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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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2
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Joyce CM, Gordon EB, McGivney A, Li X, Lim T, Cohen MA, Kaplan DL. Methods to Screen the Adhesion of Fish Cells on Plant-, Algal- and Fungal-Derived Biomaterials. ACS APPLIED MATERIALS & INTERFACES 2024; 16:39969-39980. [PMID: 39024341 DOI: 10.1021/acsami.4c06543] [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: 07/20/2024]
Abstract
Cellular agriculture, an alternative and innovative approach to sustainable food production, has gained momentum in recent years. However, there is limited research into the production of cultivated seafood. Here, we investigated the ability of fish mackerel cells (Scomber scombrus) to adhere to plant, algal and fungal-based biomaterial scaffolds, aiming to optimize the cultivation of fish cells for use in cellular agriculture. A mackerel cell line was utilized, and metabolic assays and confocal imaging were utilized to track cell adhesion, growth, and differentiation on the different biomaterials. The mackerel cells adhered and grew on gelatin (positive control), zein, and soy proteins, as well as on alginate, chitosan, and cellulose polysaccharides. The highest adhesion and growth were on the zein and chitosan substrates, apart from the gelatin control. These findings provide a blueprint to enhance scaffold selection and design, contributing to the broader field of cellular agriculture through the development of scalable and eco-conscious solutions for meeting the growing global demand for seafood.
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Affiliation(s)
- Connor M Joyce
- Biomedical Engineering Department, Tissue Engineering Resource Center, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, United States
| | - Edward B Gordon
- Biomedical Engineering Department, Tissue Engineering Resource Center, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, United States
| | - Aelish McGivney
- Biomedical Engineering Department, Tissue Engineering Resource Center, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, United States
| | - Xinxin Li
- Biomedical Engineering Department, Tissue Engineering Resource Center, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, United States
| | - Taehwan Lim
- Biomedical Engineering Department, Tissue Engineering Resource Center, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, United States
| | - Malkiel A Cohen
- Wanda Fish Technologies LTD, 7 Pinhas Sapir St., Ness Ziona 7403630, Israel
| | - David L Kaplan
- Biomedical Engineering Department, Tissue Engineering Resource Center, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, United States
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3
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Abd-Elghany AE, El-Garhy O, Fatease AA, Alamri AH, Abdelkader H. Enhancing Oral Bioavailability of Simvastatin Using Uncoated and Polymer-Coated Solid Lipid Nanoparticles. Pharmaceutics 2024; 16:763. [PMID: 38931885 PMCID: PMC11206705 DOI: 10.3390/pharmaceutics16060763] [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: 04/22/2024] [Revised: 06/01/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Simvastatin (SVA) is a well-prescribed drug for treating cardiovascular and hypercholesterolemia. Due to the extensive hepatic first-pass metabolism and poor solubility, its oral bioavailability is 5%. Solid lipid nanoparticles (SLNs) and hydrogel-coated SLNs were investigated to overcome the limited bioavailability of SVA. Four different lipids used alone or in combination with two stabilizers were employed to generate 13 SLNs. Two concentrations of chitosan (CS) and alginate (AL) were coating materials. SLNs were studied for particle size, zeta potential, in vitro release, rheology, and bioavailability. The viscosities of both the bare and coated SLNs exhibited shear-thinning behavior. The viscosity of F11 (Chitosan 1%) at 20 and 40 rpm were 424 and 168 cp, respectively. F11 had a particle size of 260.1 ± 3.72 nm with a higher release; the particle size of F11-CS at 1% was 524.3 ± 80.31 nm. In vivo studies illustrated that F11 had the highest plasma concentration when compared with the SVA suspension and coated chitosan (F11 (Chitosan 1%)). Greater bioavailability is measured as (AUC0→24), as compared to uncoated ones. The AUC for F11, F11-CS 1%, and the SVA suspension were 1880.4, 3562.18, and 272 ng·h/mL, respectively. Both bare and coated SLNs exhibited a significantly higher relative bioavailability when compared to that from the control SVA.
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Affiliation(s)
- Amira E. Abd-Elghany
- Department of Pharmaceutics, Faculty of Pharmacy, Minia University, Minia 61519, Egypt; (A.E.A.-E.); (O.E.-G.)
| | - Omar El-Garhy
- Department of Pharmaceutics, Faculty of Pharmacy, Minia University, Minia 61519, Egypt; (A.E.A.-E.); (O.E.-G.)
| | - Adel Al Fatease
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 62223, Saudi Arabia; (A.A.F.); (A.H.A.)
| | - Ali H. Alamri
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 62223, Saudi Arabia; (A.A.F.); (A.H.A.)
| | - Hamdy Abdelkader
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha 62223, Saudi Arabia; (A.A.F.); (A.H.A.)
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Bakhsh EM, Akhtar K, Khan SB, Asiri AM, Kamal T, Bilal M, Khan SA. Silver oxide doped iron oxide/alginate nanocomposite coated cotton cloth for selective catalytic reduction of potassium ferricyanide. CHEMOSPHERE 2024; 355:141743. [PMID: 38513958 DOI: 10.1016/j.chemosphere.2024.141743] [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: 02/23/2023] [Revised: 02/12/2024] [Accepted: 03/16/2024] [Indexed: 03/23/2024]
Abstract
Silver oxide doped iron oxide (Ag2O-Fe2O3) nanocatalyst was prepared and coated on cotton cloth (CC) as well as wrapped in sodium alginate (Alg) hydrogel. Ag2O-Fe2O3 coated CC (Ag2O-Fe2O3/CC) and Ag2O-Fe2O3 wrapped Alg (Ag2O-Fe2O3/Alg) were utilized as catalysts in reduction reaction of 4-nitrophenol (4-NP), congo red (CR), methylene blue (MB) and potassium ferricyanide (K3[Fe(CN)6]). Ag2O-Fe2O3/CC and Ag2O-Fe2O3/Alg were found to be effective and selective catalyst for the reaction of K3[Fe(CN)6]. Further amount of catalyst, K3[Fe(CN)6] quantity, amount of NaBH4, stability of catalyst and recyclability were optimized for the reaction of K3[Fe(CN)6] reduction. Ag2O-Fe2O3/Alg and Ag2O-Fe2O3/CC were appeared to be the stable catalysts by maintaining high activity during recyclability tests showing highest reaction rate constants (kapp) of 0.3472 and 0.5629 min-1, correspondingly. However, Ag2O-Fe2O3/CC can be easily recovered as compared to Ag2O-Fe2O3/Alg by simply removing from the reaction which is the main advantage of Ag2O-Fe2O3/CC. Moreover, Ag2O-Fe2O3/Alg and Ag2O-Fe2O3/CC were also examined in real samples and found useful for K3[Fe(CN)6] reduction involving real samples. The Ag2O-Fe2O3/CC nanocatalyst is a cost and time saving material for economical reduction of K3[Fe(CN)6] and environmental safety.
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Affiliation(s)
- Esraa M Bakhsh
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.
| | - Kalsoom Akhtar
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Sher Bahadar Khan
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Abdullah M Asiri
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Tahseen Kamal
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Muhammad Bilal
- Department of Chemistry, Kohat University of Science and Technology, Kohat, 26000, (Khyber Pakhtunkhwa) , Pakistan
| | - Shahid Ali Khan
- Department of Chemistry, School of Natural Sciences (SNS), National University of Sciences & Technology (NUST), H-12, Islamabad, 44000, Pakistan
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Kavand A, Noverraz F, Gerber-Lemaire S. Recent Advances in Alginate-Based Hydrogels for Cell Transplantation Applications. Pharmaceutics 2024; 16:469. [PMID: 38675129 PMCID: PMC11053880 DOI: 10.3390/pharmaceutics16040469] [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: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
With its exceptional biocompatibility, alginate emerged as a highly promising biomaterial for a large range of applications in regenerative medicine. Whether in the form of microparticles, injectable hydrogels, rigid scaffolds, or bioinks, alginate provides a versatile platform for encapsulating cells and fostering an optimal environment to enhance cell viability. This review aims to highlight recent studies utilizing alginate in diverse formulations for cell transplantation, offering insights into its efficacy in treating various diseases and injuries within the field of regenerative medicine.
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Affiliation(s)
| | | | - Sandrine Gerber-Lemaire
- Group for Functionalized Biomaterials, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland; (A.K.); (F.N.)
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Akshaya S, Nathanael AJ. A Review on Hydrophobically Associated Alginates: Approaches and Applications. ACS OMEGA 2024; 9:4246-4262. [PMID: 38313527 PMCID: PMC10831841 DOI: 10.1021/acsomega.3c08619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/12/2023] [Accepted: 12/13/2023] [Indexed: 02/06/2024]
Abstract
Alginates are linear anionic polysaccharides, which are well-known for their biocompatible, nontoxic, and biodegradable nature. The polymer consists of alternating units of β-(1 → 4)-linked D-mannuronic acid (M) and α-(1 → 4)-linked L-guluronic acid (G) that have hydroxyl and carboxyl groups as the main functional groups. As a large number of free carboxyl and hydroxyl groups are present in the polymeric chain, the polymer is predominantly hydrophilic. The food and pharmaceutical industries have been the most extensive utilizers of alginates to produce gelling and thickening agents. However, by imparting hydrophobicity to alginates, the range of applications can be widened. Although there are reviews on alginate and its chemical modifications, reviews focusing on hydrophobically associated alginates have not been presented. The commonly used chemical modifications to incorporate hydrophobicity include esterification, Ugi reaction, reductive amination, and graft copolymerization. The hydrophobically modified alginates play an important role in delivery of hydrophobic drugs and pesticides as the modification increases the affinity toward hydrophobic components and helps in their sustained release. Due to their nontoxic and edible nature, they find use in the food industry as emulsion stabilizer to stabilize oil-in-water emulsions and to improve creaming ability. Further, alginate-based materials such as membranes, aerogels, and films are hydrophobically modified to improve their functionality and applicability to water treatment and food packaging. This Review aims to highlight the important chemical modifications and methods that are done to impart hydrophobicity to alginate, and the applications of hydrophobically modified alginates in different sectors ranging from drug delivery to food packaging are discussed.
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Affiliation(s)
- Shenbagaraman Akshaya
- Centre
for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India
- School
of Advanced Sciences (SAS), Vellore Institute
of Technology (VIT), Vellore 632014, Tamil Nadu, India
| | - Arputharaj Joseph Nathanael
- Centre
for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India
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Lestari SR, Gofur A, Hartatiek D, Annisa Y, Ramadhani DN, Rahma AN, Aisyah DN, Mufidah IN, Rifqi ND. Characterization and In-vitro Study of Micro-encapsulation Chitosan Alginate of Single-bulb Garlic Extract. Pharm Nanotechnol 2024; 12:155-164. [PMID: 37287295 DOI: 10.2174/2211738511666230607121118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 05/08/2023] [Accepted: 05/12/2023] [Indexed: 06/09/2023]
Abstract
BACKGROUND Single-bulb garlic extract (SBGE) contains more active compounds than regular garlic, but it is unstable and easily degraded in the digestive tract. SBGE is expected to be protected by microencapsulation chitosan-alginate (MCA). OBJECTIVE The present study aimed to characterize and assess the antioxidant activity, hemocompatibility, and toxicity of MCA-SBGE in 3T3-L1 cells. METHODS The research procedures consist of extraction of single bulb garlic, preparation of MCASBGE, Particle Size Analyzer (PSA), FTIR analysis, DPPH assay, hemocompatibility test, and MTT assay. RESULTS The average size of MCA-SGBE was 423.7 ± 2.8 nm, the polydispersity index (PdI) was 0.446 ± 0.022, and the zeta potential was -24.5 ± 0.4 mV. MCA-SGBE was spherical with a diameter range of 0.65-0.9 μm. A shift in absorption and addition of functional groups was found in SBGE after encapsulation. MCA-SBGE, at a concentration of 24 x 103 ppm, has higher antioxidants than SBGE. The hemocompatibility test shows the hemolysis of MCA-SBGE lower than SBGE. MCA-SBGE was not toxic to 3T3-L1 cells with cell viability percentage above 100% at all concentrations. CONCLUSION MCA-SBGE characterization has microparticle criteria with homogeneous PdI values, low particle stability, and spherical morphology. The results showed that SBGE and MCA-SBGE are nonhemolytic, compatible with red blood cells, and non-toxic to 3T3-L1 cells.
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Affiliation(s)
- Sri Rahayu Lestari
- Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, 65145, Malang, East Java, Indonesia
| | - Abdul Gofur
- Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, 65145, Malang, East Java, Indonesia
| | - Dra Hartatiek
- Department of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, 65145, Malang, East Java, Indonesia
| | - Yuslinda Annisa
- Department of Biology, Faculty of Mathematics and Natural Science, Universitas Brawijaya, 65145, Malang, East Java, Indonesia
| | - Dimas Nur Ramadhani
- Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, 65145, Malang, East Java, Indonesia
| | - Amalia Nur Rahma
- Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, 65145, Malang, East Java, Indonesia
| | - Dahniar Nur Aisyah
- Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, 65145, Malang, East Java, Indonesia
| | - Ikfi Nihayatul Mufidah
- Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, 65145, Malang, East Java, Indonesia
| | - Nadiya Dini Rifqi
- Department of Biology, Faculty of Mathematics and Natural Science, Universitas Negeri Malang, 65145, Malang, East Java, Indonesia
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Zarei N, Hassanzadeh-Tabrizi SA. Alginate/hyaluronic acid-based systems as a new generation of wound dressings: A review. Int J Biol Macromol 2023; 253:127249. [PMID: 37802435 DOI: 10.1016/j.ijbiomac.2023.127249] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 10/02/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023]
Abstract
Skin is the largest organ of the human body, which acts as a protective barrier against pathogens. Therefore, a lot of research has been carried out on wound care and healing. Creating an ideal environment for wound healing and optimizing the local and systemic conditions of the patient play critical roles in successful wound care. Many products have been developed for improving the wound environment and providing a protected and moist area for fast healing. However, there is still high demand for new systems with high efficiency. The first generation of wound dressings merely covered the wound, while the subsequent/last generations covered it and aided in healing it in different ways. In modern wound dressings, the kind of used materials and their complexity play a crucial role in the healing process. These new systems support wound healing by lowering inflammation, exudate, slough, and bacteria. This study addresses a review of alginate/hyaluronic acid-based wound dressings developed so far as well as binary and ternary systems and their role in wound healing. Our review corroborates that these systems can open up a new horizon for wounds that do not respond to usual treatments and have a long curing period.
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Affiliation(s)
- Nazanin Zarei
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | - S A Hassanzadeh-Tabrizi
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran.
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Zheng Y, Baidya A, Annabi N. Molecular design of an ultra-strong tissue adhesive hydrogel with tunable multifunctionality. Bioact Mater 2023; 29:214-229. [PMID: 37520304 PMCID: PMC10372327 DOI: 10.1016/j.bioactmat.2023.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 05/15/2023] [Accepted: 06/08/2023] [Indexed: 08/01/2023] Open
Abstract
Designing adhesive hydrogels with optimal properties for the treatment of injured tissues is challenging due to the tradeoff between material stiffness and toughness while maintaining adherence to wet tissue surfaces. In most cases, bioadhesives with improved mechanical strength often lack an appropriate elastic compliance, hindering their application for sealing soft, elastic, and dynamic tissues. Here, we present a novel strategy for engineering tissue adhesives in which molecular building blocks are manipulated to allow for precise control and optimization of the various aforementioned properties without any tradeoffs. To introduce tunable mechanical properties and robust tissue adhesion, the hydrogel network presents different modes of covalent and noncovalent interactions using N-hydroxysuccinimide ester (NHS) conjugated alginate (Alg-NHS), poly (ethylene glycol) diacrylate (PEGDA), tannic acid (TA), and Fe3+ ions. Through combining and tuning different molecular interactions and a variety of crosslinking mechanisms, we were able to design an extremely elastic (924%) and tough (4697 kJ/m3) multifunctional hydrogel that could quickly adhere to wet tissue surfaces within 5 s of gentle pressing and deform to support physiological tissue function over time under wet conditions. While Alg-NHS provides covalent bonding with the tissue surfaces, the catechol moieties of TA molecules synergistically adopt a mussel-inspired adhesive mechanism to establish robust adherence to the wet tissue. The strong adhesion of the engineered bioadhesive patch is showcased by its application to rabbit conjunctiva and porcine cornea. Meanwhile, the engineered bioadhesive demonstrated painless detachable characteristics and in vitro biocompatibility. Additionally, due to the molecular interactions between TA and Fe3+, antioxidant and antibacterial properties required to support the wound healing pathways were also highlighted. Overall, by tuning various molecular interactions, we were able to develop a single-hydrogel platform with an "all-in-one" multifunctionality that can address current challenges of engineering hydrogel-based bioadhesives for tissue repair and sealing.
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Affiliation(s)
- Yuting Zheng
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, United States
| | - Avijit Baidya
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, United States
| | - Nasim Annabi
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, United States
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, United States
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Kim K, Su Y, Kucine AJ, Cheng K, Zhu D. Guided Bone Regeneration Using Barrier Membrane in Dental Applications. ACS Biomater Sci Eng 2023; 9:5457-5478. [PMID: 37650638 DOI: 10.1021/acsbiomaterials.3c00690] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Guided bone regeneration (GBR) is a widely used technique in preclinical and clinical studies due to its predictability. Its main purpose is to prevent the migration of soft tissue into the osseous wound space, while allowing osseous cells to migrate to the site. GBR is classified into two main categories: resorbable and non-resorbable membranes. Resorbable membranes do not require a second surgery but tend to have a short resorption period. Conversely, non-resorbable membranes maintain their mechanical strength and prevent collapse. However, they require removal and are susceptible to membrane exposure. GBR is often used with bone substitute graft materials to fill the defect space and protect the bone graft. The membrane can also undergo various modifications, such as surface modification and biological factor loading, to improve barrier functions and bone regeneration. In addition, bone regeneration is largely related to osteoimmunology, a new field that focuses on the interactions between bone and the immune system. Understanding these interactions can help in developing new treatments for bone diseases and injuries. Overall, GBR has the potential to be a powerful tool in promoting bone regeneration. Further research in this area could lead to advancements in the field of bone healing. This review will highlight resorbable and non-resorbable membranes with cellular responses during bone regeneration, provide insights into immunological response during bone remodeling, and discuss antibacterial features.
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Affiliation(s)
- Kakyung Kim
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Yingchao Su
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Allan J Kucine
- Department of Oral and Maxillofacial Surgery, Stony Brook University, Stony Brook, New York 11794, United States
| | - Ke Cheng
- Department of Biomedical Engineering, Columbia University, New York City, New York 10027, United States
| | - Donghui Zhu
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
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11
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Ji Y, Wang K, Zhao G. Bioinspired Artificial Muscles Based on Sodium Alginate-Wrapped Multi-Walled Carbon Nanotubes and Molybdenum Disulfide Composite Electrode Membrane. Polymers (Basel) 2023; 15:3535. [PMID: 37688161 PMCID: PMC10490135 DOI: 10.3390/polym15173535] [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: 07/20/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 09/10/2023] Open
Abstract
Using a naturally extracted polymer sodium alginate extracted from natural seaweed as the primary raw material, we have successfully developed an electroactive actuator known as biomimetic artificial muscle (BMAM). In comparison to conventional synthetic materials, this BMAM aligns more coherently with the prevailing principles of environmentally friendly development. During the preparation of the BMAM electrode membrane, we employed ultrasonic oscillation to adsorb varying quantities of MoS2 onto a reticulated structure formed by multi-walled carbon nanotubes (MWCNTs), thus enhancing the mechanical and electrochemical performance of the BMAM. Scanning electron microscopy and energy-dispersive X-ray spectroscopy (EDS) confirmed the successful encapsulation of MoS2 by the MWCNTs network in the composite. To measure the output force of the BMAM fabricated with different masses of MoS2 doping, we established a self-built experimental platform and conducted tests on the electrode membranes doped with varying quantities of MoS2 using an electrochemical workstation. The results revealed that the BMAM exhibited optimal mechanical performance when doped with 1.5 g of MoS2, with a maximum output force of 7.81 mN, an output force density of 34.36 mN/g, and a response rate of 0.09 mN/s. These performances were improved by 309%, 276%, and 175%, respectively, compared to the samples without MoS2 doping, with a mass-specific capacitance enhancement of 151%.
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Affiliation(s)
- Yingxin Ji
- College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Keyi Wang
- College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China
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12
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Zhao Z, Hu YP, Liu KY, Yu W, Li GX, Meng CZ, Guo SJ. Recent Development of Self-Powered Tactile Sensors Based on Ionic Hydrogels. Gels 2023; 9:gels9030257. [PMID: 36975706 PMCID: PMC10048595 DOI: 10.3390/gels9030257] [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: 02/18/2023] [Revised: 03/15/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
Abstract
Hydrogels are three-dimensional polymer networks with excellent flexibility. In recent years, ionic hydrogels have attracted extensive attention in the development of tactile sensors owing to their unique properties, such as ionic conductivity and mechanical properties. These features enable ionic hydrogel-based tactile sensors with exceptional performance in detecting human body movement and identifying external stimuli. Currently, there is a pressing demand for the development of self-powered tactile sensors that integrate ionic conductors and portable power sources into a single device for practical applications. In this paper, we introduce the basic properties of ionic hydrogels and highlight their application in self-powered sensors working in triboelectric, piezoionic, ionic diode, battery, and thermoelectric modes. We also summarize the current difficulty and prospect the future development of ionic hydrogel self-powered sensors.
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Affiliation(s)
- Zhen Zhao
- State Key Laboratory for Reliability and Intelligence of Electrical Equipment, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
- Hebei Key Laboratory of Smart Sensing and Human-Robot Interaction, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Yong-Peng Hu
- State Key Laboratory for Reliability and Intelligence of Electrical Equipment, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
- Hebei Key Laboratory of Smart Sensing and Human-Robot Interaction, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Kai-Yang Liu
- State Key Laboratory for Reliability and Intelligence of Electrical Equipment, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
- Hebei Key Laboratory of Smart Sensing and Human-Robot Interaction, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Wei Yu
- State Key Laboratory for Reliability and Intelligence of Electrical Equipment, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
- Hebei Key Laboratory of Smart Sensing and Human-Robot Interaction, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Guo-Xian Li
- State Key Laboratory for Reliability and Intelligence of Electrical Equipment, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
- Hebei Key Laboratory of Smart Sensing and Human-Robot Interaction, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Chui-Zhou Meng
- State Key Laboratory for Reliability and Intelligence of Electrical Equipment, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
- Hebei Key Laboratory of Smart Sensing and Human-Robot Interaction, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Shi-Jie Guo
- State Key Laboratory for Reliability and Intelligence of Electrical Equipment, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
- Hebei Key Laboratory of Smart Sensing and Human-Robot Interaction, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China
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13
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Nimbalkar Y, Gharat SA, Tanna V, Nikam VS, Nabar S, Sawarkar SP. Modification and Functionalization of Polymers for Targeting to Bone Cancer and Bone Regeneration. Crit Rev Biomed Eng 2023; 51:21-58. [PMID: 37560878 DOI: 10.1615/critrevbiomedeng.2023043780] [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: 08/11/2023]
Abstract
Bone is one of the most complex, inaccessible body structures, responsible for calcium storage and haematopoiesis. The second highest cause of death across the world is cancer. Amongst all the types of cancers, bone cancer treatment modalities are limited due to the structural complexity and inaccessibility of bones. The worldwide incidence of bone diseases and bone defects due to cancer, infection, trauma, age-related bone degeneration is increasing. Currently different conventional therapies are available for bone cancer such as chemotherapy, surgery and radiotherapy, but they have several disadvantages associated with them. Nanomedicine is being extensively researched as viable therapeutics to mitigate drug resistance in cancer therapy and promote bone regeneration. Several natural polymers such as chitosan, dextran, alginate, hyaluronic acid, and synthetic polymers like polyglycolic acid, poly(lactic-co-glycolic acid), polycaprolactone are investigated for their application in nanomedicine for bone cancer treatment and bone regeneration. Nanocarriers have shown promising results in preclinical experimental studies. However, they still face a major drawback of inadequate targetability. The paper summarizes the status of research and the progress made so far in modifications and functionalization of natural polymers for improving their site specificity and targeting for effective treatment of bone cancer and enhancing bone regeneration.
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Affiliation(s)
- Yogesh Nimbalkar
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Vile Parle West, Mumbai 400056 India
| | - Sankalp A Gharat
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Vile Parle West, Mumbai 400056 India
| | - Vidhi Tanna
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Vile Parle West, Mumbai 400056 India
| | - Vandana S Nikam
- Department of Pharmacology, STES's Smt. Kashibai Navale College of Pharmacy, Kondhwa, S.P. Pune University, Pune 411048, India
| | - Swapna Nabar
- Radiation Medicine Centre, Tata Memorial Hospital, Parel, Mumbai, India
| | - Sujata P Sawarkar
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, University of Mumbai, Vile Parle West, Mumbai 400056 India
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14
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Boddu A, Obireddy SR, Zhang D, Rao KSVK, Lai WF. ROS-generating, pH-responsive and highly tunable reduced graphene oxide-embedded microbeads showing intrinsic anticancer properties and multi-drug co-delivery capacity for combination cancer therapy. Drug Deliv 2022; 29:2481-2490. [PMID: 35912830 PMCID: PMC9347472 DOI: 10.1080/10717544.2022.2100512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The development of effective carriers enabling combination cancer therapy is of practical importance due to its potential to enhance the effectiveness of cancer treatment. However, most of the reported carriers are monofunctional in nature. The carriers that can be applied to concomitantly mediate multiple treatment modalities are highly deficient. This study fills this gap by reporting the design and fabrication of ROS-generating carbohydrate-based pH-responsive beads with intrinsic anticancer therapy and multidrug co-delivery capacity for combination cancer therapy. Sodium alginate (SA) microspheres and reduced graphene oxide (rGO)-embedded chitosan (CS) beads are developed via emulsion-templated ionic gelation for a combination therapy involving co-delivery of curcumin (CUR) and 5-fluororacil (5-FU). Drug-encapsulated microbeads are characterized by FTIR, DSC, TGA, XRD, and SEM. 5-FU and CUR-encapsulated microbeads are subjected to in vitro drug release studies at pH 6.8 and 1.2 at 37 °C. Various release kinetic parameters are evaluated. The results show that the Korsmeyer-Peppas model and non-Fickian release kinetics are best suited. The microspheres and microbeads are found to effectively act against MCF7 cells and show intrinsic anticancer capacity. These results indicate the promising performance of our beads in mediating combination drug therapy to improve the effectiveness of cancer treatment.
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Affiliation(s)
- Adilakshmi Boddu
- Polymer Biomaterial Design and Synthesis Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa, India
| | - Sreekanth Reddy Obireddy
- Department of Chemistry, Sri Krishnadeveraya University, Anantapuramu, India.,Department of Urology, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Zhejiang, China
| | - Dahong Zhang
- Department of Urology, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Zhejiang, China
| | - K S V Krishna Rao
- Polymer Biomaterial Design and Synthesis Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa, India
| | - Wing-Fu Lai
- Department of Urology, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Zhejiang, China.,Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong, China
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15
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Varaprasad K, Karthikeyan C, Yallapu MM, Sadiku R. The significance of biomacromolecule alginate for the 3D printing of hydrogels for biomedical applications. Int J Biol Macromol 2022; 212:561-578. [DOI: 10.1016/j.ijbiomac.2022.05.157] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/09/2022] [Accepted: 05/22/2022] [Indexed: 12/16/2022]
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16
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Tissue engineering approaches for the in vitro production of spermatids to treat male infertility: A review. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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17
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Tie S, Tan M. Current Advances in Multifunctional Nanocarriers Based on Marine Polysaccharides for Colon Delivery of Food Polyphenols. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:903-915. [PMID: 35072455 DOI: 10.1021/acs.jafc.1c05012] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Inflammatory bowel disease (IBD) has been considered as a chronic disease that is difficult to cure and needs lifelong treatment. Marine polysaccharides with good biocompatibility and biodegradability, mucoadhesion, sensitivity to external stimuli, and targeting ability can be used as wall materials for oral colon-targeted delivery of polyphenols in nutrition intervention of IBD. This manuscript reviewed the latest progress in the design, preparation, and characterization of marine polysaccharides-derived multifunctional nanocarriers for polyphenol colon delivery. Chitosan, sodium alginate, chondroitin sulfate, and hyaluronic acid were discussed in the preparation of polyphenol delivery systems. The design strategy, synthesis methods, and structure characterization of multifunctional polyphenol carriers including stimuli-responsive nanocarriers, mucoadhesive and mucus-penetrating nanocarriers, colon targeted nanocarriers, and bioactive compounds codelivery nanocarriers were reviewed in the alleviation of IBD. The research perspectives in the preparation and characterization of delivery carriers using marine polysaccharide as materials were proposed for their potential application in food bioactive components.
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Affiliation(s)
- Shanshan Tie
- Academy of Food Interdisciplinary Science, School of Food Science and Technology, Dalian Polytechnic University, Qinggongyuan1, Ganjingzi District, Dalian 116034, Liaoning, China
- National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, Liaoning, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, Liaoning, China
| | - Mingqian Tan
- Academy of Food Interdisciplinary Science, School of Food Science and Technology, Dalian Polytechnic University, Qinggongyuan1, Ganjingzi District, Dalian 116034, Liaoning, China
- National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, Liaoning, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, Liaoning, China
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18
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Al Monla R, Dassouki Z, Sari-Chmayssem N, Mawlawi H, Gali-Muhtasib H. Fucoidan and Alginate from the Brown Algae Colpomenia sinuosa and Their Combination with Vitamin C Trigger Apoptosis in Colon Cancer. Molecules 2022; 27:358. [PMID: 35056673 PMCID: PMC8777791 DOI: 10.3390/molecules27020358] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/02/2022] [Accepted: 01/04/2022] [Indexed: 01/22/2023] Open
Abstract
Brown seaweeds are producers of bioactive molecules which are known to inhibit oncogenic growth. Here, we investigated the antioxidant, cytotoxic, and apoptotic effects of two polysaccharides from the brown algae Colpomenia sinuosa, namely fucoidan and alginate, in a panel of cancer cell lines and evaluated their effects when combined with vitamin C. Fucoidan and alginate were isolated from brown algae and characterized by HPLC, FTIR, and NMR spectroscopy. The results indicated that highly sulfated fucoidans had higher antioxidant and cytotoxic effects than alginate. Human colon cancer cells were the most sensitive to the algal treatments, with fucoidan having an IC50 value (618.9 µg/mL-1) lower than that of alginate (690 µg/mL-1). The production of reactive oxygen species was increased upon treatment of HCT-116 cells with fucoidan and alginate, which suggest that these compounds may trigger cell death via oxidative damage. The combination of fucoidan with vitamin C showed enhanced effects compared to treatment with fucoidan alone, as evidenced by the significant inhibitory effects on HCT-116 colon cancer cell viability. The combination of the algal polysaccharides with vitamin C caused enhanced degeneration in the nuclei of cells, as evidenced by DAPI staining and increased the subG1 population, suggesting the induction of cell death. Together, these results suggest that fucoidan and alginate from the brown algae C. sinuosa are promising anticancer compounds, particularly when used in combination with vitamin C.
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Affiliation(s)
- Reem Al Monla
- AZM Center for Research in Biotechnology and Its Applications, Laboratory of Applied Biotechnology (LBA3B), Doctoral School for Sciences and Technology, Lebanese University, Tripoli 1300, Lebanon; (R.A.M.); (Z.D.); (N.S.-C.); (H.M.)
| | - Zeina Dassouki
- AZM Center for Research in Biotechnology and Its Applications, Laboratory of Applied Biotechnology (LBA3B), Doctoral School for Sciences and Technology, Lebanese University, Tripoli 1300, Lebanon; (R.A.M.); (Z.D.); (N.S.-C.); (H.M.)
| | - Nouha Sari-Chmayssem
- AZM Center for Research in Biotechnology and Its Applications, Laboratory of Applied Biotechnology (LBA3B), Doctoral School for Sciences and Technology, Lebanese University, Tripoli 1300, Lebanon; (R.A.M.); (Z.D.); (N.S.-C.); (H.M.)
| | - Hiba Mawlawi
- AZM Center for Research in Biotechnology and Its Applications, Laboratory of Applied Biotechnology (LBA3B), Doctoral School for Sciences and Technology, Lebanese University, Tripoli 1300, Lebanon; (R.A.M.); (Z.D.); (N.S.-C.); (H.M.)
| | - Hala Gali-Muhtasib
- Department of Biology, American University of Beirut, Riad El Solh, Beirut 1107 2020, Lebanon
- Center for Drug Discovery, American University of Beirut, Riad El Solh, Beirut 1107 2020, Lebanon
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19
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Hall YD, Uzoewulu CP, Nizam ZM, Ishizawa S, El-Shaffey HM, Ohata J. Phosphine-mediated three-component bioconjugation of amino- and azidosaccharides in ionic liquids. Chem Commun (Camb) 2022; 58:10568-10571. [DOI: 10.1039/d2cc04013a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bioconjugation of carbohydrates has been a challenging task because of their chemical, functional, and structural diversities, and no single chemical modification tool can be universally applicable to all the target substrates in different environments.
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Affiliation(s)
- Yvonne D. Hall
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina, 27695, USA
| | - Chiamaka P. Uzoewulu
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina, 27695, USA
| | - Zeinab M. Nizam
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina, 27695, USA
| | - Seiya Ishizawa
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina, 27695, USA
| | - Hisham M. El-Shaffey
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina, 27695, USA
| | - Jun Ohata
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina, 27695, USA
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20
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Hernández‐Arriaga AM, Campano C, Rivero‐Buceta V, Prieto MA. When microbial biotechnology meets material engineering. Microb Biotechnol 2022; 15:149-163. [PMID: 34818460 PMCID: PMC8719833 DOI: 10.1111/1751-7915.13975] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 11/03/2021] [Indexed: 12/12/2022] Open
Abstract
Bacterial biopolymers such as bacterial cellulose (BC), alginate or polyhydroxyalkanotes (PHAs) have aroused the interest of researchers in many fields, for instance biomedicine and packaging, due to their being biodegradable, biocompatible and renewable. Their properties can easily be tuned by means of microbial biotechnology strategies combined with materials science. This provides them with highly diverse properties, conferring them non-native features. Herein we highlight the enormous structural diversity of these macromolecules, how are they produced, as well as their wide range of potential applications in our daily lives. The emergence of new technologies, such as synthetic biology, enables the creation of next-generation-advanced materials presenting smart functional properties, for example the ability to sense and respond to stimuli as well as the capacity for self-repair. All this has given rise to the recent emergence of biohybrid materials, in which a synthetic component is brought to life with living organisms. Two different subfields have recently garnered particular attention: hybrid living materials (HLMs), such as encapsulation or bioprinting, and engineered living materials (ELMs), in which the material is created bottom-up with the use of microbial biotechnology tools. Early studies showed the strong potential of alginate and PHAs as HLMs, whilst BC constituted the most currently promising material for the creation of ELMs.
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Affiliation(s)
- Ana M. Hernández‐Arriaga
- Polymer Biotechnology Group, Department of Plant and Microbial BiotechnologyBiological Research Centre Margarita SalasSpanish National Research Council (CIB‐CSIC)MadridSpain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy‐CSIC (SusPlast‐CSIC)MadridSpain
| | - Cristina Campano
- Polymer Biotechnology Group, Department of Plant and Microbial BiotechnologyBiological Research Centre Margarita SalasSpanish National Research Council (CIB‐CSIC)MadridSpain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy‐CSIC (SusPlast‐CSIC)MadridSpain
| | - Virginia Rivero‐Buceta
- Polymer Biotechnology Group, Department of Plant and Microbial BiotechnologyBiological Research Centre Margarita SalasSpanish National Research Council (CIB‐CSIC)MadridSpain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy‐CSIC (SusPlast‐CSIC)MadridSpain
| | - M. Auxiliadora Prieto
- Polymer Biotechnology Group, Department of Plant and Microbial BiotechnologyBiological Research Centre Margarita SalasSpanish National Research Council (CIB‐CSIC)MadridSpain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy‐CSIC (SusPlast‐CSIC)MadridSpain
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21
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Alginate Modification and Lectin-Conjugation Approach to Synthesize the Mucoadhesive Matrix. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app112411818] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Alginates are natural anionic polyelectrolytes investigated in various biomedical applications, such as drug delivery, tissue engineering, and 3D bioprinting. Functionalization of alginates is one possible way to provide a broad range of requirements for those applications. A range of techniques, including esterification, amidation, acetylation, phosphorylation, sulfation, graft copolymerization, and oxidation and reduction, have been implemented for this purpose. The rationale behind these investigations is often the combination of such modified alginates with different molecules. Particularly promising are lectin conjugate macromolecules for lectin-mediated drug delivery, which enhance the bioavailability of active ingredients on a specific site. Most interesting for such application are alginate derivatives, because these macromolecules are more resistant to acidic and enzymatic degradation. This review will report recent progress in alginate modification and conjugation, focusing on alginate-lectin conjugation, which is proposed as a matrix for mucoadhesive drug delivery and provides a new perspective for future studies with these conjugation methods.
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22
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Skrzypczak D, Jarzembowski Ł, Izydorczyk G, Mikula K, Hoppe V, Mielko KA, Pudełko-Malik N, Młynarz P, Chojnacka K, Witek-Krowiak A. Hydrogel Alginate Seed Coating as an Innovative Method for Delivering Nutrients at the Early Stages of Plant Growth. Polymers (Basel) 2021; 13:polym13234233. [PMID: 34883735 PMCID: PMC8659867 DOI: 10.3390/polym13234233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 11/25/2021] [Accepted: 11/29/2021] [Indexed: 12/27/2022] Open
Abstract
Seed coating containing fertilizer nutrients and plant growth biostimulants is an innovative technique for precision agriculture. Nutrient delivery can also be conducted through multilayer seed coating. For this purpose, sodium alginate with NPK, which was selected in a preliminary selection study, crosslinked with divalent ions (Cu(II), Mn(II), Zn(II)) as a source of fertilizer micronutrients, was used to produce seed coating. The seeds were additionally coated with a solution containing amino acids derived from high-protein material. Amino acids can be obtained by alkaline hydrolysis of mealworm larvae (Gly 71.2 ± 0.6 mM, Glu 55.8 ± 1.3 mM, Pro 48.8 ± 1.5 mM, Ser 31.4 ± 1.5 mM). The formulations were applied in different doses per 100 g of seeds: 35 mL, 70 mL, 105 mL, and 140 mL. SEM-EDX surface analysis showed that 70 mL of formulation/100 g of seeds formed a continuity of coatings but did not result in a uniform distribution of components on the surface. Extraction tests proved simultaneous low leaching of nutrients into water (max. 10%), showing a slow release pattern. There occurred high bioavailability of fertilizer nutrients (even up to 100%). Pot tests on cucumbers (Cornichon de Paris) confirmed the new method’s effectiveness, yielding a 50% higher fresh sprout weight and four times greater root length than uncoated seeds. Seed coating with hydrogel has a high potential for commercial application, stimulating the early growth of plants and thus leading to higher crop yields.
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Affiliation(s)
- Dawid Skrzypczak
- Department of Advanced Material Technologies, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland; (Ł.J.); (G.I.); (K.M.); (K.C.); (A.W.-K.)
- Correspondence:
| | - Łukasz Jarzembowski
- Department of Advanced Material Technologies, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland; (Ł.J.); (G.I.); (K.M.); (K.C.); (A.W.-K.)
| | - Grzegorz Izydorczyk
- Department of Advanced Material Technologies, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland; (Ł.J.); (G.I.); (K.M.); (K.C.); (A.W.-K.)
| | - Katarzyna Mikula
- Department of Advanced Material Technologies, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland; (Ł.J.); (G.I.); (K.M.); (K.C.); (A.W.-K.)
| | - Viktoria Hoppe
- Center for Advanced Manufacturing Technologies (CAMT), Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Łukasiewicza 5, 50-371 Wrocław, Poland;
| | - Karolina Anna Mielko
- Department of Biochemistry, Molecular Biology and Biotechnology, Faculty of Chemistry, Wrocław University of Science and Technology, Łukasiewicza 2, 50-371 Wrocław, Poland; (K.A.M.); (N.P.-M.); (P.M.)
| | - Natalia Pudełko-Malik
- Department of Biochemistry, Molecular Biology and Biotechnology, Faculty of Chemistry, Wrocław University of Science and Technology, Łukasiewicza 2, 50-371 Wrocław, Poland; (K.A.M.); (N.P.-M.); (P.M.)
| | - Piotr Młynarz
- Department of Biochemistry, Molecular Biology and Biotechnology, Faculty of Chemistry, Wrocław University of Science and Technology, Łukasiewicza 2, 50-371 Wrocław, Poland; (K.A.M.); (N.P.-M.); (P.M.)
| | - Katarzyna Chojnacka
- Department of Advanced Material Technologies, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland; (Ł.J.); (G.I.); (K.M.); (K.C.); (A.W.-K.)
| | - Anna Witek-Krowiak
- Department of Advanced Material Technologies, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland; (Ł.J.); (G.I.); (K.M.); (K.C.); (A.W.-K.)
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23
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Tibi F, Charfi A, Cho J, Kim J. Effect of interactions between ammonium and organic fouling simulated by sodium alginate on performance of direct contact membrane distillation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119551] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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24
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Sood A, Gupta A, Agrawal G. Recent advances in polysaccharides based biomaterials for drug delivery and tissue engineering applications. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2021. [DOI: 10.1016/j.carpta.2021.100067] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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25
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Maity C, Das N. Alginate-Based Smart Materials and Their Application: Recent Advances and Perspectives. Top Curr Chem (Cham) 2021; 380:3. [PMID: 34812965 DOI: 10.1007/s41061-021-00360-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 11/03/2021] [Indexed: 12/14/2022]
Abstract
Nature produces materials using available molecular building blocks following a bottom-up approach. These materials are formed with great precision and flexibility in a controlled manner. This approach offers the inspiration for manufacturing new artificial materials and devices. Synthetic artificial materials can find many important applications ranging from personalized therapeutics to solutions for environmental problems. Among these materials, responsive synthetic materials are capable of changing their structure and/or properties in response to external stimuli, and hence are termed "smart" materials. Herein, this review focuses on alginate-based smart materials and their stimuli-responsive preparation, fragmentation, and applications in diverse fields from drug delivery and tissue engineering to water purification and environmental remediation. In the first part of this report, we review stimuli-induced preparation of alginate-based materials. Stimuli-triggered decomposition of alginate materials in a controlled fashion is documented in the second part, followed by the application of smart alginate materials in diverse fields. Because of their biocompatibility, easy accessibility, and simple techniques of material formation, alginates can provide solutions for several present and future problems of humankind. However, new research is needed for novel alginate-based materials with new functionalities and well-defined properties for targeted applications.
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Affiliation(s)
- Chandan Maity
- Department of Chemistry, School of Advanced Science (SAS), Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632014, India.
| | - Nikita Das
- Department of Chemistry, School of Advanced Science (SAS), Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632014, India
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26
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Functional role of crosslinking in alginate scaffold for drug delivery and tissue engineering: A review. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110807] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Zhang Y, Mo Y, Vincent T, Faur C, Guibal E. Boosted Cr(VI) sorption coupled reduction from aqueous solution using quaternized algal/alginate@PEI beads. CHEMOSPHERE 2021; 281:130844. [PMID: 34022599 DOI: 10.1016/j.chemosphere.2021.130844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 04/07/2021] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
APEI beads (algal/alginate-PEI) were quaternized for enhancing the sorption of Cr(VI) (Q-APEI). The readily reduction of Cr(VI) into Cr(III) in acidic solution and in the presence of organic material constitute an additional phenomenon to be taken into account for the removal of Cr(VI) by Q-APEI. The optimal pH value for both the sorption and reduction of Cr(VI) was close to 2. The sorption isotherm was well described by the Sips model in batch system; the experimental maximum Cr(VI) sorption capacity of Q-APEI was 334 mg Cr(VI) g-1, including a reduction yield close to 25%. The pseudo-second-order kinetic model (PSORE) and the Yan model fit the uptake kinetics and breakthrough curves, in a fixed-bed system with circulation or single-path modes, respectively. The mechanism of reduction-assisted sorption allows boosting the global removal of chromate. Furthermore, the testing of Cr(VI) for three successive sorption and desorption cycles shows the remarkable stability of the sorbent for Cr(VI) removal. The Cr(VI) sorption coupled reduction mechanism and interactions between the sorbent and Cr(VI) were further explained using Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS).
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Affiliation(s)
- Yue Zhang
- PCH, IMT Mines Ales, 6, Avenue de Clavières, 30319, Alès Cedex, France; IEM, Institut Européen des Membranes, Univ. Montpellier, CNRS, ENSCM, 300 Avenue Du Prof. Emile Jeanbrau, 34090, Montpellier, France.
| | - Yayuan Mo
- PCH, IMT Mines Ales, 6, Avenue de Clavières, 30319, Alès Cedex, France; IEM, Institut Européen des Membranes, Univ. Montpellier, CNRS, ENSCM, 300 Avenue Du Prof. Emile Jeanbrau, 34090, Montpellier, France.
| | - Thierry Vincent
- PCH, IMT Mines Ales, 6, Avenue de Clavières, 30319, Alès Cedex, France.
| | - Catherine Faur
- IEM, Institut Européen des Membranes, Univ. Montpellier, CNRS, ENSCM, 300 Avenue Du Prof. Emile Jeanbrau, 34090, Montpellier, France.
| | - Eric Guibal
- PCH, IMT Mines Ales, 6, Avenue de Clavières, 30319, Alès Cedex, France.
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28
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Foster NC, Allen P, El Haj AJ, Grover LM, Moakes RJA. Tailoring Therapeutic Responses via Engineering Microenvironments with a Novel Synthetic Fluid Gel. Adv Healthc Mater 2021; 10:e2100622. [PMID: 34160135 DOI: 10.1002/adhm.202100622] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/31/2021] [Indexed: 12/28/2022]
Abstract
This study reports the first fully synthetic fluid gel (SyMGels) using a simple poly(ethylene glycol) polymer. Fluid gels are an interesting class of materials: structured during gelation via shear-confinement to form microparticulate suspensions, through a bottom-up approach. Structuring in this way, when compared to first forming a gel and subsequently breaking it down, results in the formation of a particulate dispersion with particles "grown" in the shear flow. Resultantly, systems form a complex microstructure, where gelled particles concentrate remaining non-gelled polymer within the continuous phase, creating an amorphous-like interstitial phase. As such, these materials demonstrate mechanical characteristics typical of colloidal glasses, presenting solid-like behaviors at rest with defined yielding; likely through intrinsic particle-particle and particle-polymer interactions. To date, fluid gels have been fabricated using polysaccharides with relatively complex chemistries, making further modifications challenging. SyMGels are easily functionalised, using simple click-chemistry. This chemical flexibility, allows the creation of microenvironments with discrete biological decoration. Cellular control is demonstrated using MSC (mesenchymal stem cells)/chondrocytes and enables the regulation of key biomarkers such as aggrecan and SOX9. These potential therapeutic platforms demonstrate an important advancement in the biomaterial field, underpinning the mechanisms which drive their mechanical properties, and providing a versatile delivery system for advanced therapeutics.
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Affiliation(s)
- Nicola C Foster
- Healthcare Technologies Institute, University of Birmingham, Birmingham, B15 2TT, UK
| | - Piers Allen
- Healthcare Technologies Institute, University of Birmingham, Birmingham, B15 2TT, UK
| | - Alicia J El Haj
- Healthcare Technologies Institute, University of Birmingham, Birmingham, B15 2TT, UK
| | - Liam M Grover
- Healthcare Technologies Institute, University of Birmingham, Birmingham, B15 2TT, UK
| | - Richard J A Moakes
- Healthcare Technologies Institute, University of Birmingham, Birmingham, B15 2TT, UK
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29
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Türkoğlu GC, Sarıışık M, Karavana SY, Aydın Köse F. Production of wheat germ oil containing multilayer hydrogel dressing. Carbohydr Polym 2021; 269:118287. [PMID: 34294313 DOI: 10.1016/j.carbpol.2021.118287] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 05/26/2021] [Accepted: 05/30/2021] [Indexed: 01/30/2023]
Abstract
A composite wound dressing has been developed by combining different layers consisting of polymers and textiles. Wheat germ oil (WGO) loaded hydrogels have successfully formed on textile nonwovens by cross-linking sodium alginate (SA) with poly(ethylene glycol) diglycidyl ether (PEGDGE). Following freeze-drying, textile-hydrogel composites have been examined according to their physical properties, pH, fluid handling capacity, water vapour permeability, morphology, chemical structure, and cytotoxicity. Hydrogels containing WGO swelled less than pristine hydrogels. Samples with 1% WGO and no WGO showed swelling of 5.9 and 10.5 g/g after 8 h. WGO inclusion resulted in reduced, but more stable fluid handling properties, with more uniform pore distribution (100-200 μm). Moreover, the proliferation of NIH/3T3 cells significantly improved with 1% WGO contained hydrogels. Also, commercial self-adhesive dressings that secure the hydrogels to the wound area were investigated regarding transfer properties. The proposed product demonstrated 8.05 cm3/cm2/s and 541.37 g/m2/day air and water vapour permeability.
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Affiliation(s)
- Gizem Ceylan Türkoğlu
- Department of Textile Engineering, Faculty of Engineering, Dokuz Eylül University, İzmir, Turkey; Graduate School of Natural and Applied Sciences, Dokuz Eylül University, İzmir, Turkey.
| | - Merih Sarıışık
- Department of Textile Engineering, Faculty of Engineering, Dokuz Eylül University, İzmir, Turkey.
| | - Sinem Yaprak Karavana
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Ege University, İzmir, Turkey.
| | - Fadime Aydın Köse
- Department of Biochemistry, Faculty of Pharmacy, İzmir Katip Çelebi University, İzmir, Turkey.
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30
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Sasaki JI, Abe GL, Li A, Thongthai P, Tsuboi R, Kohno T, Imazato S. Barrier membranes for tissue regeneration in dentistry. Biomater Investig Dent 2021; 8:54-63. [PMID: 34104896 PMCID: PMC8158285 DOI: 10.1080/26415275.2021.1925556] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 04/29/2021] [Indexed: 12/14/2022] Open
Abstract
Background: In dentistry, barrier membranes are used for guided tissue regeneration (GTR) and guided bone regeneration (GBR). Various membranes are commercially available and extensive research and development of novel membranes have been conducted. In general, membranes are required to provide barrier function, biosafety, biocompatibility and appropriate mechanical properties. In addition, membranes are expected to be bioactive to promote tissue regeneration. Objectives: This review aims to organize the fundamental characteristics of the barrier membranes that are available and studied for dentistry, based on their components. Results: The principal components of barrier membranes are divided into nonbiodegradable and biodegradable materials. Nonbiodegradable membranes are manufactured from synthetic polymers, metals or composites of these materials. The first reported barrier membrane was made from expanded polytetrafluoroethylene (e-PTFE). Titanium has also been applied for dental regenerative therapy and shows favorable barrier function. Biodegradable membranes are mainly made from natural and synthetic polymers. Collagens are popular materials that are processed for clinical use by cross-linking. Aliphatic polyesters and their copolymers have been relatively recently introduced into GTR and GBR treatments. In addition, to improve the tissue regenerative function and mechanical strength of biodegradable membranes, inorganic materials such as calcium phosphate and bioactive glass have been incorporated at the research stage. Conclusions: Currently, there are still insufficient guidelines for barrier membrane choice in GTR and GBR, therefore dentists are required to understand the characteristics of barrier membranes.
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Affiliation(s)
- Jun-Ichi Sasaki
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Gabriela L. Abe
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Aonan Li
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Pasiree Thongthai
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Ririko Tsuboi
- Department of Advanced Functional Materials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Tomoki Kohno
- Department of Advanced Functional Materials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Satoshi Imazato
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
- Department of Advanced Functional Materials Science, Osaka University Graduate School of Dentistry, Suita, Japan
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Omer AM, Ahmed MS, El-Subruiti GM, Khalifa RE, Eltaweil AS. pH-Sensitive Alginate/Carboxymethyl Chitosan/Aminated Chitosan Microcapsules for Efficient Encapsulation and Delivery of Diclofenac Sodium. Pharmaceutics 2021; 13:338. [PMID: 33807967 PMCID: PMC7998679 DOI: 10.3390/pharmaceutics13030338] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/25/2021] [Accepted: 03/01/2021] [Indexed: 12/22/2022] Open
Abstract
To develop an effective pH-sensitive drug carrier, alginate (Alg), carboxymethyl chitosan (CMCs), and aminated chitosan (AmCs) derivatives were employed in this study. A simple ionic gelation technique was employed to formulate Alg-CMCs@AmCs dual polyelectrolyte complexes (PECs) microcapsules as a pH-sensitive carrier for efficient encapsulation and release of diclofenac sodium (DS) drug. The developed microcapsules were characterized by Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analyzer (TGA), and scanning electron microscope (SEM). The results clarified that formation of dual PECs significantly protected Alg microcapsules from rapid disintegration at colon conditions (pH 7.4), and greatly reduced their porosity. In addition, the dual PECs microcapsules can effectively encapsulate 95.4% of DS-drug compared to 86.3 and 68.6% for Alg and Alg-CMCs microcapsules, respectively. Higher DS-release values were achieved in simulated colonic fluid [SCF; pH 7.4] compared to those obtained in simulated gastric fluid [SGF; pH 1.2]. Moreover, the drug burst release was prevented and a sustained DS-release was achieved as the AmCs concentration increased. The results confirmed also that the developed microcapsules were biodegradable in the presence of the lysozyme enzyme. These findings emphasize that the formulated pH-sensitive microcapsules could be applied for the delivery of diclofenac sodium.
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Affiliation(s)
- Ahmed M. Omer
- Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria 21934, Egypt;
| | - Maha S. Ahmed
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426 Ibrahimia, Alexandria 21321, Egypt; (M.S.A.); (G.M.E.-S.)
| | - Gehan M. El-Subruiti
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426 Ibrahimia, Alexandria 21321, Egypt; (M.S.A.); (G.M.E.-S.)
| | - Randa E. Khalifa
- Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria 21934, Egypt;
| | - Abdelazeem S. Eltaweil
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426 Ibrahimia, Alexandria 21321, Egypt; (M.S.A.); (G.M.E.-S.)
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Huamani-Palomino RG, Córdova BM, Pichilingue L. ER, Venâncio T, Valderrama AC. Functionalization of an Alginate-Based Material by Oxidation and Reductive Amination. Polymers (Basel) 2021; 13:polym13020255. [PMID: 33466684 PMCID: PMC7828833 DOI: 10.3390/polym13020255] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/03/2021] [Accepted: 01/05/2021] [Indexed: 01/28/2023] Open
Abstract
This research focused on the synthesis of a functional alginate-based material via chemical modification processes with two steps: oxidation and reductive amination. In previous alginate functionalization with a target molecule such as cysteine, the starting material was purified and characterized by UV-Vis, 1H-NMR and HSQC. Additionally, the application of FT-IR techniques during each step of alginate functionalization was very useful, since new bands and spiked signals around the pyranose ring (1200–1000 cm−1) and anomeric region (1000–750 cm−1) region were identified by a second derivative. Additionally, the presence of C1-H1 of β-D-mannuronic acid residue as well as C1-H1 of α-L-guluronic acid residue was observed in the FT-IR spectra, including a band at 858 cm−1 with characteristics of the N-H moiety from cysteine. The possibility of attaching cysteine molecules to an alginate backbone by oxidation and post-reductive amination processes was confirmed through 13C-NMR in solid state; a new peak at 99.2 ppm was observed, owing to a hemiacetal group formed in oxidation alginate. Further, the peak at 31.2 ppm demonstrates the presence of carbon -CH2-SH in functionalized alginate—clear evidence that cysteine was successfully attached to the alginate backbone, with 185 μmol of thiol groups per gram polymer estimated in alginate-based material by UV-Visible. Finally, it was observed that guluronic acid residue of alginate are preferentially more affected than mannuronic acid residue in the functionalization.
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Affiliation(s)
- Ronny G. Huamani-Palomino
- Laboratorio de Investigación en Biopolímeros y Metalofármacos, Facultad de Ciencias, Escuela Profesional de Química, Universidad Nacional de Ingeniería, Av. Túpac Amaru 210, Lima 15333, Peru;
- Correspondence: (R.G.H.-P.); (A.C.V.)
| | - Bryan M. Córdova
- Laboratorio de Investigación en Biopolímeros y Metalofármacos, Facultad de Ciencias, Escuela Profesional de Química, Universidad Nacional de Ingeniería, Av. Túpac Amaru 210, Lima 15333, Peru;
| | - Elvis Renzo Pichilingue L.
- Facultad de Ciencias, Escuela de Química, Universidad Nacional de Ingeniería. Av. Túpac Amaru 210, Lima 15333, Peru;
| | - Tiago Venâncio
- Laboratório de Ressonância Magnética Nuclear, Departamento de Química, Universidade Federal de Sao Carlos, São Carlos 13565-905, São Paulo, Brazil;
| | - Ana C. Valderrama
- Laboratorio de Investigación en Biopolímeros y Metalofármacos, Facultad de Ciencias, Escuela Profesional de Química, Universidad Nacional de Ingeniería, Av. Túpac Amaru 210, Lima 15333, Peru;
- Correspondence: (R.G.H.-P.); (A.C.V.)
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Córdova BM, Venâncio T, Olivera M, Huamani-Palomino RG, Valderrama AC. Xanthation of alginate for heavy metal ions removal. Characterization of xanthate-modified alginates and its metal derivatives. Int J Biol Macromol 2020; 169:130-142. [PMID: 33296691 DOI: 10.1016/j.ijbiomac.2020.12.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 12/19/2022]
Abstract
Xanthates are widely used in mining industry as collectors for its high affinity towards metal sulfides and precious metal ores. The possibility of using alginate for xanthation has not been explored yet despite the feasibility by the presence of hydroxyl groups alongside the polymeric chains. Therefore, this work aims to evaluate the alginate as a matrix for xanthation and its application on heavy metal ions removal. In order to obtain green materials, important pararmeter were explored such as the effect of reaction time (4-12 h), type of base (NaOH/KOH) and amount of carbon disulfide (2-10%v/v). Xanthated alginates were analyzed by NMR techniques and evidence of β-elimination was detected at 5.45 ppm. Furthermore, the presence of S element was confirmed by EDS mapping technique, while XRD showed a semi-crystalline structure. On the other hand, the chemical shifts of δ(C=S) and ν(C=S) bands were found around 863-805 cm-1 and 662-602 cm-1 respectively. Also, a shoulder at 182 ppm is appreciated by NMR in solid state attributed to CS group. According to FESEM analyses, morphology of xanthated alginates is affected by interaction with heavy metal ions. Finally, suitable materials for the removal of heavy metal ions were established at optimum pH values.
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Affiliation(s)
- Bryan M Córdova
- Laboratorio de Investigación en Biopolímeros y Metalofármacos, Facultad de Ciencias, Escuela Profesional de Química, Universidad Nacional de Ingeniería, Av. Túpac Amaru 210, Lima 25, Peru.
| | - Tiago Venâncio
- Laboratório de Ressonância Magnética Nuclear, Departamento de Química, Universidade Federal de São Carlos, São Paulo CP 676, 13565-905 São Carlos, São Paulo, Brazil
| | - Michael Olivera
- Facultad de Ciencias, Escuela de Química, Universidad Nacional de Ingeniería. Av. Túpac Amaru 210, Lima 25, Peru
| | - Ronny G Huamani-Palomino
- Laboratorio de Investigación en Biopolímeros y Metalofármacos, Facultad de Ciencias, Escuela Profesional de Química, Universidad Nacional de Ingeniería, Av. Túpac Amaru 210, Lima 25, Peru
| | - A C Valderrama
- Laboratorio de Investigación en Biopolímeros y Metalofármacos, Facultad de Ciencias, Escuela Profesional de Química, Universidad Nacional de Ingeniería, Av. Túpac Amaru 210, Lima 25, Peru.
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Lauer MK, Smith RC. Recent advances in starch‐based films toward food packaging applications: Physicochemical, mechanical, and functional properties. Compr Rev Food Sci Food Saf 2020; 19:3031-3083. [DOI: 10.1111/1541-4337.12627] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 07/30/2020] [Accepted: 08/02/2020] [Indexed: 01/08/2023]
Affiliation(s)
- Moira K. Lauer
- Department of Chemistry Clemson University Clemson South Carolina USA
| | - Rhett C. Smith
- Department of Chemistry Clemson University Clemson South Carolina USA
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35
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Szabó L, Noverraz F, Gerber‐Lemaire S. Multicomponent Alginate‐Derived Hydrogel Microspheres Presenting Hybrid Ionic‐Covalent Network and Drug Eluting Properties. Helv Chim Acta 2020. [DOI: 10.1002/hlca.202000115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Luca Szabó
- Institute of Chemical Sciences and Engineering, Group for Functionalized Biomaterials Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC SCI-SB-SG Station 6 CH-1015 Lausanne Switzerland
| | - François Noverraz
- Institute of Chemical Sciences and Engineering, Group for Functionalized Biomaterials Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC SCI-SB-SG Station 6 CH-1015 Lausanne Switzerland
| | - Sandrine Gerber‐Lemaire
- Institute of Chemical Sciences and Engineering, Group for Functionalized Biomaterials Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC SCI-SB-SG Station 6 CH-1015 Lausanne Switzerland
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