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Smith TA, Zhou L, Ghergherehchi CL, Mikesh M, Yang CZ, Tucker HO, Allgood J, Bushman JS, Bittner GD. Polyethylene glycol has immunoprotective effects on sciatic allografts, but behavioral recovery and graft tolerance require neurorrhaphy and axonal fusion. Neural Regen Res 2025; 20:1192-1206. [PMID: 38989956 PMCID: PMC11438327 DOI: 10.4103/nrr.nrr-d-23-01220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/26/2023] [Accepted: 02/29/2024] [Indexed: 07/12/2024] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202504000-00033/figure1/v/2024-07-06T104127Z/r/image-tiff Behavioral recovery using (viable) peripheral nerve allografts to repair ablation-type (segmental-loss) peripheral nerve injuries is delayed or poor due to slow and inaccurate axonal regeneration. Furthermore, such peripheral nerve allografts undergo immunological rejection by the host immune system. In contrast, peripheral nerve injuries repaired by polyethylene glycol fusion of peripheral nerve allografts exhibit excellent behavioral recovery within weeks, reduced immune responses, and many axons do not undergo Wallerian degeneration. The relative contribution of neurorrhaphy and polyethylene glycol-fusion of axons versus the effects of polyethylene glycol per se was unknown prior to this study. We hypothesized that polyethylene glycol might have some immune-protective effects, but polyethylene glycol-fusion was necessary to prevent Wallerian degeneration and functional/behavioral recovery. We examined how polyethylene glycol solutions per se affect functional and behavioral recovery and peripheral nerve allograft morphological and immunological responses in the absence of polyethylene glycol-induced axonal fusion. Ablation-type sciatic nerve injuries in outbred Sprague-Dawley rats were repaired according to a modified protocol using the same solutions as polyethylene glycol-fused peripheral nerve allografts, but peripheral nerve allografts were loose-sutured (loose-sutured polyethylene glycol) with an intentional gap of 1-2 mm to prevent fusion by polyethylene glycol of peripheral nerve allograft axons with host axons. Similar to negative control peripheral nerve allografts not treated by polyethylene glycol and in contrast to polyethylene glycol-fused peripheral nerve allografts, animals with loose-sutured polyethylene glycol peripheral nerve allografts exhibited Wallerian degeneration for all axons and myelin degeneration by 7 days postoperatively and did not recover sciatic-mediated behavioral functions by 42 days postoperatively. Other morphological signs of rejection, such as collapsed Schwann cell basal lamina tubes, were absent in polyethylene glycol-fused peripheral nerve allografts but commonly observed in negative control and loose-sutured polyethylene glycol peripheral nerve allografts at 21 days postoperatively. Loose-sutured polyethylene glycol peripheral nerve allografts had more pro-inflammatory and less anti-inflammatory macrophages than negative control peripheral nerve allografts. While T cell counts were similarly high in loose-sutured-polyethylene glycol and negative control peripheral nerve allografts, loose-sutured polyethylene glycol peripheral nerve allografts expressed some cytokines/chemokines important for T cell activation at much lower levels at 14 days postoperatively. MHCI expression was elevated in loose-sutured polyethylene glycol peripheral nerve allografts, but MHCII expression was modestly lower compared to negative control at 21 days postoperatively. We conclude that, while polyethylene glycol per se reduces some immune responses of peripheral nerve allografts, successful polyethylene glycol-fusion repair of some axons is necessary to prevent Wallerian degeneration of those axons and immune rejection of peripheral nerve allografts, and produce recovery of sensory/motor functions and voluntary behaviors. Translation of polyethylene glycol-fusion technologies would produce a paradigm shift from the current clinical practice of waiting days to months to repair ablation peripheral nerve injuries.
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Affiliation(s)
- Tyler A. Smith
- Department of Molecular Biosciences, University of Texas at Austin, Austin, TX, USA
| | - Liwen Zhou
- Department of Neuroscience, University of Texas at Austin, Austin, TX, USA
| | | | - Michelle Mikesh
- Department of Neuroscience, University of Texas at Austin, Austin, TX, USA
| | - Cathy Z. Yang
- Department of Neuroscience, University of Texas at Austin, Austin, TX, USA
| | - Haley O. Tucker
- Department of Molecular Biosciences, University of Texas at Austin, Austin, TX, USA
| | - JuliAnne Allgood
- Division of Pharmaceutical Sciences, University of Wyoming, Laramie, WY, USA
| | - Jared S. Bushman
- Division of Pharmaceutical Sciences, University of Wyoming, Laramie, WY, USA
| | - George D. Bittner
- Department of Neuroscience, University of Texas at Austin, Austin, TX, USA
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Shin S, Nasim U, O'Connor H, Hong Y. Progress towards permanent respiratory support. Curr Opin Organ Transplant 2024; 29:349-356. [PMID: 38990111 DOI: 10.1097/mot.0000000000001163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2024]
Abstract
PURPOSE OF REVIEW Although lung transplantation stands as the gold standard curative therapy option for end-stage lung disease, the scarcity of available organs poses a significant challenge in meeting the escalating demand. This review provides an overview of recent advancements in ambulatory respiratory assist systems, selective anticoagulation therapies that target the intrinsic pathway, and innovative surface coatings to enable permanent respiratory support as a viable alternative to lung transplantation. RECENT FINDINGS Several emerging ambulatory respiratory assist systems have shown promise in both preclinical and clinical trials. These systems aim to create more biocompatible, compact, and portable forms of extracorporeal membrane oxygenation that can provide long-term respiratory support. Additionally, innovative selective anticoagulation strategies, currently in various stages of preclinical or clinical development, present a promising alternative to currently utilized nonselective anticoagulants. Moreover, novel surface coatings hold the potential to locally prevent artificial surface-induced thrombosis and minimize bleeding risks. SUMMARY This review of recent advancements toward permanent respiratory support summarizes the development of ambulatory respiratory assist systems, selective anticoagulation therapies, and novel surface coatings. The integration of these evolving device technologies with targeted anticoagulation strategies may allow a safe and effective mode of permanent respiratory support for patients with chronic lung disease.
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Affiliation(s)
- Suji Shin
- Department of Biomedical Engineering, Carnegie Mellon University
| | - Umar Nasim
- Department of Biomedical Engineering, Carnegie Mellon University
| | - Hassana O'Connor
- Department of Biomedical Engineering, Carnegie Mellon University
| | - Yeahwa Hong
- Department of Biomedical Engineering, Carnegie Mellon University
- Department of Surgery, the University of Pittsburgh Medical Center
- Department of Cardiothoracic Surgery, the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania (PA), USA
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Mei T, Zhang P, Hu Y, Xiao L, Hou J, Nagasaki Y. Engineering hirudin encapsulation in pH-responsive antioxidant nanoparticles for therapeutic efficacy in ischemic stroke model mice. Biomaterials 2024; 314:122860. [PMID: 39366183 DOI: 10.1016/j.biomaterials.2024.122860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 09/20/2024] [Accepted: 09/26/2024] [Indexed: 10/06/2024]
Abstract
This study introduces a novel pH-sensitive, hirudin-loaded antioxidant nanoparticle (HD@iNanoAOX) aimed at addressing the challenges of hirudin's short half-life and hemorrhagic transformation. HD@iNanoAOX was engineered to safeguard and prolong hirudin's bioactivity by encapsulating it within antioxidative nanoparticles, facilitating its gradual release in acidic environments. The efficacy of this approach was validated through both ex vivo and in vivo experiments. Ex vivo thrombolytic assays demonstrated that HD@iNanoAOX maintained effective clot lysis activity under acidic conditions. In vivo assessments revealed that HD@iNanoAOX significantly prolonged hirudin's half-life and reduced cerebral infarct volume in a mouse model of middle cerebral artery occlusion (MCAO). Furthermore, HD@iNanoAOX treatment mitigated cerebral oxidative stress, suppressed hemorrhagic transformation, and prevented blood-brain barrier (BBB) disruption. These findings suggest that the combined thrombolytic and antioxidative properties of HD@iNanoAOX offer a promising therapeutic approach for ischemic stroke. Nonetheless, further research is warranted to optimize the formulation and assess its safety and efficacy in clinical settings.
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Affiliation(s)
- Ting Mei
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Peiwen Zhang
- Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, 100029, China
| | - Yifan Hu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Liman Xiao
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Junling Hou
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Yukio Nagasaki
- Department of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8573, Japan; Master's School in Medical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8573, Japan; Center for Research in Radiation and Earth System Sciences (CRiES), University of Tsukuba, Tennoudai 1-1-1, Tsukuba, Ibaraki, 305-8573, Japan; Department of Chemistry, Graduate School of Science, The University of Tokyo, Tokyo, Bunkyo-ku, 113-8656, Japan; High-value Biomaterials Research and Commercialization Center (HBRCC), National Taipei University of Technology, Taipei, 10608, Taiwan.
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4
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Iyer RR, Applegate CC, Arogundade OH, Bangru S, Berg IC, Emon B, Porras-Gomez M, Hsieh PH, Jeong Y, Kim Y, Knox HJ, Moghaddam AO, Renteria CA, Richard C, Santaliz-Casiano A, Sengupta S, Wang J, Zambuto SG, Zeballos MA, Pool M, Bhargava R, Gaskins HR. Inspiring a convergent engineering approach to measure and model the tissue microenvironment. Heliyon 2024; 10:e32546. [PMID: 38975228 PMCID: PMC11226808 DOI: 10.1016/j.heliyon.2024.e32546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 05/22/2024] [Accepted: 06/05/2024] [Indexed: 07/09/2024] Open
Abstract
Understanding the molecular and physical complexity of the tissue microenvironment (TiME) in the context of its spatiotemporal organization has remained an enduring challenge. Recent advances in engineering and data science are now promising the ability to study the structure, functions, and dynamics of the TiME in unprecedented detail; however, many advances still occur in silos that rarely integrate information to study the TiME in its full detail. This review provides an integrative overview of the engineering principles underlying chemical, optical, electrical, mechanical, and computational science to probe, sense, model, and fabricate the TiME. In individual sections, we first summarize the underlying principles, capabilities, and scope of emerging technologies, the breakthrough discoveries enabled by each technology and recent, promising innovations. We provide perspectives on the potential of these advances in answering critical questions about the TiME and its role in various disease and developmental processes. Finally, we present an integrative view that appreciates the major scientific and educational aspects in the study of the TiME.
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Affiliation(s)
- Rishyashring R. Iyer
- Department of Electrical and Computer Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Catherine C. Applegate
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Opeyemi H. Arogundade
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Sushant Bangru
- Department of Biochemistry, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Ian C. Berg
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Bashar Emon
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Marilyn Porras-Gomez
- Department of Materials Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Pei-Hsuan Hsieh
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Yoon Jeong
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Yongdeok Kim
- Department of Materials Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Hailey J. Knox
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Amir Ostadi Moghaddam
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Carlos A. Renteria
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Craig Richard
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Ashlie Santaliz-Casiano
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Sourya Sengupta
- Department of Electrical and Computer Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Jason Wang
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Samantha G. Zambuto
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Maria A. Zeballos
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Marcia Pool
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
- Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Rohit Bhargava
- Department of Electrical and Computer Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
- Department of Chemical and Biochemical Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
- Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
- NIH/NIBIB P41 Center for Label-free Imaging and Multiscale Biophotonics (CLIMB), University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - H. Rex Gaskins
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
- Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
- Department of Animal Sciences, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
- Department of Biomedical and Translational Sciences, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
- Department of Pathobiology, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
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Zhao LY, Wang XY, Wen ML, Pan NN, Yin XQ, An MW, Wang L, Liu Y, Song JB. Advances in injectable hydrogels for radiation-induced heart disease. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024; 35:1031-1063. [PMID: 38340315 DOI: 10.1080/09205063.2024.2314364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 01/11/2024] [Indexed: 02/12/2024]
Abstract
Radiological heart damage (RIHD) is damage caused by unavoidable irradiation of the heart during chest radiotherapy, with a long latency period and a progressively increasing proportion of delayed cardiac damage due to conventional doses of chest radiotherapy. There is a risk of inducing diseases such as acute/chronic pericarditis, myocarditis, delayed myocardial fibrosis and damage to the cardiac conduction system in humans, which can lead to myocardial infarction or even death in severe cases. This paper details the pathogenesis of RIHD and gives potential targets for treatment at the molecular and cellular level, avoiding the drawbacks of high invasiveness and immune rejection due to drug therapy, medical device implantation and heart transplantation. Injectable hydrogel therapy has emerged as a minimally invasive tissue engineering therapy to provide necessary mechanical support to the infarcted myocardium and to act as a carrier for various bioactive factors and cells to improve the cellular microenvironment in the infarcted area and induce myocardial tissue regeneration. Therefore, this paper combines bioactive factors and cellular therapeutic mechanisms with injectable hydrogels, presents recent advances in the treatment of cardiac injury after RIHD with different injectable gels, and summarizes the therapeutic potential of various types of injectable hydrogels as a potential solution.
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Affiliation(s)
- Lu-Yao Zhao
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan, China
| | - Xin-Yue Wang
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan, China
| | - Mei-Ling Wen
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan, China
| | - Ning-Ning Pan
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan, China
| | - Xing-Qi Yin
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan, China
| | - Mei-Wen An
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan, China
| | - Li Wang
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan, China
| | - Yang Liu
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Shanxi Key Laboratory of Material Strength & Structural Impact, Taiyuan, China
- Department of Nuclear Medicine, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Jian-Bo Song
- Shanghai NewMed Medical Corporation, Shanghai, China
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6
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Grübel J, Wendlandt T, Urban D, Jauch CO, Wege C, Tovar GEM, Southan A. Soft Sub-Structured Multi-Material Biosensor Hydrogels with Enzymes Retained by Plant Viral Scaffolds. Macromol Biosci 2024; 24:e2300311. [PMID: 37922890 DOI: 10.1002/mabi.202300311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 10/13/2023] [Indexed: 11/07/2023]
Abstract
An all-soft multi-material combination consisting of a hydrogel based on poly(ethylene glycol) (PEG) coated with spatially defined spots of gelatin methacryloyl (GM) containing selectively addressable viral nanorods is presented, and its basic application as a qualitative biosensor with reporter enzymes displayed on the tobacco mosaic virus (TMV) bioscaffolds within the GM is demonstrated. Biologically inert PEG supports are equipped with GM spots serving as biological matrix for enzymes clustered on TMV particles preventing diffusion out of the gel. For this multi-material combination, i) the PEG-based hydrogel surface is modified to achieve a clear boundary between coated and non-coated regions by introducing either isothiouronium or thiol groups. ii) Cross-linking of the GM spots is studied to achieve anchoring to the hydrogel surface. iii) The enzymes horseradish peroxidase or penicillinase (Pen) are conjugated to TMV and integrated into the GM matrix. In contrast to free enzymes, enzyme-decorated TMVs persist in GM spots and show sustained enzyme activity as evidenced by specific color reaction after 7 days of washing, and for Pen after 22 months after dry storage. Therefore, the integration of enzyme-coupled TMV into hydrogel matrices is a promising and versatile approach to obtaining reusable and analyte-specific sensor components.
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Affiliation(s)
- Jana Grübel
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Tim Wendlandt
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Pfaffenwaldring 57, 70569, Stuttgart, Germany
| | - Daniela Urban
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Corinna O Jauch
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Pfaffenwaldring 57, 70569, Stuttgart, Germany
| | - Günter E M Tovar
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Alexander Southan
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
- Max Planck Institute for Intelligent Systems, Heisenbergstr. 3, 70569, Stuttgart, Germany
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Chen J, Zhou J, Peng Y, Dai X, Tan Y, Zhong Y, Li T, Zou Y, Hu R, Cui X, Ho HP, Gao BZ, Zhang H, Chen Y, Wang M, Zhang X, Qu J, Shao Y. Highly-Adaptable Optothermal Nanotweezers for Trapping, Sorting, and Assembling across Diverse Nanoparticles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309143. [PMID: 37944998 DOI: 10.1002/adma.202309143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/28/2023] [Indexed: 11/12/2023]
Abstract
Optical manipulation of various kinds of nanoparticles is vital in biomedical engineering. However, classical optical approaches demand higher laser power and are constrained by diffraction limits, necessitating tailored trapping schemes for specific nanoparticles. They lack a universal and biocompatible tool to manipulate nanoparticles of diverse sizes, charges, and materials. Through precise modulation of diffusiophoresis and thermo-osmotic flows in the boundary layer of an optothermal-responsive gold film, highly adaptable optothermal nanotweezers (HAONTs) capable of manipulating a single nanoparticle as small as sub-10 nm are designed. Additionally, a novel optothermal doughnut-shaped vortex (DSV) trapping strategy is introduced, enabling a new mode of physical interaction between cells and nanoparticles. Furthermore, this versatile approach allows for the manipulation of nanoparticles in organic, inorganic, and biological forms. It also offers versatile function modes such as trapping, sorting, and assembling of nanoparticles. It is believed that this approach holds the potential to be a valuable tool in fields such as synthetic biology, optofluidics, nanophotonics, and colloidal science.
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Affiliation(s)
- Jiajie Chen
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Jianxing Zhou
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yuhang Peng
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xiaoqi Dai
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yan Tan
- School of Biomedical Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yili Zhong
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Tianzhong Li
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yanhua Zou
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Rui Hu
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Ximin Cui
- State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Electronics and Information Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Ho-Pui Ho
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, 999077, Hong Kong
| | - Bruce Zhi Gao
- Department of Bioengineering and COMSET, Clemson University, Clemson, SC, 29634, USA
| | - Han Zhang
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yu Chen
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Meiting Wang
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xueji Zhang
- School of Biomedical Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Junle Qu
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yonghong Shao
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
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8
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Abune L, Wen C, Lee K, Wang X, Ravnic D, Wang Y. Elastic Macroporous Matrix-Supported In Situ Formation of Injectable Extracellular Matrix-Like Hydrogel for Carrying Growth Factors and Living Cells. Macromol Biosci 2024; 24:e2300475. [PMID: 37955619 PMCID: PMC10939927 DOI: 10.1002/mabi.202300475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Indexed: 11/14/2023]
Abstract
Hydrogels loaded with biologics hold great potential for various biomedical applications such as regenerative medicine. However, biologics may lose bioactivity during hydrogel preparation, shipping, and storage. While many injectable hydrogels do not have this issue, they face a dilemma between fast gelation causing the difficulty of injection and slow gelation causing the escape of solutions from an injection site. The purpose of this study is to develop an affinity hydrogel by integrating a pre-formed elastic macroporous matrix and an injectable hydrogel. The data shows that the macroporous hydrogel matrix can hold a large volume of solutions for the formation of in situ injectable hydrogels loaded with growth factors or living cells. The cells can proliferate in the composite hydrogels. The growth factors can be stably sequestered and sustainably released due to the presence of aptamers. When both living cells and growth factors are loaded together into the hydrogels, cells can proliferate under culture conditions with a reduced serum level. Therefore, a macroporous and elastic matrix-supported formation of aptamer-functionalized injectable hydrogels is a promising method for developing the carriers of biologics.
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Affiliation(s)
- Lidya Abune
- Department of Biomedical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Connie Wen
- Department of Biomedical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Kyungsene Lee
- Department of Biomedical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Xuelin Wang
- Department of Biomedical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
| | - Dino Ravnic
- Department of Surgery, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, 17033, USA
| | - Yong Wang
- Department of Biomedical Engineering, Pennsylvania State University, University Park, PA, 16802, USA
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9
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Chen J, Chen Z, Meng C, Zhou J, Peng Y, Dai X, Li J, Zhong Y, Chen X, Yuan W, Ho HP, Gao BZ, Qu J, Zhang X, Zhang H, Shao Y. CRISPR-powered optothermal nanotweezers: Diverse bio-nanoparticle manipulation and single nucleotide identification. LIGHT, SCIENCE & APPLICATIONS 2023; 12:273. [PMID: 37973904 PMCID: PMC10654382 DOI: 10.1038/s41377-023-01326-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 10/26/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023]
Abstract
Optothermal nanotweezers have emerged as an innovative optical manipulation technique in the past decade, which revolutionized classical optical manipulation by efficiently capturing a broader range of nanoparticles. However, the optothermal temperature field was merely employed for in-situ manipulation of nanoparticles, its potential for identifying bio-nanoparticles remains largely untapped. Hence, based on the synergistic effect of optothermal manipulation and CRIPSR-based bio-detection, we developed CRISPR-powered optothermal nanotweezers (CRONT). Specifically, by harnessing diffusiophoresis and thermo-osmotic flows near the substrate upon optothermal excitation, we successfully trapped and enriched DNA functionalized gold nanoparticles, CRISPR-associated proteins, as well as DNA strands. Remarkably, we built an optothermal scheme for enhancing CRISPR-based single-nucleotide polymorphism (SNP) detection at single molecule level, while also introducing a novel CRISPR methodology for observing nucleotide cleavage. Therefore, this innovative approach has endowed optical tweezers with DNA identification ability in aqueous solution which was unattainable before. With its high specificity and feasibility for in-situ bio-nanoparticle manipulation and identification, CRONT will become a universal tool in point-of-care diagnosis, biophotonics, and bio-nanotechnology.
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Affiliation(s)
- Jiajie Chen
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Zhi Chen
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Changle Meng
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Jianxing Zhou
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yuhang Peng
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xiaoqi Dai
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Jingfeng Li
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yili Zhong
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xiaolin Chen
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Wu Yuan
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Ho-Pui Ho
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
| | - Bruce Zhi Gao
- Department of Bioengineering and COMSET, Clemson University, Clemson, SC, 29634, USA
| | - Junle Qu
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xueji Zhang
- School of Biomedical Engineering, Shenzhen University, Shenzhen, Guangdong, 518060, China
| | - Han Zhang
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Yonghong Shao
- State Key Laboratory of Radio Frequency Heterogeneous Integration, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, China.
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10
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Kim J, Kang S, Choi MH, Park S, Nam SH, Park JU, Lee Y. Zwitterionic polymer on silicone implants inhibits the bacteria-driven pathogenic mechanism and progress of breast implant-associated anaplastic large cell lymphoma. Acta Biomater 2023; 171:378-391. [PMID: 37683967 DOI: 10.1016/j.actbio.2023.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 08/22/2023] [Accepted: 09/03/2023] [Indexed: 09/10/2023]
Abstract
Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) occurs in the capsule surrounding breast implants. Malignant transformation of T cells by bacteria-driven chronic inflammation may be underlying BIA-ALCL mechanism. Here, we covalently grafted 2-methacryloyloxyethyl phosphorylcholine (MPC)-based polymers on a silicone surface and examined its effects against BIA-ALCL pathogenesis. MPC grafting strongly inhibited the adhesion of bacteria and bacteria-causing inflammation. Additionally, cancer T cell proliferation and capsule-derived fibroblast-cancer cell communication were effectively inhibited by MPC grafting. We further demonstrated the effect of MPC against the immune responses causing BIA-ALCL around human silicone implants in micro-pigs. Finally, we generated a xenograft anaplastic T cell lymphoma mouse model around the silicone implants and demonstrated that MPC grafting could effectively inhibit the lymphoma progression. This study is the first to show that bacteria-driven induction and progression of BIA-ALCL can be effectively inhibited by surface modification of implants. STATEMENT OF SIGNIFICANCE: Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) is a major concern in the field of plastic and reconstructive surgery. In this study, we demonstrate strong inhibitory effect of zwitterionic polymer grafting on BIA-ALCL pathogenesis and progression, induced by bacterial infection and inflammation, both in vitro and in vivo. This study provides a molecular basis for the development of novel breast implants that can prevent various potential complications such as excessive capsular contracture, breast implant illness, and BIA-ALCL incidence, as well as for expanding the biomedical applications of zwitterionic polymers.
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Affiliation(s)
- Jungah Kim
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Sunah Kang
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Min-Ha Choi
- Department of Plastic and Reconstructive Surgery, Seoul National University Boramae Medical Center, Seoul National University College of Medicine, 5 Gil 20, Boramae-ro, Dongjak-gu, Seoul 07061, Republic of Korea
| | - Sohyun Park
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - So Hee Nam
- College of Pharmacy, Dongduk Women's University, 60 Hwarang-ro 13-gil, Seongbuk-gu, Seoul 02748, Republic of Korea
| | - Ji-Ung Park
- Department of Plastic and Reconstructive Surgery, Seoul National University Boramae Medical Center, Seoul National University College of Medicine, 5 Gil 20, Boramae-ro, Dongjak-gu, Seoul 07061, Republic of Korea; Institute of Medical and Biological Engineering, Seoul National University College of Medicine, 103 Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea; Interdisciplinary Program in Bioengineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
| | - Yan Lee
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
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11
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Gonthier A, Botvinick EL, Grosberg A, Mohraz A. Effect of Porous Substrate Topographies on Cell Dynamics: A Computational Study. ACS Biomater Sci Eng 2023; 9:5666-5678. [PMID: 37713253 PMCID: PMC10565724 DOI: 10.1021/acsbiomaterials.3c01008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 08/31/2023] [Indexed: 09/16/2023]
Abstract
Controlling cell-substrate interactions via the microstructural characteristics of biomaterials offers an advantageous path for modulating cell dynamics, mechanosensing, and migration, as well as for designing immune-modulating implants, all without the drawbacks of chemical-based triggers. Specifically, recent in vivo studies have suggested that a porous implant's microscale curvature landscape can significantly impact cell behavior and ultimately the immune response. To investigate such cell-substrate interactions, we utilized a 3D computational model incorporating the minimum necessary physics of cell migration and cell-substrate interactions needed to replicate known in vitro behaviors. This model specifically incorporates the effect of membrane tension, which was found to be necessary to replicate in vitro cell behavior on curved surfaces. Our simulated substrates represent two classes of porous materials recently used in implant studies, which have markedly different microscale curvature distributions and pore geometries. We found distinct differences between the overall migration behaviors, shapes, and actin polymerization dynamics of cells interacting with the two substrates. These differences were correlated to the shape energy of the cells as they interacted with the porous substrates, in effect interpreting substrate topography as an energetic landscape interrogated by cells. Our results demonstrate that microscale curvature directly influences cell shape and migration and, therefore, is likely to influence cell behavior. This supports further investigation of the relationship between the surface topography of implanted materials and the characteristic immune response, a complete understanding of which would broadly advance principles of biomaterial design.
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Affiliation(s)
- Alyse
R. Gonthier
- Department
of Materials Science & Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - Elliot L. Botvinick
- Department
of Biomedical Engineering, University of
California, Irvine, Irvine, California 92697, United States
- Center
for Complex Biological Systems, University
of California, Irvine, Irvine, California 92697, United States
- Beckman
Laser Institute and Medical Clinic, University
of California, Irvine, Irvine, California 92697, United States
- Department
of Surgery,University of California, Irvine, Irvine, California 92697, United States
- Edwards
Lifesciences
Foundation Cardiovascular Innovation & Research Center, University of California, Irvine, Irvine, California 92697, United States
| | - Anna Grosberg
- Department
of Biomedical Engineering, University of
California, Irvine, Irvine, California 92697, United States
- Center
for Complex Biological Systems, University
of California, Irvine, Irvine, California 92697, United States
- Edwards
Lifesciences
Foundation Cardiovascular Innovation & Research Center, University of California, Irvine, Irvine, California 92697, United States
- Department
of Chemical & Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States
- The
NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, Irvine, California 92697, United States
- Sue
and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, California 92697, United States
| | - Ali Mohraz
- Department
of Materials Science & Engineering, University of California, Irvine, Irvine, California 92697, United States
- Department
of Chemical & Biomolecular Engineering, University of California, Irvine, Irvine, California 92697, United States
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12
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Lancellotti P, Aqil A, Musumeci L, Jacques N, Ditkowski B, Debuisson M, Thiry M, Dupont J, Gougnard A, Sandersen C, Cheramy-Bien JP, Sakalihasan N, Nchimi A, Detrembleur C, Jérôme C, Oury C. Bioactive surface coating for preventing mechanical heart valve thrombosis. J Thromb Haemost 2023; 21:2485-2498. [PMID: 37196847 DOI: 10.1016/j.jtha.2023.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 04/13/2023] [Accepted: 05/04/2023] [Indexed: 05/19/2023]
Abstract
BACKGROUND Prosthetic heart valves are the only treatment for most patients with severe valvular heart disease. Mechanical valves, made of metallic components, are the most long-lasting type of replacement valves. However, they are prone to thrombosis and require permanent anticoagulation and monitoring, which leads to higher risk of bleeding and impacts the patient's quality of life. OBJECTIVES To develop a bioactive coating for mechanical valves with the aim to prevent thrombosis and improve patient outcomes. METHODS We used a catechol-based approach to produce a drug-releasing multilayer coating adherent to mechanical valves. The hemodynamic performance of coated Open Pivot valves was verified in a heart model tester, and coating durability in the long term was assessed in a durability tester producing accelerated cardiac cycles. Coating antithrombotic activity was evaluated in vitro with human plasma or whole blood under static and flow conditions and in vivo after surgical valve implantation in a pig's thoracic aorta. RESULTS We developed an antithrombotic coating consisting of ticagrelor- and minocycline-releasing cross-linked nanogels covalently linked to polyethylene glycol. We demonstrated the hydrodynamic performance, durability, and hemocompatibility of coated valves. The coating did not increase the contact phase activation of coagulation, and it prevented plasma protein adsorption, platelet adhesion, and thrombus formation. Implantation of coated valves in nonanticoagulated pigs for 1 month efficiently reduced valve thrombosis compared with noncoated valves. CONCLUSION Our coating efficiently inhibited mechanical valve thrombosis, which might solve the issues of anticoagulant use in patients and the number of revision surgeries due to valve thrombosis despite anticoagulation.
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Affiliation(s)
- Patrizio Lancellotti
- Laboratory of Cardiology, GIGA Institute, and Department of Cardiology, Centre Hospitalier Universitaire of Liège, University of Liège Hospital, Liège, Belgium
| | - Abdelhafid Aqil
- Center for Education and Research on Macromolecules, CESAM Research Unit, University of Liège, Liège, Belgium
| | - Lucia Musumeci
- Laboratory of Cardiology, GIGA Institute, and Department of Cardiology, Centre Hospitalier Universitaire of Liège, University of Liège Hospital, Liège, Belgium
| | - Nicolas Jacques
- Laboratory of Cardiology, GIGA Institute, and Department of Cardiology, Centre Hospitalier Universitaire of Liège, University of Liège Hospital, Liège, Belgium
| | - Bartosz Ditkowski
- Laboratory of Cardiology, GIGA Institute, and Department of Cardiology, Centre Hospitalier Universitaire of Liège, University of Liège Hospital, Liège, Belgium
| | - Margaux Debuisson
- Laboratory of Cardiology, GIGA Institute, and Department of Cardiology, Centre Hospitalier Universitaire of Liège, University of Liège Hospital, Liège, Belgium
| | - Marc Thiry
- Laboratory of Cellular and Tissular Biology, GIGA-Neurosciences, Cell Biology, University of Liège, Liège, Belgium
| | - Julien Dupont
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Alexandra Gougnard
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Charlotte Sandersen
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Jean-Paul Cheramy-Bien
- Department of Cardiovascular and Thoracic Surgery, Centre Hospitalier Universitaire of Liège, University of Liège, Liège, Belgium; Surgical Research Center, GIGA-Cardiovascular Science Unit, University of Liège, Liège, Belgium
| | - Natzi Sakalihasan
- Department of Cardiovascular and Thoracic Surgery, Centre Hospitalier Universitaire of Liège, University of Liège, Liège, Belgium; Surgical Research Center, GIGA-Cardiovascular Science Unit, University of Liège, Liège, Belgium
| | - Alain Nchimi
- Laboratory of Cardiology, GIGA Institute, and Department of Cardiology, Centre Hospitalier Universitaire of Liège, University of Liège Hospital, Liège, Belgium
| | - Christophe Detrembleur
- Center for Education and Research on Macromolecules, CESAM Research Unit, University of Liège, Liège, Belgium
| | - Christine Jérôme
- Center for Education and Research on Macromolecules, CESAM Research Unit, University of Liège, Liège, Belgium
| | - Cécile Oury
- Laboratory of Cardiology, GIGA Institute, and Department of Cardiology, Centre Hospitalier Universitaire of Liège, University of Liège Hospital, Liège, Belgium.
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13
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Wang Z, Li R, Zhang Y, Chan CLC, Haataja JS, Yu K, Parker RM, Vignolini S. Tuning the Color of Photonic Glass Pigments by Thermal Annealing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2207923. [PMID: 36482805 DOI: 10.1002/adma.202207923] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/21/2022] [Indexed: 06/17/2023]
Abstract
Thermal or solvent annealing is commonly employed to enhance phase separation and remove defects in block copolymer (BCP) films, leading to well-resolved nanostructures. Annealing is of particular importance for photonic BCP materials, where large, well-ordered lamellar domains are required to generate strong reflections at visible wavelengths. However, such strategies have not been considered for porous BCP systems, such as inverse photonic glasses, where the structure (and thus the optical response) is no longer defined solely by the chemical compatibility of the blocks, but by the size and arrangement of voids within the BCP matrix. In this study, a demonstration of how the concept of "thermal annealing" can be applied to bottlebrush block copolymer (BBCP) microparticles with a photonic glass architecture is presented, enabling their coloration to be tuned from blue to red. By comparing biocompatible BBCPs with similar composition, but different thermal behavior, it is shown that this process is driven by both a temperature-induced softening of the BBCP matrix (i.e., polymer mobility) and the absence of microphase separation (enabling diffusion-induced swelling of the pores). Last, this concept is applied toward the production of a thermochromic patterned hydrogel, exemplifying the potential of such responsive biocompatible photonic-glass pigments toward smart labeling or anticounterfeiting applications.
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Affiliation(s)
- Zhen Wang
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Ruiting Li
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Yating Zhang
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Chun Lam Clement Chan
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Johannes S Haataja
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Kui Yu
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Richard M Parker
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Silvia Vignolini
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
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14
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Sugawa K, Suzuki A, Honda J, Yabuki T, Tahara H, Hayakawa Y, Furuya M, Ikake H, Kimura T, Kosuge Y, Kurumi S, Akiyama T, Takase K, Otsuki J. Photothermal therapeutic ability of copper open-shell nanostructures that are effective in the second biological transparency window based on symmetry breaking-induced plasmonic properties. J Mater Chem B 2023. [PMID: 37376903 DOI: 10.1039/d3tb00443k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
In this study, a photothermal therapy agent that works efficiently in the second biological transparency window was developed based on the localized surface plasmon (LSP) resonance of symmetry-broken open-shell nanostructures of low-cost Cu (CuOSNs). The strong LSP resonance and superior photothermal conversion ability in the second biological transparency window were achieved by generating the dipolar bonding mode due to the plasmon hybridization between the nanoshell dipole and the nanohole dipole at the opening edge in CuOSNs derived from the symmetry breaking of a Cu nanoshell. Oxidative dissolution of CuOSNs in water was significantly suppressed by successive coating with the self-assembled monolayer of 16-mercaptohexadecanoic acid and a thin silica layer. Furthermore, the stability in phosphate buffered saline, which models the biological environment, was attained by further coating the nanoparticles with polyethylene glycol. It was demonstrated from in vitro cell tests using HeLa cells that the cytotoxicity of CuOSNs was effectively suppressed by the surface protection. The viability of HeLa cells incubated with CuOSNs was decreased under the irradiation of low intensity 1060 nm laser with increasing number of CuOSNs. These results demonstrate that low-cost symmetry-broken Cu-based nanostructures can act as an excellent photothermal therapy agent in the second biological transparency window.
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Affiliation(s)
- Kosuke Sugawa
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
| | - Arisa Suzuki
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
| | - Jotaro Honda
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
| | - Taiku Yabuki
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
| | - Hironobu Tahara
- Graduate School of Engineering, Nagasaki University, Bunkyo, Nagasaki, 852-8521, Japan
| | - Yutaro Hayakawa
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
| | - Masato Furuya
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
| | - Hiroki Ikake
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
| | - Tsuyoshi Kimura
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yasuhiro Kosuge
- Laboratory of Pharmacology, School of Pharmacy, Nihon University, 7-7-1 Narashinodai, Chiba, Funabashi 274-8555, Japan
| | - Satoshi Kurumi
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
| | - Tsuyoshi Akiyama
- Department of Materials Science, School of Engineering, The University of Shiga Prefecture, Hikone, Shiga 522-8533, Japan
| | - Kouichi Takase
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
| | - Joe Otsuki
- College of Science and Technology, Nihon University, Chiyoda, Tokyo 101-8308, Japan.
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15
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Grübel J, L Albernaz V, Tsianaka A, Jauch CO, Quirin S, Kerger C, Kohl CG, Burger-Kentischer A, Tovar GEM, Southan A. Preparation of multifunctional hydrogels with accessible isothiouronium groups via radical cross-linking copolymerization. Sci Rep 2023; 13:10361. [PMID: 37365250 PMCID: PMC10293292 DOI: 10.1038/s41598-023-36956-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/13/2023] [Indexed: 06/28/2023] Open
Abstract
Hydrogels can be equipped with functional groups for specific purposes. Isothiouronium groups can enhance adsorptivity, or allow coupling of other functional groups through mild reactions after transformation to thiol groups. Here we present a method to prepare multifunctional hydrogels by introducing isothiouronium groups into poly(ethylene glycol) diacrylate (PEGDA) hydrogels, and convert them into thiol-functionalized hydrogels by the reduction of the isothiouronium groups. For this purpose, the amphiphilic monomer 2-(11-(acryloyloxy)-undecyl)isothiouronium bromide (AUITB), containing an isothiouronium group, was synthesized and copolymerized with PEGDA. In this convenient way, it was possible to incorporate up to 3 wt% AUITB into the hydrogels without changing their equilibrium swelling degree. The successful functionalization was demonstrated by surface analysis of the hydrogels with water contact angle measurements and increased isoelectric points of the hydrogel surfaces from 4.5 to 9.0 due to the presence of the isothiouronium groups. The hydrogels showed a suitability as an adsorbent, as exemplified by the pronounced adsorption of the anionic drug diclofenac. The potential of the functionalization for (bio)conjugation reactions was demonstrated by the reduction of isothiouronium groups to thiols and subsequent immobilization of the functional enzyme horseradish peroxidase on the hydrogels. The results show that fully accessible isothiouronium groups can be introduced into radically cross-linked hydrogels.
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Affiliation(s)
- Jana Grübel
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Vanessa L Albernaz
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Anastasia Tsianaka
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Corinna O Jauch
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Silia Quirin
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Christian Kerger
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Christina G Kohl
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Anke Burger-Kentischer
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Günter E M Tovar
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany.
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany.
| | - Alexander Southan
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany.
- Max Planck Institute for Intelligent Systems, Heisenbergstr. 3, 70569, Stuttgart, Germany.
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16
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Turrina C, Klassen A, Milani D, Rojas-González DM, Ledinski G, Auer D, Sartori B, Cvirn G, Mela P, Berensmeier S, Schwaminger SP. Superparamagnetic iron oxide nanoparticles for their application in the human body: Influence of the surface. Heliyon 2023; 9:e16487. [PMID: 37274707 PMCID: PMC10238907 DOI: 10.1016/j.heliyon.2023.e16487] [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: 03/15/2023] [Revised: 05/16/2023] [Accepted: 05/18/2023] [Indexed: 06/06/2023] Open
Abstract
Iron oxide nanoparticles (IONs) are of great interest in nanomedicine for imaging, drug delivery, or for hyperthermia treatment. Although many research groups have focused on the synthesis and application of IONs in nanomedicine, little is known about the influence of the surface properties on the particles' behavior in the human body. This study analyzes the impact of surface coatings (dextran, polyvinyl alcohol, polylactide-co-glycolide) on the nanoparticles' cytocompatibility, agglomeration, degradation, and the resulting oxidative stress induced by the particle degradation. All particles, including bare IONs (BIONs), are highly cytocompatible (>70%) and show no significant toxicity towards smooth muscle cells. Small-angle X-ray scattering profiles visualize the aggregation behavior of nanoparticles and yield primary particle sizes of around 20 nm for the investigated nanoparticles. A combined experimental setup of dynamic light scattering and phenanthroline assay was used to analyze the long-term agglomeration and degradation profile of IONs in simulated body fluids, allowing fast screening of multiple candidates. All particles degraded in simulated endosomal and lysosomal fluid, confirming the pH-dependent dissolution. The degradation rate decreased with the shrinking size of particles leading to a plateau. The fastest Fe2+ release could be measured for the polyvinyl-coated IONs. The analytical setup is ideal for a quick preclinical study of IONs, giving often neglected yet crucial information about the behavior and toxicity of nanoparticles in the human body. Moreover, this study allows for the development and evaluation of novel ferroptosis-inducing agents.
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Affiliation(s)
- Chiara Turrina
- Chair of Bioseparation Engineering, TUM School of Engineering and Design, Technical University of Munich, Germany
| | - Anna Klassen
- Chair of Bioseparation Engineering, TUM School of Engineering and Design, Technical University of Munich, Germany
| | - Davide Milani
- Chair of Bioseparation Engineering, TUM School of Engineering and Design, Technical University of Munich, Germany
| | - Diana M. Rojas-González
- Chair of Medical Materials and Implants, TUM School of Engineering and Design, Munich Institute of Biomedical Engineering, Technical University of Munich, Germany
| | - Gerhard Ledinski
- Division of Medicinal Chemistry, Otto Loewi Research Center, Medical University of Graz, Austria
| | - Doris Auer
- Division of Medical Physics and Biophysics, Gottfried Schatz Research Center, Medical University of Graz, Austria
| | - Barbara Sartori
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/IV, Graz, 8010, Austria
| | - Gerhard Cvirn
- Division of Medicinal Chemistry, Otto Loewi Research Center, Medical University of Graz, Austria
| | - Petra Mela
- Chair of Medical Materials and Implants, TUM School of Engineering and Design, Munich Institute of Biomedical Engineering, Technical University of Munich, Germany
| | - Sonja Berensmeier
- Chair of Bioseparation Engineering, TUM School of Engineering and Design, Technical University of Munich, Germany
| | - Sebastian P. Schwaminger
- Chair of Bioseparation Engineering, TUM School of Engineering and Design, Technical University of Munich, Germany
- Division of Medicinal Chemistry, Otto Loewi Research Center, Medical University of Graz, Austria
- BioTechMed-Graz, Austria
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17
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Oliver-Cervelló L, Martin-Gómez H, Gonzalez-Garcia C, Salmeron-Sanchez M, Ginebra MP, Mas-Moruno C. Protease-degradable hydrogels with multifunctional biomimetic peptides for bone tissue engineering. Front Bioeng Biotechnol 2023; 11:1192436. [PMID: 37324414 PMCID: PMC10267393 DOI: 10.3389/fbioe.2023.1192436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/23/2023] [Indexed: 06/17/2023] Open
Abstract
Mimicking bone extracellular matrix (ECM) is paramount to develop novel biomaterials for bone tissue engineering. In this regard, the combination of integrin-binding ligands together with osteogenic peptides represents a powerful approach to recapitulate the healing microenvironment of bone. In the present work, we designed polyethylene glycol (PEG)-based hydrogels functionalized with cell instructive multifunctional biomimetic peptides (either with cyclic RGD-DWIVA or cyclic RGD-cyclic DWIVA) and cross-linked with matrix metalloproteinases (MMPs)-degradable sequences to enable dynamic enzymatic biodegradation and cell spreading and differentiation. The analysis of the intrinsic properties of the hydrogel revealed relevant mechanical properties, porosity, swelling and degradability to engineer hydrogels for bone tissue engineering. Moreover, the engineered hydrogels were able to promote human mesenchymal stem cells (MSCs) spreading and significantly improve their osteogenic differentiation. Thus, these novel hydrogels could be a promising candidate for applications in bone tissue engineering, such as acellular systems to be implanted and regenerate bone or in stem cells therapy.
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Affiliation(s)
- Lluís Oliver-Cervelló
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, UPC, Barcelona, Spain
| | - Helena Martin-Gómez
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, UPC, Barcelona, Spain
| | - Cristina Gonzalez-Garcia
- Centre for the Cellular Microenvironment, Advanced Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Manuel Salmeron-Sanchez
- Centre for the Cellular Microenvironment, Advanced Research Centre, University of Glasgow, Glasgow, United Kingdom
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, UPC, Barcelona, Spain
- Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Carlos Mas-Moruno
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain
- Barcelona Research Center in Multiscale Science and Engineering, UPC, Barcelona, Spain
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18
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Influence of Polyols on the In Vitro Biodegradation and Bioactivity of 58S Bioactive Sol-Gel Coatings on AZ31B Magnesium Alloys. Polymers (Basel) 2023; 15:polym15051273. [PMID: 36904514 PMCID: PMC10007392 DOI: 10.3390/polym15051273] [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: 01/12/2023] [Revised: 02/17/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
The mechanical qualities of AZ31B magnesium alloys make them a promising material for biodegradable metallic implants. However, rapid degradation limits the application of these alloys. In the present study, 58S bioactive glasses were synthesized using the sol-gel method and several polyols such as glycerol, ethylene glycol, and polyethylene glycol, were used to improve the sol stability and to control the degradation of AZ31B. The synthesized bioactive sols were dip-coated onto AZ31B substrates and then, characterized by various techniques such as scanning electron microscopy (SEM), X-ray diffraction (XRD) and electrochemical techniques (potentiodynamic and electrochemical impedance spectroscopy), among them. FTIR analysis confirmed the formation of a silica, calcium, and phosphate system and the XRD the amorphous nature of the 58S bioactive coatings obtained by sol-gel. The contact angle measurements confirmed that all the coatings were hydrophilic. The biodegradability response under physiological conditions (Hank's solution) was investigated for all the 58S bioactive glass coatings, observing a different behaviour depending on the polyols incorporated. Thus, for 58S PEG coating, an efficient control of the release of H2 gas was observed, and showing a pH control between 7.6 and 7.8 during all the tests. A marked apatite precipitation was also observed on the surface of the 58S PEG coating after the immersion test. Thus, the 58S PEG sol-gel coating is considered a promising alternative for biodegradable magnesium alloy-based medical implants.
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19
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Belec B, Kostevšek N, Pelle GD, Nemec S, Kralj S, Bergant Marušič M, Gardonio S, Fanetti M, Valant M. Silica Coated Bi 2Se 3 Topological Insulator Nanoparticles: An Alternative Route to Retain Their Optical Properties and Make Them Biocompatible. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:809. [PMID: 36903688 PMCID: PMC10005201 DOI: 10.3390/nano13050809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 02/15/2023] [Accepted: 02/19/2023] [Indexed: 06/18/2023]
Abstract
Localized surface plasmon resonance (LSPR) is the cause of the photo-thermal effect observed in topological insulator (TI) bismuth selenide (Bi2Se3) nanoparticles. These plasmonic properties, which are thought to be caused by its particular topological surface state (TSS), make the material interesting for application in the field of medical diagnosis and therapy. However, to be applied, the nanoparticles have to be coated with a protective surface layer, which prevents agglomeration and dissolution in the physiological medium. In this work, we investigated the possibility of using silica as a biocompatible coating for Bi2Se3 nanoparticles, instead of the commonly used ethylene-glycol, which, as is presented in this work, is not biocompatible and alters/masks the optical properties of TI. We successfully prepared Bi2Se3 nanoparticles coated with different silica layer thicknesses. Such nanoparticles, except those with a thick, ≈200 nm silica layer, retained their optical properties. Compared to ethylene-glycol coated nanoparticles, these silica coated nanoparticles displayed an improved photo-thermal conversion, which increased with the increasing thickness of the silica layer. To reach the desired temperatures, a 10-100 times lower concentration of photo-thermal nanoparticles was needed. In vitro experiments on erythrocytes and HeLa cells showed that, unlike ethylene glycol coated nanoparticles, silica coated nanoparticles are biocompatible.
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Affiliation(s)
- Blaž Belec
- Materials Research Laboratory, University of Nova Gorica, 5000 Nova Gorica, Slovenia
| | - Nina Kostevšek
- Department for Nanostructured Materials, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
| | - Giulia Della Pelle
- Department for Nanostructured Materials, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
- Jožef Stefan International Postgraduate School, 1000 Ljubljana, Slovenia
| | - Sebastjan Nemec
- Department for Material Synthesis, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
- Faculty of Pharmacy, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Slavko Kralj
- Department for Material Synthesis, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
- Faculty of Pharmacy, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Martina Bergant Marušič
- Laboratory for Environmental and Life Sciences, University of Nova Gorica, 5000 Nova Gorica, Slovenia
| | - Sandra Gardonio
- Materials Research Laboratory, University of Nova Gorica, 5000 Nova Gorica, Slovenia
| | - Mattia Fanetti
- Materials Research Laboratory, University of Nova Gorica, 5000 Nova Gorica, Slovenia
| | - Matjaž Valant
- Materials Research Laboratory, University of Nova Gorica, 5000 Nova Gorica, Slovenia
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20
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Williams TJ, Jeevarathinam AS, Jivan F, Baldock V, Kim P, McShane MJ, Alge DL. Glucose biosensors based on Michael addition crosslinked poly(ethylene glycol) hydrogels with chemo-optical sensing microdomains. J Mater Chem B 2023; 11:1749-1759. [PMID: 36723375 DOI: 10.1039/d2tb02339c] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Continuous glucose monitoring (CGM) devices have the potential to lead to better disease management and improved outcomes in patients with diabetes. Chemo-optical glucose sensors offer a promising, accurate, long-term alternative to the current CGMs that require frequent calibration and replacement. Recently, we have proposed glucose sensor designs using phosphorescence lifetime-based measurement of chemo-optical glucose sensing microdomains embedded within alginate hydrogels. Due to the poor long-term stability of calcium-crosslinked alginate, we propose poly(ethylene glycol) (PEG) hydrogels synthesized via thiol-Michael addition chemistry as an alternative hydrogel carrier. The objective of this study was to evaluate the suitability of Michael addition crosslinked PEG hydrogels compared to calcium crosslinked alginate hydrogels for encapsulating glucose-sensing microdomains. PEG hydrogels crosslinked via thiol-vinyl sulfone addition achieved gelation in under 5 minutes, resulting in an even distribution of sensing microdomains. The shear storage modulus of the PEG hydrogels was tunable from 2.2 ± 0.1 kPa to 9.5 ± 1.8 kPa, which was comparable to the alginate hydrogels (10.5 ± 0.8 kPa), and the inclusion of microdomains did not significantly impact stiffness. The high water content of PEG hydrogels resulted in high glucose permeability that closely corresponded to the glucose permeability of alginate (D = 0.09 and 0.12 cm2 s-1, respectively; p = 0.47), but the PEG hydrogels exhibited superior stability. Both PEG and alginate-embedded sensors exhibited a sensing range up to ∼200 mg dL-1 glucose. The lower limits of detection (LOD) for PEG and alginate-based glucose sensors were 19.8 and 20.6 mg dL-1 with a difference of just 4.2% variation. The small difference between PEG and alginate embedded sensors indicates that their sensing properties are primarily determined by the glucose sensing microdomains rather than the hydrogel matrix. Overall, the results of this study indicate that Michael addition-crosslinked PEG hydrogels are a promising platform for encapsulation of chemo-optical glucose sensing microdomains.
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Affiliation(s)
- Tyrell J Williams
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA.
| | | | - Faraz Jivan
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA.
| | - Victoria Baldock
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA.
| | - Paul Kim
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA.
| | - Michael J McShane
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA. .,Department of Materials Science and Engineering, Texas A&M University, College Station, Texas, USA
| | - Daniel L Alge
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA. .,Department of Materials Science and Engineering, Texas A&M University, College Station, Texas, USA
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21
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The Impact of Polyethylene Glycol-Modified Chitosan Scaffolds on the Proliferation and Differentiation of Osteoblasts. Int J Biomater 2023; 2023:4864492. [PMID: 36636323 PMCID: PMC9831697 DOI: 10.1155/2023/4864492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 12/20/2022] [Accepted: 12/24/2022] [Indexed: 01/05/2023] Open
Abstract
The objective of this study was to investigate the influence of polyethylene glycol (PEG) incorporated chitosan scaffolds on osteoblasts proliferation and differentiation. The chitosan polymer was initially modified by the predetermined concentration of the photoreactive azido group for UV-crosslinking and with RGD peptides (N-acetyl-GRGDSPGYG-amide). The PEG was mixed at different ratios (0, 10, and 20 wt%) with modified chitosan in 96-well tissue culture polystyrene plates to prepare CHI-100, CHI-90, and CHI-80 scaffolds. PEG-containing scaffolds exhibited bigger pore size and higher water content compared to unmodified chitosan scaffolds. After 10 days of incubation, the cell number of CHI-90 (1.1 × 106 cells/scaffold) surpasses that of CHI-100 (9.2 × 105 cells/scaffold) and the cell number of CHI-80 (7.6 × 105 cells/scaffold) were significantly lower. The ALP activity of CHI-90 was the highest on the fifth day indicating the favored osteoblasts' early-stage differentiation. Moreover, after 14 days of osteogenic culture, calcium deposition in the CHI-90 scaffolds (2.7 μmol Ca/scaffold) was significantly higher than the control (2.2 μmol Ca/scaffold) whereas on CHI-80 was 1.9 μmol/scaffold. The results demonstrate that PEG-incorporated chitosan scaffolds favored osteoblasts proliferation and differentiation; however, mixing relatively excess PEG (≥20% wt.) had a negative impact on osteoblasts proliferation and differentiation.
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22
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Baabu PRS, Kumar HK, Gumpu MB, Babu K J, Kulandaisamy AJ, Rayappan JBB. Iron Oxide Nanoparticles: A Review on the Province of Its Compounds, Properties and Biological Applications. MATERIALS (BASEL, SWITZERLAND) 2022; 16:ma16010059. [PMID: 36614400 PMCID: PMC9820855 DOI: 10.3390/ma16010059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 05/14/2023]
Abstract
Materials science and technology, with the advent of nanotechnology, has brought about innumerable nanomaterials and multi-functional materials, with intriguing yet profound properties, into the scientific realm. Even a minor functionalization of a nanomaterial brings about vast changes in its properties that could be potentially utilized in various applications, particularly for biological applications, as one of the primary needs at present is for point-of-care devices that can provide swifter, accurate, reliable, and reproducible results for the detection of various physiological conditions, or as elements that could increase the resolution of current bio-imaging procedures. In this regard, iron oxide nanoparticles, a major class of metal oxide nanoparticles, have been sweepingly synthesized, characterized, and studied for their essential properties; there are 14 polymorphs that have been reported so far in the literature. With such a background, this review's primary focus is the discussion of the different synthesis methods along with their structural, optical, magnetic, rheological and phase transformation properties. Subsequently, the review has been extrapolated to summarize the effective use of these nanoparticles as contrast agents in bio-imaging, therapeutic agents making use of its immune-toxicity and subsequent usage in hyperthermia for the treatment of cancer, electron transfer agents in copious electrochemical based enzymatic or non-enzymatic biosensors and bactericidal coatings over biomaterials to reduce the biofilm formation significantly.
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Affiliation(s)
- Priyannth Ramasami Sundhar Baabu
- School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur 613 401, Tamil Nadu, India
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Hariprasad Krishna Kumar
- School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur 613 401, Tamil Nadu, India
- Acrophase, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India
| | - Manju Bhargavi Gumpu
- Department of Physics, National Institute of Technology, Tiruchirappalli 620 015, Tamil Nadu, India
| | - Jayanth Babu K
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur 613 401, Tamil Nadu, India
- School of Electrical & Electronics Engineering, SASTRA Deemed University, Thanjavur 613 401, Tamil Nadu, India
| | | | - John Bosco Balaguru Rayappan
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur 613 401, Tamil Nadu, India
- School of Electrical & Electronics Engineering, SASTRA Deemed University, Thanjavur 613 401, Tamil Nadu, India
- Correspondence:
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23
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Wu Q, Li T, Song J, Sun X, Ren X, Fu C, Chen L, Tan L, Niu M, Meng X. A Novel Instantaneous Self-Assembled Hollow MOF-Derived Nanodrug for Microwave Thermo-Chemotherapy in Triple-Negative Breast Cancer. ACS APPLIED MATERIALS & INTERFACES 2022; 14:51656-51668. [PMID: 36355432 DOI: 10.1021/acsami.2c13561] [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: 06/16/2023]
Abstract
Hollow materials derived from metal-organic frameworks (MOFs) have emerged in the biomedical field due to their unique properties, and different synthesis methods have been proposed. However, so far, the large-scale use of hollow MOFs is mostly limited by the timeliness of synthesis methods. Herein, we propose a new ultrasonic aerosol flow strategy for the instantaneous synthesis of a Zr-MOF-derived hollow sphere complex (ZC-HSC) in only one step. Through rapid transient heating, the coordination between metal salts and organic ligands occurs along with prompt evaporation of the solvent. The whole process lasts for only about 21 s, compared with several steps that take hours or even days for conventional synthesis methods. Based on the ZC-HSC, we designed a nanodrug with the functions of manipulating the tumor microenvironment, which can reshape the tumor microenvironment by improving tumor hypoxia and inflammatory microenvironment and promoting antiangiogenic therapy. Combined with microwave thermo-chemotherapy, the nanodrugs effectively treat triple-negative breast cancer (the tumor cell survival rate was only 34.76 and 31.05% in normoxic and hypoxic states, respectively, and the tumor inhibition rate reached 87.9% at the animal level), providing a new theoretical basis for the treatment of triple-negative breast cancer. This rapid, one-step, and continuous ultrasonic aerosol flow strategy has bright prospects in the synthesis of MOF-derived hollow materials and promotes the further development of large-scale applications of biological nanomaterials.
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Affiliation(s)
- Qiong Wu
- Laboratory of Controllable Preparation and Application of Nanomaterials, CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ting Li
- China Rehabilitation Science Institute, Beijing Key Laboratory of Neural Injury and Rehabilitation, China Rehabilitation Research Center, Beijing 100068, China
| | - Jingjing Song
- Laboratory of Controllable Preparation and Application of Nanomaterials, CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Xiaohan Sun
- Department of Interventional Radiology, First Hospital of China Medical University Key Laboratory of Diagnostic Imaging and Interventional Radiology in Liaoning Province, Shenyang 110001, China
| | - Xiangling Ren
- Laboratory of Controllable Preparation and Application of Nanomaterials, CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Changhui Fu
- Laboratory of Controllable Preparation and Application of Nanomaterials, CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Lufeng Chen
- Department of Radiation Oncology, First Clinical Medical School and First Hospital of Shanxi Medical University, Taiyuan 030001, China
| | - Longfei Tan
- Laboratory of Controllable Preparation and Application of Nanomaterials, CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Meng Niu
- Department of Interventional Radiology, First Hospital of China Medical University Key Laboratory of Diagnostic Imaging and Interventional Radiology in Liaoning Province, Shenyang 110001, China
| | - Xianwei Meng
- Laboratory of Controllable Preparation and Application of Nanomaterials, CAS Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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24
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Recent Developments in Additive-Manufactured Intermetallic Compounds for Bio-Implant Applications. J Med Biol Eng 2022. [DOI: 10.1007/s40846-022-00753-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Abstract
Purpose
This paper reviews the recent developments of two newly developed intermetallic compounds (IMCs) of metallic glasses (MGs) and high-entropy alloys (HEAs) as potential implantable biomaterials.
Methods
The paper commences by summarizing the fundamental properties of recently developed MGs and high-entropy alloys (HEAs). A systematic review is presented of the recent literature about the use of AM technology in fabricating MG and HEA components for biological implant applications.
Results
The high strength, low Young’s modulus, and excellent corrosion resistance make these IMCs good candidates as bio-implantable materials. Recent studies have shown that additive manufacturing (AM) techniques provide an advantageous route for the preparation of glassy metallic components due to their intrinsically rapid cooling rates and ability to fabricate parts with virtually no size or complexity constraints. A practical example is conducted by AM producing a porous gradient Ti-based MG spinal cage. The produced MG powders and the in vivo test results on an 18 M-old Lanyu pig confirm the feasibility of the AM technique for producing implantable IMC-based prosthesis.
Conclusion
The non-crystalline structure of MGs alloy and the random crystalline composition of HEAs provide unique material properties that will substantially impact the development of future implantable prostheses.
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25
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Kanti SPY, Csóka I, Jójárt-Laczkovich O, Adalbert L. Recent Advances in Antimicrobial Coatings and Material Modification Strategies for Preventing Urinary Catheter-Associated Complications. Biomedicines 2022; 10:2580. [PMID: 36289841 PMCID: PMC9599887 DOI: 10.3390/biomedicines10102580] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 09/28/2022] [Accepted: 10/06/2022] [Indexed: 11/28/2022] Open
Abstract
In recent years, we have witnessed prominent improvements in urinary catheter coatings to tackle the commonly occurring catheter-associated urinary tract infection (CAUTI) in catheterized patients. CAUTIs are claimed to be one of the most frequent nosocomial infections that can lead to various complications, from catheter encrustation to severe septicaemia and pyelonephritis. Besides general prevention hygienic strategies, antimicrobial-coated urinary catheters show great potential in the prevention of urinary catheter-associated complications. The aim of this review is to present and evaluate recent updates on the development of antimicrobial urinary catheters in the context of the aetiology of urinary malfunction. Subsequently, we shed some light on future perspectives of utilizing 3D printing and the surrounding regulatory directions.
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Affiliation(s)
- S. P. Yamini Kanti
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | | | | | - Lívia Adalbert
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
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26
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Liu J, Enloe C, Li-Oakey KD, Oakey J. Optimizing Immunofunctionalization and Cell Capture on Micromolded Hydrogels via Controlled Oxygen-Inhibited Photopolymerization. ACS APPLIED BIO MATERIALS 2022; 5:5004-5013. [PMID: 36174120 DOI: 10.1021/acsabm.2c00776] [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: 11/29/2022]
Abstract
With circulating tumor cells (CTCs) playing a critical role in cancer metastasis, the quantitation and characterization of CTCs promise to provide precise diagnostic and prognostic information in service of personalized therapies. However, as CTCs are extremely rare, high yield, high purity strategies are required to target and isolate CTCs from patient samples. Recently, we demonstrated the selective capture of CTCs upon antibody-functionalized polyethylene glycol diacrylate (PEGDA) hydrogels photopolymerized within polydimethylsiloxane (PDMS) microfluidic molds. Isolated CTC purity was subsequently enriched by selectively releasing desired cells from photodegradable hydrogel capture surfaces. However, the fabrication of these acrylate-based hydrogels by photopolymerization is subject to oxygen inhibition, which dramatically affects the physical and chemical properties of hydrogel interfaces formed in proximity to PDMS boundaries. To evaluate how antibody conjugation density and cell capture is impacted by fabrication parameters affected by oxygen inhibition, PEGDA hydrogel features were polymerized within PDMS micromolds under different UV exposure conditions and linker (acrylate-PEG-biotin) concentrations. Predictions of acrylate conversion throughout the hydrogel feature were performed using a 1D reaction-diffusion model that describes oxygen-inhibited photopolymerization. The functional consequences of photopolymerization parameters and solution stoichiometry on CTC capture were experimentally quantified and evaluated. Results show that hydrogel surfaces polymerized under shorter exposure times and with higher linker concentrations display superior functionalization and higher CTC capture efficiency. Conversely, highly cross-linked hydrogel surfaces polymerized under longer exposure times are insensitive to functionalization and display poor capture, regardless of linker concentration. By highlighting the importance of oxygen-inhibited photopolymerization, these findings provide guidelines to design micromolded hydrogels with controlled ligand expression. In addition to enhancing the selective cell capture capacity of immunofunctional hydrogels, the ability to quantifiably design hydrogel interfaces described here will improve the sensitivity of hydrogel biosensors, provide a platform to finely screen cell-matrix interactions, and generally enhance the fidelity of micromolded hydrogel features.
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Affiliation(s)
- Jing Liu
- Department of Chemical Engineering, University of Wyoming, Laramie, Wyoming 82071, United States
| | - Cassidy Enloe
- Department of Chemical Engineering, University of Wyoming, Laramie, Wyoming 82071, United States
| | - Katie D Li-Oakey
- Department of Chemical Engineering, University of Wyoming, Laramie, Wyoming 82071, United States
| | - John Oakey
- Department of Chemical Engineering, University of Wyoming, Laramie, Wyoming 82071, United States
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27
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Khan HM, Liao X, Sheikh BA, Wang Y, Su Z, Guo C, Li Z, Zhou C, Cen Y, Kong Q. Smart biomaterials and their potential applications in tissue engineering. J Mater Chem B 2022; 10:6859-6895. [PMID: 36069198 DOI: 10.1039/d2tb01106a] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Smart biomaterials have been rapidly advancing ever since the concept of tissue engineering was proposed. Interacting with human cells, smart biomaterials can play a key role in novel tissue morphogenesis. Various aspects of biomaterials utilized in or being sought for the goal of encouraging bone regeneration, skin graft engineering, and nerve conduits are discussed in this review. Beginning with bone, this study summarizes all the available bioceramics and materials along with their properties used singly or in conjunction with each other to create scaffolds for bone tissue engineering. A quick overview of the skin-based nanocomposite biomaterials possessing antibacterial properties for wound healing is outlined along with skin regeneration therapies using infrared radiation, electrospinning, and piezoelectricity, which aid in wound healing. Furthermore, a brief overview of bioengineered artificial skin grafts made of various natural and synthetic polymers has been presented. Finally, by examining the interactions between natural and synthetic-based biomaterials and the biological environment, their strengths and drawbacks for constructing peripheral nerve conduits are highlighted. The description of the preclinical outcome of nerve regeneration in injury healed with various natural-based conduits receives special attention. The organic and synthetic worlds collide at the interface of nanomaterials and biological systems, producing a new scientific field including nanomaterial design for tissue engineering.
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Affiliation(s)
- Haider Mohammed Khan
- Department of Orthopedics, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Xiaoxia Liao
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Bilal Ahmed Sheikh
- Department of Orthopedics, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Yixi Wang
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Zhixuan Su
- College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.,National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Chuan Guo
- Department of Orthopedics, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Zhengyong Li
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Changchun Zhou
- College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.,National Engineering Research Centre for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Ying Cen
- Department of Burn and Plastic Surgery, West China School of Medicine, West China Hospital, Sichuan University, 610041, Chengdu, China.
| | - Qingquan Kong
- Department of Orthopedics, West China Hospital, Sichuan University, 610041, Chengdu, China.
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Alamdari SG, Alibakhshi A, de la Guardia M, Baradaran B, Mohammadzadeh R, Amini M, Kesharwani P, Mokhtarzadeh A, Oroojalian F, Sahebkar A. Conductive and Semiconductive Nanocomposite-Based Hydrogels for Cardiac Tissue Engineering. Adv Healthc Mater 2022; 11:e2200526. [PMID: 35822350 DOI: 10.1002/adhm.202200526] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/26/2022] [Indexed: 01/27/2023]
Abstract
Cardiovascular disease is the leading cause of death worldwide and the most common cause is myocardial infarction. Therefore, appropriate approaches should be used to repair damaged heart tissue. Recently, cardiac tissue engineering approaches have been extensively studied. Since the creation of the nature of cardiovascular tissue engineering, many advances have been made in cellular and scaffolding technologies. Due to the hydrated and porous structures of the hydrogel, they are used as a support matrix to deliver cells to the infarct tissue. In heart tissue regeneration, bioactive and biodegradable hydrogels are required by simulating native tissue microenvironments to support myocardial wall stress in addition to preserving cells. Recently, the use of nanostructured hydrogels has increased the use of nanocomposite hydrogels and has revolutionized the field of cardiac tissue engineering. Therefore, to overcome the limitation of the use of hydrogels due to their mechanical fragility, various nanoparticles of polymers, metal, and carbon are used in tissue engineering and create a new opportunity to provide hydrogels with excellent properties. Here, the types of synthetic and natural polymer hydrogels, nanocarbon-based hydrogels, and other nanoparticle-based materials used for cardiac tissue engineering with emphasis on conductive nanostructured hydrogels are briefly introduced.
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Affiliation(s)
- Sania Ghobadi Alamdari
- Department of Cell and Molecular Biology, Faculty of Basic Science, University of Maragheh, Maragheh, 83111-55181, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5165665931, Iran
| | - Abbas Alibakhshi
- Molecular Medicine Research Center, Hamadan University of Medical Sciences, Hamadan, 6517838736, Iran
| | - Miguel de la Guardia
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, Burjassot, Valencia, 46100, Spain
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5165665931, Iran
| | - Reza Mohammadzadeh
- Department of Cell and Molecular Biology, Faculty of Basic Science, University of Maragheh, Maragheh, 83111-55181, Iran
| | - Mohammad Amini
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5165665931, Iran
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Ahad Mokhtarzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5165665931, Iran
| | - Fatemeh Oroojalian
- Department of Advanced Technologies, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, 94149-75516, Iran.,Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, 94149-75516, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, 9177899191, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, 9177899191, Iran.,Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, 9177899191, Iran
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29
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Lou J, Mooney DJ. Chemical strategies to engineer hydrogels for cell culture. Nat Rev Chem 2022; 6:726-744. [PMID: 37117490 DOI: 10.1038/s41570-022-00420-7] [Citation(s) in RCA: 88] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/27/2022] [Indexed: 12/12/2022]
Abstract
Two-dimensional and three-dimensional cell culture systems are widely used for biological studies, and are the basis of the organoid, tissue engineering and organ-on-chip research fields in applications such as disease modelling and drug screening. The natural extracellular matrix of tissues, a complex scaffold with varying chemical and mechanical properties, has a critical role in regulating important cellular functions such as spreading, migration, proliferation and differentiation, as well as tissue morphogenesis. Hydrogels are biomaterials that are used in cell culture systems to imitate critical features of a natural extracellular matrix. Chemical strategies to synthesize and tailor the properties of these hydrogels in a controlled manner, and manipulate their biological functions in situ, have been developed. In this Review, we provide the rational design criteria for predictably engineering hydrogels to mimic the properties of the natural extracellular matrix. We highlight the advances in using biocompatible strategies to engineer hydrogels for cell culture along with recent developments to dynamically control the cellular environment by exploiting stimuli-responsive chemistries. Finally, future opportunities to engineer hydrogels are discussed, in which the development of novel chemical methods will probably have an important role.
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30
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Wang Z, Chan CLC, Haataja JS, Schertel L, Li R, van de Kerkhof GT, Scherman OA, Parker RM, Vignolini S. Deconvoluting the Optical Response of Biocompatible Photonic Pigments. Angew Chem Int Ed Engl 2022; 61:e202206562. [PMID: 35723924 PMCID: PMC9542403 DOI: 10.1002/anie.202206562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Indexed: 11/21/2022]
Abstract
To unlock the widespread use of block copolymers as photonic pigments, there is an urgent need to consider their environmental impact (cf. microplastic pollution). Here we show how an inverse photonic glass architecture can enable the use of biocompatible bottlebrush block copolymers (BBCPs), which otherwise lack the refractive index contrast needed for a strong photonic response. A library of photonic pigments is produced from poly(norbornene-graft-polycaprolactone)-block-poly(norbornene-graft-polyethylene glycol), with the color tuned via either the BBCP molecular weight or the processing temperature upon microparticle fabrication. The structure-optic relationship between the 3D porous morphology of the microparticles and their complex optical response is revealed by both an analytical scattering model and 3D finite-difference time domain (FDTD) simulations. Combined, this allows for strategies to enhance the color purity to be proposed and realized with our biocompatible BBCP system.
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Affiliation(s)
- Zhen Wang
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Chun Lam Clement Chan
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Johannes S. Haataja
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Lukas Schertel
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
- Department of PhysicsUniversity of FribourgChemin du Musée 31700FribourgSwitzerland
| | - Ruiting Li
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Gea T. van de Kerkhof
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Oren A. Scherman
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Richard M. Parker
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Silvia Vignolini
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
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31
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Wang Z, Chan CLC, Haataja JS, Schertel L, Li R, van de Kerkhof GT, Scherman OA, Parker RM, Vignolini S. Deconvoluting the Optical Response of Biocompatible Photonic Pigments. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 134:e202206562. [PMID: 38504795 PMCID: PMC10946993 DOI: 10.1002/ange.202206562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Indexed: 11/08/2022]
Abstract
To unlock the widespread use of block copolymers as photonic pigments, there is an urgent need to consider their environmental impact (cf. microplastic pollution). Here we show how an inverse photonic glass architecture can enable the use of biocompatible bottlebrush block copolymers (BBCPs), which otherwise lack the refractive index contrast needed for a strong photonic response. A library of photonic pigments is produced from poly(norbornene-graft-polycaprolactone)-block-poly(norbornene-graft-polyethylene glycol), with the color tuned via either the BBCP molecular weight or the processing temperature upon microparticle fabrication. The structure-optic relationship between the 3D porous morphology of the microparticles and their complex optical response is revealed by both an analytical scattering model and 3D finite-difference time domain (FDTD) simulations. Combined, this allows for strategies to enhance the color purity to be proposed and realized with our biocompatible BBCP system.
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Affiliation(s)
- Zhen Wang
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Chun Lam Clement Chan
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Johannes S. Haataja
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Lukas Schertel
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
- Department of PhysicsUniversity of FribourgChemin du Musée 31700FribourgSwitzerland
| | - Ruiting Li
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Gea T. van de Kerkhof
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Oren A. Scherman
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Richard M. Parker
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Silvia Vignolini
- Melville Laboratory for Polymer SynthesisYusuf Hamied Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
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32
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Sukhanova A, Bozrova S, Gerasimovich E, Baryshnikova M, Sokolova Z, Samokhvalov P, Guhrenz C, Gaponik N, Karaulov A, Nabiev I. Dependence of Quantum Dot Toxicity In Vitro on Their Size, Chemical Composition, and Surface Charge. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:2734. [PMID: 36014600 PMCID: PMC9416395 DOI: 10.3390/nano12162734] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/05/2022] [Accepted: 08/05/2022] [Indexed: 06/09/2023]
Abstract
Semiconductor nanocrystals known as quantum dots (QDs) are of great interest for researchers and have potential use in various applications in biomedicine, such as in vitro diagnostics, molecular tracking, in vivo imaging, and drug delivery. Systematic analysis of potential hazardous effects of QDs is necessary to ensure their safe use. In this study, we obtained water-soluble core/shell QDs differing in size, surface charge, and chemical composition of the core. All the synthesized QDs were modified with polyethylene glycol derivatives to obtain outer organic shells protecting them from degradation. The physical and chemical parameters were fully characterized. In vitro cytotoxicity of the QDs was estimated in both normal and tumor cell lines. We demonstrated that QDs with the smallest size had the highest in vitro cytotoxicity. The most toxic QDs were characterized by a low negative surface charge, while positively charged QDs were less cytotoxic, and QDs with a greater negative charge were the least toxic. In contrast, the chemical composition of the QD core did not noticeably affect the cytotoxicity in vitro. This study provides a better understanding of the influence of the QD parameters on their cytotoxicity and can be used to improve the design of QDs.
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Affiliation(s)
- Alyona Sukhanova
- Laboratoire de Recherche en Nanosciences, LRN-EA4682, Université de Reims Champagne-Ardenne, 51100 Reims, France
| | - Svetlana Bozrova
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
| | - Evgeniia Gerasimovich
- Laboratoire de Recherche en Nanosciences, LRN-EA4682, Université de Reims Champagne-Ardenne, 51100 Reims, France
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
| | - Maria Baryshnikova
- Laboratory of Experimental Diagnostics and Biotherapy of Tumors, N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russian Federation, 115478 Moscow, Russia
| | - Zinaida Sokolova
- Laboratory of Experimental Diagnostics and Biotherapy of Tumors, N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russian Federation, 115478 Moscow, Russia
| | - Pavel Samokhvalov
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
| | - Chris Guhrenz
- Physical Chemistry, Technische Universität Dresden, Zellescher Weg 19, 01069 Dresden, Germany
| | - Nikolai Gaponik
- Physical Chemistry, Technische Universität Dresden, Zellescher Weg 19, 01069 Dresden, Germany
| | - Alexander Karaulov
- Department of Clinical Immunology and Allergology, Institute of Molecular Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119146 Moscow, Russia
| | - Igor Nabiev
- Laboratoire de Recherche en Nanosciences, LRN-EA4682, Université de Reims Champagne-Ardenne, 51100 Reims, France
- Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
- Department of Clinical Immunology and Allergology, Institute of Molecular Medicine, Sechenov First Moscow State Medical University (Sechenov University), 119146 Moscow, Russia
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33
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Current Advances in the Development of Hydrogel-Based Wound Dressings for Diabetic Foot Ulcer Treatment. Polymers (Basel) 2022; 14:polym14142764. [PMID: 35890541 PMCID: PMC9320667 DOI: 10.3390/polym14142764] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/10/2022] [Accepted: 06/21/2022] [Indexed: 02/06/2023] Open
Abstract
Diabetic foot ulcers (DFUs) are one of the most prevalent complications associated with diabetes mellitus. DFUs are chronic injuries that often lead to non-traumatic lower extremity amputations, due to persistent infection and other ulcer-related side effects. Moreover, these complications represent a significant economic burden for the healthcare system, as expensive medical interventions are required. In addition to this, the clinical treatments that are currently available have only proven moderately effective, evidencing a great need to develop novel strategies for the improved treatment of DFUs. Hydrogels are three-dimensional systems that can be fabricated from natural and/or synthetic polymers. Due to their unique versatility, tunability, and hydrophilic properties, these materials have been extensively studied for different types of biomedical applications, including drug delivery and tissue engineering applications. Therefore, this review paper addresses the most recent advances in hydrogel wound dressings for effective DFU treatment, providing an overview of current perspectives and challenges in this research field.
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34
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Khalili A, Noziere R, Vaughn ET, Freeman JW. Self‐actuating
multilayer scaffold for skeletal muscle tissue engineering. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Amin Khalili
- Department of Biomedical Engineering Rutgers University Piscataway New Jersey USA
| | - Rocheny Noziere
- Department of Biomedical Engineering Rutgers University Piscataway New Jersey USA
| | - Emma Tuberty Vaughn
- Department of Biomedical Engineering Rutgers University Piscataway New Jersey USA
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35
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Schreiner T, Ronzheimer A, Friz M, Morlock G. Multiplex planar bioassay with reduced diffusion on normal phase, identifying androgens, verified antiandrogens and synergists in botanicals via 12D hyphenation. Food Chem 2022; 395:133610. [DOI: 10.1016/j.foodchem.2022.133610] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 05/29/2022] [Accepted: 06/28/2022] [Indexed: 01/07/2023]
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36
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PEG-in-PDMS drops stabilised by soft silicone skins as a model system for elastocapillary emulsions with explicit morphology control. J Colloid Interface Sci 2022; 628:1044-1057. [DOI: 10.1016/j.jcis.2022.07.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/01/2022] [Accepted: 07/04/2022] [Indexed: 11/19/2022]
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37
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Montazerian H, Davoodi E, Baidya A, Baghdasarian S, Sarikhani E, Meyer CE, Haghniaz R, Badv M, Annabi N, Khademhosseini A, Weiss PS. Engineered Hemostatic Biomaterials for Sealing Wounds. Chem Rev 2022; 122:12864-12903. [PMID: 35731958 DOI: 10.1021/acs.chemrev.1c01015] [Citation(s) in RCA: 86] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hemostatic biomaterials show great promise in wound control for the treatment of uncontrolled bleeding associated with damaged tissues, traumatic wounds, and surgical incisions. A surge of interest has been directed at boosting hemostatic properties of bioactive materials via mechanisms triggering the coagulation cascade. A wide variety of biocompatible and biodegradable materials has been applied to the design of hemostatic platforms for rapid blood coagulation. Recent trends in the design of hemostatic agents emphasize chemical conjugation of charged moieties to biomacromolecules, physical incorporation of blood-coagulating agents in biomaterials systems, and superabsorbing materials in either dry (foams) or wet (hydrogel) states. In addition, tough bioadhesives are emerging for efficient and physical sealing of incisions. In this Review, we highlight the biomacromolecular design approaches adopted to develop hemostatic bioactive materials. We discuss the mechanistic pathways of hemostasis along with the current standard experimental procedures for characterization of the hemostasis efficacy. Finally, we discuss the potential for clinical translation of hemostatic technologies, future trends, and research opportunities for the development of next-generation surgical materials with hemostatic properties for wound management.
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Affiliation(s)
- Hossein Montazerian
- Department of Bioengineering, University of California, Los Angeles, 410 Westwood Plaza, Los Angeles, California 90095, United States.,California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States.,Terasaki Institute for Biomedical Innovation, Los Angeles, California 90024, United States
| | - Elham Davoodi
- Department of Bioengineering, University of California, Los Angeles, 410 Westwood Plaza, Los Angeles, California 90095, United States.,California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States.,Terasaki Institute for Biomedical Innovation, Los Angeles, California 90024, United States.,Multi-Scale Additive Manufacturing Lab, Mechanical and Mechatronics Engineering Department, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Avijit Baidya
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Sevana Baghdasarian
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Einollah Sarikhani
- Department of Bioengineering, University of California, Los Angeles, 410 Westwood Plaza, Los Angeles, California 90095, United States
| | - Claire Elsa Meyer
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Reihaneh Haghniaz
- Terasaki Institute for Biomedical Innovation, Los Angeles, California 90024, United States
| | - Maryam Badv
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States.,Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States.,Department of Biomedical Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Nasim Annabi
- Department of Bioengineering, University of California, Los Angeles, 410 Westwood Plaza, Los Angeles, California 90095, United States.,Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation, Los Angeles, California 90024, United States
| | - Paul S Weiss
- Department of Bioengineering, University of California, Los Angeles, 410 Westwood Plaza, Los Angeles, California 90095, United States.,California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States.,Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States.,Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
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38
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Droplet Spreading Characteristics on Ultra-Slippery Solid Hydrophilic Surfaces with Ultra-Low Contact Angle Hysteresis. COATINGS 2022. [DOI: 10.3390/coatings12060755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
Dynamic interactions of the droplet impact on a solid surface are essential to many emerging applications, such as electronics cooling, ink-jet printing, water harvesting/collection, anti-frosting/icing, and microfluidic and biomedical device applications. Despite extensive studies on the kinematic features of the droplet impact on a surface over the last two decades, the spreading characteristics of the droplet impact on a solid hydrophilic surface with ultra-low contact angle hysteresis are unclear. This paper clarifies the specific role of the contact angle and contact angle hysteresis at each stage of the droplet impact and spreading process. The spreading characteristics of the droplet impact on an ultra-slippery hydrophilic solid surface are systematically compared with those on plain hydrophilic, hydroxylated hydrophilic, and plain hydrophobic surfaces. The results reveal that the maximum spreading factor (βmax) of impacting droplets is mainly dependent on the contact angle and We. βmax increases with the increase in We and the decrease in the contact angle. Low contact angle hysteresis can decrease the time required to reach the maximum spreading diameter and the time interval during which the maximum spreading diameter is maintained when the contact angles are similar. Moreover, the effect of the surface inclination angle on the spreading and slipping dynamics of impacting droplets is investigated. With the increase in the inclination angle and We, the gliding distance of the impacting droplet becomes longer. Ultra-low contact angle hysteresis enables an impacting droplet to slip continuously on the ultra-slippery hydrophilic surface without being pinned to the surface. The findings of this work not only show the important role of the surface wettability in droplet spreading characteristics but also present a pathway to controlling the dynamic interactions of impacting droplets with ultra-slippery hydrophilic surfaces.
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39
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Yarysheva AY, Bakirov AV, Yarysheva LM, Arzhakov MS, Arzhakova OV, Chvalun SN. Unique structure and new thermophysical properties of poly(ethylene oxide) in nanocomposites based on nanoporous polypropylene matrices. J Appl Polym Sci 2022. [DOI: 10.1002/app.52424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | | | | | - Maxim S. Arzhakov
- Faculty of Chemistry Lomonosov Moscow State University Moscow Russia
| | - Olga V. Arzhakova
- Faculty of Chemistry Lomonosov Moscow State University Moscow Russia
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40
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Kalelkar PP, Riddick M, García AJ. Biomaterial-based delivery of antimicrobial therapies for the treatment of bacterial infections. NATURE REVIEWS. MATERIALS 2022; 7:39-54. [PMID: 35330939 PMCID: PMC8938918 DOI: 10.1038/s41578-021-00362-4] [Citation(s) in RCA: 157] [Impact Index Per Article: 78.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
UNLABELLED The rise in antibiotic-resistant bacteria, including strains that are resistant to last-resort antibiotics, and the limited ability of antibiotics to eradicate biofilms, have necessitated the development of alternative antibacterial therapeutics. Antibacterial biomaterials, such as polycationic polymers, and biomaterial-assisted delivery of non-antibiotic therapeutics, such as bacteriophages, antimicrobial peptides and antimicrobial enzymes, have improved our ability to treat antibiotic-resistant and recurring infections. Biomaterials not only allow targeted delivery of multiple agents, but also sustained release at the infection site, thereby reducing potential systemic adverse effects. In this Review, we discuss biomaterial-based non-antibiotic antibacterial therapies for the treatment of community- and hospital-acquired infectious diseases, with a focus in in vivo results. We highlight the translational potential of different biomaterial-based strategies, and provide a perspective on the challenges associated with their clinical translation. Finally, we discuss the future scope of biomaterial-assisted antibacterial therapies. WEB SUMMARY The development of antibiotic tolerance and resistance has demanded the search for alternative antibacterial therapies. This Review discusses antibacterial biomaterials and biomaterial-assisted delivery of non-antibiotic therapeutics for the treatment of bacterial infectious diseases, with a focus on clinical translation.
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Affiliation(s)
- Pranav P. Kalelkar
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Milan Riddick
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Andrés J. García
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332, USA
- Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
- author to whom correspondence should be addressed:
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41
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Lee JT, Wyatt BC, Davis GA, Masterson AN, Pagan AL, Shah A, Anasori B, Sardar R. Covalent Surface Modification of Ti 3C 2T x MXene with Chemically Active Polymeric Ligands Producing Highly Conductive and Ordered Microstructure Films. ACS NANO 2021; 15:19600-19612. [PMID: 34786933 DOI: 10.1021/acsnano.1c06670] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
As interest continues to grow in Ti3C2Tx and other related MXenes, advancement in methods of manipulation of their surface functional groups beyond synthesis-based surface terminations (Tx: -F, -OH, and ═O) can provide mechanisms to enhance solution processability as well as produce improved solid-state device architectures and coatings. Here, we report a chemically important surface modification approach in which "solvent-like" polymers, polyethylene glycol carboxylic acid (PEG6-COOH), are covalently attached onto MXenes via esterification chemistry. Surface modification of Ti3C2Tx with PEG6-COOH with large ligand loading (up to 14% by mass) greatly enhances dispersibility in a wide range of nonpolar organic solvents (e.g., 2.88 mg/mL in chloroform) without oxidation of Ti3C2Tx two-dimensional flakes or changes in the structure ordering. Furthermore, cooperative interactions between polymer chains improve the nanoscale assembly of uniform microstructures of stacked MXene-PEG6 flakes into ordered thin films with excellent electrical conductivity (∼16,200 S·cm-1). Most importantly, our covalent surface modification approach with ω-functionalized PEG6 ligands (ω-PEG6-COOH, where ω: -NH2, -N3, -CH═CH2) allows for control over the degree of functionalization (incorporation of valency) of MXene. We believe that installing valency onto MXenes through short, ion conducting PEG ligands without compromising MXenes' features such as solution processability, structural stability, and electrical conductivity further enhance MXenes surface chemistry tunability and performance and widens their applications.
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Affiliation(s)
- Jacob T Lee
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Brian C Wyatt
- Department of Mechanical and Energy Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Gregory A Davis
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Adrianna N Masterson
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Amber L Pagan
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Archit Shah
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Babak Anasori
- Department of Mechanical and Energy Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
- Integrated Nanosystems Development Institute, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Rajesh Sardar
- Department of Chemistry and Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
- Integrated Nanosystems Development Institute, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
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42
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Rafiee Z, Omidi S. Modification of carbon-based nanomaterials by polyglycerol: recent advances and applications. RSC Adv 2021; 12:181-192. [PMID: 35424494 PMCID: PMC8978678 DOI: 10.1039/d1ra07554c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 12/07/2021] [Indexed: 12/12/2022] Open
Abstract
Hyperbranched polymers, a subclass of dendritic polymers, mimic nature's components such as trees and nerves. Hyperbranched polyglycerol (HPG) is a hyperbranched polyether with outstanding physicochemical properties, including high water-solubility and functionality, biocompatibility, and an antifouling feature. HPG has attracted great interest in the modification of different objects, in particular carbon-based nanomaterials. In this review, recent advances in the synthesis and application of HPG to modify carbon-based nanomaterials, including graphene, carbon nanotubes, fullerene, nanodiamonds, carbon dots, and carbon fibers, are reviewed.
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Affiliation(s)
- Zeinab Rafiee
- Department of Chemistry, Malayer University Malayer Iran
| | - Sakineh Omidi
- Shahid Beheshti University of Medical Sciences Tehran Iran +98-9181438542
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43
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Khetan S. Cryopreservation of network bioactivity and multi-lineage stromal cell differentiation potential within three-dimensional synthetic hydrogels. Cryobiology 2021; 105:41-49. [PMID: 34922883 DOI: 10.1016/j.cryobiol.2021.12.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/12/2021] [Accepted: 12/14/2021] [Indexed: 11/30/2022]
Abstract
Despite progress in many aspects of controlling cell behavior within synthetic three-dimensional hydrogels, approaches to cryopreserve these systems - encompassing the protection of both encapsulated cell viability and network bioactive functions - are lacking. Here, we demonstrate the retention of encapsulated human mesenchymal stromal cell (hMSC) viability following in situ cryopreservation regardless of cell line, material system, or storage duration. Further, the preservation extends to network bioactive functions, with hMSCs cryopreserved within degradable and adhesive hyaluronic-acid (HA) based hydrogels exhibiting degradation-mediated spreading within the gels equivalent to their non-frozen counterparts. Finally, the platform cryopreservation protocol preserves multi-lineage cellular differentiation capacity, with encapsulated hMSCs in non-degradable and adhesive/degradable HA-based hydrogels undergoing rates of adipogenesis and osteogenesis, respectively, equivalent to those in non-frozen gels on a per-cell basis. Collectively, these findings indicate a versatile platform technology that contributes to an increased understanding of three-dimensional cell-matrix interactions, and which may enable the indefinite cryopreservation of tissue engineering constructs for clinical applications.
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Affiliation(s)
- Sudhir Khetan
- Department of Electrical, Computer, and Biomedical Engineering, Union College, Schenectady, NY, USA.
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Diethyldithiocarbamate/silk fibroin/polyethylene oxide nanofibrous for cancer therapy: Fabrication, characterization and in vitro evaluation. Int J Biol Macromol 2021; 193:293-299. [PMID: 34656539 DOI: 10.1016/j.ijbiomac.2021.10.039] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/06/2021] [Accepted: 10/06/2021] [Indexed: 01/07/2023]
Abstract
Cancer has become a serious disease threatening human health. To tackle this issue, developing the existing potent anticancer drugs is critical to reducing the time and cost associated with creating a new drug from scratch. Diethyldithiocarbamate (DDC) - an anticancer drug- has received considerable attention due to its selectivity and reactivity. In this study, we prepared a nanofibrous matrix from silk fibroin/polyethylene oxide loaded with diethyldithiocarbamate (DDC@SF/PEO) from an aqueous solution via an electrospinning process. Upon DDC incorporation, the nanofiber's diameter has increased from 450 nm (SF/PEO) to 1202 nm (DDC@SF/PEO) confirming the successful incorporation of DDC. Furthermore, the hydrophobicity of DDC@SF/PEO nanofibrous matrix was improved by turning SF structure from random coil (silk I) to β-sheet (silk II) through ethanol vapor treatment. Biocompatibility of DDC@SF/PEO nanofibrous matrix on human normal cells (Wi-38) showed it was safe and the apoptosis-mediated anticancer activity of DDC was enhanced. Thus, loading DDC on SF/PEO nanofibrous matrix is the key descriptor for enhanced anticancer efficacy of DDC. Considering the all-aqueous and simplistic process, the DDC@SF/PEO nanofibrous matrix could be a promising candidate for cancer treatment applications.
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45
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Mishra N, Gandhi R, Vasava D. The Thermo-Mechanical and Fluorescent Properties of Polyesters: A Review. POLYMER SCIENCE SERIES B 2021. [DOI: 10.1134/s1560090421060191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Analysis of Nanotoxicity with Integrated Omics and Mechanobiology. NANOMATERIALS 2021; 11:nano11092385. [PMID: 34578701 PMCID: PMC8470953 DOI: 10.3390/nano11092385] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/06/2021] [Accepted: 09/09/2021] [Indexed: 12/13/2022]
Abstract
Nanoparticles (NPs) in biomedical applications have benefits owing to their small size. However, their intricate and sensitive nature makes an evaluation of the adverse effects of NPs on health necessary and challenging. Since there are limitations to conventional toxicological methods and omics analyses provide a more comprehensive molecular profiling of multifactorial biological systems, omics approaches are necessary to evaluate nanotoxicity. Compared to a single omics layer, integrated omics across multiple omics layers provides more sensitive and comprehensive details on NP-induced toxicity based on network integration analysis. As multi-omics data are heterogeneous and massive, computational methods such as machine learning (ML) have been applied for investigating correlation among each omics. This integration of omics and ML approaches will be helpful for analyzing nanotoxicity. To that end, mechanobiology has been applied for evaluating the biophysical changes in NPs by measuring the traction force and rigidity sensing in NP-treated cells using a sub-elastomeric pillar. Therefore, integrated omics approaches are suitable for elucidating mechanobiological effects exerted by NPs. These technologies will be valuable for expanding the safety evaluations of NPs. Here, we review the integration of omics, ML, and mechanobiology for evaluating nanotoxicity.
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Liu H, Mei Y, Zhao Q, Zhang A, Tang L, Gao H, Wang W. Black Phosphorus, an Emerging Versatile Nanoplatform for Cancer Immunotherapy. Pharmaceutics 2021; 13:1344. [PMID: 34575419 PMCID: PMC8466662 DOI: 10.3390/pharmaceutics13091344] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/15/2021] [Accepted: 08/24/2021] [Indexed: 12/13/2022] Open
Abstract
Black phosphorus (BP) is one of the emerging versatile nanomaterials with outstanding biocompatibility and biodegradability, exhibiting great potential as a promising inorganic nanomaterial in the biomedical field. BP nanomaterials possess excellent ability for valid bio-conjugation and molecular loading in anticancer therapy. Generally, BP nanomaterials can be classified into BP nanosheets (BPNSs) and BP quantum dots (BPQDs), both of which can be synthesized through various preparation routes. In addition, BP nanomaterials can be applied as photothermal agents (PTA) for the photothermal therapy (PTT) due to their high photothermal conversion efficiency and larger extinction coefficients. The generated local hyperpyrexia leads to thermal elimination of tumor. Besides, BP nanomaterials are capable of producing singlet oxygen, which enable its application as a photosensitizer for photodynamic therapy (PDT). Moreover, BP nanomaterials can be oxidized and degraded to nontoxic phosphonates and phosphate under physiological conditions, improving their safety as a nano drug carrier in cancer therapy. Recently, it has been reported that BP-based PTT is capable of activating immune responses and alleviating the immunosuppressive tumor microenvironment by detection of T lymphocytes and various immunocytokines, indicating that BP-based nanocomposites not only serve as effective PTAs to ablate large solid tumors but also function as an immunomodulation agent to eliminate discrete tumorlets. Therefore, BP-mediated immunotherapy would provide more possibilities for synergistic cancer treatment.
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Affiliation(s)
- Hao Liu
- Department of Pharmacy, Guangdong Food and Drug Vocational College, Guangzhou 510520, China;
| | - Yijun Mei
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China; (Y.M.); (Q.Z.); (A.Z.); (L.T.)
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Qingqing Zhao
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China; (Y.M.); (Q.Z.); (A.Z.); (L.T.)
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Aining Zhang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China; (Y.M.); (Q.Z.); (A.Z.); (L.T.)
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Lu Tang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China; (Y.M.); (Q.Z.); (A.Z.); (L.T.)
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China
| | - Hongbin Gao
- Department of Pharmacy, Baoshan Branch, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200444, China
| | - Wei Wang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China; (Y.M.); (Q.Z.); (A.Z.); (L.T.)
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, China
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Abstract
The green nanocomposites have elite features of sustainable polymers and eco-friendly nanofillers. The green or eco-friendly nanomaterials are low cost, lightweight, eco-friendly, and highly competent for the range of energy applications. This article initially expresses the notions of eco-polymers, eco-nanofillers, and green nanocomposites. Afterward, the energy-related applications of the green nanocomposites have been specified. The green nanocomposites have been used in various energy devices such as solar cells, batteries, light-emitting diodes, etc. The main focus of this artifact is the energy storage application of green nanocomposites. The capacitors have been recognized as corporate devices for energy storage, particularly electrical energy. In this regard, high-performance supercapacitors have been proposed based on sustainable nanocomposites. Consequently, this article presents various approaches providing key knowledge for the design and development of multi-functional energy storage materials. In addition, the future prospects of the green nanocomposites towards energy storage have been discussed.
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Hurtuková K, Fajstavrová K, Rimpelová S, Vokatá B, Fajstavr D, Kasálková NS, Siegel J, Švorčík V, Slepička P. Antibacterial Properties of a Honeycomb-like Pattern with Cellulose Acetate and Silver Nanoparticles. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4051. [PMID: 34300969 PMCID: PMC8306805 DOI: 10.3390/ma14144051] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/14/2021] [Accepted: 07/16/2021] [Indexed: 12/03/2022]
Abstract
This study involved the preparation and characterization of structures with a honeycomb-like pattern (HCP) formed using the phase separation method using a solution mixture of chloroform and methanol together with cellulose acetate. Fluorinated ethylene propylene modified by plasma treatment was used as a suitable substrate for the formation of the HCP structures. Further, we modified the HCP structures using silver sputtering (discontinuous Ag nanoparticles) or by adding Ag nanoparticles in PEG into the cellulose acetate solution. The material morphology was then determined using atomic force microscopy (AFM) and scanning electron microscopy (SEM), while the material surface chemistry was studied using energy dispersive spectroscopy (EDS) and wettability was analyzed with goniometry. The AFM and SEM results revealed that the surface morphology of pristine HCP with hexagonal pores changed after additional sample modification with Ag, both via the addition of nanoparticles and sputtering, accompanied with an increase in the roughness of the PEG-doped samples, which was caused by the high molecular weight of PEG and its gel-like structure. The highest amount (approx. 25 at %) of fluorine was detected using the EDS method on the sample with an HCP-like structure, while the lowest amount (0.08%) was measured on the PEG + Ag sample, which revealed the covering of the substrate with biopolymer (the greater fluorine extent means more of the fluorinated substrate is exposed). As expected, the thickness of the Ag layer on the HCP surface depended on the length of sputtering (either 150 s or 500 s). The sputtering times for Ag (150 s and 500 s) corresponded to layers with heights of about 8 nm (3.9 at % of Ag) and 22 nm (10.8 at % of Ag), respectively. In addition, we evaluated the antibacterial potential of the prepared substrate using two bacterial strains, one Gram-positive of S. epidermidis and one Gram-negative of E. coli. The most effective method for the construction of antibacterial surfaces was determined to be sputtering (150 s) of a silver nanolayer onto a HCP-like cellulose structure, which proved to have excellent antibacterial properties against both G+ and G- bacterial strains.
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Affiliation(s)
- Klaudia Hurtuková
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Klára Fajstavrová
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic;
| | - Barbora Vokatá
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic;
| | - Dominik Fajstavr
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Nikola Slepičková Kasálková
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Jakub Siegel
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Václav Švorčík
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
| | - Petr Slepička
- Department of Solid State Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; (K.H.); (K.F.); (D.F.); (N.S.K.); (J.S.); (V.Š.)
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50
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Seto S, Takeda T, Hoshino N, Akutagawa T. Effective Na +-Binding Ability and Molecular Assembly of an Alkylamide-Substituted Penta(ethylene)glycol Derivative. J Phys Chem B 2021; 125:6349-6358. [PMID: 34086464 DOI: 10.1021/acs.jpcb.1c03188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new amphiphilic penta(ethylene glycol) derivative (1) bearing two hydrogen-bonding -CONHC14H29 chains was prepared. Compound 1 exhibited ion-recognition abilities for Na+ and K+, and its properties were compared with those of the macrocyclic [18]crown-6. Although both compound 1 and [18]crown-6 have six ether oxygen atoms (-OC2H2-), the Na+-binding ability of the former was much higher than that of the latter. K+-binding ability of cyclic [18]crown-6 was much higher than its Na+-binding ability, while the reverse was true for acyclic compound 1. Single-crystal X-ray structural analysis of Na+·1·B(Ph)4-·(hexane)2 at 100 K revealed the existence of a wrapped Na+-coordination by six ether and one carbonyl oxygen atoms of 1, which was further stabilized by intramolecular N-H···O═ hydrogen-bonding interactions. The complex phase transition during glass (G) formation and recrystallization was confirmed in the thermal cycle of Na+·1·B(Ph)4-, whose molten state showed two kinds of liquid phases, Na+-complexed (Na+·1) + B(Ph)4- and completely dissociated Na+ + 1 + B(Ph)4-. The Na+ conductivity of the molten state was 2 orders of magnitude higher than that of the G phase.
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Affiliation(s)
- Shinya Seto
- Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
| | - Takashi Takeda
- Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan.,Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Norihisa Hoshino
- Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan.,Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Tomoyuki Akutagawa
- Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan.,Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
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