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Saadh MJ, Abdulsahib WK, Mustafa AN, Zabibah RS, Adhab ZH, Rakhimov N, Alsaikhan F. Recent advances in natural nanoclay for diagnosis and therapy of cancer: A review. Colloids Surf B Biointerfaces 2024; 235:113768. [PMID: 38325142 DOI: 10.1016/j.colsurfb.2024.113768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/04/2024] [Accepted: 01/23/2024] [Indexed: 02/09/2024]
Abstract
Cancer is still one of the deadliest diseases, and diagnosing and treating it effectively remains difficult. As a result, advancements in earlier detection and better therapies are urgently needed. Conventional chemotherapy induces chemoresistance, has non-specific toxicity, and has a meager efficacy. Natural materials like nanosized clay mineral formations of various shapes (platy, tubular, spherical, and fibrous) with tunable physicochemical, morphological, and structural features serve as potential templates for these. As multifunctional biocompatible nanocarriers with numerous applications in cancer research, diagnosis, and therapy, their submicron size, individual morphology, high specific surface area, enhanced adsorption ability, cation exchange capacity, and multilayered organization of 0.7-1 nm thick single sheets have attracted significant interest. Kaolinite, halloysite, montmorillonite, laponite, bentonite, sepiolite, palygorskite, and allophane are the most typical nanoclay minerals explored for cancer. These multilayered minerals can function as nanocarriers to effectively carry a variety of anticancer medications to the tumor site and improve their stability, dispersibility, sustained release, and transport. Proteins and DNA/RNA can be transported using nanoclays with positive and negative surfaces. The platform for phototherapeutic agents can be nanoclays. Clays with bio-functionality have been developed using various surface engineering techniques, which could help treat cancer. The promise of nanoclays as distinctive crystalline materials with applications in cancer research, diagnostics, and therapy are examined in this review.
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Affiliation(s)
- Mohamed J Saadh
- Faculty of Pharmacy, Middle East University, Amman 11831, Jordan
| | - Waleed K Abdulsahib
- Department of Pharmacology and Toxicology, College of Pharmacy, Al Farahidi University, Baghdad, Iraq
| | | | - Rahman S Zabibah
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | | | - Nodir Rakhimov
- Department of Oncology, Samarkand State Medical University, Amir Temur street 18, Samarkand, Uzbekistan
| | - Fahad Alsaikhan
- College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia; School of Pharmacy, Ibn Sina National College for Medical Studies, Jeddah, Saudi Arabia.
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Jiang Z, Sun S, Liu J, Sun X. Recent Advances of Halloysite Nanotubes in Biomedical Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306169. [PMID: 37670217 DOI: 10.1002/smll.202306169] [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: 07/21/2023] [Revised: 08/23/2023] [Indexed: 09/07/2023]
Abstract
Halloysite nanotubes (HNTs) have emerged as a highly regarded choice in biomedical research due to their exceptional attributes, including superior loading capacity, customizable surface characteristics, and excellent biocompatibility. HNTs feature tubular structures comprising alumina and silica layers, endowing them with a large surface area and versatile surface chemistries that facilitate selective modifications. Moreover, their substantial pore volume and wide range of pore sizes enable efficient entrapment of diverse functional molecules. This comprehensive review highlights the broad biomedical application spectrum of HNTs, shedding light on their potential as innovative and effective therapeutic agents across various diseases. It emphasizes the necessity of optimizing drug delivery techniques, developing targeted delivery systems, rigorously evaluating biocompatibility and safety through preclinical and clinical investigations, exploring combination therapies, and advancing scientific understanding. With further advancements, HNTs hold the promise to revolutionize the pharmaceutical industry, opening new avenues for the development of transformative treatments.
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Affiliation(s)
- Zheng Jiang
- Department of Otolaryngology, Head and Neck surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Shengjun Sun
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Jun Liu
- Department of Otolaryngology, Head and Neck surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Xuping Sun
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
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Zhang X, Heidari Majd M. Synthesis of halloysite nanotubes decorated with green silver nanoparticles to investigate cytotoxicity, lipid peroxidation and induction of apoptosis in acute leukemia cells. Sci Rep 2023; 13:17182. [PMID: 37821481 PMCID: PMC10567680 DOI: 10.1038/s41598-023-43978-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 10/01/2023] [Indexed: 10/13/2023] Open
Abstract
Leukemia is the 15th most common cancer in adults and the first most common cancer in children under the age of five, and unfortunately, it accounts for many deaths every year. Since leukemia chemotherapy usually fails due to chemotherapy resistance and disease relapse, many efforts are being made to develop new methods of leukemia treatment. Therefore, for the first time, we decorated halloysite nanotubes (HNTs) with green silver nanoparticles (Ag NPs) with the help of Moringa Peregrina leaves extract to increase the solubility of Ag NPs and to use the protective ability of HNTs against lipid peroxidation in erythrocytes. Cell survival assay by the MTT method showed that HNTs-Ag NPs can decrease the survival of Jurkat T-cells to about 10% compared to the control. The IC50 value was estimated as 0.00177 mg/mL after 96 h of treatment. Investigating the expression of genes involved in apoptosis by Real-time PCR proved that decorated HNTs with Ag NPs can increase the Bak1/Bclx ratio by 17.5 times the control group. Also, the expression of the caspase-3 gene has increased 10 times compared to the control. Finally, the reduction of malondialdehyde production after 24 h proved that the presence of HNTs can have a good protective effect on lipid peroxidation in erythrocytes. Therefore, on the one hand, we can hope for the ability of HNTs-Ag NPs to induce apoptosis in blood cancer cells and on the other hand for its protective effects on normal blood cells.
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Affiliation(s)
- Xuan Zhang
- Hematology Tumor Center, Xi'an People's Hospital (Xi'an Fourth Hospital), Xi'an City, 710000, China
| | - Mostafa Heidari Majd
- Department of Medicinal Chemistry, Faculty of Pharmacy, Zabol University of Medical Sciences, Zabol, Iran.
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Abduljauwad SN, Habib T, Ur-Rehman H. Clay microparticles for the enhancement of bone regeneration: in vitro studies. Histochem Cell Biol 2023:10.1007/s00418-023-02189-2. [PMID: 37029830 PMCID: PMC10082439 DOI: 10.1007/s00418-023-02189-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2023] [Indexed: 04/09/2023]
Abstract
Humans develop osteoporosis as they age, a disease characterized by the slow and consistent reduction in bone mass and the subsequent risk of fractures. Due to aging, the mesenchymal stem cells within the bone marrow niche, show a shift in differentiation from osteogenesis to adipogenesis. The challenge of osteoporosis treatment is being met with advances in nanotechnology and tissue engineering. In this study , we evaluated the potential of palygorskite clay mineral microparticles for the promotion of the osteogenic differentiation in human mesenchymal stem cells (hMSCs) in vitro. Alkaline phosphatase (ALP) activity and Alizarin red staining showed that osteogenic differentiation of hMSCs is enhanced in the presence of palygorskite clay. Although, gene expression analysis did not reveal upregulation of several osteogenic markers in the presence of the clay microparticles, another interaction mechanism resulted in the enhanced osteogenic differentiation of hMSCs. The charged surfaces of the palygorskite clay particles interact with the stem cells using their high adhesion characteristics, leading to complete bridging, adherence, and enveloping of the stem cells' cadherins and integrins with their environment. This restoration of the adhesion among the stem cells and their environment most probably promotes/restores the osteogenic differentiation of hMSCs. Therefore, palygorskite clay microparticles are a promising candidate for further in vivo studies on bone regeneration.
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Affiliation(s)
- Sahel N Abduljauwad
- Civil, Environmental Engineering Department, King Fahd University of Petroleum, Minerals (KFUPM), Dhahran, Saudi Arabia
| | - Taimur Habib
- School of Medicine, Royal College of Surgeons in Ireland (RCSI) Medical University, Busaiteen, Bahrain
| | - Habib Ur-Rehman
- Visiting Faculty, Civil, Environmental Engineering Department, King Fahd University of Petroleum, Minerals (KFUPM), Dhahran, Saudi Arabia.
- National University of Computer and Emerging Sciences (NUCES), Lahore, Pakistan.
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Ghasemizadeh H, Pourmadadi M, Yazdian F, Rashedi H, Navaei-Nigjeh M, Rahdar A, Díez-Pascual AM. Novel carboxymethyl cellulose-halloysite-polyethylene glycol nanocomposite for improved 5-FU delivery. Int J Biol Macromol 2023; 232:123437. [PMID: 36708898 DOI: 10.1016/j.ijbiomac.2023.123437] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/15/2023] [Accepted: 01/22/2023] [Indexed: 01/27/2023]
Abstract
Drug nano-carriers are crucial for achieving targeted treatment against cancer disorders with minimal side effects. In this study, a pH-responsive nanocomposite based on halloysite nanotube (HNT) coated with carboxymethyl cellulose (CMC)/polyethylene glycol (PEG) hydrogel for controlled delivery of 5-Fluorouracil (5-FU), a hydrophobic chemotherapy drug prescribed for different types of cancers was synthesized for the first time using the water-in-oil-in-water (W/O/W) technique. The developed CMC/PEG/HNT/5-FU nanocomposite was characterized by dynamic light scattering (DLS), zeta potential, Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and Field emission scanning electron microscope (FE-SEM) to get information about the particle size, surface charge, interactions between functional groups, crystalline structure and morphology, respectively. High efficiencies in terms of drug entrapment and loading (46 % and 87 %, respectively) were attained. In-vitro drug release results revealed an improved and sustained 5-FU delivery in an acid environment compared to the physiological medium, corroborating the pH-sensitivity of the developed nano-carrier. Flow cytometry and MTT assays demonstrated that the 5-FU loaded nanocomposite had considerable cytotoxicity on MCF-7 breast cancer cells while it is not toxic against L929 fibroblast cells. The nanocomposite synthesized herein could serve as a platform for the pH-sensitive release of anti-cancer drugs.
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Affiliation(s)
- Haniyeh Ghasemizadeh
- Department of Biotechnology, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Mehrab Pourmadadi
- Department of Biotechnology, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Fatemeh Yazdian
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Tehran, Iran.
| | - Hamid Rashedi
- Department of Biotechnology, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran.
| | - Mona Navaei-Nigjeh
- Pharmaceutical Sciences Research Center, the Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran; Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Abbas Rahdar
- Department of Physics, Faculty of Sciences, University of Zabol, Zabol 538-98615, Iran.
| | - Ana M Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain.
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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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Application of Halloysite Nanotubes in Cancer Therapy-A Review. MATERIALS 2021; 14:ma14112943. [PMID: 34072513 PMCID: PMC8198791 DOI: 10.3390/ma14112943] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 12/24/2022]
Abstract
Halloysite, a nanoclay characterized by a unique, tubular structure, with oppositely charged interior and exterior, suitable, nanometric-range size, high biocompatibility, and low cost, is recently gaining more and more interest as an important and versatile component of various biomaterials and delivery systems of biomedical relevance. One of the most recent, significant, and intensely studied fields in which halloysite nanotubes (HNTs) found diverse applications is cancer therapy. Even though this particular direction is mentioned in several more general reviews, it has never so far been discussed in detail. In our review, we offer an extended survey of the literature on that particular aspect of the biomedical application of HNTs. While historical perspective is also given, our paper is focused on the most recent developments in this field, including controlled delivery and release of anticancer agents and nucleic acids by HNT-based systems, targeting cancer cells using HNT as a carrier, and the capture and analysis of circulating tumor cells (CTCs) with nanostructured or magnetic HNT surfaces. The overview of the most up-to-date knowledge on the HNT interactions with cancer cells is also given.
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Nyankson E, Aboagye SO, Efavi JK, Agyei-Tuffour B, Paemka L, Asimeng BO, Balapangu S, Arthur PK, Tiburu EK. Chitosan-Coated Halloysite Nanotubes As Vehicle for Controlled Drug Delivery to MCF-7 Cancer Cells In Vitro. MATERIALS 2021; 14:ma14112837. [PMID: 34073202 PMCID: PMC8198553 DOI: 10.3390/ma14112837] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/22/2021] [Accepted: 04/23/2021] [Indexed: 01/08/2023]
Abstract
The aim of the work is to improve the release properties of curcumin onto human breast cancer cell lines using coated halloysite nanotubes (HNTs) with chitosan as a polycation. A loading efficiency of 70.2% (w/w) was attained for loading 4.9 mg of the drug into 0.204 g bed volume of HNTs using the vacuum suction method. Results acquired from Brunauer-Emmett-Teller (BET), Fourier-transform infrared (FTIR) spectroscopy, transmission electron microscopy (TEM), scanning electron spectroscopy (SEM), zeta potential, and thermogravimetric analysis (TGA) indicated the presence of the drug and the biopolymer in and around the nanotubes. The release properties of drug-loaded HNTs (DLHNTs) and chitosan-coated drug-loaded HNTs (DLHNTs-CH) were evaluated. The release percentages of DLHNTs and DLHNTs-CH after 6 h were 50.7 and 37%, respectively. Based on the correlation coefficients obtained by fitting the release nature of curcumin from the two samples, the Korsmeyer-Peppas model was found to be the best-fitted model. In vitro cell viability studies were carried out on the human breast cancer cell line MCF-7, using the MTT and trypan blue exclusion assays. Prior to the Trypan blue assay, the IC50 of curcumin was determined to be ~30 µM. After 24 h of incubation, the recorded cell viability values were 94, 68, 57, and 51% for HNTs, DLHNTs-CH, DLHNTs, and curcumin, respectively. In comparison to the release studies, it could be deducted that sustained lethal doses of curcumin were released from the DLHNTs-CH within the same time. It is concluded from this work that the "burst release" of naked drugs could be slowly administered using chitosan-coated HNTs as potential drug carriers.
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Affiliation(s)
- Emmanuel Nyankson
- Department of Materials Science and Engineering, University of Ghana, P.O. Box LG77 Legon, Ghana; (E.N.); (S.O.A.); (J.K.E.); (B.A.-T.)
| | - Shadrack O. Aboagye
- Department of Materials Science and Engineering, University of Ghana, P.O. Box LG77 Legon, Ghana; (E.N.); (S.O.A.); (J.K.E.); (B.A.-T.)
| | - Johnson Kwame Efavi
- Department of Materials Science and Engineering, University of Ghana, P.O. Box LG77 Legon, Ghana; (E.N.); (S.O.A.); (J.K.E.); (B.A.-T.)
| | - Benjamin Agyei-Tuffour
- Department of Materials Science and Engineering, University of Ghana, P.O. Box LG77 Legon, Ghana; (E.N.); (S.O.A.); (J.K.E.); (B.A.-T.)
| | - Lily Paemka
- Department Biochemistry, Cell and Molecular Biology, University of Ghana, P.O. Box LG54 Legon, Ghana; (L.P.); (P.K.A.)
- West Africa Center for Cell Biology of Infectious Pathogens, University of Ghana, Legon, Ghana;
| | - Bernard O. Asimeng
- Department of Biomedical Engineering, University of Ghana, P.O. Box LG77 Legon, Ghana;
| | - Srinivasan Balapangu
- West Africa Center for Cell Biology of Infectious Pathogens, University of Ghana, Legon, Ghana;
- Department of Biomedical Engineering, University of Ghana, P.O. Box LG77 Legon, Ghana;
| | - Patrick K. Arthur
- Department Biochemistry, Cell and Molecular Biology, University of Ghana, P.O. Box LG54 Legon, Ghana; (L.P.); (P.K.A.)
- West Africa Center for Cell Biology of Infectious Pathogens, University of Ghana, Legon, Ghana;
| | - Elvis K. Tiburu
- West Africa Center for Cell Biology of Infectious Pathogens, University of Ghana, Legon, Ghana;
- Department of Biomedical Engineering, University of Ghana, P.O. Box LG77 Legon, Ghana;
- Correspondence: ; Tel.: +233-559-585-194
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Khatoon N, Chu MQ, Zhou CH. Nanoclay-based drug delivery systems and their therapeutic potentials. J Mater Chem B 2021; 8:7335-7351. [PMID: 32687134 DOI: 10.1039/d0tb01031f] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Safe, therapeutically effective, and patient-compliant drug delivery systems are needed to design novel tools and strategies to combat the deadliest of diseases such as cancer, SARS, H7N9 avian influenza, and dengue infection. The major challenges in drug delivery are cytotoxicity, poor biodistribution, insufficient functionality, ineffective drug incorporation in delivery devices, and subsequent drug release. Clay minerals are a class of nanolayered silicates that have good biocompatibility, high specific surface area, chemical inertness, colloid, and thixotropy, and are attractive practical and potential nanomaterials in medicine. These properties enable the usage of nanoclays as drug carriers for the delivery of antibiotics, antihypertensive drugs, anti-psychotic, and anticancer drugs. The review examines the latest advances in nanoclay-based drug delivery systems and related applications in gene therapy and tissue engineering. Clay minerals, particularly montmorillonite, kaolinite, and halloysite are used to delay and/or target drug release or even improve drug dissolution due to their surface charge. Chemical modification of clay minerals such as intercalation of ions into the interlayer space of clay minerals or surface modification of clay minerals is a strategy to tune the properties of nanoclays for the loading and release of a drug. The modified nanoclay can take up drugs by encapsulation, immobilization, ion exchange reaction, or electrostatic interactions. Controlled drug release from the drug-clay originates from the incorporation and interactions between the drug and inorganic layers, including electrostatic interactions and hydrogen bonding. Montmorillonite has proven non-toxic through hematological, biochemical, and histopathological analyses in rat. Montmorillonite can also act as a potent detoxifier. Halloysite nanotubes can bind synthetic and biological components such as chitosan, gelatin, and alginate innate nanocarriers for the improved loading and controlled release of drugs, proteins, and DNA. The peculiar properties of clay nanoparticles lead to promising applications in drug delivery, gene delivery, tissue engineering, cancer and stem cell isolation, and bioimaging.
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Affiliation(s)
- Nafeesa Khatoon
- Research Group for Advanced Materials & Sustainable Catalysis (AMSC), State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, China.
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Husain T, Shoaib MH, Ahmed FR, Yousuf RI, Farooqi S, Siddiqui F, Imtiaz MS, Maboos M, Jabeen S. Investigating Halloysite Nanotubes as a Potential Platform for Oral Modified Delivery of Different BCS Class Drugs: Characterization, Optimization, and Evaluation of Drug Release Kinetics. Int J Nanomedicine 2021; 16:1725-1741. [PMID: 33688188 PMCID: PMC7935346 DOI: 10.2147/ijn.s299261] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 02/17/2021] [Indexed: 01/28/2023] Open
Abstract
Purpose This study systematically investigated the potential of four model drugs (verapamil HCl, flurbiprofen, atenolol, and furosemide), each belonging to a different class of Biopharmaceutics Classification Systems (BCS) to be developed into oral modified release dosage forms after loading with halloysite nanotubes (HNTs). Methods The drugs were studied for their loading (mass gain %) by varying solvent system, method, pH, and ratios of loading into the nanotubes using D-optimal split-plot design with the help of Design Expert software. Drug-loaded halloysites were characterized by XRD, DTA, FTIR, SEM, and HPLC-UV-based assay procedures. Dissolution studies were also performed in dissolution media with pH 1.2, 4.5, and 6.8. Moreover, the optimized samples were evaluated under stress stability conditions for determining prospects for the development of oral dosage forms. Results As confirmed with the results of XRD and DTA, the drugs were found to be converted into amorphous form after loading with halloysite (HNTs). The drugs were loaded in the range of ~7–9% for the four drugs, with agitation providing satisfactory and equivalent loading as compared to vacuum plus agitation based reported methods. FTIR results revealed either only weak electrostatic (verapamil HCl and flurbiprofen) or no interaction with the surface structure of the HNTs. The dissolution profiling depicted significantly retarded release of drugs with Fickian diffusion from a polydisperse system as a model that suits well for the development of oral dosage forms. HPLC-UV-based assay indicated that except furosemide (BCS class IV), the other three drugs are quite suitable for development for oral dosage forms. Conclusion The four drugs investigated undergo phase transformation with HNTs. While agitation is an optimum method for loading drugs with various physicochemical attributes into HNTs; solvent system, loading ratios and pH play an important role in the loading efficiency respective to the drug properties. The study supports the capability of developing HNT-based modified release oral dosage forms for drugs with high solubility.
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Affiliation(s)
- Tazeen Husain
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Muhammad Harris Shoaib
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Farrukh Rafiq Ahmed
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Rabia Ismail Yousuf
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Sadaf Farooqi
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Fahad Siddiqui
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Muhammad Suleman Imtiaz
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Madiha Maboos
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Sabahat Jabeen
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, 75270, Pakistan
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Melanoma treatment via non-specific adhesion of cancer cells using charged nano-clays in pre-clinical studies. Sci Rep 2021; 11:2737. [PMID: 33531565 PMCID: PMC7854583 DOI: 10.1038/s41598-021-82441-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 01/14/2021] [Indexed: 12/01/2022] Open
Abstract
The incidence of malignant melanoma has rapidly increased in the last two decades. There are many challenges associated with the current conventional therapies, including tumour size and location, the specificity of treatments, tumour resistance, non-mutually exclusive mutations, drug resistance, and many adverse side effects. Due to conventional therapies having several limitations, we have explored an alternative therapy such as nano-clays; nano-sized natural materials originating from clay fraction of the soil. Recently, clay nanoparticles have increasingly been used as a drug carrier for cancer treatment due to their high absorption, ability to engulf microbes, and low toxicity. In this study, we evaluated the effects of a nano-clays mix on melanoma cell proliferation and cell viability in vitro and melanoma growth in vivo xenograft animal model. The in vitro study revealed that nano-clay treatments significantly reduced melanoma cell proliferation and cell viability in a dosage-dependent manner. The in vivo tumour xenograft model demonstrated that nano-clay mix treatment led to significantly reduced tumour size and weight, decreased tumour cell mitosis, and induced tumour necrosis. These processes owe to the most probable changes in the membrane potential of the cancer cells once nano-clays bind with the former through the high non-specific adhesion characteristic of the cancer cells. As the data suggest an important role of nano-clays as an inhibitor of melanoma cell proliferation and survival, these prove to be a natural and effective medicine for the treatment of melanoma. The proven compatibility of nano-clays with the human cells with little side-effects makes them a highly preferred choice for the treatment of melanoma and probably other types of cancers.
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Cellular Analysis and Chemotherapeutic Potential of a Bi-Functionalized Halloysite Nanotube. Pharmaceutics 2020; 12:pharmaceutics12100962. [PMID: 33066206 PMCID: PMC7650711 DOI: 10.3390/pharmaceutics12100962] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 09/30/2020] [Accepted: 10/08/2020] [Indexed: 12/13/2022] Open
Abstract
The surface of halloysite nanotubes (HNTs) was bifunctionalized with two ligands—folic acid and a fluorochrome. In tandem, this combination should selectively target cancer cells and provide a means for imaging the nanoparticle. Modified bi-functionalized HNTs (bi-HNTs) were then doped with the anti-cancer drug methotrexate. bi-HNTs were characterized and subjected to in vitro tests to assess cellular growth and changes in cellular behavior in three cell lines—colon cancer, osteosarcoma, and a pre-osteoblast cell line (MC3T3-E1). Cell viability, proliferation, and cell uptake efficiency were assessed. The bi-HNTs showed cytocompatibility at a wide range of concentrations. Compared with regular-sized HNTs, reduced HNTs (~6 microns) were taken up by cells in more significant amounts, but increased cytotoxicity lead to apoptosis. Multi-photon images confirmed the intracellular location of bi-HNTs, and the method of cell entry was mainly through caveolae-mediated endocytosis. The bi-HNTs showed a high drug loading efficiency with methotrexate and a prolonged period of release. Most importantly, bi-HNTs were designed as a drug carrier to target cancer cells specifically, and imaging data shows that non-cancerous cells were unaffected after exposure to MTX-doped bi-HNTs. All data provide support for our nanoparticle design as a mechanism to selectively target cancer cells and significantly reduce the side-effects caused by off-targeting of anti-cancer drugs.
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Abduljauwad SN, Habib T, Ahmed HUR. Nano-clays as Potential Pseudo-antibodies for COVID-19. NANOSCALE RESEARCH LETTERS 2020; 15:173. [PMID: 32857226 PMCID: PMC7453700 DOI: 10.1186/s11671-020-03403-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 08/17/2020] [Indexed: 05/21/2023]
Abstract
Despite several efforts, the development of an effective vaccine for COVID-19 may take a much longer time. Traditional/natural medicine, already experienced by humans, could be an earlier solution. Considering the research team's experience in using nano-clays as high-affinity material for cancer metastasis, melanoma treatment, and bone regeneration, we propose to use these nano-clays for the prevention/treatment of COVID-19. Owing to high affinity, nano-clays would capture the viruses before the latter get engaged with human hACE2. In this study, molecular-level simulations and modeling of the interaction of coronavirus spike and hACE2 proteins were performed with and without nano-clays. The results showed a very high level of affinity/cohesiveness among SARS-CoV-2 spike and nano-clays as compared to the one between the former and hACE2. We premise that these nano-clays since already being used as drug carriers could also be injected as "clays-alone" medicine. Recommendations have also been provided for future in vitro and in vivo studies.
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Affiliation(s)
- Sahel N Abduljauwad
- Civil & Environmental Engineering department, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia
| | - Taimur Habib
- Royal College of Surgeons in Ireland (RCSI), Bahrain campus, Busaiteen, Bahrain
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15
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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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16
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Luo X, Zhang J, Wu YP, Yang X, Kuang XP, Li WX, Li YF, He RR, Liu M. Multifunctional HNT@Fe 3O 4@PPy@DOX Nanoplatform for Effective Chemo-Photothermal Combination Therapy of Breast Cancer with MR Imaging. ACS Biomater Sci Eng 2020; 6:3361-3374. [PMID: 33463181 DOI: 10.1021/acsbiomaterials.9b01709] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Multifunctional nanoparticles for imaging and treatment in cancer are getting more and more attention recently. Herein, halloysite nanotubes (HNTs), natural clay nanotubes, are designed as multifunctional nanoplatform for targeted delivering photothermal therapy agents and chemotherapeutic drugs. Fe3O4 was anchored on the outer surfaces of HNTs and then doxorubicin (DOX) was loaded on the nanotubes. Afterward, a layer of polypyrrole (PPy), as photothermal agent, was wrapped on the tubes. The nanoplatform of HNT@Fe3O4@PPy@DOX can be guided to tumor tissue by an external magnetic field, and then performs chemo-photothermal combined therapy by 808 nm laser irradiation. HNT@Fe3O4@PPy@DOX shows the ability of T2-weighted magnetic resonance imaging, which could be considered as a promising application in magnetic targeting tumor therapy. In vitro and in vivo experiments demonstrate that HNTs nanoplatform has good biocompatibility and produces a strong antitumor effect trigged by near-infrared laser irradiation. The novel chemo-photothermal therapy nanoplatform based on HNTs may be developed as a multifunctional nanoparticle for imaging and therapy in breast cancer.
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Affiliation(s)
- Xiang Luo
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Jun Zhang
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, China
| | - Yan-Ping Wu
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Xiaohan Yang
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, China
| | - Xiu-Ping Kuang
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China.,Yunnan University of Traditional Chinese Medicine, Kunming 650550, China
| | - Wei-Xi Li
- Yunnan University of Traditional Chinese Medicine, Kunming 650550, China
| | - Yi-Fang Li
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Rong-Rong He
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Mingxian Liu
- Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, China
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17
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Fidecka K, Giacoboni J, Picconi P, Vago R, Licandro E. Quantification of amino groups on halloysite surfaces using the Fmoc-method. RSC Adv 2020; 10:13944-13948. [PMID: 35498455 PMCID: PMC9051629 DOI: 10.1039/d0ra01994a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 03/24/2020] [Indexed: 12/23/2022] Open
Abstract
The functionalization of halloysite nanotube (HNT) surfaces with aminosilanes is an important strategy for their further decoration with organic molecules to obtain hybrid inorganic–organic nanoarchitectures to be used in catalysis and drug delivery. The exact quantification of amino groups on the surface is an important aspect in view of the obtainment of systems with a known number of loaded molecules. In the present study, we describe a simple and reliable method for the correct quantification of groups present on HNT surfaces after their reaction with aminopropyltriethoxysilane (APTES). This method, applied for the first time to HNT chemistry, was based on the use of Fmoc groups as probes covalently bound to APTES and quantified by UV-Vis after release from the HNT–APTES–Fmoc system. Interestingly, this method showed great accordance with the already employed quantitative thermogravimetric analysis (TGA), with some benefits such as simple and non-destructive procedure, besides the possibility to monitor the deprotection reaction. The functionalization of halloysite nanotube (HNT) surfaces with aminosilanes is an important strategy for their further decoration with organic molecules to obtain hybrid inorganic–organic nanoarchitectures to be used in catalysis and drug delivery.![]()
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Affiliation(s)
- Katarzyna Fidecka
- Dipartimento di Chimica, University of Milan Via Golgi 19 20133 Milan Italy +39250314139
| | - Jessica Giacoboni
- Dipartimento di Chimica, University of Milan Via Golgi 19 20133 Milan Italy +39250314139
| | - Pietro Picconi
- Dipartimento di Chimica, University of Milan Via Golgi 19 20133 Milan Italy +39250314139
| | - Riccardo Vago
- I.R.C.C.S. Ospedale San Raffaele Via Olgettina 60 20132 Milan Italy
| | - Emanuela Licandro
- Dipartimento di Chimica, University of Milan Via Golgi 19 20133 Milan Italy +39250314139
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18
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Clay nanotubes as a novel multifunctional excipient for the development of directly compressible diclofenac potassium tablets in a SeDeM driven QbD environment. Eur J Pharm Sci 2019; 133:214-227. [DOI: 10.1016/j.ejps.2019.03.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/13/2019] [Accepted: 03/30/2019] [Indexed: 11/18/2022]
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19
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Abduljauwad SN, Ahmed HUR. Enhancing cancer cell adhesion with clay nanoparticles for countering metastasis. Sci Rep 2019; 9:5935. [PMID: 30976058 PMCID: PMC6459834 DOI: 10.1038/s41598-019-42498-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 04/02/2019] [Indexed: 12/17/2022] Open
Abstract
Cancer metastasis results from the suppression of adhesion between cancer cells and the extracellular matrix, causing their migration from the primary tumor location and the subsequent formation of tumors in distant organs. This study demonstrates the potential use of nano-sized clay mineral particles to modulate adhesions between tumor cells and with the surrounding extracellular matrix. Atomic force microscopy studies of live cell cultures reveal a significant increase in adhesion between tumor cells and their environment after treatment with different types of electrically charged clay nanoparticles. The enhancement of adhesion among cancer cells was further confirmed through scratch type of wound healing assay studies. To provide insight into the adhesion mechanisms introduced by the clay nanoparticles, we performed a molecular-level computer simulation of cell adhesions in the presence and absence of the nanoparticles. Strong van der Waals and electrostatic attractions modelled in the molecular simulations result in an increase in the cohesive energy density of these environments when treated with clay crystallites. The increase in the cohesive energy density after the sorption of clay crystallites on cell-cell and cell-extracellular matrix complexes lends weight to our strategy of using clay nanoparticles for the restoration of adhesion among cancer cells and prevention of metastasis.
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Affiliation(s)
- Sahel N Abduljauwad
- Civil & Environmental Engineering Department, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia
| | - Habib-Ur-Rehman Ahmed
- Civil & Environmental Engineering Department, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran, Saudi Arabia.
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20
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Satish S, Tharmavaram M, Rawtani D. Halloysite nanotubes as a nature's boon for biomedical applications. Nanobiomedicine (Rij) 2019; 6:1849543519863625. [PMID: 31320940 PMCID: PMC6628522 DOI: 10.1177/1849543519863625] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 06/22/2019] [Indexed: 12/13/2022] Open
Abstract
The arena of biomedical science has long been in quest of innovative mediums for diagnostic and therapeutic applications. The latest being the use of nanomaterials for such applications, thereby giving rise to the branch of nanomedicine. Halloysite nanotubes (HNTs) are naturally occurring tubular clay nanomaterials, made of aluminosilicate kaolin sheets rolled several times. The aluminol and siloxane groups on the surface of HNT facilitate the formation of hydrogen bonding with the biomaterials onto its surface. These properties render HNT pivotal in diverse range of applications, such as in environmental sciences, waste-water treatment, dye removal, nanoelectronics and fabrication of nanocomposites, catalytic studies, as glass coatings or anticorrosive coatings, in cosmetics, as flame retardants, stimuli response, and forensic sciences. The specific properties of HNT also lead to numerous applications in biomedicine and nanomedicine, namely drug delivery, gene delivery, tissue engineering, cancer and stem cells isolation, and bioimaging. In this review, recent developments in the use of HNT for various nanomedicinal applications have been discussed.
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Affiliation(s)
- Swathi Satish
- Institute of Research & Development, Gujarat Forensic
Sciences University, Gandhinagar, Gujarat, India
| | - Maithri Tharmavaram
- Institute of Research & Development, Gujarat Forensic
Sciences University, Gandhinagar, Gujarat, India
| | - Deepak Rawtani
- Institute of Research & Development, Gujarat Forensic
Sciences University, Gandhinagar, Gujarat, India
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21
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Dramou P, Fizir M, Taleb A, Itatahine A, Dahiru NS, Mehdi YA, Wei L, Zhang J, He H. Folic acid-conjugated chitosan oligosaccharide-magnetic halloysite nanotubes as a delivery system for camptothecin. Carbohydr Polym 2018; 197:117-127. [DOI: 10.1016/j.carbpol.2018.05.071] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/15/2018] [Accepted: 05/24/2018] [Indexed: 12/15/2022]
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22
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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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23
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Lvov Y, Wang W, Zhang L, Fakhrullin R. Halloysite Clay Nanotubes for Loading and Sustained Release of Functional Compounds. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:1227-50. [PMID: 26438998 DOI: 10.1002/adma.201502341] [Citation(s) in RCA: 408] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2015] [Revised: 06/22/2015] [Indexed: 04/14/2023]
Abstract
Halloysite is an alumosilicate tubular clay with a diameter of 50 nm, an inner lumen of 15 nm and a length of 600-900 nm. It is a natural biocompatible nanomaterial available in thousands of tons at low price, which makes it a good candidate for nanoarchitectural composites. The inner lumen of halloysite may be adjusted by etching to 20-30% of the tube volume and loading with functional agents (antioxidants, anticorrosion agents, flame-retardant agents, drugs, or proteins) allowing for formulations with sustained release tuned by the tube end-stoppers for hours and days. Clogging the tube ends in polymeric composites allows further extension of the release time. Thus, antioxidant-loaded halloysite doped into rubber enhances anti-aging properties for at least 12 months. The addition of 3-5 wt% of halloysite increases the strength of polymeric materials, and the possibility of the tube's orientation promises a gradient of properties. Halloysite nanotubes are a promising mesoporous media for catalytic nanoparticles that may be seeded on the tube surface or synthesized exclusively in the lumens, providing enhanced catalytic properties, especially at high temperatures. In vitro and in vivo studies on biological cells and worms indicate the safety of halloysite, and tests for efficient adsorption of mycotoxins in animals' stomachs are also carried out.
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Affiliation(s)
- Yuri Lvov
- Institute for Micromanufacturing, Louisiana Tech University, 911 Hergot Ave, Ruston, LA, 71272, USA
- Bionanotechnology Lab, Kazan Federal University, Kreml uramı 18, Kazan, Republic of Tatarstan, Russian Federation, 420008
| | - Wencai Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 Chaoyang North Third Ring Rd., Beijing, 100029, China
| | - Liqun Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, 15 Chaoyang North Third Ring Rd., Beijing, 100029, China
| | - Rawil Fakhrullin
- Bionanotechnology Lab, Kazan Federal University, Kreml uramı 18, Kazan, Republic of Tatarstan, Russian Federation, 420008
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24
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Massaro M, Riela S, Baiamonte C, Blanco JLJ, Giordano C, Lo Meo P, Milioto S, Noto R, Parisi F, Pizzolanti G, Lazzara G. Dual drug-loaded halloysite hybrid-based glycocluster for sustained release of hydrophobic molecules. RSC Adv 2016. [DOI: 10.1039/c6ra14657k] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A dual drug-loaded HNT–CD glycocluster delivery system based on halloysite nanotubes and carbohydrate functionalized cyclodextrin for delivery of natural drugs was developed.
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25
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Aguzzi C, Sandri G, Cerezo P, Carazo E, Viseras C. Health and Medical Applications of Tubular Clay Minerals. DEVELOPMENTS IN CLAY SCIENCE 2016. [DOI: 10.1016/b978-0-08-100293-3.00026-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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26
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Kırımlıoğlu GY, Yazan Y, Erol K, Çengelli Ünel Ç. Gamma-aminobutyric acid loaded halloysite nanotubes and in vitro-in vivo evaluation for brain delivery. Int J Pharm 2015; 495:816-26. [DOI: 10.1016/j.ijpharm.2015.08.087] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 08/25/2015] [Accepted: 08/26/2015] [Indexed: 10/23/2022]
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27
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In-vitro assessment of cytotoxicity of halloysite nanotubes against HepG2, HCT116 and human peripheral blood lymphocytes. Colloids Surf B Biointerfaces 2015; 135:50-55. [DOI: 10.1016/j.colsurfb.2015.07.021] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 07/02/2015] [Accepted: 07/08/2015] [Indexed: 11/24/2022]
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28
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Clay nanotube encapsulation for functional biocomposites. Adv Colloid Interface Sci 2014; 207:189-98. [PMID: 24268974 DOI: 10.1016/j.cis.2013.10.006] [Citation(s) in RCA: 161] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Revised: 10/06/2013] [Accepted: 10/06/2013] [Indexed: 11/24/2022]
Abstract
Natural halloysite clay nanotubes with 50 nm outer- and 15 nm inner- diameters are described as miniature vehicles for sustained release of drugs and proteins. The release time may be adjusted from 10 to 200 h with the tube surface polymeric coating. An explanation of sustained release through locking electrical potential at the nanotube ends is suggested. These biocompatible ceramic tubes may be also used for architectural construction of nanoshells on microbes through alternation with polycations to enhance the intrinsic properties of biological cells. Halloysite nanotubes (pristine or drug-loaded) are well mixable with polar and low-polar polymers allowing for functional biocomposites with enhanced mechanical strength, adhesivity and slow release of drugs or other chemical agents. Halloysite is nontoxic abundantly available from natural deposit material which does not require exfoliation or other complicated energy consuming processing.
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29
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Guo W, Zheng M, Zhong Y, Meng F, Deng C, Zhong Z. Poly(ethylene oxide)-graft-methotrexate Macromolecular Drugs Conjugating via Aminopteridine Ring Exhibit Potent Anticancer Activity. CHINESE J CHEM 2013. [DOI: 10.1002/cjoc.201300611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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30
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Lecouvet B, Horion J, D'Haese C, Bailly C, Nysten B. Elastic modulus of halloysite nanotubes. NANOTECHNOLOGY 2013; 24:105704. [PMID: 23426014 DOI: 10.1088/0957-4484/24/10/105704] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
This work reports measurements of the elastic modulus of halloysite nanotubes. Nanoscale three-point bending tests were performed on individual nanotubes using an atomic force microscope. Nanotubes exhibit elastic behaviour at small deformations. The stiffness of the tubes, and hence their elastic modulus, was deduced from force curve measurements using an appropriate mechanical model. The boundary conditions were also identified by recording the stiffness profile of a tube along its suspended length. An average elastic modulus of 140 GPa is obtained for a set of tubes with outer diameters ranging between 50 and 160 nm. Moreover, the elastic modulus increases with decreasing outer diameter, with a steep jump below 50 nm. The size dependence of the elastic modulus may be attributed to: (i) surface tension effects for thinner tubes and (ii) a non-negligible contribution of shear deformations to the total deflection for larger tubes.
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Affiliation(s)
- B Lecouvet
- Bio- and Soft Matter, Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, Croix du Sud 1, box L7.04.02, B-1348 Louvain-la-Neuve, Belgium
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31
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Guo M, Muhammad F, Wang A, Qi W, Wang N, Guo Y, Wei Y, Zhu G. Magnesium hydroxide nanoplates: a pH-responsive platform for hydrophobic anticancer drug delivery. J Mater Chem B 2013; 1:5273-5278. [DOI: 10.1039/c3tb20466a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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