
| | - Claudia Hackl
- Leibniz-Institute of Surface Engineering Leipzig (IOM), Permoserstr. 15, 04318 Leipzig, Germany
| | - Ales Charvat
- Institute of Chemical Technology, University Leipzig, Linnéstr. 3, 04103 Leipzig, Germany
| | - Stefan G Mayr
- Leibniz-Institute of Surface Engineering Leipzig (IOM), Permoserstr. 15, 04318 Leipzig, Germany
| | - Bernd Abel
- Institute of Chemical Technology, University Leipzig, Linnéstr. 3, 04103 Leipzig, Germany.
| |
Collapse
|
40
|
Zhu J, Liu S, Xu Y, Xing J, Chen B, Gu Z, Zhang Z, Zhao C, Harada A, Yoshioka H, Oki Y. Phase wavefront perturbation calculation model for spectroscopic refractive index matching of hybrid materials. APPLIED OPTICS 2023; 62:3330-3337. [PMID: 37132833 DOI: 10.1364/ao.486863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
A low-cost flexible spectroscopic refractive index matching (SRIM) material with bandpass filtering properties without incidence angle and polarization dependence by randomly dispersing inorganic C a F 2 particles in organic polydimethylsiloxane (PDMS) materials was proposed in our previous study. Since the micron size of the dispersed particles is much larger than the visible wavelength, the calculation based on the commonly used finite-difference time-domain (FDTD) method to simulate light propagation through the SRIM material is too bulky; however, on the other hand, the light tracing method based on Monte Carlo theory in our previous study cannot adequately explain the process. Therefore, a novel approximate calculation model, to the best of our knowledge, based on phase wavefront perturbation is proposed that can well explain the propagation of light through this SRIM sample material and can also be used to approximate the soft scattering of light through composite materials with small refractive index differences, such as translucent ceramics. The model simplifies the complex superposition of wavefront phase disturbances and the calculation of scattered light propagation in space. The scattered and nonscattered light ratios; the light intensity distribution after transmission through the spectroscopic material; and the influence of absorption attenuation of the PDMS organic material on the spectroscopic performance are also considered. The simulation results based on the model are in great agreement with the experimental results. This work is important to further improve the performance of SRIM materials.
Collapse
|
41
|
Singh N, Kumar A, Ghatak A. Studying kinetics of a surface reaction using elastocapillary effect. J Colloid Interface Sci 2023; 645:266-275. [PMID: 37150000 DOI: 10.1016/j.jcis.2023.04.103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 04/18/2023] [Accepted: 04/21/2023] [Indexed: 05/09/2023]
Abstract
HYPOTHESIS When a liquid is inserted inside a microfluidic channel, embedded within a soft elastomeric layer, e.g. poly(dimethylsiloxane) (PDMS), the thin wall of the channel deforms, due to change in solid-liquid interfacial energy. This phenomenon is known as Elastocapillary effect. The evolution of a new species at this interface too alters the interfacial energy and consequently the extent of deformation. Hence, it should be possible to monitor dynamics of physical and chemical events occurring near to the solid-liquid interface by measuring this deformation by a suitable method, e.g., optical profilometer. EXPERIMENTS Aqueous solution of a metal salt inserted into these channels reacts with Silicon-hydride present in PDMS, yielding metallic nanoparticles at the channel surface. The kinetics of this reaction was captured in real time, by measuring the wall deformation. Similarly, physical adsorption of a protein: Bovine Serum Albumin, on PDMS surface too was monitored. FINDING The rate of change in deformation can be related to rate of these processes to extract the respective reaction rate constant. These results show that Elastocapillary effect can be a viable analytical tool for in-situ monitoring of many physical and chemical processes for which, the reaction site is inaccessible to conventional analytical methods.
Collapse
Affiliation(s)
- Nitish Singh
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, 208016, India
| | - Ajeet Kumar
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, 208016, India
| | - Animangsu Ghatak
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, 208016, India; Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, 208016, India.
| |
Collapse
|
42
|
Liao TY, King PC, Zhu D, Crawford RJ, Ivanova EP, Thissen H, Kingshott P. Surface Characteristics and Bone Biocompatibility of Cold-Sprayed Porous Titanium on Polydimethylsiloxane Substrates. ACS Biomater Sci Eng 2023; 9:1402-1421. [PMID: 36813258 DOI: 10.1021/acsbiomaterials.2c01506] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
A variant of the cold spray (CS) technique was applied for the functionalization of polymer-based materials such as polydimethylsiloxane (PDMS) to improve the extent of mammalian cell interactions with these substrates. This was demonstrated by the embedment of porous titanium (pTi) into PDMS substrates using a single-step CS technique. CS processing parameters such as gas pressure and temperature were optimized to achieve the mechanical interlocking of pTi in the compressed PDMS to fabricate a unique hierarchical morphology possessing micro-roughness. As evidenced by the preserved porous structure, the pTi particles did not undergo any significant plastic deformation upon impact with the polymer substrate. The thickness of the particle embedment layer was determined, by cross-sectional analysis, ranging from 120 μm to over 200 μm. The behavior of osteoblast-like cells MG63 coming into contact with the pTi-embedded PDMS was examined. The results showed that the pTi-embedded PDMS samples promoted 80-96% of cell adhesion and proliferation during the early stages of incubation. The low cytotoxicity of the pTi-embedded PDMS was confirmed, with cell viability of the MG63 cells being above 90%. Furthermore, the pTi-embedded PDMS facilitated the production of alkaline phosphatase and calcium deposition in the MG63 cells, as demonstrated by the higher amount of alkaline phosphatase (2.6 times) and calcium (10.6 times) on the pTi-embedded PDMS sample fabricated at 250 °C, 3 MPa. Overall, the work demonstrated that the CS process provided flexibility in the parameters used for the production of the modified PDMS substrates and is highly efficient for the fabrication of coated polymer products. The results obtained in this study suggest that a tailorable porous and rough architecture could be achieved that promoted osteoblast function, indicating that the method has promise in the design of titanium-polymer composite materials applied to biomaterials used in musculoskeletal applications.
Collapse
Affiliation(s)
- Tzu-Ying Liao
- School of Science, Computing & Engineering Technologies, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- CSIRO Manufacturing, Clayton, Victoria 3168, Australia
| | - Peter C King
- Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- CSIRO Manufacturing, Clayton, Victoria 3168, Australia
| | - Deming Zhu
- School of Science, Computing & Engineering Technologies, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
| | - Russell J Crawford
- Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- College of STEM, School of Science, RMIT University, Melbourne, Victoria 3000, Australia
| | - Elena P Ivanova
- Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- College of STEM, School of Science, RMIT University, Melbourne, Victoria 3000, Australia
| | - Helmut Thissen
- Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- CSIRO Manufacturing, Clayton, Victoria 3168, Australia
| | - Peter Kingshott
- School of Science, Computing & Engineering Technologies, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
- Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
| |
Collapse
|
43
|
Barua B, Durkin TJ, Beeley IM, Gadh A, Savagatrup S. Multiplexed and continuous microfluidic sensors using dynamic complex droplets. SOFT MATTER 2023; 19:1930-1940. [PMID: 36807488 DOI: 10.1039/d3sm00074e] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Emissive complex droplets with reconfigurable morphology and dynamic optical properties offer exciting opportunities as chemical sensors due to their stimuli-responsive characteristics. In this work, we demonstrated a real-time optical sensing platform that combines poly(dimethylsiloxane) (PDMS) microfluidics and complex droplets as sensing materials. We utilized a mechanism, called directional emission, to transduce changes in interfacial tension into optical signals. We discuss the fabrication and integration of PDMS microfluidics with complex emulsions to facilitate continuous measurement of fluorescent emission and, ultimately, the interfacial tensions. Furthermore, by varying the interfacial functionalization and fluorescent dye with characteristic wavelength, we generate multiple formulations of droplets and obtain differential responses to stimuli that alter interfacial tensions (i.e., composition of surfactants, pH). Our results illustrate a proof-of-concept multiplexed and continuous sensing platform with potential applications in miniaturized, on-site environmental monitoring and biosensing.
Collapse
Affiliation(s)
- Baishali Barua
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, USA.
| | - Tyler J Durkin
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, USA.
| | - Isabel M Beeley
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, USA.
| | - Aakanksha Gadh
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, USA.
| | - Suchol Savagatrup
- Department of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721, USA.
| |
Collapse
|
44
|
Wang A, Feng X, He G, Xiao Y, Zhong T, Yu X. Recent advances in digital microfluidic chips for food safety analysis: Preparation, mechanism and application. Trends Food Sci Technol 2023. [DOI: 10.1016/j.tifs.2023.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
|
45
|
A pH-Responsive Asymmetric Microfluidic/Chitosan Device for Drug Release in Infective Bone Defect Treatment. Int J Mol Sci 2023; 24:ijms24054616. [PMID: 36902046 PMCID: PMC10003349 DOI: 10.3390/ijms24054616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/12/2023] [Accepted: 02/17/2023] [Indexed: 03/02/2023] Open
Abstract
Bacterial infection is currently considered to be one of the major reasons that leads to the failure of guided bone regeneration (GBR) therapy. Under the normal condition, the pH is neutral, while the microenvironment will become acid at the sites of infection. Here, we present an asymmetric microfluidic/chitosan device that can achieve pH-responsive drug release to treat bacterial infection and promote osteoblast proliferation at the same time. On-demand release of minocycline relies on a pH-sensitive hydrogel actuator, which swells significantly when exposed to the acid pH of an infected region. The PDMAEMA hydrogel had pronounced pH-sensitive properties, and a large volume transition occurred at pH 5 and 6. Over 12 h, the device enabled minocycline solution flowrates of 0.51-1.63 µg/h and 0.44-1.13 µg/h at pH 5 and 6, respectively. The asymmetric microfluidic/chitosan device exhibited excellent capabilities for inhibiting Staphylococcus aureus and Streptococcus mutans growth within 24 h. It had no negative effect on proliferation and morphology of L929 fibroblasts and MC3T3-E1 osteoblasts, which indicates good cytocompatibility. Therefore, such a pH-responsive drug release asymmetric microfluidic/chitosan device could be a promising therapeutic approach in the treatment of infective bone defects.
Collapse
|
46
|
A Preliminary Experimental Study of Polydimethylsiloxane (PDMS)-To-PDMS Bonding Using Oxygen Plasma Treatment Incorporating Isopropyl Alcohol. Polymers (Basel) 2023; 15:polym15041006. [PMID: 36850290 PMCID: PMC9958961 DOI: 10.3390/polym15041006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
Polydimethylsiloxane (PDMS) is a widely used material for soft lithography and microfabrication. PDMS exhibits some promising properties suitable for building microfluidic devices; however, bonding PDMS to PDMS and PDMS to other materials for multilayer structures in microfluidic devices is still challenging due to the hydrophobic nature of the surface of PDMS. This paper presents a simple yet effective method to increase the bonding strength for PDMS-to-PDMS using isopropyl alcohol (IPA). The experiment was carried out to evaluate the bonding strength for both the natural-cured and the heat-cured PDMS layer. The results show the effectiveness of our approach in terms of the improved irreversible bonding strength, up to 3.060 MPa, for the natural-cured PDMS and 1.373 MPa for the heat-cured PDMS, while the best bonding strength with the existing method in literature is 1.9 MPa. The work is preliminary because the underlying mechanism is only speculative and open for future research.
Collapse
|
47
|
Cao Y, Chen X, Matarasso A, Wang Z, Song Y, Wu G, Zhang X, Sun H, Wang X, Bruchas MR, Li Y, Zhang Y. Covalently Attached Slippery Surface Coatings to Reduce Protein Adsorptions on Poly(dimethylsiloxane) Planar Surfaces and 3D Microfluidic Channels. ACS APPLIED MATERIALS & INTERFACES 2023; 15:10.1021/acsami.2c20834. [PMID: 36763047 PMCID: PMC10412728 DOI: 10.1021/acsami.2c20834] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Silicone elastomers, such as poly(dimethylsiloxane) (PDMS), have a broad range of applications in basic biomedical research and clinical medicine, ranging from the preparation of microfluidic devices for organs-on-chips and ventriculoperitoneal shunts for the treatment of hydrocephalus to implantable neural probes for neuropharmacology. Despite the importance, the protein adsorptions on silicone elastomers in these application environments represent a significant challenge. Surface coatings with slippery lubricants, inspired by the Nepenthes pitcher plants, have recently received much attention for reducing protein adsorptions. Nevertheless, the depletion of the physically infused lubricants limits their broad applications. In this study, we report a covalently attached slippery surface coating to reduce protein adsorptions on PDMS surfaces. As demonstrations, we show that the adsorption of serum proteins, human fibrinogen and albumin, can be significantly reduced by the slippery surface coating in both planar PDMS surfaces and 3D microfluidic channels. The preparation of slippery surface coatings relies on the acid-catalyzed polycondensation reaction of dimethyldimethoxysilane, which utilizes a low-cost and scalable dip-coating method. Furthermore, cell metabolic activity and viability studies demonstrate the biocompatibility of the surface coating. These results suggest the potential applications of slippery surface coatings to reduce protein adsorptions for implantable medical devices, organs-on-chips, and many others.
Collapse
Affiliation(s)
- Yue Cao
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Xingchi Chen
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL 32306, USA
| | - Avi Matarasso
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
| | - Zizheng Wang
- Department of Materials Science and Engineering and the Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Yang Song
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Guangfu Wu
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Xincheng Zhang
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - He Sun
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Xueju Wang
- Department of Materials Science and Engineering and the Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| | - Michael R. Bruchas
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA 98195, USA
- Center for Neurobiology of Addiction, Pain, and Emotion, University of Washington, Seattle, WA 98195, USA
- Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Yan Li
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Florida State University, Tallahassee, FL 32306, USA
| | - Yi Zhang
- Department of Biomedical Engineering and the Institute of Materials Science, University of Connecticut, Storrs, CT 06269, USA
| |
Collapse
|
48
|
Fu W, Sun M, Zhang J, Xuanyuan T, Liu X, Zhou Y, Liu W. Combinatorial Drug Screening Based on Massive 3D Tumor Cultures Using Micropatterned Array Chips. Anal Chem 2023; 95:2504-2512. [PMID: 36651128 DOI: 10.1021/acs.analchem.2c04816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The establishment and application of a generalizable three-dimensional (3D) tumor device for high-throughput screening plays an important role in drug discovery and cancer therapeutics. In this study, we introduce a facile microplatform for considerable 3D tumor generation and combinatorial drug screening evaluation. High fidelity of chip fabrication was achieved depending on the simple and well-improved microcontact printing. We demonstrated the high stability and repeatability of the established tumor-on-a-chip system for controllable and massive production of 3D tumors with high size uniformity. Importantly, we accomplished the screening-like chemotherapy investigation involving individual and combinatorial drugs and validated the high accessibility and applicability of the system in 3D tumor-based manipulation and analysis on a large scale. This achievement in tumor-on-a-chip has potential applications in plenty of biomedical fields such as tumor biology, pharmacology, and tissue microengineering. It offers an insight into the development of the popularized microplatform with easy-to-fabricate and easy-to-operate properties for cancer exploration and therapy.
Collapse
Affiliation(s)
- Wenzhu Fu
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Meilin Sun
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Jinwei Zhang
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Tingting Xuanyuan
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Xufang Liu
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Yujie Zhou
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| | - Wenming Liu
- Departments of Biomedical Engineering and Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan 410013, China
| |
Collapse
|
49
|
Feng Z, Su X, Wang T, Sun X, Yang H, Guo S. The Role of Microsphere Structures in Bottom-Up Bone Tissue Engineering. Pharmaceutics 2023; 15:pharmaceutics15020321. [PMID: 36839645 PMCID: PMC9964570 DOI: 10.3390/pharmaceutics15020321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/04/2023] [Accepted: 01/12/2023] [Indexed: 01/20/2023] Open
Abstract
Bone defects have caused immense healthcare concerns and economic burdens throughout the world. Traditional autologous allogeneic bone grafts have many drawbacks, so the emergence of bone tissue engineering brings new hope. Bone tissue engineering is an interdisciplinary biomedical engineering method that involves scaffold materials, seed cells, and "growth factors". However, the traditional construction approach is not flexible and is unable to adapt to the specific shape of the defect, causing the cells inside the bone to be unable to receive adequate nourishment. Therefore, a simple but effective solution using the "bottom-up" method is proposed. Microspheres are structures with diameters ranging from 1 to 1000 µm that can be used as supports for cell growth, either in the form of a scaffold or in the form of a drug delivery system. Herein, we address a variety of strategies for the production of microspheres, the classification of raw materials, and drug loading, as well as analyze new strategies for the use of microspheres in bone tissue engineering. We also consider new perspectives and possible directions for future development.
Collapse
Affiliation(s)
- Ziyi Feng
- Department of Plastic Surgery, The First Hospital of China Medical University, No. 155, Nanjing North Street, Heping District, Shenyang 110002, China; (Z.F.); (X.S.); (T.W.)
| | - Xin Su
- Department of Plastic Surgery, The First Hospital of China Medical University, No. 155, Nanjing North Street, Heping District, Shenyang 110002, China; (Z.F.); (X.S.); (T.W.)
| | - Ting Wang
- Department of Plastic Surgery, The First Hospital of China Medical University, No. 155, Nanjing North Street, Heping District, Shenyang 110002, China; (Z.F.); (X.S.); (T.W.)
| | - Xiaoting Sun
- School of Forensic Medicine, China Medical University, No. 77, Puhe Road, Shenyang 110122, China
- Correspondence: (X.S.); (S.G.)
| | - Huazhe Yang
- School of Intelligent Medicine, China Medical University, No. 77, Puhe Road, Shenyang 110122, China;
| | - Shu Guo
- Department of Plastic Surgery, The First Hospital of China Medical University, No. 155, Nanjing North Street, Heping District, Shenyang 110002, China; (Z.F.); (X.S.); (T.W.)
- Correspondence: (X.S.); (S.G.)
| |
Collapse
|
50
|
Ma Y, Liu C, Cao S, Chen T, Chen G. Microfluidics for diagnosis and treatment of cardiovascular disease. J Mater Chem B 2023; 11:546-559. [PMID: 36542463 DOI: 10.1039/d2tb02287g] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cardiovascular disease (CVD), a type of circulatory system disease related to the lesions of the cardiovascular system, has become one of the main diseases that endanger human health. Currently, the clinical diagnosis of most CVDs relies on a combination of imaging technology and blood biochemical test. However, the existing technologies for diagnosis of CVDs still have limitations in terms of specificity, detection range, and cost. In order to break through the current bottleneck, microfluidic with the advantages of low cost, simple instruments and easy integration, has been developed to play an important role in the early prevention, diagnosis and treatment of CVDs. Here, we have reviewed the recent various applications of microfluidic in the clinical diagnosis and treatment of CVDs, including microfluidic devices for detecting CVD markers, the cardiovascular models based on microfluidic, and the microfluidic used for CVDs drug screening and delivery. In addition, we have briefly looked forward to the prospects and challenges of microfluidics in diagnosis and treatment of CVDs.
Collapse
Affiliation(s)
- Yonggeng Ma
- School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Chenbin Liu
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital of Tongji University, Shanghai 200072, P. R. China
| | - Siyu Cao
- School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Tianshu Chen
- Department of Clinical Laboratory Medicine, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
| | - Guifang Chen
- School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
| |
Collapse
|