1
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Mahajan P, Bera MB, Panesar PS, Foujdar R. Thermodynamic and network characteristics of optimized lysine-modified kutki (Panicum sumatrense) millet starch hydrogels. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2024; 61:1743-1757. [PMID: 39049916 PMCID: PMC11263305 DOI: 10.1007/s13197-024-05953-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 01/18/2024] [Accepted: 02/18/2024] [Indexed: 07/27/2024]
Abstract
Three-dimensional polymeric network of hydrogels avoids its dissolution into the aqueous region. Hydrogels must have strong structural integrity to be used for drug/nutraceutical delivery. A three factor-three-level Box-Behnken design was used to understand the effects of starch concentration, NaCl, and pH on the textural and structural integrity of Lysine modified kutki millet starch hydrogels. Various kinetic models were fitted to the time-course measurement of shrinkage behavior of both conventionally (CDHG) and freeze-dried (FDHG) hydrogel. Increasing the swelling temperature (5-50 °C) showed values of higher molecular weight of polymer chains between neighboring crosslinks ( M c ) ¯ (g/mol) for FDHG (9539.59-56,769.72) than CDHG (1096.28-11,420.48). Similarly, mesh size (ξ) was more for FDHG (38.63-109.53 Ȧ) than CDHG (10.97-42.74 Ȧ). However, other network parameters such as polymer volume fraction ( ∅ p ) was lower for FDHG (0.229-0.146) than CDHG (0.3882-0.222). These values suggest low swelling power of CDHG compared to FDHG. Thermodynamically, FDHG took less energy to swell than CDHG. The study showed that FDHG has better properties than CDHG and could be employed in nutraceutical delivery. Supplementary Information The online version contains supplementary material available at 10.1007/s13197-024-05953-x.
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Affiliation(s)
- Palak Mahajan
- Present Address: Department of Biotechnology Engineering and Food Technology, University Institute of Engineering (UIE), Chandigarh University, Gharuan, Mohali, Punjab 140413 India
| | - Manab Bandhu Bera
- Department of Food Engineering and Technology, Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur, Punjab 148106 India
| | - Parmjit Singh Panesar
- Department of Food Engineering and Technology, Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur, Punjab 148106 India
| | - Rimpi Foujdar
- Department of Food Engineering and Technology, Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur, Punjab 148106 India
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2
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Kashi M, Nazarpak MH, Nourmohammadi J, Moztarzadeh F. Study the effect of different concentrations of polydopamine as a secure and bioactive crosslinker on dual crosslinking of oxidized alginate and gelatin wound dressings. Int J Biol Macromol 2024:134199. [PMID: 39069056 DOI: 10.1016/j.ijbiomac.2024.134199] [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: 12/02/2023] [Revised: 07/09/2024] [Accepted: 07/25/2024] [Indexed: 07/30/2024]
Abstract
Alginate hydrogels are commonly used in wound care due to their ability to maintain a moist environment, absorb fluids, and aid wound healing. However, their stability and mechanical properties can sometimes limit their effectiveness. This study explores a new approach by creating a dual network system of oxidized alginate and gelatin hydrogel crosslinked with polydopamine in a single step, with the goal of improving the mechanical properties of these hydrogels. The unique aspect of this research is the comprehensive examination of different polydopamine concentrations in dual crosslinking systems. First, alginate was modified with sodium periodate to create additional active groups on its backbone, and various polydopamine concentrations were then tested to assess their impact on the dual crosslinking network and hydrogel properties. The study involved a range of tests, including FTIR, H-NMR, SEM, gelation time, rheology, adhesion, antioxidant activity, swelling ratio, weight loss, drug release, and cell viability. The addition of polydopamine was found to enhance the crosslinking density (0.859 × 109 mol.cm-3). Additionally, the results indicated improvements in properties such as reduced weight loss, enhanced antioxidant and adhesive qualities, and better mechanical properties (2240 kPa). However, the optimal concentration of polydopamine must be determined to achieve the best properties for a wound dressing. Excessive polydopamine can increase the space between polymer chains, leading to a reduction in crosslinking density and storage modulus. Nevertheless, it can also increase the swelling ratio, degradation rate, pore size, porosity, antioxidant activity, and dopamine release. Therefore, identifying the optimal concentration for a functional hydrogel is crucial. Notably, the hydrogel containing 0.5 mg.mL-1 polydopamine exhibited outstanding cell viability (108 % on the third day), swelling capacity (480 %), storage modulus (2240 kPa), gelation time (3 min), antioxidant activity (42.27 %), and skin adherence (11 kPa), making it an optimal choice for advanced wound management. According to the findings, it is emphasized that the application of this particular hydrogel expedites wound healing, as indicated by wound closure and histological studies. ABBREVIATIONS.
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Affiliation(s)
- Mana Kashi
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran Polytechnic, Iran
| | - Masoumeh Haghbin Nazarpak
- New Technologies Research Center (NTRC), Amirkabir University of Technology, Tehran Pochronichnic, Iran.
| | - Jhamak Nourmohammadi
- School of Life Sciences Engineering, College of Interdisciplinary Sciences and Technologies, University of Tehran, Tehran, Iran.
| | - Fathollah Moztarzadeh
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran Polytechnic, Iran
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3
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Nguyen CT, Chow SKK, Nguyen HN, Liu T, Walls A, Withey S, Liebig P, Mueller M, Thierry B, Yang CT, Huang CJ. Formation of Zwitterionic and Self-Healable Hydrogels via Amino-yne Click Chemistry for Development of Cellular Scaffold and Tumor Spheroid Phantom for MRI. ACS APPLIED MATERIALS & INTERFACES 2024; 16:36157-36167. [PMID: 38973633 PMCID: PMC11261563 DOI: 10.1021/acsami.4c06917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/21/2024] [Accepted: 07/01/2024] [Indexed: 07/09/2024]
Abstract
In situ-forming biocompatible hydrogels have great potential in various medical applications. Here, we introduce a pH-responsive, self-healable, and biocompatible hydrogel for cell scaffolds and the development of a tumor spheroid phantom for magnetic resonance imaging. The hydrogel (pMAD) was synthesized via amino-yne click chemistry between poly(2-methacryloyloxyethyl phosphorylcholine-co-2-aminoethylmethacrylamide) and dialkyne polyethylene glycol. Rheology analysis, compressive mechanical testing, and gravimetric analysis were employed to investigate the gelation time, mechanical properties, equilibrium swelling, and degradability of pMAD hydrogels. The reversible enamine and imine bond mechanisms leading to the sol-to-gel transition in acidic conditions (pH ≤ 5) were observed. The pMAD hydrogel demonstrated potential as a cellular scaffold, exhibiting high viability and NIH-3T3 fibroblast cell encapsulation under mild conditions (37 °C, pH 7.4). Additionally, the pMAD hydrogel also demonstrated the capability for in vitro magnetic resonance imaging of glioblastoma tumor spheroids based on the chemical exchange saturation transfer effect. Given its advantages, the pMAD hydrogel emerges as a promising material for diverse biomedical applications, including cell carriers, bioimaging, and therapeutic agent delivery.
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Affiliation(s)
- Cao Tuong
Vi Nguyen
- Department
of Chemical & Materials Engineering, National Central University, Jhong-Li, Taoyuan 320, Taiwan
| | - Steven Kwok Keung Chow
- Clinical
Research and Imaging Centre, South Australian
Health and Medical Research Institute, Adelaide 5001, Australia
| | - Hoang Nam Nguyen
- Department
of Chemical & Materials Engineering, National Central University, Jhong-Li, Taoyuan 320, Taiwan
| | - Tesi Liu
- Future
Industries Institute, University of South
Australia, Mawson Lakes Campus, Adelaide, SA 5095, Australia
| | - Angela Walls
- Clinical
Research and Imaging Centre, South Australian
Health and Medical Research Institute, Adelaide 5001, Australia
| | | | | | - Marco Mueller
- Advanced
Clinical Imaging Technology, Siemens Healthineers International AG, Lausanne 1000, Switzerland
| | - Benjamin Thierry
- Future
Industries Institute, University of South
Australia, Mawson Lakes Campus, Adelaide, SA 5095, Australia
| | - Chih-Tsung Yang
- Future
Industries Institute, University of South
Australia, Mawson Lakes Campus, Adelaide, SA 5095, Australia
| | - Chun-Jen Huang
- Department
of Chemical & Materials Engineering, National Central University, Jhong-Li, Taoyuan 320, Taiwan
- R&D
Center for Membrane Technology, Chung Yuan
Christian University, 200 Chung Pei Road, Chung-Li City 32023, Taiwan
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4
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Vallier T, Nuernberg RB, Issa S, Ferrandis JL, Stievano L, Ameduri B, Lapinte V, Monconduit L. Understanding Na + Diffusion, Physicochemical Behavior, and Electrochemical Performance of a Gel Polymer Electrolyte. ACS APPLIED MATERIALS & INTERFACES 2024; 16:29077-29086. [PMID: 38771667 DOI: 10.1021/acsami.3c19106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
Gel polymer electrolytes (GPEs) represent a credible alternative to organic liquid electrolytes (LEs) for safer sodium metal batteries. As a compromise between solid polymer electrolytes and LEs, GPEs ensure a good ionic conductivity, improve the electrolyte/electrode interface, and prevent solvent leaks. Herein, a GPE based on acrylate-bifunctionalized polyethylene glycol chains mixed with an ether solvent (TEGDME) and a polyethylene glycol diacrylate (PEG600DA) in a 50/50 wt % ratio was prepared by ultraviolet photopolymerization. Sodium bis(fluorosulfonyl)imide salt (NaFSI) was added at different concentrations to study its interactions with the solvent and/or the cross-linked polymer. Infrared spectroscopy, thermogravimetric analysis, differential scanning calorimetry, and swelling ratio characterizations were combined to determine the physicochemical properties of the GPE. Complementary characterizations including electrochemical impedance spectroscopy, chronopotentiometry, and cyclic voltammetry allowed correlating the physicochemical properties of the GPE to its electrochemical performance. Then, improvements were obtained by careful combination of its components. The cross-linking agent allowed us to obtain a polymer matrix that traps the organic solvent and prevents leakage. Such a solvent inclusion reduces the rigidity of the membrane and lowers its viscosity, offering a room temperature ionic conductivity of 4.8 × 10-4 Ω-1 cm-1. The control of polymer's tortuosity leads to a stable cycling vs sodium metal over several hundred hours without increase of the polarization. Finally, optimization of the salt loading plays a major role in electrostatic cross-linking, leading to an improvement of the mechanical properties of the GPE without reducing its conductivity.
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Affiliation(s)
- Théo Vallier
- ICGM, Univ. Montpellier, CNRS, ENSCM, 1919 route de Mende, Montpellier 34293, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS, 15 rue Baudelocque, Amiens 80000, France
| | - Rafael Bianchini Nuernberg
- ICGM, Univ. Montpellier, CNRS, ENSCM, 1919 route de Mende, Montpellier 34293, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS, 15 rue Baudelocque, Amiens 80000, France
| | - Sébastien Issa
- PELLENC Energy S.A.S, Quartier Notre Dame, Route de Cavaillon, Pertuis 84120, France
| | - Jean-Louis Ferrandis
- PELLENC Energy S.A.S, Quartier Notre Dame, Route de Cavaillon, Pertuis 84120, France
| | - Lorenzo Stievano
- ICGM, Univ. Montpellier, CNRS, ENSCM, 1919 route de Mende, Montpellier 34293, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS, 15 rue Baudelocque, Amiens 80000, France
| | - Bruno Ameduri
- ICGM, Univ. Montpellier, CNRS, ENSCM, 1919 route de Mende, Montpellier 34293, France
| | - Vincent Lapinte
- ICGM, Univ. Montpellier, CNRS, ENSCM, 1919 route de Mende, Montpellier 34293, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS, 15 rue Baudelocque, Amiens 80000, France
| | - Laure Monconduit
- ICGM, Univ. Montpellier, CNRS, ENSCM, 1919 route de Mende, Montpellier 34293, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS, 15 rue Baudelocque, Amiens 80000, France
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5
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Sulistiawati S, Kristina Enggi C, Wiyulanda Iskandar I, Rachmad Saputra R, Sartini S, Rifai Y, Rahman L, Aswad M, Dian Permana A. Bioavailability enhancement of sildenafil citrate via hydrogel-forming microneedle strategy in combination with cyclodextrin complexation. Int J Pharm 2024; 655:124053. [PMID: 38537922 DOI: 10.1016/j.ijpharm.2024.124053] [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: 11/06/2023] [Revised: 03/03/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024]
Abstract
Sildenafil citrate (SIL) as a first-line treatment for erectile dysfunction is currently reported to have poor solubility and bioavailability. Moreover, SIL undergoes first-pass metabolism when taken orally and its injection can lead to discomfort. In this study, we introduce a novel transdermal delivery system that integrates hydrogel-forming microneedles with the inclusion complex tablet reservoir. The hydrogel-forming microneedle was prepared from a mixture of polymers and crosslinkers through a crosslinking process. Importantly, the formulations showed high swelling capacity (>400 %) and exhibited adequate mechanical and penetration properties (needle height reduction < 10 %), penetrating up to five layers of Parafilm® M (assessed to reach the dermis layer). Furthermore, to improve the solubility of SIL in the reservoir, the SIL was pre-complexed with β-cyclodextrin. Molecular docking analysis showed that SIL was successfully encapsulated into the β-cyclodextrin cavity and was the most suitable conformation compared to other CD derivatives. Moreover, to maximize SIL delivery, sodium starch glycolate was also added to the reservoir formulation. As a proof of concept, in vivo studies demonstrated the effectiveness of this concept, resulting in a significant increase in AUC (area under the curve) compared to that obtained after administration of pure SIL oral suspension, inclusion complex, and Viagra® with relative bioavailability > 100 %. Therefore, the approach developed in this study could potentially increase the efficacy of SIL in treating erectile dysfunction by being non-invasive, safe, avoiding first-pass metabolism, and increasing drug bioavailability.
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Affiliation(s)
| | | | | | - Rizki Rachmad Saputra
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Palangka Raya, Central Kalimantan 73111, Indonesia
| | - Sartini Sartini
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Yusnita Rifai
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Latifah Rahman
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Muhammad Aswad
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia
| | - Andi Dian Permana
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Indonesia.
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6
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Yang Y, Xiao Y, Wu X, Deng J, Wei R, Liu A, Chai H, Wang R. Microgel-Crosslinked Thermo-Responsive Hydrogel Actuators with High Mechanical Properties and Rapid Response. Macromol Rapid Commun 2024; 45:e2300643. [PMID: 38225681 DOI: 10.1002/marc.202300643] [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: 11/08/2023] [Revised: 12/23/2023] [Indexed: 01/17/2024]
Abstract
Smart hydrogels responsive to external stimuli are promising for various applications such as soft robotics and smart devices. High mechanical strength and fast response rate are particularly important for the construction of hydrogel actuators. Herein, tough hydrogels with rapid response rates are synthesized using vinyl-functionalized poly(N-isopropylacrylamide) (PNIPAM) microgels as macro-crosslinkers and N-isopropylacrylamide as monomers. The compression strength of the obtained PNIPAM hydrogels is up to 7.13 MPa. The response rate of the microgel-crosslinked hydrogels is significantly enhanced compared with conventional chemically crosslinked PNIPAM hydrogels. The mechanical strength and response rate of hydrogels can be adjusted by varying the proportion of monomers and crosslinkers. The lower critical solution temperature (LCST) of the PNIPAM hydrogels could be tuned by copolymerizing with ionic monomer sodium methacrylate. Thermo-responsive bilayer hydrogels are fabricated using PINPAM hydrogels with different LCSTs via a layer-by-layer method. The thermo-responsive fast swelling and shrinking properties of the two layers endow the bilayer hydrogel with anisotropic structures and asymmetric response characteristics, allowing the hydrogel to respond rapidly. The bilayer hydrogels are fabricated into clamps to grab small objects and flowers that mimicked the closure of petals, and it shows great application prospects in the field of actuators.
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Affiliation(s)
- Yanyu Yang
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315300, P. R. China
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo, 315300, P. R. China
| | - Ying Xiao
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo, 315300, P. R. China
| | - Xiang Wu
- Ningbo Medical Center Li Huili Hospital, Health Science Center, Ningbo University, Ningbo, 315000, P. R. China
| | - Junjie Deng
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315300, P. R. China
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo, 315300, P. R. China
| | - Rufang Wei
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315300, P. R. China
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo, 315300, P. R. China
| | - Ashuang Liu
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315300, P. R. China
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo, 315300, P. R. China
| | - Haiyang Chai
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315300, P. R. China
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo, 315300, P. R. China
| | - Rong Wang
- Cixi Biomedical Research Institute, Wenzhou Medical University, Zhejiang, 315300, P. R. China
- Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- Ningbo Cixi Institute of Biomedical Engineering, Ningbo, 315300, P. R. China
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7
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Cecone C, Hoti G, Caldera F, Ginepro M, Matencio A, Trotta F. Evaluation of the Swelling Properties and Sorption Capacity of Maltodextrin-Based Cross-Linked Polymers. Gels 2024; 10:232. [PMID: 38667651 PMCID: PMC11049296 DOI: 10.3390/gels10040232] [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: 02/29/2024] [Revised: 03/21/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024] Open
Abstract
The development of polymers obtained from renewable sources such as polysaccharides has gained scientific and industrial attention. Cross-linked bio-derived cationic polymers were synthesized via a sustainable approach exploiting a commercial maltodextrin product, namely, Glucidex 2®, as the building block, while diglycidyl ethers and triglycidyl ethers were used as the cross-linking agents. The polymer products were characterized via FTIR-ATR, TGA, DSC, XRD, SEM, elemental analysis, and zeta-potential measurements, to investigate their composition, structure, and properties. Polydispersed amorphous granules displaying thermal stabilities higher than 250 °C, nitrogen contents ranging from 0.8 wt % and 1.1 wt %, and zeta potential values between 10 mV and 15 mV were observed. Subsequently, water absorption capacity measurements ranging from 800% to 1500%, cross-linking density determination, and rheological evaluations demonstrated the promising gel-forming properties of the studied systems. Finally, nitrate, sulfate, and phosphate removal tests were performed to assess the possibility of employing the studied polymer products as suitable sorbents for water remediation. The results obtained from the ion chromatography technique showed high sorption rates, with 80% of nitrates, over 90% of sulfates, and total phosphates removal.
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Affiliation(s)
- Claudio Cecone
- Department of Chemistry, Nanomaterials for Industry and Sustainability Centre (NIS Centre), Università degli Studi di Torino, Via P. Giuria 7, 10125 Turin, Italy; (G.H.); (F.C.); (M.G.); (A.M.); (F.T.)
| | - Gjylije Hoti
- Department of Chemistry, Nanomaterials for Industry and Sustainability Centre (NIS Centre), Università degli Studi di Torino, Via P. Giuria 7, 10125 Turin, Italy; (G.H.); (F.C.); (M.G.); (A.M.); (F.T.)
- Department of Drug Science and Technology, Università degli Studi di Torino, Via P. Giuria 9, 10125 Turin, Italy
| | - Fabrizio Caldera
- Department of Chemistry, Nanomaterials for Industry and Sustainability Centre (NIS Centre), Università degli Studi di Torino, Via P. Giuria 7, 10125 Turin, Italy; (G.H.); (F.C.); (M.G.); (A.M.); (F.T.)
| | - Marco Ginepro
- Department of Chemistry, Nanomaterials for Industry and Sustainability Centre (NIS Centre), Università degli Studi di Torino, Via P. Giuria 7, 10125 Turin, Italy; (G.H.); (F.C.); (M.G.); (A.M.); (F.T.)
| | - Adrián Matencio
- Department of Chemistry, Nanomaterials for Industry and Sustainability Centre (NIS Centre), Università degli Studi di Torino, Via P. Giuria 7, 10125 Turin, Italy; (G.H.); (F.C.); (M.G.); (A.M.); (F.T.)
| | - Francesco Trotta
- Department of Chemistry, Nanomaterials for Industry and Sustainability Centre (NIS Centre), Università degli Studi di Torino, Via P. Giuria 7, 10125 Turin, Italy; (G.H.); (F.C.); (M.G.); (A.M.); (F.T.)
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8
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Viola M, Ainsworth MJ, Mihajlovic M, Cedillo-Servin G, van Steenbergen MJ, van Rijen M, de Ruijter M, Castilho M, Malda J, Vermonden T. Covalent Grafting of Functionalized MEW Fibers to Silk Fibroin Hydrogels to Obtain Reinforced Tissue Engineered Constructs. Biomacromolecules 2024; 25:1563-1577. [PMID: 38323427 PMCID: PMC10934835 DOI: 10.1021/acs.biomac.3c01147] [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: 10/23/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 02/08/2024]
Abstract
Hydrogels are ideal materials to encapsulate cells, making them suitable for applications in tissue engineering and regenerative medicine. However, they generally do not possess adequate mechanical strength to functionally replace human tissues, and therefore they often need to be combined with reinforcing structures. While the interaction at the interface between the hydrogel and reinforcing structure is imperative for mechanical function and subsequent biological performance, this interaction is often overlooked. Melt electrowriting enables the production of reinforcing microscale fibers that can be effectively integrated with hydrogels. Yet, studies on the interaction between these micrometer scale fibers and hydrogels are limited. Here, we explored the influence of covalent interfacial interactions between reinforcing structures and silk fibroin methacryloyl hydrogels (silkMA) on the mechanical properties of the construct and cartilage-specific matrix production in vitro. For this, melt electrowritten fibers of a thermoplastic polymer blend (poly(hydroxymethylglycolide-co-ε-caprolactone):poly(ε-caprolactone) (pHMGCL:PCL)) were compared to those of the respective methacrylated polymer blend pMHMGCL:PCL as reinforcing structures. Photopolymerization of the methacrylate groups, present in both silkMA and pMHMGCL, was used to generate hybrid materials. Covalent bonding between the pMHMGCL:PCL blend and silkMA hydrogels resulted in an elastic response to the application of torque. In addition, an improved resistance was observed to compression (∼3-fold) and traction (∼40-55%) by the scaffolds with covalent links at the interface compared to those without these interactions. Biologically, both types of scaffolds (pHMGCL:PCL and pMHMGCL:PCL) showed similar levels of viability and metabolic activity, also compared to frequently used PCL. Moreover, articular cartilage progenitor cells embedded within the reinforced silkMA hydrogel were able to form a cartilage-like matrix after 28 days of in vitro culture. This study shows that hybrid cartilage constructs can be engineered with tunable mechanical properties by grafting silkMA hydrogels covalently to pMHMGCL:PCL blend microfibers at the interface.
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Affiliation(s)
- Martina Viola
- Department
of Pharmaceutical Sciences, Division of Pharmaceutics, Utrecht Institute
for Pharmaceutical Sciences (UIPS), Utrecht
University, 3508 TB Utrecht, The Netherlands
- Department
of Orthopedics, University Medical Centre
Utrecht, 3584 CT Utrecht, The Netherlands
| | - Madison J. Ainsworth
- Department
of Orthopedics, University Medical Centre
Utrecht, 3584 CT Utrecht, The Netherlands
| | - Marko Mihajlovic
- Department
of Pharmaceutical Sciences, Division of Pharmaceutics, Utrecht Institute
for Pharmaceutical Sciences (UIPS), Utrecht
University, 3508 TB Utrecht, The Netherlands
| | - Gerardo Cedillo-Servin
- Department
of Orthopedics, University Medical Centre
Utrecht, 3584 CT Utrecht, The Netherlands
- Department
of Biomedical Engineering, Technical University
of Eindhoven, 5612 AE Eindhoven, The Netherlands
| | - Mies J. van Steenbergen
- Department
of Pharmaceutical Sciences, Division of Pharmaceutics, Utrecht Institute
for Pharmaceutical Sciences (UIPS), Utrecht
University, 3508 TB Utrecht, The Netherlands
| | - Mattie van Rijen
- Department
of Orthopedics, University Medical Centre
Utrecht, 3584 CT Utrecht, The Netherlands
| | - Mylène de Ruijter
- Department
of Orthopedics, University Medical Centre
Utrecht, 3584 CT Utrecht, The Netherlands
- Department
Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, 3584
CS Utrecht, The Netherlands
| | - Miguel Castilho
- Department
of Biomedical Engineering, Technical University
of Eindhoven, 5612 AE Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Jos Malda
- Department
of Orthopedics, University Medical Centre
Utrecht, 3584 CT Utrecht, The Netherlands
- Department
Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, 3584
CS Utrecht, The Netherlands
| | - Tina Vermonden
- Department
of Pharmaceutical Sciences, Division of Pharmaceutics, Utrecht Institute
for Pharmaceutical Sciences (UIPS), Utrecht
University, 3508 TB Utrecht, The Netherlands
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9
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Locarno S, Arosio P, Curtoni F, Piazzoni M, Pignoli E, Gallo S. Microscopic and Macroscopic Characterization of Hydrogels Based on Poly(vinyl-alcohol)-Glutaraldehyde Mixtures for Fricke Gel Dosimetry. Gels 2024; 10:172. [PMID: 38534590 DOI: 10.3390/gels10030172] [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: 01/17/2024] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/28/2024] Open
Abstract
In recent decades, hydrogels have emerged as innovative soft materials with widespread applications in the medical and biomedical fields, including drug delivery, tissue engineering, and gel dosimetry. In this work, a comprehensive study of the macroscopic and microscopic properties of hydrogel matrices based on Poly(vinyl-alcohol) (PVA) chemically crosslinked with Glutaraldehyde (GTA) was reported. Five different kinds of PVAs differing in molecular weight and degree of hydrolysis were considered. The local microscopic organization of the hydrogels was studied through the use of the 1H nuclear magnetic resonance relaxometry technique. Various macroscopic properties (gel fraction, water loss, contact angle, swelling degree, viscosity, and Young's Modulus) were investigated with the aim of finding a correlation between them and the features of the hydrogel matrix. Additionally, an optical characterization was performed on all the hydrogels loaded with Fricke solution to assess their dosimetric behavior. The results obtained indicate that the degree of PVA hydrolysis is a crucial parameter influencing the structure of the hydrogel matrix. This factor should be considered for ensuring stability over time, a vital property in the context of potential biomedical applications where hydrogels act as radiological tissue-equivalent materials.
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Affiliation(s)
- Silvia Locarno
- Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Via G. Celoria 16, 20133 Milano, Italy
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Milano, Via G. Celoria 16, 20133 Milano, Italy
| | - Paolo Arosio
- Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Via G. Celoria 16, 20133 Milano, Italy
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Milano, Via G. Celoria 16, 20133 Milano, Italy
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 20133 Milano, Italy
| | - Francesca Curtoni
- Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Via G. Celoria 16, 20133 Milano, Italy
| | - Marco Piazzoni
- Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Via G. Celoria 16, 20133 Milano, Italy
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Milano, Via G. Celoria 16, 20133 Milano, Italy
| | - Emanuele Pignoli
- Fondazione IRCCS "Istituto Nazionale dei Tumori", Via G. Venezian 1, 20133 Milano, Italy
| | - Salvatore Gallo
- Dipartimento di Fisica "Aldo Pontremoli", Università degli Studi di Milano, Via G. Celoria 16, 20133 Milano, Italy
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Milano, Via G. Celoria 16, 20133 Milano, Italy
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 20133 Milano, Italy
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10
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Sakunpongpitiporn P, Morarad R, Naeowong W, Niamlang S, Sirivat A. Poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) as an insulin carrier in silk fibroin hydrogels for transdermal delivery via iontophoresis. RSC Adv 2024; 14:1549-1562. [PMID: 38179091 PMCID: PMC10763702 DOI: 10.1039/d3ra06857a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/16/2023] [Indexed: 01/06/2024] Open
Abstract
In this study, silk fibroin (SF) was utilized as the starting material to fabricate physically crosslinked hydrogels. Poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) was synthesized and characterized as a drug carrier, with insulin as the model drug. PEDOT:PSS, with a high electrical conductivity of 1666 ± 49 S cm-1, interacted with insulin molecules via electrostatic interaction by replacing the dopant PSS molecules. Insulin-loaded PEDOT:PSS embedded in the SF hydrogel resulted in an increase in the degree of swelling, pore size, and mesh size of the hydrogel. In the in vitro release and release-permeation experiments, the amounts of insulin release and release-permeation were investigated using a modified Franz diffusion cell, under the effects of SF concentrations, electric fields, and pH values. The amounts of insulin release and release-permeation from the pristine SF hydrogel and the PEDOT:PSS/SF hydrogel followed the power laws with the scaling exponents close to 0.5, indicating the Fickian diffusion or the concentration gradient. Under electric fields, with or without PEDOT:PSS used as the drug carrier, the insulin amount and diffusion coefficient were shown to increase with the increasing electric field due to the electro-repulsive forces between the cathode and insulin molecules and SF chains, electroosmosis, and SF matrix swelling. The SF hydrogel and PEDOT:PSS as the drug carrier are demonstrated herein as new components in the transdermal delivery system for the iontophoretically controlled insulin basal release applicable to diabetes patients.
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Affiliation(s)
- Phimchanok Sakunpongpitiporn
- The Conductive and Electroactive Polymers Research Unit, The Petroleum and Petrochemical College, Chulalongkorn University Bangkok 10330 Thailand
| | - Rawita Morarad
- The Conductive and Electroactive Polymers Research Unit, The Petroleum and Petrochemical College, Chulalongkorn University Bangkok 10330 Thailand
| | - Witthawat Naeowong
- Division of Perioperative and Ambulatory Medicine, Department of Medicine, Faculty of Medicine, Chulalongkorn University Bangkok 10330 Thailand
| | - Sumonman Niamlang
- Department of Materials and Metallurgical Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi Pathumthani 12110 Thailand
| | - Anuvat Sirivat
- The Conductive and Electroactive Polymers Research Unit, The Petroleum and Petrochemical College, Chulalongkorn University Bangkok 10330 Thailand
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11
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Salem YY, Hoti G, Sammour RMF, Caldera F, Cecone C, Matencio A, Shahiwala AF, Trotta F. Preparation and evaluation of βcyclodextrin-based nanosponges loaded with Budesonide for pulmonary delivery. Int J Pharm 2023; 647:123529. [PMID: 37858636 DOI: 10.1016/j.ijpharm.2023.123529] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 10/21/2023]
Abstract
Budesonide (BUD) is a glucocorticosteroid used to treat chronic obstructive pulmonary disease. Despite this, it is a hydrophobic compound with low bioavailability. To address these hurdles, non-toxic and biocompatible βcyclodextrin-based nanosponges (βCD-NS) were attempted. BUD was loaded on five different βCD-NS at four different ratios. NS with 1,1'-carbonyldiimidazole (CDI) as a crosslinking agent, presented a higher encapsulation efficiency ( ̴ 80%) of BUD at 1:3 BUD: βCD-NS ratio (BUD-βCD-NS). The optimized formulations were characterized by Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), water absorption capacity (WAC), scanning electron microscopy (SEM), X-ray powder diffraction studies (XRD), particle size, zeta potential, encapsulation efficiency, in vitro and in vivo release studies, acute toxicity study, solid-state characterization, and aerosol performance. In vitro-in vivo correlation and cytotoxicity of the formulations on alveolar cells in vitro were further determined. In vitro and in vivo studies showed almost complete drug release and drug absorption from the lungs in the initial 2 h for pure BUD, which were sustained up to 12 h from BUD loaded into nanosponges (BUD-βCD-NS). Acute toxicity studies and in vitro cytotoxicity studies on alveolar cells proved the safety of BUD-βCD-NS. Several parameters, including particle size, median mass aerodynamic diameter, % fine particle fraction, and % emitted dose, were evaluated for aerosol performance, suggesting the capability of BUD-βCD-NS to formulate as a dry powder inhaler (DPI) with a suitable diluent. To sum up, this research will offer new insights into the future advancement of βCD-NS as drug delivery systems for providing controlled release of therapeutic agents against pulmonary disease.
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Affiliation(s)
- Yasmein Yaser Salem
- Department of Pharmaceutics, Dubai Pharmacy College for Girls, Al Muhaisanah 1, Al Mizhar, 19099 Dubai, United Arab Emirates.
| | - Gjylije Hoti
- Department of Chemistry, University of Turin, Via P. Giuria 7, 10125 Turin, Italy; Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, 10125 Turin, Italy(1).
| | - Rana M F Sammour
- Department of Pharmaceutics, Dubai Pharmacy College for Girls, Al Muhaisanah 1, Al Mizhar, 19099 Dubai, United Arab Emirates.
| | - Fabrizio Caldera
- Department of Chemistry, University of Turin, Via P. Giuria 7, 10125 Turin, Italy.
| | - Claudio Cecone
- Department of Chemistry, University of Turin, Via P. Giuria 7, 10125 Turin, Italy.
| | - Adrián Matencio
- Department of Chemistry, University of Turin, Via P. Giuria 7, 10125 Turin, Italy.
| | - Aliasgar F Shahiwala
- Department of Pharmaceutics, Dubai Pharmacy College for Girls, Al Muhaisanah 1, Al Mizhar, 19099 Dubai, United Arab Emirates.
| | - Francesco Trotta
- Department of Chemistry, University of Turin, Via P. Giuria 7, 10125 Turin, Italy.
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12
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Maniglio D, Bissoli E, Callone E, Dirè S, Motta A. Polymeric Hydrogels for Intervertebral Disc Replacement/Integration: Playing with the Chemical Composition for Tuning Shear Behavior and Hydrophilicity. Gels 2023; 9:912. [PMID: 37999002 PMCID: PMC10671477 DOI: 10.3390/gels9110912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/08/2023] [Accepted: 11/11/2023] [Indexed: 11/25/2023] Open
Abstract
Damages to the intervertebral disc (IVD) due to improper loading or degeneration result in back pain, which is a common disease affecting an increasing number of patients. Different strategies for IVD remediation have been developed, from surgical treatment to disc replacement, by using both metallic and non-metallic materials. Hydrogels are very attractive materials due to their ability to simulate the properties of many soft tissues; moreover, their chemical composition can be varied in order to assure performances similar to the natural disc. In particular, for the replacement of the IVD outer ring, namely, the anulus fibrosus, the shear properties are of paramount importance. In this work, we produced hydrogels through the photo-induced crosslinking of different mixtures composed of two hydrophilic monofunctional and difunctional polymers, namely, poly(ethyleneglycol) methyl ether methacrylate (PEGMEMA) and poly(ethyleneglycol) dimethacrylate (PEGDMA), together with a hydrophobic molecule, i.e., tert-butyl acrylate (tBA). By changing the ratio among the precursors, we demonstrated the tunability of both the shear properties and hydrophilicity. The structural properties of hydrogels were studied by solid-state nuclear magnetic resonance (NMR). These experiments provided insights on both the structure and molecular dynamics of polymeric networks and, together with information obtained by differential scanning calorimetry (DSC), allowed for correlating the physical properties of the hydrogels with their chemical composition.
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Affiliation(s)
- Devid Maniglio
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, Via Delle Regole 101, 38123 Trento, Italy; (D.M.); (A.M.)
| | - Elia Bissoli
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, Via Delle Regole 101, 38123 Trento, Italy; (D.M.); (A.M.)
- “Klaus Müller” Magnetic Resonance Lab., Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Emanuela Callone
- “Klaus Müller” Magnetic Resonance Lab., Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Sandra Dirè
- “Klaus Müller” Magnetic Resonance Lab., Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Antonella Motta
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, Via Delle Regole 101, 38123 Trento, Italy; (D.M.); (A.M.)
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13
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Chitrakar C, Torres MA, Rocha-Flores PE, Hu Q, Ecker M. Multifaceted Shape Memory Polymer Technology for Biomedical Application: Combining Self-Softening and Stretchability Properties. Polymers (Basel) 2023; 15:4226. [PMID: 37959906 PMCID: PMC10647621 DOI: 10.3390/polym15214226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 10/20/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Thiol-ene polymers are a promising class of biomaterials with a wide range of potential applications, including organs-on-a-chip, microfluidics, drug delivery, and wound healing. These polymers offer flexibility, softening, and shape memory properties. However, they often lack the inherent stretchability required for wearable or implantable devices. This study investigated the incorporation of di-acrylate chain extenders to improve the stretchability and conformability of those flexible thiol-ene polymers. Thiol-ene/acrylate polymers were synthesized using 1,3,5-triallyl-1,3,5-triazine-2,4,6(1H,3H,5H)-trione (TATATO), Trimethylolpropanetris (3-mercaptopropionate) (TMTMP), and Polyethylene Glycol Diacrylate (PEGDA) with different molecular weights (Mn 250 and Mn 575). Fourier Transform Infrared (FTIR) spectroscopy confirmed the complete reaction among the monomers. Uniaxial tensile testing demonstrated the softening and stretching capability of the polymers. The Young's Modulus dropped from 1.12 GPa to 260 MPa upon adding 5 wt% PEGDA 575, indicating that the polymer softened. The Young's Modulus was further reduced to 15 MPa under physiologic conditions. The fracture strain, a measure of stretchability, increased from 55% to 92% with the addition of 5 wt% PEGDA 575. A thermomechanical analysis further confirmed that PEGDA could be used to tune the polymer's glass transition temperature (Tg). Moreover, our polymer exhibited shape memory properties. Our results suggested that thiol-ene/acrylate polymers are a promising new class of materials for biomedical applications requiring flexibility, stretchability, and shape memory properties.
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Affiliation(s)
- Chandani Chitrakar
- Department of Biomedical Engineering, University of North Texas, Denton, TX 76203, USA
| | - Marc Anthony Torres
- Department of Biomedical Engineering, University of North Texas, Denton, TX 76203, USA
| | | | - Qichan Hu
- Department of Biomedical Engineering, University of North Texas, Denton, TX 76203, USA
| | - Melanie Ecker
- Department of Biomedical Engineering, University of North Texas, Denton, TX 76203, USA
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14
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Bice MLL, Ortega VL, Yu MH, McHugh KJ. Methacrylated poly(glycerol sebacate) as a photocurable, biocompatible, and biodegradable polymer with tunable degradation and drug release kinetics. RESEARCH SQUARE 2023:rs.3.rs-3384762. [PMID: 37886600 PMCID: PMC10602112 DOI: 10.21203/rs.3.rs-3384762/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Poly(glycerol sebacate) (PGS) is a biodegradable, elastomeric polymer that has been explored for applications ranging from tissue engineering to drug delivery and wound repair. Despite its promise, its biomedical utility is limited by its rapid, and largely fixed, degradation rate. Additionally, its preparation requires high temperatures for long periods of time, rendering it incompatible with heat-sensitive molecules, complex device geometries, and high-throughput production. In this study, we synthesized methacrylated PGS (PGS-M), imparting the ability to rapidly photocross-link the polymer. Increasing the degree of methacrylation was found to slow PGS-M degradation; PGS-M (5.5 kDa) disks with 21% methacrylation lost 43% of their mass over 11 weeks in vivo whereas 47% methacrylated disks lost just 14% of their mass over the same period. Increasing the methacrylation also extended the release of encapsulated daunorubicin by up to two orders of magnitude in vitro, releasing drug over months instead of one week. Like PGS, PGS-M exhibited good biocompatibility, eliciting limited inflammation and fibrous encapsulation when implanted subcutaneously. These studies are the first to perform long-term studies demonstrating the ability to tune PGS-M degradation rate, use PGS-M to release drug, demonstrate sustained release of drug from PGS-M, and evaluate PGS-M behavior in vivo. Taken together, these studies show that PGS-M offers several key advantages over PGS for drug delivery and tissue engineering, including rapid curing, facile loading of drugs without exposure to heat, tunable degradation rates, and tunable release kinetics, all while retaining the favorable biocompatibility of PGS.
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15
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Pruksawan S, Lin Z, Lee YL, Chee HL, Wang F. 4D-Printed Hydrogel Actuators through Diffusion-Path Architecture Design. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46388-46399. [PMID: 37738306 DOI: 10.1021/acsami.3c10112] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
Recently, smart hydrogels have garnered considerable attention as biomedical devices, and several approaches have been introduced for their fabrication, including the incorporation of stimulus-responsive additives, utilization of molecular imprinting techniques, and application of multilayered hydrogels. However, the nonuniform properties resulting from these approaches limit the practical applications of hydrogels by causing inconsistent performance and behavior. In this study, we propose a novel approach to manipulating the swelling kinetics of hydrogels by engineering their diffusion-path architecture. By simply adjusting the diffusion path length within the hydrogel, we achieved a significant change in swelling kinetics. This approach enables precise control over the diffusion and transport processes within the hydrogel, resulting in enhanced swelling kinetics when reducing the diffusion path length. Furthermore, by strategically designing the diffusion-path architecture of a 3D-printed hydrogel specimen, we can fabricate smart hydrogel actuators that exhibit reversible shape transformations during swelling and deswelling through a nonequilibrium differential swelling. The proposed approach eliminates the need to modify the spatial properties of hydrogel structures such as cross-linking density, polymer, or additive compositions, thereby achieving uniform properties throughout the hydrogel and creating new possibilities for the development of advanced 4D-printed biomedical devices.
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Affiliation(s)
- Sirawit Pruksawan
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore
| | - Zehuang Lin
- Department of Materials Science and Engineering, National University of Singapore (NUS), 9 Engineering Drive 1, Singapore 117575, Republic of Singapore
| | - Yock Leng Lee
- Department of Biomedical Engineering, National University of Singapore (NUS), 4 Engineering Drive 3, Singapore 117583, Republic of Singapore
| | - Heng Li Chee
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore
| | - FuKe Wang
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore 138634, Republic of Singapore
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16
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Geyik G, Güncüm E, Işıklan N. Design and development of pH-responsive alginate-based nanogel carriers for etoposide delivery. Int J Biol Macromol 2023; 250:126242. [PMID: 37562484 DOI: 10.1016/j.ijbiomac.2023.126242] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 07/30/2023] [Accepted: 08/07/2023] [Indexed: 08/12/2023]
Abstract
Recently, pH-responsive nanogels are playing progressively important roles in cancer treatment. The present study focuses on designing and developing pH-responsive alginate-based nanogels to achieve a controlled release of etoposide (Et) while enhancing its hydrophilicity. Alginate (ALG) is grafted with 2-hydroxypropyl methacrylamide (HPMA) through a microwave-supported method, and the chemical structure of the graft copolymer (ALG-g-PHPMA) was verified by 1H/13C NMR and FTIR techniques. The ALG-g-PHPMA and anticancer drug-loaded ALG-g-PHPMA@Et nanogels were obtained using an emulsion method, and their structures were characterized through FTIR, TG/DSC, AFM/TEM, BET, and DLS analyses. The ALG-g-PHPMA nanogels demonstrated a good drug encapsulation efficiency (79.60 %), displaying a pH-dependent release profile and an in vitro accelerated release of Et compared to the ALG nanogels. Thermal and BET analyses revealed enhanced stability, surface area, and porosity volume of the alginate nanogels. The grafting of PHPMA chains onto alginate altered the surface topology of the ALG nanogels, resulting in lower surface roughness. Furthermore, cytotoxicity tests showed the high biocompatibility of the ALG-g-PHPMA copolymer and its nanogels. The ALG-g-PHPMA@Et nanogels exhibited a higher anticancer effect on lung cancer (H1299) cells than free etoposide. These results suggest that the ALG-g-PHPMA nanogels can be applied as a pH-dependent nanoplatform for delivering anticancer drugs.
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Affiliation(s)
- Gülcan Geyik
- Department of Chemistry, Faculty of Arts and Sciences, Kırıkkale University, Yahşihan, 71450 Kırıkkale, Turkey; Alaca Avni Çelik Vocational School, Hitit University, Çorum, Turkey
| | - Enes Güncüm
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Kırıkkale University, 71450 Yahşihan, Kırıkkale, Turkey
| | - Nuran Işıklan
- Department of Chemistry, Faculty of Arts and Sciences, Kırıkkale University, Yahşihan, 71450 Kırıkkale, Turkey.
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17
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Pele KG, Amaveda H, Mora M, Marcuello C, Lostao A, Alamán-Díez P, Pérez-Huertas S, Ángeles Pérez M, García-Aznar JM, García-Gareta E. Hydrocolloids of Egg White and Gelatin as a Platform for Hydrogel-Based Tissue Engineering. Gels 2023; 9:505. [PMID: 37367175 DOI: 10.3390/gels9060505] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/05/2023] [Accepted: 06/15/2023] [Indexed: 06/28/2023] Open
Abstract
Innovative materials are needed to produce scaffolds for various tissue engineering and regenerative medicine (TERM) applications, including tissue models. Materials derived from natural sources that offer low production costs, easy availability, and high bioactivity are highly preferred. Chicken egg white (EW) is an overlooked protein-based material. Whilst its combination with the biopolymer gelatin has been investigated in the food technology industry, mixed hydrocolloids of EW and gelatin have not been reported in TERM. This paper investigates these hydrocolloids as a suitable platform for hydrogel-based tissue engineering, including 2D coating films, miniaturized 3D hydrogels in microfluidic devices, and 3D hydrogel scaffolds. Rheological assessment of the hydrocolloid solutions suggested that temperature and EW concentration can be used to fine-tune the viscosity of the ensuing gels. Fabricated thin 2D hydrocolloid films presented globular nano-topography and in vitro cell work showed that the mixed hydrocolloids had increased cell growth compared with EW films. Results showed that hydrocolloids of EW and gelatin can be used for creating a 3D hydrogel environment for cell studies inside microfluidic devices. Finally, 3D hydrogel scaffolds were fabricated by sequential temperature-dependent gelation followed by chemical cross-linking of the polymeric network of the hydrogel for added mechanical strength and stability. These 3D hydrogel scaffolds displayed pores, lamellae, globular nano-topography, tunable mechanical properties, high affinity for water, and cell proliferation and penetration properties. In conclusion, the large range of properties and characteristics of these materials provide a strong potential for a large variety of TERM applications, including cancer models, organoid growth, compatibility with bioprinting, or implantable devices.
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Affiliation(s)
- Karinna Georgiana Pele
- Multiscale in Mechanical & Biological Engineering Research Group, Aragon Institute of Engineering Research (I3A), School of Engineering & Architecture, University of Zaragoza, 50018 Zaragoza, Aragon, Spain
| | - Hippolyte Amaveda
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC and University of Zaragoza, 50018 Zaragoza, Aragon, Spain
| | - Mario Mora
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC and University of Zaragoza, 50018 Zaragoza, Aragon, Spain
| | - Carlos Marcuello
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC and University of Zaragoza, 50018 Zaragoza, Aragon, Spain
- Laboratorio de Microscopías Avanzadas (LMA), University of Zaragoza, 50018 Zaragoza, Aragon, Spain
| | - Anabel Lostao
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC and University of Zaragoza, 50018 Zaragoza, Aragon, Spain
- Laboratorio de Microscopías Avanzadas (LMA), University of Zaragoza, 50018 Zaragoza, Aragon, Spain
- Fundación ARAID, 50018 Zaragoza, Aragon, Spain
| | - Pilar Alamán-Díez
- Multiscale in Mechanical & Biological Engineering Research Group, Aragon Institute of Engineering Research (I3A), School of Engineering & Architecture, University of Zaragoza, 50018 Zaragoza, Aragon, Spain
| | - Salvador Pérez-Huertas
- Department of Chemical Engineering, Faculty of Sciences, University of Granada, 18071 Granada, Andalusia, Spain
| | - María Ángeles Pérez
- Multiscale in Mechanical & Biological Engineering Research Group, Aragon Institute of Engineering Research (I3A), School of Engineering & Architecture, University of Zaragoza, 50018 Zaragoza, Aragon, Spain
- Aragon Institute for Health Research (IIS Aragon), Miguel Servet University Hospital, 50009 Zaragoza, Aragon, Spain
| | - José Manuel García-Aznar
- Multiscale in Mechanical & Biological Engineering Research Group, Aragon Institute of Engineering Research (I3A), School of Engineering & Architecture, University of Zaragoza, 50018 Zaragoza, Aragon, Spain
- Aragon Institute for Health Research (IIS Aragon), Miguel Servet University Hospital, 50009 Zaragoza, Aragon, Spain
| | - Elena García-Gareta
- Multiscale in Mechanical & Biological Engineering Research Group, Aragon Institute of Engineering Research (I3A), School of Engineering & Architecture, University of Zaragoza, 50018 Zaragoza, Aragon, Spain
- Aragon Institute for Health Research (IIS Aragon), Miguel Servet University Hospital, 50009 Zaragoza, Aragon, Spain
- Division of Biomaterials & Tissue Engineering, UCL Eastman Dental Institute, University College London, London NW3 2PF, UK
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18
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Tannous M, Hoti G, Trotta F, Cavalli R, Higashiyama T, Pagliaro P, Penna C. Oxygen Nanocarriers for Improving Cardioplegic Solution Performance: Physico-Chemical Characterization. Int J Mol Sci 2023; 24:10073. [PMID: 37373223 DOI: 10.3390/ijms241210073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/08/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
Nanocarriers for oxygen delivery have been the focus of extensive research to ameliorate the therapeutic effects of current anti-cancer treatments and in the organ transplant field. In the latter application, the use of oxygenated cardioplegic solution (CS) during cardiac arrest is certainly beneficial, and fully oxygenated crystalloid solutions may be excellent means of myocardial protection, albeit for a limited time. Therefore, to overcome this drawback, oxygenated nanosponges (NSs) that can store and slowly release oxygen over a controlled period have been chosen as nanocarriers to enhance the functionality of cardioplegic solutions. Different components can be used to prepare nanocarrier formulations for saturated oxygen delivery, and these include native α-cyclodextrin (αCD), αcyclodextrin-based nanosponges (αCD-NSs), native cyclic nigerosyl-nigerose (CNN), and cyclic nigerosyl-nigerose-based nanosponges (CNN-NSs). Oxygen release kinetics varied depending on the nanocarrier used, demonstrating higher oxygen release after 24 h for NSs than the native αCD and CNN. CNN-NSs presented the highest oxygen concentration (8.57 mg/L) in the National Institutes of Health (NIH) CS recorded at 37 °C for 12 h. The NSs retained more oxygen at 1.30 g/L than 0.13 g/L. These nanocarriers have considerable versatility and the ability to store oxygen and prolong the amount of time that the heart remains in hypothermic CS. The physicochemical characterization presents a promising oxygen-carrier formulation that can prolong the release of oxygen at low temperatures. This can make the nanocarriers suitable for the storage of hearts during the explant and transport procedure.
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Affiliation(s)
- Maria Tannous
- Department of Chemistry, University of Turin, 10125 Turin, Italy
- Department of Drug Science and Technology, University of Turin, 10125 Turin, Italy
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy
| | - Gjylije Hoti
- Department of Chemistry, University of Turin, 10125 Turin, Italy
| | - Francesco Trotta
- Department of Chemistry, University of Turin, 10125 Turin, Italy
| | - Roberta Cavalli
- Department of Drug Science and Technology, University of Turin, 10125 Turin, Italy
| | | | - Pasquale Pagliaro
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy
| | - Claudia Penna
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy
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19
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Frank C, Emmerstorfer-Augustin A, Rath T, Trimmel G, Nachtnebel M, Stelzer F. Bio-Polyester/Rubber Compounds: Fabrication, Characterization, and Biodegradation. Polymers (Basel) 2023; 15:2593. [PMID: 37376240 DOI: 10.3390/polym15122593] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/23/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
Biobased and biodegradable polymers (BBDs) such as poly(3-hydroxy-butyrate), PHB, and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) are considered attractive alternatives to fossil-based plastic materials since they are more environmentally friendly. One major problem with these compounds is their high crystallinity and brittleness. In order to generate softer materials without using fossil-based plasticizers, the suitability of natural rubber (NR) as an impact modifier was investigated in PHBV blends. Mixtures with varying proportions of NR and PHBV were generated, and samples were prepared by mechanical mixing (roll mixer and/or internal mixer) and cured by radical C-C crosslinking. The obtained specimens were investigated with respect to their chemical and physical characteristics, applying a variety of different methods such as size exclusion chromatography, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), thermal analysis, XRD, and mechanical testing. Our results clearly indicate that NR-PHBV blends exhibit excellent material characteristics including high elasticity and durability. Additionally, biodegradability was tested by applying heterologously produced and purified depolymerases. pH shift assays and morphology analyses of the surface of depolymerase-treated NR-PHBV through electron scanning microscopy confirmed the enzymatic degradation of PHBV. Altogether, we prove that NR is highly suitable to substitute fossil-based plasticizers; NR-PHBV blends are biodegradable and, hence, should be considered as interesting materials for a great number of applications.
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Affiliation(s)
- Carina Frank
- Acib-GmbH, Krenngasse 32, A-8010 Graz, Austria
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria
| | - Anita Emmerstorfer-Augustin
- Acib-GmbH, Krenngasse 32, A-8010 Graz, Austria
- Institute for Molecular Biotechnology, Graz University of Technology, NAWI Graz, BioTechMed-Graz, Petersgasse 14, A-8010 Graz, Austria
| | - Thomas Rath
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria
| | - Gregor Trimmel
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria
| | - Manfred Nachtnebel
- Graz Centre for Electron Microscopy, Steyrergasse 17, A-8010 Graz, Austria
| | - Franz Stelzer
- Acib-GmbH, Krenngasse 32, A-8010 Graz, Austria
- Institute for Chemistry and Technology of Materials, Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria
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20
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Getya D, Lucas A, Gitsov I. Composite Hydrogels Based on Poly(Ethylene Glycol) and Cellulose Macromonomers as Fortified Materials for Environmental Cleanup and Clean Water Safeguarding. Int J Mol Sci 2023; 24:ijms24087558. [PMID: 37108723 PMCID: PMC10144984 DOI: 10.3390/ijms24087558] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 03/28/2023] [Accepted: 04/16/2023] [Indexed: 04/29/2023] Open
Abstract
Pollution with organic dyes is one of the most typical environmental problems related to industrial wastewater. The removal of these dyes opens up new prospects for environmental remediation, but the design of sustainable and inexpensive systems for water purification is a fundamental challenge. This paper reports the synthesis of novel fortified hydrogels that can bind and remove organic dyes from aqueous solutions. These hydrophilic conetworks consist of chemically modified poly(ethylene glycol) (PEG-m) and multifunctional cellulose macromonomers ("cellu-mers"). Williamson etherification with 4-vinylbenzyl chloride (4-VBC) is used to modify PEGs of different molecular masses (1, 5, 6, and 10 kDa) and cellobiose, Sigmacell, or Technocell™ T-90 cellulose (products derived from natural renewable resources) with polymerizable/crosslinkable moieties. The networks are formed with good (75%) to excellent (96%) yields. They show good swelling and have good mechanical properties according to rheological tests. Scanning electron microscopy (SEM) reveals that cellulose fibers are visibly embedded into the inner hydrogel structure. The ability to bind and remove organic dyes, such as bromophenol blue (BPB), methylene blue (MB), and crystal violet (CV), from aqueous solutions hints at the potential of the new cellulosic hydrogels for environmental cleanup and clean water safeguarding.
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Affiliation(s)
- Dariya Getya
- Department of Chemistry, State University of New York-ESF, Syracuse, NY 132101, USA
- The Michael M. Szwarc Polymer Research Institute, Syracuse, NY 13210, USA
| | - Alec Lucas
- Department of Materials Science and Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Ivan Gitsov
- Department of Chemistry, State University of New York-ESF, Syracuse, NY 132101, USA
- The Michael M. Szwarc Polymer Research Institute, Syracuse, NY 13210, USA
- The BioInspired Institute, Syracuse University, Syracuse, NY 13244, USA
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21
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Hoti G, Ferrero R, Caldera F, Trotta F, Corno M, Pantaleone S, Desoky MMH, Brunella V. A Comparison between the Molecularly Imprinted and Non-Molecularly Imprinted Cyclodextrin-Based Nanosponges for the Transdermal Delivery of Melatonin. Polymers (Basel) 2023; 15:polym15061543. [PMID: 36987322 PMCID: PMC10057034 DOI: 10.3390/polym15061543] [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] [Received: 02/05/2023] [Revised: 03/12/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Melatonin is a neurohormone that ameliorates many health conditions when it is administered as a drug, but its drawbacks are its oral and intravenous fast release. To overcome the limitations associated with melatonin release, cyclodextrin-based nanosponges (CD-based NSs) can be used. Under their attractive properties, CD-based NSs are well-known to provide the sustained release of the drug. Green cyclodextrin (CD)-based molecularly imprinted nanosponges (MIP-NSs) are successfully synthesized by reacting β-Cyclodextrin (β-CD) or Methyl-β Cyclodextrin (M-βCD) with citric acid as a cross-linking agent at a 1:8 molar ratio, and melatonin is introduced as a template molecule. In addition, CD-based non-molecularly imprinted nanosponges (NIP-NSs) are synthesized following the same procedure as MIP-NSs without the presence of melatonin. The resulting polymers are characterized by CHNS-O Elemental, Fourier Transform Infrared Spectroscopy (FTIR), Thermogravimetric (TGA), Differential Scanning Calorimetry (DSC), Zeta Potential, and High-Performance Liquid Chromatography (HPLC-UV) analyses, etc. The encapsulation efficiencies are 60-90% for MIP-NSs and 20-40% for NIP-NSs, whereas melatonin loading capacities are 1-1.5% for MIP-NSs and 4-7% for NIP-NSs. A better-controlled drug release performance (pH = 7.4) for 24 h is displayed by the in vitro release study of MIP-NSs (30-50% released melatonin) than NIP-NSs (50-70% released melatonin) due to the different associations within the polymeric structure. Furthermore, a computational study, through the static simulations in the gas phase at a Geometry Frequency Non-covalent interactions (GFN2 level), is performed to support the inclusion complex between βCD and melatonin with the automatic energy exploration performed by Conformer-Rotamer Ensemble Sampling Tool (CREST). A total of 58% of the CD/melatonin interactions are dominated by weak forces. CD-based MIP-NSs and CD-based NIP-NSs are mixed with cream formulations for enhancing and sustaining the melatonin delivery into the skin. The efficiency of cream formulations is determined by stability, spreadability, viscosity, and pH. This development of a new skin formulation, based on an imprinting approach, will be of the utmost importance in future research at improving skin permeation through transdermal delivery, associated with narrow therapeutic windows or low bioavailability of drugs with various health benefits.
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Affiliation(s)
- Gjylije Hoti
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Riccardo Ferrero
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Fabrizio Caldera
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Francesco Trotta
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Marta Corno
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Stefano Pantaleone
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Mohamed M H Desoky
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Valentina Brunella
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
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22
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Munawaroh HSH, Pratiwi RN, Gumilar GG, Aisyah S, Rohilah S, Nurjanah A, Ningrum A, Susanto E, Pratiwi A, Arindita NPY, Martha L, Chew KW, Show PL. Synthesis, modification and application of fish skin gelatin-based hydrogel as sustainable and versatile bioresource of antidiabetic peptide. Int J Biol Macromol 2023; 231:123248. [PMID: 36642356 DOI: 10.1016/j.ijbiomac.2023.123248] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/24/2022] [Accepted: 01/09/2023] [Indexed: 01/13/2023]
Abstract
Gelatin hydrogel is widely employed in various fields, however, commercially available gelatin hydrogels are mostly derived from mammalian which has many disadvantages due to the supply and ethical issues. In this study, the properties of hydrogels from fish-derived collagen fabricated with varying Glutaraldehyde (GA) determined. The antidiabetic properties of salmon gelatin (SG) and tilapia gelatin (TG) was also evaluated against α-glucosidase. Glutaraldehyde-crosslinked salmon gelatin and tilapia gelatin were used, and compared with different concentrations of GA by 0.05 %, 0.1 %, and 0.15 %. Water absorbency, swelling, porosity, pore size and water retention of the hydrogels were dependent on the degree of crosslinking. The synthesis of hydrogels was confirmed by FTIR study. Scanning electron microscope (SEM) observation showed that all hydrogels have a porous structure with irregular shapes and heterogeneous morphology. Performance tests showed that gelatin-GA 0.05 % mixture had the best performance. Antidiabetic bioactivity in vitro and in silico tests showed that the active peptides of SG and TG showed a high binding affinity to α-glucosidase enzyme. In conclusion, SG and TG cross-linked GA 0.05 % have the potential as an antidiabetic agent and as a useful option over mammalian-derived gelatin.
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Affiliation(s)
- Heli Siti Halimatul Munawaroh
- Study Program of Chemistry, Department of Chemistry Education, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudhi 229, Bandung 40154, Indonesia.
| | - Riska Nur Pratiwi
- Study Program of Chemistry, Department of Chemistry Education, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudhi 229, Bandung 40154, Indonesia
| | - Gun Gun Gumilar
- Study Program of Chemistry, Department of Chemistry Education, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudhi 229, Bandung 40154, Indonesia
| | - Siti Aisyah
- Study Program of Chemistry, Department of Chemistry Education, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudhi 229, Bandung 40154, Indonesia
| | - Siti Rohilah
- Study Program of Chemistry, Department of Chemistry Education, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudhi 229, Bandung 40154, Indonesia
| | - Anisa Nurjanah
- Study Program of Chemistry, Department of Chemistry Education, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudhi 229, Bandung 40154, Indonesia
| | - Andriati Ningrum
- Department of Food Science and Agricultural Product Technology, Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta 5528, Indonesia
| | - Eko Susanto
- Faculty of Fisheries and Marine Science, Universitas Diponegoro, Jalan Prof. Jacub Rais Tembalang, Semarang 50275, Indonesia
| | - Amelinda Pratiwi
- Study Program of Chemistry, Department of Chemistry Education, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudhi 229, Bandung 40154, Indonesia
| | - Ni Putu Yunika Arindita
- Study Program of Chemistry, Department of Chemistry Education, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudhi 229, Bandung 40154, Indonesia
| | - Larasati Martha
- Laboratory of Biopharmaceutics, Department of Pharmacology, Faculty of Pharmacy, Takasaki University of Health and Welfare, 60 Nakaorui-machi, Takasaki City, Gunma prefecture 370-0033, Japan
| | - Kit Wayne Chew
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Pau-Loke Show
- Zhejiang Provincial Key Laboratory for Subtropical Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou 325035, China; Department of Chemical Engineering, Khalifa University, Shakhbout Bin Sultan St - Zone 1 - Abu Dhabi - United Arab Emirates; Department of Sustainable Engineering, Saveetha School of Engineering, SIMATS, Chennai 602105, India; Department of Chemical and Environmental Engineering, University of Nottingham Malaysia, Jalan Broga 43500, Selangor, Malaysia.
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23
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A New Design of Poly(N-Isopropylacrylamide) Hydrogels Using Biodegradable Poly(Beta-Aminoester) Crosslinkers as Fertilizer Reservoirs for Agricultural Applications. Gels 2023; 9:gels9020127. [PMID: 36826297 PMCID: PMC9956257 DOI: 10.3390/gels9020127] [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: 01/07/2023] [Revised: 01/25/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
Poly(N-isopropylacrylamide) (P(NIPAAm)) hydrogels were prepared by free-radical polymerization with biodegradable poly (β-amino ester) (PBAE) crosslinkers at 1 wt% and 3 wt% ratio, and compared with conventional N,N'-methylene bisacrylamide (MBA)-crosslinked hydrogel. The influence of the type, molecular weight, and diacrylate/amine ratio of the crosslinker on the crosslink density, compressive strength, and swelling and biodegradation behavior of the hydrogels was investigated. The hydrogels synthesized with lower molecular weight PBAE crosslinkers showed higher crosslinking degrees and compressive strength and lower swelling ratios. To reveal the controlled release behavior of the fertilizer, KNO3 was used as the model, and its loading and release behavior from these hydrogels was also examined. The N/T5/1 sample with 1.5/1.0 diacrylate/amine molar ratio and 1 wt% PBAE ratio demonstrated the most controlled release of KNO3 with 66.9% after 18 days in soil. In addition, the hydrogel with the porosity of 71.65% and crosslinking degree of 2.85 × 10-5 mol cm-3 showed a swelling ratio of 69.44 g/g, biodegradation rate of 23.9%, and compressive strength of 1.074 MPa. Thus, it can be concluded that the new designed biodegradable P(NIPAAm) hydrogels can be promising materials as nitrate fertilizer reservoirs and also for controlled fertilizer release in soil media for agricultural applications.
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24
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Jongprasitkul H, Turunen S, Parihar VS, Kellomäki M. Sequential Cross-linking of Gallic Acid-Functionalized GelMA-Based Bioinks with Enhanced Printability for Extrusion-Based 3D Bioprinting. Biomacromolecules 2023; 24:502-514. [PMID: 36544430 PMCID: PMC9832479 DOI: 10.1021/acs.biomac.2c01418] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The printability of a photocross-linkable methacrylated gelatin (GelMA) bioink with an extrusion-based 3D bioprinter is highly affected by the polymer concentration and printing temperature. In this work, we developed a gallic acid (GA)-functionalized GelMA ink to improve the printability at room and physiological temperatures and to enable tissue adhesion and antioxidant properties. We introduced a sequential cross-linking approach using catechol-Fe3+ chelation, followed by photocross-linking. The results show that the ink formulation with 0.5% (w/v) Fe3+ in GelMA (30% modification) with 10% GA (GelMA30GA-5Fe) provided the optimum printability, shape fidelity, and structural integrity. The dual network inside the printed constructs significantly enhanced the viscoelastic properties. Printed cylinders were evaluated for their printing accuracy. The printed structures of GelMA30GA-5Fe provided high stability in physiological conditions over a month. In addition, the optimized ink also offered good tissue adhesion and antioxidant property. This catechol-based sequential cross-linking method could be adopted for the fabrication of other single-polymer bioinks.
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Affiliation(s)
- Hatai Jongprasitkul
- Biomaterials
and Tissue Engineering Group, BioMediTech, Faculty of Medicine and
Health Technology, Tampere University, Tampere33720, Finland
| | - Sanna Turunen
- Biomaterials
and Tissue Engineering Group, BioMediTech, Faculty of Medicine and
Health Technology, Tampere University, Tampere33720, Finland,Brinter
Ltd, Turku20520, Finland
| | - Vijay Singh Parihar
- Biomaterials
and Tissue Engineering Group, BioMediTech, Faculty of Medicine and
Health Technology, Tampere University, Tampere33720, Finland,
| | - Minna Kellomäki
- Biomaterials
and Tissue Engineering Group, BioMediTech, Faculty of Medicine and
Health Technology, Tampere University, Tampere33720, Finland
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25
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Pilavci E, Ayran M, Ulubay D, Kaya E, Tinaz G, Bingol Ozakpinar O, Sancakli A, Gunduz O. Fabrication and characterization of electrospun GelMA/PCL/CS nanofiber composites for wound dressing applications. J BIOACT COMPAT POL 2022. [DOI: 10.1177/08839115221138777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In the present study, the effect of different ratios of GelMA concentration has been exhibited for wound dressing implementation by the electrospinning method using a new polymer combination of Gelatin methacrylate (GelMA)/Polycaprolactone (PCL)/Chitosan (CS). The nanofiber composites were fabricated due to their biocompatible, biodegradable, improved mechanical strength, low degradation rate, and hydrophilic nature to develop cell-mimicking, cell adhesion, proliferation, and differentiation. Different concentrations of GelMA were added to the PCL/CS solution as 5, 10, and 20 wt%, respectively, in the formic acid/acetic acid (7:3) solution. A photoinitiator was added to the solution for photo-crosslinking of GelMA. The influence of different solution concentrations (5, 10, and 20 wt%) on the structure’s nanofiber production and fiber morphology was examined. SEM micrographs revealed that varied GelMA concentrations resulted in suitable and stable nanofiber composites. The average diameter of nanofiber composites grows as the GelMA concentration rises. FTIR, DSC, tensile test, degradation, and swelling test were evaluated. The results demonstrated that high mechanical strength, hydrophilic properties, and a slow degradation rate were observed with the presence and increment of GelMA concentration within the nanofiber composites. The antibacterial potential of GelMA/PCL/CS nanofiber composites was evaluated against P. aeruginosa and S. aureus using a disc diffusion assay. In vitro cell culture research was conducted by seeding NIH 3T3 fibroblast cells on nanofiber composites, proving these cells’ high cell proliferation rate, viability, and adhesion. 10 wt% GelMA-based nanofiber composites were found to have great potential for wound dressing applications.
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Affiliation(s)
- Esra Pilavci
- Department of Metallurgy and Materials Engineering, Faculty of Technology, Marmara University, Istanbul, Turkey
| | - Musa Ayran
- Department of Metallurgy and Materials Engineering, Faculty of Technology, Marmara University, Istanbul, Turkey
| | - Dilay Ulubay
- Department of Metallurgy and Materials Engineering, Faculty of Technology, Marmara University, Istanbul, Turkey
| | - Elif Kaya
- Department of Basic Pharmaceutical Sciences, Faculty of Pharmacy, Marmara University, Istanbul, Turkey
| | - Gulgun Tinaz
- Department of Basic Pharmaceutical Sciences, Faculty of Pharmacy, Marmara University, Istanbul, Turkey
| | - Ozlem Bingol Ozakpinar
- Department of Basic Pharmaceutical Sciences, Faculty of Pharmacy, Marmara University, Istanbul, Turkey
| | - Aykut Sancakli
- Kazlicesme R&D Center and Test Laboratories, Tuzla, Istanbul, Turkey
- Department of Leather Engineering, Faculty of Engineering, Ege University, Izmir, Turkey
| | - Oguzhan Gunduz
- Department of Metallurgy and Materials Engineering, Faculty of Technology, Marmara University, Istanbul, Turkey
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
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26
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Nisin delivery by nanosponges increases its anticancer activity against in-vivo melanoma model. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.104065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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27
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Sodium alginate/xanthan-based nanocomposite hydrogels containing 5-fluorouracil: Characterization and cancer cell death studies in presence of halloysite nanotube. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.12.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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28
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Long W, Yang C, Wang G, Hu J. Effective adsorption of Hg(II) ions by new ethylene mimine polymer/β-cyclodextrin crosslinked functionalized magnetic composite. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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29
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β-Cyclodextrin-Based Nanosponges Inclusion Compounds Associated with Gold Nanorods for Potential NIR-II Drug Delivery. Pharmaceutics 2022; 14:pharmaceutics14102206. [DOI: 10.3390/pharmaceutics14102206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 11/16/2022] Open
Abstract
This article describes the synthesis and characterization of two nanocarriers consisting of β-cyclodextrin-based nanosponges (NSs) inclusion compounds (ICs) and gold nanorods (AuNRs) for potential near-infrared II (NIR-II) drug-delivery systems. These nanosystems sought to improve the stability of two drugs, namely melphalan (MPH) and curcumin (CUR), and to trigger their photothermal release after a laser irradiation stimulus (1064 nm). The inclusion of MPH and CUR inside each NS was confirmed by field emission scanning electron microscopy (FE-SEM), Raman spectroscopy, Fourier transform infrared spectroscopy, (FT-IR) differential scanning calorimetry (DSC), transmission electron microscopy (TEM), and proton nuclear magnetic resonance (1H-NMR). Furthermore, the association of AuNRs with both ICs was confirmed by FE-SEM, energy-dispersive spectroscopy (EDS), TEM, dynamic light scattering (DLS), ζ-potential, and UV–Vis. Moreover, the irradiation assays demonstrated the feasibility of the controlled-photothermal drug release of both MPH and CUR in the second biological window (1000–1300 nm). Finally, MTS assays depicted that the inclusion of MPH and CUR inside the cavities of NSs reduces the effects on mitochondrial activity, as compared to that observed in the free drugs. Overall, these results suggest the use of NSs associated with AuNRs as a potential technology of controlled drug delivery in tumor therapy, since they are efficient and non-toxic materials.
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30
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Skwierawska AM, Bliźniewska M, Muza K, Nowak A, Nowacka D, Zehra Syeda SE, Khan MS, Łęska B. Cellulose and its derivatives, coffee grounds, and cross-linked, β-cyclodextrin in the race for the highest sorption capacity of cationic dyes in accordance with the principles of sustainable development. JOURNAL OF HAZARDOUS MATERIALS 2022; 439:129588. [PMID: 35850070 DOI: 10.1016/j.jhazmat.2022.129588] [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: 03/16/2022] [Revised: 07/06/2022] [Accepted: 07/10/2022] [Indexed: 06/15/2023]
Abstract
In this study, seven different materials were analyzed and includes coffee grounds (CG), two types of cellulose (CGC and CC), two types of modified cellulose (CT and CTCD), and cross-linked β-cyclodextrin (CD-1 and CD-2) were tested as adsorbents for the removal of dyes from the wastewater. The composition, morphology, and presence of functional groups in the obtained sorption materials were characterized by elemental analysis, SEM, TG/DTA, and FTIR spectroscopy. The sorption processes of the model contaminant, crystal violet (CV), were studied by kinetics and equilibrium models. The results showed, that using CTCD, the dye was adsorbed rapidly in 1 min and the slowest adsorption occurred in 20 min by CG. The time evolution was adjusted using a two-model, pseudo second-order model (CG and CGC) and pseudo first-order model in the rest adsorbents. According to the Langmuir and Sips isotherm models, the maximum adsorption capacities were very high in each case ranging from 1092.24 to 1220.40 mg g-1. Moreover, the adsorption capacity of the near-natural materials remained even higher after five regeneration cycles. The regeneration is almost waste-free and the materials used can be decomposed during composting. In addition, almost complete removal of cationic dyes was observed during the treatment of real wastewater samples.
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Affiliation(s)
- Anna Maria Skwierawska
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland.
| | - Monika Bliźniewska
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Kinga Muza
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Agnieszka Nowak
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Dominika Nowacka
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Shan E Zehra Syeda
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Muhammad Shahzeb Khan
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Bogusława Łęska
- Faculty of Chemistry, Adam Mickiewicz University, 8 Uniwersytetu Poznańskiego street, 61-614 Poznań, Poland
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Kędzierska M, Jamroży M, Drabczyk A, Kudłacik-Kramarczyk S, Bańkosz M, Gruca M, Potemski P, Tyliszczak B. Analysis of the Influence of Both the Average Molecular Weight and the Content of Crosslinking Agent on Physicochemical Properties of PVP-Based Hydrogels Developed as Innovative Dressings. Int J Mol Sci 2022; 23:ijms231911618. [PMID: 36232921 PMCID: PMC9569959 DOI: 10.3390/ijms231911618] [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: 08/22/2022] [Revised: 09/23/2022] [Accepted: 09/27/2022] [Indexed: 11/16/2022] Open
Abstract
Hydrogels belong to the group of polymers with a three-dimensional crosslinked structure, and their crosslinking density strongly affects their physicochemical properties. Here, we verified the impact of both the average molecular weight of crosslinking agents used during the photopolymerization of hydrogels and that of their content on selected properties of these materials. First, PVP-based hydrogels modified with Aloe vera juice and L-ascorbic acid were prepared using UV radiation. Next, their surface morphology was characterized via optical scanning electron microscopy, whereas their chemical structure was investigated by FT-IR spectroscopy. Moreover, we verified the tendency of the hydrogels to degrade in selected physiological liquids, as well as their tensile strength, percentage of elongation, and swelling capability. We found that the more crosslinking agent in the hydrogel matrix, the higher its tensile strength and the less elongation. The hydrogels showed the highest stability during incubation in SBF and 2% hemoglobin solution. A sharp decrease in the pH of distilled water observed during the incubation of the hydrogels was probably due to the release of Aloe vera juice from the hydrogel matrices. This was additionally confirmed by the decrease in the intensity of the absorption band derived from the polysaccharides included in this additive and by the decrease in the swelling ratio after 48 h. Importantly, all hydrogels demonstrated swelling properties, and it was proven that the higher content of the crosslinking agent in hydrogels, the lower their swelling ability.
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Affiliation(s)
- Magdalena Kędzierska
- Department of Chemotherapy, Medical University of Lodz, Copernicus Memorial Hospital of Lodz, 93-513 Lodz, Poland
| | - Mateusz Jamroży
- Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
- Correspondence: (M.J.); (S.K.-K.)
| | - 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
| | - 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
- Correspondence: (M.J.); (S.K.-K.)
| | - Magdalena Bańkosz
- Department of Materials Engineering, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
| | - Mateusz Gruca
- Department of Materials Engineering, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
| | - Piotr Potemski
- Department of Chemotherapy, Medical University of Lodz, Copernicus Memorial Hospital of Lodz, 93-513 Lodz, Poland
| | - Bożena Tyliszczak
- Department of Materials Engineering, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
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Desai D, Shende P. β-Cyclodextrin-crosslinked synthetic neuropeptide Y-based nanosponges in epilepsy by contributing GABAergic signal. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2022; 45:102594. [PMID: 35934306 DOI: 10.1016/j.nano.2022.102594] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
Neuropeptide Y (NPY) is a polypeptide sequence useful in regulating physiological functions like homeostasis, feeding, etc., but its usage is restricted due to its short half-life. β-cyclodextrin-crosslinked nanosponges improve the drug release and stability due to its wide cavity, which is helpful to deliver therapeutics. The present work aimed to formulate synthetic NPY-based nanocarriers as sponges by polymer condensation mechanism using design experiment to improve the peptide release and stability. The validated nanosponges exhibited a particle size of 423.42 ± 5.32 nm, 75.82 ± 7.43 % entrapment efficiency and 83.50 ± 6.54 % NPY release for 24 h. The NPY and β-cyclodextrin interaction was confirmed by X-ray diffraction, Fourier transform infrared and nuclear magnetic resonance spectroscopy. The NPY-loaded nanosponges were found stable for 6 months at two conditions (5 ± 2 °C and 25 ± 2 °C). The cross-linked nanocarriers of synthetic peptide-based nanosponges powder at different doses were administered intranasally using a metered-dose inhaler in the animal model to check its antiepileptic activity. The synthetic NPY-loaded nanosponges at higher doses showed significant antiepileptic effects equivalent to the standard drug (administered orally) in maximal electroshock and chemically-induced seizures with an increase of NPY in the brain directly proportional to GABAergic signalling by increase in GABA levels resulting in convulsions attenuation.
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Affiliation(s)
- Drashti Desai
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's NMIMS, V. L. Mehta road, Vile Parle (W), Mumbai, India.
| | - Pravin Shende
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM's NMIMS, V. L. Mehta road, Vile Parle (W), Mumbai, India.
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Mashaqbeh H, Obaidat R, Al-Shar'i NA. Evaluation of EDTA Dianhydride Versus Diphenyl Carbonate Nanosponges for Curcumin. AAPS PharmSciTech 2022; 23:229. [PMID: 35974237 DOI: 10.1208/s12249-022-02372-z] [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: 05/01/2022] [Accepted: 07/15/2022] [Indexed: 11/30/2022] Open
Abstract
Cyclodextrin-based nanosponges are widely investigated for several applications and are considered potential drug carriers. The method of nanosponges preparation involves the use of chemical cross-linking agents where the properties of Nanosponges can be affected. This study compared the resulting differences in the final nanosponges' properties using carbonate and dianhydride crosslinkers. Diphenyl carbonate and EDTA dianhydride were used for the synthesis of nanosponges. Both types of nanosponges were loaded with curcumin as a model drug. Physicochemical characterizations, including PXRD, DSC, FTIR, scanning electron microscopy, AFM, particle size, zeta potential, and surface area analysis, were carried out for the prepared nanosponges. Curcumin release and drug content were also evaluated. Nanosponges prepared by Diphenyl carbonate crosslinker resulted in an amorphous form compared to crystalline EDTA-nanosponges. This study reported the successful inclusion and complexation of curcumin inside carbonate cross-linked cyclodextrin-based nanosponges and suggested the physical entrapment of crystalline curcumin in EDTA dianhydride. These findings were further investigated and supported by computational modeling.
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Affiliation(s)
- Hadeia Mashaqbeh
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Ar-Ramtha, Jordan
| | - Rana Obaidat
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Ar-Ramtha, Jordan.
| | - Nizar A Al-Shar'i
- Department of Medicinal Chemistry, Faculty of Pharmacy, Jordan University of Science and Technology, Ar-Ramtha, Jordan
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Synthesis of a sulfur-containing polyHIPE from a sustainable monomer by using inverse vulcanization approach. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02404-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Mahdy SR, Awadallah‐F A, Khalil SA. Radiation initiated synthesis of (carboxymethyl cellulose/polyacryalmide) hydrogels with polyprotic acid moieties and their utilization in nicotinic acid release. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sanna R. Mahdy
- Radiation Chemistry Department National Centre for Radiation Research and Technology, Egyptian Atomic Energy Authority Cairo Egypt
| | - Ahmed Awadallah‐F
- Radiation Research of Polymer Department National Centre for Radiation Research and Technology, Egyptian Atomic Energy Authority Cairo Egypt
| | - Salwa A. Khalil
- Radiation Chemistry Department National Centre for Radiation Research and Technology, Egyptian Atomic Energy Authority Cairo Egypt
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Dextrin-Based Nanohydrogels for Rokitamycin Prolonged Topical Delivery. Gels 2022; 8:gels8080490. [PMID: 36005092 PMCID: PMC9407297 DOI: 10.3390/gels8080490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 11/17/2022] Open
Abstract
Macrolides are widely used antibiotics with a broad spectrum of activity. The development of drug carriers to deliver this type of antibiotics has attracted much research. The present study aims at developing new swellable dextrin-based nanohydrogels for the topical delivery of rokitamycin, as model macrolide. Rokitamycin is a synthetic analogous of macrolides with advantageous characteristics as far as bacterial uptake and post-antibiotic effect are concerned. It is also indicated for the treatment of severe infections caused by Acanthamoeba and for topical infections. The nanohydrogels have been prepared from two types of cross-linked polymers obtained by using β-cyclodextrin or Linecaps® was provided by the Roquette Italia SPA (Cassano Spinola, Al, Italy) as building blocks. The cross-linked polymers have been then formulated into aqueous nanosuspensions refined and tuned to achieve the incorporation of the drug. Cross-linked β-cyclodextrin (β-CD) and Linecaps® (LC) polymers formed dextrin-based nanohydrogels with high swelling degree and mucoadhesion capability. Rokitamycin was loaded into the nanohydrogels displaying an average size around 200 nm with negative surface charge. In vitro kinetic profiles of free and loaded drug in nanohydrogels were compared at two pH levels. Interestingly, a sustained and controlled release was obtained at skin pH level due to the high degree of swelling and a pH responsiveness possibly. The results collected suggest that these nanohydrogels are promising for the delivery of rokitamycin and may pave the way for the topical delivery of other macrolide antibiotics.
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Anionic exopolysaccharide from Cryptococcus laurentii 70766 as an alternative for alginate for biomedical hydrogels. Int J Biol Macromol 2022; 212:370-380. [PMID: 35613678 DOI: 10.1016/j.ijbiomac.2022.05.133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 05/11/2022] [Accepted: 05/18/2022] [Indexed: 12/12/2022]
Abstract
Alginates are widely used polysaccharides for biomaterials engineering, which functional properties depend on guluronic and mannuronic acid as the building blocks. In this study, enzymatically crosslinked hydrogels based on sodium alginate (Na-Alg) and the exopolysaccharide (EPS) derived from Cryptococcus laurentii 70766 with glucuronic acid residues were synthesized and characterized as a new potential source of polysaccharide for biomaterials engineering. The EPS was extracted (1.05 ± 0.57 g/L) through ethanol precipitation. Then the EPS and Na-Alg were functionalized with tyramine hydrochloride to produce enzymatically crosslinked hydrogels in the presence of horseradish peroxidase (HRP) and H2O2. Major characteristics of the hydrogels such as gelling time, swelling ratio, rheology, cell viability, and biodegradability were studied. The swelling ratio and degradation profile of both hydrogels showed negative values, indicating an increased crosslinking degree and a lower water uptake percentage. The EPS hydrogel showed similar gelation kinetics compared to the Alg hydrogel. The EPS and its hydrogel were found cytocompatible. The results indicate the potential of EPS from C. laurentii 70766 for biomedical engineering due to its biocompatibility and degradability. Further studies are needed to confirm this EPS as an alternative for Alg in tissue engineering applications, particularly in the development of wound dressing products.
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Sorouri F, Azimzadeh Asiabi P, Hosseini P, Ramazani A, Kiani S, Akbari T, Sharifzadeh M, Shakoori M, Foroumadi A, Firoozpour L, Amin M, Khoobi M. Enrichment of carbopol gel by natural peptide and clay for improving the burn wound repair process. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04306-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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39
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dos Santos FKF, de Rezende CM, da Veiga Júnior VF. Macroporous polymeric resins as a tool to obtain bioactive compounds in food and food-waste: a review. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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40
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McGlynn JA, Schultz KM. Characterizing Nonuniform Hydrogel Elastic Moduli Using Autofluorescence. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- John A. McGlynn
- Department of Chemical and Biomolecular Engineering, Lehigh University, 111 Research Drive, Bethlehem, Pennsylvania 18015, United States
| | - Kelly M. Schultz
- Department of Chemical and Biomolecular Engineering, Lehigh University, 111 Research Drive, Bethlehem, Pennsylvania 18015, United States
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41
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Utzeri G, Matias PMC, Murtinho D, Valente AJM. Cyclodextrin-Based Nanosponges: Overview and Opportunities. Front Chem 2022; 10:859406. [PMID: 35402388 PMCID: PMC8987506 DOI: 10.3389/fchem.2022.859406] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 03/02/2022] [Indexed: 01/18/2023] Open
Abstract
Nanosponges are solid cross-linked polymeric nano-sized porous structures. This broad concept involves, among others, metal organic frameworks and hydrogels. The focus of this manuscript is on cyclodextrin-based nanosponges. Cyclodextrins are cyclic oligomers of glucose derived from starch. The combined external hydrophilicity with the internal hydrophobic surface constitute a unique “microenvironment”, that confers cyclodextrins the peculiar ability to form inclusion host‒guest complexes with many hydrophobic substances. These complexes may impart beneficial modifications of the properties of guest molecules such as solubility enhancement and stabilization of labile guests. These properties complemented with the possibility of using different crosslinkers and high polymeric surface, make these sponges highly suitable for a large range of applications. Despite that, in the last 2 decades, cyclodextrin-based nanosponges have been developed for pharmaceutical and biomedical applications, taking advantage of the nontoxicity of cyclodextrins towards humans. This paper provides a critical and timely compilation of the contributions involving cyclodextrins nanosponges for those areas, but also paves the way for other important applications, including water and soil remediation and catalysis.
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Affiliation(s)
- Gianluca Utzeri
- CQC, IMS, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Pedro M C Matias
- CQC, IMS, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Dina Murtinho
- CQC, IMS, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - Artur J M Valente
- CQC, IMS, Department of Chemistry, University of Coimbra, Coimbra, Portugal
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Nutraceutical Concepts and Dextrin-Based Delivery Systems. Int J Mol Sci 2022; 23:ijms23084102. [PMID: 35456919 PMCID: PMC9031143 DOI: 10.3390/ijms23084102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 03/26/2022] [Accepted: 04/02/2022] [Indexed: 12/12/2022] Open
Abstract
Nutraceuticals are bioactive or chemical compounds acclaimed for their valuable biological activities and health-promoting effects. The global community is faced with many health concerns such as cancers, cardiovascular and neurodegenerative diseases, diabetes, arthritis, osteoporosis, etc. The effect of nutraceuticals is similar to pharmaceuticals, even though the term nutraceutical has no regulatory definition. The usage of nutraceuticals, to prevent and treat the aforementioned diseases, is limited by several features such as poor water solubility, low bioavailability, low stability, low permeability, low efficacy, etc. These downsides can be overcome by the application of the field of nanotechnology manipulating the properties and structures of materials at the nanometer scale. In this review, the linear and cyclic dextrin, formed during the enzymatic degradation of starch, are highlighted as highly promising nanomaterials- based drug delivery systems. The modified cyclic dextrin, cyclodextrin (CD)-based nanosponges (NSs), are well-known delivery systems of several nutraceuticals such as quercetin, curcumin, resveratrol, thyme essential oil, melatonin, and appear as a more advanced drug delivery system than modified linear dextrin. CD-based NSs prolong and control the nutraceuticals release, and display higher biocompatibility, stability, and solubility of poorly water-soluble nutraceuticals than the CD-inclusion complexes, or uncomplexed nutraceuticals. In addition, the well-explored CD-based NSs pathways, as drug delivery systems, are described. Although important progress is made in drug delivery, all the findings will serve as a source for the use of CD-based nanosystems for nutraceutical delivery. To sum up, our review introduces the extensive literature about the nutraceutical concepts, synthesis, characterization, and applications of the CD-based nano delivery systems that will further contribute to the nutraceutical delivery with more potent nanosystems based on linear dextrins.
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Rajput M, Mondal P, Yadav P, Chatterjee K. Light-based 3D bioprinting of bone tissue scaffolds with tunable mechanical properties and architecture from photocurable silk fibroin. Int J Biol Macromol 2022; 202:644-656. [PMID: 35066028 DOI: 10.1016/j.ijbiomac.2022.01.081] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 01/09/2022] [Accepted: 01/12/2022] [Indexed: 12/11/2022]
Abstract
Three-dimensional (3D) bioprinting based on digital light processing (DLP) offers unique opportunities to prepare scaffolds that mimic the architecture and biomechanical properties of human tissues. Limited availability of biocompatible and biodegradable bioinks amenable for DLP-bioprinting is an impediment in this field. This study presents a bioink prepared from silk fibroin (SF) tailored for DLP bioprinting. Photocurable methacrylated-SF (SF-MA) was synthesized with 67.3% of methacrylation. Physical characterization of rheological and mechanical properties revealed that the 3D printed hydrogels of SF-MA (spanning from 10 to 25 wt%) exhibit bone tissue-like viscoelastic behavior and compressive modulus ranging from ≈12 kPa to ≈96 kPa. The gels exhibited favorable degradation (≈48 to 91% in 21 days). This SF-MA bioink afforded the printing of complex structures, with high precision. Pre-osteoblasts were successfully encapsulated in 3D bioprinted SF-MA hydrogels with high viability. 15% SF-MA DLP bioprinted hydrogels efficiently supported cell proliferation with favorable cell morphology and cytoskeletal organization. A progressive increase in cell-mediated calcium deposition up to 14 days confirmed the ability of the gels to drive osteogenesis, which was further augmented by soluble induction factors. This work demonstrates the potential of silk fibroin-derived bioinks for DLP-based 3D bioprinting of scaffolds for tissue engineering.
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Affiliation(s)
- Monika Rajput
- Department of Materials Engineering, Indian Institute of Science, C.V. Raman Avenue, Bangalore, Karnataka 560012, India
| | - Pritiranjan Mondal
- Department of Materials Engineering, Indian Institute of Science, C.V. Raman Avenue, Bangalore, Karnataka 560012, India
| | - Parul Yadav
- Centre for BioSystems Science and Engineering, Indian Institute of Science, C.V. Raman Avenue, Bangalore, Karnataka 560012, India
| | - Kaushik Chatterjee
- Department of Materials Engineering, Indian Institute of Science, C.V. Raman Avenue, Bangalore, Karnataka 560012, India; Centre for BioSystems Science and Engineering, Indian Institute of Science, C.V. Raman Avenue, Bangalore, Karnataka 560012, India.
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Multivalent Allylammonium-Based Cross-Linkers for the Synthesis of Homogeneous, Highly Swelling Diallyldimethylammonium Chloride Hydrogels. Gels 2022; 8:gels8020100. [PMID: 35200481 PMCID: PMC8871358 DOI: 10.3390/gels8020100] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/17/2022] [Accepted: 01/29/2022] [Indexed: 11/17/2022] Open
Abstract
N,N’-methylenebisacrylamide (BIS) is a very popular cross-linker for the radical polymerisation in water. It is highly reactive but prone to alkaline hydrolysis and suffers from a low solubility. This study shows that with slow polymerising systems such as N,N-diallyldimethylammonium chloride, only inhomogeneous networks are formed. As a consequence, gels with very low cross-linking densities, i.e., high swelling capacities, disintegrate during the swelling test and firm, coherent gels are not accessible due to the solubility limit. A promising alternative are multivalent tetraallyl-based compounds, of which tetraallylammonium bromide (TAAB), N,N,N’,N’-tetraallylpiperazinium dibromide (TAPB) and N,N,N’,N’-tetraallyltrimethylene dipiperidine dibromide (TAMPB) are the subject of this study. With these, the cross-linking polymerisation appears to be statistical, as gels formed at low monomer conversion have essentially the same swelling properties as those formed at high conversions. This is not observed with BIS. However, gelation with the tetraallyl cross-linkers is much slower than with BIS and follows the order TAPB < TAMPB < TAAB, but the differences become significantly smaller with increasing content. At low contents, all three allow the preparation of gels with high swelling capacities of up to 360 g/g.
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Khazaei Monfared Y, Mahmoudian M, Cecone C, Caldera F, Zakeri-Milani P, Matencio A, Trotta F. Stabilization and Anticancer Enhancing Activity of the Peptide Nisin by Cyclodextrin-Based Nanosponges against Colon and Breast Cancer Cells. Polymers (Basel) 2022; 14:polym14030594. [PMID: 35160583 PMCID: PMC8840141 DOI: 10.3390/polym14030594] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/19/2021] [Accepted: 01/29/2022] [Indexed: 11/16/2022] Open
Abstract
The great variability of cancer types demands novel drugs with broad spectrum, this is the case of Nisin, a polycyclic antibacterial peptide that recently has been considered for prevention of cancer cells growth. As an accepted food additive, this drug would be very useful for intestinal cancers, but the peptide nature would make easier its degradation by digestion procedures. For that reason, the aim of present study to investigate the protective effect of two different β-cyclodextrin-based nanosponges (carbonyl diimidazole and pyromellitic dianhydride) and their anti-cancer enhancement effect of Nisin-Z encapsulated with against colon cancer cells (HT-29). To extend its possible use, a comparison with breast (MCF-7) cancer cell was carried out. The physicochemical properties, loading efficiency, and release kinetics of Nisin complex with nanosponges were studied. Then, tricin-SDS-PAGE electrophoresis was used to understand the effect of NSs on stability of Nisin-Z in the presence of gastric peptidase pepsin. In addition, the cytotoxicity and cell membrane damage of Nisin Z were evaluated by using the MTT and LDH assay, which was complemented via Annexin-V/ Propidium Iodide (PI) by using flowcytometry. CD-NS are able to complex Nisin-Z with an encapsulation efficiency around 90%. A protective effect of Nisin-Z complexed with CD-NSs was observed in presence of pepsin. An increase in the percentage of apoptotic cells was observed when the cancer cells were exposed to Nisin Z complexed with nanosponges. Interestingly, Nisin Z free and loaded on PMDA/CDI-NSs is more selectively toxic towards HT-29 cells than MCF-7 cancer cells. These results indicated that nanosponges might be good candidates to protect peptides and deliver drugs against intestinal cancers.
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Affiliation(s)
- Yousef Khazaei Monfared
- Dipartimento Di Chimica, Università di Torino, Via P. Giuria 7, 10125 Torino, Italy; (Y.K.M.); (C.C.); (F.C.)
| | - Mohammad Mahmoudian
- Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz 5166414766, Iran;
| | - Claudio Cecone
- Dipartimento Di Chimica, Università di Torino, Via P. Giuria 7, 10125 Torino, Italy; (Y.K.M.); (C.C.); (F.C.)
| | - Fabrizio Caldera
- Dipartimento Di Chimica, Università di Torino, Via P. Giuria 7, 10125 Torino, Italy; (Y.K.M.); (C.C.); (F.C.)
| | - Parvin Zakeri-Milani
- Liver and Gastrointestinal Diseases Research Centre and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz 5166414766, Iran
- Correspondence: (P.Z.-M.); or (A.M.); (F.T.)
| | - Adrián Matencio
- Dipartimento Di Chimica, Università di Torino, Via P. Giuria 7, 10125 Torino, Italy; (Y.K.M.); (C.C.); (F.C.)
- Correspondence: (P.Z.-M.); or (A.M.); (F.T.)
| | - Francesco Trotta
- Dipartimento Di Chimica, Università di Torino, Via P. Giuria 7, 10125 Torino, Italy; (Y.K.M.); (C.C.); (F.C.)
- Correspondence: (P.Z.-M.); or (A.M.); (F.T.)
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Rubin Pedrazzo A, Trotta F, Hoti G, Cesano F, Zanetti M. Sustainable mechanochemical synthesis of β-cyclodextrin polymers by twin screw extrusion. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:251-263. [PMID: 34424473 PMCID: PMC8724137 DOI: 10.1007/s11356-021-15187-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 06/24/2021] [Indexed: 06/13/2023]
Abstract
Cyclodextrin nanosponges (CD-NS) are cross-linked cyclodextrin polymers characterized by a nanostructured three-dimensional network. CD-NSs in the last years found many different applications in the pharmaceutical field for the controlled release of drugs and for the absorption of undesired substances from physiological media, food, and wastewater. Most of CD-NS syntheses involve the solubilization of the chosen CD in closed batch, using a suitable organic polar aprotic liquid, which may affect potential environmental or biomedical applications. Since the research is now moving towards more sustainable approaches, new and greener syntheses of CD-NS are now being developed. Here, it is reported a new eco-friendly and efficient synthesis of nanosponges through mechanochemistry. Mechanochemistry involves the application of mechanical forces to drive and control chemical reactions by transferring energy to chemical bonds. The mechanochemical approach involves the use of a twin-screw extruder (TSE) as a chemical reactor: TSE are capable of fine temperature control and, furthermore, TS Extrusion is a continuous process and not a batch process. Among the many available CD-NS syntheses, we tested our solvent-free approach on a β-CD/citric acid (CA) system. Moreover, using TSE, the same polymer was obtained in a considerably shorter time. The so obtained NSs were used for the adsorption and removal of probe molecules, in comparison with NSs prepared by cross-linking β-CD with CA in batch.
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Affiliation(s)
| | - Francesco Trotta
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125, Torino, Italy
| | - Gjylije Hoti
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125, Torino, Italy
| | - Federico Cesano
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125, Torino, Italy
| | - Marco Zanetti
- ICxT Centre, University of Torino, Lungo Dora Siena 100, 10153, Torino, Italy
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47
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Skwierawska AM, Nowacka D, Nowicka P, Rosa S, Kozłowska-Tylingo K. Structural Adaptive, Self-Separating Material for Removing Ibuprofen from Waters and Sewage. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7697. [PMID: 34947291 PMCID: PMC8709425 DOI: 10.3390/ma14247697] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/03/2021] [Accepted: 12/06/2021] [Indexed: 11/17/2022]
Abstract
β-Cyclodextrin nanosponge (β-CD-M) was used for the adsorption of ibuprofen (IBU) from water and sewage. The obtained material was characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), Brunauer-Emmett-Teller (BET), Barrett-Joyner-Halenda (BJH), Harkins and Jura t-Plot, zeta potential, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and elementary analysis (EA). Batch adsorption experiments were employed to investigate the effects of the adsorbent dose, initial IBU concentration, contact time, electrolyte ions and humic acids, and sewage over adsorption efficiency. The experimental isotherms were show off using Langmuir, Freundlich, Hill, Halsey and Sips isotherm models and thermodynamic analysis. The fits of the results were estimated according to the Sips isotherm, with a maximum adsorption capacity of 86.21 mg g-1. The experimental kinetics were studied by pseudo-first-order, pseudo-second-order, Elovich, modified Freundlich, Weber Morris, Bangham's pore diffusion, and liquid film diffusion models. The performed experiments revealed that the adsorption process fits perfectly to the pseudo-second-order model. The Elovich and Freundlich models indicate chemisorption, and the kinetic adsorption model itself is complex. The data obtained throughout the study prove that this nanosponge (NS) is extremely stable, self-separating, and adjusting to the guest structure. It also represents a potential biodegradable adsorbent for the removal IBU from wastewaters.
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Affiliation(s)
- Anna Maria Skwierawska
- Department of Chemistry and Technology of Functional Materials, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (D.N.); (P.N.); (S.R.)
| | - Dominika Nowacka
- Department of Chemistry and Technology of Functional Materials, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (D.N.); (P.N.); (S.R.)
| | - Paulina Nowicka
- Department of Chemistry and Technology of Functional Materials, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (D.N.); (P.N.); (S.R.)
| | - Sandra Rosa
- Department of Chemistry and Technology of Functional Materials, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (D.N.); (P.N.); (S.R.)
| | - Katarzyna Kozłowska-Tylingo
- Department of Pharmaceutical Technology and Biochemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland;
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48
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Omer AM, Sadik WAA, El-Demerdash AGM, Hassan HS. Formulation of pH-sensitive aminated chitosan–gelatin crosslinked hydrogel for oral drug delivery. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101384] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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49
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A Novel Approach of Bioesters Synthesis through Different Technologies by Highlighting the Lowest Energetic Consumption One. Polymers (Basel) 2021; 13:polym13234190. [PMID: 34883692 PMCID: PMC8659602 DOI: 10.3390/polym13234190] [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: 11/09/2021] [Revised: 11/26/2021] [Accepted: 11/28/2021] [Indexed: 11/20/2022] Open
Abstract
Fatty acids esters have a wide application as bioplasticizers and biolubricants in different industries, obtained mainly in classic batch reactors, through an equilibrium complex reaction, that involves high temperatures, long reaction times, vigorously stirring, and much energy consumption. To overcome these shortcomings, we synthesized a series of fatty acid esters (soybean oil fatty acids being the acid components with various hydroxyl compounds) through novel low energy consumption technologies using a bubble column reactor, a microwave field reactor and for comparison meaning, a classic batch reactor. The obtained bioesters physicochemical properties were similar to one another, a good concordance among their rheological properties was obtained, but the energetic consumption is lower when using the bubble column or the microwave reactors instead of the classical batch reactor.
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50
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Smith KA, Dang M, Baker AEG, Fuehrmann T, Fokina A, Shoichet MS. Synthesis of an Enzyme-Mediated Reversible Cross-linked Hydrogel for Cell Culture. Biomacromolecules 2021; 22:5118-5127. [PMID: 34752066 DOI: 10.1021/acs.biomac.1c01086] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Detachment of fragile cell types cultured on two-dimensional (2D) surfaces has been shown to be detrimental to their viability. For example, detachment of induced pluripotent stem cell (iPSC)-derived neurons grown in vitro in 2D typically results in loss of neuronal connections and/or cell death. Avoiding cell detachment altogether by changing the properties of the substrate on which the cells are grown is a compelling strategy to maintain cell viability. Here, we present the synthesis of a reversible cross-linked hydrogel that is sufficiently stable for cell culture and differentiation and is cleaved by an external stimulus, facilitating injection. Specifically, hyaluronan (HA) and methylcellulose (MC) were modified with ketone and aldehyde groups, respectively, and a TEV protease-degradable peptide was synthesized via solid-state synthesis and modified at both termini with oxyamine groups to cross-link HA-ketone and MC-aldehyde to produce oxime-cross-linked HA × MC. The HA × MC hydrogel demonstrated good stability, enzyme-sensitive degradation, and cytocompatibility with iPSC-derived neural progenitor cells, laying the framework for broad applicability.
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Affiliation(s)
- Kelti A Smith
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, ON M5S 3E5, Canada.,Donnelly Centre, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada.,Institute of Biomedical Engineering, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada
| | - Mickael Dang
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, ON M5S 3E5, Canada.,Donnelly Centre, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada.,Institute of Biomedical Engineering, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada
| | - Alexander E G Baker
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, ON M5S 3E5, Canada.,Donnelly Centre, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada.,Institute of Biomedical Engineering, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada
| | - Tobias Fuehrmann
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, ON M5S 3E5, Canada.,Donnelly Centre, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada
| | - Ana Fokina
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, ON M5S 3E5, Canada.,Donnelly Centre, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada
| | - Molly S Shoichet
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, ON M5S 3E5, Canada.,Donnelly Centre, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada.,Institute of Biomedical Engineering, University of Toronto, 160 College St, Toronto, ON M5S 3E1, Canada
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