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Mrówka M, Lenża-Czempik J, Dawicka A, Skonieczna M. Polyurethane-Based Nanocomposites for Regenerative Therapies of Cancer Skin Surgery with Low Inflammatory Potential to Healthy Fibroblasts and Keratinocytes In Vitro. ACS OMEGA 2023; 8:37769-37780. [PMID: 37867722 PMCID: PMC10586018 DOI: 10.1021/acsomega.3c01663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 09/05/2023] [Indexed: 10/24/2023]
Abstract
Nanocomposites based on thermoplastic polyurethanes (TPUs) filled with halloysite nanotubes (HNTs) were studied for their physicochemical and biological properties. Nanocomposites containing halloysite nanotube filler contents of 1 and 2% (E+1 and E+2), respectively, were obtained by extrusion. The newly formed E+1 and E+2 nanomaterials exhibited better flexibility and similar thermal properties compared to neat polyurethane. The use of atomic force microscopy (AFM) and differential scanning calorimetry (DSC) thermogram analysis showed that the distribution of halloysite nanotubes in the polymer matrix is more evenly dispersed in the E+1 nanomaterial, where the grains in the E+2 nanomaterial have a greater tendency to form agglomerates. Mechanical tests have shown that nanocomposites with the addition of HNT are characterized by a higher stress at break and elongation at break compared to neat TPU. The results of cytotoxicity tests suggest that the nanocomposite materials express lower toxicity to normal HaCaT and NHDF than to cancer Me45 cells. Further studies showed that the tested materials induced the expression of proinflammatory interleukins IL6 and IL8 in normal cells, but their overexpression in the cancer cell line resulted in cytostatic effects and proliferation reduction. Such a conclusion suggests the possible application of tested materials for regenerative therapies in cancer surgeries.
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Affiliation(s)
- Maciej Mrówka
- Department
of Material Technologies, Faculty of Material Engineering, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland
- Material
Innovations Laboratory, Silesian University
of Technology, Krasińskiego
8, 40-019 Katowice, Poland
| | | | - Anahit Dawicka
- Biotechnology
Center, Silesian University of Technology, Krzywoustego 8, 44-100 Gliwice, Poland
- Department
of Systems Biology and Engineering, Silesian
University of Technology, Akademicka 16, 44-100 Gliwice, Poland
| | - Magdalena Skonieczna
- Biotechnology
Center, Silesian University of Technology, Krzywoustego 8, 44-100 Gliwice, Poland
- Department
of Systems Biology and Engineering, Silesian
University of Technology, Akademicka 16, 44-100 Gliwice, Poland
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Stodolak-Zych E, Rapacz-Kmita A, Gajek M, Różycka A, Dudek M, Kluska S. Functionalized Halloysite Nanotubes as Potential Drug Carriers. J Funct Biomater 2023; 14:jfb14030167. [PMID: 36976091 PMCID: PMC10053390 DOI: 10.3390/jfb14030167] [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: 03/01/2023] [Revised: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 03/29/2023] Open
Abstract
The aim of the work was to examine the possibility of using modified halloysite nanotubes as a gentamicin carrier and to determine the usefulness of the modification in terms of the effect on the amount of the drug attached, its release time, but also on the biocidal properties of the carriers. In order to fully examine the halloysite in terms of the possibility of gentamicin incorporating, a number of modifications of the native halloysite were carried out prior to gentamicin intercalation with the use of sodium alkali, sulfuric and phosphoric acids, curcumin and the process of delamination of nanotubes (expanded halloysite) with ammonium persulfate in sulfuric acid. Gentamicin was added to unmodified and modified halloysite in an amount corresponding to the cation exchange capacity of pure halloysite from the Polish Dunino deposit, which was the reference sample for all modified carriers. The obtained materials were tested to determine the effect of surface modification and their interaction with the introduced antibiotic on the biological activity of the carrier, kinetics of drug release, as well as on the antibacterial activity against Escherichia coli Gram-negative bacteria (reference strain). For all materials, structural changes were examined using infrared spectroscopy (FTIR) and X-ray diffraction (XRD); thermal differential scanning calorimetry with thermogravimetric analysis (DSC/TG) was performed as well. The samples were also observed for morphological changes after modification and drug activation by transmission electron microscopy (TEM). The conducted tests clearly show that all samples of halloysite intercalated with gentamicin showed high antibacterial activity, with the highest antibacterial activity for the sample modified with sodium hydroxide and intercalated with the drug. It was found that the type of halloysite surface modification has a significant effect on the amount of gentamicin intercalated and then released into the surrounding environment but does not significantly affect its ability to further influence drug release over time. The highest amount of drug released among all intercalated samples was recorded for halloysite modified with ammonium persulfate (real loading efficiency above 11%), for which high antibacterial activity was found after surface modification, before drug intercalation. It is also worth noting that intrinsic antibacterial activity was found for non-drug-intercalated materials after surface functionalization with phosphoric acid (V) and ammonium persulfate in the presence of sulfuric acid (V).
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Affiliation(s)
- Ewa Stodolak-Zych
- Faculty of Materials Science and Ceramics, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland
| | - Alicja Rapacz-Kmita
- Faculty of Materials Science and Ceramics, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland
| | - Marcin Gajek
- Faculty of Materials Science and Ceramics, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland
| | - Agnieszka Różycka
- Faculty of Materials Science and Ceramics, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland
| | - Magdalena Dudek
- Faculty of Energy and Fuels, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland
| | - Stanisława Kluska
- Faculty of Materials Science and Ceramics, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland
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Pumchan A, Sae-Ueng U, Prasittichai C, Sirisuay S, Areechon N, Unajak S. A Novel Efficient Piscine Oral Nano-Vaccine Delivery System: Modified Halloysite Nanotubes (HNTs) Preventing Streptococcosis Disease in Tilapia ( Oreochromis sp.). Vaccines (Basel) 2022; 10:1180. [PMID: 35893829 PMCID: PMC9331641 DOI: 10.3390/vaccines10081180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 07/19/2022] [Accepted: 07/21/2022] [Indexed: 11/17/2022] Open
Abstract
Generally, the injection method is recommended as the best efficient method for vaccine applications in fish. However, labor-intensive and difficult injection for certain fish sizes is always considered as a limitation to aquatic animals. To demonstrate the effectiveness of a novel oral delivery system for the piscine vaccine with nano-delivery made from nano clay, halloysite nanotubes (HNTs) and their modified forms were loaded with killed vaccines, and we determined the ability of the system in releasing vaccines in a mimic digestive system. The efficaciousness of the oral piscine vaccine nano-delivery system was evaluated for its level of antibody production and for the level of disease prevention in tilapia. Herein, unmodified HNTs (H) and modified HNTs [HNT-Chitosan (HC), HNT-APTES (HA) and HNT-APTES-Chitosan (HAC)] successfully harbored streptococcal bivalent vaccine with inactivated S. agalactiae, designated as HF, HAF, HCF and HACF. The releasing of the loading antigens in the mimic digestive tract demonstrated a diverse pattern of protein releasing depending on the types of HNTs. Remarkably, HCF could properly release loading antigens with relevance to the increasing pH buffer. The oral vaccines revealed the greatest elevation of specific antibodies to S. agalactiae serotype Ia in HCF orally administered fish and to some extent in serotype III. The efficacy of streptococcal disease protection was determined by continually feeding with HF-, HAF-, HCF- and HACF-coated feed pellets for 7 days in the 1st and 3rd week. HCF showed significant RPS (75.00 ± 10.83%) among the other tested groups. Interestingly, the HCF-treated group exhibited noticeable efficacy similar to the bivalent-vaccine-injected group (RPS 81.25 ± 0.00%). This novel nano-delivery system for the fish vaccine was successfully developed and exhibited appropriated immune stimulation and promised disease prevention through oral administration. This delivery system can greatly support animals' immune stimulation, which conquers the limitation in vaccine applications in aquaculture systems. Moreover, this delivery system can be applied to carrying diverse types of biologics, including DNA, RNA and subunit protein vaccines.
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Affiliation(s)
- Ansaya Pumchan
- Department of Biochemistry, Faculty of Science, Kasetsart University, 50 Ngam Wong Wan, Chatuchak, Bangkok 10900, Thailand;
- Kasetsart Vaccines and Bio-Product Innovation Centre, Kasetsart University, 50 Ngam Wong Wan, Chatuchak, Bangkok 10900, Thailand
| | - Udom Sae-Ueng
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand;
| | - Chaiya Prasittichai
- Department of Chemistry, Faculty of Science, Kasetsart University, 50 Ngam Wong Wan, Chatuchak, Bangkok 10900, Thailand;
| | - Soranuth Sirisuay
- Department of Aquaculture, Faculty of Fisheries, Kasetsart University, 50 Ngam Wong Wan Road, Chatuchak, Bangkok 10900, Thailand; (S.S.); (N.A.)
| | - Nontawith Areechon
- Department of Aquaculture, Faculty of Fisheries, Kasetsart University, 50 Ngam Wong Wan Road, Chatuchak, Bangkok 10900, Thailand; (S.S.); (N.A.)
| | - Sasimanas Unajak
- Department of Biochemistry, Faculty of Science, Kasetsart University, 50 Ngam Wong Wan, Chatuchak, Bangkok 10900, Thailand;
- Kasetsart Vaccines and Bio-Product Innovation Centre, Kasetsart University, 50 Ngam Wong Wan, Chatuchak, Bangkok 10900, Thailand
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Amarasekara Y, Perera IC, Katuwavila NP, Jayakody RS, Amaratunga GA, Weerasinghe L. Evaluation of novel nanocomposites for enhanced anticancer activity of XLAsp-P2 peptide. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Peixoto D, Pereira I, Pereira-Silva M, Veiga F, Hamblin MR, Lvov Y, Liu M, Paiva-Santos AC. Emerging role of nanoclays in cancer research, diagnosis, and therapy. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213956] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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6
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Pereira I, Saleh M, Nunes C, Reis S, Veiga F, Paiva-Santos AC. Preclinical developments of natural-occurring halloysite clay nanotubes in cancer therapeutics. Adv Colloid Interface Sci 2021; 291:102406. [PMID: 33819725 DOI: 10.1016/j.cis.2021.102406] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/24/2021] [Accepted: 03/25/2021] [Indexed: 02/06/2023]
Abstract
The natural world holds useful resources that can be exploited to design effective therapeutic approaches. Ready-to-use tubular nanoclays, such as halloysite clay nanotubes (HNTs), are widely available, cost-effective, and sustainable submicron crystalline materials that have been showing great potential towards chronic multifactorial and malignant diseases, standing out as a promising anticancer nanotherapeutic strategy. Currently, several preclinical studies have reported the application of HNTs in cancer research, diagnosis, monitoring, and therapeutics. This groundbreaking review highlights the preclinical knowledge hitherto collected concerning the application of HNTs towards cancer therapy. Despite their reproducibility issues, HNTs were used as nanoarchitectonic platforms for the delivery of conventional chemotherapeutic, natural-occurring, biopharmaceutical, and phototherapeutic anticancer agents in a wide range of in vitro and in vivo solid cancer models. Overall, in different types of cancer mice models, the intratumoral and intravenous administration of HNTs-based nanoplatforms induced tumor growth inhibition without causing significant toxic effects. Such evidence raises a relevant question: does the therapeutic benefit of the parenteral administration of HNTs in cancer outweigh their potential toxicological risk? To answer this question further long-term absorption-distribution-metabolism-excretion studies in healthy and cancer animal models need to be performed. In cancer therapeutics, HNTs are envisaged as promising platforms for cancer multi-agent therapy, enabling the combination of different therapeutic modalities. Furthermore, HNTs might constitute suitable nanotheranostic platforms. Nevertheless, to confirm the potential and safety of the application of HNTs as nanodelivery systems for cancer therapy, it is necessary to perform in-depth in vivo pharmacokinetics and pharmacodynamic studies to further the translation to clinical trials.
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Rivero-Barbarroja G, Benito JM, Ortiz Mellet C, García Fernández JM. Cyclodextrin-Based Functional Glyconanomaterials. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2517. [PMID: 33333914 PMCID: PMC7765426 DOI: 10.3390/nano10122517] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/11/2020] [Accepted: 12/12/2020] [Indexed: 12/29/2022]
Abstract
Cyclodextrins (CDs) have long occupied a prominent position in most pharmaceutical laboratories as "off-the-shelve" tools to manipulate the pharmacokinetics of a broad range of active principles, due to their unique combination of biocompatibility and inclusion abilities. The development of precision chemical methods for their selective functionalization, in combination with "click" multiconjugation procedures, have further leveraged the nanoscaffold nature of these oligosaccharides, creating a direct link between the glyco and the nano worlds. CDs have greatly contributed to understand and exploit the interactions between multivalent glycodisplays and carbohydrate-binding proteins (lectins) and to improve the drug-loading and functional properties of nanomaterials through host-guest strategies. The whole range of capabilities can be enabled through self-assembly, template-assisted assembly or covalent connection of CD/glycan building blocks. This review discusses the advancements made in this field during the last decade and the amazing variety of functional glyconanomaterials empowered by the versatility of the CD component.
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Affiliation(s)
- Gonzalo Rivero-Barbarroja
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, 41012 Seville, Spain; (G.R.-B.); (C.O.M.)
| | - Juan Manuel Benito
- Instituto de Investigaciones Químicas (IIQ), CSIC, Universidad de Sevilla, 41092 Sevilla, Spain;
| | - Carmen Ortiz Mellet
- Department of Organic Chemistry, Faculty of Chemistry, University of Seville, 41012 Seville, Spain; (G.R.-B.); (C.O.M.)
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8
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Sarkar B, Jayaraman N. Glycoconjugations of Biomolecules by Chemical Methods. Front Chem 2020; 8:570185. [PMID: 33330359 PMCID: PMC7672192 DOI: 10.3389/fchem.2020.570185] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 08/27/2020] [Indexed: 12/19/2022] Open
Abstract
Bioconjugations under benign aqueous conditions have the most promise to covalently link carbohydrates onto chosen molecular and macromolecular scaffolds. Chemical methodologies relying on C-C and C-heteroatom bond formations are the methods of choice, coupled with the reaction conditions being under aqueous milieu. A number of methods, including metal-mediated, as well as metal-free azide-alkyne cyclo-addition, photocatalyzed thiol-ene reaction, amidation, reductive amination, disulfide bond formation, conjugate addition, nucleophilic addition to vinyl sulfones and vinyl sulfoxides, native chemical ligation, Staudinger ligation, olefin metathesis, and Suzuki-Miyaura cross coupling reactions have been developed, in efforts to conduct glycoconjugation of chosen molecular and biomolecular structures. Within these, many methods require pre-functionalization of the scaffolds, whereas methods that do not require such pre-functionalization continue to be few and far between. The compilation covers synthetic methodology development for carbohydrate conjugation onto biomolecular and biomacromolecular scaffolds. The importance of such glycoconjugations on the functional properties is also covered.
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Affiliation(s)
- Biswajit Sarkar
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, India
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9
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Massaro M, Noto R, Riela S. Past, Present and Future Perspectives on Halloysite Clay Minerals. Molecules 2020; 25:E4863. [PMID: 33096852 PMCID: PMC7587942 DOI: 10.3390/molecules25204863] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/16/2020] [Accepted: 10/17/2020] [Indexed: 02/07/2023] Open
Abstract
Halloysite nanotubes (HNTs), clay minerals belonging to the kaolin groups, are emerging nanomaterials which have attracted the attention of the scientific community due to their interesting features, such as low-cost, availability and biocompatibility. In addition, their large surface area and tubular structure have led to HNTs' application in different industrial purposes. This review reports a comprehensive overview of the historical background of HNT utilization in the last 20 years. In particular it will focus on the functionalization of the surfaces, both supramolecular and covalent, following applications in several fields, including biomedicine, environmental science and catalysis.
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Affiliation(s)
- Marina Massaro
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo Viale delle Scienze, Ed. 17, 90128 Palermo, Italy;
| | | | - Serena Riela
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo Viale delle Scienze, Ed. 17, 90128 Palermo, Italy;
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Gianni E, Avgoustakis K, Papoulis D. Kaolinite group minerals: Applications in cancer diagnosis and treatment. Eur J Pharm Biopharm 2020; 154:359-376. [PMID: 32745710 DOI: 10.1016/j.ejpb.2020.07.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 07/23/2020] [Accepted: 07/27/2020] [Indexed: 12/26/2022]
Abstract
The clay minerals are characterized as important minerals due to their specific properties. One of the most important groups of the clay minerals is the kaolinite's group minerals due to their morphology, availability and range of potential applications. Halloysite and kaolinite are investigated here for their pharmaceutical applications and especially for their potential in cancer treatment. This review study is focusing on the potential applications of the kaolinite's group minerals in cancer diagnosis and monitoring, cancer treatment, the avoidance of metastasis, and the relief of cancer pains. Anticancer drug-loaded formulations based on these minerals show high potential for the treatment of various types of cancer as they have been shown to exhibit high anticancer activity in cancer cell lines and cancer animal models, high biocompatibility, low side effects, and high drug bioavailability.
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Affiliation(s)
- Eleni Gianni
- Department of Geology, University of Patras, Rio 26504, Patras, Greece.
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11
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Halloysite nanotubes: a green resource for materials and life sciences. RENDICONTI LINCEI-SCIENZE FISICHE E NATURALI 2020. [DOI: 10.1007/s12210-020-00886-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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12
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Fontana RM, Milano N, Barbara L, Di Vincenzo A, Gallo G, Meo PL. Cyclodextrin‐Calixarene Nanosponges as Potential Platforms for pH‐Dependent Delivery of Tetracycline. ChemistrySelect 2019. [DOI: 10.1002/slct.201902373] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Rosa Maria Fontana
- Department of BiologicalChemical and Pharmaceutical Sciences and Technologies (STEBICEF)University of Palermo, V.le delle Scienze pad. 17–90128 Palermo Italy
| | - Nicola Milano
- Department of BiologicalChemical and Pharmaceutical Sciences and Technologies (STEBICEF)University of Palermo, V.le delle Scienze pad. 17–90128 Palermo Italy
| | - Lorenzo Barbara
- Department of BiologicalChemical and Pharmaceutical Sciences and Technologies (STEBICEF)University of Palermo, V.le delle Scienze pad. 17–90128 Palermo Italy
| | - Antonella Di Vincenzo
- Department of BiologicalChemical and Pharmaceutical Sciences and Technologies (STEBICEF)University of Palermo, V.le delle Scienze pad. 17–90128 Palermo Italy
| | - Giuseppe Gallo
- Department of BiologicalChemical and Pharmaceutical Sciences and Technologies (STEBICEF)University of Palermo, V.le delle Scienze pad. 17–90128 Palermo Italy
| | - Paolo Lo Meo
- Department of BiologicalChemical and Pharmaceutical Sciences and Technologies (STEBICEF)University of Palermo, V.le delle Scienze pad. 17–90128 Palermo Italy
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13
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Goda ES, Gab-Allah M, Singu BS, Yoon KR. Halloysite nanotubes based electrochemical sensors: A review. Microchem J 2019. [DOI: 10.1016/j.microc.2019.04.011] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Massaro M, Buscemi G, Arista L, Biddeci G, Cavallaro G, D’Anna F, Di Blasi F, Ferrante A, Lazzara G, Rizzo C, Spinelli G, Ullrich T, Riela S. Multifunctional Carrier Based on Halloysite/Laponite Hybrid Hydrogel for Kartogenin Delivery. ACS Med Chem Lett 2019; 10:419-424. [PMID: 30996773 PMCID: PMC6466553 DOI: 10.1021/acsmedchemlett.8b00465] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 10/22/2018] [Indexed: 12/14/2022] Open
Abstract
A novel carrier system based on halloysite nanotubes (HNT), for the potential intraarticular delivery of kartogenin (KGN) by means laponite (Lap) hydrogel (HNT/KGN/Lap), is developed. The drug was first loaded into HNT, and the hybrid composite obtained was used as filler for laponite hydrogel. Both the filler and the hydrogel were thoroughly investigated by several techniques and the hydrogel morphology was imaged by transmission electron microscopy. Furthermore, the gelating ability of laponite in the presence of the filler and the rheological properties of the hybrid hydrogel were also investigated. The kinetic release of kartogenin from HNT and HNT/Lap hybrid hydrogel was studied both in physiological conditions and in ex vivo synovial fluid. In the last case, the kinetic results highlighted that HNT carrier can effectively release KGN in a sustained manner for at least 38 days. Finally, a preliminary biological assays showed that the HNT/KGN/Lap hybrid hydrogel did not exhibit any cytotoxic effect.
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Affiliation(s)
- Marina Massaro
- Dipartimento
STEBICEF, Sez. Chimica, Università
degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Gabriella Buscemi
- Dipartimento
STEBICEF, Sez. Chimica, Università
degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Luca Arista
- Global
Discovery Chemistry, Novartis Institutes
for BioMedical Research, CH-4002 Basel, Switzerland
| | - Giuseppa Biddeci
- Dipartimento
STEBICEF, Sez. Chimica, Università
degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
- Istituto
di Biomedicina ed Immunologia Molecolare - Consiglio Nazionale delle
Ricerche, Via Ugo La
Malfa 153, 90146 Palermo, Italy
| | - Giuseppe Cavallaro
- Dipartimento
di Fisica e Chimica, Università degli
Studi di Palermo, Viale
delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Francesca D’Anna
- Dipartimento
STEBICEF, Sez. Chimica, Università
degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Francesco Di Blasi
- Istituto
di Biomedicina ed Immunologia Molecolare - Consiglio Nazionale delle
Ricerche, Via Ugo La
Malfa 153, 90146 Palermo, Italy
| | - Angelo Ferrante
- Dipartimento
Biomedico di Medicina Interna e Specialistica, Sezione di Reumatologia, Università degli Studi di Palermo, 90128 Palermo, Italy
| | - Giuseppe Lazzara
- Dipartimento
di Fisica e Chimica, Università degli
Studi di Palermo, Viale
delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Carla Rizzo
- Dipartimento
STEBICEF, Sez. Chimica, Università
degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Gaetano Spinelli
- Istituto
di Biomedicina ed Immunologia Molecolare - Consiglio Nazionale delle
Ricerche, Via Ugo La
Malfa 153, 90146 Palermo, Italy
| | - Thomas Ullrich
- Global
Discovery Chemistry, Novartis Institutes
for BioMedical Research, CH-4002 Basel, Switzerland
| | - Serena Riela
- Dipartimento
STEBICEF, Sez. Chimica, Università
degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
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Massaro M, Colletti CG, Fiore B, La Parola V, Lazzara G, Guernelli S, Zaccheroni N, Riela S. Gold nanoparticles stabilized by modified halloysite nanotubes for catalytic applications. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4665] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Marina Massaro
- Dipartimento STEBICEF, Sez. Chimica; Università degli Studi di Palermo, Viale delle Scienze; Ed. 17, 90128 Palermo Italy
| | - Carmelo G. Colletti
- Dipartimento STEBICEF, Sez. Chimica; Università degli Studi di Palermo, Viale delle Scienze; Ed. 17, 90128 Palermo Italy
| | - Bruno Fiore
- Dipartimento STEBICEF, Sez. Chimica; Università degli Studi di Palermo, Viale delle Scienze; Ed. 17, 90128 Palermo Italy
| | - Valeria La Parola
- Istituto per lo Studio dei Materiali Nanostrutturati ISMN-CNR; Via Ugo La Malfa 153, 90146 Palermo Italy
| | - Giuseppe Lazzara
- Dipartimento di Fisica e Chimica; Università degli Studi di Palermo, Viale delle Scienze; Ed. 17, 90128 Palermo Italy
| | - Susanna Guernelli
- Dipartimento di Chimica ‘G. Ciamician’; Università degli Studi di Bologna; Via S. Giacomo 11, 40126 Bologna Italy
| | - Nelsi Zaccheroni
- Dipartimento di Chimica ‘G. Ciamician’; Università degli Studi di Bologna; Via S. Giacomo 11, 40126 Bologna Italy
| | - Serena Riela
- Dipartimento STEBICEF, Sez. Chimica; Università degli Studi di Palermo, Viale delle Scienze; Ed. 17, 90128 Palermo Italy
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Massaro M, Riela S. Organo-Clay Nanomaterials Based on Halloysite and Cyclodextrin as Carriers for Polyphenolic Compounds. J Funct Biomater 2018; 9:E61. [PMID: 30400319 PMCID: PMC6306943 DOI: 10.3390/jfb9040061] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 10/31/2018] [Accepted: 11/01/2018] [Indexed: 11/17/2022] Open
Abstract
Hybrid material based on halloysite covalently linked to a hyper-reticulated cyclodextrin network was investigated as a potential carrier for polyphenolic compounds. The absorption ability of the hybrid system was studied in different pH conditions as well as the kinetic release of curcumin, chosen as a drug model. A preliminary study was performed to assess the antioxidant capacity of the obtained carrier. The obtained results highlighted that the curcumin molecule can have sustained release from the carrier over the time, retaining its antioxidant properties due to the combination of two different host systems that give rise to an hyper-reticulated structure, allowing an increase in the drug loading and stabilization. Therefore, this work puts forward an efficient strategy to prepare organic-inorganic hybrids with three different cavities that could encapsulate two or more drug molecules with different physico-chemical properties.
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Affiliation(s)
- Marina Massaro
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University o Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
| | - Serena Riela
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University o Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
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Massaro M, Colletti CG, Lazzara G, Riela S. The Use of Some Clay Minerals as Natural Resources for Drug Carrier Applications. J Funct Biomater 2018; 9:E58. [PMID: 30347697 PMCID: PMC6306778 DOI: 10.3390/jfb9040058] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 10/16/2018] [Accepted: 10/17/2018] [Indexed: 02/02/2023] Open
Abstract
The goal of modern research is to use environmentally preferable materials. In this context, clay minerals are emerging candidates for their bio- and ecocompatibility, low cost and natural availability. Clay minerals present different morphologies according to their layer arrangements. The use of clay minerals, especially in biomedical applications is known from ancient times and they are regaining attention in recent years. The most representative clay minerals are kaolinit, montmorillonite, sepiolites and halloysite. This review summarizes some clay minerals and their derivatives for application as nanocontainer for biologically active species.
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Affiliation(s)
- Marina Massaro
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
| | - Carmelo Giuseppe Colletti
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
| | - Giuseppe Lazzara
- Dipartimento di Fisica e Chimica (DiFC), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
| | - Serena Riela
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
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Fizir M, Dramou P, Dahiru NS, Ruya W, Huang T, He H. Halloysite nanotubes in analytical sciences and in drug delivery: A review. Mikrochim Acta 2018; 185:389. [PMID: 30046919 DOI: 10.1007/s00604-018-2908-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 06/29/2018] [Indexed: 01/17/2023]
Abstract
Halloysite (HNT) is a natural inorganic mineral that has many applications in manufacturing. This review (with 192 references) covers (a) the chemical properties of halloysites, (b) the effects of alkali and acid etching on the loading capacity and the release behavior of halloysites, (c) the use of halloysite nanotubes in analytical sciences and drug delivery, and (d) recent trends in the preparation of magnetic HNTs. Synthetic methods such as co-precipitation, thermal decomposition, and solvothermal method are discussed, with emphasis on optimal magnetization. In the analytical field, recent advancements are summarized in terms of applications of HNT-nanocomposites for extraction and detection of heavy metal ions, dyes, organic pollutants, and biomolecules. The review also covers methods for synthesizing molecularly imprinted polymer-modified HNTs and magnetic HNTs. With respect to drug delivery, the toxicity, techniques for drug loading and the various classes of drug-halloysite nanocomposites are discussed. This review gives a general insight on the utilization of HNT in analytical determination and drug delivery systems which may be useful for researchers to generate new ideas. Graphical abstract Schematic presentation of the structure of halloysite nanotubes, selected examples of modifications and functionalization, and represetative field of applications.
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Affiliation(s)
- Meriem Fizir
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China.
| | - Pierre Dramou
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Nasiru Sintali Dahiru
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Wang Ruya
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Tao Huang
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China
| | - Hua He
- Department of Analytical Chemistry, School of Sciences, China Pharmaceutical University, Nanjing, 210009, Jiangsu, China.
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 211198, China.
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu Province, 211198, China.
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Kamalieva R, Ishmukhametov I, Batasheva S, Rozhina E, Fakhrullin R. Uptake of halloysite clay nanotubes by human cells: Colourimetric viability tests and microscopy study. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.nanoso.2018.03.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Rao KM, Kumar A, Suneetha M, Han SS. pH and near-infrared active; chitosan-coated halloysite nanotubes loaded with curcumin-Au hybrid nanoparticles for cancer drug delivery. Int J Biol Macromol 2018; 112:119-125. [DOI: 10.1016/j.ijbiomac.2018.01.163] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 01/17/2018] [Accepted: 01/24/2018] [Indexed: 01/12/2023]
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Massaro M, Cavallaro G, Colletti CG, Lazzara G, Milioto S, Noto R, Riela S. Chemical modification of halloysite nanotubes for controlled loading and release. J Mater Chem B 2018; 6:3415-3433. [PMID: 32254440 DOI: 10.1039/c8tb00543e] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Clay minerals have been used for medical purposes from ancient times. Among them, the halloysite nanotube, an aluminosilicate of the kaolin group, is an emerging nanomaterial which possesses peculiar chemical characteristics. By means of suitable modifications, such as supramolecular functionalization or covalent modifications, it is possible to obtain novel nanomaterials with tunable properties for several applications. In this context the covalent grafting of suitable organic moieties on the external surface or in the halloysite lumen has been exploited to improve the loading and release of several biologically active molecules. The resulting hybrid nanomaterials have been applied as drug carrier and delivery systems, as fillers for hydrogels, in tissue regeneration and in the gene delivery field. Furthermore the loading and release of specific molecules have been also investigated for environmental purposes. This review summarizes the main developments in the halloysite modifications in the last 20 years with a particular attention to the development in the past two years.
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Affiliation(s)
- Marina Massaro
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
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Massaro M, Cavallaro G, Colletti CG, D'Azzo G, Guernelli S, Lazzara G, Pieraccini S, Riela S. Halloysite nanotubes for efficient loading, stabilization and controlled release of insulin. J Colloid Interface Sci 2018; 524:156-164. [PMID: 29649624 DOI: 10.1016/j.jcis.2018.04.025] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 03/29/2018] [Accepted: 04/05/2018] [Indexed: 12/11/2022]
Abstract
HYPOTHESIS Oral insulin administration is not actually effective due to insulin rapid degradation, inactivation and digestion by proteolytic enzymes which results in low bioavailability. Moreover insulin is poorly permeable and lack of lipophilicity. These limits can be overcome by the loading of protein in some nanostructured carrier such as halloysite nanotubes (HNTs). EXPERIMENTS Herein we propose an easy strategy to obtain HNT hybrid materials for the delivery of insulin. We report a detailed description on the thermal behavior and stability of insulin loaded and released from the HNTs hybrid by the combination of several techniques. FINDINGS Release experiments of insulin from the HNTs revealed the efficacy of the nanocarrier. Circular Dichroism data evidenced that the released insulin exhibits its native-like secondary structure confirming the suitability of HNT/insulin as delivery system for at least three months. The loaded nanotubes were filled into chitosan matrix with the aim to prepare bionanocomposite films that can be used for transdermal delivery. This work puts forward an efficient strategy to prepare halloysite based nanocarriers containing insulin that could be employed in several biomedical applications. The detailed description of the prepared HNT/insulin hybrid represents a fundamental point for designing advanced delivery systems.
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Affiliation(s)
- Marina Massaro
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Giuseppe Cavallaro
- Dipartimento di Fisica e Chimica (DiFC), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Carmelo G Colletti
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Giuseppe D'Azzo
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Susanna Guernelli
- Dipartimento di Chimica "Giacomo Ciamician", University of Bologna, Via S. Giacomo 11, 40126 Bologna, Italy
| | - Giuseppe Lazzara
- Dipartimento di Fisica e Chimica (DiFC), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy
| | - Silvia Pieraccini
- Dipartimento di Chimica "Giacomo Ciamician", University of Bologna, Via S. Giacomo 11, 40126 Bologna, Italy
| | - Serena Riela
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
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Wang X, Gong J, Rong R, Gui Z, Hu T, Xu X. Halloysite Nanotubes-Induced Al Accumulation and Fibrotic Response in Lung of Mice after 30-Day Repeated Oral Administration. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:2925-2933. [PMID: 29470912 DOI: 10.1021/acs.jafc.7b04615] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Natural halloysite (Al2Si2O5(OH)4· nH2O) nanotubes (HNT) are clay materials with hollow tubular structure and are widely applied in many fields. Many in vitro studies indicate that HNTs exhibit a high level of biocompatibility; however, the in vivo toxicity of HNTs remains unclear. In this study, the biodistribution and pulmonary toxicity of the purified HNTs in mice were investigated after intragastric administration for 30 days. HNTs have high stability in biological conditions. Oral administration of HNTs caused significant Al accumulation predominantly in the lung with relative slight effects on Si biodistribution. Oral administration of HNTs stimulated the growth of the mice at low dose (5 mg/kg BW) with no pulmonary toxicity but inhibited the mouse growth and resulted in oxidative stress and inflammation in lung at high dose (50 mg/kg BW). In addition, oral HNTs at high dose could be absorbed from the gastrointestinal tract and deposited in lung and could also induce pulmonary fibrosis.
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Affiliation(s)
- Xue Wang
- Department of Chemistry , University of Science and Technology of China , Hefei , 230026 , P. R. China
| | - Jiachun Gong
- Department of Chemistry , University of Science and Technology of China , Hefei , 230026 , P. R. China
| | - Rui Rong
- Department of Chemistry , University of Science and Technology of China , Hefei , 230026 , P. R. China
| | - Zongxiang Gui
- Department of Chemistry , University of Science and Technology of China , Hefei , 230026 , P. R. China
| | - Tingting Hu
- Department of Chemistry , University of Science and Technology of China , Hefei , 230026 , P. R. China
| | - Xiaolong Xu
- Department of Chemistry , University of Science and Technology of China , Hefei , 230026 , P. R. China
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Abstract
The review provides an overview of the mesoporous inorganic particles employed as drug delivery systems for controlled and sustained release of drugs. We have classified promising nanomaterials for drug delivery on the basis of their natural or synthetic origin. Nanoclays are available in different morphologies (nanotubes, nanoplates and nanofibers) and they are typically available at low cost from natural resources. The surface chemistry of nanoclays is versatile for targeted modifications to control loading and release properties. Synthetic nanomaterials (imogolite, laponite and mesoporous silica) present the advantages of well-established purity and availability with size features that are finely controlled. Both nanoclays and inorganic synthetic nanoparticles can be functionalized forming organic/inorganic architectures with stimuli-responsive features.
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Molecular Modeling of Adsorption of 5-Aminosalicylic Acid in the Halloysite Nanotube. MINERALS 2018. [DOI: 10.3390/min8020061] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Halloysite nanotubes are becoming interesting materials for drug delivery. The knowledge of surface interactions is important for optimizing this application. The aim of this work is to perform a computational study of the interaction between 5-aminosalicylic acid (5-ASA) drug and halloysite nanotubes for the development of modified drug delivery systems. The optimization of this nanotube and the adsorption of different conformers of the 5-ASA drug on the internal surface of halloysite in the presence and absence of water were performed using quantum mechanical calculations by using Density Functional Theory (DFT) and methods based on atomistic force fields for molecular modeling, respectively.
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Hossieni-Aghdam SJ, Foroughi-Nia B, Zare-Akbari Z, Mojarad-Jabali S, motasadizadeh H, Farhadnejad H. Facile fabrication and characterization of a novel oral pH-sensitive drug delivery system based on CMC hydrogel and HNT-AT nanohybrid. Int J Biol Macromol 2018; 107:2436-2449. [DOI: 10.1016/j.ijbiomac.2017.10.128] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 10/10/2017] [Accepted: 10/19/2017] [Indexed: 11/29/2022]
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Sabahi H, Khorami M, Rezayan AH, Jafari Y, Karami MH. Surface functionalization of halloysite nanotubes via curcumin inclusion. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2017.11.038] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Sadjadi S. Palladium nanoparticles immobilized on cyclodextrin‐decorated halloysite nanotubes: Efficient heterogeneous catalyst for promoting copper‐ and ligand‐free Sonogashira reaction in water–ethanol mixture. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4211] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Samahe Sadjadi
- Gas Conversion Department, Faculty of PetrochemicalsIran Polymer and Petrochemicals Institute PO Box 14975‐112 Tehran Iran
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Kurczewska J, Pecyna P, Ratajczak M, Gajęcka M, Schroeder G. Halloysite nanotubes as carriers of vancomycin in alginate-based wound dressing. Saudi Pharm J 2017; 25:911-920. [PMID: 28951678 PMCID: PMC5605850 DOI: 10.1016/j.jsps.2017.02.007] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 02/11/2017] [Indexed: 11/16/2022] Open
Abstract
The influence of an inorganic support - halloysite nanotubes - on the release rate and biological activity of the antibiotic encapsulated in alginate-based dressings was studied. The halloysite samples were loaded with approx. 10 wt.% of the antibiotic and then encapsulated in Alginate and Gelatin/Alginate gels. The material functionalized with aliphatic amine significantly extended the release of vancomycin from alginate-based gels as compared to that achieved when silica was used. After 24 h, the released amounts of the antibiotic immobilized at silica reached 70%, while for the drug immobilized at halloysite the released amount of vancomycin reached 44% for Alginate discs. The addition of gelatin resulted in even more prolonged sustained release of the drug. The antibiotic was released from the system with a double barrier with Higuchi kinetic model and Fickian diffusion mechanism. Only the immobilized drug encapsulated in Alginate gel demonstrated very good antimicrobial activity against various bacteria. The inhibition zones were greater than those of the standard discs for the staphylococci and enterococci bacteria tested. The addition of gelatin adversely affected the biological activity of the system. The inhibition zones were smaller than those of the reference samples. A reduction in the drug dose by half had no significant effect on changing the release rate and microbiological activity. The in vivo toxicity studies of the material with immobilized drug were carried out with Acutodesmus acuminatus and Daphnia magna. The material studied had no effect on the living organisms used in the bioassays. The proposed system with a double barrier demonstrated high storage stability.
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Affiliation(s)
- Joanna Kurczewska
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Umultowska 89b, 61-614 Poznań, Poland
| | - Paulina Pecyna
- Department of Genetics and Pharmaceutical Microbiology, Poznan University of Medical Sciences, Święcickiego 4, 60-781 Poznań, Poland
| | - Magdalena Ratajczak
- Department of Genetics and Pharmaceutical Microbiology, Poznan University of Medical Sciences, Święcickiego 4, 60-781 Poznań, Poland
| | - Marzena Gajęcka
- Department of Genetics and Pharmaceutical Microbiology, Poznan University of Medical Sciences, Święcickiego 4, 60-781 Poznań, Poland
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszyńska 32, 60-479 Poznań, Poland
| | - Grzegorz Schroeder
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Umultowska 89b, 61-614 Poznań, Poland
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Abstract
Clays for drug delivery have been used from ancient time due to the large availability of clay minerals and their unprecedented properties. The empirical use of nanoclays from the past is converted in a stimulating scientific task aimed at building up nanoarchitectonic vehicles for drug delivery in a targeted and stimuli-responsive fashion. Here the historical aspects are discussed; next the modern examples of applications of different clay-based materials are discussed. A special focus is given to halloysite clay nanotubes, which are an emerging and very promising nanomaterial for drug-delivery purposes due to its special morphology and unique chemical properties. Advantages and limitations of these natural nanomaterials are critically discussed pointing out the future perspectives and directions for further research.
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Gaaz TS, Sulong AB, Kadhum AAH, Al-Amiery AA, Nassir MH, Jaaz AH. The Impact of Halloysite on the Thermo-Mechanical Properties of Polymer Composites. Molecules 2017; 22:E838. [PMID: 28531126 PMCID: PMC6154593 DOI: 10.3390/molecules22050838] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 05/10/2017] [Accepted: 05/15/2017] [Indexed: 12/02/2022] Open
Abstract
Nanotubular clay minerals, composed of aluminosilicate naturally structured in layers known as halloysite nanotubes (HNTs), have a significant reinforcing impact on polymer matrixes. HNTs have broad applications in biomedical applications, the medicine sector, implant alloys with corrosion protection and manipulated transportation of medicines. In polymer engineering, different research studies utilize HNTs that exhibit a beneficial enhancement in the properties of polymer-based nanocomposites. The dispersion of HNTs is improved as a result of pre-treating HNTs with acids. The HNTs' percentage additive up to 7% shows the highest improvement of tensile strength. The degradation of the polymer can be also significantly improved by doping a low percentage of HNTs. Both the mechanical and thermal properties of polymers were remarkably improved when mixed with HNTs. The effects of HNTs on the mechanical and thermal properties of polymers, such as ultimate strength, elastic modulus, impact strength and thermal stability, are emphasized in this study.
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Affiliation(s)
- Tayser Sumer Gaaz
- Department of Mechanical & Materials Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia.
- Department of Machinery Equipment Engineering Techniques, Technical College Al-Musaib, Al-Furat Al-Awsat Technical University, Al-Musaib, Babil 51009, Iraq.
| | - Abu Bakar Sulong
- Department of Mechanical & Materials Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia.
| | - Abdul Amir H Kadhum
- Department of Chemical & Process Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia.
| | - Ahmed A Al-Amiery
- Department of Chemical & Process Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia.
| | - Mohamed H Nassir
- Program of Chemical Engineering, Taylor's University-Lakeside Campus, Subang Jaya, Selangor 47500, Malaysia.
| | - Ahed Hameed Jaaz
- Solar Energy Research Institute (SERI), Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia.
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Li W, Liu D, Zhang H, Correia A, Mäkilä E, Salonen J, Hirvonen J, Santos HA. Microfluidic assembly of a nano-in-micro dual drug delivery platform composed of halloysite nanotubes and a pH-responsive polymer for colon cancer therapy. Acta Biomater 2017; 48:238-246. [PMID: 27815166 DOI: 10.1016/j.actbio.2016.10.042] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 10/25/2016] [Accepted: 10/30/2016] [Indexed: 02/07/2023]
Abstract
Harsh conditions of the gastrointestinal tract hinder the oral delivery of many drugs. Developing oral drug delivery systems based on commercially available materials is becoming more challenging due to the demand for simultaneously delivering physicochemically different drugs for treating complex diseases. A novel architecture, namely nanotube-in-microsphere, was developed as a drug delivery platform by encapsulating halloysite nanotubes (HNTs) in a pH-responsive hydroxypropyl methylcellulose acetate succinate polymer using microfluidics. HNTs were selected as orally acceptable clay mineral and their lumen was enlarged by selective acid etching. Model drugs (atorvastatin and celecoxib) with different physicochemical properties and synergistic effect on colon cancer prevention and inhibition were simultaneously incorporated into the microspheres at a precise ratio, with atorvastatin and celecoxib being loaded in the HNTs and polymer matrix, respectively. The microspheres showed spherical shape, narrow particle size distribution and pH-responsive dissolution behavior. This nanotube/pH-responsive polymer composite protected the loaded drugs from premature release at pH⩽6.5, but allowed their fast release and enhanced the drug permeability, and the inhibition of colon cancer cell proliferation at pH 7.4. Overall, the nano-in-micro drug delivery composite fabricated by microfluidics is a promising and flexible platform for the delivery of multiple drugs for combination therapy. STATEMENT OF SIGNIFICANCE Halloysite nanotubes (HNTs) are attracting increasing attention for drug delivery applications. However, conventional HNTs-based oral drug delivery systems are lack of the capability to precisely control the drug release at a desired site in the gastrointestinal tract. In this study, a nanotube-in-microsphere drug delivery platform is developed by encapsulating HNTs in a pH-responsive polymer using microfluidics. Drugs with different physicochemical properties and synergistic effect on colon cancer therapy were simultaneously incorporated in the microspheres. The prepared microspheres prevented the premature release of the loaded drugs after exposure to the harsh conditions of the gastrointestinal tract, but allowed their simultaneously fast release, and enhanced the drug permeability and the inhibition of colon cancer cell proliferation in response to the colon pH.
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Massaro M, Lazzara G, Milioto S, Noto R, Riela S. Covalently modified halloysite clay nanotubes: synthesis, properties, biological and medical applications. J Mater Chem B 2017; 5:2867-2882. [DOI: 10.1039/c7tb00316a] [Citation(s) in RCA: 141] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Halloysite (HNT) is a promising natural nanosized tubular clay mineral that has many important uses in different industrial fields.
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Affiliation(s)
- M. Massaro
- Dipartimento STEBICEF
- Sez. Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
| | - G. Lazzara
- Dipartimento di Fisica e Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
- Ed. 17
| | - S. Milioto
- Dipartimento di Fisica e Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
- Ed. 17
| | - R. Noto
- Dipartimento STEBICEF
- Sez. Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
| | - S. Riela
- Dipartimento STEBICEF
- Sez. Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
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Rizzo C, Arrigo R, D'Anna F, Di Blasi F, Dintcheva NT, Lazzara G, Parisi F, Riela S, Spinelli G, Massaro M. Hybrid supramolecular gels of Fmoc-F/halloysite nanotubes: systems for sustained release of camptothecin. J Mater Chem B 2017; 5:3217-3229. [DOI: 10.1039/c7tb00297a] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Novel supramolecular gel hybrids were prepared by self-assembly of Fmoc-l-phenylalanine in the presence of functionalized halloysite nanotubes and employed as carriers for the delivery of camptothecin molecules.
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