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Du H, Dang X, Chen R, Li Y, Cui N, Yang H. A universal three-dimensional hydrogel electrode for electrochemical detection of SARS-CoV-2 nucleocapsid protein and hydrogen peroxide. Biosens Bioelectron 2024; 259:116355. [PMID: 38754196 DOI: 10.1016/j.bios.2024.116355] [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: 01/27/2024] [Revised: 04/09/2024] [Accepted: 04/30/2024] [Indexed: 05/18/2024]
Abstract
Coronavirus disease 2019 (COVID-19) is a highly contagious illness caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), resulting in a global health crisis. The primary diagnostic method for COVID-19 is quantitative reverse transcription PCR, which is time-consuming and requires expensive instrumentation. Here, we developed an electrochemical biosensor for detecting SARS-CoV-2 biomarkers using a 3D porous polyacrylamide/polyaniline hydrogel (PPG) electrode prepared by UV photopolymerization and in situ polymerization. The electrochemical immunosensor for detecting SARS-CoV-2 N protein via the immune sandwich principle demonstrated a lower detection limit of 42 pg/mL and comparable specificity to a commercial enzyme-linked immunosorbent assay, which was additionally validated in pseudoviruses. The electrochemical sensor for hydrogen peroxide showed a low detection limit of 0.5 μM and excellent selectivity, which was further confirmed in cancer cells under oxidative stress. The biomarkers of SARS-CoV-2 were successfully detected due to the signal amplification capability provided by 3D porous electrodes and the high sensitivity of the antigen-antibody specific binding. This study introduces a novel three-dimensional electrode with great potential for the early detection of SARS-CoV-2.
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Affiliation(s)
- Haoze Du
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China; Center for Advanced Biomaterials and Technology Transformation, Suzhou Ningrao Biotechnology Co., Ltd, Suzhou, 215000, PR China
| | - Xinmin Dang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China; Center for Advanced Biomaterials and Technology Transformation, Suzhou Ningrao Biotechnology Co., Ltd, Suzhou, 215000, PR China
| | - Ran Chen
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China; Center for Advanced Biomaterials and Technology Transformation, Suzhou Ningrao Biotechnology Co., Ltd, Suzhou, 215000, PR China
| | - Yiwei Li
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China
| | - Ning Cui
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China; Center for Advanced Biomaterials and Technology Transformation, Suzhou Ningrao Biotechnology Co., Ltd, Suzhou, 215000, PR China.
| | - Hui Yang
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, PR China; Engineering Research Center of Chinese Ministry of Education for Biological Diagnosis, Treatment and Protection Technology and Equipment, Xi'an, 710072, PR China.
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2
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Zhang X, Zhang H, Lv X, Xie T, Chen J, Fang D, Yi S. Construction of mechanically robust and recyclable catalytic hydrogel based on hydroxypropyl cellulose-supported by montmorillonite/ionic liquid with different anions for pollutants(4-NP, MB, CR, Rhb) degradation. Int J Biol Macromol 2024; 273:132788. [PMID: 38942669 DOI: 10.1016/j.ijbiomac.2024.132788] [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: 02/12/2024] [Revised: 05/24/2024] [Accepted: 05/29/2024] [Indexed: 06/30/2024]
Abstract
Dye wastewater poses a serious threat to the environment and human health, necessitating sustainable degradation methods. In this study, Na-based Montmorillonite (MMT) was exfoliated using different ionic liquids ([C16MIM][Cl], [C16MIM][BF4], [C16MIM][PF6]), and silver nanoparticles (Ag NPs) were green-synthesized using hydroxypropyl cellulose (HPC). The HPC significantly enhanced the dispersion of MMT in the hydrogel. By introducing lauryl methacrylate (LMA), a hydrophobic associative network was constructed in PAM/LMA/HPC/MMT@ILs&Ag NPs hydrogel. This hydrogel demonstrated outstanding mechanical properties, with a stress of 833.21 kPa, strain of 3300 %, and toughness of 14.36 MJ/m3. It also exhibited excellent catalytic activity, with a rate constant of 0.83 min-1 for 4-nitrophenol degradation at 28 °C. The effects of temperature and catalyst concentration on the catalytic reaction were systematically investigated. This study presents a simple green synthesis approach for Ag NPs using HPC, achieving superior mechanical performance and stable MMT dispersion in aqueous solutions.
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Affiliation(s)
- Xikun Zhang
- School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - He Zhang
- School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China
| | - Xue Lv
- School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun 130012, China.
| | - Ting Xie
- School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - Junzheng Chen
- School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - Di Fang
- School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun 130012, China
| | - Shurui Yi
- School of Chemical Engineering, Changchun University of Technology, Changchun 130012, China; Engineering Research Center of Synthetic Resin and Special Fiber, Ministry of Education, Changchun University of Technology, Changchun 130012, China
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3
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Li Z, Geng Y, Bu K, Chen Z, Xu K, Zhu C. Construction of a pectin/sodium alginate composite hydrogel delivery system for improving the bioaccessibility of phycocyanin. Int J Biol Macromol 2024; 269:131969. [PMID: 38697419 DOI: 10.1016/j.ijbiomac.2024.131969] [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: 01/03/2024] [Revised: 04/02/2024] [Accepted: 04/27/2024] [Indexed: 05/05/2024]
Abstract
In this study, different concentrations of sodium alginate were compounded with pectin and phycocyanin to co-prepare composite hydrogel spheres (HP-PC-SA 0.2 %, 0.6 %, 1.0 %, 1.4 %) to evaluate the potential of the composite hydrogel spheres for the application as phycocyanin delivery carriers. The hydrogel spheres' physicochemical properties and bioaccessibility were assessed through scanning electron microscopy, textural analysis, drug-carrying properties evaluation, and in vitro and in vivo controlled release analysis in the gastrointestinal environment. Results indicated that higher sodium alginate concentrations led to smaller pore sizes and denser networks on the surface of hydrogel spheres. The textural properties of hydrogel spheres improved, and their water-holding capacity increased from 93.01 % to 97.97 %. The HP-PC-SA (1.0 %) formulation achieved the highest encapsulation rate and drug loading capacity, at 96.87 % and 6.22 %, respectively. Within the gastrointestinal tract, the composite hydrogel's structure significantly enhanced and protected the phycocyanin's digestibility, achieving a bioaccessibility of up to 88.03 %. In conclusion, our findings offer new insights into improving functionality and the effective use of phycocyanin via pectin-based hydrogel spheres.
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Affiliation(s)
- Zhixin Li
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China
| | - Yuxin Geng
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, No.440, Jiyan Road, Jinan, Shandong Province 250117, PR China
| | - Kaixuan Bu
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China
| | - Zhengtao Chen
- School of Laboratory Animal & Shandong Laboratory Animal Center, Shandong First Medical University & Shandong Academy of Medical Sciences, No.6699, Qingdao Road, Jinan, Shandong Province 250117, PR China.
| | - Kang Xu
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China.
| | - Chuanhe Zhu
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China.
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Sun W, Bu K, Meng H, Zhu C. Hawthorn pectin/soybean isolate protein hydrogel bead as a promising ferrous ion-embedded delivery system. Colloids Surf B Biointerfaces 2024; 237:113867. [PMID: 38522284 DOI: 10.1016/j.colsurfb.2024.113867] [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: 01/18/2024] [Revised: 03/05/2024] [Accepted: 03/19/2024] [Indexed: 03/26/2024]
Abstract
In this study, hydrogel beads [SPI/HP-Fe (II)] were prepared by cross-linking soybean isolate protein (SPI) and hawthorn pectin (HP) with ferrous ions as a backbone, and the effects of ultrasound and Fe2+ concentration on the mechanical properties and the degree of cross-linking of internal molecules were investigated. The results of textural properties and water-holding capacity showed that moderate ultrasonic power and Fe2+ concentration significantly improved the stability and water-holding capacity of the hydrogel beads and enhanced the intermolecular interactions in the system. Scanning electron microscopy (SEM) confirmed that the hydrogel beads with 60% ultrasonic power and 8% Fe2+ concentration had a denser network. X-ray photoelectron spectroscopy (XPS) and atomic absorption experiments demonstrated that ferrous ions were successfully loaded into the hydrogel beads with an encapsulation efficiency of 82.5%. In addition, in vitro, simulated digestion experiments were performed to understand how the encapsulated Fe2+ is released from the hydrogel beads, absorbed, and utilized in the gastrointestinal environment. The success of the experiments demonstrated that the hydrogel beads were able to withstand harsh environments, ensuring the bioactivity of Fe2+ and improving its bioavailability. In conclusion, a novel and efficient ferrous ion delivery system was developed using SPI and HP, demonstrating the potential application of SPI/HP-Fe (II) hydrogel beads as an iron supplement to overcome the inefficiency of intake of conventional iron supplements.
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Affiliation(s)
- Wenxian Sun
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China
| | - Kaixuan Bu
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China
| | - Huangmei Meng
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China.
| | - Chuanhe Zhu
- College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China.
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Rahmani P, Shojaei A, Sakorikar T, Wang M, Mendoza-Apodaca Y, Dickey MD. Liquid Metal Nanoparticles Physically Hybridized with Cellulose Nanocrystals Initiate and Toughen Hydrogels with Piezoionic Properties. ACS NANO 2024; 18:8038-8050. [PMID: 38437220 DOI: 10.1021/acsnano.3c11063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Liquid metal (LM) particles can serve as initiators, functional fillers, and cross-linkers for hydrogels. Herein, we show that cellulose nanocrystals (CNCs) stabilize LM particles in aqueous solutions, such as those used to produce hydrogels. The CNC-coated LM particles initiate free-radical polymerization to form poly(acrylic acid) (PAA) hydrogel with exceptional properties─stretchability ∼2000%, excellent toughness ∼1.8 MJ/m3, mechanical resilience, and efficient self-healing─relative to cross-linked PAA networks polymerized using conventional molecular initiators. FTIR spectroscopy, rheology, and mechanical measurements suggest that physical bonds between PAA and both Ga3+ and LM-CNC particles contribute to the excellent mechanical properties. The gels are used to sense a wide range of strains, such as those associated with human motion, via changes in resistance through the gel. The sensitivity at low strains enables monitoring subtle physiological signals, such as pulse. Without significantly compromising the toughness, soaking the gels in salt solution brings about high ionic conductivity (3.8 S/m), enabling them to detect touch via piezoionic principles; the anions in the gel have higher mobility than cations, resulting in significant charge separation (current ∼30 μA, ∼10 μA/cm2) through the gel in response to touch. These attractive properties are promising for wearable sensors, energy harvesters, and self-powered ionic touch panels.
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Affiliation(s)
- Pooria Rahmani
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11155-9465, Tehran 14588-89694, Iran
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695-7905, United States
| | - Akbar Shojaei
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11155-9465, Tehran 14588-89694, Iran
| | - Tushar Sakorikar
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695-7905, United States
| | - Meixiang Wang
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695-7905, United States
| | - Yuniva Mendoza-Apodaca
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695-7905, United States
| | - Michael D Dickey
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695-7905, United States
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Meng X, Zhou J, Jin X, Xia C, Ma S, Hong S, Aladejana JT, Dong A, Luo Y, Li J, Zhan X, Yang R. High-Strength, High-Swelling-Resistant, High-Sensitivity Hydrogel Sensor Prepared with Wood That Retains Lignin. Biomacromolecules 2024; 25:1696-1708. [PMID: 38381837 DOI: 10.1021/acs.biomac.3c01228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Wood-derived hydrogels possess satisfactory longitudinal strength but lack excellent swelling resistance and dry shrinkage resistance when achieving high anisotropy. In this study, we displayed the preparation of highly dimensional stable wood/polyacrylamide hydrogels (wood/PAM-Al3+). The alkali-treated wood retains lignin as the skeleton of the hydrogel. Second, Al ions were added to the metal coordination with lignin. Finally, by employing free radical polymerization, we construct a conductive electronic network using polyaniline within the wood/PAM-Al3+ matrix to create the flexible sensor. This approach leverages lignin's integrated structure within the middle lamella to provide enhanced swelling resistance and stronger binding strength in the transverse direction. Furthermore, coordination between lignin and Al ions improves the mechanical strength of the wood hydrogel. Polyaniline provides stable linear pressure and temperature responses. The wood/PAM-Al3+ exhibits a transverse swelling ratio of 3.90% while achieving a longitudinal tensile strength of 20.5 MPa. This high-strength and high-stability sensor is capable of monitoring macroscale human behavior. Therefore, this study presents a simple yet innovative strategy for constructing tough hydrogels while also establishing an alternative pathway for exploring lignin networks in new functional materials development.
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Affiliation(s)
- Xiangzhen Meng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Jing Zhou
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Xin Jin
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
- China Jiangsu Key Open Laboratory of Wood Processing and Wood-Based Panel Technology, Nanjing, Jiangsu 210037, China
| | - Shanyu Ma
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Shu Hong
- Hollingsworth & Vose (Suzhou) Co., Ltd., Suzhou Industrial Park, Suzhou 215126, China
| | - John Tosin Aladejana
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Anran Dong
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Yujia Luo
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Jianzhang Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Xianxu Zhan
- Dehua Tubaobao New Decoration Material Co., Ltd., Huzhou 313200, China
| | - Rui Yang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
- China Jiangsu Key Open Laboratory of Wood Processing and Wood-Based Panel Technology, Nanjing, Jiangsu 210037, China
- Dehua Tubaobao New Decoration Material Co., Ltd., Huzhou 313200, China
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Liao F, Tian Z, Yang X, Yang H, Liu X, Liao H, Duan L. Hydrophobic association: A facile approach to prepare physical cross-linked gelatin hydrogel with desirable thermal stability, flexibility and self-healing ability. Int J Biol Macromol 2024; 262:130058. [PMID: 38340943 DOI: 10.1016/j.ijbiomac.2024.130058] [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: 08/22/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/12/2024]
Abstract
Methacrylic anhydride was added to 20 % gelatin solution to prepare gelatin methacryloyl (GelMA) but an unexpected gelation process was observed within several minutes. The experimental data revealed that the methacryloyl substitution can increase the hydrophobicity of gelatin and the micellar diameter in solution. Therefore, we speculated that the methacryloyl substitution caused the formation of micellar cross-links based on the hydrophobic residues of gelatin and the methacryloyl groups, thus obtaining the hydrophobic association hydrogels. The thixotropic and tensile experiments confirmed that GelMA hydrogel possessed the features of hydrophobic association hydrogels like self-healing and stretchable abilities. The rheological experiments revealed that the gelation rate and the mechanical strength of the GelMA hydrogels were in direct proportion to the concentration of GelMA and the degree of methacryloyl substitution. GelMA hydrogels possessed desirable thermal stability that it didn't melt after being heated to 90 °C. Furthermore, the MTT assays and calcein AM/PI staining revealed that GelMA hydrogel was biocompatible. These results collectively confirm that the hydrophobic association is a prospective and facile approach to prepare gelatin hydrogel with desirable properties for further application.
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Affiliation(s)
- Fuying Liao
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China
| | - Zhenhua Tian
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China.
| | - Xiao Yang
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China
| | - Huan Yang
- Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, PR China
| | - Xin Liu
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China
| | - Hao Liao
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China
| | - Lian Duan
- State Key Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, PR China.
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Feng W, Wang Z. Tailoring the Swelling-Shrinkable Behavior of Hydrogels for Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303326. [PMID: 37544909 PMCID: PMC10558674 DOI: 10.1002/advs.202303326] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/15/2023] [Indexed: 08/08/2023]
Abstract
Hydrogels with tailor-made swelling-shrinkable properties have aroused considerable interest in numerous biomedical domains. For example, as swelling is a key issue for blood and wound extrudates absorption, the transference of nutrients and metabolites, as well as drug diffusion and release, hydrogels with high swelling capacity have been widely applicated in full-thickness skin wound healing and tissue regeneration, and drug delivery. Nevertheless, in the fields of tissue adhesives and internal soft-tissue wound healing, and bioelectronics, non-swelling hydrogels play very important functions owing to their stable macroscopic dimension and physical performance in physiological environment. Moreover, the negative swelling behavior (i.e., shrinkage) of hydrogels can be exploited to drive noninvasive wound closure, and achieve resolution enhancement of hydrogel scaffolds. In addition, it can help push out the entrapped drugs, thus promote drug release. However, there still has not been a general review of the constructions and biomedical applications of hydrogels from the viewpoint of swelling-shrinkable properties. Therefore, this review summarizes the tactics employed so far in tailoring the swelling-shrinkable properties of hydrogels and their biomedical applications. And a relatively comprehensive understanding of the current progress and future challenge of the hydrogels with different swelling-shrinkable features is provided for potential clinical translations.
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Affiliation(s)
- Wenjun Feng
- MOE Key Laboratory of Macromolecular Synthesis and FunctionalizationDepartment of Polymer Science and EngineeringZhejiang UniversityHangzhou310058China
| | - Zhengke Wang
- MOE Key Laboratory of Macromolecular Synthesis and FunctionalizationDepartment of Polymer Science and EngineeringZhejiang UniversityHangzhou310058China
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9
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Zhang Y, Wang S, Tian Y, Chen L, Du Y, Su G, Hu Y. Multi-Physically Cross-Linked Hydrogels for Flexible Sensors with High Strength and Self-Healing Properties. Polymers (Basel) 2023; 15:3748. [PMID: 37765600 PMCID: PMC10536548 DOI: 10.3390/polym15183748] [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: 08/02/2023] [Revised: 09/02/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Excellent mechanical properties and self-healing properties are very important for the practical application of hydrogel flexible sensors. In this study, acrylic acid and stearyl methyl acrylate were selected as monomers to synthesize hydrophobic association hydrogels, and multi-physically cross-linked hydrogels were synthesized by adding ferric chloride and polyvinyl alcohol to introduce ion interaction and a hydrogen bond cross-linking network. The hydrogels were characterized by FTIR, XRD and SEM, and the mechanical properties and self-healing properties were tested using a universal testing machine. It was confirmed that the strength of the hydrogel was significantly improved with the addition of ferric chloride and polyvinyl alcohol, and the hydrogel still showed good self-healing properties. Further testing of its application as a conductive sensor has demonstrated sensitive and stable motion sensing capabilities. This provides an important reference for high-performance hydrogel sensors with both high strength and self-healing properties.
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Affiliation(s)
- Yulin Zhang
- School of New Energy Materials and Chemistry, Leshan Normal University, Leshan 614000, China; (Y.Z.)
- Leshan West Silicon Materials Photovoltaic and New Energy Industry Technology Research Institute, Leshan 614000, China
| | - Shiyu Wang
- School of New Energy Materials and Chemistry, Leshan Normal University, Leshan 614000, China; (Y.Z.)
| | - Yi Tian
- School of New Energy Materials and Chemistry, Leshan Normal University, Leshan 614000, China; (Y.Z.)
| | - Long Chen
- School of New Energy Materials and Chemistry, Leshan Normal University, Leshan 614000, China; (Y.Z.)
| | - Yuhan Du
- School of New Energy Materials and Chemistry, Leshan Normal University, Leshan 614000, China; (Y.Z.)
| | - Gehong Su
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya’an 625014, China
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Yu Hu
- School of New Energy Materials and Chemistry, Leshan Normal University, Leshan 614000, China; (Y.Z.)
- Leshan West Silicon Materials Photovoltaic and New Energy Industry Technology Research Institute, Leshan 614000, China
- Material Corrosion and Protection Key Laboratory of Sichuan Province, Zigong 643000, China
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10
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Jia Z, Zeng H, Ye X, Dai M, Tang C, Liu L. Hydrogel-based treatments for spinal cord injuries. Heliyon 2023; 9:e19933. [PMID: 37809859 PMCID: PMC10559361 DOI: 10.1016/j.heliyon.2023.e19933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/05/2023] [Accepted: 09/06/2023] [Indexed: 10/10/2023] Open
Abstract
Spinal cord injury (SCI) is characterized by damage resulting in dysfunction of the spinal cord. Hydrogels are common biomaterials that play an important role in the treatment of SCI. Hydrogels are biocompatible, and some have electrical conductivity that are compatible with spinal cord tissues. Hydrogels have a high drug-carrying capacity, allowing them to be used for SCI treatment through the loading of various types of active substances, drugs, or cells. We first discuss the basic anatomy and physiology of the human spinal cord and briefly discuss SCI and its treatment. Then, we describe different treatment strategies for SCI. We further discuss the crosslinking methods and classification of hydrogels and detail hydrogel biomaterials prepared using different processing methods for the treatment of SCI. Finally, we analyze the future applications and limitations of hydrogels for SCI. The development of biomaterials opens up new possibilities and options for the treatment of SCI. Thus, our findings will inspire scholars in related fields and promote the development of hydrogel therapy for SCI.
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Affiliation(s)
- Zhiqiang Jia
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Huanxuan Zeng
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Xiuzhi Ye
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Minghai Dai
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Chengxuan Tang
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Liangle Liu
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
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Li X, Jiang M, Du Y, Ding X, Xiao C, Wang Y, Yang Y, Zhuo Y, Zheng K, Liu X, Chen L, Gong Y, Tian X, Zhang X. Self-healing liquid metal hydrogel for human-computer interaction and infrared camouflage. MATERIALS HORIZONS 2023; 10:2945-2957. [PMID: 37165676 DOI: 10.1039/d3mh00341h] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Due to their mechanical flexibility, conductive hydrogels have been widely investigated in the fields of flexible electronics and soft robots, but their non-negligible disadvantages, such as poor toughness and limited self-healing, severally restrict their practical application. Herein, gallium indium alloy (EGaIn) is utilized to initiate the polymerization and simultaneously serve as flexible fillers to construct a super-stretchable and self-healing liquid metal/polyvinyl alcohol/p(acrylamide-co-octadecyl methacrylate) (liquid metal/PVA/P(AAm-co-SMA)) double network hydrogel (LM hydrogel). The synergistic effect of the rigid PVA microcrystal network and the ductile P(AAm-co-SMA) hydrophobic network, together with the ionic coordination and hydrogen bonds between polymer networks (multiple physical cross-links), endow the LM hydrogel with excellent super-stretchability (2000%), toughness (3.00 MJ m-3), notch resistance, and self-healing property (healing efficiency > 99% at 25 °C after 24 h). The LM hydrogel exhibits sensitive strain sensing behavior, allowing human-computer interaction to achieve motion recognition and health monitoring. Significantly, owing to the excellent photothermal effect and low infrared emissivity of EGaIn, the LM hydrogel reveals great potential in infrared camouflage. The work of self-healing conductive liquid metal hydrogels will promote the research and practical application of hydrogels and liquid metal in intelligent devices and military fields.
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Affiliation(s)
- Xiaofei Li
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
- University of Science and Technology of China, Hefei 230026, China
| | - Miao Jiang
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
- University of Science and Technology of China, Hefei 230026, China
| | - Yiming Du
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
- University of Science and Technology of China, Hefei 230026, China
| | - Xin Ding
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
| | - Chao Xiao
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
| | - Yanyan Wang
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
| | - Yanyu Yang
- College of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan 450001, China.
| | - Yizhi Zhuo
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
| | - Kang Zheng
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
| | - Xianglan Liu
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
| | - Lin Chen
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
| | - Yi Gong
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
| | - Xingyou Tian
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
- University of Science and Technology of China, Hefei 230026, China
| | - Xian Zhang
- Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
- University of Science and Technology of China, Hefei 230026, China
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Moreno AI, Orozco Y, Ocampo S, Malagón S, Ossa A, Peláez-Vargas A, Paucar C, Lopera A, Garcia C. Effects of Propolis Impregnation on Polylactic Acid (PLA) Scaffolds Loaded with Wollastonite Particles against Staphylococcus aureus, Staphylococcus epidermidis, and Their Coculture for Potential Medical Devices. Polymers (Basel) 2023; 15:2629. [PMID: 37376275 DOI: 10.3390/polym15122629] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/09/2023] [Accepted: 05/13/2023] [Indexed: 06/29/2023] Open
Abstract
Several diseases and injuries cause irreversible damage to bone tissues, which may require partial or total regeneration or replacement. Tissue engineering suggests developing substitutes that may contribute to the repair or regeneration process by using three-dimensional lattices (scaffolds) to create functional bone tissues. Herein, scaffolds comprising polylactic acid and wollastonite particles enriched with propolis extracts from the Arauca region of Colombia were developed as gyroid triply periodic minimal surfaces using fused deposition modeling. The propolis extracts exhibited antibacterial activity against Staphylococcus aureus (ATCC 25175) and Staphylococcus epidermidis (ATCC 12228), which cause osteomyelitis. The scaffolds were characterized using scanning electron microscopy, Fourier-transform infrared spectroscopy, differential scanning calorimetry, contact angle, swelling, and degradation. Their mechanical properties were assessed using static and dynamic tests. Cell viability/proliferation assay was conducted using hDP-MSC cultures, while their bactericidal properties against monospecies cultures (S. aureus and S. epidermidis) and cocultures were evaluated. The wollastonite particles did not affect the physical, mechanical, or thermal properties of the scaffolds. The contact angle results showed that there were no substantial differences in the hydrophobicity between scaffolds with and without particles. Scaffolds containing wollastonite particles suffered less degradation than those produced using PLA alone. A representative result of the cyclic tests at Fmax = 450 N showed that the maximum strain reached after 8000 cycles is well below the yield strain (i.e., <7.5%), thereby indicating that even under these stringent conditions, these scaffolds will be able to work properly. The scaffolds impregnated with propolis showed a lower % of cell viability using hDP-MSCs on the 3rd day, but these values increased on the 7th day. These scaffolds exhibited antibacterial activity against the monospecies cultures of S. aureus and S. epidermidis and their cocultures. The samples without propolis loads did not show inhibition halos, whereas those loaded with EEP exhibited halos of 17.42 ± 0.2 mm against S. aureus and 12.9 ± 0.5 mm against S. epidermidis. These results made the scaffolds possible bone substitutes that exert control over species with a proliferative capacity for the biofilm-formation processes required for typical severe infectious processes.
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Affiliation(s)
- Ana Isabel Moreno
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
| | - Yeison Orozco
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
| | - Sebastián Ocampo
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
| | - Sarita Malagón
- Faculty of Dentistry, Universidad Cooperativa de Colombia sede Medellín, Medellín 055422, Colombia
| | - Alex Ossa
- School of Applied Sciences and Engineering, Universidad Eafit, Medellín 050022, Colombia
| | - Alejandro Peláez-Vargas
- Faculty of Dentistry, Universidad Cooperativa de Colombia sede Medellín, Medellín 055422, Colombia
| | - Carlos Paucar
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
| | - Alex Lopera
- Grupo de Nanoestructuras y Física Aplicada (NANOUPAR), Universidad Nacional de Colombia, La Paz 202017, Colombia
| | - Claudia Garcia
- Grupo de Cerámicos y Vítreos, Universidad Nacional de Colombia sede Medellín, Medellín 050034, Colombia
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Vadivel D, Zitarosa N, Dondi D. Influence of pH on the release of an active principle from 3D printed carrageenan-k combined with alginate or xanthan gum. Heliyon 2023; 9:e16850. [PMID: 37484387 PMCID: PMC10360943 DOI: 10.1016/j.heliyon.2023.e16850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/26/2023] [Accepted: 05/31/2023] [Indexed: 07/25/2023] Open
Abstract
The use of 3D printing began to diffuse in the pharmaceutical field in recent times, since 2015, with the approval of the first 3D printed drug from the FDA. The most used materials in association with this technique in this specific scope are hydrogels, already used widely in tissue engineering to produce scaffolds used in the realization of synthetic tissues. The aim of this project was to study the influence of different pH conditions on the release of a therapeutic molecule from a Carrageenan-k combined with alginate or xanthan gum hydrogel with a high level of biocompatibility and enough mechanical resistance to be used as printing material for a 3D bioprinter. The addition of biologically active supplements without affecting the model of the 3D printing structure of the biocompatible polymers was achieved by adopting the extrusion at moderately low temperatures. This study aimed to produce the necessary percentage of hydrogels which is responsible for the release of active drugs which respect to the pH of the system. In this case, the chosen curcumin drug which exhibits active release in the pH of the small intestine is a pH value of 6.
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Affiliation(s)
- Dhanalakshmi Vadivel
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
- INFN, Sezione di Pavia, Via Agostino Bassi 6, 27100, Pavia, Italy
| | - Nicolò Zitarosa
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
| | - Daniele Dondi
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
- INFN, Sezione di Pavia, Via Agostino Bassi 6, 27100, Pavia, Italy
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Design artificial intelligence-based optimization and swelling behavior of novel crosslinked polymeric network hydrogels based on acrylamide-2-hydroxyethyl methacrylate and acrylamide-N-isopropylacrylamide. Colloid Polym Sci 2023. [DOI: 10.1007/s00396-023-05064-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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15
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Garcia C, Orozco Y, Betancur A, Moreno AI, Fuentes K, Lopera A, Suarez O, Lobo T, Ossa A, Peláez-Vargas A, Paucar C. Fabrication of polycaprolactone/calcium phosphates hybrid scaffolds impregnated with plant extracts using 3D printing for potential bone regeneration. Heliyon 2023; 9:e13176. [PMID: 36798758 PMCID: PMC9925874 DOI: 10.1016/j.heliyon.2023.e13176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
The increase in critical bone diseases and defects in the world's population increases the need for bone substitutes to restore form and function. Organic and inorganic scaffolds with antibacterial properties could provide advantages for bone regeneration. In this study, we obtained scaffolds of polycaprolactone (PCL) charged with calcium phosphates nanoparticles and impregnated with extracts of Colombian plants as an alternative for potential bone regeneration. Calcium phosphate nanoparticles were obtained via auto-combustion synthesis. The nanoparticles were incorporated into the PCL with a chemical dissolution-disperse process. The composite obtained was used to produce a filament to print Triply Periodic Minimal Surface (TPMS) based scaffolds. Such geometry facilitates cellular growth thanks to its interconnected porosity. The scaffolds were impregnated with extracts of Justicia cf colorifera (Acanthaceae), and Billia rosea (Sapindaceae) due to their ancestral medical applications. A physical and biological characterization was conducted. The process to print scaffolds with an enhanced geometry to facilitate the flux of biological fluids was successful. The scaffolds loaded with B. rosea showed strong antibacterial behavior, suggesting the presence of reported terpenoids with antibacterial properties. The approach used in this study evidenced promising prospects for bone defect repair.
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Affiliation(s)
- Claudia Garcia
- Universidad Nacional de Colombia sede Medellín, Physics school, Grupo de Materiales Cerámicos y Vítreos, Colombia,Corresponding author. Universidad Nacional de Colombia sede Medellín, Carrera 65 # 59A-100, Medellín, Colombia.
| | - Yeison Orozco
- Universidad Nacional de Colombia sede Medellín, Grupo de Materiales Cerámicos y Vítreos, Colombia
| | - Alejandra Betancur
- Universidad Nacional de Colombia sede Medellín, Grupo de Materiales Cerámicos y Vítreos, Colombia
| | - Ana Isabel Moreno
- Universidad Nacional de Colombia sede Medellín, Grupo de Materiales Cerámicos y Vítreos, Colombia
| | | | - Alex Lopera
- Grupo de Nanoestructuras y Física Aplicada (NANOUPAR), Dirección Académica, Universidad Nacional de Colombia, Sede de La Paz, Km 9 vía Valledupar La Paz, La Paz 202010, Colombia
| | - Oscar Suarez
- Universidad Nacional de Colombia sede Orinoquia, Colombia
| | - Tatiana Lobo
- Universidad Nacional de Colombia sede Medellín, Chemistry school, Colombia
| | - Alexander Ossa
- School of Applied Sciences and Engineering, Universidad Eafit, Medellín, Colombia
| | | | - Carlos Paucar
- Universidad Nacional de Colombia sede Medellín, Chemistry school, Grupo de Materiales Cerámicos y Vítreos, Colombia
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Injectable carboxymethyl chitosan-genipin hydrogels encapsulating tea tree oil for wound healing. Carbohydr Polym 2022; 301:120348. [DOI: 10.1016/j.carbpol.2022.120348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 11/02/2022] [Accepted: 11/10/2022] [Indexed: 11/17/2022]
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17
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Bu K, Wu S, Zhu C, Wei M. Comparative study of HG-type low-ester hawthorn pectin as a promising material for the preparation of hydrogel. Carbohydr Polym 2022; 296:119941. [DOI: 10.1016/j.carbpol.2022.119941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 01/17/2023]
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