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Ahmad A, Hassan A, Roy PG, Zhou S, Irfan A, Chaudhry AR, Kanwal F, Begum R, Farooqi ZH. Recent developments in chitosan based microgels and their hybrids. Int J Biol Macromol 2024; 260:129409. [PMID: 38224801 DOI: 10.1016/j.ijbiomac.2024.129409] [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: 11/17/2023] [Revised: 12/29/2023] [Accepted: 01/09/2024] [Indexed: 01/17/2024]
Abstract
Chitosan based microgels have gained great attention because of their chemical stability, biocompatibility, easy functionalization and potential uses in numerous fields. Production, properties, characterization and applications of chitosan based microgels have been systematically reviewed in this article. Some of these systems exhibit responsive behavior towards external stimuli like pH, light, temperature, glucose, etc. in terms of swelling/deswelling in an aqueous medium depending upon the functionalities present in the network which makes them a potential candidate for various applications in the fields of biomedicine, agriculture, catalysis, sensing and nanotechnology. Current research development and critical overview in this field accompanying by future possibilities is presented. The discussion is concluded with recommended possible future works for further progress in this field.
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Affiliation(s)
- Azhar Ahmad
- School of Chemistry, University of the Punjab, New Campus, Lahore 54590, Pakistan
| | - Ahmad Hassan
- School of Chemistry, University of the Punjab, New Campus, Lahore 54590, Pakistan
| | - Prashun Ghosh Roy
- Department of Chemistry of The College of Staten Island and Ph.D. Program in Chemistry of The Graduate Centre, The City University of New York, 2800 Victory Boulevard, Staten Island, NY 10314, United States
| | - Shuiqin Zhou
- Department of Chemistry of The College of Staten Island and Ph.D. Program in Chemistry of The Graduate Centre, The City University of New York, 2800 Victory Boulevard, Staten Island, NY 10314, United States
| | - Ahmad Irfan
- Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Aijaz Rasool Chaudhry
- Department of Physics, College of Science, University of Bisha, P.O. Box 551, Bisha 61922, Saudi Arabia
| | - Farah Kanwal
- School of Chemistry, University of the Punjab, New Campus, Lahore 54590, Pakistan
| | - Robina Begum
- School of Chemistry, University of the Punjab, New Campus, Lahore 54590, Pakistan.
| | - Zahoor H Farooqi
- School of Chemistry, University of the Punjab, New Campus, Lahore 54590, Pakistan.
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2
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Kumar N, Singh S, Sharma P, Kumar B, Kumar A. Single-, Dual-, and Multi-Stimuli-Responsive Nanogels for Biomedical Applications. Gels 2024; 10:61. [PMID: 38247784 PMCID: PMC10815403 DOI: 10.3390/gels10010061] [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: 12/19/2023] [Revised: 01/06/2024] [Accepted: 01/11/2024] [Indexed: 01/23/2024] Open
Abstract
In recent years, stimuli-responsive nanogels that can undergo suitable transitions under endogenous (e.g., pH, enzymes and reduction) or exogenous stimuli (e.g., temperature, light, and magnetic fields) for on-demand drug delivery, have received significant interest in biomedical fields, including drug delivery, tissue engineering, wound healing, and gene therapy due to their unique environment-sensitive properties. Furthermore, these nanogels have become very popular due to some of their special properties such as good hydrophilicity, high drug loading efficiency, flexibility, and excellent biocompatibility and biodegradability. In this article, the authors discuss current developments in the synthesis, properties, and biomedical applications of stimulus-responsive nanogels. In addition, the opportunities and challenges of nanogels for biomedical applications are also briefly predicted.
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Affiliation(s)
- Naveen Kumar
- Department of Chemistry, S.D. College Muzaffarnagar, Muzaffarnagar 251001, Uttar Pradesh, India
| | - Sauraj Singh
- College of Pharmacy, Gachon University, Incheon 13120, Republic of Korea;
| | - Piyush Sharma
- Department of Zoology, S.D. College Muzaffarnagar, Muzaffarnagar 251001, Uttar Pradesh, India;
| | - Bijender Kumar
- Creative Research Center for Nanocellulose Future Composites, Department of Mechanical Engineering, Inha University, Incheon 22212, Republic of Korea;
| | - Anuj Kumar
- School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
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He Y, Zang M, Zhang J, Cheng H, Cui Y, Wang D, Zhang H, Guan X, Wang S, Yuan Y, Gao Y. A universal powder-laden crosslinked chitosan microneedle patch for high-dose controllable drug delivery. Int J Biol Macromol 2024; 255:127988. [PMID: 37956809 DOI: 10.1016/j.ijbiomac.2023.127988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/23/2023] [Accepted: 11/07/2023] [Indexed: 11/15/2023]
Abstract
In this study, we constructed a novel powder-laden core-shell crosslinked chitosan microneedle patch for high-dose and controllable delivery of various drugs, including both macromolecular biological drugs and small-molecule chemical drugs. Direct loading of drug powders greatly improved drug loading capacity and minimized degradation. The results of the in vitro drug release study suggested that the release behaviors of the most tested drugs (both macromolecular drugs and small-molecule drugs) can be tuned by adjusting the crosslink density of the microneedle shell to achieve either rapid or sustained release of the loaded drug. The in vivo hypoglycemic efficacy test in streptozotocin-induced diabetic mice further proved that the onset and duration of the insulin-laden patch can be customized by adjusting the crosslink density. Furthermore, a combination of microneedle patches with different crosslink densities not only rapidly reduced blood glucose levels to normoglycemic levels (within 1 h) but also maintained normoglycemia for up to 36 h. The insulin loaded in the patch also showed good stability during storage at 40 °C for 6 months. Our results suggest that this powder-laden patch represents a strong candidate for addressing the multiple challenges in the preparation and application of polymeric microneedles and shows promise in clinical applications.
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Affiliation(s)
- Ye He
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Mingming Zang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jinting Zhang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Hui Cheng
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yong Cui
- Department of Biomedical Engineering, School of Medical Devices, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Da Wang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Haotian Zhang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Xinyao Guan
- Experimental Teaching Center, Faculty of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Siling Wang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yue Yuan
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Yikun Gao
- Department of Biomedical Engineering, School of Medical Devices, Shenyang Pharmaceutical University, Shenyang 110016, China.
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Falsafi SR, Topuz F, Bajer D, Mohebi Z, Shafieiuon M, Heydari H, Rawal S, Sathiyaseelan A, Wang MH, Khursheed R, Enayati MH, Rostamabadi H. Metal nanoparticles and carbohydrate polymers team up to improve biomedical outcomes. Biomed Pharmacother 2023; 168:115695. [PMID: 37839113 DOI: 10.1016/j.biopha.2023.115695] [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: 08/16/2023] [Revised: 09/28/2023] [Accepted: 10/09/2023] [Indexed: 10/17/2023] Open
Abstract
The convergence of carbohydrate polymers and metal nanoparticles (MNPs) holds great promise for biomedical applications. Researchers aim to exploit the capability of carbohydrate matrices to modulate the physicochemical properties of MNPs, promote their therapeutic efficiency, improve targeted drug delivery, and enhance their biocompatibility. Therefore, understanding various attributes of both carbohydrates and MNPs is the key to harnessing them for biomedical applications. The many distinct types of carbohydrate-MNP systems confer unique capabilities for drug delivery, wound healing, tissue engineering, cancer treatment, and even food packaging. Here, we introduce distinct physicochemical/biological properties of carbohydrates and MNPs, and discuss their potentials and shortcomings (alone and in combination) for biomedical applications. We then offer an overview on carbohydrate-MNP systems and how they can be utilized to improve biomedical outcomes. Last but not least, future perspectives toward the application of such systems are highlighted.
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Affiliation(s)
- Seid Reza Falsafi
- Safiabad Agricultural Research and Education and Natural Resources Center, Agricultural Research, Education and Extension Organization (AREEO), Dezful P.O. Box 333, Iran
| | - Fuat Topuz
- Department of Chemistry, Faculty of Science and Letters, Istanbul Technical University, Sariyer 34469, Istanbul, Turkey
| | - Dagmara Bajer
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland
| | - Zahra Mohebi
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Maryam Shafieiuon
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Hajar Heydari
- Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
| | - Shruti Rawal
- Department of Pharmaceutical Technology, L.J. Institute of Pharmacy, L J University, Ahmedabad 382210, India; Department of Pharmaceutics, Institute of Pharmacy, Nirma University, S.G. Highway, Chharodi, Ahmedabad, Gujarat 382481, India
| | - Anbazhagan Sathiyaseelan
- Department of Bio-Health Convergence, Kangwon National University, Chuncheon 200-701, South Korea
| | - Myeong-Hyeon Wang
- Department of Bio-Health Convergence, Kangwon National University, Chuncheon 200-701, South Korea
| | - Rubiya Khursheed
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - M H Enayati
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Hadis Rostamabadi
- Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran.
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Niu Y, Wu J, Kang Y, Sun P, Xiao Z, Zhao D. Recent advances of magnetic chitosan hydrogel: Preparation, properties and applications. Int J Biol Macromol 2023; 247:125722. [PMID: 37419264 DOI: 10.1016/j.ijbiomac.2023.125722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/19/2023] [Accepted: 07/04/2023] [Indexed: 07/09/2023]
Abstract
Magnetic chitosan hydrogels are organic-inorganic composite material with the characteristics of both magnetic materials and natural polysaccharides. Due to its biocompatibility, low toxicity and biodegradability, chitosan, a natural polymer has been widely used for preparing magnetic hydrogels. The addition of magnetic nanoparticles to chitosan hydrogels not only improves their mechanical strength, but also endows them with magnetic thermal effects, targeting capabilities, magnetically-sensitive release characteristics, easy separation and recovery, thus enabling them to be used in various applications including drug delivery, magnetic resonance imaging, magnetothermal therapy, and adsorption of heavy metals and dyes. In this review, the physical and chemical crosslinking methods of chitosan hydrogels and the methods for binding magnetic nanoparticles in hydrogel networks are first introduced. Subsequently, the properties of magnetic chitosan hydrogels were summarized including mechanical properties, self-healing, pH responsiveness and properties in magnetic fields. Finally, the potential for further technological and applicative advancements of magnetic chitosan hydrogels is discussed.
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Affiliation(s)
- Yunwei Niu
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China
| | - Jiahe Wu
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China
| | - Yanxiang Kang
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China
| | - Pingli Sun
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China
| | - Zuobing Xiao
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China; School of Agriculture and Biology, Shanghai Jiaotong University, No. 800 Dongchuan Road, Shanghai 200240, China
| | - Di Zhao
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, No. 100 Haiquan Road, Shanghai 201418, China.
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Lima-Tenório MK, Furmam-Cherobim F, Karas PR, Hyeda D, Takahashi WY, Pinto Junior AS, Galvão CW, Tenório-Neto ET, Etto RM. Azospirillum brasilense AbV5/6 encapsulation in dual-crosslinked beads based on cationic starch. Carbohydr Polym 2023; 308:120631. [PMID: 36813333 DOI: 10.1016/j.carbpol.2023.120631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/26/2022] [Accepted: 01/26/2023] [Indexed: 02/05/2023]
Abstract
The main challenge of agriculture is feeding the growing population and at the same time providing environmental sustainability. Using Azospirillum brasilense as a biofertilizer has proved to be a promising solution. However, its prevalence in soil has not been efficient due to biotic and abiotic stresses. Thus, to overcome this drawback, we encapsulated the A. brasilense AbV5 and AbV6 strains in a dual-crosslinked bead based on cationic starch. The starch was previously modified with ethylenediamine by an alkylation approach. Then, the beads were obtained by a dripping technique, crosslinking sodium tripolyphosphate with a blend containing starch, cationic starch, and chitosan. The AbV5/6 strains were encapsulated into the hydrogel beads by a swelling diffusion method followed by desiccation. Plants treated with encapsulated AbV5/6 cells showed an increase in the root length by 19 %, shoot fresh weight by 17 %, and the content of chlorophyll b by 71 %. The encapsulation of AbV5/6 strains showed to keep A. brasilense viability for at least 60 days and efficiency to promote maize growth.
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Affiliation(s)
- Michele K Lima-Tenório
- Microbial Molecular Biology Laboratory, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil; Postgraduate Program in Agronomy, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil.
| | - Fernanda Furmam-Cherobim
- Microbial Molecular Biology Laboratory, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil; Postgraduate Program in Agronomy, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil
| | - Pedro R Karas
- Microbial Molecular Biology Laboratory, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil
| | - Daiane Hyeda
- Microbial Molecular Biology Laboratory, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil; Postgraduate Program in Agronomy, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil
| | - Willian Y Takahashi
- Microbial Molecular Biology Laboratory, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil; Postgraduate Program in Agronomy, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil
| | - Arthur S Pinto Junior
- Simbiose Company, Manager of Research and Development, CEP: 98005-970 Cruz Alta, RS, Brazil
| | - Carolina W Galvão
- Microbial Molecular Biology Laboratory, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil; Postgraduate Program in Agronomy, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil.
| | - Ernandes T Tenório-Neto
- Laboratory of Multifunctional Polymeric Materials, State University of Ponta Grossa (UEPG), Department of Chemistry, L-27, CEP: 84030-900 Ponta Grossa, PR, Brazil.
| | - Rafael M Etto
- Microbial Molecular Biology Laboratory, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil; Postgraduate Program in Agronomy, State University of Ponta Grossa (UEPG), CEP: 84030-900 Ponta Grossa, PR, Brazil.
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Diselenide-triggered hydroxyethyl starch conjugate nanoparticles with cascade drug release properties for potentiating chemo-photodynamic therapy. Carbohydr Polym 2023; 311:120748. [PMID: 37028875 DOI: 10.1016/j.carbpol.2023.120748] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/20/2023] [Accepted: 02/22/2023] [Indexed: 03/04/2023]
Abstract
A novel type of diselenide bond-bridged hydroxyethyl starch-doxorubicin conjugate, HES-SeSe-DOX, was synthesized via a specially designed multistep synthetic route. The optimally achieved HES-SeSe-DOX was further combined with photosensitizer, chlorin E6 (Ce6), to self-assemble into HES-SeSe-DOX/Ce6 nanoparticles (NPs) for potentiating chemo-photodynamic anti-tumor therapy via diselenide-triggered cascade actions. HES-SeSe-DOX/Ce6 NPs were observed to disintegrate through the cleavage or oxidation of diselenide-bridged linkages in response to the stimuli arising from glutathione (GSH), hydrogen peroxide and Ce6-induced singlet oxygen, respectively, as evidenced by the enlarged size with irregular shapes and cascade drug release. In vitro cell studies exhibited that HES-SeSe-DOX/Ce6 NPs in combination with laser irradiation effectively consumed intracellular GSH and promoted a large rise in levels of reactive oxygen species in tumor cells, actuating the disruption of intracellular redox balance and the enhanced chemo-photodynamic cytotoxicity against tumor cells. The in vivo investigations revealed that HES-SeSe-DOX/Ce6 NPs were inclined to accumulate in tumors with persistent fluorescence emission, inhibited tumor growth with high efficacy and had good safety. These findings demonstrate the potential of HES-SeSe-DOX/Ce6 NPs for use in chemo-photodynamic tumor therapy and suggest their viability for clinical translation.
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Application of electrowetting on dielectric (EWOD) in drug release control and release-on-demand. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Vajhadin F, Mazloum-Ardakani M, Raeisi S, Hemati M, Ebadi A, Haghiralsadat F, Tofighi D. Glutaraldehyde crosslinked doxorubicin promotes drug delivery efficiency using cobalt ferrite nanoparticles. Colloids Surf B Biointerfaces 2022; 220:112870. [DOI: 10.1016/j.colsurfb.2022.112870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 09/15/2022] [Accepted: 09/21/2022] [Indexed: 10/14/2022]
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Gao XD, Zhang XB, Zhang RH, Yu DC, Chen XY, Hu YC, Chen L, Zhou HY. Aggressive strategies for regenerating intervertebral discs: stimulus-responsive composite hydrogels from single to multiscale delivery systems. J Mater Chem B 2022; 10:5696-5722. [PMID: 35852563 DOI: 10.1039/d2tb01066f] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
As our research on the physiopathology of intervertebral disc degeneration (IVD degeneration, IVDD) has advanced and tissue engineering has rapidly evolved, cell-, biomolecule- and nucleic acid-based hydrogel grafting strategies have been widely investigated for their ability to overcome the harsh microenvironment of IVDD. However, such single delivery systems suffer from excessive external dimensions, difficult performance control, the need for surgical implantation, and difficulty in eliminating degradation products. Stimulus-responsive composite hydrogels have good biocompatibility and controllable mechanical properties and can undergo solution-gel phase transition under certain conditions. Their combination with ready-to-use particles to form a multiscale delivery system may be a breakthrough for regenerative IVD strategies. In this paper, we focus on summarizing the progress of research on the stimulus response mechanisms of regenerative IVD-related biomaterials and their design as macro-, micro- and nanoparticles. Finally, we discuss multi-scale delivery systems as bioinks for bio-3D printing technology for customizing personalized artificial IVDs, which promises to take IVD regenerative strategies to new heights.
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Affiliation(s)
- Xi-Dan Gao
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu 730000, P. R. China.
| | - Xiao-Bo Zhang
- Department of Spine Surgery, Honghui Hospital, Xi'an Jiao tong University, Shaanxi 710000, P. R. China.
| | - Rui-Hao Zhang
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu 730000, P. R. China.
| | - De-Chen Yu
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu 730000, P. R. China.
| | - Xiang-Yi Chen
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu 730000, P. R. China.
| | - Yi-Cun Hu
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu 730000, P. R. China.
| | - Lang Chen
- Department of Gastrointestinal Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu 730000, P. R. China
| | - Hai-Yu Zhou
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu 730000, P. R. China.
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Chemically crosslinked guar gum hydrogels: An investigation on the water transport and its relationship with hydrocortisone release. Int J Pharm 2022; 617:121626. [PMID: 35245639 DOI: 10.1016/j.ijpharm.2022.121626] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 02/01/2022] [Accepted: 02/26/2022] [Indexed: 12/28/2022]
Abstract
In this work, we describe the synthesis, the characterization, and the potential application of a pH-responsive guar gum-based hydrogel. The polysaccharide produced permanent hydrogels with improved biocompatibility. In this work, we report the chemical modification of guar gum (with glycidyl methacrylate) and its use, as the main constituent, in obtaining chemically cross-linked hydrogels. The morphology, swelling properties, and cytotoxicity of the resulting materials were studied in-depth. The hydrogels showed to be pH-responsive, and non-toxic being safe to use it as a biomaterial. In addition, we tested the potential of this one as a drug carrier. Herein, we have chosen hydrocortisone (HCS) as a drug model. The mechanism of HCS release changed as a function of pH, owing to different responses in each medium. Our results indicate that the guar gum hydrogels have great potential to be used, with safety, as a drug carrier.
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12
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Wang Y, Cao F, Fu Y, Chen H, Zhang Y, Wang C, Li Y, Wang H. Preparation of diene-based nanoparticles by semibatch microemulsion polymerization and their catalytic hydrogenation. Catal Today 2022. [DOI: 10.1016/j.cattod.2022.01.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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13
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Potential wound dressings from electrospun medicated poly(butylene-adipate-co-terephthalate)/poly-(ε-caprolactone) microfibers. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116694] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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14
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Li M, Li H, Liu H, Zou Z, Xie C. Synthesis and Biological Evaluation of a Novel Glycidyl Metharcylate/Phaytic Acid-Based on Bagasse Xylan Composite Derivative. Polymers (Basel) 2021; 13:2084. [PMID: 34202747 PMCID: PMC8271638 DOI: 10.3390/polym13132084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 06/14/2021] [Accepted: 06/18/2021] [Indexed: 01/02/2023] Open
Abstract
The development of natural biomass materials with excellent properties is an attractive way to improve the application range of natural polysaccharides. Bagasse Xylan (BX) is a natural polysaccharide with various biological activities, such as antitumor, antioxidant, etc. Its physic-chemical and biological properties can be improved by functionalization. For this purpose, a novel glycidyl metharcylate/phytic acid based on a BX composite derivative was synthesized by a free radical polymerization technique with glycidyl metharcylate (GMA; GMABX) and further esterification with phytic acid (PA; GMABX-PA) in ionic liquid. The effects of the reaction conditions (i.e., temperature, time, initiator concentration, catalyst concentration, GMA concentration, PA concentration, mass of ionic liquid) on grafting rate(G), conversion rate(C) and degree of substitution(DS) are discussed. The structure of the composite material structure was confirmed by FTIR, 1H NMR and XRD. SEM confirmed the particle morphology of the composite derivative. The thermal stability of GMABX-PA was determined by TG-DTG. Molecular docking was further performed to study the combination mode of the GMABX-PA into the active site of two lung cancer proteins (5XNV, 2EB2) and a blood cancer protein (2M6N). In addition, tumor cell proliferation inhibition assays for BX, GMABX-PA were carried out using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetraz -olium bromide (MTT) method. The results showed that various reaction conditions exhibited favorable gradient curves, and that a maximum G of 56% for the graft copolymerization and a maximum DS of 0.267 can be achieved. The thermal stability was significantly improved, as demonstrated by the fact that there was still 60% residual at 800 °C. The molecular docking software generated satisfactory results with regard to the evaluated binding energy and combining sites. The inhibition ratio of GMABX-PA on NCI-H460 (lung cancer cells) reached 29.68% ± 4.45%, which is five times higher than that of BX. Therefore, the material was shown to be a potential candidate for biomedical applications as well as for use as a heat resistant material.
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Affiliation(s)
| | - Heping Li
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China; (M.L.); (H.L.); (Z.Z.); (C.X.)
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Yang D, Gao K, Bai Y, Lei L, Jia T, Yang K, Xue C. Microfluidic synthesis of chitosan-coated magnetic alginate microparticles for controlled and sustained drug delivery. Int J Biol Macromol 2021; 182:639-647. [PMID: 33857508 DOI: 10.1016/j.ijbiomac.2021.04.057] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/03/2021] [Accepted: 04/08/2021] [Indexed: 02/07/2023]
Abstract
The present work aimed to assemble a simple, portable and economical L-junction microfluidic device to realize the adjustment and tunability of homogeneous round-shaped particles synthesis. In this study, we synthesize two kind of microparticles, including magnetic alginate microparticles (MAM) and chitosan-coated magnetic alginate (CMAM) used for controlling the drug release under a mild condition. Comparing to the traditional method, the MAM synthesized via this microfluidic approach has uniform size distribution, adjustable diameter as well as tunable magnetism. By exploring the amoxicillin as model drug, the MAM displays excellent pH-sensitive release, the effect of particle size on the drug release rate was investigated as well. The results show the smaller particles (220 μm) show a faster release rate than the bigger materials (1000 μm) due to their larger specific area, providing more frequency to interact with the reaction solution. The positive polyelectrolyte, chitosan, coated on the magnetic alginate surface endows CMAM time extension in drug release by two times, successfully achieving drug controlled and sustained release via the kinetics analysis. In summary, this microfluidic approach provides a convenient and efficient fluidic design for the well-controlled synthesis of micro-and nanoscale particles, which is a potential choice used for controlled and sustained drug release.
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Affiliation(s)
- Dong Yang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Key Laboratory of Chemical Additives for China National Light Industry, Xi'an 710021, China.
| | - Keyi Gao
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Key Laboratory of Chemical Additives for China National Light Industry, Xi'an 710021, China
| | - Yang Bai
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Key Laboratory of Chemical Additives for China National Light Industry, Xi'an 710021, China
| | - Lei Lei
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Key Laboratory of Chemical Additives for China National Light Industry, Xi'an 710021, China
| | - Tongtong Jia
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Key Laboratory of Chemical Additives for China National Light Industry, Xi'an 710021, China
| | - Kaidi Yang
- College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Key Laboratory of Chemical Additives for China National Light Industry, Xi'an 710021, China
| | - Chaohua Xue
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
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Electrospun poly(lactic acid) (PLA)/poly(butylene adipate-co-terephthalate) (PBAT) nanofibers for the controlled release of cilostazol. Int J Biol Macromol 2021; 182:333-342. [PMID: 33798589 DOI: 10.1016/j.ijbiomac.2021.03.174] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 03/26/2021] [Accepted: 03/28/2021] [Indexed: 12/23/2022]
Abstract
Drug delivery devices are attractive alternatives to drugs usually orally administrated. Therefore, this work aimed to produce PLA/PBAT-based nanofibers for the controlled release of cilostazol, evaluating the effect of different drug concentrations (20 and 30%) over the properties of the fibers. The fibers were characterized by scanning electron microscopy (SEM), Fourier Transform Infrared Spectroscopy (FTIR), x-ray diffraction (XRD), differential scanning calorimetry (DSC), thermogravimetric (TG/DTG), and mechanical analysis. SEM results indicated a high concentration of drug crystals on the surface of the fibers that contained 20% of cilostazol. These fibers were also thinner, more crystalline, less thermally stable, and less fragile in comparison to the fibers containing 30% of cilostazol, according to the XRD, DSC, TG/DTG, and mechanical results. The controlled release assays indicated that the fibers containing 20% of cilostazol would be attractive for short-term releases, reaching the equilibrium after approximately 6 h, while the ones containing 30% would ensure a slower release (~ 12 h). Despite the differences, both fibers would improve and enhance the efficiency of the treatment, and they would also prevent possible side effects caused by the drug to the gastric system.
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17
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Carvalho BM, Pellá MCG, Hardt JC, de Souza Rossin AR, Tonet A, Ilipronti T, Caetano J, Dragunski DC. Ecovio®-based nanofibers as a potential fast transdermal releaser of aceclofenac. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.115206] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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