Yu Xiao, Lu Wang, Xueze Zhang, Yi Ren, Jianhong Wang, Baolong Niu, Wenfeng Li
{"title":"Preparation and Characterization of Silica-Coated Sodium Alginate Hydrogel Beads and the Delivery of Curcumin.","authors":"Yu Xiao, Lu Wang, Xueze Zhang, Yi Ren, Jianhong Wang, Baolong Niu, Wenfeng Li","doi":"10.1080/09205063.2024.2368957","DOIUrl":"10.1080/09205063.2024.2368957","url":null,"abstract":"<p><p>In this study, to address the defects of sodium alginate (SA), such as its susceptibility to disintegration, silica was coated on the outer layer of sodium alginate hydrogel beads in order to improve its swelling and slow-release properties. Tetraethyl orthosilicate (TEOS) was used as the hydrolyzed precursor, and the solution of silica precursor was prepared by sol-gel reaction under acidic conditions. Then SA-silica hydrogel beads prepared by ionic crosslinking method were immersed into the SiO<sub>2</sub> precursor solution to prepare SA-silica hydrogel beads. The chemical structure and morphology of the hydrogel beads were characterized by XRD, FTIR, and SEM, and the results showed that the surface of SA-silica beads was successfully encapsulated with the outer layer of SiO<sub>2</sub>, and the surface was smooth and dense. The swelling experiments showed that the swelling performance effectively decreased with the increase of TEOS molar concentration, and the maximum swelling ratio of the hydrogel beads decreased from 41.07 to 14.3, and the time to reach the maximum swelling ratio was prolonged from 4 h to 8 h. The sustained-release experiments showed that the SA-silica hydrogel beads possessed a good pH sensitivity, and the time of sustained-release was significantly prolonged in vitro. Hemolysis and cytotoxicity experiments showed that the SA-silica hydrogel beads were biocompatible when the TEOS molar concentration was lower than 0.375 M. The SA-silica-2 hydrogel beads had good biocompatibility, swelling properties, and slow-release properties at the same time.</p>","PeriodicalId":15195,"journal":{"name":"Journal of Biomaterials Science, Polymer Edition","volume":" ","pages":"2153-2169"},"PeriodicalIF":3.6,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141492129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hong Xu, Chen Zang, Fangbo Zhang, Jixiang Tian, Hua Li, Shihuan Tang, Guohua Wang
{"title":"An innovative rheology analysis method applies to the formulation optimization of Panax notoginseng total saponins ocular gel.","authors":"Hong Xu, Chen Zang, Fangbo Zhang, Jixiang Tian, Hua Li, Shihuan Tang, Guohua Wang","doi":"10.1080/09205063.2024.2406632","DOIUrl":"https://doi.org/10.1080/09205063.2024.2406632","url":null,"abstract":"<p><p>Emphasizing the viscoelasticity of ophthalmic gels is crucial for understanding the residence time, structure, and stability of hydrogels. This study primarily aimed to propose an innovative rheology analysis method for ophthalmic gels, considering complex eye movements. This method was applied to select ophthalmic gels with favorable rheological characteristics. Additionally, the physical characteristics and <i>in vitro</i> release of the selected <i>Panax notoginseng</i> total saponins (PNS) gel were demonstrated. The selected PNS gel significantly increased the activities of SOD and decreased intracellular levels of MDA, TNF-α, and IL-1β in H<sub>2</sub>O<sub>2</sub>-treated ARPE-19 cells. Finally, the optimal formulation was selected as a suitable platform for ophthalmic delivery and was shown to significantly rescue ARPE-19 cells from oxidative cellular damage.</p>","PeriodicalId":15195,"journal":{"name":"Journal of Biomaterials Science, Polymer Edition","volume":" ","pages":"1-19"},"PeriodicalIF":3.6,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142347317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"ROS-Responsive Nanoparticles with Antioxidative Effect for the treatment of Diabetic Retinopathy.","authors":"Jinjin Li, Yujia Liu, Kedui Geng, Xin Lu, Xiangchun Shen, Qianqian Guo","doi":"10.1080/09205063.2024.2406628","DOIUrl":"https://doi.org/10.1080/09205063.2024.2406628","url":null,"abstract":"<p><p>Diabetic retinopathy (DR) is a common microvascular complication of diabetes necessitating early intervention to impede progression, despite current clinical treatments focusing on advanced stages. Essential oils from Fructus Alpiniae zerumbet (EOFAZ) have demonstrated efficacy in protecting against high glucose (HG)-induced Müller cell activation and DR development. This study introduced a reactive oxidative species (ROS)-responsive drug delivery system (NPS<sub>PHE</sub>@EOFAZ) targeting early DR stages and oxidative stress. Our engineered nanoparticles effectively deliver EOFAZ into HG-exposed Müller cells by detecting and responding to elevated oxidative stress levels. The NPS<sub>PHE</sub>@EOFAZ significantly inhibited abnormal cell growth, reduced oxidative stress, and alleviated inflammation <i>in vitro. In vivo</i> experiments on diabetic mice with DR revealed that NPS<sub>PHE</sub>@EOFAZ mitigated early pathological changes by reducing oxidative stress and inflammation while also alleviating organ damage in the heart, liver, spleen, lung, and kidney. These findings underscore the potential of NPS<sub>PHE</sub>@EOFAZ as a promising antioxidant for early intervention in DR pathogenesis.</p>","PeriodicalId":15195,"journal":{"name":"Journal of Biomaterials Science, Polymer Edition","volume":" ","pages":"1-22"},"PeriodicalIF":3.6,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142347318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Neutrophil membrane-coated multifunctional biomimetic nanoparticles for spinal cord injuries.","authors":"Hongyi Zhu, Feng Cai, Ziang Li, Lichen Zhang, Xindie Zhou, Jiapei Yao, Wei Wang, Liang Zhou, Xinzhao Jiang, Kun Xi, Yong Gu, Liang Chen, Yidi Zhou","doi":"10.1080/09205063.2024.2404760","DOIUrl":"https://doi.org/10.1080/09205063.2024.2404760","url":null,"abstract":"<p><p>Spinal cord injury (SCI) is one of the most complex diseases. After SCI, severe secondary injuries can cause intense inflammatory storms and oxidative stress responses, leading to extensive neuronal apoptosis. Effective regulation of inflammation and oxidative stress after SCI remains an unresolved challenge. In this study, resveratrol-loaded nanoparticles coated with neutrophil membranes (NMR) were prepared using the emulsion-solvent evaporation method and membrane encapsulation technology. Multifunctional biomimetic nanoparticles retain neutrophil membrane-related receptors and possess a strong adsorption capacity for inflammatory factors. As a drug carrier, NMR can sustainably release resveratrol for >72 h. Moreover, co-culture studies <i>in vitro</i> show that the NMR help regulate macrophage polarization to relieve inflammatory response, reduce intracellular reactive oxygen species by approximately 50%, and improve mitochondrial membrane potential to alleviate oxidative stress. After injecting NMR into the injury site, it reduces early apoptosis, inhibit scar formation, and promote neural network recovery to improve motor function. This study demonstrates the anti-inflammatory, antioxidant, and neuroprotective effects of NMR, thus providing a novel therapeutic strategy for SCI.</p>","PeriodicalId":15195,"journal":{"name":"Journal of Biomaterials Science, Polymer Edition","volume":" ","pages":"1-25"},"PeriodicalIF":3.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142288068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Prayas Chakma Shanto,Heyjin Tae,Md Yousuf Ali,Nusrat Jahan,Hae Il Jung,Byong-Taek Lee
{"title":"Dual-layer nanofibrous PCL/gelatin membrane as a sealant barrier to prevent postoperative pancreatic leakage.","authors":"Prayas Chakma Shanto,Heyjin Tae,Md Yousuf Ali,Nusrat Jahan,Hae Il Jung,Byong-Taek Lee","doi":"10.1080/09205063.2024.2402135","DOIUrl":"https://doi.org/10.1080/09205063.2024.2402135","url":null,"abstract":"Post-operative pancreatic leakage is a severe surgical complication that can cause internal bleeding, infections, multiple organ damage, and even death. To prevent pancreatic leakage and enhance the protection of the suture lining and tissue regeneration, a dual-layer nanofibrous membrane composed of synthetic polymer polycaprolactone (PCL) and biopolymer gelatin was developed. The fabrication of this dual-layer (PGI-PGO) membrane was achieved through the electrospinning technique, with the inner layer (PGI) containing 2% PCL (w/v) and 10% gelatin (w/v), and the outer layer (PGO) containing 10% PCL (w/v) and 10% gelatin (w/v) in mixing ratios of 2:1 and 1:1, respectively. Experimental results indicated that a higher gelatin content reduced fiber diameter enhanced the hydrophilicity of the PGI layer compared to the PGO layer, improved the membrane's biodegradability, and increased its adhesive properties. In vitro biocompatibility assessments with L929 fibroblast cells showed enhanced cell proliferation in the PGI-PGO membrane. In vivo studies confirmed that the PGI-PGO membrane effectively protected the suture line without any instances of leakage and promoted wound healing within four weeks post-surgery. In conclusion, the nanofibrous PGI-PGO membrane demonstrates a promising therapeutic potential to prevent postoperative pancreatic leakage.","PeriodicalId":15195,"journal":{"name":"Journal of Biomaterials Science, Polymer Edition","volume":"18 1","pages":"1-18"},"PeriodicalIF":3.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The emerging role of nanoscaffolds in chronic diabetic wound healing: a new horizon for advanced therapeutics","authors":"Mehmet Ali Tibatan, Dzana Katana, Casey M. Yin","doi":"10.1080/09205063.2024.2402148","DOIUrl":"https://doi.org/10.1080/09205063.2024.2402148","url":null,"abstract":"Non-healing or chronic wounds in extremities that lead to amputations in patients with Type II diabetes (hyperglycemia) are among the most serious and common health problems in the modern world. Ov...","PeriodicalId":15195,"journal":{"name":"Journal of Biomaterials Science, Polymer Edition","volume":"262 1","pages":"1-32"},"PeriodicalIF":3.6,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Triple-layered encapsulation of sensitive biomolecules into poly (ε-caprolactone) nanofibers using AC electrospraying.","authors":"Nikifor Asatiani,Petra Křtěnová,Pavel Šimon,Štěpán Kunc,Petr Mikeš","doi":"10.1080/09205063.2024.2399387","DOIUrl":"https://doi.org/10.1080/09205063.2024.2399387","url":null,"abstract":"The incorporation of sensitive bioactive substances such as proteins or DNA into nanofibers poses a significant problem due to the toxicity of most organic solvents. The main idea of this study is to use alternating current electrospraying to create a suspension consisting of polyvinyl alcohol (PVA) capsules containing a bioactive substance dispersed in a solvent system suitable for a water-insoluble biocompatible polymer. In this suspension consisting of PVA capsules and a chloroform/ethanol mixture, poly (ε-caprolactone) (PCL) was dissolved and spun by needle-free electrospinning. The result is a fibrous PCL structure in which PVA capsules containing the bioactive agent are integrated. The PVA capsules protect the bioactive substance from the organic solvents needed to dissolve the PCL. To verify the efficacy of the capsules' protection against chloroform, the green fluorescent protein was first encapsulated into the nanofibers, followed by horseradish peroxidase. Both molecules were shown to retain their bioactivity within the nanofibers.","PeriodicalId":15195,"journal":{"name":"Journal of Biomaterials Science, Polymer Edition","volume":"17 1","pages":"1-19"},"PeriodicalIF":3.6,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Robust tissue adhesion in biomedical applications: enhancing polymer stability in an injectable protein-based hydrogel.","authors":"Pijush Giri,Daman Yadav,Balaram Mishra,Mukesh Kumar Gupta,Devendra Verma","doi":"10.1080/09205063.2024.2398888","DOIUrl":"https://doi.org/10.1080/09205063.2024.2398888","url":null,"abstract":"Protein-based hydrogels are appealing materials for a variety of therapeutic uses because they are compatible, biodegradable, and adaptable to biological and chemical changes. Therefore, adherent varieties of hydrogels have received significant study; nevertheless, the majority of them show weak mechanical characteristics, transient adherence, poor biocompatibility activity, and low tensile strength. Here we are reporting, a two-component (BSA-gelatin) protein solution crosslinked with Tetrakis (hydroxymethyl) phosphonium chloride (THPC) to form a novel hydrogel. Compared with classical adhesive hydrogels, this hydrogel showed enhanced mechanical properties, was biocompatible with L929 cells, and had minimal invasive injectability. A considerable, high tensile strength of 73.33 ± 11.54 KPa and faultless compressive mechanical properties of 173 KPa at 75% strain were both demonstrated by this adhesive hydrogel. Moreover, this maximum tissue adhesion strength could reach 18.29 ± 2.22 kPa, significantly higher than fibrin glue. Cell viability was 97.09 ± 6.07%, which indicated that these hydrogels were non-toxic to L929. The fastest gelation time of the BSA-gelatin hydrogel was 1.25 ± 0.17 min at physiological pH and 37 °C. Therefore, the obtained novel work can potentially serve as a tissue adhesive hydrogel in the field of biomedical industries.","PeriodicalId":15195,"journal":{"name":"Journal of Biomaterials Science, Polymer Edition","volume":"12 1","pages":"1-23"},"PeriodicalIF":3.6,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142200704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Nanomaterial-functionalized electrospun scaffolds for tissue engineering.","authors":"Kilole Tesfaye Chaka,Kai Cao,Tamrat Tesfaye,Xiaohong Qin","doi":"10.1080/09205063.2024.2399909","DOIUrl":"https://doi.org/10.1080/09205063.2024.2399909","url":null,"abstract":"Tissue engineering has emerged as a biological alternative aimed at sustaining, rehabilitating, or enhancing the functionality of tissues that have experienced partial or complete loss of their operational capabilities. The distinctive characteristics of electrospun nanofibrous structures, such as their elevated surface-area-to-volume ratio, specific pore sizes, and fine fiber diameters, make them suitable as effective scaffolds in tissue engineering, capable of mimicking the functions of the targeted tissue. However, electrospun nanofibers, whether derived from natural or synthetic polymers or their combinations, often fall short of replicating the multifunctional attributes of the extracellular matrix (ECM). To address this, nanomaterials (NMs) are integrated into the electrospun polymeric matrix through various functionalization techniques to enhance their multifunctional properties. Incorporation of NMs into electrospun nanofibrous scaffolds imparts unique features, including a high surface area, superior mechanical properties, compositional variety, structural adaptability, exceptional porosity, and enhanced capabilities for promoting cell migration and proliferation. This review provides a comprehensive overview of the various types of NMs, the methodologies used for their integration into electrospun nanofibrous scaffolds, and the recent advancements in NM-functionalized electrospun nanofibrous scaffolds aimed at regenerating bone, cardiac, cartilage, nerve, and vascular tissues. Moreover, the main challenges, limitations, and prospects in electrospun nanofibrous scaffolds are elaborated.","PeriodicalId":15195,"journal":{"name":"Journal of Biomaterials Science, Polymer Edition","volume":"27 1","pages":"1-43"},"PeriodicalIF":3.6,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142200702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}