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Dai L, Li J, Zhang J, Zeng Q, Liu T, Yu Q, Tao S, Zhou M, Hou H. Phosphorus-based soil prophylactics for managing Pb contamination in soil: Slow-release kinetics and microbiological effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 940:173647. [PMID: 38823702 DOI: 10.1016/j.scitotenv.2024.173647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/06/2024] [Accepted: 05/28/2024] [Indexed: 06/03/2024]
Abstract
Soil remediation poses significant challenges due to its spatial heterogeneity, surpassing the complexities of atmospheric and water remediation. This study introduces an innovative approach to prevent soil heavy metal pollution by developing three phosphorus slow-release heavy metal soil prophylactic agents (SLPs) - Sap-11, Sap-12, and Sap-21. At a liquid-to-solid ratio of 1:20, the three types of SLPs achieve phosphorus sustained slow release amounts of 1.586 g/L, 4.259 g/L, and 1.444 g/L within 30 days, respectively. Over a cultivation period of 120 days, after amendment with the three SLPs, the surface soil demonstrates stabilization capacities for Pb of 29.56 mg/g, 46.24 mg/g, and 25.77 mg/g, respectively, representing enhancements of 283.64 %, 500.12 %, and 250.74 % compared to the control. Firstly, the direct contribution of P (up to 3.778 mg/g) released from SLPs chemically binding with Pb, and secondly, a significant proportion of the indirect contribution originating from the microbial activity and soil organic matter. In summary, SLP emerges as an effective strategy for soil heavy metal management, stabilizing heavy metals by stimulating the soil's inherent physiological and biochemical reactions. This approach provides a practical solution for the application of P-containing materials and introduces novel perspectives for soil heavy metal management strategies.
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Affiliation(s)
- Luming Dai
- School of Resource and Environmental Science, Wuhan University, Wuhan 430072, Hubei, China
| | - Jiahao Li
- School of Resource and Environmental Science, Wuhan University, Wuhan 430072, Hubei, China; Wuhan University (Zhaoqing) Institute of Resources and Environmental Technology, Zhaoqing 526200, Guangdong, China.
| | - Jiaxing Zhang
- School of Resource and Environmental Science, Wuhan University, Wuhan 430072, Hubei, China
| | - Qingyuan Zeng
- School of Resource and Environmental Science, Wuhan University, Wuhan 430072, Hubei, China
| | - Tong Liu
- School of Resource and Environmental Science, Wuhan University, Wuhan 430072, Hubei, China
| | - Qinqin Yu
- School of Resource and Environmental Science, Wuhan University, Wuhan 430072, Hubei, China
| | - Shaoyang Tao
- School of Resource and Environmental Science, Wuhan University, Wuhan 430072, Hubei, China
| | - Min Zhou
- School of Resource and Environmental Science, Wuhan University, Wuhan 430072, Hubei, China
| | - Haobo Hou
- School of Resource and Environmental Science, Wuhan University, Wuhan 430072, Hubei, China; Wuhan University (Zhaoqing) Institute of Resources and Environmental Technology, Zhaoqing 526200, Guangdong, China.
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2
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Pan T, Wang X, Zhu J, Wang H. Preparation of bright yellow color sodium alginate solution. Carbohydr Polym 2024; 337:122169. [PMID: 38710560 DOI: 10.1016/j.carbpol.2024.122169] [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: 12/28/2023] [Revised: 04/06/2024] [Accepted: 04/14/2024] [Indexed: 05/08/2024]
Abstract
Sodium alginate (SA) is a marine polysaccharide biomass material that is environmentally friendly and exhibits color-changing properties under certain conditions. In this study, we have discovered sodium alginate solution to be chromogenic under four conditions, namely alkali-chromogenic, thermo-chromogenic, force-chromogenic and photo-chromogenic. Under simple strong alkaline conditions, sodium alginate forms clusters of blue light-absorbing chromogenic aggregates, which exhibit a bright yellow color at a certain size. Under different temperature conditions, SA shows varying shades of yellow, and the color tends to stabilize after 48 h of resting. The aggregates can be dispersed by stirring, which changes SA from yellow to colorless. The yellow color can then be recovered after resting. Additionally, exposure to sunlight can cause the yellow SA to fade, but the color can be restored by reheating. Therefore, the force-chromogenic and photo-chromogenic properties are reversible. This makes it a promising material for use in color-developing and indicating materials. It is expected to become a sodium alginate cluster pigment with broad application prospects in the future.
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Affiliation(s)
- Tongtong Pan
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Xiao Wang
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Jiaxin Zhu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Haizeng Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China.
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3
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Hassanzadeh-Tabrizi SA. Alginate based hemostatic materials for bleeding management: A review. Int J Biol Macromol 2024; 274:133218. [PMID: 38901512 DOI: 10.1016/j.ijbiomac.2024.133218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/04/2024] [Accepted: 06/15/2024] [Indexed: 06/22/2024]
Abstract
Severe bleeding has caused significant financial losses as well as a major risk to the lives and health of military and civilian populations. Under some situations, the natural coagulation mechanism of the body is unable to achieve fast hemostasis without the use of hemostatic drugs. Thus, the development of hemostatic materials and techniques is essential. Improving the quality of life and survival rate of patients and minimizing bodily damage requires fast, efficient hemostasis and prevention of bleeding. Alginate is regarded as an outstanding hemostatic polymer because of its non-immunogenicity, biodegradability, good biocompatibility, simple gelation, non-toxicity, and easy availability. This review summarizes the basics of hemostasis and emphasizes the recent developments regarding alginate-based hemostatic systems. Structural modifications and mixing with other materials have widely been used for the improvement of hemostatic characteristics of alginate and for making multifunctional medical devices that not only prevent uncontrolled bleeding but also have antibacterial characteristics, drug delivery abilities, and curing effects. This review is hoped to prepare critical insights into alginate modifications for better hemostatic properties.
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Affiliation(s)
- S A Hassanzadeh-Tabrizi
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran.
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4
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Kajla P, Chaudhary V, Dewan A, Bangar SP, Ramniwas S, Rustagi S, Pandiselvam R. Seaweed-based biopolymers for food packaging: A sustainable approach for a cleaner tomorrow. Int J Biol Macromol 2024; 274:133166. [PMID: 38908645 DOI: 10.1016/j.ijbiomac.2024.133166] [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: 02/16/2024] [Revised: 06/12/2024] [Accepted: 06/13/2024] [Indexed: 06/24/2024]
Abstract
With the increasing environmental and health consequences of uncontrolled plastic use, the scientific community is progressively gravitating toward biodegradable and ecofriendly packaging alternatives. Seaweed polysaccharides have attracted attention recently because of their biodegradability, nontoxicity, antioxidant properties, and superior film-forming ability. However, it has some limitations for packaging applications, such as low tensile strength, water solubility, and only modest antimicrobial properties. The incorporation of biopolymers, nanoparticles, or organic active ingredients enhances these characteristics. This review encapsulates the contemporary research landscape pivoting around the role of seaweed polysaccharides in the development of bioplastics, active packaging solutions, edible films, and protective coatings. A meticulous collation of existing literature dissects the myriad food application avenues for these marine biopolymers, emphasizing their multifaceted physical, mechanical, thermal, and functional attributes, including antimicrobial and antioxidant. A key facet of this review spotlights environmental ramifications by focusing on their biodegradability, reinforcing their potential as a beacon of sustainable innovation. This article delves into the prevalent challenges that stymie large-scale adoption and commercialization of seaweed-centric packaging, offering a comprehensive perspective on this burgeoning domain.
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Affiliation(s)
- Priyanka Kajla
- Department of Food Technology, Guru Jambheshwar University of Science & Technology, Hisar, India
| | - Vandana Chaudhary
- College of Dairy Science and Technology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, India.
| | - Aastha Dewan
- Department of Food Technology, Guru Jambheshwar University of Science & Technology, Hisar, India
| | - Sneh Punia Bangar
- Department of Food, Nutrition, and Packaging Sciences, Clemson University, Clemson, 29634, USA
| | - Seema Ramniwas
- University Centre for Research and Development, University of Biotechnology, Chandigarh University, Gharuan, Mohali, Punjab, India
| | - Sarvesh Rustagi
- School of Applied and Life sciences, Uttaranchal University, Dehradun, Uttarakhand, India
| | - R Pandiselvam
- Physiology, Biochemistry and Post-Harvest Technology Division, ICAR-Central Plantation Crops Research Institute (CPCRI), Kasaragod 671 124, Kerala, India.
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5
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Moheimani H, Stealey S, Neal S, Ferchichi E, Zhang J, Foston M, Setton LA, Genin GM, Huebsch N, Zustiak SP. Tunable Viscoelasticity of Alginate Hydrogels via Serial Autoclaving. Adv Healthc Mater 2024:e2401550. [PMID: 39075933 DOI: 10.1002/adhm.202401550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/02/2024] [Indexed: 07/31/2024]
Abstract
Alginate hydrogels are widely used as biomaterials for cell culture and tissue engineering due to their biocompatibility and tunable mechanical properties. Reducing alginate molecular weight is an effective strategy for modulating hydrogel viscoelasticity and stress relaxation behavior, which can significantly impact cell spreading and fate. However, current methods like gamma irradiation to produce low molecular weight alginates suffer from high cost and limited accessibility. Here, a facile and cost-effective approach to reduce alginate molecular weight in a highly controlled manner using serial autoclaving is presented. Increasing the number of autoclave cycles results in proportional reductions in intrinsic viscosity, hydrodynamic radius, and molecular weight of the polymer while maintaining its chemical composition. Hydrogels fabricated from mixtures of the autoclaved alginates exhibit tunable mechanical properties, with inclusion of lower molecular weight alginate leading to softer gels with faster stress relaxation behaviors. The method is demonstrated by establishing how viscoelastic relaxation affects the spreading of encapsulated fibroblasts and glioblastoma cells. Results establish repetitive autoclaving as an easily accessible technique to generate alginates with a range of molecular weights and to control the viscoelastic properties of alginate hydrogels, and demonstrate utility across applications in mechanobiology, tissue engineering, and regenerative medicine.
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Affiliation(s)
- Hamidreza Moheimani
- NSF Science and Technology Center for Engineering MechanoBiology (CEMB), Washington University in Saint Louis, Saint Louis, MO, 63130, USA
| | - Samuel Stealey
- Department of Biomedical Engineering, School of Science and Engineering, Saint Louis University, Saint Louis, MO, 63103, USA
| | - Sydney Neal
- Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, Saint Louis, MO, 63130, USA
| | - Eya Ferchichi
- NSF Science and Technology Center for Engineering MechanoBiology (CEMB), Washington University in Saint Louis, Saint Louis, MO, 63130, USA
| | - Jialiang Zhang
- Department of Energy, Environmental & Chemical Engineering, Washington University in Saint Louis, Saint Louis, MO, 63130, USA
| | - Marcus Foston
- Department of Energy, Environmental & Chemical Engineering, Washington University in Saint Louis, Saint Louis, MO, 63130, USA
| | - Lori A Setton
- Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, Saint Louis, MO, 63130, USA
- Department of Biomedical Engineering, Washington University in St. Louis, Saint Louis, MO, 63130, USA
| | - Guy M Genin
- NSF Science and Technology Center for Engineering MechanoBiology (CEMB), Washington University in Saint Louis, Saint Louis, MO, 63130, USA
- Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, Saint Louis, MO, 63130, USA
- Department of Biomedical Engineering, Washington University in St. Louis, Saint Louis, MO, 63130, USA
| | - Nathaniel Huebsch
- NSF Science and Technology Center for Engineering MechanoBiology (CEMB), Washington University in Saint Louis, Saint Louis, MO, 63130, USA
- Department of Biomedical Engineering, Washington University in St. Louis, Saint Louis, MO, 63130, USA
| | - Silviya P Zustiak
- NSF Science and Technology Center for Engineering MechanoBiology (CEMB), Washington University in Saint Louis, Saint Louis, MO, 63130, USA
- Department of Biomedical Engineering, School of Science and Engineering, Saint Louis University, Saint Louis, MO, 63103, USA
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6
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Liu Z, Zhao J, Wang A, Yuan H, Chi Y. Adsorption behavior and mechanism of cu(II) by sodium alginate/carboxymethylcellulose/magnesium hydroxide (SC-MH) hydrogel. Int J Biol Macromol 2024:134046. [PMID: 39033892 DOI: 10.1016/j.ijbiomac.2024.134046] [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: 05/06/2024] [Revised: 07/14/2024] [Accepted: 07/18/2024] [Indexed: 07/23/2024]
Abstract
In the present work, an environmentally-friendly, reusable hydrogel ball characterized by its great adsorption capacity to Cu(II) was synthesized. The preparation of this hydrogel drew on sodium alginate (SA) and carboxymethyl cellulose (CMC) as primary composition elements. The endeavor brought novelty by ingeniously infusing it with slurry magnesium hydroxide (MH). The factors (pH, SC-MH amount, initial concentration, adsorption time) that are critical to adsorption were also investigated. FTIR, SEM-EDS and XPS were used to reveal the adsorption mechanism of Cu on SC-MH. The results show that the surface of SC-MH is rough, and there are a large number of gully-like structures conducive to adsorption, which are rich in hydroxyl and carboxyl groups. Under the optimum conditions, the maximum adsorption capacity reached 215.68 mg/g. Based on its high R2 value (0.999), the Langmuir model is determined to be the most appropriate for describing the adsorption behavior, indicating monolayer homogeneous adsorption. The kinetic data align well with the pseudo-second-order kinetic model. Furthermore, thermodynamic analysis reveals the adsorption process to be spontaneous and endothermic, as demonstrated by a negative ΔG and positive ΔH (38.8859 KJ/mol). The mechanism involves electrostatic attraction, chelation, Mg(OH)2 adsorption and ion exchange.
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Affiliation(s)
- Zhong Liu
- Tianjin Key Laboratory of Aquatic Science and Technology, School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - Jianhai Zhao
- Tianjin Key Laboratory of Aquatic Science and Technology, School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China.
| | - Anni Wang
- Tianjin Key Laboratory of Aquatic Science and Technology, School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - Hongying Yuan
- Tianjin Key Laboratory of Aquatic Science and Technology, School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - Yongzhi Chi
- Tianjin Key Laboratory of Aquatic Science and Technology, School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
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7
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Zhang Y, Dong Q, Zhao X, Sun Y, Lin X, Zhang X, Wang T, Yang T, Jiang X, Li J, Cao Z, Cai T, Liu W, Zhang H, Bai J, Yao Q. Honeycomb-like biomimetic scaffold by functionalized antibacterial hydrogel and biodegradable porous Mg alloy for osteochondral regeneration. Front Bioeng Biotechnol 2024; 12:1417742. [PMID: 39070169 PMCID: PMC11273084 DOI: 10.3389/fbioe.2024.1417742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 06/20/2024] [Indexed: 07/30/2024] Open
Abstract
Introduction: Osteochondral repair poses a significant challenge due to its unique pathological mechanisms and complex repair processes, particularly in bacterial tissue conditions resulting from open injuries, infections, and surgical contamination. This study introduces a biomimetic honeycomb-like scaffold (Zn-AlgMA@Mg) designed for osteochondral repair. The scaffold consists of a dicalcium phosphate dihydrate (DCPD)-coated porous magnesium scaffold (DCPD Mg) embedded within a dual crosslinked sodium alginate hydrogel (Zn-AlgMA). This combination aims to synergistically exert antibacterial and osteochondral integrated repair properties. Methods: The Zn-AlgMA@Mg scaffold was fabricated by coating porous magnesium scaffolds with DCPD and embedding them within a dual crosslinked sodium alginate hydrogel. The structural and mechanical properties of the DCPD Mg scaffold were characterized using scanning electron microscopy (SEM) and mechanical testing. The microstructural features and hydrophilicity of Zn-AlgMA were assessed. In vitro studies were conducted to evaluate the controlled release of magnesium and zinc ions, as well as the scaffold's osteogenic, chondrogenic, and antibacterial properties. Proteomic analysis was performed to elucidate the mechanism of osteochondral integrated repair. In vivo efficacy was evaluated using a rabbit full-thickness osteochondral defect model, with micro-CT evaluation, quantitative analysis, and histological staining (hematoxylin-eosin, Safranin-O, and Masson's trichrome). Results: The DCPD Mg scaffold exhibited a uniform porous structure and superior mechanical properties. The Zn-AlgMA hydrogel displayed consistent microstructural features and enhanced hydrophilicity. The Zn-AlgMA@Mg scaffold provided controlled release of magnesium and zinc ions, promoting cell proliferation and vitality. In vitro studies demonstrated significant osteogenic and chondrogenic properties, as well as antibacterial efficacy. Proteomic analysis revealed the underlying mechanism of osteochondral integrated repair facilitated by the scaffold. Micro-CT evaluation and histological analysis confirmed successful osteochondral integration in the rabbit model. Discussion: The biomimetic honeycomb-like scaffold (Zn-AlgMA@Mg) demonstrated promising results for osteochondral repair, effectively addressing the challenges posed by bacterial tissue conditions. The scaffold's ability to release magnesium and zinc ions in a controlled manner contributed to its significant osteogenic, chondrogenic, and antibacterial properties. Proteomic analysis provided insights into the scaffold's mechanism of action, supporting its potential for integrated osteochondral regeneration. The successful in vivo results highlight the scaffold's efficacy, making it a promising biomaterial for future applications in osteochondral repair.
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Affiliation(s)
- Yongqiang Zhang
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Qiangsheng Dong
- School of Materials Science and Engineering, Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, Nanjing Institute of Technology, Nanjing, China
| | - Xiao Zhao
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Yuzhi Sun
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Xin Lin
- Department of Laboratory Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xin Zhang
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Tianming Wang
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Tianxiao Yang
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Xiao Jiang
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Jiaxiang Li
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Zhicheng Cao
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Tingwen Cai
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Wanshun Liu
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Hongjing Zhang
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
| | - Jing Bai
- School of Materials Science and Engineering, Southeast University, Nanjing, Jiangsu, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, China
| | - Qingqiang Yao
- Department of Orthopedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Key Lab of Additive Manufacturing Technology, Institute of Digital Medicine, Nanjing Medical University, Nanjing, China
- Research Center of Digital Medicine and 3D Printing Technology of Jiangsu Province, Nanjing, China
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8
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Negahdari N, Alizadeh S, Majidi J, Saeed M, Ghadimi T, Tahermanesh K, Arabsorkhi-Mishabi A, Pezeshki-Modaress M. Heat-treated alginate-polycaprolactone core-shell nanofibers by emulsion electrospinning process for biomedical applications. Int J Biol Macromol 2024; 275:133709. [PMID: 38977047 DOI: 10.1016/j.ijbiomac.2024.133709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 05/22/2024] [Accepted: 07/05/2024] [Indexed: 07/10/2024]
Abstract
Fabrication of Core-shell nanofibrous mat which is a promising tool for a wide range of applications in tissue engineering can be developed using water in oil (W/O) or oil in water (O/W) emulsion electrospinning. In this study, for the first time, we fabricated an O/W emulsion-based electrospun core-shell mat using polycaprolactone (PCL) as a core and the blend solution of alginate (Alg) and polyethylene oxide (PEO) as shell material. To achieve a stable core-shell mat, firstly, Alg was modified with heat treatment to decrease the molecular weight of Alg. Then, to improve the chain flexibility of Alg, PEO as a second polymer was added to facilitate its electrospinnability. The different volume ratios of O/W were then fabricated by adding PCL to the Alg-PEO solution to find an optimized emulsion solution. The morphology, swelling, and porosity of the construct were evaluated. At the same time, the mechanical characteristic of fibers was evaluated in both dry and wet conditions. This study also examined cell-scaffold interactions to address the need for a scaffolding material to be suitable for tissue engineering and biomedical applications. Finally, the result exhibited a distinct core-shell structure with better mechanical properties compared to the Alg-PEO.
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Affiliation(s)
- Nazanin Negahdari
- Department of Biomedical Engineering, Islamic Azad University, Central Tehran Branch, Tehran, Iran; Soft Tissue Engineering Research Center, Tissue Engineering and Regenerative Medicine Institute, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Sanaz Alizadeh
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Jila Majidi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahdi Saeed
- Department of Biomedical Engineering, Islamic Azad University, Central Tehran Branch, Tehran, Iran; Soft Tissue Engineering Research Center, Tissue Engineering and Regenerative Medicine Institute, Central Tehran Branch, Islamic Azad University, Tehran, Iran.
| | - Tayyeb Ghadimi
- Department of Plastic and Reconstructive Surgery, Hazrat Fatemeh Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Burn Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Kobra Tahermanesh
- Department of Obstetrics and Gynecology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Mohamad Pezeshki-Modaress
- Department of Plastic and Reconstructive Surgery, Hazrat Fatemeh Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Burn Research Center, Iran University of Medical Sciences, Tehran, Iran; Stem Cell and Regenerative Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran.
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9
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Wang C, Zhang X, Fan Y, Yu S, Liu M, Feng L, Sun Q, Pan P. Principles and Design of Bionic Hydrogel Adhesives for Skin Wound Treatment. Polymers (Basel) 2024; 16:1937. [PMID: 39000792 PMCID: PMC11244016 DOI: 10.3390/polym16131937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 06/26/2024] [Accepted: 07/03/2024] [Indexed: 07/17/2024] Open
Abstract
Over millions of years of evolution, nature has developed a myriad of unique features that have inspired the design of adhesives for wound healing. Bionic hydrogel adhesives, capable of adapting to the dynamic movements of tissues, possess superior biocompatibility and effectively promote the healing of both external and internal wounds. This paper provides a systematic review of the design and principles of these adhesives, focusing on the treatment of skin wounds, and explores the feasibility of incorporating nature-inspired properties into their design. The adhesion mechanisms of bionic adhesives are analyzed from both chemical and physical perspectives. Materials from natural and synthetic polymers commonly used as adhesives are detailed regarding their biocompatibility and degradability. The multifunctional design elements of hydrogel adhesives for skin trauma treatment, such as self-healing, drug release, responsive design, and optimization of mechanical and physical properties, are further explored. The aim is to overcome the limitations of conventional treatments and offer a safer, more effective solution for the application of bionic wound dressings.
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Affiliation(s)
- Chunxiao Wang
- Marine College, Shandong University, Weihai 264209, China
| | - Xinyu Zhang
- Marine College, Shandong University, Weihai 264209, China
| | - Yinuo Fan
- Marine College, Shandong University, Weihai 264209, China
| | - Shuhan Yu
- Marine College, Shandong University, Weihai 264209, China
| | - Man Liu
- Marine College, Shandong University, Weihai 264209, China
| | - Linhan Feng
- Marine College, Shandong University, Weihai 264209, China
| | - Qisen Sun
- Marine College, Shandong University, Weihai 264209, China
| | - Panpan Pan
- Marine College, Shandong University, Weihai 264209, China
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai 200025, China
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10
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Jia L, Li Y, Ren A, Xiang T, Zhou S. Degradable and Recyclable Hydrogels for Sustainable Bioelectronics. ACS APPLIED MATERIALS & INTERFACES 2024; 16:32887-32905. [PMID: 38904545 DOI: 10.1021/acsami.4c05663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Hydrogel bioelectronics has been widely used in wearable sensors, electronic skin, human-machine interfaces, and implantable tissue-electrode interfaces, providing great convenience for human health, safety, and education. The generation of electronic waste from bioelectronic devices jeopardizes human health and the natural environment. The development of degradable and recyclable hydrogels is recognized as a paradigm for realizing the next generation of environmentally friendly and sustainable bioelectronics. This review first summarizes the wide range of applications for bioelectronics, including wearable and implantable devices. Then, the employment of natural and synthetic polymers in hydrogel bioelectronics is discussed in terms of degradability and recyclability. Finally, this work provides constructive thoughts and perspectives on the current challenges toward hydrogel bioelectronics, providing valuable insights and guidance for the future evolution of sustainable hydrogel bioelectronics.
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Affiliation(s)
- Lianghao Jia
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, China
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Yuanhong Li
- Department of Orthodontics, Shanghai Stomatological Hospital, Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Fudan University, Shanghai 200001, China
| | - Aobo Ren
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, China
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Tao Xiang
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, China
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Shaobing Zhou
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu 610031, China
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
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11
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de Oliveira TS, Costa AMM, Cabral LMC, Freitas-Silva O, Tonon RV. Physical and biological properties of alginate-based cinnamon essential oil nanoemulsions: Study of two different production strategies. Int J Biol Macromol 2024; 275:133627. [PMID: 38964684 DOI: 10.1016/j.ijbiomac.2024.133627] [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: 04/20/2024] [Revised: 06/29/2024] [Accepted: 07/01/2024] [Indexed: 07/06/2024]
Abstract
Nanoemulsions are a promising alternative for essential oil incorporation into active coatings. The influence of the preparation steps order on nanoemulsions' physical properties is still little explored. This study aimed to analyze the effect of the sequence of preparation steps and of the oil and polymer concentration on the stability, physical properties, and antifungal activity of alginate-based cinnamon essential oil nanoemulsions. The nanoemulsions were produced by two strategies: (I) preparation directly into an alginate solution (Ultra-Turrax at 10,000 rpm for 5 min + Ultrasound 150 W for 3 min); and (II) preparation in water (Ultra-Turrax at 10,000 rpm for 5 min + Ultrasound 150 W for 3 min) followed by homogenization with a sodium alginate solution (Ultra-Turrax at 10,000 rpm for 1, 3 or 5 min). The nanoemulsion prepared by the second strategy showed better stability, physical properties, and antifungal activity. In general, the presence of alginate hindered the cavitation effects of ultrasound, leading to the increase of droplets size and consequently affecting emulsions stability, turbidity, and antifungal properties.
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Affiliation(s)
- Tamires Sousa de Oliveira
- Graduate Program in Food Science, Institute of Chemistry, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, Brazil.
| | - André Mesquita Magalhães Costa
- Graduate Program in Food Science, Institute of Chemistry, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, Brazil
| | - Lourdes Maria Corrêa Cabral
- Graduate Program in Food Science, Institute of Chemistry, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, Brazil; Embrapa Agroindústria de Alimentos, Rio de Janeiro, Brazil
| | | | - Renata Valeriano Tonon
- Graduate Program in Food Science, Institute of Chemistry, Federal University of Rio de Janeiro - UFRJ, Rio de Janeiro, Brazil; Embrapa Agroindústria de Alimentos, Rio de Janeiro, Brazil
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12
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Croitoru GA, Pîrvulescu DC, Niculescu AG, Rădulescu M, Grumezescu AM, Nicolae CL. Advancements in Aerogel Technology for Antimicrobial Therapy: A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1110. [PMID: 38998715 PMCID: PMC11243751 DOI: 10.3390/nano14131110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 06/25/2024] [Accepted: 06/26/2024] [Indexed: 07/14/2024]
Abstract
This paper explores the latest advancements in aerogel technology for antimicrobial therapy, revealing their interesting capacity that could improve the current medical approaches for antimicrobial treatments. Aerogels are attractive matrices because they can have an antimicrobial effect on their own, but they can also provide efficient delivery of antimicrobial compounds. Their interesting properties, such as high porosity, ultra-lightweight, and large surface area, make them suitable for such applications. The fundamentals of aerogels and mechanisms of action are discussed. The paper also highlights aerogels' importance in addressing current pressing challenges related to infection management, like the limited drug delivery alternatives and growing resistance to antimicrobial agents. It also covers the potential applications of aerogels in antimicrobial therapy and their possible limitations.
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Affiliation(s)
- George-Alexandru Croitoru
- Faculty of Dental Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (G.-A.C.); (C.-L.N.)
| | - Diana-Cristina Pîrvulescu
- Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 011061 Bucharest, Romania; (D.-C.P.); (A.-G.N.); (A.M.G.)
| | - Adelina-Gabriela Niculescu
- Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 011061 Bucharest, Romania; (D.-C.P.); (A.-G.N.); (A.M.G.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050657 Bucharest, Romania
| | - Marius Rădulescu
- Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 011061 Bucharest, Romania; (D.-C.P.); (A.-G.N.); (A.M.G.)
| | - Alexandru Mihai Grumezescu
- Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 011061 Bucharest, Romania; (D.-C.P.); (A.-G.N.); (A.M.G.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050657 Bucharest, Romania
| | - Carmen-Larisa Nicolae
- Faculty of Dental Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (G.-A.C.); (C.-L.N.)
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13
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Adwani G, Bharti S, Kumar A. Engineered nanoparticles in non-invasive insulin delivery for precision therapeutics of diabetes. Int J Biol Macromol 2024; 275:133437. [PMID: 38944087 DOI: 10.1016/j.ijbiomac.2024.133437] [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: 04/24/2024] [Revised: 06/10/2024] [Accepted: 06/24/2024] [Indexed: 07/01/2024]
Abstract
Diabetes mellitus is a chronic disease leading to the death of millions a year across the world. Insulin is required for Type 1, Type 2, and gestational diabetic patients, however, there are various modes of insulin delivery out of which oral delivery is noninvasive and convenient. Moreover, factors like insulin degradation and poor intestinal absorption play a crucial role in its bioavailability and effectiveness. This review discusses various types of engineered nanoparticles used in-vitro, in-vivo, and ex-vivo insulin delivery along with their administration routes and physicochemical properties. Injectable insulin formulations, currently in use have certain limitations, leading to invasiveness, low patient compliance, causing inflammation, and side effects. Based on these drawbacks, this review emphasizes more on the non-invasive route, particularly oral delivery. The article is important because it focuses on how engineered nanoparticles can overcome the limitations of free therapeutics (drugs alone), navigate the barriers, and accomplish precision therapeutics in diabetes. In future, more drugs could be delivered with a similar strategy to cure various diseases and resolve challenges in drug delivery. This review significantly describes the role of various engineered nanoparticles in improving the bioavailability of insulin by protecting it from various barriers during non-invasive routes of delivery.
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Affiliation(s)
- Gunjan Adwani
- Department of Biotechnology, National Institute of Technology, Raipur 492010, CG, India
| | - Sharda Bharti
- Department of Biotechnology, National Institute of Technology, Raipur 492010, CG, India.
| | - Awanish Kumar
- Department of Biotechnology, National Institute of Technology, Raipur 492010, CG, India.
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14
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Rahamim VS, Patel D, Drori E, Coopersmith S, Azagury A. In vitro Models for Predicting Bioadhesion Fracture Strength to Ex Vivo Animal Buccal Tissue. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2310363. [PMID: 38895967 DOI: 10.1002/smll.202310363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 05/03/2024] [Indexed: 06/21/2024]
Abstract
Commitment to the 3Rs principle (Replacement, Reduction, and Refinement) led to the development of a cell-based system to measure buccal bioadhesion in vitro and replace the use of porcine buccal and esophageal tissues (PBT and PET, respectively). Additionally, the aim is to bridge the gap in knowledge regarding the bioadhesion properties of PBT and PET. The in vitro models are based on the human buccal epithelial cell line-TR146 without ("Model I") or with ("Model II") 5% (w/v) mucous layer. The in vitro setup also provides a method to evaluate the bioadhesion between two soft materials. Standard bioadhesive hydrogels (alginate, chitosan, and gelatin) are used to test and compare the results from the in vitro models to the ex vivo tissues. The ex vivo and in vitro models show increased bioadhesion as the applied force and contact time increases. Furthermore, Model I exhibits bioadhesion values-of alginate, chitosan, and gelatin-comparable to those obtained with PBT. It is also found that contact time and applied force similarly affect PBT and PET bioadhesion, while PET exhibits greater values. In conclusion, Model I can replace PBT for measuring bioadhesion and be incorporated into the experimental design of bioadhesive DDS, thus minimizing animal tissue usage.
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Affiliation(s)
- Valeria Solomianski Rahamim
- Department of Chemical and Biotechnology Engineering, Ariel University, Kyriat-ha-Mada 3, Ariel, 4070000, Israel
| | - Dhaval Patel
- Department of Chemical and Biotechnology Engineering, Ariel University, Kyriat-ha-Mada 3, Ariel, 4070000, Israel
| | - Eliyahu Drori
- Department of Chemical and Biotechnology Engineering, Ariel University, Kyriat-ha-Mada 3, Ariel, 4070000, Israel
| | - Sarah Coopersmith
- Department of Chemical and Biotechnology Engineering, Ariel University, Kyriat-ha-Mada 3, Ariel, 4070000, Israel
| | - Aharon Azagury
- Department of Chemical and Biotechnology Engineering, Ariel University, Kyriat-ha-Mada 3, Ariel, 4070000, Israel
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15
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Cui M, Liu S, Xie X, Yang J, Wang T, Jiao Y, Lin M, Sui K. Self-Assembly Reinforced Alginate Fibers for Enhanced Strength, Toughness, and Bone Regeneration. Biomacromolecules 2024; 25:3475-3485. [PMID: 38741285 DOI: 10.1021/acs.biomac.4c00091] [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: 05/16/2024]
Abstract
Material reinforcement commonly exists in a contradiction between strength and toughness enhancement. Herein, a reinforced strategy through self-assembly is proposed for alginate fibers. Sodium alginate (SA) microstructures with regulated secondary structures are assembled in acidic and ethanol as reinforcing units for alginate fibers. Acidity increases the flexibility of the helix and contributes to enhanced extendibility. Ethanol is responsible for formation of a stiff β-sheet, which enhances the modulus and strength. The structurally engineered SA assembly exhibits robust mechanical compatibility, and thus reinforced alginate fibers possess an improved tensile strength of 2.1 times, a prolonged elongation of 1.5 times, and an enhanced toughness of 3.0 times compared with SA fibers without reinforcement. The reinforcement through self-assembly provides an understanding of strengthening and toughening mechanism based on secondary structures. Due to a similar modulus with bones, reinforced alginate fibers exhibit good efficacy in accelerating bone regeneration in vivo.
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Affiliation(s)
- Min Cui
- State Key Laboratory of Bio-Fibers and Eco-textiles, College of Materials Science and Engineering, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, P. R. China
| | - Shuwei Liu
- Joint Laboratory of Opto-Functional Theranostics in Medicine and Chemistry, The First Hospital of Jilin University, Changchun 130012, P. R. China
| | - Xuelai Xie
- State Key Laboratory of Bio-Fibers and Eco-textiles, College of Materials Science and Engineering, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, P. R. China
| | - Jinhong Yang
- State Key Laboratory of Bio-Fibers and Eco-textiles, College of Materials Science and Engineering, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, P. R. China
| | - Tianyuan Wang
- State Key Laboratory of Bio-Fibers and Eco-textiles, College of Materials Science and Engineering, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, P. R. China
| | - Yuyang Jiao
- State Key Laboratory of Bio-Fibers and Eco-textiles, College of Materials Science and Engineering, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, P. R. China
| | - Min Lin
- State Key Laboratory of Bio-Fibers and Eco-textiles, College of Materials Science and Engineering, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, P. R. China
| | - Kunyan Sui
- State Key Laboratory of Bio-Fibers and Eco-textiles, College of Materials Science and Engineering, Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles, Qingdao University, Qingdao 266071, P. R. China
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16
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Akpo E, Colin C, Perrin A, Cambedouzou J, Cornu D. Encapsulation of Active Substances in Natural Polymer Coatings. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2774. [PMID: 38894037 PMCID: PMC11173946 DOI: 10.3390/ma17112774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/30/2024] [Accepted: 06/04/2024] [Indexed: 06/21/2024]
Abstract
Already used in the food, pharmaceutical, cosmetic, and agrochemical industries, encapsulation is a strategy used to protect active ingredients from external degradation factors and to control their release kinetics. Various encapsulation techniques have been studied, both to optimise the level of protection with respect to the nature of the aggressor and to favour a release mechanism between diffusion of the active compounds and degradation of the barrier material. Biopolymers are of particular interest as wall materials because of their biocompatibility, biodegradability, and non-toxicity. By forming a stable hydrogel around the drug, they provide a 'smart' barrier whose behaviour can change in response to environmental conditions. After a comprehensive description of the concept of encapsulation and the main technologies used to achieve encapsulation, including micro- and nano-gels, the mechanisms of controlled release of active compounds are presented. A panorama of natural polymers as wall materials is then presented, highlighting the main results associated with each polymer and attempting to identify the most cost-effective and suitable methods in terms of the encapsulated drug.
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Affiliation(s)
| | | | | | - Julien Cambedouzou
- IEM, Université de Montpellier, CNRS, ENSCM, F-34095 Montpellier, France
| | - David Cornu
- IEM, Université de Montpellier, CNRS, ENSCM, F-34095 Montpellier, France
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17
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Yadegari A, Akbarzadeh M, Kargaran F, Mirzaee R, Salahshoori I, Nobre MAL, Khonakdar HA. Recent advancements in bio-based dielectric and piezoelectric polymers and their biomedical applications. J Mater Chem B 2024; 12:5272-5298. [PMID: 38739040 DOI: 10.1039/d4tb00231h] [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: 05/14/2024]
Abstract
The advent of polymer-based dielectrics marked a significant breakthrough in dielectric materials. However, despite their many advantages, they pose serious environmental threats. Therefore, in recent years, there has been growing interest in bio-based polymers as a sustainable alternative to traditional petroleum-based polymers. Their renewable nature and reduced environmental impact can fulfil the rising demand for eco-friendly substitutes. Beyond their ecological benefits, bio-based polymers also possess distinctive electrical properties that make them extremely attractive in a variety of applications. Considering these, herein, we present recent advancements in bio-based dielectric polymers and nanocomposites. First, the fundamental concepts of dielectric and polymer-based dielectric materials are covered. Then, we will delve into the discussion of recent advancements in the dielectric properties and thermal stability of bio-based polymers, including polylactic acid, polyhydroxyalkanoates, polybutylene succinate, starch, cellulose, chitosan, chitins, and alginates, and their nanocomposites. Other novel bio-based dielectric polymers and their distinct dielectric characteristics have also been pointed out. In an additional section, the piezoelectric properties of these polymers and their recent biomedical applications have been highlighted and discussed thoroughly. In conclusion, this paper thoroughly discusses the recent advances in bio-based dielectric polymers and their potential to revolutionize the biomedical industry while cultivating a more sustainable and greener future.
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Affiliation(s)
- Ali Yadegari
- Faculty of Petroleum, Gas and Petrochemical Engineering, Persian Gulf University, Bushehr, 75169, Iran
| | - Mahsa Akbarzadeh
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, P.O. BOX: 14975/112, Tehran, Iran.
| | - Farshad Kargaran
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, P.O. BOX: 14975/112, Tehran, Iran.
| | - Ramin Mirzaee
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, P.O. BOX: 14975/112, Tehran, Iran.
| | - Iman Salahshoori
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, P.O. BOX: 14975/112, Tehran, Iran.
| | - Marcos A L Nobre
- São Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente, SP, 19060-900, Brazil
| | - Hossein Ali Khonakdar
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, P.O. BOX: 14975/112, Tehran, Iran.
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18
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Silva LDS, Vila Nova BG, Sousa CEMD, Silva RG, Carvalho LRDS, Silva ISS, Moreira PHDA, Cardenas AFM, Monteiro CDA, Tofanello A, Garcia W, Teixeira CS, Nascimento da Silva LC. Fabrication and characterization of physically crosslinked alginate/chitosan-based hydrogel loaded with neomycin for the treatment of skin infections caused by Staphylococcus aureus. Int J Biol Macromol 2024; 271:132577. [PMID: 38795887 DOI: 10.1016/j.ijbiomac.2024.132577] [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: 12/14/2023] [Revised: 05/04/2024] [Accepted: 05/20/2024] [Indexed: 05/28/2024]
Abstract
Staphylococcus aureus is a pathogen widely involved in wound infection due to its ability to release several virulence factors that impair the skin healing process, as well as its mechanism of drug resistance. Herein, sodium alginate and chitosan were combined to produce a hydrogel for topical delivery of neomycin to combat S. aureus associated with skin complications. The hydrogel was formulated by combining sodium alginate (50 mg/mL) and chitosan (50 mg/mL) solutions in a ratio of 9:1 (HBase). Neomycin was added to HBase to achieve a concentration of 0.4 mg/mL (HNeo). The incorporation of neomycin into the product was confirmed by scanning electron microscopy, FTIR and TGA analysis. The hydrogels produced are homogeneous, have a high swelling capacity, and show biocompatibility using erythrocytes and fibroblasts as models. The formulations showed physicochemical and pharmacological stability for 60 days at 4 ± 2 °C. HNeo totally inhibited the growth of S. aureus after 4 h. The antimicrobial effects were confirmed using ex vivo (porcine skin) and in vivo (murine) wound infection models. Furthermore, the HNeo-treated mice showed lower severity scores than those treated with HBase. Taken together, the obtained results present a new low-cost bioproduct with promising applications in treating infected wounds.
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Affiliation(s)
- Lucas Dos Santos Silva
- Laboratório de Patogenicidade Microbiana, Universidade CEUMA, São Luís 65075-120, MA, Brazil
| | - Beatriz Gomes Vila Nova
- Laboratório de Patogenicidade Microbiana, Universidade CEUMA, São Luís 65075-120, MA, Brazil
| | | | - Raphael Guedes Silva
- Laboratório de Patogenicidade Microbiana, Universidade CEUMA, São Luís 65075-120, MA, Brazil
| | | | | | | | | | - Cristina de Andrade Monteiro
- Laboratório de Pesquisa e Estudo em Microbiologia, Instituto Federal de Educação, Ciência e Tecnologia do Maranhão (IFMA), São Luís 65030-005, Brazil
| | - Aryane Tofanello
- Center for Advanced Graphene, Nanomaterials and Nanotechnology Research (MackGraphe), Universidade Presbiteriana Mackenzie, SP, Brazil; Centro de Ciências Naturais e Humanas (CCNH), Universidade Federal do ABC, SP, Brazil
| | - Wanius Garcia
- Centro de Ciências Naturais e Humanas (CCNH), Universidade Federal do ABC, SP, Brazil
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19
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Hamza A, Ho KC, Chan MK. Recent development of substrates for immobilization of bimetallic nanoparticles for wastewater treatment: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:40873-40902. [PMID: 38839740 DOI: 10.1007/s11356-024-33798-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 05/20/2024] [Indexed: 06/07/2024]
Abstract
Bimetallic nanoparticles (BMNPs) have gained considerable attention due to their remarkable catalytic properties, making them invaluable in wastewater treatment applications. One of these challenges lies in the propensity of BMNPs to aggregate due to Van der Waals interactions, which can reduce their overall performance. Additionally, retrieving exhausted NPs from the treated solution for subsequent reuse remains a significant hurdle. Moreover, the leaching of NPs into the discharged wastewater can have harmful effects on humans as well as aquatic life. To overcome these issues, various substrates have been researched to maximize the efficiency and stability of the NPs. This review paper delves into the pivotal role of various substrates in immobilizing BMNPs, providing a comprehensive analysis of their performances, advantages, and drawbacks. The substrates encompass a diverse range of materials, including organic, inorganic, organic-inorganic, beads, fibers, and membranes. Each substrate type offers unique attributes, influencing the stability, efficiency, and recyclability of BMNPs. This review paper aims to provide an up-to-date and detailed analysis and comparison of the substrates used for the immobilization of BMNPs. This work further reviews the underlying mechanisms of the composites involved in treating pollutants from wastewater and how these mechanisms are enhanced by the synergistic effects produced by the substrate and BMNPs. Furthermore, the reusability and sustainability of these composites are discussed. Also, high-performing substrates are highlighted to give direction to future research focusing on the immobilization of BMNPs in the application of wastewater treatment.
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Affiliation(s)
- Ali Hamza
- Centre for Water Research, Faculty of Engineering and the Built Environment, SEGi University, Jalan Teknologi, Kota Damansara, 47810, Petaling Jaya, Selangor, Malaysia
| | - Kah Chun Ho
- School of Engineering, Faculty of Innovation and Technology, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia.
- Clean Technology Impact Lab, Taylor's University, 47500, Subang Jaya, Selangor, Malaysia.
| | - Mieow Kee Chan
- Centre for Water Research, Faculty of Engineering and the Built Environment, SEGi University, Jalan Teknologi, Kota Damansara, 47810, Petaling Jaya, Selangor, Malaysia
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20
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Yuan M, Wang J, Geng L, Wu N, Yang Y, Zhang Q. A review: Structure, bioactivity and potential application of algal polysaccharides in skin aging care and therapy. Int J Biol Macromol 2024; 272:132846. [PMID: 38834111 DOI: 10.1016/j.ijbiomac.2024.132846] [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: 08/31/2023] [Revised: 05/06/2024] [Accepted: 05/31/2024] [Indexed: 06/06/2024]
Abstract
Skin is the first barrier of body which stands guard for defending aggressive pathogens and environmental pressures all the time. Cutaneous metabolism changes in harmful exposure, following with skin dysfunctions and diseases. Lots of researches have reported that polysaccharides extracted from seaweeds exhibited multidimensional bioactivities in dealing with skin disorder. However, few literature systematically reviews them. The aim of the present paper is to summarize structure, bioactivities and structure-function relationship of algal polysaccharides acting on skin. Algal polysaccharides show antioxidant, immunomodulating, hydration regulating, anti-melanogenesis and extracellular matrix (ECM) regulating abilities via multipath ways in skin. These bioactivities are determined by various parameters, including seaweed species, molecular weight, monosaccharides composition and substitute groups. In addition, potential usages of algae-derived polysaccharides in skin care and therapy are also elaborated. Algal polysaccharides are potential ingredients in formulation that providing anti-aging efficacy for skin.
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Affiliation(s)
- Mengyao Yuan
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Jing Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, 168 Wenhai Road, Qingdao 266237, China.
| | - Lihua Geng
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, 168 Wenhai Road, Qingdao 266237, China
| | - Ning Wu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, 168 Wenhai Road, Qingdao 266237, China
| | - Yue Yang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, 168 Wenhai Road, Qingdao 266237, China
| | - Quanbin Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, 168 Wenhai Road, Qingdao 266237, China
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Tamo AK, Djouonkep LDW, Selabi NBS. 3D Printing of Polysaccharide-Based Hydrogel Scaffolds for Tissue Engineering Applications: A Review. Int J Biol Macromol 2024; 270:132123. [PMID: 38761909 DOI: 10.1016/j.ijbiomac.2024.132123] [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: 12/05/2023] [Revised: 05/02/2024] [Accepted: 05/04/2024] [Indexed: 05/20/2024]
Abstract
In tissue engineering, 3D printing represents a versatile technology employing inks to construct three-dimensional living structures, mimicking natural biological systems. This technology efficiently translates digital blueprints into highly reproducible 3D objects. Recent advances have expanded 3D printing applications, allowing for the fabrication of diverse anatomical components, including engineered functional tissues and organs. The development of printable inks, which incorporate macromolecules, enzymes, cells, and growth factors, is advancing with the aim of restoring damaged tissues and organs. Polysaccharides, recognized for their intrinsic resemblance to components of the extracellular matrix have garnered significant attention in the field of tissue engineering. This review explores diverse 3D printing techniques, outlining distinctive features that should characterize scaffolds used as ideal matrices in tissue engineering. A detailed investigation into the properties and roles of polysaccharides in tissue engineering is highlighted. The review also culminates in a profound exploration of 3D polysaccharide-based hydrogel applications, focusing on recent breakthroughs in regenerating different tissues such as skin, bone, cartilage, heart, nerve, vasculature, and skeletal muscle. It further addresses challenges and prospective directions in 3D printing hydrogels based on polysaccharides, paving the way for innovative research to fabricate functional tissues, enhancing patient care, and improving quality of life.
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Affiliation(s)
- Arnaud Kamdem Tamo
- Institute of Microsystems Engineering IMTEK, University of Freiburg, 79110 Freiburg, Germany; Freiburg Center for Interactive Materials and Bioinspired Technologies FIT, University of Freiburg, 79110 Freiburg, Germany; Freiburg Materials Research Center FMF, University of Freiburg, 79104 Freiburg, Germany; Ingénierie des Matériaux Polymères (IMP), Université Claude Bernard Lyon 1, INSA de Lyon, Université Jean Monnet, CNRS, UMR 5223, 69622 Villeurbanne CEDEX, France.
| | - Lesly Dasilva Wandji Djouonkep
- College of Petroleum Engineering, Yangtze University, Wuhan 430100, China; Key Laboratory of Drilling and Production Engineering for Oil and Gas, Wuhan 430100, China
| | - Naomie Beolle Songwe Selabi
- Institute of Advanced Materials and Nanotechnology, Wuhan University of Science and Technology, Wuhan 430081, China
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22
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Wathoni N, Herdiana Y, Suhandi C, Mohammed AFA, El-Rayyes A, Narsa AC. Chitosan/Alginate-Based Nanoparticles for Antibacterial Agents Delivery. Int J Nanomedicine 2024; 19:5021-5044. [PMID: 38832335 PMCID: PMC11146614 DOI: 10.2147/ijn.s469572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 05/22/2024] [Indexed: 06/05/2024] Open
Abstract
Nanoparticle systems integrating alginate and chitosan emerge as a promising avenue to tackle challenges in leveraging the potency of pharmacological active agents. Owing to their intrinsic properties as polysaccharides, alginate and chitosan, exhibit remarkable biocompatibility, rendering them conducive to bodily integration. By downsizing drug particles to the nano-scale, the system enhances drug solubility in aqueous environments by augmenting surface area. Additionally, the system orchestrates extended drug release kinetics, aligning well with the exigencies of chronic drug release requisite for antibacterial therapeutics. A thorough scrutiny of existing literature underscores a wealth of evidence supporting the utilization of the alginate-chitosan nanoparticle system for antibacterial agent delivery. Literature reviews present abundant evidence of the utilization of nanoparticle systems based on a combination of alginate and chitosan for antibacterial agent delivery. Various experiments demonstrate enhanced antibacterial efficacy, including an increase in the inhibitory zone diameter, improvement in the minimum inhibitory concentration, and an enhancement in the bacterial reduction rate. This enhancement in efficacy occurs due to mechanisms involving increased solubility resulting from particle size reduction, prolonged release effects, and enhanced selectivity towards bacterial cell walls, stemming from ionic interactions between positively charged particles and teichoic acid on bacterial cell walls. However, clinical studies remain limited, and there are currently no marketed antibacterial drugs utilizing this system. Hence, expediting clinical efficacy validation is crucial to maximize its benefits promptly.
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Affiliation(s)
- Nasrul Wathoni
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Jatinangor, 45363, Indonesia
| | - Yedi Herdiana
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Jatinangor, 45363, Indonesia
| | - Cecep Suhandi
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjaran, Jatinangor, 45363, Indonesia
| | | | - Ali El-Rayyes
- Department of Chemistry, College of Science, Northern Border University, Arar, Saudi Arabia
| | - Angga Cipta Narsa
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Mulawarman University, Samarinda, 71157, Indonesia
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Pillai ARS, Eapen AS, Zhang W, Roy S. Polysaccharide-Based Edible Biopolymer-Based Coatings for Fruit Preservation: A Review. Foods 2024; 13:1529. [PMID: 38790829 PMCID: PMC11121366 DOI: 10.3390/foods13101529] [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: 04/17/2024] [Revised: 05/04/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Over the last decades, a significant rise in fruit consumption has been noticed as they contain numerous nutritional components, which has led to the rise in fruit production globally. However, fruits are highly liable to spoilage in nature and remain vulnerable to losses during the storage and preservation stages. Therefore, it is crucial to enhance the storage life and safeness of fruits for the consumers. To keep up the grade and prolong storage duration, various techniques are employed in the food sector. Among these, biopolymer coatings have gained widespread acceptance due to their improved characteristics and ideal substitution for synthetic polymer coatings. As there is concern regarding the safety of the consumers and sustainability, edible coatings have become a selective substitution for nurturing fruit quality and preventing decay. The application of polysaccharide-based edible coatings offers a versatile solution to prevent the passage of moisture, gases, and pathogens, which are considered major threats to fruit deterioration. Different polysaccharide substances such as chitin, pectin, carrageenan, cellulose, starch, etc., are extensively used for preparing edible coatings for a wide array of fruits. The implementation of coatings provides better preservation of the fruits such as mango, strawberry, pineapple, apple, etc. Furthermore, the inclusion of functional ingredients, including polyphenols, natural antioxidants, antimicrobials, and bio-nanomaterials, into the edible coating solution matrix adds to the nutritional, functional, and sensory attributes of the fruits. The blending of essential oil and active agents in polysaccharide-based coatings prevents the growth of food-borne pathogens and enhances the storage life of the pineapple, also improving the preservation of strawberries and mangoes. This paper aims to provide collective data regarding the utilization of polysaccharide-based edible coatings concerning their characteristics and advancements for fruit preservation.
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Affiliation(s)
- Athira R. S. Pillai
- Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara 144411, Punjab, India; (A.R.S.P.); (A.S.E.)
| | - Ansu Sara Eapen
- Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara 144411, Punjab, India; (A.R.S.P.); (A.S.E.)
| | - Wanli Zhang
- School of Food Science and Engineering, Hainan University, Haikou 570228, China
| | - Swarup Roy
- Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara 144411, Punjab, India; (A.R.S.P.); (A.S.E.)
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24
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Sharma S, Kishen A. Bioarchitectural Design of Bioactive Biopolymers: Structure-Function Paradigm for Diabetic Wound Healing. Biomimetics (Basel) 2024; 9:275. [PMID: 38786486 PMCID: PMC11117869 DOI: 10.3390/biomimetics9050275] [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: 04/04/2024] [Revised: 04/26/2024] [Accepted: 05/01/2024] [Indexed: 05/25/2024] Open
Abstract
Chronic wounds such as diabetic ulcers are a major complication in diabetes caused by hyperglycemia, prolonged inflammation, high oxidative stress, and bacterial bioburden. Bioactive biopolymers have been found to have a biological response in wound tissue microenvironments and are used for developing advanced tissue engineering strategies to enhance wound healing. These biopolymers possess innate bioactivity and are biodegradable, with favourable mechanical properties. However, their bioactivity is highly dependent on their structural properties, which need to be carefully considered while developing wound healing strategies. Biopolymers such as alginate, chitosan, hyaluronic acid, and collagen have previously been used in wound healing solutions but the modulation of structural/physico-chemical properties for differential bioactivity have not been the prime focus. Factors such as molecular weight, degree of polymerization, amino acid sequences, and hierarchical structures can have a spectrum of immunomodulatory, anti-bacterial, and anti-oxidant properties that could determine the fate of the wound. The current narrative review addresses the structure-function relationship in bioactive biopolymers for promoting healing in chronic wounds with emphasis on diabetic ulcers. This review highlights the need for characterization of the biopolymers under research while designing biomaterials to maximize the inherent bioactive potency for better tissue regeneration outcomes, especially in the context of diabetic ulcers.
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Affiliation(s)
- Shivam Sharma
- The Kishen Lab, Dental Research Institute, University of Toronto, Toronto, ON M5G 1G6, Canada;
- Faculty of Dentistry, University of Toronto, 124 Edward Street, Toronto, ON M5G 1G6, Canada
| | - Anil Kishen
- The Kishen Lab, Dental Research Institute, University of Toronto, Toronto, ON M5G 1G6, Canada;
- Faculty of Dentistry, University of Toronto, 124 Edward Street, Toronto, ON M5G 1G6, Canada
- Department of Dentistry, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada
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25
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Bajpai D, G K. Development and Evaluation of Alginate- and Carrageenan-Incorporated Scaffold for Bone Regeneration: An In Vitro Study. Cureus 2024; 16:e61139. [PMID: 38933614 PMCID: PMC11200317 DOI: 10.7759/cureus.61139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Accepted: 05/24/2024] [Indexed: 06/28/2024] Open
Abstract
INTRODUCTION Periodontitis, a persistent inflammatory condition, results in the deterioration of both the hard and soft tissues in the periodontium, leading to the formation of intrabony defects. Restoring the lost tissues, particularly bone, is possible through tissue engineering techniques utilizing scaffolds made from different polymers. Consequently, this research focuses on creating and assessing a scaffold infused with alginate (Sigma Aldrich, Gillingham, UK) and carrageenan (Sigma Aldrich, Gillingham, UK) for the purpose of bone regeneration. METHODS An in vitro investigation was conducted to assess the characteristics of the recently formulated scaffold. Spectroscopic analysis, tensile strength testing, scanning electron microscopy (SEM) analysis, and degradation testing were carried out to evaluate both the physical and biological attributes of the scaffold. RESULTS IBM SPSS Statistics for Windows, V. 1.2 (IBM Corp., Armonk, NY, USA) was used for statistical analysis. A one-way ANOVA test was done to determine the significance of tensile strength, and a paired t-test was done to check the significance of the degradation test. The in vitro research unveiled notable distinctions in the physical and biological attributes between the scaffold infused with alginate and carrageenan and the PerioCol® (p<0.05). CONCLUSION The scaffold incorporating alginate and carrageenan demonstrated superior outcomes concerning parameters such as tensile stress and strain, degradation rate, percentage bone volume, and object surface density when contrasted with the conventional PerioCol®. Therefore, the scaffold infused with alginate and carrageenan emerges as a promising candidate for bone regeneration.
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Affiliation(s)
- Devika Bajpai
- Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Kaarthikeyan G
- Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
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26
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Zheng D, Wang K, Bai B. A critical review of sodium alginate-based composites in water treatment. Carbohydr Polym 2024; 331:121850. [PMID: 38388034 DOI: 10.1016/j.carbpol.2024.121850] [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: 11/14/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/24/2024]
Abstract
The global freshwater crisis is a pressing issue, especially in areas with little rainfall and inner continental regions. The growing attention to water scarcity has induced increased interest in research on advanced water treatment technologies. As an abundant bioactive material in nature, sodium alginate (SA) has been widely used in water management due to its outstanding water absorption and holding ability, reversible swelling property, and pollutant adsorption performance. Building on this, progress made in using various modified forms of SA to access clean water is addressed in this review. Covering studies concern the adsorption and separation of pollutants in wastewater by SA-based absorbents and freshwater harvesting by SA-based collectors. This review explores SA-based composites' composition-structure-construction designs and emphasizes the impact of materials like inorganic materials, functional polymers, and porous matrices and how they can be exploited for water treatment. It also highlights the mechanisms of contaminants adsorption and freshwater desorption of SA-based composites. Finally, the shortcomings and future orientation of SA-based composites are proposed, including performance optimization, structural modification, application expansion, and mechanism in-depth investigation. This review aims to offer a theoretical basis and technical guidance for the use of natural materials to respond to the shortage of freshwater resources.
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Affiliation(s)
- Dan Zheng
- School of Chemical and Blasting Engineering, Anhui University of Science and Technology, Huainan 232001, China
| | - Kai Wang
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Bo Bai
- School of Water and Environment, Chang'an University, Xi'an 710054, China.
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27
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Oh Y, Lee S, Lee NK, Rhee JK. Improving the Three-Dimensional Printability of Potato Starch Loaded onto Food Ink. J Microbiol Biotechnol 2024; 34:891-901. [PMID: 38379303 DOI: 10.4014/jmb.2311.11040] [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: 11/24/2023] [Revised: 01/17/2024] [Accepted: 01/24/2024] [Indexed: 02/22/2024]
Abstract
This study focuses on improving the 3D printability of pea protein with the help of food inks designed for jet-type 3D printers. Initially, the food ink base was formulated using nanocellulose-alginate with a gradient of native potato starch and its 3D printability was evaluated. The 3D-printed structures using only candidates for the food ink base formulated with or without potato starch exhibited dimensional accuracy exceeding 95% on both the X and Y axes. However, the accuracy of stacking on the Z-axis was significantly affected by the ink composition. Food ink with 1% potato starch closely matched the CAD design, with an accuracy of approximately 99% on the Z-axis. Potato starch enhanced the stacking of 3D-printed structures by improving the electrostatic repulsion, viscoelasticity, and thixotropic behavior of the food ink base. The 3D printability of pea protein was evaluated using the selected food ink base, showing a 46% improvement in dimensional accuracy on the Z-axis compared to the control group printed with a food ink base lacking potato starch. These findings suggest that starch can serve as an additive support for high-resolution 3D jet-type printing of food ink material.
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Affiliation(s)
- Yourim Oh
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Seungmin Lee
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Nam Keun Lee
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Jin-Kyu Rhee
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul 03760, Republic of Korea
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28
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Kowalonek J, Łukomska B, Łukomska O, Stachowiak-Trojanowska N. Alginate Films Enriched in Raspberry and/or Black Currant Seed Oils as Active Food Packaging. Molecules 2024; 29:2012. [PMID: 38731511 PMCID: PMC11085223 DOI: 10.3390/molecules29092012] [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: 03/15/2024] [Revised: 04/18/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
Alginate films plasticized with glycerol and enriched in raspberry and/or black currant seed oils were prepared via casting solution techniques. The intention was to create active films for food packaging where antioxidants in a film would deactivate oxidants in a packed product or its surroundings, improving conditions inside packaging and extending the shelf life of such a product. The prepared materials were characterized by physicochemical, spectroscopic, mechanical, water vapor transmission (WVTR), and antioxidant activity analysis. Infrared spectra of the alginate films with oils were similar to those without the additive; the band with a maximum at about 1740 cm-1 stood out. The prepared materials with oils were thicker, contained less water, were more yellow, and were less permeable to water vapor. Moreover, the presence of the oil in the films resulted in a slightly lower Young's modulus and lower stress at break values but higher strain at break. The antioxidant capacity of raspberry seed oil itself was about five times higher than that of black currant seed oil, and a similar trend was noticed for films modified with these oils. The results indicated that both oils could be used as active substances with antioxidant properties in food packaging.
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Affiliation(s)
- Jolanta Kowalonek
- Department of Biomedical and Polymer Chemistry, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina St. 7, 87-100 Torun, Poland; (B.Ł.); (O.Ł.); (N.S.-T.)
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29
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Xiang JY, Kang L, Li ZM, Tseng SL, Wang LQ, Li TH, Li ZJ, Huang JZ, Yu NZ, Long X. Biological scaffold as potential platforms for stem cells: Current development and applications in wound healing. World J Stem Cells 2024; 16:334-352. [PMID: 38690516 PMCID: PMC11056631 DOI: 10.4252/wjsc.v16.i4.334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/20/2024] [Accepted: 03/12/2024] [Indexed: 04/25/2024] Open
Abstract
Wound repair is a complex challenge for both clinical practitioners and researchers. Conventional approaches for wound repair have several limitations. Stem cell-based therapy has emerged as a novel strategy to address this issue, exhibiting significant potential for enhancing wound healing rates, improving wound quality, and promoting skin regeneration. However, the use of stem cells in skin regeneration presents several challenges. Recently, stem cells and biomaterials have been identified as crucial components of the wound-healing process. Combination therapy involving the development of biocompatible scaffolds, accompanying cells, multiple biological factors, and structures resembling the natural extracellular matrix (ECM) has gained considerable attention. Biological scaffolds encompass a range of biomaterials that serve as platforms for seeding stem cells, providing them with an environment conducive to growth, similar to that of the ECM. These scaffolds facilitate the delivery and application of stem cells for tissue regeneration and wound healing. This article provides a comprehensive review of the current developments and applications of biological scaffolds for stem cells in wound healing, emphasizing their capacity to facilitate stem cell adhesion, proliferation, differentiation, and paracrine functions. Additionally, we identify the pivotal characteristics of the scaffolds that contribute to enhanced cellular activity.
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Affiliation(s)
- Jie-Yu Xiang
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Lin Kang
- Biomedical Engineering Facility, Institute of Clinical Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100021, China
| | - Zi-Ming Li
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Song-Lu Tseng
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Li-Quan Wang
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Tian-Hao Li
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Zhu-Jun Li
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Jiu-Zuo Huang
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Nan-Ze Yu
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Xiao Long
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China.
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30
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An Q, Ren J, Jia X, Qu S, Zhang N, Li X, Fan G, Pan S, Zhang Z, Wu K. Anisotropic materials based on carbohydrate polymers: A review of fabrication strategies, properties, and applications. Carbohydr Polym 2024; 330:121801. [PMID: 38368095 DOI: 10.1016/j.carbpol.2024.121801] [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: 07/06/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 02/19/2024]
Abstract
Anisotropic structures exist in almost all living organisms to endow them with superior properties and physiological functionalities. However, conventional artificial materials possess unordered isotropic structures, resulting in limited functions and applications. The development of anisotropic structures on carbohydrates is reported to have an impact on their properties and applications. In this review, various alignment strategies for carbohydrates (i.e., cellulose, chitin and alginate) from bottom-up to top-down strategies are discussed, including the rapidly developed innovative technologies such as shear-induced orientation through extrusion-based 3D/4D printing, magnetic-assisted alignment, and electric-induced alignment. The unique properties and wide applications of anisotropic carbohydrate materials across different fields, from biomedical, biosensors, smart actuators, soft conductive materials, to thermal management are also summarized. Finally, recommendations on the selection of fabrication strategies are given. The major challenge lies in the construction of long-range hierarchical alignment with high orientation degree and precise control over complicated architectures. With the future development of hierarchical alignment strategies, alignment control techniques, and alignment mechanism elucidation, the potential of anisotropic carbohydrate materials for scalable manufacture and clinical applications will be fully realized.
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Affiliation(s)
- Qi An
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Jingnan Ren
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Xiao Jia
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Shasha Qu
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Nawei Zhang
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Xiao Li
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Gang Fan
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China.
| | - Siyi Pan
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China
| | - Zhifeng Zhang
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan 430070, China; Ningxia Huaxinda Health Technology Co., Ltd., Lingwu 751400, China
| | - Kangning Wu
- Ningxia Huaxinda Health Technology Co., Ltd., Lingwu 751400, China
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31
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Majeed F, Razzaq A, Rehmat S, Azhar I, Mohyuddin A, Rizvi NB. Enhanced dye sequestration with natural polysaccharides-based hydrogels: A review. Carbohydr Polym 2024; 330:121820. [PMID: 38368085 DOI: 10.1016/j.carbpol.2024.121820] [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: 11/19/2023] [Revised: 12/28/2023] [Accepted: 01/10/2024] [Indexed: 02/19/2024]
Abstract
Due to the expansion of industrial activities, the concentration of dyes in water has been increasing. The dire need to remove these pollutants from water has been heavily discussed. This study focuses on the reproducible and sustainable solution for wastewater treatment and dye annihilation challenges. Adsorption has been rated the most practical way of the several decolorization procedures due to its minimal initial investment, convenient utility, and high-performance caliber. Hydrogels, which are three-dimensional polymer networks, are notable because of their potential to regenerate, biodegrade, absorb bulky amounts of water, respond to stimuli, and have unique morphologies. Natural polysaccharide hydrogels are chosen over synthetic ones because they are robust, bioresorbable, non-toxic, and cheaply accessible. This study has covered six biopolymers, including chitosan, cellulose, pectin, sodium alginate, guar gum, and starch, consisting of their chemical architecture, origins, characteristics, and uses. The next part describes these polysaccharide-based hydrogels, including their manufacturing techniques, chemical alterations, and adsorption effectiveness. It is deeply evaluated how size and shape affect the adsorption rate, which has not been addressed in any prior research. To assist the readers in identifying areas for further research in this subject, limitations of these hydrogels and future views are provided in the conclusion.
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Affiliation(s)
- Fiza Majeed
- Department of Chemistry, University of Narowal, Narowal 51600, Pakistan
| | - Ammarah Razzaq
- Department of Chemistry, University of Narowal, Narowal 51600, Pakistan
| | - Shabnam Rehmat
- Department of Chemistry, University of Narowal, Narowal 51600, Pakistan; School of Chemistry, University of the Punjab, Lahore 54590, Pakistan.
| | - Irfan Azhar
- Department of Chemistry and Research Center for Chemical Biology and Omics Analysis, College of Science, Southern University of Science and Technology, Shenzhen 518055, China
| | - Abrar Mohyuddin
- Department of Chemistry, The Emerson University Multan, Multan 60000, Pakistan
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32
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Malik SA, Dar AA, Banday JA. Kinetic and adsorption isotherm studies of Malachite Green dye onto surfactant-tailored alginate hydrogel beads: An influence of surfactant hydrophobicity. Int J Biol Macromol 2024; 263:130318. [PMID: 38408581 DOI: 10.1016/j.ijbiomac.2024.130318] [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: 02/04/2024] [Accepted: 02/18/2024] [Indexed: 02/28/2024]
Abstract
This study details the synthesis and characterization of surfactant-modified sodium alginate hydrogel beads crosslinked with Ba2+ ions through ionotropic gelation. Cationic surfactants such as, dodecyltrimethylammonium bromide (DTAB), didodecyldimethylammonium bromide (DDAB), and butanediyl-α,ω-bis-(dimethyldodecylammonium bromide) (GEM), were employed in the modification process. The surfactant-modified ALG-DTAB, ALG-DDAB, and ALG-GEM beads were investigated for the removal of cationic dye Malachite Green (MG) to elucidate the impact of hydrophobicity of amphiphiles on the adsorption process. The characterizations were carried out using Rheometry, Field Emission Scanning Electron Microscopy (FESEM), Infrared Spectroscopy (IR), and Energy Dispersive X-ray Spectroscopy (EDX). Under optimized conditions, ALG-GEM and ALG-DDAB demonstrated highest maximum adsorption capacity (Qmax > 700 mgg-1). The adsorption data fitted well to pseudo-second order kinetic and Langmuir adsorption models, suggesting the involvement of chemisorption phenomena with notable contributions from pore diffusion. The effects of pH, initial dye concentration, adsorbent dose, temperature, and competing ions on the removal of MG were investigated. Interestingly, ALG-GEM beads exhibited an increase in adsorption capacity with rising pH and a subsequent decrease with increasing temperature, showcasing optimal adsorption at pH 7.0 and 25 °C. The study proposes that ALG beads modified with cationic surfactants with higher hydrophobicity could offer a promising avenue in wastewater treatment processes.
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Affiliation(s)
- Sohail Amin Malik
- Department of Chemistry, National Institute of Technology, Hazratbal, Srinagar 190006, J&K, India; Soft matter Research Group, Physical Chemistry Section, Department of Chemistry, University of Kashmir, Hazratbal, Srinagar 190006, J&K, India
| | - Aijaz Ahmad Dar
- Soft matter Research Group, Physical Chemistry Section, Department of Chemistry, University of Kashmir, Hazratbal, Srinagar 190006, J&K, India.
| | - Javid Ahmad Banday
- Department of Chemistry, National Institute of Technology, Hazratbal, Srinagar 190006, J&K, India.
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Rana MM, De la Hoz Siegler H. Evolution of Hybrid Hydrogels: Next-Generation Biomaterials for Drug Delivery and Tissue Engineering. Gels 2024; 10:216. [PMID: 38667635 PMCID: PMC11049329 DOI: 10.3390/gels10040216] [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: 02/28/2024] [Revised: 03/14/2024] [Accepted: 03/19/2024] [Indexed: 04/28/2024] Open
Abstract
Hydrogels, being hydrophilic polymer networks capable of absorbing and retaining aqueous fluids, hold significant promise in biomedical applications owing to their high water content, permeability, and structural similarity to the extracellular matrix. Recent chemical advancements have bolstered their versatility, facilitating the integration of the molecules guiding cellular activities and enabling their controlled activation under time constraints. However, conventional synthetic hydrogels suffer from inherent weaknesses such as heterogeneity and network imperfections, which adversely affect their mechanical properties, diffusion rates, and biological activity. In response to these challenges, hybrid hydrogels have emerged, aiming to enhance their strength, drug release efficiency, and therapeutic effectiveness. These hybrid hydrogels, featuring improved formulations, are tailored for controlled drug release and tissue regeneration across both soft and hard tissues. The scientific community has increasingly recognized the versatile characteristics of hybrid hydrogels, particularly in the biomedical sector. This comprehensive review delves into recent advancements in hybrid hydrogel systems, covering the diverse types, modification strategies, and the integration of nano/microstructures. The discussion includes innovative fabrication techniques such as click reactions, 3D printing, and photopatterning alongside the elucidation of the release mechanisms of bioactive molecules. By addressing challenges, the review underscores diverse biomedical applications and envisages a promising future for hybrid hydrogels across various domains in the biomedical field.
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Affiliation(s)
- Md Mohosin Rana
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z7, Canada;
- Centre for Blood Research, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Hector De la Hoz Siegler
- Department of Chemical and Petroleum Engineering, Schulich School of Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
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Aly AA, Eliwa NE, Safwat G. Role of gamma-irradiated sodium alginate on growth, physiological and active components of iceberg lettuce (Lactuca sativa) plant. BMC PLANT BIOLOGY 2024; 24:185. [PMID: 38475707 DOI: 10.1186/s12870-024-04853-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 02/22/2024] [Indexed: 03/14/2024]
Abstract
BACKGROUND One of the most widely recognized biostimulators of plant development; is oligoalginate, which regulates the biological processes of plants and was used in horticultural fields as a plant growth regulator. The plan of the current research was to study, however, the foliar application of un-irradiated and irradiated Na-alginate (UISA and ISA) to improve the growth, physiological activity, and other active components of the Egyptian iceberg lettuce plant. Degraded Na-alginate is equipped with exposure of sodium alginate in its solid state to gamma-rays at different dose levels (0.0, 25, 50, 75, and 100 kGy). The characterization of the oligo-alginates achieved by γ-radiation deprivation at different dose levels was performed by FTIR, XRD, TGA, SEM, and TEM. Different concentrations of irradiated sodium alginate at dose levels of 100 kGy (200, 400, 600, and 800 ppm, as well as deionized water used as a control) were sprayed with a hand sprayer every week after transplanting the iceberg lettuce seedlings in the field until the harvest stage. Morphological traits were evaluated, as well as pigments, ascorbic acid, phenols, flavonoids, soluble proteins, and antioxidant activity. RESULTS Irradiated Na-alginate resulted in the depolymerization of Na-alginate into small molecular-weight oligosaccharides, and the best dose to use was 100 kGy. Certain chemical modifications in the general structure were observed by FTIR analysis. Two absorbed bands at 3329 cm-1 and 1599 cm-1, were recognized that are assigned to O-H and C-O stretching, respectively, and peaks achieved at 1411 cm-1 represent the COO-stretching group connected to the sodium ion. The peak obtained at 1028 cm-1 was owing to the stretching vibration of C-O. The results of TGA provided that the minimum weight reminder was in the ISA at 100 kGy (28.12%) compared to the UISA (43.39%). The images of TEM pointed out that the Na-alginate was globular in shape, with the particle distribution between 12.8 and 21.7 nm in ISA at 100 kGy. Irradiated sodium alginate caused a noteworthy enhancement in the vegetative growth traits (leaf area, stem length, head weight, and leaf number). By spraying 400 ppm, ISA showed a maximum increase in total pigments (2.209 mg/g FW), ascorbic acid (3.13 mg/g fresh weight), phenols (1.399 mg/g FW), flavonoids (0.775 mg/g FW), and antioxidant activities (82.14. %). Also, there were correlation coefficients (R values) between leaf area, stem length, head weight, and leaf number values with total pigment content, antioxidant activity, total soluble proteins, and ascorbic acid. CONCLUSIONS The outcomes of the recent investigation demonstrated that the application of spraying irradiated Na-alginate (100 kGy) resulted in an improvement of the considered characters.
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Affiliation(s)
- Amina A Aly
- Natural Products Research Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
| | - Noha E Eliwa
- Natural Products Research Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Gehan Safwat
- Faculty of Biotechnology, October University for Modern Sciences and Arts (MSA), Giza, Egypt
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Kim DY, Yang T, Srivastava P, Nile SH, Seth CS, Jadhav U, Syed A, Bahkali AH, Ghodake GS. Alginic acid-functionalized silver nanoparticles: A rapid monitoring tool for detecting the technology-critical element tellurium. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133161. [PMID: 38103291 DOI: 10.1016/j.jhazmat.2023.133161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 12/19/2023]
Abstract
The increasing global demand for tellurium, driven by its critical role in alloys, photovoltaic devices, and electronics, has raised concerns about its environmental pollution and neurotoxicity. In response, the potential of alginic acid (AA), a renewable, low-cost, and sustainable biopolymer, was explored for the biosynthesis of ultra-small silver nanoparticles (AgNPs) and their application in the detection of tellurium (Te(IV)). The effect of key synthesis parameters on desired physicochemical properties and yield of AgNPs was established to ensure high specificity and sensitivity towards Te(IV). The purified AgNPs with AA surface ligands were utilized to demonstrate a ratiometric absorbance sensor that exhibits excellent linearity and nanomolar-level affinity. This approach achieved a high correlation coefficient of ∼ 0.982, with a low detection limit of about 22 nM. Further investigations into the effect of pH, ionic strength, and organic molecules were conducted to elucidate detection performance and molecular understanding. The detection mechanism relies on the coordination between Te(IV) ions and the carboxylate groups of AA, which initiates aggregation-induced plasmon coupling in adjacent AgNPs. The capability of this analytical method to monitor Te(IV) in real-world water samples features its rapidity, user-friendliness, and suitability for point-of-care monitoring, making it a promising alternative to more complex techniques.
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Affiliation(s)
- Dae-Young Kim
- Department of Biological and Environmental Science, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Republic of Korea
| | - Tianxi Yang
- Food, Nutrition and Health, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4 Canada
| | - Priyanka Srivastava
- Department of Chemistry, University of Allahabad, Prayagraj, Uttar Pradesh 211002, India
| | - Shivraj Hariram Nile
- Division of Food and Nutrition, DBT-National Agri-Food Biotechnology Institute, Sahibzada Ajit Singh Nagar, Punjab 140306, India
| | | | - Umesh Jadhav
- Department of Microbiology, Savitribai Phule Pune University, Pune 411007, Maharashtra, India
| | - Asad Syed
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia
| | - Ali H Bahkali
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia
| | - Gajanan Sampatrao Ghodake
- Department of Biological and Environmental Science, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Republic of Korea.
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Reynaga-Navarro W, Wijffels RH, Eppink MHM, Kazbar A. Isolation and quantification of alginate in choline chloride-based deep eutectic solvents. Int J Biol Macromol 2024; 262:130103. [PMID: 38346616 DOI: 10.1016/j.ijbiomac.2024.130103] [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: 12/12/2023] [Revised: 01/24/2024] [Accepted: 02/08/2024] [Indexed: 02/19/2024]
Abstract
Extraction of seaweed compounds using Deep Eutectic Solvents (DES) has shown high interest. Quantification, however, is challenging due to interactions with DES components. In this research work, three chemical separation techniques were investigated to isolate and quantify alginate from a set of choline chloride-based DES. While choline chloride served as the hydrogen bond acceptor (HBA); Urea, Ethylene Glycol, Propylene Glycol, Glycerol, Sorbitol, Xylitol and Glucose were used as hydrogen bond donors (HBD). DES containing sodium alginate were subjected to precipitation with sulfuric acid 0.2 M (pH 1.6), ethanol-water mixture (80 % v/v) and calcium chloride (1 % w/v CaCl2·2H2O). Alginate in precipitates was quantified and used to evaluate the performance of each separation technique. The highest recovery yields (51.2 ± 1.3 %) were obtained using the ethanol-water mixture followed by calcium chloride (45.7 ± 1.2 %), except for polyols (e.g. sorbitol). The lowest recovery yields were obtained with acid, with a particularly low recovery yield when urea was used as HBD (9.6 ± 1.3 %). Estimations of ManA/GulA ratios showed lower values for precipitates from DES compared to the ones obtained from water. This research shows ethanolic precipitation as a suitable method for alginate separation from the studied set of choline chloride-based DES.
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Affiliation(s)
- Wimar Reynaga-Navarro
- Bioprocess Engineering, Wageningen University, PO Box 16, Wageningen 6700 AA, the Netherlands.
| | - René H Wijffels
- Bioprocess Engineering, Wageningen University, PO Box 16, Wageningen 6700 AA, the Netherlands; Faculty of Biosciences and Aquaculture, Nord University, N-8049 Bodø, Norway
| | - Michel H M Eppink
- Bioprocess Engineering, Wageningen University, PO Box 16, Wageningen 6700 AA, the Netherlands
| | - Antoinette Kazbar
- Bioprocess Engineering, Wageningen University, PO Box 16, Wageningen 6700 AA, the Netherlands
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Balmonte JP, Giebel HA, Arnosti C, Simon M, Wietz M. Distinct bacterial succession and functional response to alginate in the South, Equatorial, and North Pacific Ocean. Environ Microbiol 2024; 26:e16594. [PMID: 38418376 DOI: 10.1111/1462-2920.16594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 01/26/2024] [Indexed: 03/01/2024]
Abstract
The availability of alginate, an abundant macroalgal polysaccharide, induces compositional and functional responses among marine microbes, but these dynamics have not been characterized across the Pacific Ocean. We investigated alginate-induced compositional and functional shifts (e.g., heterotrophic production, glucose turnover, hydrolytic enzyme activities) of microbial communities in the South Subtropical, Equatorial, and Polar Frontal North Pacific in mesocosms. We observed that shifts in response to alginate were site-specific. In the South Subtropical Pacific, prokaryotic cell counts, glucose turnover, and peptidase activities changed the most with alginate addition, along with the enrichment of the widest range of particle-associated taxa (161 amplicon sequence variants; ASVs) belonging to Alteromonadaceae, Rhodobacteraceae, Phormidiaceae, and Pseudoalteromonadaceae. Some of these taxa were detected at other sites but only enriched in the South Pacific. In the Equatorial Pacific, glucose turnover and heterotrophic prokaryotic production increased most rapidly; a single Alteromonas taxon dominated (60% of the community) but remained low (<2%) elsewhere. In the North Pacific, the particle-associated community response to alginate was gradual, with a more limited range of alginate-enriched taxa (82 ASVs). Thus, alginate-related ecological and biogeochemical shifts depend on a combination of factors that include the ability to utilize alginate, environmental conditions, and microbial interactions.
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Affiliation(s)
- John Paul Balmonte
- Department of Earth, Marine and Environmental Sciences, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Earth and Environmental Sciences, Lehigh University, Bethlehem, PA, USA
| | - Helge-Ansgar Giebel
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany
| | - Carol Arnosti
- Department of Earth, Marine and Environmental Sciences, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Meinhard Simon
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany
| | - Matthias Wietz
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany
- Deep-Sea Ecology and Technology, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
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Jiang J, Wang Y, Jiang Z, Yan Q, Yang S. High-level production of a novel alginate lyase (FsAly7) from Flammeovirga sp. for efficient production of low viscosity soluble dietary fiber from sodium alginate. Carbohydr Polym 2024; 326:121605. [PMID: 38142093 DOI: 10.1016/j.carbpol.2023.121605] [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: 09/07/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 12/25/2023]
Abstract
Sodium alginate is one of the most abundant sustainable gum source for dietary fiber production. However, the preparation efficiencies of low viscosity soluble dietary fiber from sodium alginate remain low. Here, a novel alginate lyase gene (FsAly7) from Flammeovirga sp. was identified and high-level expressed in Pichia pastoris for low viscosity soluble dietary fiber production. The highest enzyme production of 3050 U mL-1 was achieved, which is by far the highest yield ever reported. FsAly7 was used for low viscosity soluble dietary fiber production from sodium alginate, and the highest degradation rate of 85.5 % was achieved under a high substrate content of 20 % (w/v). The molecular weight of obtained soluble dietary fiber converged to 10.75 kDa. FsAly7 catalyzed the cleavage of glycosidic bonds in alginate chains with formation of unsaturated non-reducing ends simultaneously in the degradation process, thus altered the chemical structures of hydrolysates. The soluble dietary fiber exhibited excellent properties, including low viscosity, high oil adsorption capacity activity (2.20 ± 0.03 g g-1) and high emulsifying activity (60.05 ± 2.96 mL/100 mL). This investigation may provide a novel alginate lyase catalyst as well as a solution for the efficient production of low viscosity soluble dietary fiber from sodium alginate.
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Affiliation(s)
- Jun Jiang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Yue Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Zhengqiang Jiang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Qiaojuan Yan
- Key Laboratory of Food Bioengineering (China National Light Industry), College of Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Shaoqing Yang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China.
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Kashapov R, Razuvayeva Y, Ziganshina A, Salnikov V, Zakharova L. A supramolecular catalyst based on sodium alginate and viologen calix[4]resorcinol for the room temperature hydrolysis of paraoxon. Int J Biol Macromol 2024; 257:128578. [PMID: 38048928 DOI: 10.1016/j.ijbiomac.2023.128578] [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: 09/04/2023] [Revised: 11/10/2023] [Accepted: 12/01/2023] [Indexed: 12/06/2023]
Abstract
Properties of paraoxon, such as poor water solubility, low rate of natural decomposition, ability to accumulate in soil and wastewater, lead to the fact that paraoxon is found in various agricultural products and textiles. In this regard, the search for effective ways of paraoxon degradation becomes an extremely urgent problem, which can be solved by creating catalysts by mimicking paraxonase. In this work, a complex of physicochemical methods was used to study the supramolecular interactions of sodium alginate, which has a calcium-binding ability similar to paraxonase, with viologen calix[4]resorcinol and to reveal the nature of the intermolecular interactions between them resulting in the spontaneous formation of nanoparticles. Before proceeding to the investigation of the binding ability of obtained nanoparticles to paraoxon, the encapsulating effect of nanoparticles on a number of model substrates of different solubility (doxorubicin hydrochloride, quercetin and oleic acid) was studied. The kinetics of paraoxon hydrolysis reaction using these nanoparticles was studied at room temperature in an aqueous medium by spectrophotometric method. The rate of this reaction increases with increasing concentration of stable nanoparticles having hydrophobic domains that ensure paraoxon immobilization. The results obtained allow considering the supramolecular polysaccharide/calixarene system as an effective biomimetic catalyst.
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Affiliation(s)
- Ruslan Kashapov
- A.E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of the Russian Academy of Sciences, 8 Arbuzov str., 420088 Kazan, Russia.
| | - Yuliya Razuvayeva
- A.E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of the Russian Academy of Sciences, 8 Arbuzov str., 420088 Kazan, Russia
| | - Albina Ziganshina
- A.E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of the Russian Academy of Sciences, 8 Arbuzov str., 420088 Kazan, Russia
| | - Vadim Salnikov
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of the Russian Academy of Sciences, 2 Lobachevsky str., 420111 Kazan, Russia
| | - Lucia Zakharova
- A.E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of the Russian Academy of Sciences, 8 Arbuzov str., 420088 Kazan, Russia
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Du L, Wang S, Zhu P, Jiang Z. Eco-friendly phosphorus-free flame-retardant coating for microfiber synthetic leather via alginate-based layer-by-layer technology. Int J Biol Macromol 2024; 258:129007. [PMID: 38151082 DOI: 10.1016/j.ijbiomac.2023.129007] [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: 09/19/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 12/29/2023]
Abstract
The excellent comprehensive properties of microfiber synthetic leathers have led to their wide application in various aspects of our lives. However, the issue of flammability remains a significant challenge that needs to be addressed. Nowadays, the bio-based chemicals used in the flame-retardant materials have extremely grabbed our eyes. Herein, we developed an ecologically friendly flame-retardant microfiber synthetic leather using phosphorus-free layer-by-layer assembly technology (LBL) based on natural polysaccharide alginate (SA) coupled with polyethyleneimine (PEI) and 3-aminopropyltriethoxysilane (APTES). The effect of different LBL coating systems on the flame retardancy of microfiber synthetic leather was investigated. The results demonstrated that the introduction of APTES can completely inhibit the melt-dripping by enhancing char formation through silica elements. Furthermore, the trinary coating system consisting of SA/APTES/PEI exhibited excellent flame retardancy by combining gas-phase action from PEI and condensed-phase function from APTES. This modified microfiber synthetic leather showed a significantly higher limiting oxygen index (LOI) value of 33.0 % with no molten droplet. Additionally, the SA-based coating slightly suppressed the heat release, resulting in a 20 % reduction in total heat release during the combustion test. Overall, this work presents a facile and environmentally-friendly approach for achieving flame-retardant and anti-dripping microfiber synthetic leather.
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Affiliation(s)
- Lei Du
- Institute of Functional Textiles and Advanced Materials, College of Textiles and Clothing, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), Qingdao Key Laboratory of Flame-Retardant Textile Materials, Qingdao University, Qingdao 266071, China
| | - Shijie Wang
- Institute of Functional Textiles and Advanced Materials, College of Textiles and Clothing, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), Qingdao Key Laboratory of Flame-Retardant Textile Materials, Qingdao University, Qingdao 266071, China
| | - Ping Zhu
- Institute of Functional Textiles and Advanced Materials, College of Textiles and Clothing, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), Qingdao Key Laboratory of Flame-Retardant Textile Materials, Qingdao University, Qingdao 266071, China
| | - Zhiming Jiang
- Institute of Functional Textiles and Advanced Materials, College of Textiles and Clothing, National Engineering Research Center for Advanced Fire-Safety Materials D & A (Shandong), Qingdao Key Laboratory of Flame-Retardant Textile Materials, Qingdao University, Qingdao 266071, China.
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Pizzetti F, Massobrio G, Riva S, Vangosa FB, Rossi F. Biphasic Porous Bijel-Like Structures with Hydrogel Domains as Controlled Drug Delivery Systems. Gels 2024; 10:72. [PMID: 38247794 PMCID: PMC10815427 DOI: 10.3390/gels10010072] [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: 12/12/2023] [Revised: 01/11/2024] [Accepted: 01/16/2024] [Indexed: 01/23/2024] Open
Abstract
Bijels are a peculiar type of Pickering emulsion that have a bicontinuous morphology and are stabilised by a jammed layer of nanoparticles (NPs). Due to their double nature, their usage has increased in recent years in various fields, such as biological and food applications. In fact, they can release both hydrophilic and hydrophobic compounds simultaneously. An improvement to this structure is the use of a hydrophobic monomer like polycaprolactone as the organic phase, which is able to polymerise during the formation of the structure. Unfortunately, the structures formed in this way always have some drawbacks, such as their thermal stability or degradation when submerged in an aqueous medium. A number of studies have been carried out in which some parameters, such as the NPs or the monomer, were changed and their effect on the final product evaluated. In this work, the effect of modifying the aqueous phase was studied. In particular, the effect of adding alginate, a biopolymer capable of forming a stable hydrogel in the presence of divalent cations, was analysed, as was the difference between soaking or not in CaCl2, the final system. Specific attention was paid to their swelling behaviour (150% vs. 25% of the blank sample), rheological properties (G' 100 kPa vs. 20 kPa of the blank sample) and their release performances. In this framework, complete release of hydrophilic drug vs. 20% in the blank sample was observed together with improved release of the hydrophobic one with 35% in 8 h vs. 5% in the case of the blank sample. This strategy has been proven to influence bijels' properties, opening the doors to many different uses.
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Affiliation(s)
- Fabio Pizzetti
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy; (G.M.); (S.R.); (F.B.V.)
| | | | | | | | - Filippo Rossi
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy; (G.M.); (S.R.); (F.B.V.)
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Jamroży M, Kudłacik-Kramarczyk S, Drabczyk A, Krzan M. Advanced Drug Carriers: A Review of Selected Protein, Polysaccharide, and Lipid Drug Delivery Platforms. Int J Mol Sci 2024; 25:786. [PMID: 38255859 PMCID: PMC10815656 DOI: 10.3390/ijms25020786] [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: 12/16/2023] [Revised: 12/29/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024] Open
Abstract
Studies on bionanocomposite drug carriers are a key area in the field of active substance delivery, introducing innovative approaches to improve drug therapy. Such drug carriers play a crucial role in enhancing the bioavailability of active substances, affecting therapy efficiency and precision. The targeted delivery of drugs to the targeted sites of action and minimization of toxicity to the body is becoming possible through the use of these advanced carriers. Recent research has focused on bionanocomposite structures based on biopolymers, including lipids, polysaccharides, and proteins. This review paper is focused on the description of lipid-containing nanocomposite carriers (including liposomes, lipid emulsions, lipid nanoparticles, solid lipid nanoparticles, and nanostructured lipid carriers), polysaccharide-containing nanocomposite carriers (including alginate and cellulose), and protein-containing nanocomposite carriers (e.g., gelatin and albumin). It was demonstrated in many investigations that such carriers show the ability to load therapeutic substances efficiently and precisely control drug release. They also demonstrated desirable biocompatibility, which is a promising sign for their potential application in drug therapy. The development of bionanocomposite drug carriers indicates a novel approach to improving drug delivery processes, which has the potential to contribute to significant advances in the field of pharmacology, improving therapeutic efficacy while minimizing side effects.
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Affiliation(s)
- Mateusz Jamroży
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 8 Niezapominajek Str., 30-239 Krakow, Poland;
- Department of Materials Engineering, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland; (S.K.-K.); (A.D.)
| | - Sonia Kudłacik-Kramarczyk
- Department of Materials Engineering, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland; (S.K.-K.); (A.D.)
| | - Anna Drabczyk
- Department of Materials Engineering, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland; (S.K.-K.); (A.D.)
| | - Marcel Krzan
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 8 Niezapominajek Str., 30-239 Krakow, Poland;
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Yerramathi BB, Muniraj BA, Kola M, Konidala KK, Arthala PK, Sharma TSK. Alginate biopolymeric structures: Versatile carriers for bioactive compounds in functional foods and nutraceutical formulations: A review. Int J Biol Macromol 2023; 253:127067. [PMID: 37748595 DOI: 10.1016/j.ijbiomac.2023.127067] [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: 06/19/2023] [Revised: 09/22/2023] [Accepted: 09/22/2023] [Indexed: 09/27/2023]
Abstract
Alginate-based biopolymer products have gained attention for protecting and delivering bioactive components in nutraceuticals and functional foods. These naturally abundant anionic, unbranched, and linear copolymers are also produced commercially by microorganisms. Alone or in combination with other copolymers, they efficiently transport bioactive molecules in food and nutraceutical products. This review aims to provide an in-depth understanding of alginate-based products and structures, emphasizing their role in delivering functional molecules in various formulations and delivery systems. These include edible coatings/films, gels/emulsions, beads/droplets, microspheres/particles, and engineered nanostructures where alginates have been used potentially. By exploring these applications, readers gain insights into the benefits of these products. Because, alginate-based biopolymer products have shown promise in delivering bioactive compounds like vitamin C, vitamin D3, curcumin, β-carotene, resveratrol, folic acid, gliadins, caffeic acid, betanin, limonoids, quercetin, several polyphenols and essential oils, etc., which are chief contributors to treating specific/overall nutritional and chronic metabolic disorders. So, this review summarizes the potential of alginate-based structures/products in various forms for delivering a wide range of functional food ingredients and nutraceutical components that offer promising perspectives for future investigations.
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Affiliation(s)
- Babu Bhagath Yerramathi
- Food Technology Division, College of Sciences, Sri Venkateswara University, Tirupati 517502, Andhra Pradesh, India
| | - Beulah Annem Muniraj
- Integrated Food Technology, Sri Padmavathi Mahila Visvavidyalayam, Tirupati 517502, Andhra Pradesh, India
| | - Manjula Kola
- Food Technology Division, College of Sciences, Sri Venkateswara University, Tirupati 517502, Andhra Pradesh, India.
| | - Kranthi Kumar Konidala
- Bioinformatics, Department of Zoology, College of Sciences, Sri Venkateswara University, Tirupati 517502, Andhra Pradesh, India
| | - Praveen Kumar Arthala
- Department of Microbiology, Vikrama Simhapuri University, Nellore, Andhra Pradesh, India
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Riseh RS, Vazvani MG, Kennedy JF. β-glucan-induced disease resistance in plants: A review. Int J Biol Macromol 2023; 253:127043. [PMID: 37742892 DOI: 10.1016/j.ijbiomac.2023.127043] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/06/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
Systemic acquired resistance (SAR) and induced systemic resistance (ISR) are caused by various factors, including both pathogenic and non-pathogenic ones. β-glucan primarily originates from bacteria and fungi, some species of these organisms work as biological agents in causing diseases. When β-glucan enters plants, it triggers the defense system, leading to various reactions such as the production of proteins related to pathogenicity and defense enzymes. By extracting β-glucan from disturbed microorganisms and using it as an inducing agent, plant diseases can be effectively controlled by activating the plant's defense system. β-glucan plays a crucial role during the interaction between plants and pathogens. Therefore, modeling the plant-pathogen relationship and using the molecules involved in this interaction can help in controlling plant diseases, as pathogens have genes related to resistance against pathogenicity. Thus, it is reasonable to identify and use biological induction agents at a large scale by extracting these compounds.
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Affiliation(s)
- Roohallah Saberi Riseh
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, 7718897111 Rafsanjan, Iran.
| | - Mozhgan Gholizadeh Vazvani
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, 7718897111 Rafsanjan, Iran
| | - John F Kennedy
- Chembiotech Laboratories Ltd, WR15 8FF Tenbury Wells, United Kingdom.
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Elwakeel KZ, Ahmed MM, Akhdhar A, Alghamdi HM, Sulaiman MGM, Hamza MF, Khan ZA. Effect of the magnetic core in alginate/gum composite on adsorption of divalent copper, cadmium, and lead ions in the aqueous system. Int J Biol Macromol 2023; 253:126884. [PMID: 37709221 DOI: 10.1016/j.ijbiomac.2023.126884] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 08/11/2023] [Accepted: 09/11/2023] [Indexed: 09/16/2023]
Abstract
The change of composition of an adsorbent material has been widely used as a method to increase its adsorption capacity, particularly concerning adsorbents made of polysaccharides. Introducing magnetic adsorbents into contaminated water treatment systems is a highly promising strategy, as it promotes the metal ions removal from water. Considering this, gum Arabic (GA) was associated with alginate (Alg), when magnetite nanoparticles were present or absent, to produce beads that were utilised to take up Cu(II), Cd(II), and Pb(II) from aqueous solution. After a complete characterisation (for which Fourier transform infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy, and swelling were used), the adsorption properties were established using batch and column tests. The magnetic beads (MAlg/GA) demonstrated improved adsorption in comparison with the beads made without magnetite (Alg/GA) under the same conditions. In normal adsorption conditions (pH 6.0, 25 °C, 2.5 g L-1 of adsorbent dosage), the highest uptake capacities recorded for the MAlg/GA beads were: for Cu(II), 1.33 mmol g-1; Cd(II), 1.59 mmol g-1; and for Pb(II), 1.43 mmol g-1. The pseudo-second-order kinetics and Langmuir isotherm models provided good fits for the adsorption of these metals. Overall, ion exchange and physical forces led to the uptake of these metals by both Alg/GA and MAlg/GA; moreover, the functional groups on the beads played crucial roles as binding sites. Additionally, it was observed that flow rates of >2 mL min-1 did not produce noticeable changes in uptake levels over the same flow period. It was found that the efficient eluting agent was HNO3 (0.2 M). In some cases, the metals were not removed fully from the used beads during the first five cycles of regeneration and reuse. The results of this investigation show that these beads are efficient adsorbents for the removal of metal ions from spiked well water samples.
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Affiliation(s)
- Khalid Z Elwakeel
- University of Jeddah, College of Science, Department of Chemistry, Jeddah, Saudi Arabia; Environmental Chemistry Division, Environmental Science Department, Faculty of Science, Port Said University, Port Said, Egypt.
| | - Marwan M Ahmed
- University of Jeddah, College of Science, Department of Chemistry, Jeddah, Saudi Arabia
| | - Abdullah Akhdhar
- University of Jeddah, College of Science, Department of Chemistry, Jeddah, Saudi Arabia
| | - Huda M Alghamdi
- University of Jeddah, College of Science, Department of Chemistry, Jeddah, Saudi Arabia
| | - Mohamed G M Sulaiman
- University of Jeddah, College of Science, Department of Chemistry, Jeddah, Saudi Arabia
| | - Mohammed F Hamza
- School of Nuclear Science and Technology, University of South China, Heng Yang 421001, PR China; Nuclear Materials Authority, El-Maadi, Cairo, P.O. Box 530, Egypt
| | - Ziya A Khan
- University of Jeddah, College of Science, Department of Chemistry, Jeddah, Saudi Arabia
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Wang N, Wei Y, Hu Y, Sun X, Wang X. Microfluidic Preparation of pH-Responsive Microsphere Fibers and Their Controlled Drug Release Properties. Molecules 2023; 29:193. [PMID: 38202775 PMCID: PMC10780054 DOI: 10.3390/molecules29010193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 12/23/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024] Open
Abstract
In this study, a capillary microfluidic device was constructed, and sodium alginate solution and a pH-sensitive hydrophobic polymer (p(BMA-co-DAMA-co-MMA)) solution were introduced into the device for the preparation of hydrogel fibers loaded with polymer microspheres. The structure of the microsphere fiber, including the size and spacing of the microspheres, could be controlled by flow rate, and the microspheres were able to degrade and release cargo responding to acidic pH conditions. By modification with carboxymethylcellulose (CMC), alginate hydrogel exhibited enhanced pH sensitivity (shrunk in acidic while swollen in basic condition). This led to an impact on the diffusion rate of the molecules released from the inner microspheres. The microsphere fiber showed dramatic and negligible degradation and drug release in tumor cell (i.e., A431 and A549 cells) and normal cell environments, respectively. These results indicated that the microsphere fiber prepared in this study showed selective drug release in acidic environments, such as tumor and inflammation sites, which could be applied as a smart surgical dressing with normal tissue protective properties.
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Affiliation(s)
- Ning Wang
- Center of 3D Printing & Organ Manufacturing, School of Intelligent Medicine, China Medical University, Shenyang 110122, China;
- Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang 110122, China
| | - Yixuan Wei
- Teaching Center for Basic Medical Experiment, China Medical University, Shenyang 110122, China;
| | - Yanrong Hu
- Department of Biological Physics, School of Intelligent Medicine, China Medical University, Shenyang 110122, China;
| | - Xiaoting Sun
- Center of 3D Printing & Organ Manufacturing, School of Intelligent Medicine, China Medical University, Shenyang 110122, China;
- Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang 110122, China
| | - Xiaohong Wang
- Center of 3D Printing & Organ Manufacturing, School of Intelligent Medicine, China Medical University, Shenyang 110122, China;
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Damiri F, Fatimi A, Santos ACP, Varma RS, Berrada M. Smart stimuli-responsive polysaccharide nanohydrogels for drug delivery: a review. J Mater Chem B 2023; 11:10538-10565. [PMID: 37909361 DOI: 10.1039/d3tb01712e] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Polysaccharides have found extensive utilization as biomaterials in drug delivery systems owing to their remarkable biocompatibility, simple functionalization, and inherent biological properties. Within the array of polysaccharide-based biomaterials, there is a growing fascination for self-assembled polysaccharide nanogels (NG) due to their ease of preparation and enhanced appeal across diverse biomedical appliances. Nanogel (or nanohydrogel), networks of nanoscale dimensions, are created by physically or chemically linking polymers together and have garnered immense interest as potential carriers for delivering drugs due to their favorable attributes. These include biocompatibility, high stability, the ability to adjust particle size, the capacity to load drugs, and their inherent potential to modify their surface to actively target specific cells or tissues via the attachment of ligands that can recognize corresponding receptors. Nanogels can be engineered to respond to specific stimuli, such as pH, temperature, light, or redox conditions, allowing controlled release of the encapsulated drugs. This intelligent targeting capability helps prevent drug accumulation in unintended tissues and reduces the potential side effects. Herein, an overview of nanogels is offered, comprising their methods of preparation and the design of stimulus-responsive nanogels that enable controlled release of drugs in response to specific stimuli.
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Affiliation(s)
- Fouad Damiri
- Chemical Science and Engineering Research Team (ERSIC), Department of Chemistry, Polydisciplinary Faculty of Beni Mellal (FPBM), University Sultan Moulay Slimane (USMS), Beni Mellal 23000, Morocco.
- Laboratory of Biomolecules and Organic Synthesis (BIOSYNTHO), Department of Chemistry, Faculty of Sciences Ben M'Sick, University Hassan II of Casablanca, Casablanca 20000, Morocco.
| | - Ahmed Fatimi
- Chemical Science and Engineering Research Team (ERSIC), Department of Chemistry, Polydisciplinary Faculty of Beni Mellal (FPBM), University Sultan Moulay Slimane (USMS), Beni Mellal 23000, Morocco.
| | - Ana Cláudia Paiva Santos
- Department of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal
- REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy of the University of Coimbra, University of Coimbra, Coimbra, Portugal
| | - Rajender S Varma
- Centre of Excellence for Research in Sustainable Chemistry, Department of Chemistry, Federal University of São Carlos, 13565-905 São Carlos - SP, Brazil.
| | - Mohammed Berrada
- Laboratory of Biomolecules and Organic Synthesis (BIOSYNTHO), Department of Chemistry, Faculty of Sciences Ben M'Sick, University Hassan II of Casablanca, Casablanca 20000, Morocco.
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Zhang FW, Trackey PD, Verma V, Mandes GT, Calabro RL, Presot AW, Tsay CK, Lawton TJ, Zammit AS, Tang EM, Nguyen AQ, Munz KV, Nagelli EA, Bartolucci SF, Maurer JA, Burpo FJ. Cellulose Nanofiber-Alginate Biotemplated Cobalt Composite Multifunctional Aerogels for Energy Storage Electrodes. Gels 2023; 9:893. [PMID: 37998983 PMCID: PMC10671317 DOI: 10.3390/gels9110893] [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: 09/28/2023] [Revised: 11/06/2023] [Accepted: 11/09/2023] [Indexed: 11/25/2023] Open
Abstract
Tunable porous composite materials to control metal and metal oxide functionalization, conductivity, pore structure, electrolyte mass transport, mechanical strength, specific surface area, and magneto-responsiveness are critical for a broad range of energy storage, catalysis, and sensing applications. Biotemplated transition metal composite aerogels present a materials approach to address this need. To demonstrate a solution-based synthesis method to develop cobalt and cobalt oxide aerogels for high surface area multifunctional energy storage electrodes, carboxymethyl cellulose nanofibers (CNF) and alginate biopolymers were mixed to form hydrogels to serve as biotemplates for cobalt nanoparticle formation via the chemical reduction of cobalt salt solutions. The CNF-alginate mixture forms a physically entangled, interpenetrating hydrogel, combining the properties of both biopolymers for monolith shape and pore size control and abundant carboxyl groups that bind metal ions to facilitate biotemplating. The CNF-alginate hydrogels were equilibrated in CaCl2 and CoCl2 salt solutions for hydrogel ionic crosslinking and the prepositioning of transition metal ions, respectively. The salt equilibrated hydrogels were chemically reduced with NaBH4, rinsed, solvent exchanged in ethanol, and supercritically dried with CO2 to form aerogels with a specific surface area of 228 m2/g. The resulting aerogels were pyrolyzed in N2 gas and thermally annealed in air to form Co and Co3O4 porous composite electrodes, respectively. The multifunctional composite aerogel's mechanical, magnetic, and electrochemical functionality was characterized. The coercivity and specific magnetic saturation of the pyrolyzed aerogels were 312 Oe and 114 emu/gCo, respectively. The elastic moduli of the supercritically dried, pyrolyzed, and thermally oxidized aerogels were 0.58, 1.1, and 14.3 MPa, respectively. The electrochemical testing of the pyrolyzed and thermally oxidized aerogels in 1 M KOH resulted in specific capacitances of 650 F/g and 349 F/g, respectively. The rapidly synthesized, low-cost, hydrogel-based synthesis for tunable transition metal multifunctional composite aerogels is envisioned for a wide range of porous metal electrodes to address energy storage, catalysis, and sensing applications.
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Affiliation(s)
- Felita W. Zhang
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Paul D. Trackey
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Vani Verma
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Galen T. Mandes
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Rosemary L. Calabro
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
- U.S. Army Combat Capabilities Development Command-Armaments Center, Watervliet Arsenal, NY 12189, USA; (S.F.B.); (J.A.M.)
| | - Anthony W. Presot
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Claire K. Tsay
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Timothy J. Lawton
- U.S. Army Combat Capabilities Development Command-Soldier Center, Natick, MA 01760, USA;
| | - Alexa S. Zammit
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Edward M. Tang
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Andrew Q. Nguyen
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Kennedy V. Munz
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
| | - Enoch A. Nagelli
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
- Photonics Research Center, United States Military Academy, West Point, NY 10996, USA
| | - Stephen F. Bartolucci
- U.S. Army Combat Capabilities Development Command-Armaments Center, Watervliet Arsenal, NY 12189, USA; (S.F.B.); (J.A.M.)
| | - Joshua A. Maurer
- U.S. Army Combat Capabilities Development Command-Armaments Center, Watervliet Arsenal, NY 12189, USA; (S.F.B.); (J.A.M.)
| | - F. John Burpo
- Department of Chemistry and Life Science, United States Military Academy, West Point, NY 10996, USA; (F.W.Z.); (P.D.T.); (V.V.); (G.T.M.); (R.L.C.); (A.W.P.); (C.K.T.); (A.S.Z.); (E.M.T.); (A.Q.N.); (K.V.M.); (E.A.N.)
- Photonics Research Center, United States Military Academy, West Point, NY 10996, USA
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Tripathi AS, Zaki MEA, Al-Hussain SA, Dubey BK, Singh P, Rind L, Yadav RK. Material matters: exploring the interplay between natural biomaterials and host immune system. Front Immunol 2023; 14:1269960. [PMID: 37936689 PMCID: PMC10627157 DOI: 10.3389/fimmu.2023.1269960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/02/2023] [Indexed: 11/09/2023] Open
Abstract
Biomaterials are widely used for various medical purposes, for instance, implants, tissue engineering, medical devices, and drug delivery systems. Natural biomaterials can be obtained from proteins, carbohydrates, and cell-specific sources. However, when these biomaterials are introduced into the body, they trigger an immune response which may lead to rejection and failure of the implanted device or tissue. The immune system recognizes natural biomaterials as foreign substances and triggers the activation of several immune cells, for instance, macrophages, dendritic cells, and T cells. These cells release pro-inflammatory cytokines and chemokines, which recruit other immune cells to the implantation site. The activation of the immune system can lead to an inflammatory response, which can be beneficial or detrimental, depending on the type of natural biomaterial and the extent of the immune response. These biomaterials can also influence the immune response by modulating the behavior of immune cells. For example, biomaterials with specific surface properties, such as charge and hydrophobicity, can affect the activation and differentiation of immune cells. Additionally, biomaterials can be engineered to release immunomodulatory factors, such as anti-inflammatory cytokines, to promote a tolerogenic immune response. In conclusion, the interaction between biomaterials and the body's immune system is an intricate procedure with potential consequences for the effectiveness of therapeutics and medical devices. A better understanding of this interplay can help to design biomaterials that promote favorable immune responses and minimize adverse reactions.
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Affiliation(s)
| | - Magdi E A Zaki
- Department of Chemistry, Faculty of Science, Imam Mohammad lbn Saud Islamic University, Riyadh, Saudi Arabia
| | - Sami A Al-Hussain
- Department of Chemistry, Faculty of Science, Imam Mohammad lbn Saud Islamic University, Riyadh, Saudi Arabia
| | - Bidhyut Kumar Dubey
- Department of Pharmaceutical Chemistry, Era College of Pharmacy, Era University, Lucknow, India
| | - Prabhjot Singh
- Department of Pharmacology, Era College of Pharmacy, Era University, Lucknow, India
| | - Laiba Rind
- Department of Pharmacology, Era College of Pharmacy, Era University, Lucknow, India
| | - Rajnish Kumar Yadav
- Department of Pharmacology, Era College of Pharmacy, Era University, Lucknow, India
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Bennacef C, Desobry S, Jasniewski J, Leclerc S, Probst L, Desobry-Banon S. Influence of Alginate Properties and Calcium Chloride Concentration on Alginate Bead Reticulation and Size: A Phenomenological Approach. Polymers (Basel) 2023; 15:4163. [PMID: 37896406 PMCID: PMC10610877 DOI: 10.3390/polym15204163] [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: 09/11/2023] [Revised: 10/12/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
Two types of alginates, AlgLF and AlgP, were used in this study to produce alginate beads by electro-vibratory extrusion. AlgLF and AlgP exhibited different Mannuronate/Guluronate (M/G) ratios and molecular weights as measured by NMR and SEC-MALS. The calcium chloride concentration was found to have the greatest effect on bead size. Higher concentrations resulted in smaller beads. AlgLF with a higher molecular weight and a lower proportion of G blocks showed smaller beads. For both alginates, the bead size was also influenced by the flow rate and vibration frequency. Alginate solution aging showed a minimal effect. Alginate reticulation was modeled using a mathematical equation. The study provides insights for the optimization of alginate-based materials in different applications by shedding light on the main factors influencing bead size. The importance of the molecular weight, M/G ratio and calcium ion concentration in the gelling process is highlighted, providing opportunities for the tailoring of alginate materials through a phenomenological model.
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Affiliation(s)
- Chanez Bennacef
- Université de Lorraine, Laboratoire d’Ingénierie des Biomolécules (LIBio), ENSAIA, 54000 Nancy, France; (C.B.); (S.D.); (J.J.)
- Cookal Company, 19 Avenue de la Meurthe, 54320 Maxéville, France;
| | - Stéphane Desobry
- Université de Lorraine, Laboratoire d’Ingénierie des Biomolécules (LIBio), ENSAIA, 54000 Nancy, France; (C.B.); (S.D.); (J.J.)
| | - Jordane Jasniewski
- Université de Lorraine, Laboratoire d’Ingénierie des Biomolécules (LIBio), ENSAIA, 54000 Nancy, France; (C.B.); (S.D.); (J.J.)
| | - Sébastien Leclerc
- Université de Lorraine, CNRS, LEMTA, Faculty of Science and Technology, 54000 Nancy, France;
| | - Laurent Probst
- Cookal Company, 19 Avenue de la Meurthe, 54320 Maxéville, France;
| | - Sylvie Desobry-Banon
- Université de Lorraine, Laboratoire d’Ingénierie des Biomolécules (LIBio), ENSAIA, 54000 Nancy, France; (C.B.); (S.D.); (J.J.)
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