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Hajebi S, Chamanara M, Nasiri SS, Ghasri M, Mouraki A, Heidari R, Nourmohammadi A. Advances in stimuli-responsive gold nanorods for drug-delivery and targeted therapy systems. Biomed Pharmacother 2024; 180:117493. [PMID: 39353321 DOI: 10.1016/j.biopha.2024.117493] [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: 06/15/2024] [Revised: 09/17/2024] [Accepted: 09/20/2024] [Indexed: 10/04/2024] Open
Abstract
In recent years, the use of gold nanorods (AuNRs) has garnered considerable attention in biomedical applications due to their unique optical and physicochemical properties. They have been considered as potential tools for the advanced treatment of diseases by various stimuli such as magnetic fields, pH, temperature and light in the fields of targeted therapy, imaging and drug delivery. Their biocompatibility and tunable plasmonic properties make them a versatile platform for a range of biomedical applications. While endogenous stimuli have limited cargo delivery control at specific sites, exogenous stimuli are a more favored approach despite their circumscribed penetration depth for releasing the cargo at the specific target. Dual/multi-stimuli responsive AuNTs can be triggered by multiple stimuli for enhanced control and specificity in biomedical applications. This review provides to provide a summary of the biomedical applications of stimuli-responsive AuNRs, including their endogenous and exogenous properties, as well as their dual/multi-functionality and potential for clinical delivery. This review provides a comprehensive review on the improvement of therapeutic efficacy and the effective control of drug release with AuNRs, highlights AuNRs design strategies in recent years, discusses the advantages or challenges so far in the field of AuNRs. Finally, we have addressed the clinical translation bio-integrated nanoassemblies (CTBNs) in this field.
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Affiliation(s)
- Sakineh Hajebi
- Toxicology Research Center, AJA University of Medical Sciences, Tehran, Iran; Biomaterial and Medicinal Chemistry Research Center, AJA University of Medical Science, Tehran, Iran
| | - Mohsen Chamanara
- Toxicology Research Center, AJA University of Medical Sciences, Tehran, Iran; Biomaterial and Medicinal Chemistry Research Center, AJA University of Medical Science, Tehran, Iran
| | - Shadi Sadat Nasiri
- Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, Iran
| | - Mahsa Ghasri
- Adhesive and Resin Department, Polymer Processing Faculty, Iran Polymer and Petrochemical Institute (IPPI), Tehran, Iran
| | - Alireza Mouraki
- Department of Surface Coating and Corrosion, Institute for Color Science and Technology, Tehran, Iran
| | - Reza Heidari
- Cancer Epidemiology Research Center (AJA-CERTC), AJA University of Medical Sciences, Tehran, Iran; Medical Biotechnology Research Center, AJA University of Medical Sciences, Tehran, Iran; Biomaterial and Medicinal Chemistry Research Center, AJA University of Medical Science, Tehran, Iran.
| | - Abbas Nourmohammadi
- Clinical Biomechanics and Ergonomics Research Center, AJA University of Medical Sciences, Tehran, Iran; Research Center of Aerospace Medicine, AJA University of Medical Sciences, Tehran, Iran.
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2
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Zhang M, Shen H, Hakobyan K, Jiang Z, Liang K, Xu J. Robust Hydrogel Actuators Functioning in Multi-Environments Enabled by Thermo-Responsive Polymer Nanoparticle Coatings on Hydrogel Surfaces. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400534. [PMID: 38597736 DOI: 10.1002/smll.202400534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/15/2024] [Indexed: 04/11/2024]
Abstract
Hydrogel actuators with anisotropic structures exhibit reversible responsiveness upon the trigger of various external stimuli, rendering them promising for applications in many fields including artificial muscles and soft robotics. However, their effective operation across multiple environments remains a persistent challenge, even for widely studied thermo-responsive polymers like poly(N-isopropyl acrylamide) (PNIPAm). Current attempts to address this issue are hindered by complex synthetic procedures or specific substrates. This study introduces a straightforward methodology to grow a thin, dense PNIPAm nanoparticle layer on diverse hydrogel surfaces, creating a highly temperature-sensitive hydrogel actuator. This actuator demonstrates adaptability across various environments, including water, oil, and open air, owing to its distinct structure facilitating self-water circulation during actuation. The thin PNIPAm layer consists of interconnected PNIPAm nanoparticles synthesized via in situ interfacial precipitation polymerization, seamlessly bonded to the hydrogel substrate through an interfacial layer containing hybrid hydrogel/PNIPAm nanoparticles. This unique anisotropic structure ensures exceptional structural stability without interfacial delamination, even enduring harsh treatments such as freezing, ultrasonic irradiation, and prolonged water immersion. Remarkably, PNIPAm films on hydrogel surfaces which enable programmable 3D actuation can also be precisely patterned. This synthetic approach opens a novel pathway for fabricating advanced hydrogel actuators with broad-ranging applications.
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Affiliation(s)
- Mengnan Zhang
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW, Sydney, NSW, 2052, Australia
| | - Haokun Shen
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW, Sydney, NSW, 2052, Australia
| | - Karen Hakobyan
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW, Sydney, NSW, 2052, Australia
| | - Zhen Jiang
- School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, Sydney, NSW, 2522, Australia
| | - Kang Liang
- School of Chemical Engineering and Graduate School of Biomedical Engineering, UNSW, Sydney, NSW, 2052, Australia
| | - Jiangtao Xu
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine, School of Chemical Engineering, UNSW, Sydney, NSW, 2052, Australia
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3
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Zhao X, Zhai L, Chen J, Zhou Y, Gao J, Xu W, Li X, Liu K, Zhong T, Xiao Y, Yu X. Recent Advances in Microfluidics for the Early Detection of Plant Diseases in Vegetables, Fruits, and Grains Caused by Bacteria, Fungi, and Viruses. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:15401-15415. [PMID: 38875493 PMCID: PMC11261635 DOI: 10.1021/acs.jafc.4c00454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 05/25/2024] [Accepted: 06/04/2024] [Indexed: 06/16/2024]
Abstract
In the context of global population growth expected in the future, enhancing the agri-food yield is crucial. Plant diseases significantly impact crop production and food security. Modern microfluidics offers a compact and convenient approach for detecting these defects. Although this field is still in its infancy and few comprehensive reviews have explored this topic, practical research has great potential. This paper reviews the principles, materials, and applications of microfluidic technology for detecting plant diseases caused by various pathogens. Its performance in realizing the separation, enrichment, and detection of different pathogens is discussed in depth to shed light on its prospects. With its versatile design, microfluidics has been developed for rapid, sensitive, and low-cost monitoring of plant diseases. Incorporating modules for separation, preconcentration, amplification, and detection enables the early detection of trace amounts of pathogens, enhancing crop security. Coupling with imaging systems, smart and digital devices are increasingly being reported as advanced solutions.
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Affiliation(s)
- Xiaohan Zhao
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao 999078, People’s
Republic of China
| | - Lingzi Zhai
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
- Department
of Food Science & Technology, National
University of Singapore, Science Drive 2, Singapore 117542, Singapore
| | - Jingwen Chen
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
- Wageningen
University & Research, Wageningen 6708 WG, The Netherlands
| | - Yongzhi Zhou
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
| | - Jiuhe Gao
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
| | - Wenxiao Xu
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
| | - Xiaowei Li
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
| | - Kaixu Liu
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
| | - Tian Zhong
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
| | - Ying Xiao
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao 999078, People’s
Republic of China
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
| | - Xi Yu
- Faculty
of Medicine, Macau University of Science
and Technology, Avenida
Wai Long, Taipa, Macau 999078, People’s
Republic of China
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Wang S, Jiao C, Gerlach G, Körner J. Porosity Engineering of Dried Smart Poly( N-isopropylacrylamide) Hydrogels for Gas Sensing. Biomacromolecules 2024; 25:2715-2727. [PMID: 38047737 PMCID: PMC11094736 DOI: 10.1021/acs.biomac.3c00738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 12/05/2023]
Abstract
A recent study unveiled the potential of acrylamide-based stimulus-responsive hydrogels for volatile organic compound detection in gaseous environments. However, for gas sensing, a large surface area, that is, a highly porous material, offering many adsorption sites is crucial. The large humidity variation in the gaseous environment constitutes a significant challenge for preserving an initially porous structure, as the pores tend to be unstable and irreversibly collapse. Therefore, the present investigation focuses on enhancing the porosity of smart PNiPAAm hydrogels under the conditions of a gaseous environment and the preservation of the structural integrity for long-term use. We have studied the influence of polyethylene glycol (PEG) as a porogen and the application of different drying methods and posttreatment. The investigations lead to the conclusion that only the combination of PEG addition, freeze-drying, and subsequent conditioning in high relative humidity enables a long-term stable formation of a porous surface and inner structure of the material. The significantly enhanced swelling response in a gaseous environment and in the test gas acetone is confirmed by gravimetric experiments of bulk samples and continuous measurements of thin films on piezoresistive pressure sensor chips. These measurements are furthermore complemented by an in-depth analysis of the morphology and microstructure. While the study was conducted for PNiPAAm, the insights and developed processes are general in nature and can be applied for porosity engineering of other smart hydrogel materials for VOC detection in gaseous environments.
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Affiliation(s)
- Sitao Wang
- Institute
of Solid-State Electronics, Dresden University
of Technology, 01062 Dresden, Germany
| | - Chen Jiao
- Leibniz-Institut
für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany
| | - Gerald Gerlach
- Institute
of Solid-State Electronics, Dresden University
of Technology, 01062 Dresden, Germany
| | - Julia Körner
- Institute
of Electrical Engineering and Measurement Technology, Leibniz Universität Hannover, 30167 Hannover, Germany
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5
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Jung Y, Kwon K, Lee J, Ko SH. Untethered soft actuators for soft standalone robotics. Nat Commun 2024; 15:3510. [PMID: 38664373 PMCID: PMC11045848 DOI: 10.1038/s41467-024-47639-0] [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: 07/09/2023] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Soft actuators produce the mechanical force needed for the functional movements of soft robots, but they suffer from critical drawbacks since previously reported soft actuators often rely on electrical wires or pneumatic tubes for the power supply, which would limit the potential usage of soft robots in various practical applications. In this article, we review the new types of untethered soft actuators that represent breakthroughs and discuss the future perspective of soft actuators. We discuss the functional materials and innovative strategies that gave rise to untethered soft actuators and deliver our perspective on challenges and opportunities for future-generation soft actuators.
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Affiliation(s)
- Yeongju Jung
- Applied Nano and Thermal Science Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Kangkyu Kwon
- Applied Nano and Thermal Science Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea
| | - Jinwoo Lee
- Department of Mechanical, Robotics, and Energy Engineering, Dongguk University, 30 Pildong-ro 1-gil, Jung-gu, Seoul, 04620, South Korea.
| | - Seung Hwan Ko
- Applied Nano and Thermal Science Lab, Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea.
- Institute of Engineering Research / Institute of Advanced Machinery and Design (SNU-IAMD), Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, South Korea.
- Interdisciplinary Program in Bioengineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea.
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6
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Kim NY, Choi YY, Kim TH, Ha JH, Kim TH, Kang T, Chung BG. Synergistic Effect of Electrical and Biochemical Stimulation on Human iPSC-Derived Neural Differentiation in a Microfluidic Electrode Array Chip. ACS APPLIED MATERIALS & INTERFACES 2024; 16:15730-15740. [PMID: 38527279 DOI: 10.1021/acsami.3c17108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Neural differentiation is crucial for advancing our understanding of the nervous system and developing treatments for neurological disorders. The advanced methods and the ability to manipulate the alignment, proliferation, and differentiation of stem cells are essential for studying neuronal development and synaptic interactions. However, the utilization of human induced pluripotent stem cells (iPSCs) for disease modeling of neurodegenerative conditions may be constrained by the prolonged duration and uncontrolled cell differentiation required for functional neural cell differentiation. Here, we developed a microfluidic chip to enhance the differentiation and maturation of specific neural lineages by placing aligned microelectrodes on the glass surface to regulate the neural differentiation of human iPSCs. The utilization of electrical stimulation (ES) in conjunction with neurotrophic factors (NF) significantly enhanced the efficiency in generating functional neurons from human iPSCs. We also observed that the simultaneous application of NF and ES to human iPSCs promoted their differentiation and maturation into functional neurons while increasing synaptic interactions. Our research demonstrated the effect of combining NF and ES on human iPSC-derived neural differentiation.
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Affiliation(s)
- Na Yeon Kim
- Department of Biomedical Engineering, Sogang University, Seoul 04107, Korea
| | - Yoon Young Choi
- Institute of Integrated Biotechnology, Sogang University, Seoul 04107, Korea
| | - Tae Hyeon Kim
- Department of Mechanical Engineering, Sogang University, Seoul 04107, Korea
| | - Jang Ho Ha
- Department of Mechanical Engineering, Sogang University, Seoul 04107, Korea
| | - Tae-Hyung Kim
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea
| | - Taewook Kang
- Institute of Integrated Biotechnology, Sogang University, Seoul 04107, Korea
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul 04107, Korea
| | - Bong Geun Chung
- Department of Biomedical Engineering, Sogang University, Seoul 04107, Korea
- Institute of Integrated Biotechnology, Sogang University, Seoul 04107, Korea
- Department of Mechanical Engineering, Sogang University, Seoul 04107, Korea
- Institute of Smart Biosensor, Sogang University, Seoul 04107, Korea
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7
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Kondaveeti S, Choi G, Veerla SC, Kim S, Kim J, Lee HJ, Kuzhiumparambil U, Ralph PJ, Yeo J, Jeong HE. Mussel-inspired resilient hydrogels with strong skin adhesion and high-sensitivity for wearable device. NANO CONVERGENCE 2024; 11:12. [PMID: 38512587 PMCID: PMC10957857 DOI: 10.1186/s40580-024-00419-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/07/2024] [Indexed: 03/23/2024]
Abstract
Stretchable and self-adhesive conductive hydrogels hold significant importance across a wide spectrum of applications, including human-machine interfaces, wearable devices, and soft robotics. However, integrating multiple properties, such as high stretchability, strong interfacial adhesion, self-healing capability, and sensitivity, into a single material poses significant technical challenges. Herein, we present a multifunctional conductive hydrogel based on poly(acrylic acid) (PAA), dopamine-functionalized pectin (PT-DA), polydopamine-coated reduction graphene oxide (rGO-PDA), and Fe3+ as an ionic cross-linker. This hydrogel exhibits a combination of high stretchability (2000%), rapid self-healing (~ 94% recovery in 5 s), and robust self-adhesion to various substrates. Notably, the hydrogel demonstrates a remarkable skin adhesion strength of 85 kPa, surpassing previous skin adhesive hydrogels. Furthermore, incorporating rGO within the hydrogel network creates electric pathways, ensuring excellent conductivity (0.56 S m-1). Consequently, these conductive hydrogels exhibit strain-sensing properties with a significant increase in gauge factor (GF) of 14.6, covering an extensive detection range of ~ 1000%, fast response (198 ms) and exceptional cycle stability. These multifunctional hydrogels can be seamlessly integrated into motion detection sensors capable of distinguishing between various strong or subtle movements of the human body.
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Affiliation(s)
- Stalin Kondaveeti
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
- Climate Change Cluster, University of Technology Sydney, Ultimo, NSW, Australia
| | - Geonjun Choi
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Sarath Chandra Veerla
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Somi Kim
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Jaeil Kim
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Hee Jin Lee
- Department of Physics, Kyungpook National University, 80 Daehak-Ro, Bukgu, Daegu, 41566, Republic of Korea
| | | | - Peter J Ralph
- Climate Change Cluster, University of Technology Sydney, Ultimo, NSW, Australia
| | - Junyeob Yeo
- Department of Physics, Kyungpook National University, 80 Daehak-Ro, Bukgu, Daegu, 41566, Republic of Korea.
| | - Hoon Eui Jeong
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea.
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8
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Ziai Y, Lanzi M, Rinoldi C, Zargarian SS, Zakrzewska A, Kosik-Kozioł A, Nakielski P, Pierini F. Developing strategies to optimize the anchorage between electrospun nanofibers and hydrogels for multi-layered plasmonic biomaterials. NANOSCALE ADVANCES 2024; 6:1246-1258. [PMID: 38356619 PMCID: PMC10863722 DOI: 10.1039/d3na01022h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 01/28/2024] [Indexed: 02/16/2024]
Abstract
Polycaprolactone (PCL), a recognized biopolymer, has emerged as a prominent choice for diverse biomedical endeavors due to its good mechanical properties, exceptional biocompatibility, and tunable properties. These attributes render PCL a suitable alternative biomaterial to use in biofabrication, especially the electrospinning technique, facilitating the production of nanofibers with varied dimensions and functionalities. However, the inherent hydrophobicity of PCL nanofibers can pose limitations. Conversely, acrylamide-based hydrogels, characterized by their interconnected porosity, significant water retention, and responsive behavior, present an ideal matrix for numerous biomedical applications. By merging these two materials, one can harness their collective strengths while potentially mitigating individual limitations. A robust interface and effective anchorage during the composite fabrication are pivotal for the optimal performance of the nanoplatforms. Nanoplatforms are subject to varying degrees of tension and physical alterations depending on their specific applications. This is particularly pertinent in the case of layered nanostructures, which require careful consideration to maintain structural stability and functional integrity in their intended applications. In this study, we delve into the influence of the fiber dimensions, orientation and surface modifications of the nanofibrous layer and the hydrogel layer's crosslinking density on their intralayer interface to determine the optimal approach. Comprehensive mechanical pull-out tests offer insights into the interfacial adhesion and anchorage between the layers. Notably, plasma treatment of the hydrophobic nanofibers and the stiffness of the hydrogel layer significantly enhance the mechanical effort required for fiber extraction from the hydrogels, indicating improved anchorage. Furthermore, biocompatibility assessments confirm the potential biomedical applications of the proposed nanoplatforms.
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Affiliation(s)
- Yasamin Ziai
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences Warsaw 02-106 Poland
| | - Massimiliano Lanzi
- Department of Industrial Chemistry, University of Bologna 40136 Bologna Italy
| | - Chiara Rinoldi
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences Warsaw 02-106 Poland
| | - Seyed Shahrooz Zargarian
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences Warsaw 02-106 Poland
| | - Anna Zakrzewska
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences Warsaw 02-106 Poland
| | - Alicja Kosik-Kozioł
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences Warsaw 02-106 Poland
| | - Paweł Nakielski
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences Warsaw 02-106 Poland
| | - Filippo Pierini
- Department of Biosystems and Soft Matter, Institute of Fundamental Technological Research, Polish Academy of Sciences Warsaw 02-106 Poland
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9
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Lin YL, Zheng S, Chang CC, Lee LR, Chen JT. Light-responsive MXenegel via interfacial host-guest supramolecular bridging. Nat Commun 2024; 15:916. [PMID: 38296994 PMCID: PMC10831044 DOI: 10.1038/s41467-024-45188-0] [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: 05/11/2023] [Accepted: 01/17/2024] [Indexed: 02/02/2024] Open
Abstract
Living in the global-changing era, intelligent and eco-friendly electronic components that can sense the environment and recycle or reprogram when needed are essential for sustainable development. Compared with solid-state electronics, composite hydrogels with multi-functionalities are promising candidates. By bridging the self-assembly of azobenzene-containing supramolecular complexes and MXene nanosheets, we fabricate a MXene-based composite gel, namely MXenegel, with reversible photo-modulated phase behavior. The MXenegel can undergo reversible liquefication and solidification under UV and visible light irradiations, respectively, while maintaining its conductive nature unchanged, which can be integrated into traditional solid-state circuits. The strategy presented in this work provides an example of light-responsive conducting material via supramolecular bridging and demonstrates an exciting platform for functional soft electronics.
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Affiliation(s)
- Yu-Liang Lin
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300093, Taiwan
| | - Sheng Zheng
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300093, Taiwan
| | - Chun-Chi Chang
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300093, Taiwan
| | - Lin-Ruei Lee
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300093, Taiwan
| | - Jiun-Tai Chen
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 300093, Taiwan.
- Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu, 300093, Taiwan.
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10
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Wang Z, Zhang Y, Li Z, Wang H, Li N, Deng Y. Microfluidic Brain-on-a-Chip: From Key Technology to System Integration and Application. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2304427. [PMID: 37653590 DOI: 10.1002/smll.202304427] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/02/2023] [Indexed: 09/02/2023]
Abstract
As an ideal in vitro model, brain-on-chip (BoC) is an important tool to comprehensively elucidate brain characteristics. However, the in vitro model for the definition scope of BoC has not been universally recognized. In this review, BoC is divided into brain cells-on-a- chip, brain slices-on-a-chip, and brain organoids-on-a-chip according to the type of culture on the chip. Although these three microfluidic BoCs are constructed in different ways, they all use microfluidic chips as carrier tools. This method can better meet the needs of maintaining high culture activity on a chip for a long time. Moreover, BoC has successfully integrated cell biology, the biological material platform technology of microenvironment on a chip, manufacturing technology, online detection technology on a chip, and so on, enabling the chip to present structural diversity and high compatibility to meet different experimental needs and expand the scope of applications. Here, the relevant core technologies, challenges, and future development trends of BoC are summarized.
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Affiliation(s)
- Zhaohe Wang
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Yongqian Zhang
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Zhe Li
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Hao Wang
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Nuomin Li
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Yulin Deng
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, China
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11
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Sivamaruthi BS, Kapoor DU, Kukkar RR, Gaur M, Elossaily GM, Prajapati BG, Chaiyasut C. Mesoporous Silica Nanoparticles: Types, Synthesis, Role in the Treatment of Alzheimer's Disease, and Other Applications. Pharmaceutics 2023; 15:2666. [PMID: 38140007 PMCID: PMC10747102 DOI: 10.3390/pharmaceutics15122666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 10/25/2023] [Accepted: 11/21/2023] [Indexed: 12/24/2023] Open
Abstract
Globally, many individuals struggle with Alzheimer's disease (AD), an unrelenting and incapacitating neurodegenerative condition. Despite notable research endeavors, effective remedies for AD remain constrained, prompting the exploration of innovative therapeutic avenues. Within this context, silica-based nanoplatforms have emerged with pronounced potential due to their unique attributes like expansive surface area, customizable pore dimensions, and compatibility with living systems. These nanoplatforms hold promise as prospective interventions for AD. This assessment provides a comprehensive overview encompassing various forms of mesoporous silica nanoparticles (MSNs), techniques for formulation, and their applications in biomedicine. A significant feature lies in their ability to precisely guide and control the transport of therapeutic agents to the brain, facilitated by the adaptability of these nanoplatforms as drug carriers. Their utility as tools for early detection and monitoring of AD is investigated. Challenges and prospects associated with harnessing MSNs are studied, underscoring the imperative of stringent safety evaluations and optimization of how they interact with the body. Additionally, the incorporation of multifunctional attributes like imaging and targeting components is emphasized to enhance their efficacy within the intricate milieu of AD. As the battle against the profound repercussions of AD persists, MSNs emerge as a promising avenue with the potential to propel the development of viable therapeutic interventions.
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Affiliation(s)
- Bhagavathi Sundaram Sivamaruthi
- Office of Research Administration, Chiang Mai University, Chiang Mai 50200, Thailand;
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Devesh U. Kapoor
- Department of Pharmacy, Dr. Dayaram Patel Pharmacy College, Bardoli 394601, Gujarat, India;
| | - Rajiv R. Kukkar
- School of Pharmacy, Raffles University, Neemrana 301705, Rajasthan, India
| | - Mansi Gaur
- Rajasthan Pharmacy College, Rajasthan University of Health Sciences, Jaipur 302033, Rajasthan, India
| | - Gehan M. Elossaily
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, P.O. Box 71666, Riyadh 11597, Saudi Arabia;
| | - Bhupendra G. Prajapati
- Shree S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, Mehsana 384012, Gujarat, India
| | - Chaiyavat Chaiyasut
- Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
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12
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Guo J, Luo Z, Wang F, Gu H, Li M. Responsive hydrogel microfibers for biomedical engineering. SMART MEDICINE 2022; 1:e20220003. [PMID: 39188750 PMCID: PMC11235791 DOI: 10.1002/smmd.20220003] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 08/30/2022] [Indexed: 08/28/2024]
Abstract
Responsive hydrogel microfibers can realize multiple controllable changes in shapes or properties under the stimulation of the surrounding environment, and are called as intelligent biomaterials. Recently, these responsive hydrogel microfibers have been proved to possess significant biomedical values, and remarkable progress has been achieved in biomedical engineering applications, including drug delivery, biosensors and clinical therapy, etc. In this review, the latest research progress and application prospects of responsive hydrogel microfibers in biomedical engineering are summarized. We first introduce the common preparation strategies of responsive hydrogel microfibers. Subsequently, the response characteristics and the biomedical applications of these materials are discussed. Finally, the present opportunities and challenges as well as the prospects for future development are critically analyzed.
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Affiliation(s)
- Jiahui Guo
- State Key Laboratory of BioelectronicsSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjingChina
| | - Zhiqiang Luo
- State Key Laboratory of BioelectronicsSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjingChina
| | - Fengyuan Wang
- Department of DermatologyZhongda HospitalSoutheast UniversityNanjingChina
| | - Hongcheng Gu
- State Key Laboratory of BioelectronicsSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjingChina
| | - Minli Li
- State Key Laboratory of BioelectronicsSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjingChina
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13
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Ding F, Zhang L, Chen X, Yin W, Ni L, Wang M. Photothermal nanohybrid hydrogels for biomedical applications. Front Bioeng Biotechnol 2022; 10:1066617. [PMID: 36406231 PMCID: PMC9669315 DOI: 10.3389/fbioe.2022.1066617] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 10/21/2022] [Indexed: 09/19/2023] Open
Abstract
In the past decades, diseases such as wound infection, cancer, bone defect and osteoarthritis have constantly threatened the public health. However, the traditional treatment has many insufficiencies, such as high cost, easy recurrence and high biological toxicity. Hydrogel is a material with three-dimensional network structure, which has a series of advantages, such as injectability, self-heal ability, easy loading and controllability of drug release, and excellent biocompatibility. Therefore, it is extensively used in drug delivery, antibacterial, anti-cancer and other fields. However, the traditional hydrogels have the single performance, and therapeutic efficacy is often rely on the drugs loaded on them to cure diseases, which cannot achieve sustainable therapeutic effect. In order to solve this problem, photothermal nano hydrogel with photothermal agent (PTA) has become an ideal material due to its excellent physical and chemical properties. Photothermal nano hydrogels used in photothermal therapy (PTT) can exploit the photothermal effect of photothermal agent to increase local temperature and control the sol-gel phase transition behavior of hydrogels, so they are widely used in drug release, photothermal sterilization, photothermal inhibition of cancer cells and enhancement of bone repair. To sum up, this paper introduces the preparation of hydrogels with photothermal nanomaterials, and discusses their applications in the fields of drug release, photothermal sterilization, photothermal cancer cell inhibition and enhanced bone repair.
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Affiliation(s)
- Fan Ding
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Linlin Zhang
- Department of Orthopaedic Surgery, Orthopedic Institute, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Xu Chen
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Weiling Yin
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Li Ni
- Department of Orthopaedic Surgery, Orthopedic Institute, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Miao Wang
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, China
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14
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15
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Yaghmur A, Hamad I. Microfluidic Nanomaterial Synthesis and In Situ SAXS, WAXS, or SANS Characterization: Manipulation of Size Characteristics and Online Elucidation of Dynamic Structural Transitions. Molecules 2022; 27:4602. [PMID: 35889473 PMCID: PMC9323596 DOI: 10.3390/molecules27144602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/11/2022] [Accepted: 07/14/2022] [Indexed: 11/27/2022] Open
Abstract
With the ability to cross biological barriers, encapsulate and efficiently deliver drugs and nucleic acid therapeutics, and protect the loaded cargos from degradation, different soft polymer and lipid nanoparticles (including liposomes, cubosomes, and hexosomes) have received considerable interest in the last three decades as versatile platforms for drug delivery applications and for the design of vaccines. Hard nanocrystals (including gold nanoparticles and quantum dots) are also attractive for use in various biomedical applications. Here, microfluidics provides unique opportunities for the continuous synthesis of these hard and soft nanomaterials with controllable shapes and sizes, and their in situ characterization through manipulation of the flow conditions and coupling to synchrotron small-angle X-ray (SAXS), wide-angle scattering (WAXS), or neutron (SANS) scattering techniques, respectively. Two-dimensional (2D) and three-dimensional (3D) microfluidic devices are attractive not only for the continuous production of monodispersed nanomaterials, but also for improving our understanding of the involved nucleation and growth mechanisms during the formation of hard nanocrystals under confined geometry conditions. They allow further gaining insight into the involved dynamic structural transitions, mechanisms, and kinetics during the generation of self-assembled nanostructures (including drug nanocarriers) at different reaction times (ranging from fractions of seconds to minutes). This review provides an overview of recently developed 2D and 3D microfluidic platforms for the continuous production of nanomaterials, and their simultaneous use in in situ characterization investigations through coupling to nanostructural characterization techniques (e.g., SAXS, WAXS, and SANS).
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Affiliation(s)
- Anan Yaghmur
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen Ø, Denmark
| | - Islam Hamad
- Department of Pharmacy, Faculty of Health Sciences, American University of Madaba, Madaba 11821, Jordan;
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16
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Kim JW, Choi YY, Park SH, Ha JH, Lee HU, Kang T, Sun W, Chung BG. Microfluidic electrode array chip for electrical stimulation-mediated axonal regeneration. LAB ON A CHIP 2022; 22:2122-2130. [PMID: 35388823 DOI: 10.1039/d1lc01158h] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The precise manipulation of the neural stem cell (NSC)-derived neural differentiation is still challenging, and there is a technological barrier to regulate the axonal regeneration in a controlled manner. Here, we developed a microfluidic chip integrated with a microelectrode array as an axonal guidance platform. The microfluidic electrode array chip consisted of two compartments and a bridge microchannel that could isolate and guide the axons. We demonstrated that the NSCs were largely differentiated into neural cells as the electric field was applied to the microfluidic electrode array chip. We also confirmed the synergistic effects of the electrical stimulation (ES) and neurotrophic factor (NF) on axonal outgrowth. This microfluidic electrode array chip can serve as a central nervous system (CNS) model for axonal injury and regeneration. Therefore, it could be a potentially powerful tool for an in vitro model of the axonal regeneration.
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Affiliation(s)
- Ji Woon Kim
- Department of Biomedical Engineering, Sogang University, Seoul, Korea
| | - Yoon Young Choi
- Institute of Integrated Biotechnology, Sogang University, Seoul, Korea
| | - Si-Hyung Park
- Department of Anatomy, Korea University College of Medicine, Seoul, Korea.
| | - Jang Ho Ha
- Department of Mechanical Engineering, Sogang University, Seoul, Korea.
| | - Hee Uk Lee
- Department of Mechanical Engineering, Sogang University, Seoul, Korea.
| | - Taewook Kang
- Institute of Integrated Biotechnology, Sogang University, Seoul, Korea
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, Korea
| | - Woong Sun
- Department of Anatomy, Korea University College of Medicine, Seoul, Korea.
| | - Bong Geun Chung
- Institute of Integrated Biotechnology, Sogang University, Seoul, Korea
- Department of Mechanical Engineering, Sogang University, Seoul, Korea.
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17
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Lee HN, Choi YY, Kim JW, Lee YS, Choi JW, Kang T, Kim YK, Chung BG. Effect of biochemical and biomechanical factors on vascularization of kidney organoid-on-a-chip. NANO CONVERGENCE 2021; 8:35. [PMID: 34748091 PMCID: PMC8575721 DOI: 10.1186/s40580-021-00285-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 10/14/2021] [Indexed: 05/05/2023]
Abstract
Kidney organoids derived from the human pluripotent stem cells (hPSCs) recapitulating human kidney are the attractive tool for kidney regeneration, disease modeling, and drug screening. However, the kidney organoids cultured by static conditions have the limited vascular networks and immature nephron-like structures unlike human kidney. Here, we developed a kidney organoid-on-a-chip system providing fluidic flow mimicking shear stress with optimized extracellular matrix (ECM) conditions. We demonstrated that the kidney organoids cultured in our microfluidic system showed more matured podocytes and vascular structures as compared to the static culture condition. Additionally, the kidney organoids cultured in microfluidic systems showed higher sensitivity to nephrotoxic drugs as compared with those cultured in static conditions. We also demonstrated that the physiological flow played an important role in maintaining a number of physiological functions of kidney organoids. Therefore, our kidney organoid-on-a-chip system could provide an organoid culture platform for in vitro vascularization in formation of functional three-dimensional (3D) tissues.
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Affiliation(s)
- Han Na Lee
- Department of Biomedical Engineering, Sogang University, Seoul, South Korea
| | - Yoon Young Choi
- Institute of Integrated Biotechnology, Sogang University, Seoul, South Korea
| | - Jin Won Kim
- Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Young Seo Lee
- Department of Mechanical Engineering, Sogang University, Seoul, South Korea
| | - Ji Wook Choi
- Department of Mechanical Engineering, Sogang University, Seoul, South Korea
| | - Taewook Kang
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, South Korea
| | - Yong Kyun Kim
- Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, St. Vincent's Hospital, Suwon, South Korea.
| | - Bong Guen Chung
- Department of Mechanical Engineering, Sogang University, Seoul, South Korea.
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Bustamante-Torres M, Romero-Fierro D, Arcentales-Vera B, Palomino K, Magaña H, Bucio E. Hydrogels Classification According to the Physical or Chemical Interactions and as Stimuli-Sensitive Materials. Gels 2021; 7:182. [PMID: 34842654 PMCID: PMC8628675 DOI: 10.3390/gels7040182] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/18/2021] [Accepted: 10/21/2021] [Indexed: 12/12/2022] Open
Abstract
Hydrogels are attractive biomaterials with favorable characteristics due to their water uptake capacity. However, hydrogel properties are determined by the cross-linking degree and nature, the tacticity, and the crystallinity of the polymer. These biomaterials can be sorted out according to the internal structure and by their response to external factors. In this case, the internal interaction can be reversible when the internal chains are led by physicochemical interactions. These physical hydrogels can be synthesized through several techniques such as crystallization, amphiphilic copolymers, charge interactions, hydrogen bonds, stereo-complexing, and protein interactions. In contrast, the internal interaction can be irreversible through covalent cross-linking. Synthesized hydrogels by chemical interactions present a high cross-linking density and are employed using graft copolymerization, reactive functional groups, and enzymatic methods. Moreover, specific smart hydrogels have also been denoted by their external response, pH, temperature, electric, light, and enzyme. This review deeply details the type of hydrogel, either the internal structure or the external response. Furthermore, we detail some of the main applications of these hydrogels in the biomedicine field, such as drug delivery systems, scaffolds for tissue engineering, actuators, biosensors, and many other applications.
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Affiliation(s)
- Moises Bustamante-Torres
- Departamento de Biología, Escuela de Ciencias Biológicas e Ingeniería, Universidad de Investigación de Tecnología Experimental Yachay, Urcuquí 100650, Ecuador
- Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
| | - David Romero-Fierro
- Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
- Departamento de Química, Escuela de Ciencias Química e Ingeniería, Universidad de Investigación de Tecnología Experimental Yachay, Urcuquí 100650, Ecuador;
| | - Belén Arcentales-Vera
- Departamento de Química, Escuela de Ciencias Química e Ingeniería, Universidad de Investigación de Tecnología Experimental Yachay, Urcuquí 100650, Ecuador;
| | - Kenia Palomino
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418, Parque Industrial Internacional Tijuana, Tijuana 22390, Mexico;
| | - Héctor Magaña
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418, Parque Industrial Internacional Tijuana, Tijuana 22390, Mexico;
| | - Emilio Bucio
- Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
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20
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Amukarimi S, Ramakrishna S, Mozafari M. Smart biomaterials—A proposed definition and overview of the field. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2021. [DOI: 10.1016/j.cobme.2021.100311] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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21
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Nanomaterials meet microfluidics: Improved analytical methods and high-throughput synthetic approaches. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116309] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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22
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Zhao Q, Cole T, Zhang Y, Tang SY. Mechanical Strain-Enabled Reconstitution of Dynamic Environment in Organ-on-a-Chip Platforms: A Review. MICROMACHINES 2021; 12:765. [PMID: 34203533 PMCID: PMC8304354 DOI: 10.3390/mi12070765] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 06/23/2021] [Accepted: 06/25/2021] [Indexed: 12/11/2022]
Abstract
Organ-on-a-chip (OOC) uses the microfluidic 3D cell culture principle to reproduce organ- or tissue-level functionality at a small scale instead of replicating the entire human organ. This provides an alternative to animal models for drug development and environmental toxicology screening. In addition to the biomimetic 3D microarchitecture and cell-cell interactions, it has been demonstrated that mechanical stimuli such as shear stress and mechanical strain significantly influence cell behavior and their response to pharmaceuticals. Microfluidics is capable of precisely manipulating the fluid of a microenvironment within a 3D cell culture platform. As a result, many OOC prototypes leverage microfluidic technology to reproduce the mechanically dynamic microenvironment on-chip and achieve enhanced in vitro functional organ models. Unlike shear stress that can be readily generated and precisely controlled using commercial pumping systems, dynamic systems for generating proper levels of mechanical strains are more complicated, and often require miniaturization and specialized designs. As such, this review proposes to summarize innovative microfluidic OOC platforms utilizing mechanical actuators that induce deflection of cultured cells/tissues for replicating the dynamic microenvironment of human organs.
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Affiliation(s)
- Qianbin Zhao
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Tim Cole
- Department of Electronic, Electrical and Systems Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; (T.C.); (Y.Z.)
| | - Yuxin Zhang
- Department of Electronic, Electrical and Systems Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; (T.C.); (Y.Z.)
| | - Shi-Yang Tang
- Department of Electronic, Electrical and Systems Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK; (T.C.); (Y.Z.)
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23
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Ha JH, Lim JH, Kim JW, Cho HY, Jo SG, Lee SH, Eom JY, Lee JM, Chung BG. Conductive GelMA-Collagen-AgNW Blended Hydrogel for Smart Actuator. Polymers (Basel) 2021; 13:polym13081217. [PMID: 33918789 PMCID: PMC8068890 DOI: 10.3390/polym13081217] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/03/2021] [Accepted: 04/08/2021] [Indexed: 12/13/2022] Open
Abstract
Blended hydrogels play an important role in enhancing the properties (e.g., mechanical properties and conductivity) of hydrogels. In this study, we generated a conductive blended hydrogel, which was achieved by mixing gelatin methacrylate (GelMA) with collagen, and silver nanowire (AgNW). The ratio of GelMA, collagen and AgNW was optimized and was subsequently gelated by ultraviolet light (UV) and heat. The scanning electron microscope (SEM) image of the conductive blended hydrogels showed that collagen and AgNW were present in the GelMA hydrogel. Additionally, rheological analysis indicated that the mechanical properties of the conductive GelMA–collagen–AgNW blended hydrogels improved. Biocompatibility analysis confirmed that the human umbilical vein endothelial cells (HUVECs) encapsulated within the three-dimensional (3D), conductive blended hydrogels were highly viable. Furthermore, we confirmed that the molecule in the conductive blended hydrogel was released by electrical stimuli-mediated structural deformation. Therefore, this conductive GelMA–collagen–AgNW blended hydrogel could be potentially used as a smart actuator for drug delivery applications.
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Affiliation(s)
- Jang Ho Ha
- Department of Mechanical Engineering, Sogang University, Seoul 04107, Korea;
| | - Jae Hyun Lim
- Department of Biomedical Engineering, Sogang University, Seoul 04107, Korea; (J.H.L.); (J.W.K.)
| | - Ji Woon Kim
- Department of Biomedical Engineering, Sogang University, Seoul 04107, Korea; (J.H.L.); (J.W.K.)
| | - Hyeon-Yeol Cho
- Department of Bio & Fermentation Convergence Technology, Kookmin University, Seoul 02707, Korea;
| | - Seok Geun Jo
- Division of Chemical Industry, Yeungnam University College, Daegu 42415, Korea; (S.G.J.); (S.H.L.); (J.Y.E.)
| | - Seung Hyun Lee
- Division of Chemical Industry, Yeungnam University College, Daegu 42415, Korea; (S.G.J.); (S.H.L.); (J.Y.E.)
| | - Jae Young Eom
- Division of Chemical Industry, Yeungnam University College, Daegu 42415, Korea; (S.G.J.); (S.H.L.); (J.Y.E.)
| | - Jong Min Lee
- Division of Chemical Industry, Yeungnam University College, Daegu 42415, Korea; (S.G.J.); (S.H.L.); (J.Y.E.)
- Correspondence: (J.M.L.); (B.G.C.)
| | - Bong Geun Chung
- Department of Mechanical Engineering, Sogang University, Seoul 04107, Korea;
- Correspondence: (J.M.L.); (B.G.C.)
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Phan LMT, Vo TAT, Hoang TX, Cho S. Graphene Integrated Hydrogels Based Biomaterials in Photothermal Biomedicine. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:906. [PMID: 33918204 PMCID: PMC8065877 DOI: 10.3390/nano11040906] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/26/2021] [Accepted: 03/27/2021] [Indexed: 12/12/2022]
Abstract
Recently, photothermal therapy (PTT) has emerged as one of the most promising biomedical strategies for different areas in the biomedical field owing to its superior advantages, such as being noninvasive, target-specific and having fewer side effects. Graphene-based hydrogels (GGels), which have excellent mechanical and optical properties, high light-to-heat conversion efficiency and good biocompatibility, have been intensively exploited as potential photothermal conversion materials. This comprehensive review summarizes the current development of graphene-integrated hydrogel composites and their application in photothermal biomedicine. The latest advances in the synthesis strategies, unique properties and potential applications of photothermal-responsive GGel nanocomposites in biomedical fields are introduced in detail. This review aims to provide a better understanding of the current progress in GGel material fabrication, photothermal properties and potential PTT-based biomedical applications, thereby aiding in more research efforts to facilitate the further advancement of photothermal biomedicine.
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Affiliation(s)
- Le Minh Tu Phan
- Department of Electronic Engineering, Gachon University, Seongnam-si 13120, Korea
- School of Medicine and Pharmacy, The University of Danang, Danang 550000, Vietnam
| | - Thuy Anh Thu Vo
- Department of Life Science, Gachon University, Seongnam-si 13120, Korea; (T.A.T.V.); (T.X.H.)
| | - Thi Xoan Hoang
- Department of Life Science, Gachon University, Seongnam-si 13120, Korea; (T.A.T.V.); (T.X.H.)
| | - Sungbo Cho
- Department of Electronic Engineering, Gachon University, Seongnam-si 13120, Korea
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Korea
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25
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Aflori M. Smart Nanomaterials for Biomedical Applications-A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:396. [PMID: 33557177 PMCID: PMC7913901 DOI: 10.3390/nano11020396] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/19/2021] [Accepted: 01/22/2021] [Indexed: 12/12/2022]
Abstract
Recent advances in nanotechnology have forced the obtaining of new materials with multiple functionalities. Due to their reduced dimensions, nanomaterials exhibit outstanding physio-chemical functionalities: increased absorption and reactivity, higher surface area, molar extinction coefficients, tunable plasmonic properties, quantum effects, and magnetic and photo properties. However, in the biomedical field, it is still difficult to use tools made of nanomaterials for better therapeutics due to their limitations (including non-biocompatible, poor photostabilities, low targeting capacity, rapid renal clearance, side effects on other organs, insufficient cellular uptake, and small blood retention), so other types with controlled abilities must be developed, called "smart" nanomaterials. In this context, the modern scientific community developed a kind of nanomaterial which undergoes large reversible changes in its physical, chemical, or biological properties as a consequence of small environmental variations. This systematic mini-review is intended to provide an overview of the newest research on nanosized materials responding to various stimuli, including their up-to-date application in the biomedical field.
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Affiliation(s)
- Magdalena Aflori
- Petru Poni Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
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26
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Erthal LCS, Gobbo OL, Ruiz-Hernandez E. Biocompatible copolymer formulations to treat glioblastoma multiforme. Acta Biomater 2021; 121:89-102. [PMID: 33227487 DOI: 10.1016/j.actbio.2020.11.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 11/12/2020] [Accepted: 11/17/2020] [Indexed: 12/20/2022]
Abstract
The treatment for glioblastoma multiforme (GBM) has not changed for more than 20 years while the prognosis for the patients is still poor and most of them survive less than 1 year after diagnosis. The standard of care for GBM is comprised of surgical resection followed by radiotherapy and oral chemotherapy with temozolomide. The placement of carmustine wafers in the brain after tumour removal is added in cases of recurrent glioma. Significant research is underway to improve the GBM therapy outcome and patient quality of life. Biomaterials are in the front line of the research focus for new treatment options. Specially, biocompatible polymers have been proposed in hydrogel-based formulations aiming at injectable and localized therapies. These formulations can comprise many different pharmacological agents such as chemotherapeutic drugs, nanoparticles, cells, nucleic acids, and diagnostic agents. In this manuscript, we review the most recent formulations developed and tested both in vitro and in vivo using different types of hydrogels. Firstly, we describe three common types of thermo-responsive polymers addressing the advantages and drawbacks of their formulations. Then, we focus on formulations specifically developed for GBM treatment.
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Affiliation(s)
- Luiza C S Erthal
- School of Pharmacy and Pharmaceutical Sciences & Trinity St. James's Cancer Institute, Trinity College Dublin, College Green, Dublin 2, Ireland
| | - Oliviero L Gobbo
- School of Pharmacy and Pharmaceutical Sciences & Trinity St. James's Cancer Institute, Trinity College Dublin, College Green, Dublin 2, Ireland
| | - Eduardo Ruiz-Hernandez
- School of Pharmacy and Pharmaceutical Sciences & Trinity St. James's Cancer Institute, Trinity College Dublin, College Green, Dublin 2, Ireland.
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