1
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Hamidon TS, Garba ZN, Zango ZU, Hussin MH. Biopolymer-based beads for the adsorptive removal of organic pollutants from wastewater: Current state and future perspectives. Int J Biol Macromol 2024; 269:131759. [PMID: 38679272 DOI: 10.1016/j.ijbiomac.2024.131759] [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: 01/31/2024] [Revised: 04/13/2024] [Accepted: 04/20/2024] [Indexed: 05/01/2024]
Abstract
Among biopolymer-based adsorbents, composites in the form of beads have shown promising results in terms of high adsorption capacity and ease of separation from the effluents. This review addresses the potential of biopolymer-based beads to remediate wastewaters polluted with emerging organic contaminants, for instance dyes, active pharmaceutical ingredients, pesticides, phenols, oils, polyaromatic hydrocarbons, and polychlorinated biphenyls. High adsorption capacities up to 2541.76 mg g-1 for dyes, 392 mg g-1 for pesticides and phenols, 1890.3 mg g-1 for pharmaceuticals, and 537 g g-1 for oils and organic solvents have been reported. The review also attempted to convey to its readers the significance of wastewater treatment through adsorption by providing an overview on decontamination technologies of organic water contaminants. Various preparation methods of biopolymer-based gel beads and adsorption mechanisms involved in the process of decontamination have been summarized and analyzed. Therefore, we believe there is an urge to discuss the current state of the application of biopolymer-based gel beads for the adsorption of organic pollutants from wastewater and future perspectives in this regard since it is imperative to treat wastewater before releasing into freshwater bodies.
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Affiliation(s)
- Tuan Sherwyn Hamidon
- Materials Technology Research Group (MaTReC), School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia.
| | | | - Zakariyya Uba Zango
- Department of Chemistry, Faculty of Science, Al-Qalam University Katsina, Katsina 820101, Nigeria
| | - M Hazwan Hussin
- Materials Technology Research Group (MaTReC), School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia.
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2
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Croitoru AM, Ficai D, Ficai A. Novel Photothermal Graphene-Based Hydrogels in Biomedical Applications. Polymers (Basel) 2024; 16:1098. [PMID: 38675017 PMCID: PMC11053615 DOI: 10.3390/polym16081098] [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: 03/11/2024] [Revised: 03/27/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
In the last decade, photothermal therapy (PTT) has attracted tremendous attention because it is non-invasive, shows high efficiency and antibacterial activity, and minimizes drug side effects. Previous studies demonstrated that PTT can effectively inhibit the growth of bacteria and promotes cell proliferation, accelerating wound healing and tissue regeneration. Among different NIR-responsive biomaterials, graphene-based hydrogels with photothermal properties are considered as the best candidates for biomedical applications, due to their excellent properties. This review summarizes the current advances in the development of innovative graphene-based hydrogels for PTT-based biomedical applications. Also, the information about photothermal properties and the potential applications of graphene-based hydrogels in biomedical therapies are provided. These findings provide a great potential for supporting their applications in photothermal biomedicine.
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Affiliation(s)
- Alexa-Maria Croitoru
- Research Institute of the University of Bucharest (ICUB), University of Bucharest, Spl. Independentei 91-95, 0500957 Bucharest, Romania;
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University for Science and Technology Politehnica Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania;
- National Centre for Food Safety, National University for Science and Technology Politehnica Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
| | - Denisa Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University for Science and Technology Politehnica Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania;
- National Centre for Food Safety, National University for Science and Technology Politehnica Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University for Science and Technology Politehnica Bucharest, Gh. Polizu St. 1-7, 011061 Bucharest, Romania;
- National Centre for Micro- and Nanomaterials, National University for Science and Technology Politehnica Bucharest, Spl. Independentei 313, 060042 Bucharest, Romania
- Academy of Romanian Scientists, 3 Ilfov Street, 050045 Bucharest, Romania
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3
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Lin X, Shi J, Meng G, Pan Y, Liu Z. Effect of graphene oxide on sodium alginate hydrogel as a carrier triggering release of ibuprofen. Int J Biol Macromol 2024; 260:129515. [PMID: 38237826 DOI: 10.1016/j.ijbiomac.2024.129515] [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: 10/17/2023] [Revised: 01/09/2024] [Accepted: 01/13/2024] [Indexed: 01/21/2024]
Abstract
The design and preparation of safe wound dressings with antibacterial and controlled drug release abilities is valuable in medicine. This research focuses on the fabrication of a hydrogel carrier with graphene oxide (GO)-triggered ibuprofen (IBU) release to control inflammation. The hydrogel was prepared by cross-linking the base polymer sodium alginate (SA) and functionalized GO. The morphology of the gel was observed by a scanning electron microscope (SEM), and its structure was analyzed through X-ray diffraction (XRD) and Fourier transform infrared reflection (FTIR) spectroscopy. The effects of GO on swelling capacity, IBU release behavior and antibacterial activity were investigated by using the prepared GO/SA hydrogel as a drug carrier and IBU as a drug model. In vitro studies confirmed that the GO/SA hydrogel had good antimicrobial activity and excellent cytotoxicity. The analysis of cumulative IBU release rates revealed that the addition of GO could promote the release of IBU, and the change in GO content did not have a prominent effect on IBU release. At the same time, the rate of IBU release from the GO/SA hydrogel was affected by near-infrared light. Under a light source, the release rate of IBU increased, and the release amount of IBU showed a clear stepwise increase under light on-off conditions. These results suggest that the GO/SA hydrogel could be a potential antibacterial and anti-inflammatory wound dressing.
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Affiliation(s)
- Xiuling Lin
- Department of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China.
| | - Jiali Shi
- Department of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China
| | - Ge Meng
- Department of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China
| | - Yusong Pan
- Department of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China
| | - Zhenying Liu
- Department of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, China
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4
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Jalloh US, Gsell A, Gultian KA, MacAulay J, Madden A, Smith J, Siri L, Vega SL. Synthesis and Photopatterning of Synthetic Thiol-Norbornene Hydrogels. Gels 2024; 10:164. [PMID: 38534582 DOI: 10.3390/gels10030164] [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: 02/01/2024] [Revised: 02/16/2024] [Accepted: 02/21/2024] [Indexed: 03/28/2024] Open
Abstract
Hydrogels are a class of soft biomaterials and the material of choice for a myriad of biomedical applications due to their biocompatibility and highly tunable mechanical and biochemical properties. Specifically, light-mediated thiol-norbornene click reactions between norbornene-modified macromers and di-thiolated crosslinkers can be used to form base hydrogels amenable to spatial biochemical modifications via subsequent light reactions between pendant norbornenes in the hydrogel network and thiolated peptides. Macromers derived from natural sources (e.g., hyaluronic acid, gelatin, alginate) can cause off-target cell signaling, and this has motivated the use of synthetic macromers such as poly(ethylene glycol) (PEG). In this study, commercially available 8-arm norbornene-modified PEG (PEG-Nor) macromers were reacted with di-thiolated crosslinkers (dithiothreitol, DTT) to form synthetic hydrogels. By varying the PEG-Nor weight percent or DTT concentration, hydrogels with a stiffness range of 3.3 kPa-31.3 kPa were formed. Pendant norbornene groups in these hydrogels were used for secondary reactions to either increase hydrogel stiffness (by reacting with DTT) or to tether mono-thiolated peptides to the hydrogel network. Peptide functionalization has no effect on bulk hydrogel mechanics, and this confirms that mechanical and biochemical signals can be independently controlled. Using photomasks, thiolated peptides can also be photopatterned onto base hydrogels, and mesenchymal stem cells (MSCs) attach and spread on RGD-functionalized PEG-Nor hydrogels. MSCs encapsulated in PEG-Nor hydrogels are also highly viable, demonstrating the ability of this platform to form biocompatible hydrogels for 2D and 3D cell culture with user-defined mechanical and biochemical properties.
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Affiliation(s)
- Umu S Jalloh
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA
| | - Arielle Gsell
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA
| | - Kirstene A Gultian
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA
| | - James MacAulay
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA
| | - Abigail Madden
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA
| | - Jillian Smith
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA
| | - Luke Siri
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA
| | - Sebastián L Vega
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA
- Department of Orthopaedic Surgery, Cooper Medical School of Rowan University, Camden, NJ 08103, USA
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5
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Karppanen H, Halahlah A, Kilpeläinen PO, Mikkonen KS, Ho TM. Gel characteristics of low-acetyl spruce galactoglucomannans. Carbohydr Polym 2023; 321:121316. [PMID: 37739540 DOI: 10.1016/j.carbpol.2023.121316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/12/2023] [Accepted: 08/17/2023] [Indexed: 09/24/2023]
Abstract
Galactoglucomannans (GGM) recovered from abundant forest industry side-streams has been widely recognized as a renewable hydrocolloid. The low molar mass and presence of O-acetyl side-groups results in low viscous dispersions and weak intermolecular interactions that make GGM unsuitable for hydrogel formation, unless forcefully chemically derivatized and/or crosslinked with other polymers. Here we present the characterization of hydrogels prepared from GGM after tailoring the degree of acetylation by alkaline treatment during its recovery. Specifically, we investigated gel characteristics of low-acetyl GGM dispersions prepared at varied solid concentrations (5, 10 and 15 %) and pH (4, 7 and 10), and then subjected to ultrasonication. The results indicated that low-acetyl GGM dispersions formed gels (G' > G″) at all other studied solid concentration and pH level combinations except 5 % and pH 4. High pH levels, leading to further removal of acetyl groups, and high solid concentration facilitated the gel formation. GGM hydrogels were weak gels with strong shear-thinning behavior and thixotropic properties, and high hardness and water holding capacity; which were enhanced with increased pH and solid concentration, and prolonged storage time. Our study showed the possibility to utilize low-acetyl GGM as mildly processed gelling or thickening agents, and renewable materials for bio-based hydrogels.
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Affiliation(s)
- Henrik Karppanen
- Department of Food and Nutrition, P.O. Box 66, FIN-00014 University of Helsinki, Finland
| | - Abedalghani Halahlah
- Department of Food and Nutrition, P.O. Box 66, FIN-00014 University of Helsinki, Finland
| | - Petri O Kilpeläinen
- Biorefinery and Bioproducts, Production Systems Unit - Natural Resources Institute Finland (Luke), Viikinkaari 9, FI-00790 HU, Finland
| | - Kirsi S Mikkonen
- Department of Food and Nutrition, P.O. Box 66, FIN-00014 University of Helsinki, Finland; Helsinki Institute of Sustainability Science (HELSUS), P.O. Box 65, FIN-00014 University of Helsinki, Finland
| | - Thao M Ho
- Department of Food and Nutrition, P.O. Box 66, FIN-00014 University of Helsinki, Finland; Helsinki Institute of Sustainability Science (HELSUS), P.O. Box 65, FIN-00014 University of Helsinki, Finland.
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6
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Maniglio D, Bissoli E, Callone E, Dirè S, Motta A. Polymeric Hydrogels for Intervertebral Disc Replacement/Integration: Playing with the Chemical Composition for Tuning Shear Behavior and Hydrophilicity. Gels 2023; 9:912. [PMID: 37999002 PMCID: PMC10671477 DOI: 10.3390/gels9110912] [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: 10/20/2023] [Revised: 11/08/2023] [Accepted: 11/11/2023] [Indexed: 11/25/2023] Open
Abstract
Damages to the intervertebral disc (IVD) due to improper loading or degeneration result in back pain, which is a common disease affecting an increasing number of patients. Different strategies for IVD remediation have been developed, from surgical treatment to disc replacement, by using both metallic and non-metallic materials. Hydrogels are very attractive materials due to their ability to simulate the properties of many soft tissues; moreover, their chemical composition can be varied in order to assure performances similar to the natural disc. In particular, for the replacement of the IVD outer ring, namely, the anulus fibrosus, the shear properties are of paramount importance. In this work, we produced hydrogels through the photo-induced crosslinking of different mixtures composed of two hydrophilic monofunctional and difunctional polymers, namely, poly(ethyleneglycol) methyl ether methacrylate (PEGMEMA) and poly(ethyleneglycol) dimethacrylate (PEGDMA), together with a hydrophobic molecule, i.e., tert-butyl acrylate (tBA). By changing the ratio among the precursors, we demonstrated the tunability of both the shear properties and hydrophilicity. The structural properties of hydrogels were studied by solid-state nuclear magnetic resonance (NMR). These experiments provided insights on both the structure and molecular dynamics of polymeric networks and, together with information obtained by differential scanning calorimetry (DSC), allowed for correlating the physical properties of the hydrogels with their chemical composition.
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Affiliation(s)
- Devid Maniglio
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, Via Delle Regole 101, 38123 Trento, Italy; (D.M.); (A.M.)
| | - Elia Bissoli
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, Via Delle Regole 101, 38123 Trento, Italy; (D.M.); (A.M.)
- “Klaus Müller” Magnetic Resonance Lab., Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Emanuela Callone
- “Klaus Müller” Magnetic Resonance Lab., Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Sandra Dirè
- “Klaus Müller” Magnetic Resonance Lab., Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Antonella Motta
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, Via Delle Regole 101, 38123 Trento, Italy; (D.M.); (A.M.)
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7
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Sun Z, Zhu D, Zhao H, Liu J, He P, Luan X, Hu H, Zhang X, Wei G, Xi Y. Recent advance in bioactive hydrogels for repairing spinal cord injury: material design, biofunctional regulation, and applications. J Nanobiotechnology 2023; 21:238. [PMID: 37488557 PMCID: PMC10364437 DOI: 10.1186/s12951-023-01996-y] [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: 06/05/2023] [Accepted: 07/10/2023] [Indexed: 07/26/2023] Open
Abstract
Functional hydrogels show potential application in repairing spinal cord injury (SCI) due to their unique chemical, physical, and biological properties and functions. In this comprehensive review, we present recent advance in the material design, functional regulation, and SCI repair applications of bioactive hydrogels. Different from previously released reviews on hydrogels and three-dimensional scaffolds for the SCI repair, this work focuses on the strategies for material design and biologically functional regulation of hydrogels, specifically aiming to show how these significant efforts can promoting the repairing performance of SCI. We demonstrate various methods and techniques for the fabrication of bioactive hydrogels with the biological components such as DNA, proteins, peptides, biomass polysaccharides, and biopolymers to obtain unique biological properties of hydrogels, including the cell biocompatibility, self-healing, anti-bacterial activity, injectability, bio-adhesion, bio-degradation, and other multi-functions for repairing SCI. The functional regulation of bioactive hydrogels with drugs/growth factors, polymers, nanoparticles, one-dimensional materials, and two-dimensional materials for highly effective treating SCI are introduced and discussed in detail. This work shows new viewpoints and ideas on the design and synthesis of bioactive hydrogels with the state-of-the-art knowledges of materials science and nanotechnology, and will bridge the connection of materials science and biomedicine, and further inspire clinical potential of bioactive hydrogels in biomedical fields.
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Affiliation(s)
- Zhengang Sun
- Department of Spinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, 266071, People's Republic of China
- Department of Spinal Surgery, Huangdao Central Hospital, Affiliated Hospital of Qingdao University, Qingdao, 266071, China
- The Department of Plastic Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, People's Republic of China
| | - Danzhu Zhu
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, People's Republic of China
| | - Hong Zhao
- Department of Spinal Surgery, Huangdao Central Hospital, Affiliated Hospital of Qingdao University, Qingdao, 266071, China
| | - Jia Liu
- Department of Spinal Surgery, Huangdao Central Hospital, Affiliated Hospital of Qingdao University, Qingdao, 266071, China
| | - Peng He
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, People's Republic of China
| | - Xin Luan
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, People's Republic of China
| | - Huiqiang Hu
- Department of Spinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, 266071, People's Republic of China
| | - Xuanfen Zhang
- The Department of Plastic Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, People's Republic of China.
| | - Gang Wei
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, People's Republic of China.
| | - Yongming Xi
- Department of Spinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, 266071, People's Republic of China.
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8
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Vu TT, Yadav S, Reddy OS, Jo SH, Joo SB, Kim BK, Park EJ, Park SH, Lim KT. Reduction-Responsive Chitosan-Based Injectable Hydrogels for Enhanced Anticancer Therapy. Pharmaceuticals (Basel) 2023; 16:841. [PMID: 37375788 DOI: 10.3390/ph16060841] [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: 05/15/2023] [Revised: 06/01/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
Selective delivery of anticancer drug molecules to the tumor site enhances local drug dosages, which leads to the death of cancer cells while simultaneously minimizing the negative effects of chemotherapy on other tissues, thereby improving the patient's quality of life. To address this need, we developed reduction-responsive chitosan-based injectable hydrogels via the inverse electron demand Diels-Alder reaction between tetrazine groups of disulfide-based cross-linkers and norbornene groups of chitosan derivatives, which were applied to the controlled delivery of doxorubicin (DOX). The swelling ratio, gelation time (90-500 s), mechanical strength (G'~350-850 Pa), network morphology, and drug-loading efficiency (≥92%) of developed hydrogels were investigated. The in vitro release studies of the DOX-loaded hydrogels were performed at pH 7.4 and 5.0 with and without DTT (10 mM). The biocompatibility of pure hydrogel and the in vitro anticancer activity of DOX-loaded hydrogels were demonstrated via MTT assay on HEK-293 and HT-29 cancer cell lines, respectively.
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Affiliation(s)
- Trung Thang Vu
- Department of Smart Green Technology Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Sonyabapu Yadav
- Department of Smart Green Technology Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | | | - Sung-Han Jo
- Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Soo-Bin Joo
- Department of Smart Green Technology Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Byeong Kook Kim
- Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Eun Ju Park
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research, Singapore 138634, Singapore
| | - Sang-Hyug Park
- Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Kwon Taek Lim
- Department of Smart Green Technology Engineering, Pukyong National University, Busan 48513, Republic of Korea
- Department of Display Engineering, Pukyong National University, Busan 48513, Republic of Korea
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9
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Gan S, Wu Y, Zhang X, Zheng Z, Zhang M, Long L, Liao J, Chen W. Recent Advances in Hydrogel-Based Phototherapy for Tumor Treatment. Gels 2023; 9:gels9040286. [PMID: 37102898 PMCID: PMC10137920 DOI: 10.3390/gels9040286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 03/24/2023] [Accepted: 03/24/2023] [Indexed: 04/05/2023] Open
Abstract
Phototherapeutic agent-based phototherapies activated by light have proven to be safe modalities for the treatment of various malignant tumor indications. The two main modalities of phototherapies include photothermal therapy, which causes localized thermal damage to target lesions, and photodynamic therapy, which causes localized chemical damage by generated reactive oxygen species (ROS). Conventional phototherapies suffer a major shortcoming in their clinical application due to their phototoxicity, which primarily arises from the uncontrolled distribution of phototherapeutic agents in vivo. For successful antitumor phototherapy, it is essential to ensure the generation of heat or ROS specifically occurs at the tumor site. To minimize the reverse side effects of phototherapy while improving its therapeutic performance, extensive research has focused on developing hydrogel-based phototherapy for tumor treatment. The utilization of hydrogels as drug carriers allows for the sustained delivery of phototherapeutic agents to tumor sites, thereby limiting their adverse effects. Herein, we summarize the recent advancements in the design of hydrogels for antitumor phototherapy, offer a comprehensive overview of the latest advances in hydrogel-based phototherapy and its combination with other therapeutic modalities for tumor treatment, and discuss the current clinical status of hydrogel-based antitumor phototherapy.
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Affiliation(s)
- Shuaiqi Gan
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yongzhi Wu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xu Zhang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Zheng Zheng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Min Zhang
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Li Long
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jinfeng Liao
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Wenchuan Chen
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Med-X Center for Materials, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Jinjiang Out-Patient Section, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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10
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Li X, Xiong Y. Application of "Click" Chemistry in Biomedical Hydrogels. ACS OMEGA 2022; 7:36918-36928. [PMID: 36312409 PMCID: PMC9608400 DOI: 10.1021/acsomega.2c03931] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/21/2022] [Indexed: 06/12/2023]
Abstract
Since "click" chemistry was first reported in 2001, it has remained a popular research topic in the field of chemistry due to its high yield without byproducts, fast reaction rate, simple reaction, and biocompatibility. It has achieved good applications in various fields, especially for the preparation of hydrogels. The development of biomedicine presents new challenges and opportunities for hydrogels, and "click" chemistry provides a library of chemical tools for the preparation of various innovative hydrogels, including cell culture, 3D bioprinting, and drug release. This article summarizes several common "click" reactions, including copper-catalyzed azide-alkyne cycloaddition reactions, strain-promoted azide-alkyne cycloaddition (SPAAC) reaction, thiol-ene reaction, the Diels-Alder reaction, and the inverse electron demand Diels-Alder (IEDDA) reaction. We introduce the "click" reaction in the nucleic acid field to expand the concept of "click" chemistry. This article focuses on the application of "click" chemistry for preparing various types of biomedical hydrogels and highlights the advantages of "click" reactions for cross-linking to obtain hydrogels. This review also discusses applications of "click" chemistry outside the field of hydrogels, such as drug synthesis, targeted delivery, and surface modification, hydrogels have great application potential in these fields in the future and hopefully inspire other applications of hydrogels.
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11
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Han J, Sun J, Lv K, Yang J, Li Y. Polymer Gels Used in Oil-Gas Drilling and Production Engineering. Gels 2022; 8:637. [PMID: 36286138 PMCID: PMC9602122 DOI: 10.3390/gels8100637] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/01/2022] [Accepted: 10/04/2022] [Indexed: 11/16/2022] Open
Abstract
Polymer gels are widely used in oil-gas drilling and production engineering for the purposes of conformance control, water shutoff, fracturing, lost circulation control, etc. Here, the progress in research on three kinds of polymer gels, including the in situ crosslinked polymer gel, the pre-crosslinked polymer gel and the physically crosslinked polymer gel, are systematically reviewed in terms of the gel compositions, crosslinking principles and properties. Moreover, the advantages and disadvantages of the three kinds of polymer gels are also comparatively discussed. The types, characteristics and action mechanisms of the polymer gels used in oil-gas drilling and production engineering are systematically analyzed. Depending on the crosslinking mechanism, in situ crosslinked polymer gels can be divided into free-radical-based monomer crosslinked gels, ionic-bond-based metal cross-linked gels and covalent-bond-based organic crosslinked gels. Surface crosslinked polymer gels are divided into two types based on their size and gel particle preparation method, including pre-crosslinked gel particles and polymer gel microspheres. Physically crosslinked polymer gels are mainly divided into hydrogen-bonded gels, hydrophobic association gels and electrostatic interaction gels depending on the application conditions of the oil-gas drilling and production engineering processes. In the field of oil-gas drilling engineering, the polymer gels are mainly used as drilling fluids, plugging agents and lost circulation materials, and polymer gels are an important material that are utilized for profile control, water shutoff, chemical flooding and fracturing. Finally, the research potential of polymer gels in oil-gas drilling and production engineering is proposed. The temperature resistance, salinity resistance, gelation strength and environmental friendliness of polymer gels should be further improved in order to meet the future technical requirements of oil-gas drilling and production.
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Affiliation(s)
- Jinliang Han
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
- Institute of Engineering and Technology, PetroChina Coalbed Methane Company Limited, Xi’an 710082, China
| | - Jinsheng Sun
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Kaihe Lv
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Jingbin Yang
- School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Yuhong Li
- Xi’an Institute of Measurement and Testing Technology, Xi’an 710068, China
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Leray N, Talantikite M, Villares A, Cathala B. Xyloglucan-cellulose nanocrystal-chitosan double network hydrogels for soft actuators. Carbohydr Polym 2022; 293:119753. [DOI: 10.1016/j.carbpol.2022.119753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/11/2022] [Accepted: 06/15/2022] [Indexed: 11/02/2022]
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13
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Zhao J, Wang L, Zhang H, Liao B, Li Y. Progress of Research in In Situ Smart Hydrogels for Local Antitumor Therapy: A Review. Pharmaceutics 2022; 14:pharmaceutics14102028. [PMID: 36297463 PMCID: PMC9611441 DOI: 10.3390/pharmaceutics14102028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/16/2022] [Accepted: 09/21/2022] [Indexed: 11/20/2022] Open
Abstract
Cancer seriously threatens human health. Surgery, radiotherapy and chemotherapy are the three pillars of traditional cancer treatment, with targeted therapy and immunotherapy emerging over recent decades. Standard drug regimens are mostly executed via intravenous injection (IV), especially for chemotherapy agents. However, these treatments pose severe risks, including off-target toxic side effects, low drug accumulation and penetration at the tumor site, repeated administration, etc., leading to inadequate treatment and failure to meet patients’ needs. Arising from these challenges, a local regional anticancer strategy has been proposed to enhance therapeutic efficacy and concomitantly reduce systemic toxicity. With the advances in biomaterials and our understanding of the tumor microenvironment, in situ stimulus-responsive hydrogels, also called smart hydrogels, have been extensively investigated for local anticancer therapy due to their injectability, compatibility and responsiveness to various stimuli (pH, enzyme, heat, light, magnetic fields, electric fields etc.). Herein, we focus on the latest progress regarding various stimuli that cause phase transition and drug release from smart hydrogels in local regional anticancer therapy. Additionally, the challenges and future trends of the reviewed in situ smart hydrogels for local drug delivery are summarized and proposed.
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Abstract
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Low molecular weight
gels are formed by the self-assembly of small
molecules into anisotropic structures that form a network capable
of immobilizing the solvent. Such gels are common, with a huge number
of different examples existing, and they have many applications. However,
there are still significant gaps in our understanding of these systems
and challenges that need to be addressed if we are to be able to fully
design such systems. Here, a number of these challenges are discussed.
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Affiliation(s)
- Dave J Adams
- School of Chemistry, University of Glasgow, Glasgow G12 8QQ, United Kingdom
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15
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Pectin as a non-toxic crosslinker for durable and water-resistant biopolymer-based membranes with improved mechanical and functional properties. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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16
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Silk Fibroin-Based Biomaterials for Tissue Engineering Applications. Molecules 2022; 27:molecules27092757. [PMID: 35566110 PMCID: PMC9103528 DOI: 10.3390/molecules27092757] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/08/2022] [Accepted: 04/21/2022] [Indexed: 12/21/2022] Open
Abstract
Tissue engineering (TE) involves the combination of cells with scaffolding materials and appropriate growth factors in order to regenerate or replace damaged and degenerated tissues and organs. The scaffold materials serve as templates for tissue formation and play a vital role in TE. Among scaffold materials, silk fibroin (SF), a naturally occurring protein, has attracted great attention in TE applications due to its excellent mechanical properties, biodegradability, biocompatibility, and bio-absorbability. SF is usually dissolved in an aqueous solution and can be easily reconstituted into different forms, including films, mats, hydrogels, and sponges, through various fabrication techniques, including spin coating, electrospinning, freeze drying, and supercritical CO2-assisted drying. Furthermore, to facilitate the fabrication of more complex SF-based scaffolds, high-precision techniques such as micro-patterning and bio-printing have been explored in recent years. These processes contribute to the diversity of surface area, mean pore size, porosity, and mechanical properties of different silk fibroin scaffolds and can be used in various TE applications to provide appropriate morphological and mechanical properties. This review introduces the physicochemical and mechanical properties of SF and looks into a range of SF-based scaffolds that have recently been developed. The typical applications of SF-based scaffolds for TE of bone, cartilage, teeth and mandible tissue, cartilage, skeletal muscle, and vascular tissue are highlighted and discussed followed by a discussion of issues to be addressed in future studies.
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Jampilek J, Kralova K. Advances in Nanostructures for Antimicrobial Therapy. MATERIALS 2022; 15:ma15072388. [PMID: 35407720 PMCID: PMC8999898 DOI: 10.3390/ma15072388] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 02/07/2023]
Abstract
Microbial infections caused by a variety of drug-resistant microorganisms are more common, but there are fewer and fewer approved new antimicrobial chemotherapeutics for systemic administration capable of acting against these resistant infectious pathogens. Formulation innovations of existing drugs are gaining prominence, while the application of nanotechnologies is a useful alternative for improving/increasing the effect of existing antimicrobial drugs. Nanomaterials represent one of the possible strategies to address this unfortunate situation. This review aims to summarize the most current results of nanoformulations of antibiotics and antibacterial active nanomaterials. Nanoformulations of antimicrobial peptides, synergistic combinations of antimicrobial-active agents with nitric oxide donors or combinations of small organic molecules or polymers with metals, metal oxides or metalloids are discussed as well. The mechanisms of actions of selected nanoformulations, including systems with magnetic, photothermal or photodynamic effects, are briefly described.
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Affiliation(s)
- Josef Jampilek
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia
- Department of Chemical Biology, Faculty of Science, Palacky University Olomouc, Slechtitelu 27, 783 71 Olomouc, Czech Republic
- Correspondence:
| | - Katarina Kralova
- Institute of Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia;
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