1
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Behr JM, Wong YS, Venkatraman S. Small-Diameter Blood Vessel Substitutes: Biomimetic Approaches to Improve Patency. Biomimetics (Basel) 2024; 9:97. [PMID: 38392143 PMCID: PMC10886630 DOI: 10.3390/biomimetics9020097] [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: 12/02/2023] [Revised: 12/22/2023] [Accepted: 01/04/2024] [Indexed: 02/24/2024] Open
Abstract
Small-dimeter blood vessels (<6 mm) are required in coronary bypass and peripheral bypass surgery to circumvent blocked arteries. However, they have poor patency rates due to thrombus formation, intimal hyperplasia at the distal anastomosis, and compliance mismatch between the native artery and the graft. This review covers the state-of-the-art technologies for improving graft patency with a focus on reducing compliance mismatch between the prosthesis and the native artery. The focus of this article is on biomimetic design strategies to match the compliance over a wide pressure range.
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Affiliation(s)
- Jean-Marc Behr
- SMD Swiss Medical Devices AG, 8222 Beringen, Switzerland
| | - Yee Shan Wong
- Biomedical Engineering, School of Engineering, Temasek Polytechnic, Singapore 529757, Singapore
| | - Subbu Venkatraman
- Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
- iHealthTech, National University of Singapore, Singapore 117599, Singapore
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2
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Hu G, Li G, Chen L, Hong FF. Production of novel elastic bacterial nanocellulose/polyvinyl alcohol conduits via mercerization and phase separation for small-caliber vascular grafts application. Int J Biol Macromol 2023; 239:124221. [PMID: 36990400 DOI: 10.1016/j.ijbiomac.2023.124221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/10/2023] [Accepted: 03/24/2023] [Indexed: 03/29/2023]
Abstract
Size and properties of tubular bacterial nanocellulose (BNC) can be regulated by controllable mercerization with thinner tube walls, better mechanical properties, and improved biocompatibility. Although mercerized BNC (MBNC) conduits have considerable potential as small-caliber vascular grafts (<6 mm), poor suture retention and lack of compliance that cannot match natural blood vessels increase the difficulty of surgery and limit potential clinical application. Polyvinyl alcohol (PVA) is a kind of hydrophilic polymer with good biocompatibility and elasticity, which can precipitate in alkaline solutions. In this study, novel elastic mercerized BNC/PVA conduits (MBP) are manufactured combining mercerization of BNC tubes with precipitation and phase separation of PVA with thinner tube wall, improved suture retention, better elasticity, good hemocompatibility and great cytocompatibility. The MBP obtained with 12.5 % PVA is selected for transplantation in a rat abdominal aorta model. For 32 weeks, normal blood flow is observed using Doppler sonographic inspection, which demonstrates long-term patency. Immunofluorescence staining results also indicate the formation of endothelium and smooth muscle layers. The results indicate the introduction of PVA, and its phase separation into mercerization of tubular BNC can endow MBP conduits with better compliance and suture retention, making it a promising candidate for blood vessel replacement.
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Affiliation(s)
- Gaoquan Hu
- College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, China
| | - Geli Li
- College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, China
| | - Lin Chen
- College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, China; National Advanced Functional Fiber Innovation Center, Wu Jiang, Su Zhou, China
| | - Feng F Hong
- College of Biological Science and Medical Engineering, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, China; National Advanced Functional Fiber Innovation Center, Wu Jiang, Su Zhou, China; Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, Donghua University, Shanghai 201620, China.
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3
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Afonso E, Bayat F, Ladouceur L, Khan S, Martínez-Gómez A, Weitz JI, Hosseinidoust Z, Tiemblo P, García N, Didar TF. Highly Stable Hierarchically Structured All-Polymeric Lubricant-Infused Films Prevent Thrombosis and Repel Multidrug-Resistant Pathogens. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53535-53545. [PMID: 36413608 DOI: 10.1021/acsami.2c17309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Thrombus formation and infections caused by bacterial adhesion are the most common causes of failure in blood-contacting medical devices. Reducing the interaction of pathogens using repellent surfaces has proven to be a successful strategy in preventing device failure. However, designing scale-up methodologies to create large-scale repellent surfaces remains challenging. To address this need, we have created an all-polymeric lubricant-infused system using an industrially viable swelling-coagulation solvent (S-C) method. This induces hierarchically structured micro/nano features onto the surface, enabling improved lubricant infusion. Poly(3,3,3-trifluoropropylmethylsiloxane) (PTFS) was used as the lubricant of choice, a previously unexplored omniphobic nonvolatile silicone oil. This resulted in all-polymeric liquid-infused surfaces that are transparent and flexible with long-term stability. Repellent properties have been demonstrated using human whole blood and methicillin-resistant Staphylococcus aureus (MRSA) bacteria matrices, with lubricated surfaces showing 93% reduction in blood stains and 96.7% reduction in bacterial adherence. The developed material has the potential to prevent blood and pathogenic contamination for a range biomedical devices within healthcare settings.
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Affiliation(s)
- Elisabet Afonso
- Department of Physical Chemistry of Polymers, Institute of Polymer Science and Technology, Spanish Research Council, Madrid 28006, Spain
| | - Fereshteh Bayat
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario L9S 8L7, Canada
| | - Liane Ladouceur
- Department of Mechanical Engineering, McMaster University, Hamilton, Ontario L8S 4L8, Canada
| | - Shadman Khan
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario L9S 8L7, Canada
| | - Aránzazu Martínez-Gómez
- Department of Physical Chemistry of Polymers, Institute of Polymer Science and Technology, Spanish Research Council, Madrid 28006, Spain
| | - Jeffrey I Weitz
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario L9S 8L7, Canada
- Department of Medicine, 1280 Main St W, McMaster University, Hamilton, Ontario L8S 4L8, Canada
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main St W, Hamilton, Ontario L8S 4L8, Canada
- Thrombosis & Atherosclerosis Research Institute (TaARI), 237 Barton Street East, Hamilton, Ontario L8L 2X2, Canada
| | - Zeinab Hosseinidoust
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario L9S 8L7, Canada
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario L9S 8L7, Canada
- Michael DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario L98 4L8, Canada
| | - Pilar Tiemblo
- Department of Physical Chemistry of Polymers, Institute of Polymer Science and Technology, Spanish Research Council, Madrid 28006, Spain
| | - Nuria García
- Department of Physical Chemistry of Polymers, Institute of Polymer Science and Technology, Spanish Research Council, Madrid 28006, Spain
| | - Tohid F Didar
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario L9S 8L7, Canada
- Department of Mechanical Engineering, McMaster University, Hamilton, Ontario L8S 4L8, Canada
- Michael DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario L98 4L8, Canada
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4
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Yang Y, Zhu Q, Xu LP, Zhang X. Bioinspired liquid-infused surface for biomedical and biosensing applications. Front Bioeng Biotechnol 2022; 10:1032640. [PMID: 36246360 PMCID: PMC9557121 DOI: 10.3389/fbioe.2022.1032640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 09/13/2022] [Indexed: 11/18/2022] Open
Abstract
Nature always inspires us to develop advanced materials for diverse applications. The liquid-infused surface (LIS) inspired by Nepenthes pitcher plants has aroused broad interest in fabricating anti-biofouling materials over the past decade. The infused liquid layer on the solid substrate repels immiscible fluids and displays ultralow adhesion to various biomolecules. Due to these fascinating features, bioinspired LIS has been applied in biomedical-related fields. Here, we review the recent progress of LIS in bioengineering, medical devices, and biosensing, and highlight how the infused liquid layer affects the performance of medical materials. The prospects for the future trend of LIS are also presented.
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Affiliation(s)
- Yuemeng Yang
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Qinglin Zhu
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Li-Ping Xu
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
- *Correspondence: Li-Ping Xu, ; Xueji Zhang,
| | - Xueji Zhang
- School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, China
- *Correspondence: Li-Ping Xu, ; Xueji Zhang,
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5
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Shakeri A, Khan S, Jarad NA, Didar TF. The Fabrication and Bonding of Thermoplastic Microfluidics: A Review. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15186478. [PMID: 36143790 PMCID: PMC9503322 DOI: 10.3390/ma15186478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/02/2022] [Accepted: 09/14/2022] [Indexed: 05/27/2023]
Abstract
Various fields within biomedical engineering have been afforded rapid scientific advancement through the incorporation of microfluidics. As literature surrounding biological systems become more comprehensive and many microfluidic platforms show potential for commercialization, the development of representative fluidic systems has become more intricate. This has brought increased scrutiny of the material properties of microfluidic substrates. Thermoplastics have been highlighted as a promising material, given their material adaptability and commercial compatibility. This review provides a comprehensive discussion surrounding recent developments pertaining to thermoplastic microfluidic device fabrication. Existing and emerging approaches related to both microchannel fabrication and device assembly are highlighted, with consideration toward how specific approaches induce physical and/or chemical properties that are optimally suited for relevant real-world applications.
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Affiliation(s)
- Amid Shakeri
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L7, Canada
| | - Shadman Khan
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada
| | - Noor Abu Jarad
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada
| | - Tohid F. Didar
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L7, Canada
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada
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6
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Shakeri A, Yousefi H, Jarad NA, Kullab S, Al-Mfarej D, Rottman M, Didar TF. Contamination and carryover free handling of complex fluids using lubricant-infused pipette tips. Sci Rep 2022; 12:14486. [PMID: 36008518 PMCID: PMC9411573 DOI: 10.1038/s41598-022-18756-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 08/18/2022] [Indexed: 11/25/2022] Open
Abstract
Cross-contamination of biological samples during handling and preparation, is a major issue in laboratory setups, leading to false-positives or false-negatives. Sample carryover residue in pipette tips contributes greatly to this issue. Most pipette tips on the market are manufactured with hydrophobic polymers that are able to repel high surface tension liquids, yet they lack in performance when low surface tension liquids and viscous fluids are involved. Moreover, hydrophobicity of pipette tips can result in hydrophobic adsorption of biomolecules, causing inaccuracies and loss in precision during pipetting. Here we propose the use of lubricant-infused surface (LIS) technology to achieve omniphobic properties in pipette tips. Using a versatile and simple design, the inner lumen of commercially available pipette tips was coated with a fluorosilane (FS) layer using chemical vapor deposition (CVD). The presence of FS groups on the tips is confirmed by x-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FTIR) tests. After lubrication of the tips through a fluorinated lubricant, the omniphobicity and repellent behaviour of the tips drastically enhanced which are revealed via static and hysteresis contact angle measurements. The repellency of the lubricant-infused pipette tips against physical adsorption is investigated through pipetting a food coloring dye as well as human blood samples and are compared to the untreated tips. The results show significantly less amount carryover residue when the lubricant-infused tips are utilized compared to commercially available ones. We also demonstrate the lubricant-infused tips reduce bacteria contamination of the inner lumen by 3 to 6-log (over 99%, depending on the tip size) after pipetting up and down the bacteria solution.
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Affiliation(s)
- Amid Shakeri
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada.
| | - Hanie Yousefi
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
- Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College Street, Toronto, ON, M5S 3M2, Canada
| | - Noor Abu Jarad
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 3L8, Canada
| | - Samer Kullab
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Dalya Al-Mfarej
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Martin Rottman
- Department of Microbiology and Innovative Biomarkers Platform, GH Université Paris Saclay, Hôpital Raymond Poincaré (APHP), Garches, France
- Laboratory of Infection and Inflammation U1173, School of Medicine Simone Veil Versailles Saint-Quentin-en-Yvelines University, Montigny le Bx, France
| | - Tohid F Didar
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada.
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 3L8, Canada.
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7
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Wang S, Liu Q, Cheng L, Wang L, Xu F, Yao C. Targeting biophysical cues to address platelet storage lesions. Acta Biomater 2022; 151:118-133. [PMID: 36028196 DOI: 10.1016/j.actbio.2022.08.039] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 08/06/2022] [Accepted: 08/17/2022] [Indexed: 11/30/2022]
Abstract
Platelets play vital roles in vascular repair, especially in primary hemostasis, and have been widely used in transfusion to prevent bleeding or manage active bleeding. Recently, platelets have been used in tissue repair (e.g., bone, skin, and dental alveolar tissue) and cell engineering as drug delivery carriers. However, the biomedical applications of platelets have been associated with platelet storage lesions (PSLs), resulting in poor clinical outcomes with reduced recovery, survival, and hemostatic function after transfusion. Accumulating evidence has shown that biophysical cues play important roles in platelet lesions, such as granule secretion caused by shear stress, adhesion affected by substrate stiffness, and apoptosis caused by low temperature. This review summarizes four major biophysical cues (i.e., shear stress, substrate stiffness, hydrostatic pressure, and thermal microenvironment) involved in the platelet preparation and storage processes, and discusses how they may synergistically induce PSLs such as platelet shape change, activation, apoptosis and clearance. We also review emerging methods for studying these biophysical cues in vitro and existing strategies targeting biophysical cues for mitigating PSLs. We conclude with a perspective on the future direction of biophysics-based strategies for inhibiting PSLs. STATEMENT OF SIGNIFICANCE: Platelet storage lesions (PSLs) involve a series of structural and functional changes. It has long been accepted that PSLs are initiated by biochemical cues. Our manuscript is the first to propose four major biophysical cues (shear stress, substrate stiffness, hydrostatic pressure, and thermal microenvironment) that platelets experience in each operation step during platelet preparation and storage processes in vitro, which may synergistically contribute to PSLs. We first clarify these biophysical cues and how they induce PSLs. Strategies targeting each biophysical cue to improve PSLs are also summarized. Our review is designed to draw the attention from a broad range of audience, including clinical doctors, biologists, physical scientists, engineers and materials scientists, and immunologist, who study on platelets physiology and pathology.
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Affiliation(s)
- Shichun Wang
- Department of Blood Transfusion, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China
| | - Qi Liu
- Department of Blood Transfusion, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China
| | - Lihan Cheng
- Department of Blood Transfusion, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China
| | - Lu Wang
- Department of Blood Transfusion, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Chunyan Yao
- Department of Blood Transfusion, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, PR China; State Key Laboratory of Trauma, Burn and Combined Injury, Third Military Medical University, Chongqing 400038, PR China.
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8
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Shakeri A, Jarad NA, Khan S, F Didar T. Bio-functionalization of microfluidic platforms made of thermoplastic materials: A review. Anal Chim Acta 2022; 1209:339283. [PMID: 35569863 DOI: 10.1016/j.aca.2021.339283] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 11/01/2021] [Accepted: 11/12/2021] [Indexed: 11/30/2022]
Abstract
As a result of their favorable physical and chemical characteristics, thermoplastics have garnered significant interest in the area of microfluidics. The moldable nature of these inexpensive polymers enables easy fabrication, while their durability and chemical stability allow for resistance to high shear stress conditions and functionalization, respectively. This review provides a comprehensive examination several commonly used thermoplastic polymers in the microfluidics space including poly(methyl methacrylate) (PMMA), cyclic olefin polymer (COP) and copolymer (COC), polycarbonates (PC), poly(ethylene terephthalate) (PET), polystyrene (PS), poly(ethylene glycol) (PEG), polylactic acid (PLA), acrylonitrile butadiene styrene (ABS), and polyester. We describe various biofunctionalization strategies applied within thermoplastic microfluidic platforms and their resultant applications. Lastly, emerging technologies with a focus on applying recently developed microfluidic and biofunctionalization strategies into thermoplastic systems are discussed.
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Affiliation(s)
- Amid Shakeri
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Noor Abu Jarad
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
| | - Shadman Khan
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada
| | - Tohid F Didar
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada; School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L8, Canada.
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9
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Enhancing osseointegration and mitigating bacterial biofilms on medical-grade titanium with chitosan-conjugated liquid-infused coatings. Sci Rep 2022; 12:5380. [PMID: 35354896 PMCID: PMC8967836 DOI: 10.1038/s41598-022-09378-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 03/22/2022] [Indexed: 01/03/2023] Open
Abstract
Titanium alloys, in particular, medical-grade Ti-6Al-4 V, are heavily used in orthopaedic applications due to their high moduli, strength, and biocompatibility. Implant infection can result in biofilm formation and failure of prosthesis. The formation of a biofilm on implants protects bacteria from antibiotics and the immune response, resulting in the propagation of the infection and ultimately resulting in device failure. Recently, slippery liquid-infused surfaces (LIS) have been investigated for their stable liquid interface, which provides excellent repellent properties to suppress biofilm formation. One of the current limitations of LIS coatings lies in the indistinctive repellency of bone cells in orthopaedic applications, resulting in poor tissue integration and bone ingrowth with the implant. Here, we report a chitosan impregnated LIS coating that facilitates cell adhesion while preventing biofilm formation. The fabricated coating displayed high contact angles (108.2 ± 5.2°) and low sliding angles (3.56 ± 4.3°). Elemental analysis obtained using X-ray photoelectron spectroscopy (XPS) confirmed the availability of fluorine and nitrogen, indicating the presence of fluorosilane and chitosan in the final coating. Furthermore, our results suggest that chitosan-conjugated LIS increased cell adhesion of osteoblast-like SaOS-2 cells and significantly promoted proliferation (a fourfold increase at 7-day incubation) compared to conventional titanium liquid-infused surfaces. Furthermore, the chitosan conjugated LIS significantly reduced biofilm formation of methicillin-resistant Staphylococcus aureus (MRSA) by up to 50% and 75% when compared to untreated titanium and chitosan-coated titanium, respectively. The engineered coating can be easily modified with other biopolymers or capture molecules to be applied to other biomaterials where tissue integration and biofilm prevention are needed.
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10
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Ladouceur L, Shakeri A, Khan S, Rincon AR, Kasapgil E, Weitz JI, Soleymani L, Didar TF. Producing Fluorine- and Lubricant-Free Flexible Pathogen- and Blood-Repellent Surfaces Using Polysiloxane-Based Hierarchical Structures. ACS APPLIED MATERIALS & INTERFACES 2022; 14:3864-3874. [PMID: 35040309 DOI: 10.1021/acsami.1c21672] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
High-touch surfaces are known to be a major route for the spread of pathogens in healthcare and public settings. Antimicrobial coatings have, therefore, garnered significant attention to help mitigate the transmission of infectious diseases via the surface route. Among antimicrobial coatings, pathogen-repellent surfaces provide unique advantages in terms of safety in public settings such as instant repellency, affordability, biocompatibility, and long-term stability. While there have been many advances in the fabrication of biorepellent surfaces in the past two decades, this area of research continues to suffer challenges in scalability, cost, compatibility with high-touch applications, and performance for pathogen repellency. These features are critical for high-touch surfaces to be used in public settings. Additionally, the environmental impact of manufacturing repellent surfaces remains a challenge, mainly due to the use of fluorinated coatings. Here, we present a flexible hierarchical coating with straightforward and cost-effective manufacturing without the use of fluorine or a lubricant. Hierarchical surfaces were prepared through the growth of polysiloxane nanostructures using n-propyltrichlorosilane (n-PTCS) on activated polyolefin (PO), followed by heat shrinking to induce microscale wrinkles. The developed coatings demonstrated repellency, with contact angles over 153° and sliding angles <1°. In assays mimicking touch, these hierarchical surfaces demonstrated a 97.5% reduction in transmission of Escherichia coli (E.coli), demonstrating their potential as antimicrobial coatings to mitigate the spread of infectious diseases. Additionally, the developed surfaces displayed a 93% reduction in blood staining after incubation with human whole blood, confirming repellent properties that reduce bacterial deposition.
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Affiliation(s)
- Liane Ladouceur
- Department of Mechanical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
| | - Amid Shakeri
- Department of Mechanical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
| | - Shadman Khan
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
| | - Alejandra Rey Rincon
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
- Department of Engineering Physics, McMaster University, 1280 Main Street West, Hamilton L8S 4L7, Canada
| | - Esra Kasapgil
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
- Department of Biomedical Engineering, Faculty of Engineering and Architecture, University of Bakircay, TR-35665 Menemen, Izmir, Turkey
| | - Jeffrey I Weitz
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
- Department of Medicine, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
- Thrombosis & Atherosclerosis Research Institute (TaARI), 237 Barton Street East, Hamilton, Ontario, Canada L8L 2X2
| | - Leyla Soleymani
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
- Department of Engineering Physics, McMaster University, 1280 Main Street West, Hamilton L8S 4L7, Canada
| | - Tohid F Didar
- Department of Mechanical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
- Institute for Infectious Disease Research (IIDR), McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
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11
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Yousefi H, Samani SE, Khan S, Prasad A, Shakeri A, Li Y, Filipe CDM, Didar TF. LISzyme Biosensors: DNAzymes Embedded in an Anti-biofouling Platform for Hands-free Real-Time Detection of Bacterial Contamination in Milk. ACS NANO 2022; 16:29-37. [PMID: 34872243 DOI: 10.1021/acsnano.1c05766] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Nonspecific binding is a significant challenge associated with biosensors in complex food textures. To overcome this, we have developed LISzymes, which are DNAzymes incorporated in lubricant-infused surfaces (LISs). Using milk as a complex background matrix, we show that LISzyme biosensors are significantly more effective in preventing nonspecific binding compared to other commonly used "blocking" methods. The use of lubricant infusion to treat sensing surfaces results in a 4-fold increase in the signal-to-noise ratio obtained with the DNAzyme with respect to untreated surfaces, when detecting the presence of specific bacteria in milk. This is a striking improvement upon previous DNAzyme sensors. We also show that the use of LISs does not affect the DNAzyme's ability to effectively and specifically detect its target─a protein specifically produced by Escherichia coli (E. coli), in a complex sample matrix such as milk. LISzymes drastically improve DNAzyme performance, resulting in target detection associated with E. coli at concentrations as low as 250 CFU/mL in milk in less than an hour, which is currently not possible using other optical platforms. LISzymes are promising tools for the real-time monitoring of food contamination and may prove valuable within many other biosensing applications.
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Affiliation(s)
- Hanie Yousefi
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
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12
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Bian Q, Chen J, Weng Y, Li S. Endothelialization strategy of implant materials surface: The newest research in recent 5 years. J Appl Biomater Funct Mater 2022; 20:22808000221105332. [PMID: 35666145 DOI: 10.1177/22808000221105332] [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: 11/16/2022] Open
Abstract
In recent years, more and more metal or non-metal materials have been used in the treatment of cardiovascular diseases, but the vascular complications after transplantation are still the main factors restricting the clinical application of most grafts, such as acute thrombosis and graft restenosis. Implant materials have been extensively designed and surface optimized by researchers, but it is still too difficult to avoid complications. Natural vascular endodermis has excellent function, anti-coagulant and anti-intimal hyperplasia, and it is also the key to maintaining the homeostasis of normal vascular microenvironment. Therefore, how to promote the adhesion of endothelial cells (ECs) on the surface of cardiovascular materials to achieve endothelialization of the surface is the key to overcoming the complications after implant materialization. At present, the surface endothelialization design of materials based on materials surface science, bioactive molecules, and biological function intervention and feedback has attracted much attention. In this review, we summarize the related research on the surface modification of materials by endothelialization in recent years, and analyze the advantages and challenges of current endothelialization design ideas, explain the relationship between materials, cells, and vascular remodeling in order to find a more ideal endothelialization surface modification strategy for future researchers to meet the requirements of clinical biocompatibility of cardiovascular materials.
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Affiliation(s)
- Qihao Bian
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, China.,School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Junying Chen
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, China.,School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Yajun Weng
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, China.,School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Suiyan Li
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, China
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13
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Shen J, Wang J, Liu X, Sun Y, Yin A, Chai Y, Zhang K, Wang C, Zheng X. In Situ Prevascularization Strategy with Three-Dimensional Porous Conduits for Neural Tissue Engineering. ACS APPLIED MATERIALS & INTERFACES 2021; 13:50785-50801. [PMID: 34664947 DOI: 10.1021/acsami.1c16138] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Neovascularization is crucial for peripheral nerve regeneration and long-term functional restoration. Previous studies have emphasized strategies that enhance axonal repair over vascularization. Here, we describe the development and application of an in situ prevascularization strategy that uses 3D porous nerve guidance conduits (NGCs) to achieve angiogenesis-mediated neural regeneration. The optimal porosity of the NGC is a critical feature for achieving neovascularization and nerve growth patency. Hollow silk fibroin/poly(l-lactic acid-co-ε-caprolactone) NGCs with 3D sponge-like walls were fabricated using electrospinning and freeze-drying. In vitro results showed that 3D porous NGC favored cell biocompatibility had neuroregeneration potential and, most importantly, had angiogenic activity. Results from our mechanistic studies suggest that activation of HIF-1α signaling might be associated with this process. We also tested in situ prevascularized 3D porous NGCs in vivo by transplanting them into a 10 mm rat sciatic nerve defect model with the aim of regenerating the severed nerve. The prevascularized 3D porous NGCs greatly enhanced intraneural angiogenesis, resulting in demonstrable neurogenesis. Eight weeks after transplantation, the performance of the prevascularized 3D NGCs was similar to that of traditional autografts in terms of improved anatomical structure, morphology, and neural function. In conclusion, combining a reasonably fabricated 3D-pore conduit structure with in situ prevascularization promoted functional nerve regeneration, suggesting an alternative strategy for achieving functional recovery after peripheral nerve trauma.
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Affiliation(s)
- Junjie Shen
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai 200233, PR China
- Haikou Orthopedic and Diabetes Hospital of Shanghai Sixth People's Hospital, Hainan 570300, PR China
| | - Jiayan Wang
- College of Materials and Textile Engineering, Nanotechnology Research Institute, Jiaxing University, Zhejiang 314001, PR China
- Key Laboratory of Yarn Materials Forming and Composite Processing Technology, Zhejiang 314001, PR China
| | - Xuanzhe Liu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai 200233, PR China
| | - Yi Sun
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai 200233, PR China
| | - Anlin Yin
- College of Materials and Textile Engineering, Nanotechnology Research Institute, Jiaxing University, Zhejiang 314001, PR China
- Key Laboratory of Yarn Materials Forming and Composite Processing Technology, Zhejiang 314001, PR China
| | - Yimin Chai
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai 200233, PR China
| | - Kuihua Zhang
- College of Materials and Textile Engineering, Nanotechnology Research Institute, Jiaxing University, Zhejiang 314001, PR China
- Key Laboratory of Yarn Materials Forming and Composite Processing Technology, Zhejiang 314001, PR China
| | - Chunyang Wang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai 200233, PR China
- Haikou Orthopedic and Diabetes Hospital of Shanghai Sixth People's Hospital, Hainan 570300, PR China
| | - Xianyou Zheng
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Yishan Road 600, Shanghai 200233, PR China
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14
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Khan S, Burciu B, Filipe CDM, Li Y, Dellinger K, Didar TF. DNAzyme-Based Biosensors: Immobilization Strategies, Applications, and Future Prospective. ACS NANO 2021; 15:13943-13969. [PMID: 34524790 DOI: 10.1021/acsnano.1c04327] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Since their discovery almost three decades ago, DNAzymes have been used extensively in biosensing. Depending on the type of DNAzyme being used, these functional oligonucleotides can act as molecular recognition elements within biosensors, offering high specificity to their target analyte, or as reporters capable of transducing a detectable signal. Several parameters need to be considered when designing a DNAzyme-based biosensor. In particular, given that many of these biosensors immobilize DNAzymes onto a sensing surface, selecting an appropriate immobilization strategy is vital. Suboptimal immobilization can result in both DNAzyme detachment and poor accessibility toward the target, leading to low sensing accuracy and sensitivity. Various approaches have been employed for DNAzyme immobilization within biosensors, ranging from amine and thiol-based covalent attachment to non-covalent strategies involving biotin-streptavidin interactions, DNA hybridization, electrostatic interactions, and physical entrapment. While the properties of each strategy inform its applicability within a proposed sensor, the selection of an appropriate strategy is largely dependent on the desired application. This is especially true given the diverse use of DNAzyme-based biosensors for the detection of pathogens, metal ions, and clinical biomarkers. In an effort to make the development of such sensors easier to navigate, this paper provides a comprehensive review of existing immobilization strategies, with a focus on their respective advantages, drawbacks, and optimal conditions for use. Next, common applications of existing DNAzyme-based biosensors are discussed. Last, emerging and future trends in the development of DNAzyme-based biosensors are discussed, and gaps in existing research worthy of exploration are identified.
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Affiliation(s)
- Shadman Khan
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Brenda Burciu
- Department of Nanoengineering, Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, 2907 East Gate City Boulevard, Greensboro, North Carolina 27401, United States
| | - Carlos D M Filipe
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4K1, Canada
| | - Yingfu Li
- Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | - Kristen Dellinger
- Department of Nanoengineering, Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, 2907 East Gate City Boulevard, Greensboro, North Carolina 27401, United States
| | - Tohid F Didar
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L7, Canada
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15
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Villegas M, Alonso-Cantu C, Rahmani S, Wilson D, Hosseinidoust Z, Didar TF. Antibiotic-Impregnated Liquid-Infused Coatings Suppress the Formation of Methicillin-Resistant Staphylococcus aureus Biofilms. ACS APPLIED MATERIALS & INTERFACES 2021; 13:27774-27783. [PMID: 34115463 DOI: 10.1021/acsami.0c19355] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Medical device-associated infections are an ongoing problem. Once an implant is infected, bacteria create a complex community on the surface known as a biofilm, protecting the bacterial cells against antibiotics and the immune system. To prevent biofilm formation, several coatings have been engineered to hinder bacterial adhesion or viability. In recent years, liquid-infused surfaces (LISs) have been shown to be effective in repelling bacteria due to the presence of a tethered liquid interface. However, local lubricant loss or temporary local displacement can lead to bacteria penetrating the lubrication layer, which can then attach to the surface, proliferate, and form a biofilm. Biofilm formation on biomedical devices can subsequently disrupt the chemistry tethering the slippery liquid interface, causing the LIS coating to fail completely. To address this concern, we developed a "fail-proof" multifunctional coating through the combination of a LIS with tethered antibiotics. The coatings were tested on a medical-grade stainless steel using contact angle, sliding angle, and Fourier transform infrared spectroscopy. The results confirm the presence of antibiotics while maintaining a stable and slippery liquid interface. The antibiotic liquid-infused surface significantly reduced biofilm formation (97% reduction compared to the control) and was tested against two strains of Staphylococcus aureus, including a methicillin-resistant strain. We also demonstrated that antibiotics remain active and reduce bacteria proliferation after subsequent coating modifications. This multifunctional approach can be applied to other biomaterials and provide not only a fail-safe but a fail-proof strategy for preventing bacteria-associated infections.
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Affiliation(s)
| | | | | | - David Wilson
- Department of Surgery, Juravinski Hospital, 711 Concession Street, Hamilton, ON L8V 1C3, Canada
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16
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Kasapgil E, Badv M, Cantú CA, Rahmani S, Erbil HY, Anac Sakir I, Weitz JI, Hosseini-Doust Z, Didar TF. Polysiloxane Nanofilaments Infused with Silicone Oil Prevent Bacterial Adhesion and Suppress Thrombosis on Intranasal Splints. ACS Biomater Sci Eng 2021; 7:541-552. [PMID: 33470781 DOI: 10.1021/acsbiomaterials.0c01487] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Like all biofluid-contacting medical devices, intranasal splints are highly prone to bacterial adhesion and clot formation. Despite their widespread use and the numerous complications associated with infected splints, limited success has been achieved in advancing their safety and surface biocompatibility, and, to date, no surface-coating strategy has been proposed to simultaneously enhance the antithrombogenicity and bacterial repellency of intranasal splints. Herein, we report an efficient, highly stable lubricant-infused coating for intranasal splints to render their surfaces antithrombogenic and repellent toward bacterial cells. Lubricant-infused intranasal splints were prepared by creating superhydrophobic polysiloxane nanofilament (PSnF) coatings using surface-initiated polymerization of n-propyltrichlorosilane (n-PTCS) and further infiltrating them with a silicone oil lubricant. Compared with commercially available intranasal splints, lubricant-infused, PSnF-coated splints significantly attenuated plasma and blood clot formation and prevented bacterial adhesion and biofilm formation for up to 7 days, the typical duration for which intranasal splints are kept. We further demonstrated that the performance of our engineered biointerface is independent of the underlying substrate and could be used to enhance the hemocompatibility and repellency properties of other medical implants such as medical-grade catheters.
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Affiliation(s)
- Esra Kasapgil
- Department of Materials Science and Engineering, Gebze Technical University, TR-41400 Gebze, Kocaeli, Turkey.,School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
| | - Maryam Badv
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8.,Department of Mechanical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
| | - Claudia Alonso Cantú
- Department of Chemical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
| | - Sara Rahmani
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
| | - H Yildirim Erbil
- Department of Chemical Engineering, Gebze Technical University, TR-41400 Gebze, Kocaeli, Turkey
| | - Ilke Anac Sakir
- Department of Materials Science and Engineering, Gebze Technical University, TR-41400 Gebze, Kocaeli, Turkey
| | - Jeffrey I Weitz
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8.,Department of Medicine, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8.,Department of Biochemistry and Biomedical Sciences, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8.,Thrombosis & Atherosclerosis Research Institute (TaARI), 237 Barton Street East, Hamilton, Ontario, Canada L8L 2X2
| | - Zeinab Hosseini-Doust
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8.,Department of Chemical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8.,Institute for Infectious Disease Research (IIDR), McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
| | - Tohid F Didar
- School of Biomedical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8.,Department of Mechanical Engineering, McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8.,Institute for Infectious Disease Research (IIDR), McMaster University, 1280 Main St W, Hamilton, Ontario, Canada L8S 4L8
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17
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Gonçalves RC, Banfi A, Oliveira MB, Mano JF. Strategies for re-vascularization and promotion of angiogenesis in trauma and disease. Biomaterials 2020; 269:120628. [PMID: 33412374 DOI: 10.1016/j.biomaterials.2020.120628] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 12/14/2020] [Accepted: 12/18/2020] [Indexed: 12/18/2022]
Abstract
The maintenance of a healthy vascular system is essential to ensure the proper function of all organs of the human body. While macrovessels have the main role of blood transportation from the heart to all tissues, microvessels, in particular capillaries, are responsible for maintaining tissues' functionality by providing oxygen, nutrients and waste exchanges. Occlusion of blood vessels due to atherosclerotic plaque accumulation remains the leading cause of mortality across the world. Autologous vein and artery grafts bypassing are the current gold standard surgical procedures to substitute primarily obstructed vascular structures. Ischemic scenarios that condition blood supply in downstream tissues may arise from blockage phenomena, as well as from other disease or events leading to trauma. The (i) great demand for new vascular substitutes, arising from both the limited availability of healthy autologous vessels, as well as the shortcomings associated with small-diameter synthetic vascular grafts, and (ii) the challenging induction of the formation of adequate and stable microvasculature are current driving forces for the growing interest in the development of bioinspired strategies to ensure the proper function of vasculature in all its dimensional scales. Here, a critical review of well-established technologies and recent biotechnological advances to substitute or regenerate the vascular system is provided.
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Affiliation(s)
- Raquel C Gonçalves
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Andrea Banfi
- Department of Biomedicine, University of Basel, Basel, 4056, Switzerland; Department of Surgery, University Hospital Basel, Basel, 4056, Switzerland
| | - Mariana B Oliveira
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
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18
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Imani SM, Maclachlan R, Chan Y, Shakeri A, Soleymani L, Didar TF. Hierarchical Structures, with Submillimeter Patterns, Micrometer Wrinkles, and Nanoscale Decorations, Suppress Biofouling and Enable Rapid Droplet Digitization. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2004886. [PMID: 33230941 DOI: 10.1002/smll.202004886] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/27/2020] [Indexed: 06/11/2023]
Abstract
Liquid repellant surfaces have been shown to play a vital role for eliminating thrombosis on medical devices, minimizing blood contamination on common surfaces as well as preventing non-specific adhesion. Herein, an all solution-based, easily scalable method for producing liquid repellant flexible films, fabricated through nanoparticle deposition and heat-induced thin film wrinkling that suppress blood adhesion, and clot formation is reported. Furthermore, superhydrophobic and hydrophilic surfaces are combined onto the same substrate using a facile streamlined process. The patterned superhydrophobic/hydrophilic surfaces show selective digitization of droplets from various solutions with a single solution dipping step, which provides a route for rapid compartmentalization of solutions into virtual wells needed for high-throughput assays. This rapid solution digitization approach is demonstrated for detection of Interleukin 6. The developed liquid repellant surfaces are expected to find a wide range of applications in high-throughput assays and blood contacting medical devices.
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Affiliation(s)
- Sara M Imani
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Roderick Maclachlan
- Department of Engineering Physics, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Yuting Chan
- Department of Engineering Physics, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Amid Shakeri
- Department of Mechanical Engineering, McMaster University, Hamilton, ON, L8S 4L7, Canada
| | - Leyla Soleymani
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
- Department of Engineering Physics, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
| | - Tohid F Didar
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON, L8S 4L7, Canada
- Department of Mechanical Engineering, McMaster University, Hamilton, ON, L8S 4L7, Canada
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19
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Shakeri A, Jarad NA, Terryberry J, Khan S, Leung A, Chen S, Didar TF. Antibody Micropatterned Lubricant-Infused Biosensors Enable Sub-Picogram Immunofluorescence Detection of Interleukin 6 in Human Whole Plasma. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2003844. [PMID: 33078567 DOI: 10.1002/smll.202003844] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/23/2020] [Indexed: 05/05/2023]
Abstract
Recent studies have shown a correlation between elevated interleukin 6 (IL-6) concentrations and the risk of respiratory failure in COVID-19 patients. Therefore, detection of IL-6 at low concentrations permits early diagnosis of worst-case outcome in viral respiratory infections. Here, a versatile biointerface is presented that eliminates nonspecific adhesion and thus enables immunofluorescence detection of IL-6 in whole human plasma or whole human blood during coagulation, down to a limit of detection of 0.5 pg mL-1 . The sensitivity of the developed lubricant-infused biosensor for immunofluorescence assays in detecting low molecular weight proteins such as IL-6 is facilitated by i) producing a bioink in which the capture antibody is functionalized by an epoxy-based silane for covalent linkage to the fluorosilanized surface and ii) suppressing nonspecific adhesion by patterning the developed bioink into a lubricant-infused coating. The developed biosensor addresses one of the major challenges for biosensing in complex fluids, namely nonspecific adhesion, therefore paving the way for highly sensitive biosensing in complex fluids.
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Affiliation(s)
- Amid Shakeri
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L7, Canada
| | - Noor Abu Jarad
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada
| | - Jeff Terryberry
- SQI Diagnostics System Inc, 36 Meteor Dr, Toronto, ON M9W 1A4, Canada
| | - Shadman Khan
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada
| | - Ashlyn Leung
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada
| | - Simeng Chen
- SQI Diagnostics System Inc, 36 Meteor Dr, Toronto, ON M9W 1A4, Canada
| | - Tohid F Didar
- Department of Mechanical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L7, Canada
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada
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20
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Imani SM, Ladouceur L, Marshall T, Maclachlan R, Soleymani L, Didar TF. Antimicrobial Nanomaterials and Coatings: Current Mechanisms and Future Perspectives to Control the Spread of Viruses Including SARS-CoV-2. ACS NANO 2020; 14:12341-12369. [PMID: 33034443 PMCID: PMC7553040 DOI: 10.1021/acsnano.0c05937] [Citation(s) in RCA: 169] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 10/01/2020] [Indexed: 05/05/2023]
Abstract
The global COVID-19 pandemic has attracted considerable attention toward innovative methods and technologies for suppressing the spread of viruses. Transmission via contaminated surfaces has been recognized as an important route for spreading SARS-CoV-2. Although significant efforts have been made to develop antibacterial surface coatings, the literature remains scarce for a systematic study on broad-range antiviral coatings. Here, we aim to provide a comprehensive overview of the antiviral materials and coatings that could be implemented for suppressing the spread of SARS-CoV-2 via contaminated surfaces. We discuss the mechanism of operation and effectivity of several types of inorganic and organic materials, in the bulk and nanomaterial form, and assess the possibility of implementing these as antiviral coatings. Toxicity and environmental concerns are also discussed for the presented approaches. Finally, we present future perspectives with regards to emerging antimicrobial technologies such as omniphobic surfaces and assess their potential in suppressing surface-mediated virus transfer. Although some of these emerging technologies have not yet been tested directly as antiviral coatings, they hold great potential for designing the next generation of antiviral surfaces.
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Affiliation(s)
- Sara M. Imani
- School of Biomedical Engineering,
McMaster University, 1280 Main Street
West, Hamilton, ON L8S 4L7, Canada
| | - Liane Ladouceur
- School of Biomedical Engineering,
McMaster University, 1280 Main Street
West, Hamilton, ON L8S 4L7, Canada
| | - Terrel Marshall
- Department of Engineering Physics,
McMaster University, 1280 Main Street
West, Hamilton, ON L8S 4L7, Canada
| | - Roderick Maclachlan
- Department of Engineering Physics,
McMaster University, 1280 Main Street
West, Hamilton, ON L8S 4L7, Canada
| | - Leyla Soleymani
- School of Biomedical Engineering,
McMaster University, 1280 Main Street
West, Hamilton, ON L8S 4L7, Canada
- Department of Engineering Physics,
McMaster University, 1280 Main Street
West, Hamilton, ON L8S 4L7, Canada
| | - Tohid F. Didar
- School of Biomedical Engineering,
McMaster University, 1280 Main Street
West, Hamilton, ON L8S 4L7, Canada
- Department of Mechanical Engineering,
McMaster University, 1280 Main Street
West, Hamilton, ON L8S 4L7, Canada
- Michael G. DeGroote Institute of
Infectious Disease Research, McMaster
University, Hamilton, ON L8N 3Z5,
Canada
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21
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Zhao J, Feng Y. Surface Engineering of Cardiovascular Devices for Improved Hemocompatibility and Rapid Endothelialization. Adv Healthc Mater 2020; 9:e2000920. [PMID: 32833323 DOI: 10.1002/adhm.202000920] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/18/2020] [Indexed: 12/13/2022]
Abstract
Cardiovascular devices have been widely applied in the clinical treatment of cardiovascular diseases. However, poor hemocompatibility and slow endothelialization on their surface still exist. Numerous surface engineering strategies have mainly sought to modify the device surface through physical, chemical, and biological approaches to improve surface hemocompatibility and endothelialization. The alteration of physical characteristics and pattern topographies brings some hopeful outcomes and plays a notable role in this respect. The chemical and biological approaches can provide potential signs of success in the endothelialization of vascular device surfaces. They usually involve therapeutic drugs, specific peptides, adhesive proteins, antibodies, growth factors and nitric oxide (NO) donors. The gene engineering can enhance the proliferation, growth, and migration of vascular cells, thus boosting the endothelialization. In this review, the surface engineering strategies are highlighted and summarized to improve hemocompatibility and rapid endothelialization on the cardiovascular devices. The potential outlook is also briefly discussed to help guide endothelialization strategies and inspire further innovations. It is hoped that this review can assist with the surface engineering of cardiovascular devices and promote future advancements in this emerging research field.
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Affiliation(s)
- Jing Zhao
- School of Chemical Engineering and Technology Tianjin University Yaguan Road 135 Tianjin 300350 P. R. China
| | - Yakai Feng
- School of Chemical Engineering and Technology Tianjin University Yaguan Road 135 Tianjin 300350 P. R. China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin) Yaguan Road 135 Tianjin 300350 P. R. China
- Key Laboratory of Systems Bioengineering (Ministry of Education) Tianjin University Tianjin 300072 P. R. China
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22
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Badv M, Bayat F, Weitz JI, Didar TF. Single and multi-functional coating strategies for enhancing the biocompatibility and tissue integration of blood-contacting medical implants. Biomaterials 2020; 258:120291. [PMID: 32798745 DOI: 10.1016/j.biomaterials.2020.120291] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 06/27/2020] [Accepted: 08/01/2020] [Indexed: 12/27/2022]
Abstract
Device-associated clot formation and poor tissue integration are ongoing problems with permanent and temporary implantable medical devices. These complications lead to increased rates of mortality and morbidity and impose a burden on healthcare systems. In this review, we outline the current approaches for developing single and multi-functional surface coating techniques that aim to circumvent the limitations associated with existing blood-contacting medical devices. We focus on surface coatings that possess dual hemocompatibility and biofunctionality features and discuss their advantages and shortcomings to providing a biocompatible and biodynamic interface between the medical implant and blood. Lastly, we outline the newly developed surface modification techniques that use lubricant-infused coatings and discuss their unique potential and limitations in mitigating medical device-associated complications.
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Affiliation(s)
- Maryam Badv
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario, Canada; Department of Mechanical Engineering, McMaster University, Hamilton, Ontario, Canada
| | - Fereshteh Bayat
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario, Canada
| | - Jeffrey I Weitz
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario, Canada; Thrombosis & Atherosclerosis Research Institute (TaARI), Hamilton, Ontario, Canada; Department of Medicine, McMaster University, Hamilton, Ontario, Canada; Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Tohid F Didar
- School of Biomedical Engineering, McMaster University, Hamilton, Ontario, Canada; Department of Mechanical Engineering, McMaster University, Hamilton, Ontario, Canada; Institute for Infectious Disease Research (IIDR), McMaster University, Hamilton, Ontario, Canada.
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Peppou-Chapman S, Hong JK, Waterhouse A, Neto C. Life and death of liquid-infused surfaces: a review on the choice, analysis and fate of the infused liquid layer. Chem Soc Rev 2020; 49:3688-3715. [DOI: 10.1039/d0cs00036a] [Citation(s) in RCA: 109] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We review the rational choice, the analysis, the depletion and the properties imparted by the liquid layer in liquid-infused surfaces – a new class of low-adhesion surface.
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Affiliation(s)
- Sam Peppou-Chapman
- School of Chemistry
- The University of Sydney
- Australia
- The University of Sydney Nano Institute
- The University of Sydney
| | - Jun Ki Hong
- School of Chemistry
- The University of Sydney
- Australia
- The University of Sydney Nano Institute
- The University of Sydney
| | - Anna Waterhouse
- The University of Sydney Nano Institute
- The University of Sydney
- Australia
- Central Clinical School
- Faculty of Medicine and Health
| | - Chiara Neto
- School of Chemistry
- The University of Sydney
- Australia
- The University of Sydney Nano Institute
- The University of Sydney
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