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Ma Y, Gou S, Zhu Z, Sun J, Shahbazi MA, Si T, Xu C, Ru J, Shi X, Reis RL, Kundu SC, Ke B, Nie G, Xiao B. Transient Mild Photothermia Improves Therapeutic Performance of Oral Nanomedicines with Enhanced Accumulation in the Colitis Mucosa. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309516. [PMID: 38085512 DOI: 10.1002/adma.202309516] [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: 09/14/2023] [Revised: 11/29/2023] [Indexed: 01/12/2024]
Abstract
The treatment outcomes of oral medications against ulcerative colitis (UC) have long been restricted by low drug accumulation in the colitis mucosa and subsequent unsatisfactory therapeutic efficacy. Here, high-performance pluronic F127 (P127)-modified gold shell (AuS)-polymeric core nanotherapeutics loading with curcumin (CUR) is constructed. Under near-infrared irradiation, the resultant P127-AuS@CURs generate transient mild photothermia (TMP; ≈42 °C, 10 min), which facilitates their penetration through colonic mucus and favors multiple cellular processes, including cell internalization, lysosomal escape, and controlled CUR release. This strategy relieves intracellular oxidative stress, improves wound healing, and reduces immune responses by polarizing the proinflammatory M1-type macrophages to the anti-inflammatory M2-type. Upon oral administration of hydrogel-encapsulating P127-AuS@CURs plus intestinal intralumen TMP, their therapeutic effects against acute and chronic UC are demonstrated to be superior to those of a widely used clinical drug, dexamethasone. The treatment of P127-AuS@CURs (+ TMP) elevates the proportions of beneficial bacteria (e.g., Lactobacillus and Lachnospiraceae), whose metabolites can also mitigate colitis symptoms by regulating genes associated with antioxidation, anti-inflammation, and wound healing. Overall, the intestinal intralumen TMP offers a promising approach to enhance the therapeutic outcomes of noninvasive medicines against UC.
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Affiliation(s)
- Ya Ma
- State Key Laboratory of Resource Insects, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Shuangquan Gou
- State Key Laboratory of Resource Insects, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Zhenhua Zhu
- Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Jianfeng Sun
- Botnar Research Centre, Nuffield Department of Orthopedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Headington, Oxford, OX3 7LD, UK
| | - Mohammad-Ali Shahbazi
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, Groningen, 9713 AV, Netherlands
| | - Tieyan Si
- School of Physics, Harbin Institute of Technology, Harbin, 150001, China
| | - Cheng Xu
- State Key Laboratory of Resource Insects, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Jinlong Ru
- Chair of Prevention of Microbial Diseases, School of Life Sciences Weihenstephan, Technical University of Munich, 85354, Freising, Germany
| | - Xiaoxiao Shi
- State Key Laboratory of Resource Insects, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
| | - Rui L Reis
- 3Bs Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Barco, Guimaraes, 4805-017, Portugal
- ICVS/3B's-PT Government Associate Laboratory, Braga, Guimaraes, 4800-058, Portugal
| | - Subhas C Kundu
- 3Bs Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Barco, Guimaraes, 4805-017, Portugal
- ICVS/3B's-PT Government Associate Laboratory, Braga, Guimaraes, 4800-058, Portugal
| | - Bowen Ke
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Guangjun Nie
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Bo Xiao
- State Key Laboratory of Resource Insects, College of Sericulture, Textile, and Biomass Sciences, Southwest University, Chongqing, 400715, China
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Anwer AH, Ahtesham A, Shoeb M, Mashkoor F, Ansari MZ, Zhu S, Jeong C. State-of-the-art advances in nanocomposite and bio-nanocomposite polymeric materials: A comprehensive review. Adv Colloid Interface Sci 2023; 318:102955. [PMID: 37467558 DOI: 10.1016/j.cis.2023.102955] [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: 02/09/2023] [Revised: 05/23/2023] [Accepted: 06/20/2023] [Indexed: 07/21/2023]
Abstract
The modern eco-friendly materials used in research and innovation today consist of nanocomposites and bio-nanocomposite polymers. Their unique composite properties make them suitable for various industrial, medicinal, and energy applications. Bio-nanocomposite polymers are made of biopolymer matrices that have nanofillers dispersed throughout them. There are several types of fillers that can be added to polymers to enhance their quality, such as cellulose-based fillers, clay nanomaterials, carbon black, talc, carbon quantum dots, and many others. Biopolymer-based nanocomposites are considered a superior alternative to traditional materials as they reduce reliance on fossil fuels and promote the use of renewable resources. This review covers the current state-of-the-art in nanocomposite and bio-nanocomposite materials, focusing on ways to improve their features and the various applications they can be used for. The review article also investigates the utilization of diverse nanocomposites as a viable approach for developing bio-nanocomposites. It delves into the underlying principles that govern the synthesis of these materials and explores their prospective applications in the biomedical field, food packaging, sensing (Immunosensors), and energy storage devices. Lastly, the review discusses the future outlook and current challenges of these materials, with a focus on sustainability.
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Affiliation(s)
- Abdul Hakeem Anwer
- School of Mechanical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Afreen Ahtesham
- School of Chemical Sciences University Sains Malaysia, Penang, Malaysia
| | - Mohd Shoeb
- School of Mechanical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Fouzia Mashkoor
- School of Mechanical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Mohd Zahid Ansari
- School of Materials Science and Engineering, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea
| | - Shushuai Zhu
- School of Mechanical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Changyoon Jeong
- School of Mechanical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
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3
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Fazal T, Murtaza BN, Shah M, Iqbal S, Rehman MU, Jaber F, Dera AA, Awwad NS, Ibrahium HA. Recent developments in natural biopolymer based drug delivery systems. RSC Adv 2023; 13:23087-23121. [PMID: 37529365 PMCID: PMC10388836 DOI: 10.1039/d3ra03369d] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 07/24/2023] [Indexed: 08/03/2023] Open
Abstract
Targeted delivery of drug molecules to diseased sites is a great challenge in pharmaceutical and biomedical sciences. Fabrication of drug delivery systems (DDS) to target and/or diagnose sick cells is an effective means to achieve good therapeutic results along with a minimal toxicological impact on healthy cells. Biopolymers are becoming an important class of materials owing to their biodegradability, good compatibility, non-toxicity, non-immunogenicity, and long blood circulation time and high drug loading ratio for both macros as well as micro-sized drug molecules. This review summarizes the recent trends in biopolymer-based DDS, forecasting their broad future clinical applications. Cellulose chitosan, starch, silk fibroins, collagen, albumin, gelatin, alginate, agar, proteins and peptides have shown potential applications in DDS. A range of synthetic techniques have been reported to design the DDS and are discussed in the current study which is being successfully employed in ocular, dental, transdermal and intranasal delivery systems. Different formulations of DDS are also overviewed in this review article along with synthesis techniques employed for designing the DDS. The possibility of these biopolymer applications points to a new route for creating unique DDS with enhanced therapeutic qualities for scaling up creative formulations up to the clinical level.
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Affiliation(s)
- Tanzeela Fazal
- Department of Chemistry, Abbottabad University of Science and Technology Pakistan
| | - Bibi Nazia Murtaza
- Department of Zoology, Abbottabad University of Science and Technology Pakistan
| | - Mazloom Shah
- Department of Chemistry, Faculty of Science, Grand Asian University Sialkot Pakistan
| | - Shahid Iqbal
- Department of Chemistry, School of Natural Sciences (SNS), National University of Science and Technology (NUST) H-12 Islamabad 46000 Pakistan
| | - Mujaddad-Ur Rehman
- Department of Microbiology, Abbottabad University of Science & Technology Pakistan
| | - Fadi Jaber
- Department of Biomedical Engineering, Ajman University Ajman UAE
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University Ajman UAE
| | - Ayed A Dera
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University Abha Saudi Arabia
| | - Nasser S Awwad
- Chemistry Department, Faculty of Science, King Khalid University P.O. Box 9004 Abha 61413 Saudi Arabia
| | - Hala A Ibrahium
- Biology Department, Faculty of Science, King Khalid University P.O. Box 9004 Abha 61413 Saudi Arabia
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4
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The Effect of Argon Plasma Surface Treatment on Poly(lactic-co-glycolic acid)/Collagen-Based Biomaterials for Bone Tissue Engineering. Biomimetics (Basel) 2022; 7:biomimetics7040218. [PMID: 36546918 PMCID: PMC9776356 DOI: 10.3390/biomimetics7040218] [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: 10/28/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 12/03/2022] Open
Abstract
Nonunion bone fractures can impact the quality of life and represent a major economic burden. Scaffold-based tissue engineering has shown promise as an alternative to bone grafting. Achieving desirable bone reconstruction requires appropriate surface properties, together with optimizing the internal architecture of 3D scaffolds. This study presents the surface modification of poly(lactic-co-glycolic acid) (PLGA), collagen, and PLGA-collagen via an argon plasma treatment. Argon plasma can modify the surface chemistry and topography of biomaterials and improve in vivo integration. Solvent-cast films were prepared using 1,1,1,3,3,3-hexafluoro-2-propanol and characterized via differential scanning calorimetry, thermogravimetric analysis, contact angle measurement, and critical surface tension analysis. For PLGA films, the water contact angle dropped from 70° to 42°, whereas the diiodomethane contact angle reduced from 53° to 32° after the plasma treatment. A set of PLGA-collagen formulations were loaded with nanohydroxyapatite (nHA) and polyethylene glycol (PEG) to enhance their osteoconductivity and hydrophilicity. Then, 3D scaffolds were fabricated using a 3D Bioplotter and characterized via Fourier-transform infrared (FTIR) spectroscopy. A bicinchoninic acid assay (BCA) was used to compare the protein release from the untreated and plasma-treated scaffolds into phosphate-buffered saline (PBS). The plasma-treated scaffolds had a lower protein release, and the difference compared to the untreated scaffolds was statistically significant.
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Perrotti V, Caponio VCA, Muzio LL, Choi EH, Marcantonio MCD, Mazzone M, Kaushik NK, Mincione G. Open Questions in Cold Atmospheric Plasma Treatment in Head and Neck Cancer: A Systematic Review. Int J Mol Sci 2022; 23:ijms231810238. [PMID: 36142145 PMCID: PMC9498988 DOI: 10.3390/ijms231810238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/24/2022] [Accepted: 08/31/2022] [Indexed: 12/09/2022] Open
Abstract
Over the past decade, we witnessed a promising application of cold atmospheric plasma (CAP) in cancer therapy. The aim of this systematic review was to provide an exhaustive state of the art of CAP employed for the treatment of head and neck cancer (HNC), a tumor whose late diagnosis, local recurrence, distant metastases, and treatment failure are the main causes of patients’ death. Specifically, the characteristics and settings of the CAP devices and the in vitro and in vivo treatment protocols were summarized to meet the urgent need for standardization. Its molecular mechanisms of action, as well as the successes and pitfalls of current CAP applications in HNC, were discussed. Finally, the interesting emerging preclinical hypotheses that warrant further clinical investigation have risen. A total of 24 studies were included. Most studies used a plasma jet device (54.2%). Argon resulted as the mostly employed working gas (33.32%). Direct and indirect plasma application was reported in 87.5% and 20.8% of studies, respectively. In vitro investigations were 79.17%, most of them concerned with direct treatment (78.94%). Only eight (33.32%) in vivo studies were found; three were conducted in mice, and five on human beings. CAP showed pro-apoptotic effects more efficiently in tumor cells than in normal cells by altering redox balance in a way that oxidative distress leads to cell death. In preclinical studies, it exhibited efficacy and tolerability. Results from this systematic review pointed out the current limitations of translational application of CAP in the urge of standardization of the current protocols while highlighting promising effects as supporting treatment in HNC.
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Affiliation(s)
- Vittoria Perrotti
- Department of Medical, Oral and Biotechnological Sciences, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
- Correspondence:
| | | | - Lorenzo Lo Muzio
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
| | - Eun Ha Choi
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea
| | - Maria Carmela Di Marcantonio
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Mariangela Mazzone
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea
| | - Gabriella Mincione
- Department of Innovative Technologies in Medicine & Dentistry, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy
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6
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A Modular Composite Device of Poly(Ethylene Oxide)/Poly(Butylene Terephthalate) (PEOT/PBT) Nanofibers and Gelatin as a Dual Drug Delivery System for Local Therapy of Soft Tissue Tumors. Int J Mol Sci 2022; 23:ijms23063239. [PMID: 35328661 PMCID: PMC8948985 DOI: 10.3390/ijms23063239] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/02/2022] [Accepted: 03/04/2022] [Indexed: 12/24/2022] Open
Abstract
In the clinical management of solid tumors, the possibility to successfully couple the regeneration of injured tissues with the elimination of residual tumor cells left after surgery could open doors to new therapeutic strategies. In this work, we present a composite hydrogel-electrospun nanofiber scaffold, showing a modular architecture for the delivery of two pharmaceutics with distinct release profiles, that is potentially suitable for local therapy and post-surgical treatment of solid soft tumors. The composite was obtained by coupling gelatin hydrogels to poly(ethylene oxide)/poly(butylene terephthalate) block copolymer nanofibers. Results of the scaffolds' characterization, together with the analysis of gelatin and drug release kinetics, displayed the possibility to modulate the device architecture to control the release kinetics of the drugs, also providing evidence of their activity. In vitro analyses were also performed using a human epithelioid sarcoma cell line. Furthermore, publicly available expression datasets were interrogated. Confocal imaging showcased the nontoxicity of these devices in vitro. ELISA assays confirmed a modulation of IL-10 inflammation-related cytokine supporting the role of this device in tissue repair. In silico analysis confirmed the role of IL-10 in solid tumors including 262 patients affected by sarcoma as a negative prognostic marker for overall survival. In conclusion, the developed modular composite device may provide a key-enabling technology for the treatment of soft tissue sarcoma.
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7
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Zhang Y, Jiang R, Lei L, Yang Y, Hu T. Drug delivery systems for oral disease applications. J Appl Oral Sci 2022; 30:e20210349. [PMID: 35262595 PMCID: PMC8908861 DOI: 10.1590/1678-7757-2021-0349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 12/14/2021] [Indexed: 02/08/2023] Open
Abstract
There are many restrictions on topical medications for the oral cavity. Various factors affect the topical application of drugs in the oral cavity, an open and complex environment. The complex physical and chemical environment of the oral cavity, such as saliva and food, will influence the effect of free drugs. Therefore, drug delivery systems have served as supporting structures or as carriers loading active ingredients, such as antimicrobial agents and growth factors (GFs), to promote antibacterial properties, tissue regeneration, and engineering for drug diffusion. These drug delivery systems are considered in the prevention and treatment of dental caries, periodontal disease, periapical disease, the delivery of anesthetic drugs, etc. These carrier materials are designed in different ways for clinical application, including nanoparticles, hydrogels, nanofibers, films, and scaffolds. This review aimed to summarize the advantages and disadvantages of different carrier materials. We discuss synthesis methods and their application scope to provide new perspectives for the development and preparation of more favorable and effective local oral drug delivery systems.
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Affiliation(s)
- Yue Zhang
- Sichuan University, West China Hospital of Stomatology, Department of Preventive Dentistry, State Key Laboratory of Oral Diseases, Chengdu, China
| | - Ruining Jiang
- Sichuan University, West China Hospital of Stomatology, Department of Preventive Dentistry, State Key Laboratory of Oral Diseases, Chengdu, China
| | - Lei Lei
- Sichuan University, West China Hospital of Stomatology, Department of Preventive Dentistry, State Key Laboratory of Oral Diseases, Chengdu, China
| | - Yingming Yang
- Sichuan University, West China Hospital of Stomatology, Department of Preventive Dentistry, State Key Laboratory of Oral Diseases, Chengdu, China
| | - Tao Hu
- Sichuan University, West China Hospital of Stomatology, Department of Preventive Dentistry, State Key Laboratory of Oral Diseases, Chengdu, China
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Özkahraman B, Özbaş Z, Yaşayan G, Akgüner ZP, Yarımcan F, Alarçin E, Bal-Öztürk A. Development of mucoadhesive modified kappa-carrageenan/pectin patches for controlled delivery of drug in the buccal cavity. J Biomed Mater Res B Appl Biomater 2021; 110:787-798. [PMID: 34846796 DOI: 10.1002/jbm.b.34958] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 08/12/2021] [Accepted: 10/10/2021] [Indexed: 12/16/2022]
Abstract
In this study, modified kappa-carrageenan/pectin hydrogel patches were fabricated for treatment of buccal fungal infections. For this purpose, kappa-carrageenan-g-acrylic acid was modified with different thiolated agents (L-cysteine and 3-mercaptopropionic acid), and the thiol content of the resulting modified kappa-carrageenan was confirmed by elemental analyzer. Then, the hydrogel patches were fabricated, and characterized by Fourier-transform infrared spectroscopy, thermogravimetric analysis, ex vivo mucoadhesion test, and swelling behavior. Triamcinolone acetonide was added either directly or by encapsulating within the poly(lactic-co-glycolic acid) nanoparticles. The release amount of the drug from the directly loaded patch was 7.81 mg/g polymer, while it was 3.28 mg/g polymer for the encapsulated patch with the same content at 7 hr. The hydrogel patches had no cytotoxicity by cell culture studies. Finally, the drug loaded hydrogel patches were demonstrated antifungal activity against Aspergillus fumigatus and Aspergillus flavus. These results provide that the novel modified kappa-carrageenan and pectin based buccal delivery system has promising antifungal property, and could have advantages compared to conventional buccal delivery systems.
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Affiliation(s)
- Bengi Özkahraman
- Department of Polymer Materials Engineering, Faculty of Engineering, Hitit University, Corum, Turkey
| | - Zehra Özbaş
- Department of Chemical Engineering, Faculty of Engineering, Çankırı Karatekin University, Çankırı, Turkey
| | - Gökçen Yaşayan
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Marmara University, Istanbul, Turkey
| | - Zeynep Püren Akgüner
- Department of Stem Cell and Tissue Engineering, Institute of Health Sciences, Istinye University, Istanbul, Turkey
| | - Filiz Yarımcan
- Department of Medical Microbiology, International School of Medicine, Istanbul Medipol University, Istanbul, Turkey
| | - Emine Alarçin
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Marmara University, Istanbul, Turkey
| | - Ayça Bal-Öztürk
- Department of Stem Cell and Tissue Engineering, Institute of Health Sciences, Istinye University, Istanbul, Turkey.,Department of Analytical Chemistry, Faculty of Pharmacy, Istinye University, Istanbul, Turkey
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9
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Biocompatible and Biomaterials Application in Drug Delivery System in Oral Cavity. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:9011226. [PMID: 34812267 PMCID: PMC8605911 DOI: 10.1155/2021/9011226] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 10/27/2021] [Indexed: 02/03/2023]
Abstract
Biomaterials applications have rapidly expanded into different fields of sciences. One of the important fields of using biomaterials is dentistry, which can facilitate implantation, surgery, and treatment of oral diseases such as peri-implantitis, periodontitis, and other dental problems. Drug delivery systems based on biocompatible materials play a vital role in the release of drugs into aim tissues of the oral cavity with minimum side effects. Therefore, scientists have studied various delivery systems to improve the efficacy and acceptability of therapeutic approaches in dental problems and oral diseases. Also, biomaterials could be utilized as carriers in biocompatible drug delivery systems. For instance, natural polymeric substances, such as gelatin, chitosan, calcium phosphate, alginate, and xanthan gum are used to prepare different forms of delivery systems. In addition, some alloys are conducted in drug complexes for the better in transportation. Delivery systems based on biomaterials are provided with different strategies, although individual biomaterial has advantages and disadvantages which have a significant influence on transportation of complex such as solubility in physiological environments or distribution in tissues. Biomaterials have antibacterial and anti-inflammatory effects and prolonged time contact and even enhance antibiotic activities in oral infections. Moreover, these biomaterials are commonly prepared in some forms such as particulate complex, fibers, microspheres, gels, hydrogels, and injectable systems. In this review, we examined the application of biocompatible materials in drug delivery systems of oral and dental diseases or problems.
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10
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Ahmady A, Abu Samah NH. A review: Gelatine as a bioadhesive material for medical and pharmaceutical applications. Int J Pharm 2021; 608:121037. [PMID: 34438009 DOI: 10.1016/j.ijpharm.2021.121037] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/10/2021] [Accepted: 08/20/2021] [Indexed: 12/23/2022]
Abstract
Bioadhesive polymers offer versatility to medical and pharmaceutical inventions. The incorporation of such materials to conventional dosage forms or medical devices may confer or improve the adhesivity of the bioadhesive systems, subsequently prolonging their residence time at the site of absorption or action and providing sustained release of actives with improved bioavailability and therapeutic outcomes. For decades, much focus has been put on scientific works to replace synthetic polymers with biopolymers with desirable functional properties. Gelatine has been considered one of the most promising biopolymers. Despite its biodegradability, biocompatibility and unique biological properties, gelatine exhibits poor mechanical and adhesive properties, limiting its end-use applications. The chemical modification and blending of gelatine with other biomaterials are strategies proposed to improve its bioadhesivity. Here we discuss the classical approaches involving a variety of polymer blends and composite systems containing gelatine, and gelatine modifications via thiolation, methacrylation, catechol conjugation, amination and other newly devised strategies. We highlight several of the latest studies on these strategies and their relevant findings.
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Affiliation(s)
- Amina Ahmady
- Department of Pharmaceutics, Faculty of Pharmacy, Universiti Teknologi MARA, Selangor Branch, Puncak Alam Campus, 42300 Puncak Alam, Malaysia
| | - Nor Hayati Abu Samah
- Department of Pharmaceutics, Faculty of Pharmacy, Universiti Teknologi MARA, Selangor Branch, Puncak Alam Campus, 42300 Puncak Alam, Malaysia.
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11
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Stubbe B, Mignon A, Van Damme L, Claes K, Hoeksema H, Monstrey S, Van Vlierberghe S, Dubruel P. Photo-Crosslinked Gelatin-Based Hydrogel Films to Support Wound Healing. Macromol Biosci 2021; 21:e2100246. [PMID: 34555246 DOI: 10.1002/mabi.202100246] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/30/2021] [Indexed: 11/11/2022]
Abstract
Gelatin is used widely in the biomedical field, among other for wound healing. Given its upper critical solution temperature, crosslinking is required. To this end, gelatin is chemically modified with different photo-crosslinkable moieties with low (32-34%) and high (63-65%) degree of substitution (DS): gelatin-methacrylamide (gel-MA) and gelatin-acrylamide (gel-AA) and gelatin-pentenamide (gel-PE). Next to the more researched gel-MA, it is especially interesting and novel to compare with other gelatin-derived compounds for the application of wound healing. An additional comparison is made with commercial dressings. The DS is directly proportional to the mechanical characteristics and inversely proportional to the swelling capacity. Gel-PE shows weaker mechanical properties (G' < 15 kPa) than gel-AA and gel-MA (G' < 39 and 45 kPa, respectively). All derivatives are predominantly elastic (recovery indices of 89-94%). Gel-AA and gel-MA show excellent biocompatibility, whereas gel-PE shows a significantly lower initial biocompatibility, evolving positively toward day 7. Overall, gel-MA shows to have the most potential to be applied as wound dressing. Future blending with gel-AA to improve the curing kinetics can lead to dressings able to compete with current commercial dressings.
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Affiliation(s)
- Birgit Stubbe
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-bis, Ghent, 9000, Belgium
| | - Arn Mignon
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-bis, Ghent, 9000, Belgium.,Smart Polymeric Biomaterials, Surface and Interface Engineered Materials, Biomaterials and Tissue Engineering, Campus Group T, KU Leuven, Andreas Vesaliusstraat 13, Leuven, 3000, Belgium
| | - Lana Van Damme
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-bis, Ghent, 9000, Belgium.,Department of Plastic and Reconstructive Surgery, Ghent University Hospital, Corneel Heymanslaan 10, Ghent, 9000, Belgium
| | - Karel Claes
- Department of Plastic and Reconstructive Surgery, Ghent University Hospital, Corneel Heymanslaan 10, Ghent, 9000, Belgium.,Ghent Burn Center, Ghent University Hospital, Corneel Heymanslaan 10, Ghent, 9000, Belgium
| | - Henk Hoeksema
- Department of Plastic and Reconstructive Surgery, Ghent University Hospital, Corneel Heymanslaan 10, Ghent, 9000, Belgium.,Ghent Burn Center, Ghent University Hospital, Corneel Heymanslaan 10, Ghent, 9000, Belgium
| | - Stan Monstrey
- Department of Plastic and Reconstructive Surgery, Ghent University Hospital, Corneel Heymanslaan 10, Ghent, 9000, Belgium.,Ghent Burn Center, Ghent University Hospital, Corneel Heymanslaan 10, Ghent, 9000, Belgium
| | - Sandra Van Vlierberghe
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-bis, Ghent, 9000, Belgium
| | - Peter Dubruel
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry, Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-bis, Ghent, 9000, Belgium
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12
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Mucoadhesion and Mechanical Assessment of Oral Films. Eur J Pharm Sci 2021; 159:105727. [DOI: 10.1016/j.ejps.2021.105727] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/16/2021] [Accepted: 01/17/2021] [Indexed: 02/07/2023]
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13
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Yu Y, Xu S, Li S, Pan H. Genipin-cross-linked hydrogels based on biomaterials for drug delivery: a review. Biomater Sci 2021; 9:1583-1597. [PMID: 33443245 DOI: 10.1039/d0bm01403f] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Genipin is a naturally occurring nontoxic cross-linker, which has been widely used for drug delivery due to its excellent biocompatibility, admirable biodegradability and stable cross-linked attributes. These advantages led to its extensive application in the fabrication of hydrogels for drug delivery. This review describes the physicochemical characteristics and pharmacological activities of genipin and attempts to elucidate the detailed mechanisms of the cross-linking reaction between genipin and biomaterials. The current article entails a general review of the different biomaterials cross-linked by genipin: chitosan and its derivatives, collagen, gelatin, etc. The genipin-cross-linked hydrogels for various pharmaceutical applications, including ocular drug delivery, buccal drug delivery, oral drug delivery, anti-inflammatory drug delivery, and antibiotic and antifungal drug delivery, are reported. Finally, the future research directions and challenges of genipin-cross-linked hydrogels for pharmaceutical applications are also discussed in this review.
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Affiliation(s)
- Yibin Yu
- School of Pharmacy, Liaoning University, Shenyang 110036, China. and Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325001, China
| | - Shuo Xu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Sanming Li
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Hao Pan
- School of Pharmacy, Liaoning University, Shenyang 110036, China.
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14
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Di Filippo MF, Albertini B, Dolci LS, Bonvicini F, Bigi A, Gentilomi GA, Passerini N, Panzavolta S. Novel drug-loaded film forming patch based on gelatin and snail slime. Int J Pharm 2021; 598:120408. [PMID: 33647415 DOI: 10.1016/j.ijpharm.2021.120408] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/12/2021] [Accepted: 02/15/2021] [Indexed: 12/20/2022]
Abstract
Gelatin-based films enriched with snail slime are proposed as novel biodegradable and naturally bioadhesive patches for cutaneous drug delivery. Films (thickness range 163-248 μm) were stretchable and they adhered firmly onto the wetted skin, especially those with high amount (70% V/V) of snail slime extract. Fluconazole was selected as model drug and added to films containing the highest amount of snail slime. The presence of Fluconazole (4.53 ± 0.07% w/w) did not modify significantly the mechanical properties, the swelling degree and the bioadhesive performances of the films. Structural investigations demonstrated that the crystalline form III of the drug changed to the amorphous one, forming an amorphous solid dispersion. Moreover, snail slime prevented the drug recrystallization over time. In vitro permeation studies showed that film exhibited a cumulative drug concentration (over 60% in 24 h) similar to that of the control solution containing 20% w/V of ethanol. Fluconazole-loaded gelatin films proved to be effective towards clinical isolates of Candida spp. indicating that the drug maintained its remarkable antifungal activity once formulated into gelatin and snail slime-based films. In conclusion, snail slime, thanks to its peculiar composition, has proved to be responsible of optimal skin adhesion, film flexibility and of the formation of a supersaturating drug delivery system able to increase skin permeation.
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Affiliation(s)
| | - Beatrice Albertini
- Department of Pharmacy and BioTechnology, University of Bologna, Via S. Donato 19/2, 40127, Italy
| | - Luisa Stella Dolci
- Department of Pharmacy and BioTechnology, University of Bologna, Via S. Donato 19/2, 40127, Italy.
| | - Francesca Bonvicini
- Department of Pharmacy and Biotechnology, University of Bologna, Via Massarenti 9, 40138, Italy
| | - Adriana Bigi
- Department of Chemistry "G. Ciamician", University of Bologna, Via Selmi 2, 40126, Italy
| | - Giovanna Angela Gentilomi
- Department of Pharmacy and Biotechnology, University of Bologna, Via Massarenti 9, 40138, Italy; Microbiology Unit, St Orsola-Malpighi University Hospital, Via Massarenti 9, 40138 Bologna, Italy
| | - Nadia Passerini
- Department of Pharmacy and BioTechnology, University of Bologna, Via S. Donato 19/2, 40127, Italy
| | - Silvia Panzavolta
- Department of Chemistry "G. Ciamician", University of Bologna, Via Selmi 2, 40126, Italy
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15
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Tan F, Fang Y, Zhu L, Al-Rubeai M. Cold atmospheric plasma as an interface biotechnology for enhancing surgical implants. Crit Rev Biotechnol 2021; 41:425-440. [PMID: 33622112 DOI: 10.1080/07388551.2020.1853671] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cold atmospheric plasma (CAP) has been intensively researched for direct treatment of living cells and tissues. Significant attention is now being given to its indirect applications in plasma medicine. Surgical implant is an exemplary conveyor to deliver the therapeutic effects of plasma to patients. There is a constant drive to enhance the clinical performance of surgical implants, targeting at the implant-tissue interface. As a versatile and potent tool, CAP is capable of ameliorating surgical implants using various strategies of interface biotechnology, such as surface modification, coating deposition, and drug delivery. Understanding the chemical, physical, mechanical, electrical, and pharmacological processes occurring at the implant-tissue interface is crucial to effective application of CAP as an interface biotechnology. This preclinical review focuses on the recent advances in CAP-assisted implant-based therapy for major surgical specialties. The ultimate goal here is to elicit unique opportunities and challenges for translating implant science to plasma medicine.
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Affiliation(s)
- Fei Tan
- Department of ORL-HNS, Affiliated East Hospital of Tongji University, Shanghai, China.,School of Medicine and Institute for Advanced Study, Tongji University, Shanghai, China.,The Royal College of Surgeons of England, London, UK
| | - Yin Fang
- School of Medicine and Institute for Advanced Study, Tongji University, Shanghai, China
| | - Liwei Zhu
- Department of ORL-HNS, Affiliated East Hospital of Tongji University, Shanghai, China
| | - Mohamed Al-Rubeai
- School of Chemical and Bioprocess Engineering, and Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
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16
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Dolci LS, Albertini B, Di Filippo MF, Bonvicini F, Passerini N, Panzavolta S. Development and in vitro evaluation of mucoadhesive gelatin films for the vaginal delivery of econazole. Int J Pharm 2020; 591:119979. [PMID: 33068694 DOI: 10.1016/j.ijpharm.2020.119979] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 02/02/2023]
Abstract
Several strategies have been explored to obtain effective econazole nitrate (ECN) concentrations at the site of application for a prolonged time. In this paper, different gelatin-based film formulations for vaginal application were investigated, containing ECN (10% w/w with respect to gelatin) as pure drug or as drug-solid dispersions (SD). For the production of SD, different polymers were evaluated: polyvinylpyrrolidone (PVP), Soluplus® (polyvinyl caprolactam-polyvinyl acetate-polyethylene glycol graft copolymer) and Gelucire® 50/13 (mixture of mono-, di- and triglycerides of fatty acids, esters of PEG 1500 and free PEG). Gelucire®-SD showed the best solubility enhancement, increasing 9.2 times the ECN solubility in pH 4.5 solution respect to pure drug; DSC and XRD analysis confirmed the crystalline form of the drug. XRD results evidenced that all gelatin-based films, containing either the drug or the SD, underwent the topotactic transformation of ECN into crystalline econazole (EC), owing to a strong interaction between the drug and the gelatin. Films containing Gelucire®-based SD displayed lower brittleness and rigidity with respect to the other samples; moreover they demonstrated good structural integrity after 24 h of incubation in the acidic solution (swelling degree of about 350%). Then, Gelucire®-SD based films were compared with the corresponding formulations cross-linked by genipin (2% w/w). The addition of genipin did not interfere with the drug-gelatin interaction. Gelucire®-SD based films showed similar release profiles to neat gelatin films, enhancing the drug release in the first 5 h and controlling the EC release over time, avoiding the use of a crosslinking additive. Finally, gelatin films containing Gelucire® solid dispersion displayed good adhesiveness and anti-Candida activity. Overall, results support the potential use of this film formulation as noncytotoxic EC delivery system for the treatment of vaginal candidiasis.
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Affiliation(s)
- Luisa Stella Dolci
- Department of Pharmacy and BioTechnology, Pharm. Tech. Lab, University of Bologna, Via S. Donato 19/2, 40127, Italy
| | - Beatrice Albertini
- Department of Pharmacy and BioTechnology, Pharm. Tech. Lab, University of Bologna, Via S. Donato 19/2, 40127, Italy.
| | | | - Francesca Bonvicini
- Department of Pharmacy and Biotechnology, Microbiology and Clinical Microbiology Lab, University of Bologna, Via Massarenti 9, 40138, Italy
| | - Nadia Passerini
- Department of Pharmacy and BioTechnology, Pharm. Tech. Lab, University of Bologna, Via S. Donato 19/2, 40127, Italy
| | - Silvia Panzavolta
- Department of Chemistry "G. Ciamician", University of Bologna, Via Selmi 2, 40126, Italy
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17
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18
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Mansurnezhad R, Ghasemi-Mobarakeh L, Coclite AM, Beigi MH, Gharibi H, Werzer O, Khodadadi-Khorzoughi M, Nasr-Esfahani MH. Fabrication, characterization and cytocompatibility assessment of gelatin nanofibers coated with a polymer thin film by initiated chemical vapor deposition. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 110:110623. [PMID: 32204065 DOI: 10.1016/j.msec.2019.110623] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 11/22/2019] [Accepted: 12/31/2019] [Indexed: 12/17/2022]
Abstract
The presence of various functional groups in the structure of gelatin nanofibers (GNFs) has made it a suitable candidate for biomedical applications, yet its fast dissolution in aqueous media has been a real challenge for years. In the present work, we propose an efficient procedure to improve the durability of the GNFs. The electrospun GNFs were coated with poly(ethylene glycol dimethacrylate) (pEGDMA) using initiated chemical vapor deposition (iCVD) as a completely dry polymerization method. Morphological and chemical analysis revealed that an ultrathin layer formed around nanofibers (iCVD-GNFs) which has covalently bonded to gelatin chains. Against the instant dissolution of GNFs, the in vitro biodegradability test showed the iCVD-GNFs, to a large extent, preserve their morphology after 14 days of immersion and did not lose its integrity even after 31 days. In vitro cell culture studies, also, revealed cytocompatibility of the iCVD-GNFs for human fibroblast cells (hFC), as well as higher cell proliferation on the iCVD-GNFs compared to control made from tissue culture plate (TCP). Furthermore, contact angle measurements indicated that the hydrophilic GNFs became hydrophobic after the iCVD, yet FE-SEM images of cell-seeded iCVD-GNFs showed satisfactory cell adhesion. Taken together, the proposed method paves a promising way for the production of water-resistant GNFs utilized in biomedical applications; for instance, tissue engineering scaffolds and wound dressings.
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Affiliation(s)
- Reza Mansurnezhad
- Department of Textile Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Laleh Ghasemi-Mobarakeh
- Department of Textile Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Anna Maria Coclite
- Institute for Solid State Physics, NAWI Graz, Graz University of Technology, 8010, Graz, Austria; BioTechMed, Graz, Austria.
| | - Mohammad-Hossein Beigi
- Silicon Hall: Micro/Nano Manufacturing Facility, Faculty of Engineering and Applied Science, Ontario Tech University, Ontario, Canada; Department of Cellular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Hamidreza Gharibi
- Innovation management and Technology Commercialization Center, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Oliver Werzer
- Institute of Pharmaceutical Science, Department of Pharmaceutical Technology, University of Graz, 8010, Graz, Austria
| | | | - Mohammad-Hossein Nasr-Esfahani
- Department of Cellular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
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19
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Dalei G, Das S, Das SP. Low-pressure nitrogen and ammonia plasma treatment on carboxymethyl guar gum/PVA hydrogels: impact on drug delivery, biocompatibility and biodegradability. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1695204] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Ganeswar Dalei
- Plasma Research Laboratory, Department of Chemistry, Ravenshaw University, Cuttack, Odisha, 753003, India
| | - Subhraseema Das
- Plasma Research Laboratory, Department of Chemistry, Ravenshaw University, Cuttack, Odisha, 753003, India
| | - Smruti Prava Das
- Plasma Research Laboratory, Department of Chemistry, Ravenshaw University, Cuttack, Odisha, 753003, India
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20
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Chen YQ, Cheng JH, Sun DW. Chemical, physical and physiological quality attributes of fruit and vegetables induced by cold plasma treatment: Mechanisms and application advances. Crit Rev Food Sci Nutr 2019; 60:2676-2690. [DOI: 10.1080/10408398.2019.1654429] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ya-Qi Chen
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangzhou Higher Education Mega Centre, Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou, China
- Guangzhou Higher Education Mega Centre, Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, Guangzhou, China
| | - Jun-Hu Cheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangzhou Higher Education Mega Centre, Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou, China
- Guangzhou Higher Education Mega Centre, Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, Guangzhou, China
| | - Da-Wen Sun
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangzhou Higher Education Mega Centre, Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou, China
- Guangzhou Higher Education Mega Centre, Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, Guangzhou, China
- Food Refrigeration and Computerized Food Technology (FRCFT), University College Dublin, National University of Ireland, Agriculture and Food Science Centre, Dublin 4, Ireland
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21
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Liguori A, Uranga J, Panzavolta S, Guerrero P, de la Caba K, Focarete ML. Electrospinning of Fish Gelatin Solution Containing Citric Acid: An Environmentally Friendly Approach to Prepare Crosslinked Gelatin Fibers. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2808. [PMID: 31480538 PMCID: PMC6747780 DOI: 10.3390/ma12172808] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/28/2019] [Accepted: 08/30/2019] [Indexed: 01/31/2023]
Abstract
The majority of the crosslinking approaches employed to confer water resistance properties to electrospun gelatin mats are based on the use of potential cytotoxic agents, turning out to be not suitable for biomedical applications. Environmentally friendly chemical strategies based on the use of non-toxic agents are, therefore, strongly demanded. In the present work, the possibility to produce crosslinked electrospun fish gelatin mats by electrospinning an aqueous solution, containing citric acid as a crosslinking agent, is reported. The effect of pH on solution rheological properties, as well as on the electrospun mat morphology, chemistry, and crosslinking degree, is assessed. The increase of solution pH from 1.8 to 3.7 allows for obtaining fibers that maintain the fibrous morphology also in the mat. Subsequent thermal treatment of the electrospun mat (80 °C for 30 min) turns out to increase the crosslinking degree and morphological stability of the mat.
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Affiliation(s)
- Anna Liguori
- Department of Chemistry "Giacomo Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Jone Uranga
- BIOMAT research group, University of the Basque Country (UPV/EHU), Engineering College of Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain
| | - Silvia Panzavolta
- Department of Chemistry "Giacomo Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Pedro Guerrero
- BIOMAT research group, University of the Basque Country (UPV/EHU), Engineering College of Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain
| | - Koro de la Caba
- BIOMAT research group, University of the Basque Country (UPV/EHU), Engineering College of Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain.
| | - Maria Letizia Focarete
- Department of Chemistry "Giacomo Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, 40126 Bologna, Italy.
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22
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Tian Y, Orlu M, Woerdenbag HJ, Scarpa M, Kiefer O, Kottke D, Sjöholm E, Öblom H, Sandler N, Hinrichs WLJ, Frijlink HW, Breitkreutz J, Visser JC. Oromucosal films: from patient centricity to production by printing techniques. Expert Opin Drug Deliv 2019; 16:981-993. [DOI: 10.1080/17425247.2019.1652595] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Yu Tian
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, AV, The Netherlands
| | - Mine Orlu
- School of Pharmacy, University College London, London, Bloomsbury, UK
| | - Herman J. Woerdenbag
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, AV, The Netherlands
| | | | - Olga Kiefer
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Dina Kottke
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Erica Sjöholm
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, FI, Finland
| | - Heidi Öblom
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, FI, Finland
| | - Niklas Sandler
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, FI, Finland
| | - Wouter L. J. Hinrichs
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, AV, The Netherlands
| | - Henderik W. Frijlink
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, AV, The Netherlands
| | - Jörg Breitkreutz
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - J. Carolina Visser
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, AV, The Netherlands
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23
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Pérez-González GL, Villarreal-Gómez LJ, Serrano-Medina A, Torres-Martínez EJ, Cornejo-Bravo JM. Mucoadhesive electrospun nanofibers for drug delivery systems: applications of polymers and the parameters' roles. Int J Nanomedicine 2019; 14:5271-5285. [PMID: 31409989 PMCID: PMC6643962 DOI: 10.2147/ijn.s193328] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 02/11/2019] [Indexed: 12/12/2022] Open
Abstract
Electrospun nanofibers have been widely studied for many medical applications. They can be designed with specific features, including mucoadhesive properties. This review summarizes the polymeric scaffolds obtained by the electrospinning process that has been applied for drug release in different mucosal sites such as oral, ocular, gastroenteric, vaginal, and nasal. We analyzed the electrospinning parameters that have to be optimized to create reproducible and efficient mucoadhesive nanofibers, among them are: electrical field, polymer concentration, viscosity, flow rate, needle-collector distance, solution conductivity, solvent, environmental parameters, and electrospinning setup. We also revised the mucoadhesive theories as well as the mucoadhesive properties of the polymers used. This review shows that the most studied mucosal site is the oral cavity, because it is accessible and easy to evaluate, while the rest are uncomfortable for the patient and difficult to assess in vivo. We found problems that need to be solved for mucoadhesive electrospun nanofibers, such as improving adhesion strength and mucosal permanence time, and the design of unidirectional release, multilayer systems for the treatment of several pathologies, to ensure the drug concentration in the tissue or target organ.
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Affiliation(s)
- Graciela Lizeth Pérez-González
- Escuela de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, Baja California, México.,Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
| | - Luis Jesús Villarreal-Gómez
- Escuela de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, Baja California, México.,Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
| | - Aracely Serrano-Medina
- Facultad de Medicina y Psicología, Universidad Autónoma de Baja California, Unidad Otay, Tijuana, Baja California, México
| | - Erick José Torres-Martínez
- Escuela de Ciencias de la Ingeniería y Tecnología, Universidad Autónoma de Baja California, Unidad Valle de las Palmas, Tijuana, Baja California, México.,Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
| | - José Manuel Cornejo-Bravo
- Facultad de Ciencias Químicas e Ingeniería, Universidad Autónoma de Baja California, Calzada Universidad 14418 Parque Industrial Internacional, Tijuana, Baja California 22390, México
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