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Guo W, Liu H, Zhang J, Zhang J, Wang F, Zhang P, Yang Y. Preparation and characterization of a novel composite acellular matrix/hyaluronic acid thermosensitive hydrogel for interstitial cystitis/bladder pain syndrome. J Biomed Mater Res A 2024; 112:449-462. [PMID: 37975156 DOI: 10.1002/jbm.a.37643] [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: 02/13/2023] [Revised: 10/14/2023] [Accepted: 10/25/2023] [Indexed: 11/19/2023]
Abstract
Bladder mucosa damage that causes harm to the interstitium is a recognized pathogenesis of interstitial cystitis/bladder pain syndrome (IC/BPS). The intravesical instillation of drugs is an important second-line therapy, but it is often necessary to use drugs repeatedly in the clinic because of their short residence time in the bladder cavity, which alters the therapeutic effect. To overcome this drawback, this study developed a novel composite acellular matrix/hyaluronic acid (HA) thermosensitive hydrogel (HA-Gel) using rabbit small intestinal submucosa extracellular matrix (ECM) as the thermosensitive material and HA as the drug component and examined its composition, microstructure, thermodynamic properties, temperature sensitivity, rheological properties, biocompatibility, drug release, hydrogel residue, and bacteriostatic properties. The study showed HA-Gel was liquid at temperatures of 15-37.5°C and solid at 37.5-50°C, its swelling rate decreased with increasing temperature, and its lower critical solution temperature occurred at approximately 37.5°C. This property made the hydrogel liquid at room temperature convenient for intravesical perfusion and turned into a solid about 1 min after entering the body and rising to body temperature to increase its residence time. Subsequent experiments also proved that the gel residue time of HA-Gel in vivo and the drug release time of HA in vivo could reach more than 5 days, which was significantly higher than that of HA alone, and it had good biocompatibility and antibacterial properties. Therefore, this hydrogel possesses the proper characteristics to possibly make it an ideal dosage form for IC/BPS intravesical instillation therapy.
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Affiliation(s)
- Wei Guo
- Department of Urology, Beijing Chao-Yang Hospital, Beijing, China
| | - Haichao Liu
- Department of Urology, Hebei Yanda Hospital, West of SiPuLan Road, Langfang, China
| | - Jiaxing Zhang
- Department of Urology, Hebei Yanda Hospital, West of SiPuLan Road, Langfang, China
| | - Jianzhong Zhang
- Department of Urology, Beijing Chao-Yang Hospital, Beijing, China
| | - Fei Wang
- Department of Urology, Beijing Chao-Yang Hospital, Beijing, China
| | - Peng Zhang
- Department of Urology, Beijing Chao-Yang Hospital, Beijing, China
| | - Yunbo Yang
- Department of Urology, Hebei Yanda Hospital, West of SiPuLan Road, Langfang, China
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Zhdanov VP. Release of molecules from nanocarriers. Phys Chem Chem Phys 2023; 25:28955-28964. [PMID: 37855700 DOI: 10.1039/d3cp01855e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
Release of drugs or vaccine molecules from macro-, micro-, and nano-sized carriers is usually considered to be limited by diffusion and/or carrier dissolution and/or erosion. The corresponding experimentally observed kinetics are customarily fitted by using the empirical Weibull and Korsemeyer-Peppas expressions. With decreasing size of carriers down to about 100 nm, the timescale of diffusion decreases, and accordingly the release can be kinetically limited, i.e., controlled by jumps of molecules located near the carrier-solution interface. In addition, nanocarriers (e.g., lipid nanoparticles) are often structurally heterogeneous so that the absorption of molecules there can be interpreted in terms of energetic heterogeneity, i.e., distribution of energies corresponding to binding sites and activation barriers for release. Herein, I present a general kinetic model aimed at such situations. For illustration, the deviation of the molecule binding energy from the maximum value was considered to be about 4-8 kcal mol-1. With this physically reasonable (for non-covalent interaction) scale of energetic heterogeneity, the predicted kinetics (i) are linear in the very beginning and then, with increasing time, become logarithmic and (ii) can be nearly perfectly fitted by employing the Weibull or Korsmeyer-Peppas expressions with the exponent in the range from 0.6 to 0.75. Such values of the exponent are often obtained in experiments and customarily associated with non-Fickian diffusion. My analysis shows that the energetic heterogeneity can be operative here as well.
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Affiliation(s)
- Vladimir P Zhdanov
- Section of Nano and Biophysics, Department of Physics, Chalmers University of Technology, Göteborg, Sweden.
- Boreskov Institute of Catalysis, Russian Academy of Sciences, Novosibirsk, Russia.
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He X, Mao H, Wang S, Tian Z, Zhou T, Cai L. Fabrication of chitosan/phenylboronic acid/SiO 2 hydrogel composite silk fabrics for enhanced adsorption and controllable release on luteolin. Int J Biol Macromol 2023; 248:125926. [PMID: 37481188 DOI: 10.1016/j.ijbiomac.2023.125926] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/29/2023] [Accepted: 07/19/2023] [Indexed: 07/24/2023]
Abstract
Due to the growing demand for self-health and safety, eco-friendly health textile products with natural colors and pharmacological functionalities have gained considerable popularity. Rapid adsorption and controlled release of active molecules are important issues for functional health textiles. In this study, a functionalized chitosan-based hydrogel composite silk fabric was prepared using chitosan, 3-carboxyphenylboronic acid, and 3-(2, 3-epoxypropyl oxygen) propyl silane by dip-pad and vacuum freeze-drying techniques. The results showed that the incorporation of chitosan/phenylboronic/SiO2 hydrogel into silk fibers improved the UV protection capacity, mechanical properties, and adsorption properties of silk fabrics. The effects of various parameters on the luteolin adsorption properties of silk fabrics were discussed, including metal salt types, salt dosage, pH value, dyeing temperature, initial luteolin concentration, and dyeing time. Under the dyeing temperature of 60 °C and pH of 6.8, the luteolin exhaustion of the composite silk was more than that of the untreated silk, and the adsorption process followed the quasi-second-order kinetic model and the Langmuir adsorption isotherm model. Furthermore, the luteolin-dyed composite silk materials exhibited strong antioxidant activity and controllable release behavior with various pH levels. The as-prepared chitosan-hydrogel composite silk could be a promising material for the sustained release of drugs in medical and healthcare textiles.
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Affiliation(s)
- Xuemei He
- School of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Haiyan Mao
- School of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Shuzhen Wang
- School of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Zhongliang Tian
- School of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Tianchi Zhou
- School of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Lu Cai
- School of Textiles and Clothing, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China.
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Ye J, Liu L, Lan W, Xiong J. Targeted release of soybean peptide from CMC/PVA hydrogels in simulated intestinal fluid and their pharmacokinetics. Carbohydr Polym 2023; 310:120713. [PMID: 36925260 DOI: 10.1016/j.carbpol.2023.120713] [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: 12/13/2022] [Revised: 02/12/2023] [Accepted: 02/13/2023] [Indexed: 02/21/2023]
Abstract
Carboxymethyl cellulose (CMC)/polyvinyl alcohol (PVA) hydrogels loaded with soybean peptide (SPE) were fabricated via a freeze-thaw method. These hydrogels conquer barriers in simulated gastric fluid (SGF), and then release SPE in simulated intestinal fluid (SIF). The results of in vitro SPE release from these hydrogels showed that in SGF only a little of the SPE released, but in SIF the SPE was completely released. The released SPE had scavenging rates for DPPH and ABTS free radicals of 41.68 and 31.43 %. The pharmacokinetic model of SPE release from the hydrogels in SIF was studied. When the hydrogels are moved from SGF to SIF, the sorption of the shrinkage hydrogel network is entirely controlled by stress-induced relaxations. There are swollen and shrunken regions during SPE release. For SPE release into the SIF, SPE has to be freed from the weak bonds in the swollen regions by changes in the conformation of CMC and PVA. The release rate of SPE was found to be governed by the diffusion and swelling rate of the shrinkage hydrogel network. The Korsmeyer-Peppas equation diffusion exponents (n) for SPE release from the hydrogels are >2.063, indicating a super case II transport. These data demonstrate CMC/PVA hydrogels have potential applications in oral peptide delivery.
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Affiliation(s)
- Jun Ye
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Luying Liu
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Wu Lan
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jian Xiong
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
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Taokaew S, Kaewkong W, Kriangkrai W. Recent Development of Functional Chitosan-Based Hydrogels for Pharmaceutical and Biomedical Applications. Gels 2023; 9:277. [PMID: 37102889 PMCID: PMC10138304 DOI: 10.3390/gels9040277] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
Chitosan is a promising naturally derived polysaccharide to be used in hydrogel forms for pharmaceutical and biomedical applications. The multifunctional chitosan-based hydrogels have attractive properties such as the ability to encapsulate, carry, and release the drug, biocompatibility, biodegradability, and non-immunogenicity. In this review, the advanced functions of the chitosan-based hydrogels are summarized, with emphasis on fabrications and resultant properties reported in literature from the recent decade. The recent progress in the applications of drug delivery, tissue engineering, disease treatments, and biosensors are reviewed. Current challenges and future development direction of the chitosan-based hydrogels for pharmaceutical and biomedical applications are prospected.
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Affiliation(s)
- Siriporn Taokaew
- Department of Materials Science and Bioengineering, School of Engineering, Nagaoka University of Technology, Nagaoka 940-2188, Japan
| | - Worasak Kaewkong
- Department of Biochemistry, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand;
| | - Worawut Kriangkrai
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok 65000, Thailand
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Zhang Y, Zhou J, Zhang Y, Zhang D, Yong KT, Xiong J. Elastic Fibers/Fabrics for Wearables and Bioelectronics. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203808. [PMID: 36253094 PMCID: PMC9762321 DOI: 10.1002/advs.202203808] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 09/01/2022] [Indexed: 06/16/2023]
Abstract
Wearables and bioelectronics rely on breathable interface devices with bioaffinity, biocompatibility, and smart functionality for interactions between beings and things and the surrounding environment. Elastic fibers/fabrics with mechanical adaptivity to various deformations and complex substrates, are promising to act as fillers, carriers, substrates, dressings, and scaffolds in the construction of biointerfaces for the human body, skins, organs, and plants, realizing functions such as energy exchange, sensing, perception, augmented virtuality, health monitoring, disease diagnosis, and intervention therapy. This review summarizes and highlights the latest breakthroughs of elastic fibers/fabrics for wearables and bioelectronics, aiming to offer insights into elasticity mechanisms, production methods, and electrical components integration strategies with fibers/fabrics, presenting a profile of elastic fibers/fabrics for energy management, sensors, e-skins, thermal management, personal protection, wound healing, biosensing, and drug delivery. The trans-disciplinary application of elastic fibers/fabrics from wearables to biomedicine provides important inspiration for technology transplantation and function integration to adapt different application systems. As a discussion platform, here the main challenges and possible solutions in the field are proposed, hopefully can provide guidance for promoting the development of elastic e-textiles in consideration of the trade-off between mechanical/electrical performance, industrial-scale production, diverse environmental adaptivity, and multiscenario on-spot applications.
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Affiliation(s)
- Yufan Zhang
- Innovation Center for Textile Science and TechnologyDonghua UniversityShanghai201620China
| | - Jiahui Zhou
- College of Textile and Clothing EngineeringSoochow UniversitySuzhou215123China
| | - Yue Zhang
- College of Textile and Clothing EngineeringSoochow UniversitySuzhou215123China
| | - Desuo Zhang
- College of Textile and Clothing EngineeringSoochow UniversitySuzhou215123China
| | - Ken Tye Yong
- School of Biomedical EngineeringThe University of SydneySydneyNew South Wales2006Australia
| | - Jiaqing Xiong
- Innovation Center for Textile Science and TechnologyDonghua UniversityShanghai201620China
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