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Hu Q, Du Y, Bai Y, Xing D, Wu C, Li K, Lang S, Liu X, Liu G. Smart zwitterionic coatings with precise pH-responsive antibacterial functions for bone implants to combat bacterial infections. Biomater Sci 2024. [PMID: 39058335 DOI: 10.1039/d4bm00932k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
Hydrophilic antifouling coatings based on zwitterionic polymers have been widely applied for the surface modification of bone implants to combat biofilm formation and reduce the likelihood of implant-related infections. However, their long-term effectiveness is significantly limited by the lack of effective and precise antibacterial activity. Here, a pH-responsive smart zwitterionic antibacterial coating (PSB/GS coating) was designed and robustly fabricated onto titanium-base bone implants by using a facile two-step method. First, dopamine (DA) and a poly(sulfobetaine methacrylate-co-dopamine methacrylamide) (PSBDA) copolymer were deposited on implants via mussel-inspired surface chemistry, resulting in a hydrophilic base coating with abundant catechol residues. Next, an amino-rich antibiotic, gentamicin sulfate (GS), was covalently linked to the coating through the formation of acid-sensitive Schiff base bonds between the amine groups of GS and the catechol residues present in both the zwitterionic polymer and the DA component. During the initial implantation period, the hydrophilic zwitterionic polymers demonstrated the desired anti-fouling properties that could effectively reduce protein and bacterial adhesion by over 90%. With time, the bacterial proliferation led to a decrease in the microenvironment pH value, resulting in the hydrolysis of the acid-sensitive Schiff base bonds, thereby releasing GS on demand and effectively enhancing the anti-biofilm properties of coatings. Benefiting from this synergistic antifouling and smart antibacterial activities, the PSB/GS coating exerted an excellent anti-infective activity in both in vivo preoperative and postoperative infection rat models. This proposed facile yet effective coating strategy is expected to provide a promising solution to combat bone implant-related infections.
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Affiliation(s)
- Qinsheng Hu
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610041, China
- Department of Orthopedic Surgery, Ya'an People's Hospital, Ya'an 625000, China
| | - Yangrui Du
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China.
| | - Yangjing Bai
- West China School of Nursing, Sichuan University/Department of Cardiovascular Surgery, West China Hospital, Sichuan University, China
| | - Dandan Xing
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China.
| | - Chengcheng Wu
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China.
| | - Kaijun Li
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China.
| | - Shiying Lang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China.
| | - Xiaoyan Liu
- Department of Orthopedic Surgery, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, 610041, China.
| | - Gongyan Liu
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China.
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2
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Yazdani-Ahmadabadi H, Yu K, Gonzalez K, Luo HD, Lange D, Kizhakkedathu JN. Long-Term Prevention of Biofilm Formation by Polycatechol-Based Supramolecular Assemblies with Low Molecular Weight Polymers on Surfaces. ACS APPLIED MATERIALS & INTERFACES 2024; 16:38631-38644. [PMID: 38980701 DOI: 10.1021/acsami.4c02371] [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: 07/10/2024]
Abstract
Achievement of a stable surface coating with long-term resistance to biofilm formation remains a challenge. Catechol-based polymerization chemistry and surface deposition are used as tools for surface modification of diverse materials. However, the control of surface deposition of the coating, surface coverage, coating properties, and long-term protection against biofilm formation remain to be solved. We report a new approach based on supramolecular assembly to generate long-acting antibiofilm coating. Here, we utilized catechol chemistry in combination with low molecular weight amphiphilic polymers for the generation of such coatings. Screening studies with diverse low molecular weight (LMW) polymers and different catechols are utilized to identify lead compositions, which resulted in a thick coating with high surface coverage, smoothness, and antibiofilm activity. We have identified that small supramolecular assemblies (∼10 nm) formed from a combination of polydopamine and LMW poly(N-vinyl caprolactam) (PVCL) resulted in relatively thick coating (∼300 nm) with excellent surface coverage in comparison to other polymers and catechol combinations. The coating properties, such as thickness (10-300 nm) and surface hydrophilicity (with water contact angle: 20-60°), are readily controlled. The optimal coating composition showed excellent antibiofilm properties with long-term (>28 days) antibiofilm activity against both Gram-negative (Escherichia coli) and Gram-positive (Staphylococcus aureus) strains. We further utilized the combination of optimal binary coating with silver to generate a coating with sustained release of silver ions, resulting in killing both adhered and planktonic bacteria and preventing long-term surface bacterial colonization. The new coating method utilizing LMW polymers opens a new avenue for the development of a novel class of thick, long-acting antibiofilm coatings.
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Affiliation(s)
- Hossein Yazdani-Ahmadabadi
- Centre for Blood Research, Life Science Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Kai Yu
- Centre for Blood Research, Life Science Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Kevin Gonzalez
- Centre for Blood Research, Life Science Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Haiming D Luo
- Centre for Blood Research, Life Science Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Dirk Lange
- Department of Urological Sciences, University of British Columbia, Vancouver, British Columbia V5Z 1M9, Canada
- Jack Bell Research Centre, 2660 Oak Street, Vancouver, British Columbia V6H 3Y8, Canada
| | - Jayachandran N Kizhakkedathu
- Centre for Blood Research, Life Science Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
- School of Biomedical Engineering, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
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3
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Jabbar A, Rehman K, Jabri T, Kanwal T, Perveen S, Rashid MA, Kazi M, Ahmad Khan S, Saifullah S, Shah MR. Improving curcumin bactericidal potential against multi-drug resistant bacteria via its loading in polydopamine coated zinc-based metal-organic frameworks. Drug Deliv 2023; 30:2159587. [PMID: 36718806 PMCID: PMC9891165 DOI: 10.1080/10717544.2022.2159587] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Multi-drug resistant (MDR) bactearial strains have posed serious health issues, thus leading to a significant increase in mortality, morbidity, and the expensive treatment of infections. Metal-organic frameworks (MOFs), comprising metal ions and a variety of organic ligands, have been employed as an effective drug deliveryy vehicle due to their low toxicity, biodegradability, higher structural integrity and diverse surface functionalities. Polydopamine (PDA) is a versatile biocompatible polymer with several interesting properties, including the ability to adhere to biological surfaces. As a result, modifying drug delivery vehicles with PDA has the potential to improve their antimicrobial properties. This work describes the preparation of PDA-coated Zn-MOFs for improving curcumin's antibacterial properties against S. aureus and E. coli. Powder X-ray diffraction (P-XRD), FT-IR, scanning electron microscopy (SEM), and DLS were utilized to characterize PDA-coated Zn-MOFs. The curcumin loading and in vitro release of the prepared MOFs were also examined. Finally, the MOFs were tested for bactericidal ability against E. coli and S. aureus using an anti-bacterial assay and surface morphological analysis. Smaller size MOFs were capable of loading and releasing curcumin. The findings showed that as curcumin was encapsulated into PDA-coated MOFs, its bactericidal potential was significantly enhanced, and the findings were further supported by SEM which indicated the complete morphological distortion of the bacteria after treatment with PDA-Cur-Zn-MOFs. These studies clearly indicate that the PDA-Cur-Zn-MOFs developed in this study are extremely promising for long-term release of drugs to treat a wide range of microbial infections.
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Affiliation(s)
- Abdul Jabbar
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Khadija Rehman
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Tooba Jabri
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Tasmina Kanwal
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Samina Perveen
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, PR China
| | - Md Abdur Rashid
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Guraiger, Abha, Saudi Arabia,Pharmacy Discipline, Faculty of Health, School of Clinical Sciences, Queensland University of Technology, Brisbane, Queensland, Australia,Md Abdur Rashid Department of Pharmaceutics, College of Pharmacy, King Khalid University, Guraiger, Abha62529, Saudi Arabia; Pharmacy Discipline, Faculty of Health, School of Clinical Sciences, Queensland University of Technology, Brisbane, QLD4000, Australia
| | - Mohsin Kazi
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Saeed Ahmad Khan
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, Pakistan,Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, Austin, Texas, USA
| | - Salim Saifullah
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan,Pakistan Forest Institute, Peshawar, Pakistan
| | - Muhammad Raza Shah
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan,CONTACT Muhammad Raza Shah International Center for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, 74200Karachi, Pakistan
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4
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Lamaoui A, Lahcen AA, Amine A. Unlocking the Potential of Molecularly Imprinted Polydopamine in Sensing Applications. Polymers (Basel) 2023; 15:3712. [PMID: 37765566 PMCID: PMC10536926 DOI: 10.3390/polym15183712] [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: 08/11/2023] [Revised: 08/30/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Molecularly imprinted polymers (MIPs) are synthetic receptors that mimic the specificity of biological antibody-antigen interactions. By using a "lock and key" process, MIPs selectively bind to target molecules that were used as templates during polymerization. While MIPs are typically prepared using conventional monomers, such as methacrylic acid and acrylamide, contemporary advancements have pivoted towards the functional potential of dopamine as a novel monomer. The overreaching goal of the proposed review is to fully unlock the potential of molecularly imprinted polydopamine (MIPda) within the realm of cutting-edge sensing applications. This review embarks by shedding light on the intricate tapestry of materials harnessed in the meticulous crafting of MIPda, endowing them with tailored properties. Moreover, we will cover the diverse sensing applications of MIPda, including its use in the detection of ions, small molecules, epitopes, proteins, viruses, and bacteria. In addition, the main synthesis methods of MIPda, including self-polymerization and electropolymerization, will be thoroughly examined. Finally, we will examine the challenges and drawbacks associated with this research field, as well as the prospects for future developments. In its entirety, this review stands as a resolute guiding compass, illuminating the path for researchers and connoisseurs alike.
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Affiliation(s)
- Abderrahman Lamaoui
- Process Engineering and Environment Lab, Chemical Analysis & Biosensors Group, Faculty of Science and Techniques, Hassan II University of Casablanca, B.P. 146, Mohammedia 28806, Morocco
| | | | - Aziz Amine
- Process Engineering and Environment Lab, Chemical Analysis & Biosensors Group, Faculty of Science and Techniques, Hassan II University of Casablanca, B.P. 146, Mohammedia 28806, Morocco
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5
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Meng X, Guo P, Li J, Huang H, Li Z, Yan H, Chu Z, Zhou YG. A versatile and tunable bio-patterning platform for the construction of various cell array biochips. Biosens Bioelectron 2023; 228:115203. [PMID: 36934608 DOI: 10.1016/j.bios.2023.115203] [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: 01/07/2023] [Revised: 02/05/2023] [Accepted: 03/04/2023] [Indexed: 03/09/2023]
Abstract
In this work, we report a versatile and tunable platform for the construction of various cell array biochips using a simple soft lithographic approach to pattern polydopamine (PDA) arrays via microcontact printing (μCP). Instead of direct polymerization of PDA on the polydimethylsiloxane (PDMS) tips, dopamine monomers were first printed on the substrate followed by a self-oxidative polymerization step facilitated by ammonia vapor to grow PDA in situ, which greatly reduced the reaction time and prevented the PDMS tips from damaging. The improved robustness and utility of the PDMS tips allows the formation of tunable PDA array chips with controllable PDA feature size and shape. As a result, single cell, multi-cells and cell line arrays can be constructed. The obtained cell array chips showed high single cell capture efficiency, providing a standardized single cell array analysis platform. Meanwhile, the adhered cells can maintain excellent viability and proliferation ability on the PDA chips. Moreover, a cytotoxicity sensor with single cell resolution was enabled on the single cell array chip. This work provides a promising cell array biochip platform for high-throughput cellular analysis and cell screening.
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Affiliation(s)
- Xingyu Meng
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Ping Guo
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Jian Li
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Haikang Huang
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Zeqi Li
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Hailong Yan
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Zonglin Chu
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China.
| | - Yi-Ge Zhou
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China.
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6
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Yim W, Zhou J, Sasi L, Zhao J, Yeung J, Cheng Y, Jin Z, Johnson W, Xu M, Palma-Chavez J, Fu L, Qi B, Retout M, Shah NJ, Bae J, Jokerst JV. 3D-Bioprinted Phantom with Human Skin Phototypes for Biomedical Optics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2206385. [PMID: 36305604 PMCID: PMC9868107 DOI: 10.1002/adma.202206385] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/21/2022] [Indexed: 06/16/2023]
Abstract
3D-bioprinted skin-mimicking phantoms with skin colors ranging across the Fitzpatrick scale are reported. These tools can help understand the impact of skin phototypes on biomedical optics. Synthetic melanin nanoparticles of different sizes (70-500 nm) and clusters are fabricated to mimic the optical behavior of melanosome. The absorption coefficient and reduced scattering coefficient of the phantoms are comparable to real human skin. Further the melanin content and distribution in the phantoms versus real human skins are validated via photoacoustic (PA) imaging. The PA signal of the phantom can be improved by: 1) increasing melanin size (3-450-fold), 2) increasing clustering (2-10.5-fold), and 3) increasing concentration (1.3-8-fold). Then, multiple biomedical optics tools (e.g., PA, fluorescence imaging, and photothermal therapy) are used to understand the impact of skin tone on these modalities. These well-defined 3D-bioprinted phantoms may have value in translating biomedical optics and reducing racial bias.
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Affiliation(s)
- Wonjun Yim
- Materials Science and Engineering Program, University of California San Diego, La Jolla, CA, USA
| | - Jiajing Zhou
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Lekshmi Sasi
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Jiayu Zhao
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Justin Yeung
- Department of Bioengineering, University of California San Diego, La Jolla, CA, USA
| | - Yong Cheng
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Zhicheng Jin
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Wade Johnson
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Ming Xu
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Jorge Palma-Chavez
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Lei Fu
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Baiyan Qi
- Materials Science and Engineering Program, University of California San Diego, La Jolla, CA, USA
| | - Maurice Retout
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
| | - Nisarg J. Shah
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
- Chemical Engineering Program, University of California San Diego, La Jolla, CA, USA
| | - Jinhye Bae
- Materials Science and Engineering Program, University of California San Diego, La Jolla, CA, USA
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
- Chemical Engineering Program, University of California San Diego, La Jolla, CA, USA
| | - Jesse V. Jokerst
- Materials Science and Engineering Program, University of California San Diego, La Jolla, CA, USA
- Department of Nanoengineering, University of California San Diego, La Jolla, CA, USA
- Chemical Engineering Program, University of California San Diego, La Jolla, CA, USA
- Department of Radiology, University of California San Diego, La Jolla, CA, USA
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7
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Meng L, Huang C, Liu X, Qu H, Wang Q. Zwitterionic coating assisted by dopamine with metal-phenolic networks loaded on titanium with improved biocompatibility and antibacterial property for artificial heart. Front Bioeng Biotechnol 2023; 11:1167340. [PMID: 37139045 PMCID: PMC10150318 DOI: 10.3389/fbioe.2023.1167340] [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: 02/16/2023] [Accepted: 03/22/2023] [Indexed: 05/05/2023] Open
Abstract
Introduction: Titanium (Ti) and Ti-based alloy materials are commonly used to develop artificial hearts. To prevent bacterial infections and thrombus in patients with implanted artificial hearts, long-term prophylactic antibiotics and anti-thrombotic drugs are required, and this may lead to health complications. Therefore, the development of optimized antibacterial and antifouling surfaces for Ti-based substrate is especially critical when designing artificial heart implants. Methods: In this study, polydopamine and poly-(sulfobetaine methacrylate) polymers were co-deposited to form a coating on the surface of Ti substrate, a process initiated by Cu2+ metal ions. The mechanism for the fabrication of the coating was investigated by coating thickness measurements as well as Ultraviolet-visible and X-ray Photoelectron (XPS) spectroscopy. Characterization of the coating was observed by optical imaging, scanning electron microscope (SEM), XPS, atomic force microscope (AFM), water contact angle and film thickness. In addition, antibacterial property of the coating was tested using Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) as model strains, while the material biocompatibility was assessed by the antiplatelet adhesion test using platelet-rich plasma and in vitro cytotoxicity tests using human umbilical vein endothelial cells and red blood cells. Results and discussion: Optical imaging, SEM, XPS, AFM, water contact angle, and film thickness tests demonstrated that the coating was successfully deposited on the Ti substrate surface. The biocompatibility and antibacterial assays showed that the developed surface holds great potential for improving the antibacterial and antiplatelet adhesion properties of Ti-based heart implants.
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Affiliation(s)
- Lingwei Meng
- School of Rare Earth, University of Science and Technology of China, Hefei, China
- Ganjiang Innovation Academy, Chinese Academy of Science, Ganzhou, China
| | - Chuangxin Huang
- School of Rare Earth, University of Science and Technology of China, Hefei, China
- Ganjiang Innovation Academy, Chinese Academy of Science, Ganzhou, China
| | - Xin Liu
- School of Rare Earth, University of Science and Technology of China, Hefei, China
- Ganjiang Innovation Academy, Chinese Academy of Science, Ganzhou, China
| | - Hongyi Qu
- Ganjiang Innovation Academy, Chinese Academy of Science, Ganzhou, China
- Institute of Electrical Engineering, Chinese Academy of Science, Beijing, China
- *Correspondence: Hongyi Qu, ; Qiuliang Wang,
| | - Qiuliang Wang
- School of Rare Earth, University of Science and Technology of China, Hefei, China
- Ganjiang Innovation Academy, Chinese Academy of Science, Ganzhou, China
- Institute of Electrical Engineering, Chinese Academy of Science, Beijing, China
- *Correspondence: Hongyi Qu, ; Qiuliang Wang,
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8
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Prabhakar P, Sen RK, Patel M, Shruti, Dwivedi N, Singh S, Kumar P, Chouhan M, Yadav AK, Mondal DP, Solanki PR, Srivastava AK, Dhand C. Development of copper impregnated bio-inspired hydrophobic antibacterial nanocoatings for textiles. Colloids Surf B Biointerfaces 2022; 220:112913. [DOI: 10.1016/j.colsurfb.2022.112913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/23/2022] [Accepted: 10/07/2022] [Indexed: 11/06/2022]
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9
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Atomic force and infrared spectroscopic studies on the role of surface charge for the anti-biofouling properties of polydopamine films. Anal Bioanal Chem 2022; 415:2059-2070. [PMID: 36434170 PMCID: PMC10079710 DOI: 10.1007/s00216-022-04431-7] [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: 09/08/2022] [Revised: 10/27/2022] [Accepted: 11/08/2022] [Indexed: 11/26/2022]
Abstract
Antibacterial polymer materials have gained interest due to their capability to inhibit or eradicate biofilms with greater efficiency in comparison with their monomeric counterparts. Among the antimicrobial and anti-biofouling polymers, catecholamine-based polymers - and in particular polydopamine - have been studied due to their favorable adhesion properties, which can be tuned by controlling the pH value. In this study, we used atomic force microscopy (AFM)-based spectroscopy to investigate the relation between the adhesion properties and surface charge density and the pH of electrochemically deposited polydopamine films presenting a dissociation constant of polydopamine of 6.3 ± 0.2 and a point of zero charge of 5.37 ± 0.06. Furthermore, using AFM and attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR), the influence of the surface charge density of polydopamine on bacterial adhesion and biofilm formation was investigated. It was shown that the adhesion of Escherichia coli at positively charged polydopamine is three times higher compared to a negatively charged polymer, and that the formation of biofilms is favored at positively charged polymers.
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10
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Aguilar-Ferrer D, Szewczyk J, Coy E. Recent developments in polydopamine-based photocatalytic nanocomposites for energy production: Physico-chemical properties and perspectives. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.08.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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11
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He X, Obeng E, Sun X, Kwon N, Shen J, Yoon J. Polydopamine, harness of the antibacterial potentials-A review. Mater Today Bio 2022; 15:100329. [PMID: 35757029 PMCID: PMC9218838 DOI: 10.1016/j.mtbio.2022.100329] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 11/11/2022] Open
Abstract
Antibiotic resistance is one of the major causes of morbidity and mortality, triggered by the adhesion of microbes and to some extent the formation of biofilms. This condition has been quite challenging in the health and industrial sector. Conditions and processes required to foil these infectious and resistance are of much concern. The synthesis of PDA material, inspired by the Mytilus edulis foot protein (MEFP)5 possesses unique characteristics that allow for, adhesion, photothermal therapy, synergistic effects with other materials, biocompatibility process, etc. Therefore, their usage holds great potential for dealing with both the infectious nature and the antibiotic resistance processes. Hence, this review provides an overview of the mechanism involved in accomplishing and eradicating bacteria, the recently harnessed antibacterial effect of the PDA through other properties they possess, a way forward in tapping the benefit embedded in the PDA, and the future perspective.
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Affiliation(s)
- Xiaojun He
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Enoch Obeng
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Xiaoshuai Sun
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China
| | - Nahyun Kwon
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Jianliang Shen
- School of Ophthalmology & Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China.,Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325000, China.,Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang, 325001, China
| | - Juyoung Yoon
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Republic of Korea
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12
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Topolniak I, Elert AM, Knigge X, Ciftci GC, Radnik J, Sturm H. High-Precision Micropatterning of Polydopamine by Multiphoton Lithography. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109509. [PMID: 35299285 DOI: 10.1002/adma.202109509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 03/04/2022] [Indexed: 06/14/2023]
Abstract
Mussel-inspired polydopamine (PDA) initiates a multifunctional modification route that leads to the generation of novel advanced materials and their applications. However, existing PDA deposition techniques still exhibit poor spatial control, have a very limited capability of micropatterning, and do not allow local tuning of the PDA topography. Herein, PDA deposition based on multiphoton lithography (MPL) is demonstrated, which enables full spatial and temporal control with nearly total freedom of patterning design. Using MPL, 2D microstructures of complex design are achieved with pattern precision of 0.8 µm without the need of a photomask or stamp. Moreover, this approach permits adjusting the morphology and thickness of the fabricated microstructure within one deposition step, resulting in a unique tunability of material properties. The chemical composition of PDA is confirmed and its ability for protein enzyme immobilization is demonstrated. This work presents a new methodology for high-precision and complete control of PDA deposition, enabling PDA incorporation in applications where fine and precise local surface functionalization is required. Possible applications include multicomponent functional elements and devices in microfluidics or lab-on-a-chip systems.
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Affiliation(s)
- Ievgeniia Topolniak
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
| | - Anna Maria Elert
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
| | - Xenia Knigge
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
| | - Goksu Cinar Ciftci
- Materials and Surface Design, RISE Research Institutes of Sweden, Stockholm, 114 28, Sweden
| | - Jörg Radnik
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
| | - Heinz Sturm
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
- TU Berlin, IWF, Pascalstr. 8-9, 10587, Berlin, Germany
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13
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Huang S, McDonald JA, Kuchel RP, Khan SJ, Leslie G, Tang CY, Mansouri J, Fane AG. Surface modification of nanofiltration membranes to improve the removal of organic micropollutants: Linking membrane characteristics to solute transmission. WATER RESEARCH 2021; 203:117520. [PMID: 34392040 DOI: 10.1016/j.watres.2021.117520] [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] [Received: 06/23/2021] [Revised: 07/29/2021] [Accepted: 07/31/2021] [Indexed: 06/13/2023]
Abstract
Surface modification of nanofiltration (NF) membranes has great potential to improve the removal of organic micropollutants (OMs) by NF membranes. This study used polydopamine (PDA) as a model coating to comprehensively link the changes in membrane properties with the changes in transmission of 34 OMs. The membrane characterization demonstrated that a thicker, denser, and more hydrophilic PDA coating can be achieved by increasing the PDA deposition time from 0.5 to 4 hours. Overall, the transmissions of target OMs were reduced by PDA-coated NF membranes compared to unmodified NF membranes. The neutral hydrophobic compounds showed lower transmissions for longer PDA coating (PDA4), while the neutral hydrophilic compounds tended to show lower transmissions for shorter PDA coating (PDA0.5). To explain this, competing effects provided by the PDA coatings are proposed including sealing defects, inducing cake-enhanced concentration polarization in the coating layer for neutral hydrophilic compounds, and weakened hydrophobic adsorption for neutral hydrophobic compounds. For charged compounds, PDA4 with the greatest negative charge among the PDA-coated membranes showed the lowest transmission. Depending on the molecular size and hydrophilicity of the compounds, the transmission of OMs by the PDA4 coating could be reduced by 70% with only a 26.4% decline in water permeance. The correlations and mechanistic insights provided by this work are highly useful for designing membranes with specific surface properties via surface modification to improve the removal of OMs without compromising water production.
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Affiliation(s)
- Shiyang Huang
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, The University of New South Wales (UNSW), Sydney, NSW 2052, Australia
| | - James A McDonald
- Water Research Centre, School of Civil and Environmental Engineering, UNSW, Sydney, NSW 2052, Australia
| | - Rhiannon P Kuchel
- Electron Microscopy Unit, Mark Wainwright Analytical Centre, UNSW, Sydney, NSW 2052, Australia
| | - Stuart J Khan
- Water Research Centre, School of Civil and Environmental Engineering, UNSW, Sydney, NSW 2052, Australia
| | - Greg Leslie
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, The University of New South Wales (UNSW), Sydney, NSW 2052, Australia
| | - Chuyang Y Tang
- Department of Civil Engineering, The University of Hong Kong, Pokfulam, Hong Kong 999077, China
| | - Jaleh Mansouri
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, The University of New South Wales (UNSW), Sydney, NSW 2052, Australia.
| | - Anthony G Fane
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering, The University of New South Wales (UNSW), Sydney, NSW 2052, Australia.
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14
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Lin Z, Liu L, Wang W, Jia L, Shen Y, Zhang X, Ge D, Shi W, Sun Y. The role and mechanism of polydopamine and cuttlefish ink melanin carrying copper ion nanoparticles in antibacterial properties and promoting wound healing. Biomater Sci 2021; 9:5951-5964. [PMID: 34318796 DOI: 10.1039/d1bm00622c] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Melanin and its analogue polydopamine (PDA) have attracted considerable attention in biomedical science due to their surface-rich metal binding sites, excellent adhesion and good biocompatibility. Bacterial infections at the wound site and uncontrolled bleeding are associated with a high risk of death, and the prevention of wound infections remains a major challenge. On this basis, the four nanoparticles (NPs) of melanin, PDA, copper ion-loaded melanin (Cu(ii) loaded melanin) and copper ion-loaded PDA (Cu(ii) loaded PDA) were studied in terms of antibacterial and wound healing capabilities. The in vitro experiments showed that Cu(ii) loaded PDA NPs had good blood compatibility and low cytotoxicity, showing the best antibacterial effect in comparison with other samples. Not only could the slow release of copper ions from the nanoparticles kill bacteria, but also the phenolic hydroxyl group and amine groups of PDA NPs played a synergistic role in bacterial death. In wound healing experiments, the Cu(ii) loaded PDA NPs could easily and tightly bind with biological tissue, demonstrating excellent hemostasis, antibacterial and wound healing capabilities. In summary, the excellent properties of Cu(ii) loaded PDA NPs made them a safe and effective drug for preventing wound infection and promoting healing.
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Affiliation(s)
- Zhenjie Lin
- Key Laboratory of Biomedical Engineering of Fujian Province University/Research Center of Biomedical Engineering of Xiamen, Department of Biomaterials, College of Materials, Xiamen University, Xiamen 361005, China.
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15
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Deng Z, Wang W, Xu X, Nie Y, Liu Y, Gould OEC, Ma N, Lendlein A. Biofunction of Polydopamine Coating in Stem Cell Culture. ACS APPLIED MATERIALS & INTERFACES 2021; 13:10748-10759. [PMID: 33594879 DOI: 10.1021/acsami.0c22565] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
High levels of reactive oxygen species (ROS) during stem cell expansion often lead to replicative senescence. Here, a polydopamine (PDA)-coated substrate was used to scavenge extracellular ROS for mesenchymal stem cell (MSC) expansion. The PDA-coated substrate could reduce the oxidative stress and mitochondrial damage in replicative senescent MSCs. The expression of senescence-associated β-galactosidase of MSCs from three human donors (both bone marrow- and adipose tissue-derived) was suppressed on PDA. The MSCs on the PDA-coated substrate showed a lower level of interleukin 6 (IL-6), one of the senescence-associated inflammatory components. Cellular senescence-specific genes, such as p53 and p21, were downregulated on the PDA-coated substrate, while the stemness-related gene, OCT4, was upregulated. The PDA-coated substrate strongly promoted the proliferation rate of MSCs, while the stem cell character and differentiation potential were retained. Large-scale expansion of stem cells would greatly benefit from the PDA-coated substrate.
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Affiliation(s)
- Zijun Deng
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry and Biochemistry, Free University of Berlin, 14195 Berlin, Germany
| | - Weiwei Wang
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
| | - Xun Xu
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
| | - Yan Nie
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry, University of Potsdam, 14476 Potsdam, Germany
| | - Yue Liu
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry, University of Potsdam, 14476 Potsdam, Germany
| | - Oliver E C Gould
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
| | - Nan Ma
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry and Biochemistry, Free University of Berlin, 14195 Berlin, Germany
| | - Andreas Lendlein
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry and Biochemistry, Free University of Berlin, 14195 Berlin, Germany
- Institute of Chemistry, University of Potsdam, 14476 Potsdam, Germany
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16
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Zhou L, Zheng H, Liu Z, Wang S, Liu Z, Chen F, Zhang H, Kong J, Zhou F, Zhang Q. Conductive Antibacterial Hemostatic Multifunctional Scaffolds Based on Ti 3C 2T x MXene Nanosheets for Promoting Multidrug-Resistant Bacteria-Infected Wound Healing. ACS NANO 2021; 15:2468-2480. [PMID: 33565857 DOI: 10.1021/acsnano.0c06287] [Citation(s) in RCA: 136] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Chronic bacterial-infected wound healing/skin regeneration remains a challenge due to drug resistance and the poor quality of wound repair. The ideal strategy is combating bacterial infection, while facilitating satisfactory wound healing. However, the reported strategy hardly achieves these two goals simultaneously without the help of antibiotics or bioactive molecules. In this work, a two-dimensional (2D) Ti3C2Tx MXene with excellent conductivity, biocompatibility, and antibacterial ability was applied in developing multifunctional scaffolds (HPEM) for methicillin-resistant Staphylococcus aureus (MRSA)-infected wound healing. HPEM scaffolds were fabricated by the reaction between the poly(glycerol-ethylenimine), Ti3C2Tx MXene@polydopamine (MXene@PDA) nanosheets, and oxidized hyaluronic acid (HCHO). HPEM scaffolds presented multifunctional properties containing self-healing behavior, electrical conductivity, tissue-adhesive feature, antibacterial activity especially for MRSA resistant to many commonly used antibiotics (antibacterial efficiency was 99.03%), and rapid hemostatic capability. HPEM scaffolds enhanced the proliferation of normal skin cells with negligible toxicity. Additionally, HPEM scaffolds obviously accelerated the MRSA-infected wound healing (wound closure ratio was 96.31%) by efficient anti-inflammation effects, promoting cell proliferation, and the angiogenic process, stimulating granulation tissue formation, collagen deposition, vascular endothelial differentiation, and angiogenesis. This study indicates the important role of multifunctional 2D MXene@PDA nanosheets in infected wound healing. HPEM scaffolds with multifunctional properties provide a potential strategy for MRSA-infected wound healing/skin regeneration.
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Affiliation(s)
- Li Zhou
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
- Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518057, China
- State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Hua Zheng
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Zongxu Liu
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Shenqiang Wang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Zhao Liu
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Fang Chen
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Hepeng Zhang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
- Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518057, China
| | - Jie Kong
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Fengtao Zhou
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Qiuyu Zhang
- Key Laboratory of Special Functional and Smart Polymer Materials of Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
- Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518057, China
- Xi'an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
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17
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Alkhouzaam A, Qiblawey H, Khraisheh M. Polydopamine Functionalized Graphene Oxide as Membrane Nanofiller: Spectral and Structural Studies. MEMBRANES 2021; 11:86. [PMID: 33513669 PMCID: PMC7910935 DOI: 10.3390/membranes11020086] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/05/2020] [Accepted: 12/17/2020] [Indexed: 11/17/2022]
Abstract
High-degree functionalization of graphene oxide (GO) nanoparticles (NPs) using polydopamine (PDA) was conducted to produce polydopamine functionalized graphene oxide nanoparticles (GO-PDA NPs). Aiming to explore their potential use as nanofiller in membrane separation processes, the spectral and structural properties of GO-PDA NPs were comprehensively analyzed. GO NPs were first prepared by the oxidation of graphite via a modified Hummers method. The obtained GO NPs were then functionalized with PDA using a GO:PDA ratio of 1:2 to obtain highly aminated GO NPs. The structural change was evaluated using XRD, FTIR-UATR, Raman spectroscopy, SEM and TEM. Several bands have emerged in the FTIR spectra of GO-PDA attributed to the amine groups of PDA confirming the high functionalization degree of GO NPs. Raman spectra and XRD patterns showed different crystalline structures and defects and higher interlayer spacing of GO-PDA. The change in elemental compositions was confirmed by XPS and CHNSO elemental analysis and showed an emerging N 1s core-level in the GO-PDA survey spectra corresponding to the amine groups of PDA. GO-PDA NPs showed better dispersibility in polar and nonpolar solvents expanding their potential utilization for different purposes. Furthermore, GO and GO-PDA-coated membranes were prepared via pressure-assisted self-assembly technique (PAS) using low concentrations of NPs (1 wt. %). Contact angle measurements showed excellent hydrophilic properties of GO-PDA with an average contact angle of (27.8°).
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Affiliation(s)
| | - Hazim Qiblawey
- Department of Chemical Engineering, College of Engineering, Qatar University, P.O. Box 2713 Doha, Qatar; (A.A.); (M.K.)
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18
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Singh I, Dhawan G, Gupta S, Kumar P. Recent Advances in a Polydopamine-Mediated Antimicrobial Adhesion System. Front Microbiol 2021; 11:607099. [PMID: 33510726 PMCID: PMC7835282 DOI: 10.3389/fmicb.2020.607099] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 12/02/2020] [Indexed: 12/12/2022] Open
Abstract
The drug resistance developed by bacteria during antibiotic treatment has been a call to action for researchers and scientists across the globe, as bacteria and fungi develop ever increasing resistance to current drugs. Innovative antimicrobial/antibacterial materials and coatings to combat such infections have become a priority, as many infections are caused by indwelling implants (e.g., catheters) as well as improving postsurgical function and outcomes. Pathogenic microorganisms that can exist either in planktonic form or as biofilms in water-carrying pipelines are one of the sources responsible for causing water-borne infections. To combat this, researchers have developed nanotextured surfaces with bactericidal properties mirroring the topographical features of some natural antibacterial materials. Protein-based adhesives, secreted by marine mussels, contain a catecholic amino acid, 3,4-dihydroxyphenylalanine (DOPA), which, in the presence of lysine amino acid, empowers with the ability to anchor them to various surfaces in both wet and saline habitats. Inspired by these features, a novel coating material derived from a catechol derivative, dopamine, known as polydopamine (PDA), has been designed and developed with the ability to adhere to almost all kinds of substrates. Looking at the immense potential of PDA, this review article offers an overview of the recent growth in the field of PDA and its derivatives, especially focusing the promising applications as antibacterial nanocoatings and discussing various antimicrobial mechanisms including reactive oxygen species-mediated antimicrobial properties.
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Affiliation(s)
- Indu Singh
- Acharya Narendra Dev College, University of Delhi, Delhi, India
| | - Gagan Dhawan
- Acharya Narendra Dev College, University of Delhi, Delhi, India
| | - Seema Gupta
- Acharya Narendra Dev College, University of Delhi, Delhi, India
| | - Pradeep Kumar
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, Delhi, India
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19
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Electrically conductive NBR/CB flexible composite film for ultrastretchable strain sensors: fabrication and modeling. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-020-01619-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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20
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Qu M, Qin Y, Sun Y, Xu H, Schubert DW, Zheng K, Xu W, Nilsson F. Biocompatible, Flexible Strain Sensor Fabricated with Polydopamine-Coated Nanocomposites of Nitrile Rubber and Carbon Black. ACS APPLIED MATERIALS & INTERFACES 2020; 12:42140-42152. [PMID: 32816448 DOI: 10.1021/acsami.0c11937] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A flexible, biocompatible, nitrile butadiene rubber (NBR)-based strain sensor with high stretchability, good sensitivity, and excellent repeatability is presented for the first time. Carbon black (CB) particles were embedded into an NBR matrix via a dissolving-coating technique, and the obtained NBR/CB composite was coated with polydopamine (PDA) to preserve the CB layer. The mechanical properties of the NBR films were found to be significantly improved with the addition of CB and PDA, and the produced composite films were noncytotoxic and highly biocompatible. Strain-sensing tests showed that the uncoated CB/NBR films possess a high sensing range (strain of ∼550%) and good sensitivity (gauge factor of 52.2), whereas the PDA/NBR/CB films show a somewhat reduced sensing range (strain of ∼180%) but significantly improved sensitivity (gauge factor of 346). The hysteresis curves obtained from cyclic strain-sensing tests demonstrate the prominent robustness of the sensor material. Three novel equations were developed to accurately describe the uniaxial and cyclic strain-sensing behavior observed for the investigated strain sensors. Gloves and knee/elbow covers were produced from the films, revealing that the signals generated by different finger, elbow, and knee movements are easily distinguishable, thus confirming that the PDA/NBR/CB composite films can be used in a wide range of wearable strain sensor applications.
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Affiliation(s)
- Muchao Qu
- School of Automobile and Transportation Engineering, Guangdong Polytechnic Normal University, 510450 Guangzhou, China
- Institute of Polymer Materials, Friedrich-Alexander-University Erlangen-Nuremberg, Martensstr. 7, 91058 Erlangen, Germany
| | - Yijing Qin
- Institute of Polymer Materials, Friedrich-Alexander-University Erlangen-Nuremberg, Martensstr. 7, 91058 Erlangen, Germany
| | - Yue Sun
- Institute of Polymer Materials, Friedrich-Alexander-University Erlangen-Nuremberg, Martensstr. 7, 91058 Erlangen, Germany
| | - Huagen Xu
- Institute of Polymer Materials, Friedrich-Alexander-University Erlangen-Nuremberg, Martensstr. 7, 91058 Erlangen, Germany
| | - Dirk W Schubert
- Institute of Polymer Materials, Friedrich-Alexander-University Erlangen-Nuremberg, Martensstr. 7, 91058 Erlangen, Germany
| | - Kai Zheng
- Institute of Biomaterials, Friedrich-Alexander-University Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
| | - Wei Xu
- School of Automobile and Transportation Engineering, Guangdong Polytechnic Normal University, 510450 Guangzhou, China
| | - Fritjof Nilsson
- School of Chemical Science and Engineering, Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
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21
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Polydopamine-modified interface improves the immobilization of natural bioactive-dye onto textile and enhances antifungal activity. Biointerphases 2020; 15:041011. [PMID: 32838534 DOI: 10.1116/6.0000295] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Dermatomycosis, such as candidiasis and mycosis among others, has emerged recently as the most frequent fungal infection worldwide. This disease is due to the skin's exposure to microorganisms that are able to pass through skin barrier defects. Therefore, textiles in direct contact with skin can serve as a source of contamination and fungus spread. In the current study, a sustainable and eco-friendly method for antifungal cotton finishing using Curcuma longa L extracted from rhizomes was investigated. To enhance the natural bioactive dye uptake and attachment, cellulosic cotton fibers were chemically modified using dopamine, a biocompatible molecule, leading to the deposition of a hydrophilic layer of polydopamine. The efficiency of the polydopamine coating on the cotton surface has been assessed by x-ray photoemission spectroscopy analyses, with the detection of nitrogen, and by water contact angle for the wettability enhancement. Furthermore, characterization of the modified samples confirms that the modification did not affect either the cellulosic fiber morphology or the mechanical properties. The dyeability and bioactive dye immobilization were then assessed by colorimetry. Finally, the effectiveness of the finished fabrics against Trichophyton (rubrum/mentagrophytes) and Candida albicans strains was evaluated and was shown to induce growth inhibition mainly on Candida albicans strains.
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Singh N, Millot N, Maurizi L, Lizard G, Kumar R. Taurine-Conjugated Mussel-Inspired Iron Oxide Nanoparticles with an Elongated Shape for Effective Delivery of Doxorubicin into the Tumor Cells. ACS OMEGA 2020; 5:16165-16175. [PMID: 32656438 PMCID: PMC7346241 DOI: 10.1021/acsomega.0c01747] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 06/08/2020] [Indexed: 05/04/2023]
Abstract
Multifunctional iron oxide magnetic nanoparticles, among them nanorods, were prepared with a mussel-inspired polydopamine (pDA) surface coating agent for cancer therapeutics. Taurine, a free sulfur-containing ß amino acid, was grafted on the pDA at the iron oxide nanoparticle surface to enhance its biocompatibility and targeted delivery action. Doxorubicin (DOX), an anticancer drug, was loaded on the prepared nanovehicles with an entrapment efficiency of 70.1%. Drug release kinetics were then analyzed using UV-vis and fluorescence spectroscopies, suggesting the pH-responsive behavior of the developed nanovehicle. The developed system was then tested on PC-3 cell lines to check its cellular response. Confocal microscopy observations and (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium) and Annexin V-FITC assays used to evaluate cell toxicity and apoptosis reveal a dose-dependent nature of nanorods and can overcome the side effects of using free DOX with a targeted action.
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Affiliation(s)
- Nimisha Singh
- Department
of Applied Chemistry, S. V. National Institute
of Technology, Surat 395007, Gujarat, India
- Laboratoire
Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université
Bourgogne Franche-Comté, 9 Av. A. Savary, BP 47 870, Dijon 21078, France
| | - Nadine Millot
- Laboratoire
Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université
Bourgogne Franche-Comté, 9 Av. A. Savary, BP 47 870, Dijon 21078, France
| | - Lionel Maurizi
- Laboratoire
Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université
Bourgogne Franche-Comté, 9 Av. A. Savary, BP 47 870, Dijon 21078, France
| | - Gérard Lizard
- Laboratory
Bio-PeroxIL, EA7270, Université Bourgogne Franche-Comté/Inserm, 6 Bd Gabriel, Dijon 21000, France
| | - Rajender Kumar
- Department
of Applied Chemistry, S. V. National Institute
of Technology, Surat 395007, Gujarat, India
- Department
of Chemistry and Chemical Science, School of Physical and Material
Sciences, Central University of Himachal
Pradesh, Kangra, Himachal Pradesh 176215, India
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Patel K, Kumar R. Vancomycin Grafted Polydopamine Coated Silver Nanoparticles for Enhanced Antibacterial Action Against Vancomycin‐Resistant Bacteria E. Faecalis. ChemistrySelect 2020. [DOI: 10.1002/slct.202000200] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Khushbu Patel
- Department of Applied ChemistryS.V. National Institute of Technology Surat 395007 India
| | - Rajender Kumar
- Department of Applied ChemistryS.V. National Institute of Technology Surat 395007 India
- Department of Chemistry and Chemical SciencesSchool of Physical and Material SciencesCentral University of Himachal Pradesh Kangra, Himachal Pradesh 176215 India
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Awasthi AK, Gupta S, Thakur J, Gupta S, Pal S, Bajaj A, Srivastava A. Polydopamine-on-liposomes: stable nanoformulations, uniform coatings and superior antifouling performance. NANOSCALE 2020; 12:5021-5030. [PMID: 32065189 DOI: 10.1039/c9nr07770g] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Polydopamine (PDA), a mussel-inspired synthetic polymer, affords biocompatible and antifouling coatings on a variety of surfaces. However, the traditional protocol of preparing PDA by polymerizing dopamine (DA) under basic conditions yields physically-unstable and non-uniform coatings that are prone to delamination and exhibit compromised antifouling performance in vivo. Here, we show that the high local pH in the vicinity of vesicular self-assemblies formed by a series of acetal-based cationic amphiphiles can be exploited to conveniently polymerise DA under physiological conditions in a gradual manner without requiring any external oxidant. Two of the four PDA-liposome nanoformulations viz. PDA-L1 and PDA-L2 turned out to be highly stable physically and resisted precipitation for more than a month while the other two formulations (PDA-L3 and PDA-L4) were less stable and formed visible precipitates with time. Further, the PDA-liposome formulations had significantly improved haemocompatibility compared to that of pristine liposomes. PDA-L1 formed highly uniform, nanostructured coatings on implants like catheter, cotton and bandages that did not delaminate even after a week of continuous incubation in simulated body fluid, or on exposure to pH change and presence of proteolytic enzymes. The PDA-L1 coated catheter implants resisted biofouling by both Gram-positive and Gram-negative bacteria in vitro and also had superior in vivo performance in mice vis-à-vis the implants coated with traditional base-polymerised PDA formulation (BP-PDA). Thus, these novel liposomal PDA nanoformulations significantly improve the practical utility of PDA-based coatings for antimicrobial applications.
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Affiliation(s)
- Anand Kumar Awasthi
- Department of Chemistry, Indian Institute of Science Education and Research, Bhauri, Bhopal By-pass Road, Bhopal-462066, India.
| | - Siddhi Gupta
- Laboratory of Nanotechnology and Chemical Biology, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad-121001, Haryana, India.
| | - Jyoti Thakur
- Department of Chemistry, Indian Institute of Science Education and Research, Bhauri, Bhopal By-pass Road, Bhopal-462066, India.
| | - Sakshi Gupta
- Department of Chemistry, Indian Institute of Science Education and Research, Bhauri, Bhopal By-pass Road, Bhopal-462066, India.
| | - Sanjay Pal
- Laboratory of Nanotechnology and Chemical Biology, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad-121001, Haryana, India. and Kalinga Institute of Industrial Technology, Bhubaneswar-751024, Odisha, India
| | - Avinash Bajaj
- Laboratory of Nanotechnology and Chemical Biology, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurugram Expressway, Faridabad-121001, Haryana, India.
| | - Aasheesh Srivastava
- Department of Chemistry, Indian Institute of Science Education and Research, Bhauri, Bhopal By-pass Road, Bhopal-462066, India.
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25
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Steeves AJ, Variola F. Elucidating structure–function relationships governing the interfacial response of human mesenchymal stem cells to polydopamine coatings. J Mater Chem B 2020; 8:199-215. [DOI: 10.1039/c9tb02188d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Deposition of mussel-inspired polydopamine (PDA) has rapidly emerged as a simple yet effective strategy to functionalize the surface of biomaterials.
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Affiliation(s)
- Alexander J. Steeves
- Faculty of Engineering
- Department of Mechanical Engineering
- University of Ottawa
- Canada
- Ottawa-Carleton Institute for Biomedical Engineering
| | - Fabio Variola
- Faculty of Engineering
- Department of Mechanical Engineering
- University of Ottawa
- Canada
- Ottawa-Carleton Institute for Biomedical Engineering
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26
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Patel K, Kushwaha P, Kumar S, Kumar R. Lysine and α-Aminoisobutyric Acid Conjugated Bioinspired Polydopamine Surfaces for the Enhanced Antibacterial Performance of the Foley Catheter. ACS APPLIED BIO MATERIALS 2019; 2:5799-5809. [PMID: 35021573 DOI: 10.1021/acsabm.9b00794] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Khushbu Patel
- Department of Applied Chemistry, S.V. National Institute of Technology, Surat-395007, Gujarat, India
| | - Prem Kushwaha
- Centre for Biochemistry and Microbial Science, School of Basic and Applied Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Shashank Kumar
- Centre for Biochemistry and Microbial Science, School of Basic and Applied Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Rajender Kumar
- Department of Applied Chemistry, S.V. National Institute of Technology, Surat-395007, Gujarat, India
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27
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Kord Forooshani P, Polega E, Thomson K, Bhuiyan MSA, Pinnaratip R, Trought M, Kendrick C, Gao Y, Perrine KA, Pan L, Lee BP. Antibacterial Properties of Mussel-Inspired Polydopamine Coatings Prepared by a Simple Two-Step Shaking-Assisted Method. Front Chem 2019; 7:631. [PMID: 31608272 PMCID: PMC6773806 DOI: 10.3389/fchem.2019.00631] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 09/02/2019] [Indexed: 11/13/2022] Open
Abstract
A simple two-step, shaking-assisted polydopamine (PDA) coating technique was used to impart polypropylene (PP) mesh with antimicrobial properties. In this modified method, a relatively large concentration of dopamine (20 mg ml−1) was first used to create a stable PDA primer layer, while the second step utilized a significantly lower concentration of dopamine (2 mg ml−1) to promote the formation and deposition of large aggregates of PDA nanoparticles. Gentle shaking (70 rpm) was employed to increase the deposition of PDA nanoparticle aggregates and the formation of a thicker PDA coating with nano-scaled surface roughness (RMS = 110 nm and Ra = 82 nm). Cyclic voltammetry experiment confirmed that the PDA coating remained redox active, despite extensive oxidative cross-linking. When the PDA-coated mesh was hydrated in phosphate saline buffer (pH 7.4), it was activated to generate 200 μM hydrogen peroxide (H2O2) for over 48 h. The sustained release of low doses of H2O2 was antibacterial against both gram-positive (Staphylococcus epidermidis) and gram-negative (Escherichia coli) bacteria. PDA coating achieved 100% reduction (LRV ~3.15) when incubated against E. coli and 98.9% reduction (LRV ~1.97) against S. epi in 24 h.
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Affiliation(s)
- Pegah Kord Forooshani
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, United States
| | - Elizabeth Polega
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, United States
| | - Kevin Thomson
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, United States
| | - Md Saleh Akram Bhuiyan
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, United States
| | - Rattapol Pinnaratip
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, United States
| | - Mikhail Trought
- Department of Chemistry, Michigan Technological University, Houghton, MI, United States
| | - Chito Kendrick
- Department of Electrical Engineering, Michigan Technological University, Houghton, MI, United States
| | - Yuesheng Gao
- Department of Chemical Engineering, Michigan Technological University, Houghton, MI, United States
| | - Kathryn A Perrine
- Department of Chemistry, Michigan Technological University, Houghton, MI, United States
| | - Lei Pan
- Department of Chemical Engineering, Michigan Technological University, Houghton, MI, United States
| | - Bruce P Lee
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, United States
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28
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Singh N, Nayak J, Sahoo SK, Kumar R. Glutathione conjugated superparamagnetic Fe3O4-Au core shell nanoparticles for pH controlled release of DOX. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 100:453-465. [DOI: 10.1016/j.msec.2019.03.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 02/12/2019] [Accepted: 03/09/2019] [Indexed: 10/27/2022]
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Affiliation(s)
- Jürgen Liebscher
- Institute of Chemistry; Humboldt-University Berlin; Brook-Taylor-Str. 2 12489 Berlin Germany
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30
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Lin J, Daboss S, Blaimer D, Kranz C. Micro-Structured Polydopamine Films via Pulsed Electrochemical Deposition. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E242. [PMID: 30754722 PMCID: PMC6409672 DOI: 10.3390/nano9020242] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/04/2019] [Accepted: 02/09/2019] [Indexed: 12/16/2022]
Abstract
Polydopamine (PDA) films are interesting as smart functional materials, and their controlled structured formation plays a significant role in a wide range of applications ranging from cell adhesion to sensing and catalysis. A pulsed deposition technique is reported for micro-structuring polydopamine films using scanning electrochemical microscopy (SECM) in direct mode. Thereby, precise and reproducible film thicknesses of the deposited spots could be achieved ranging from 5.9 +/- 0.48 nm (1 pulse cycle) to 75.4 nm +/- 2.5 nm for 90 pulse cycles. The obtained morphology is different in comparison to films deposited via cyclic voltammetry or films formed by autooxidation showing a cracked blister-like structure for high pulse cycle numbers. The obtained polydopamine spots were investigated in respect to their electrochemical properties using SECM approach curves. Quantitative kinetic data in dependence of the film thickness, the substrate potential, and the used redox species were obtained.
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Affiliation(s)
- Jing Lin
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany.
| | - Sven Daboss
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany.
| | - Dominik Blaimer
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany.
| | - Christine Kranz
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany.
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31
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Ahn S, Ardoña HAM, Lind JU, Eweje F, Kim SL, Gonzalez GM, Liu Q, Zimmerman JF, Pyrgiotakis G, Zhang Z, Beltran-Huarac J, Carpinone P, Moudgil BM, Demokritou P, Parker KK. Mussel-inspired 3D fiber scaffolds for heart-on-a-chip toxicity studies of engineered nanomaterials. Anal Bioanal Chem 2018; 410:6141-6154. [PMID: 29744562 PMCID: PMC6230313 DOI: 10.1007/s00216-018-1106-7] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 04/10/2018] [Accepted: 04/23/2018] [Indexed: 01/19/2023]
Abstract
Due to the unique physicochemical properties exhibited by materials with nanoscale dimensions, there is currently a continuous increase in the number of engineered nanomaterials (ENMs) used in consumer goods. However, several reports associate ENM exposure to negative health outcomes such as cardiovascular diseases. Therefore, understanding the pathological consequences of ENM exposure represents an important challenge, requiring model systems that can provide mechanistic insights across different levels of ENM-based toxicity. To achieve this, we developed a mussel-inspired 3D microphysiological system (MPS) to measure cardiac contractility in the presence of ENMs. While multiple cardiac MPS have been reported as alternatives to in vivo testing, most systems only partially recapitulate the native extracellular matrix (ECM) structure. Here, we show how adhesive and aligned polydopamine (PDA)/polycaprolactone (PCL) nanofiber can be used to emulate the 3D native ECM environment of the myocardium. Such nanofiber scaffolds can support the formation of anisotropic and contractile muscular tissues. By integrating these fibers in a cardiac MPS, we assessed the effects of TiO2 and Ag nanoparticles on the contractile function of cardiac tissues. We found that these ENMs decrease the contractile function of cardiac tissues through structural damage to tissue architecture. Furthermore, the MPS with embedded sensors herein presents a way to non-invasively monitor the effects of ENM on cardiac tissue contractility at different time points. These results demonstrate the utility of our MPS as an analytical platform for understanding the functional impacts of ENMs while providing a biomimetic microenvironment to in vitro cardiac tissue samples. Graphical Abstract Heart-on-a-chip integrated with mussel-inspired fiber scaffolds for a high-throughput toxicological assessment of engineered nanomaterials.
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Affiliation(s)
- Seungkuk Ahn
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA, 02138, USA
| | - Herdeline Ann M Ardoña
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA, 02138, USA
| | - Johan U Lind
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA, 02138, USA
- Department of Micro- and Nanotechnology, Technical University of Denmark, 2800, Kongens Lyngby, Denmark
| | - Feyisayo Eweje
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA, 02138, USA
| | - Sean L Kim
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA, 02138, USA
| | - Grant M Gonzalez
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA, 02138, USA
| | - Qihan Liu
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA, 02138, USA
| | - John F Zimmerman
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA, 02138, USA
| | - Georgios Pyrgiotakis
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, Harvard University, Cambridge, MA, 02138, USA
| | - Zhenyuan Zhang
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, Harvard University, Cambridge, MA, 02138, USA
| | - Juan Beltran-Huarac
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, Harvard University, Cambridge, MA, 02138, USA
| | - Paul Carpinone
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, Harvard University, Cambridge, MA, 02138, USA
| | - Brij M Moudgil
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, Harvard University, Cambridge, MA, 02138, USA
| | - Philip Demokritou
- Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, Harvard University, Cambridge, MA, 02138, USA
| | - Kevin Kit Parker
- Disease Biophysics Group, Wyss Institute for Biologically Inspired Engineering, John A. Paulson School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA, 02138, USA.
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