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Vallet-Regí M, Schüth F, Lozano D, Colilla M, Manzano M. Engineering mesoporous silica nanoparticles for drug delivery: where are we after two decades? Chem Soc Rev 2022; 51:5365-5451. [PMID: 35642539 PMCID: PMC9252171 DOI: 10.1039/d1cs00659b] [Citation(s) in RCA: 105] [Impact Index Per Article: 52.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Indexed: 12/12/2022]
Abstract
The present review details a chronological description of the events that took place during the development of mesoporous materials, their different synthetic routes and their use as drug delivery systems. The outstanding textural properties of these materials quickly inspired their translation to the nanoscale dimension leading to mesoporous silica nanoparticles (MSNs). The different aspects of introducing pharmaceutical agents into the pores of these nanocarriers, together with their possible biodistribution and clearance routes, would be described here. The development of smart nanocarriers that are able to release a high local concentration of the therapeutic cargo on-demand after the application of certain stimuli would be reviewed here, together with their ability to deliver the therapeutic cargo to precise locations in the body. The huge progress in the design and development of MSNs for biomedical applications, including the potential treatment of different diseases, during the last 20 years will be collated here, together with the required work that still needs to be done to achieve the clinical translation of these materials. This review was conceived to stand out from past reports since it aims to tell the story of the development of mesoporous materials and their use as drug delivery systems by some of the story makers, who could be considered to be among the pioneers in this area.
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Affiliation(s)
- María Vallet-Regí
- Chemistry in Pharmaceutical Sciences, School of Pharmacy, Universidad Complutense de Madrid, Research Institute Hospital 12 de Octubre (i + 12), Pz/Ramón y Cajal s/n, Madrid 28040, Spain.
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid 28029, Spain
| | - Ferdi Schüth
- Department of Heterogeneous Catalysis, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr, Germany
| | - Daniel Lozano
- Chemistry in Pharmaceutical Sciences, School of Pharmacy, Universidad Complutense de Madrid, Research Institute Hospital 12 de Octubre (i + 12), Pz/Ramón y Cajal s/n, Madrid 28040, Spain.
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid 28029, Spain
| | - Montserrat Colilla
- Chemistry in Pharmaceutical Sciences, School of Pharmacy, Universidad Complutense de Madrid, Research Institute Hospital 12 de Octubre (i + 12), Pz/Ramón y Cajal s/n, Madrid 28040, Spain.
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid 28029, Spain
| | - Miguel Manzano
- Chemistry in Pharmaceutical Sciences, School of Pharmacy, Universidad Complutense de Madrid, Research Institute Hospital 12 de Octubre (i + 12), Pz/Ramón y Cajal s/n, Madrid 28040, Spain.
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid 28029, Spain
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2
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Chemically engineered mesoporous silica nanoparticles-based intelligent delivery systems for theranostic applications in multiple cancerous/non-cancerous diseases. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214309] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Olivieri F, Castaldo R, Cocca M, Gentile G, Lavorgna M. Mesoporous silica nanoparticles as carriers of active agents for smart anticorrosive organic coatings: a critical review. NANOSCALE 2021; 13:9091-9111. [PMID: 33982729 DOI: 10.1039/d1nr01899j] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Mesoporous silica nanoparticles (MSN) have attracted increasing interest for their applicability as smart nanocarriers of corrosion inhibitors, due to their porous structure, resistance to main corrosive environments and good compatibility with polymer coatings. In this review, the main synthetic routes to obtain MSN with tailored textural properties, the design of different loading and stimuli-induced release strategies, the development of advanced organic nanocomposite coatings with MSN and the validation of their anticorrosive performances are reviewed and compared. Through a critical analysis of the literature, the most promising research trends and perspectives to exploit the highly interesting properties of MSN in advanced organic coatings are proposed.
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Affiliation(s)
- Federico Olivieri
- Institute for Polymers, Composites and Biomaterials, National Research Council of Italy, Via Campi Flegrei 34, 80078, Pozzuoli, Italy.
| | - Rachele Castaldo
- Institute for Polymers, Composites and Biomaterials, National Research Council of Italy, Via Campi Flegrei 34, 80078, Pozzuoli, Italy.
| | - Mariacristina Cocca
- Institute for Polymers, Composites and Biomaterials, National Research Council of Italy, Via Campi Flegrei 34, 80078, Pozzuoli, Italy.
| | - Gennaro Gentile
- Institute for Polymers, Composites and Biomaterials, National Research Council of Italy, Via Campi Flegrei 34, 80078, Pozzuoli, Italy.
| | - Marino Lavorgna
- Institute for Polymers, Composites and Biomaterials, National Research Council of Italy, P.le E. Fermi 1, 80055, Portici, Italy
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Li S, Kuok KI, Ji X, Xu A, Yin H, Zheng J, Tan H, Wang R. Supramolecular Modulation of Antibacterial Activity of Ambroxol by Cucurbit[7]uril. Chempluschem 2021; 85:679-683. [PMID: 32253831 DOI: 10.1002/cplu.202000119] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/24/2020] [Indexed: 12/14/2022]
Abstract
Supramolecular encapsulation by cucurbit[7]uril (CB[7]) was recently demonstrated to provide a simple and efficient method for antibacterial activity regulation of antibiotics. In this work, CB[7] was shown to form binary host-guest complex with ambroxol hydrochloride (ABX), a clinical mucokinetic and expectorant drug, which was reported to exhibit certain antibacterial activity. 1 H NMR titration and isothermal titration calorimetry experiment results suggested that the 4-hydroxyl cyclohexylamine group of ABX was included inside the CB[7] cavity, with a binding constant Ka of (6.69±0.11)×105 M-1 in phosphate buffered saline (PBS) solution, thermodynamically driven by both enthalpy change (ΔH=-12.2 kJ/mol) and entropy change (TΔS=21.1 kJ/mol). More importantly, ABX's inhibitory activity (MIC50 ) against bacillary strains towards Pseudomonas aeruginosa and Escherichia coli strains was decreased from (5.11±0.31)×10-6 M-1 and (2.63±0.34)×10-5 M-1 to zero upon encapsulation by CB[7], and was subsequently recovered to almost its original activity when a competitive guest, amantadine hydrochloride, for disassembling CB[7]-ABX complex, was added, suggesting that the antibacterial activity of ABX could be readily "turned off/on" upon its complexation and decomplexation with CB[7].
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Affiliation(s)
- Shengke Li
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Kit Ieng Kuok
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, 999078, Macau, P. R. China
| | - Xia Ji
- Faculty of Health Sciences, University of Macau, Avenida da Universidade, Taipa, 999078, Macau, P. R. China
| | - Anni Xu
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Hang Yin
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, 999078, Macau, P. R. China
| | - Jun Zheng
- Faculty of Health Sciences, University of Macau, Avenida da Universidade, Taipa, 999078, Macau, P. R. China
| | - Huaping Tan
- School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Ruibing Wang
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, 999078, Macau, P. R. China
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Supramolecular nano drug delivery systems mediated via host-guest chemistry of cucurbit[n]uril (n = 6 and 7). CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.04.049] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Zhou S, Ding C, Wang Y, Jiang W, Fu J. Supramolecular Valves Functionalized Rattle-Structured UCNPs@hm-SiO2 Nanoparticles with Controlled Drug Release Triggered by Quintuple Stimuli and Dual-Modality Imaging Functions: A Potential Theranostic Nanomedicine. ACS Biomater Sci Eng 2019; 5:6022-6035. [DOI: 10.1021/acsbiomaterials.9b01227] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
| | | | | | | | - Jiajun Fu
- State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China
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Mitra S, Kumar R, Roy P, Basu S, Barik S, Goswami A. Naturally Occurring and Synthetic Mesoporous Nanosilica: Multimodal Applications in Frontier Areas of Science. INTERNATIONAL JOURNAL OF NANOSCIENCE 2019. [DOI: 10.1142/s0219581x18500278] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Mesoporous silica nanoparticles (MSNs) have gained attention worldwide due to their structural versatility for diverse applications in a number of frontier areas of sciences. The intrinsic chemical, textural and structural features of MSNs allow fabricating versatile multifunctional nanosystems. The present review provides an overview of the research progress in artificial and biological production of MSNs, their properties and various applications in cutting edge areas of sciences.
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Affiliation(s)
- Sutanuka Mitra
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
| | - Rajesh Kumar
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, Pusa Campus, New Delhi 110 012, India
| | - Pradip Roy
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
| | - Satakshi Basu
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
| | - Samarendra Barik
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
| | - Arunava Goswami
- Biological Sciences Division, Indian Statistical Institute, 203 B. T. Road, Kolkata 700 108, India
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Bernardos A, Piacenza E, Sancenón F, Hamidi M, Maleki A, Turner RJ, Martínez-Máñez R. Mesoporous Silica-Based Materials with Bactericidal Properties. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1900669. [PMID: 31033214 DOI: 10.1002/smll.201900669] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/25/2019] [Indexed: 05/27/2023]
Abstract
Bacterial infections are the main cause of chronic infections and even mortality. In fact, due to extensive use of antibiotics and, then, emergence of antibiotic resistance, treatment of such infections by conventional antibiotics has become a major concern worldwide. One of the promising strategies to treat infection diseases is the use of nanomaterials. Among them, mesoporous silica materials (MSMs) have attracted burgeoning attention due to high surface area, tunable pore/particle size, and easy surface functionalization. This review discusses how one can exploit capacities of MSMs to design and fabricate multifunctional/controllable drug delivery systems (DDSs) to combat bacterial infections. At first, the emergency of bacterial and biofilm resistance toward conventional antimicrobials is described and then how nanoparticles exert their toxic effects upon pathogenic cells is discussed. Next, the main aspects of MSMs (e.g., physicochemical properties, multifunctionality, and biosafety) which one should consider in the design of MSM-based DDSs against bacterial infections are introduced. Finally, a comprehensive analysis of all the papers published dealing with the use of MSMs for delivery of antibacterial chemicals (antimicrobial agents functionalized/adsorbed on mesoporous silica (MS), MS-loaded with antimicrobial agents, gated MS-loaded with antimicrobial agents, MS with metal-based nanoparticles, and MS-loaded with metal ions) is provided.
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Affiliation(s)
- Andrea Bernardos
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València. Camí de Vera s/n, 46022, València, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, València, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, 46012, València, Spain
| | - Elena Piacenza
- Faculty of Science, Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València. Camí de Vera s/n, 46022, València, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, València, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, 46012, València, Spain
- Departamento de Química, Universitat Politècnica de València, Camí de Vera s/n, 46022, València, Spain
- Unidad Mixta de Investigacion en Nanomedicina y Sensores, Universitat Politecnica de Valencia, Instituto de Investigacion Sanitaria La Fe, 46026, Valencia, Spain
| | - Mehrdad Hamidi
- Zanjan Pharmaceutical Nanotechnology Research Center (ZPNRC), Zanjan University of Medical Sciences, 45139-56184, Zanjan, Iran
| | - Aziz Maleki
- Zanjan Pharmaceutical Nanotechnology Research Center (ZPNRC), Zanjan University of Medical Sciences, 45139-56184, Zanjan, Iran
| | - Raymond J Turner
- Faculty of Science, Department of Biological Sciences, University of Calgary, Calgary, AB, Canada
| | - Ramón Martínez-Máñez
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València. Camí de Vera s/n, 46022, València, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, València, Universitat Politècnica de València, Centro de Investigación Príncipe Felipe, 46012, València, Spain
- Departamento de Química, Universitat Politècnica de València, Camí de Vera s/n, 46022, València, Spain
- Unidad Mixta de Investigacion en Nanomedicina y Sensores, Universitat Politecnica de Valencia, Instituto de Investigacion Sanitaria La Fe, 46026, Valencia, Spain
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The design strategy of intelligent biomedical magnesium with controlled-release platform. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 97:254-263. [PMID: 30678910 DOI: 10.1016/j.msec.2018.12.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 11/08/2018] [Accepted: 12/10/2018] [Indexed: 11/20/2022]
Abstract
Magnesium has a very promising adhibition in biomedical field for its excellent mechanical and biodegradable properties, however, the intelligent applications of biomedical magnesium developed difficultly due to its characteristic degradation. A intelligent biomedical magnesium was constructed on magnesium (Mg) surface by incorporating polydopamine (PD) and mechanized hollow mesoporous silica nanoparticles (HMSs) as smart delivery platform nanocontainers. The supramolecular nanovalves of mechanized HMSs consisted of alginate/chitosan multilayers by self-assembly, which are capable of entrapping rhodamine 6G in the mesopores and can release the cargo under the chemical environment of alkali or Mg iron stimuli that correspond to the degradation of biomedical Mg. The alkali/Mg2+ dual stimuli-responsive release property of the HMSs endows the biodegradable Mg with controlled release potential. The well-designed smart delivery nanocontainers were combined with polydopamine deposited on Mg for excellent adhesion properties and positively charged amino group of PD. Furthermore, when the biomedical Mg with these mechanized HMSs was degraded in the simulated body environment, the alkali/Mg2+-triggered release of cargos from this smart delivery platform could bring a more functional application.
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Tan X, Sun Y, Sun T, Zhang H. Mechanised lubricating silica nanoparticles for on-command cargo release on simulated surfaces of joint cavities. Chem Commun (Camb) 2019; 55:2593-2596. [DOI: 10.1039/c8cc10069a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Supramolecular mechanised silica nanoparticles for controlled cargo release and lubrication enhancement are demonstrated.
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Affiliation(s)
- Xiaolong Tan
- State Key Laboratory of Tribology
- Department of Mechanical Engineering
- Tsinghua University
- Beijing 100084
- P. R. China
| | - Yulong Sun
- State Key Laboratory of Tribology
- Department of Mechanical Engineering
- Tsinghua University
- Beijing 100084
- P. R. China
| | - Tao Sun
- State Key Laboratory of Tribology
- Department of Mechanical Engineering
- Tsinghua University
- Beijing 100084
- P. R. China
| | - Hongyu Zhang
- State Key Laboratory of Tribology
- Department of Mechanical Engineering
- Tsinghua University
- Beijing 100084
- P. R. China
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Cheng X, Li D, Lin A, Xu J, Wu L, Gu H, Huang Z, Liu J, Zhang Y, Yin X. Fabrication of multifunctional triple-responsive platform based on CuS-capped periodic mesoporous organosilica nanoparticles for chemo-photothermal therapy. Int J Nanomedicine 2018; 13:3661-3677. [PMID: 29983561 PMCID: PMC6028353 DOI: 10.2147/ijn.s167407] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION For an ideal drug delivery system, the outstanding drug-loading capacity and specific control of the release of therapeutics at the desired lesions are crucial. In this work, we developed a triple-responsive nanoplatform based on copper sulfide (CuS)-capped yolk-shell-structured periodic mesoporous organosilica nanoparticles (YSPMOs) for synergetic chemo-photothermal therapy. METHODS Herein, the YSPMOs were employed as a drug carrier, which exhibited a high doxorubicin (DOX) loading capacity of 386 mg/g. In this controlled-release drug delivery system, CuS serves as a gatekeeper to modify YSPMOs with reduction-cleavable disulfide bond (YSPMOs@CuS). CuS could not only avoid premature leakage in the delivery process, but also endowed the excellent photothermal therapy (PTT) ability. RESULTS Upon entering into cancer cells, the CuS gatekeeper was opened with the breaking of disulfide bonds and the DOX release from YSPMOs(DOX)@CuS in response to the intracellular acidic environment and external laser irradiation. Such a precise control over drug release, combined with the photothermal effect of CuS nanoparticles, is possessed by synergistic chemo-photothermal therapy for cancer treatment. Both in vitro and in vivo experimental data indicated that the synergistic effect of YSPMOs(DOX)@CuS showed efficient antitumor effect. In addition, low systemic toxicity was observed in the pathologic examinations of liver, spleen, lungs, and kidneys. CONCLUSION This versatile nanoplatform combination of PTT, chemotherapeutics, and gating components shows general potential for designing multifunctional drug delivery systems.
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Affiliation(s)
- Xiangyang Cheng
- Department of Orthopedics, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai 201199, China,
| | - Dejian Li
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201301, China
| | - Aiqi Lin
- Department of Retired, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai 201199, China
| | - Jun Xu
- Department of Orthopedics, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai 201199, China,
| | - Liang Wu
- Department of Orthopedics, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai 201199, China,
| | - Huijie Gu
- Department of Orthopedics, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai 201199, China,
| | - Zhongyue Huang
- Department of Orthopedics, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai 201199, China,
| | - Jiangyi Liu
- Department of Orthopedics, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai 201199, China,
| | - Yiming Zhang
- Department of Orthopedics, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai 201199, China,
| | - Xiaofan Yin
- Department of Orthopedics, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai 201199, China,
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Ding C, Tong L, Fu J. Quadruple Stimuli-Responsive Mechanized Silica Nanoparticles: A Promising Multifunctional Nanomaterial for Diverse Applications. Chemistry 2017; 23:15041-15045. [DOI: 10.1002/chem.201704245] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Indexed: 01/09/2023]
Affiliation(s)
- ChenDi Ding
- School of Chemical Engineering; Nanjing University of Science and Technology; Nanjing 210094 P. R. China
| | - Ling Tong
- School of Chemical Engineering; Nanjing University of Science and Technology; Nanjing 210094 P. R. China
| | - JiaJun Fu
- School of Chemical Engineering; Nanjing University of Science and Technology; Nanjing 210094 P. R. China
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Rayappan K, Murugan C, Sundarraj S, Lara RP, Kannan S. Peptide-Conjugated Nano-Drug Delivery System to Improve Synergistic Molecular Chemotherapy for Colon Carcinoma. ChemistrySelect 2017. [DOI: 10.1002/slct.201701153] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kathirvel Rayappan
- Division of Cancer Nanomedicine; Department of Zoology; Periyar University; Salem - 636 011, Tamil Nadu INDIA
| | - Chandran Murugan
- Division of Cancer Nanomedicine; Department of Zoology; Periyar University; Salem - 636 011, Tamil Nadu INDIA
| | - Shenbagamoorthy Sundarraj
- Division of Cancer Nanomedicine; Department of Zoology; Periyar University; Salem - 636 011, Tamil Nadu INDIA
- PG and Research Department of Zoology, Ayya Nadar Janaki Ammal College; Sivakasi - 626124, Tamil Nadu, INDIA
| | | | - Soundarapandian Kannan
- Division of Cancer Nanomedicine; Department of Zoology; Periyar University; Salem - 636 011, Tamil Nadu INDIA
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Zhou X, Su X, Pathak P, Vik R, Vinciguerra B, Isaacs L, Jayawickramarajah J. Host-Guest Tethered DNA Transducer: ATP Fueled Release of a Protein Inhibitor from Cucurbit[7]uril. J Am Chem Soc 2017; 139:13916-13921. [PMID: 28882044 DOI: 10.1021/jacs.7b07977] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Host-guest complexes are emerging as powerful components in functional systems with applications ranging from materials to biomedicine. In particular, CB7 based host-guest complexes have received much attention for the controlled release of drugs due to the remarkable ability of CB7 toward binding input molecules in water with high affinity leading to displacement of CB7 from included pharmacophores (or from drug loaded porous particles). However, the release of bound guests from CB7 in response to endogenous biological molecules remains limited since the input biomolecule needs to have the appropriate chemical structure to bind tightly into the CB7 cavity. Herein we describe a synthetic transducer based on self-assembling DNA-small molecule chimeras (DCs) that is capable of converting a chosen biological input, adenosine triphosphate (ATP; that does not directly bind to the CB7 host), into functional displacement of a protein inhibitor that is bound within the CB7 host. Our system-which features the first example of a covalent CB-DNA conjugate-is highly modular and can be adapted to enable responsiveness to other biologically/clinically relevant stimuli via its split DNA aptamer architecture.
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Affiliation(s)
- Xiao Zhou
- Department of Chemistry, Tulane University , 2015 Percival Stern Hall, New Orleans, Louisiana 70118, United States
| | - Xiaoye Su
- Department of Chemistry, Tulane University , 2015 Percival Stern Hall, New Orleans, Louisiana 70118, United States
| | - Pravin Pathak
- Department of Chemistry, Tulane University , 2015 Percival Stern Hall, New Orleans, Louisiana 70118, United States
| | - Ryan Vik
- Department of Chemistry, Tulane University , 2015 Percival Stern Hall, New Orleans, Louisiana 70118, United States
| | - Brittany Vinciguerra
- Department of Chemistry and Biochemistry, University of Maryland , College Park, Maryland 20742, United States
| | - Lyle Isaacs
- Department of Chemistry and Biochemistry, University of Maryland , College Park, Maryland 20742, United States
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Santha Moorthy M, Bharathiraja S, Manivasagan P, Lee KD, Oh J. Synthesis of surface capped mesoporous silica nanoparticles for pH-stimuli responsive drug delivery applications. MEDCHEMCOMM 2017; 8:1797-1805. [PMID: 30108889 DOI: 10.1039/c7md00270j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 06/28/2017] [Indexed: 11/21/2022]
Abstract
Mesoporous silica-based drug delivery carriers mostly require appropriate surface modifications to improve their drug delivery efficiency and to reduce their adverse side effects. In the present work, we have synthesised mesoporous silica nanoparticles and their surface was covered by using capping units such as tetrathio-maleimide (TTM) via a "host-guest" complexation mechanism for pH-responsive drug delivery applications. The surface-functionalised melamine (Mela) groups on the outer surface of the mesoporous silica nanoparticles act as "hosts" and the surface capped TTM units act as "guests" during the surface capping of the mesoporous silica nanoparticles via the "host-guest" complexation approach. After the encapsulation of cargoes into the mesopore channels, the melamine functional groups were covalently immobilised onto the outer surface of the cargo loaded MSNs and then the TTM units were introduced onto the outer surface of the silica nanoparticles as "gatekeepers" to obtain surface capped mesoporous silica (MSN@Mela@TTM/RhB) NPs to protect the loaded cargo molecules inside the mesopore channels and to prevent their premature leakage. The surface-capped TTM units controlled the drug release behavior with respect to the pH of the release medium. In this study, we used rhodamine B (RhB) as a model cargo to study the loading and pH-responsive release behavior of the MSN@Mela@TTM NPs. The encapsulated RhB molecules were retained inside the mesopore channels at physiological pH (pH 7.4) conditions while an enhanced release occurred at acidic pH (pH 5.0 and 4.0) conditions, respectively. Furthermore, the in vitro biocompatibility and the intracellular uptake efficiency of the synthesised MSNs@Mela@TTM NPs were examined by using the MDA-MB-231 cell line. The experimental results suggest that the MSNs@Mela@TTM nanoparticles are biocompatible and could be utilised for pH-stimuli responsive drug delivery applications.
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Affiliation(s)
- Madhappan Santha Moorthy
- Marine-Integrated Bionics Research Center , Pukyong National University , Busan , 48513 , Republic of Korea .
| | - Subramanian Bharathiraja
- Marine-Integrated Bionics Research Center , Pukyong National University , Busan , 48513 , Republic of Korea .
| | - Panchanathan Manivasagan
- Marine-Integrated Bionics Research Center , Pukyong National University , Busan , 48513 , Republic of Korea .
| | - Kang Dae Lee
- Department of Otolaryngology-Head and Neck Surgery , Kosin University College of Medicine , Busan 48513 , Republic of Korea
| | - Junghwan Oh
- Marine-Integrated Bionics Research Center , Pukyong National University , Busan , 48513 , Republic of Korea . .,Department of Biomedical Engineering and Center for Marine-Integrated Biotechnology (BK21 Plus) , Pukyong National University , Busan , 48513 , Republic of Korea
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16
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Wen J, Yang K, Liu F, Li H, Xu Y, Sun S. Diverse gatekeepers for mesoporous silica nanoparticle based drug delivery systems. Chem Soc Rev 2017; 46:6024-6045. [DOI: 10.1039/c7cs00219j] [Citation(s) in RCA: 312] [Impact Index Per Article: 44.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Progress on the design of diverse gatekeepers for mesoporous silica nanoparticle based drug delivery systems is summarized.
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Affiliation(s)
- Jia Wen
- Shaanxi Key Laboratory of Natural Products & Chemical Biology
- College of Chemistry & Pharmacy
- Northwest A&F University
- Yangling
- P. R. China
| | - Kui Yang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology
- College of Chemistry & Pharmacy
- Northwest A&F University
- Yangling
- P. R. China
| | - Fengyu Liu
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian 116023
- China
| | - Hongjuan Li
- Shaanxi Key Laboratory of Natural Products & Chemical Biology
- College of Chemistry & Pharmacy
- Northwest A&F University
- Yangling
- P. R. China
| | - Yongqian Xu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology
- College of Chemistry & Pharmacy
- Northwest A&F University
- Yangling
- P. R. China
| | - Shiguo Sun
- Shaanxi Key Laboratory of Natural Products & Chemical Biology
- College of Chemistry & Pharmacy
- Northwest A&F University
- Yangling
- P. R. China
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17
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Prabhakar N, Zhang J, Desai D, Casals E, Gulin-Sarfraz T, Näreoja T, Westermarck J, Rosenholm JM. Stimuli-responsive hybrid nanocarriers developed by controllable integration of hyperbranched PEI with mesoporous silica nanoparticles for sustained intracellular siRNA delivery. Int J Nanomedicine 2016; 11:6591-6608. [PMID: 27994460 PMCID: PMC5154729 DOI: 10.2147/ijn.s120611] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Small interfering RNA (siRNA) is a highly potent drug in gene-based therapy with the challenge being to deliver it in a sustained manner. The combination of mesoporous silica nanoparticles (MSNs) and polycations in the confined pore space allows for incorporation and controlled release of therapeutic siRNA payloads. We hereby constructed MSNs with expanded mesopores and pore-surface-hyperbranched poly(ethyleneimine) (PEI) tethered with redox-cleavable linkers that could carry a high payload of siRNA (120 mg·g−1). The developed nanocarriers were efficiently taken up by cancer cells and were subsequently able to escape to the cytoplasm from the endosomes, most likely owing to the integrated PEI. Triggered by the intracellular redox conditions, the siRNA was sustainably released inside the cells over a period of several days. Functionality of siRNAs was demonstrated by using cell-killing siRNA as cargo. Despite not being the aim of the developed system, in vitro experiments using cell-killing siRNAs showed that the efficacy of siRNA transfection was comparable to the commercial in vitro transfection agent Lipofectamine. Consequently, the developed MSN-based delivery system offers a potential approach to hybrid nanocarriers for more efficient and long-term siRNA delivery and, in a longer perspective, in vivo gene silencing for RNA interference (RNAi) therapy.
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Affiliation(s)
- Neeraj Prabhakar
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University; Laboratory of Biophysics, Faculty of Medicine, University of Turku, Turku, Finland
| | - Jixi Zhang
- College of Bioengineering, Chongqing University, Chongqing, People's Republic of China
| | - Diti Desai
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University
| | - Eudald Casals
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University
| | - Tina Gulin-Sarfraz
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University
| | - Tuomas Näreoja
- Laboratory of Biophysics, Faculty of Medicine, University of Turku, Turku, Finland; Department of Neuroscience, Karolinska Institute, Stockholm, Sweden
| | - Jukka Westermarck
- Centre for Biotechnology, University of Turku and Åbo Akademi; Department of Pathology, University of Turku, Turku, Finland
| | - Jessica M Rosenholm
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University
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18
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Roik NV, Belyakova LA. Mesoporous silica nanoparticles equipped with surface nanovalves for pH-controlled liberation of doxorubicin. Interface Focus 2016; 6:20160041. [PMID: 27920890 PMCID: PMC5071812 DOI: 10.1098/rsfs.2016.0041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Silica carriers equipped with molecular and supramolecular pH-sensitive nanovalves were designed by combination of sol-gel synthesis and selective postsynthetic modification. Mesoporous structure of synthesized materials was characterized by low-temperature nitrogen adsorption-desorption, small-angle X-ray diffraction and transmission electron microscopy. Chemical immobilization of N-[N'-(N'-phenyl)-2-aminophenyl]aminoalkyl groups was confirmed by IR spectral and chemical analyses of surface layer. Loading and release behaviour of synthesized drug carriers was studied in phosphate buffer solutions with pH 5.0 and pH 7.0 using doxorubicin (Dox) as a test molecule. It was found that the loading efficiency of synthesized materials determined by UV spectroscopy measurements reached 59-76%, whereas cumulative value of Dox released from silica materials equipped with molecular and supramolecular nanovalves into the phosphate buffer solution with pH 5.0 reached up to 48% and 51%, respectively. It was proved that aromatic amino groups and surface supramolecular structures localized near pore openings play an essential role in pH-controlled Dox release.
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Affiliation(s)
- N. V. Roik
- Chuiko Institute of Surface Chemistry of NAS of Ukraine, 17 General Naumov Street, Kyiv 03164, Ukraine
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19
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Zhu X, Wang CQ. pH and redox-operated nanovalve for size-selective cargo delivery on hollow mesoporous silica spheres. J Colloid Interface Sci 2016; 480:39-48. [DOI: 10.1016/j.jcis.2016.06.043] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 06/16/2016] [Accepted: 06/17/2016] [Indexed: 11/25/2022]
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20
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Wang M, Gong G, Feng J, Wang T, Ding C, Zhou B, Jiang W, Fu J. Dual pH-Mediated Mechanized Hollow Zirconia Nanospheres. ACS APPLIED MATERIALS & INTERFACES 2016; 8:23289-23301. [PMID: 27523904 DOI: 10.1021/acsami.6b07603] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We demonstrate for the first time how to assemble mechanized hollow zirconia nanospheres (MHzNs), consisting of hollow mesoporous zirconia nanospheres (HMZNs) as nanoscaffolds and supramolecular switches anchored on the exterior surface of HMZNs. The remarkable advantage of substitution of HMZNs for conventional mesoporous silica nanoscaffolds is that HMZNs can suffer the hot alkaline reaction environment, which provides a novel strategy for functionalization and thus achieve dual pH-mediated controlled release functions by simple and practicable assembly procedure. Under neutral solution, cucurbituril[7] (CB[7]) macrocycles complexed with propanone bis(2-aminoethyl)ketal (PBAEK) to form [2]pseudorotaxanes as supramolecular switches, blocking the pore orifices and preventing the undesirable leakage of cargoes. When solution pH was adjusted to alkaline range, CB[7] macrocycles, acting as caps, disassociated from PBAEK stalks and opened the switches due to the dramatic decrease of ion-dipole interactions. While under acidic conditions, PBAEK stalks were broken on account of the cleavage of ketal groups, resulting in the collapse of supramolecular switches and subsequent release of encapsulated cargoes. MHzNs owning dual pH-mediated controlled release characteristic are expected to apply in many fields. In this work, the feasibility of doxorubicin (DOX)-loaded MHzNs as targeted drug delivery systems was evaluated. In vitro cellular studies demonstrate that DOX-loaded MHzNs can be easily taken up by SMMC-7721 cells, can rapidly release DOX intracellularly, and can enhance cytotoxicity against tumor cells, proving their potential for chemotherapy.
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Affiliation(s)
- MingDong Wang
- School of Chemical Engineering, ‡Computational Institute for Molecules and Materials, and §National Special Superfine Powder Engineering Research Centre, Nanjing University of Science and Technology , Nanjing 210094, China
| | - GuangCai Gong
- School of Chemical Engineering, ‡Computational Institute for Molecules and Materials, and §National Special Superfine Powder Engineering Research Centre, Nanjing University of Science and Technology , Nanjing 210094, China
| | - Jing Feng
- School of Chemical Engineering, ‡Computational Institute for Molecules and Materials, and §National Special Superfine Powder Engineering Research Centre, Nanjing University of Science and Technology , Nanjing 210094, China
| | - Ting Wang
- School of Chemical Engineering, ‡Computational Institute for Molecules and Materials, and §National Special Superfine Powder Engineering Research Centre, Nanjing University of Science and Technology , Nanjing 210094, China
| | - ChenDi Ding
- School of Chemical Engineering, ‡Computational Institute for Molecules and Materials, and §National Special Superfine Powder Engineering Research Centre, Nanjing University of Science and Technology , Nanjing 210094, China
| | - BaoJing Zhou
- School of Chemical Engineering, ‡Computational Institute for Molecules and Materials, and §National Special Superfine Powder Engineering Research Centre, Nanjing University of Science and Technology , Nanjing 210094, China
| | - Wei Jiang
- School of Chemical Engineering, ‡Computational Institute for Molecules and Materials, and §National Special Superfine Powder Engineering Research Centre, Nanjing University of Science and Technology , Nanjing 210094, China
| | - JiaJun Fu
- School of Chemical Engineering, ‡Computational Institute for Molecules and Materials, and §National Special Superfine Powder Engineering Research Centre, Nanjing University of Science and Technology , Nanjing 210094, China
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21
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Aznar E, Oroval M, Pascual L, Murguía JR, Martínez-Máñez R, Sancenón F. Gated Materials for On-Command Release of Guest Molecules. Chem Rev 2016; 116:561-718. [DOI: 10.1021/acs.chemrev.5b00456] [Citation(s) in RCA: 381] [Impact Index Per Article: 47.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Elena Aznar
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Unidad mixta Universitat Politècnica de València-Universitat de València, Camino
de Vera s/n, 46022 València, Spain
- CIBER
de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Mar Oroval
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Unidad mixta Universitat Politècnica de València-Universitat de València, Camino
de Vera s/n, 46022 València, Spain
- CIBER
de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Lluís Pascual
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Unidad mixta Universitat Politècnica de València-Universitat de València, Camino
de Vera s/n, 46022 València, Spain
- CIBER
de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Jose Ramón Murguía
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Unidad mixta Universitat Politècnica de València-Universitat de València, Camino
de Vera s/n, 46022 València, Spain
- Departamento
de Biotecnología, Universitat Politècnica de València, Camino
de Vera s/n, 46022 València, Spain
- CIBER
de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Ramón Martínez-Máñez
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Unidad mixta Universitat Politècnica de València-Universitat de València, Camino
de Vera s/n, 46022 València, Spain
- Departamento
de Química, Universitat Politècnica de València, Camino
de Vera s/n, 46022 València, Spain
- CIBER
de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
| | - Félix Sancenón
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Unidad mixta Universitat Politècnica de València-Universitat de València, Camino
de Vera s/n, 46022 València, Spain
- Departamento
de Química, Universitat Politècnica de València, Camino
de Vera s/n, 46022 València, Spain
- CIBER
de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN)
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22
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Zhu X, Zhao J, Wang C. Acid and base dual-controlled cargo molecule release from polyaniline gated-hollow mesoporous silica nanoparticles. Polym Chem 2016. [DOI: 10.1039/c6py01507g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Polyaniline chains grafted onto the surface of hollow mesoporous silica served as the gate to realize drug dual-controlled release.
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Affiliation(s)
- Xinyun Zhu
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing 100049
- P. R. China
| | - Jianliang Zhao
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing 100049
- P. R. China
| | - Caiqi Wang
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences
- Beijing 100049
- P. R. China
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23
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Ding C, Liu Y, Wang T, Fu J. Triple-stimuli-responsive nanocontainers assembled by water-soluble pillar[5]arene-based pseudorotaxanes for controlled release. J Mater Chem B 2016; 4:2819-2827. [DOI: 10.1039/c6tb00459h] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Working mechanism of triple-stimuli-responsive nanocontainers: alkaline, acid and Zn2+ stimuli can open the advanced supramolecular nanovalves.
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Affiliation(s)
- ChenDi Ding
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
| | - Ying Liu
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
| | - Ting Wang
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
| | - JiaJun Fu
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
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24
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Li QL, Xu SH, Zhou H, Wang X, Dong B, Gao H, Tang J, Yang YW. pH and Glutathione Dual-Responsive Dynamic Cross-Linked Supramolecular Network on Mesoporous Silica Nanoparticles for Controlled Anticancer Drug Release. ACS APPLIED MATERIALS & INTERFACES 2015; 7:28656-28664. [PMID: 26633741 DOI: 10.1021/acsami.5b10534] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A dynamic cross-linked supramolecular network of poly(glycidyl methacrylate)s derivative chains was constructed on mesoporous silica nanoparticles via disulfide bond and ion-dipole interactions between cucurbit[7]urils and protonated diamines in the polymer chains. This kind of multifunctional organic-inorganic hybrid material with pH- and glutathione- (GSH-) stimuli responsiveness can be applied to anticancer drug delivery and controlled release. Good release performance toward doxorubicin hydrochloride (DOX) was achieved under the simulative tumor intracellular environment (pH = 5.0, CGSH = 2-10 mM). Significantly, the release amount of DOX increased upon lowering the solution pH value and increasing the concentration of GSH, as demonstrated by a series of controlled release experiments. Furthermore, the DOX-loaded hybrid nanomaterials displayed apparent cell-growth inhibition effects to cancer cell lines, as evidenced by MTT assay and confocal laser scanning microscopy.
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Affiliation(s)
| | | | | | | | | | - Hui Gao
- School of Chemistry and Chemical Engineering, Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Material Science and Engineering, Tianjin University of Technology , Tianjin 300384, People's Republic of China
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25
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Sun R, Wang W, Wen Y, Zhang X. Recent Advance on Mesoporous Silica Nanoparticles-Based Controlled Release System: Intelligent Switches Open up New Horizon. NANOMATERIALS (BASEL, SWITZERLAND) 2015; 5:2019-2053. [PMID: 28347110 PMCID: PMC5304765 DOI: 10.3390/nano5042019] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 10/25/2015] [Accepted: 10/28/2015] [Indexed: 12/18/2022]
Abstract
Mesoporous silica nanoparticle (MSN)-based intelligent transport systems have attracted many researchers' attention due to the characteristics of uniform pore and particle size distribution, good biocompatibility, high surface area, and versatile functionalization, which have led to their widespread application in diverse areas. In the past two decades, many kinds of smart controlled release systems were prepared with the development of brilliant nano-switches. This article reviews and discusses the advantages of MSN-based controlled release systems. Meanwhile, the switching mechanisms based on different types of stimulus response are systematically analyzed and summarized. Additionally, the application fields of these devices are further discussed. Obviously, the recent evolution of smart nano-switches promoted the upgrading of the controlled release system from the simple "separated" switch to the reversible, multifunctional, complicated logical switches and selective switches. Especially the free-blockage switches, which are based on hydrophobic/hydrophilic conversion, have been proposed and designed in the last two years. The prospects and directions of this research field are also briefly addressed, which could be better used to promote the further development of this field to meet the needs of mankind.
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Affiliation(s)
- Ruijuan Sun
- Research Center for Bioengineering & Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Wenqian Wang
- Research Center for Bioengineering & Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Yongqiang Wen
- Research Center for Bioengineering & Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Xueji Zhang
- Research Center for Bioengineering & Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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26
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Zhou T, Song N, Xu SH, Dong B, Yang YW. Dual-Responsive Mechanized Mesoporous Silica Nanoparticles Based on Sulfonatocalixarene Supramolecular Switches. Chemphyschem 2015; 17:1840-5. [DOI: 10.1002/cphc.201500726] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 10/26/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Ting Zhou
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry; College of Chemistry; International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC); Jilin University; 2699 Qianjin Street Changchun 130012 P. R. China
| | - Nan Song
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry; College of Chemistry; International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC); Jilin University; 2699 Qianjin Street Changchun 130012 P. R. China
| | - Shi-Han Xu
- State Key Laboratory on Integrated Optoelectronics; College of Electronic Science and Engineering; Jilin University; 2699 Qianjin Street Changchun 130012 P. R. China
| | - Biao Dong
- State Key Laboratory on Integrated Optoelectronics; College of Electronic Science and Engineering; Jilin University; 2699 Qianjin Street Changchun 130012 P. R. China
| | - Ying-Wei Yang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry; College of Chemistry; International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC); Jilin University; 2699 Qianjin Street Changchun 130012 P. R. China
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27
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Chang YJ, Liu XZ, Zhao Q, Yang XH, Wang KM, Wang Q, Lin M, Yang M. P(VPBA-DMAEA) as a pH-sensitive nanovalve for mesoporous silica nanoparticles based controlled release. CHINESE CHEM LETT 2015. [DOI: 10.1016/j.cclet.2015.08.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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28
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Wang T, Sun G, Wang M, Zhou B, Fu J. Voltage/pH-Driven Mechanized Silica Nanoparticles for the Multimodal Controlled Release of Drugs. ACS APPLIED MATERIALS & INTERFACES 2015; 7:21295-21304. [PMID: 26345470 DOI: 10.1021/acsami.5b05619] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The major challenges of current drug delivery systems for combination chemotherapy focus on how to efficiently transport drugs to target sites and release multiple drugs in a programmed manner. Herein, we report a novel multidrug delivery system, MSNPs 1, based on mechanized silica nanoparticles, which were constructed through functionalization of mesoporous silica nanoparticles with the acid-cleavable intermediate linkages and the monoferrocene functionalized β-cyclodextrin (Fc-β-CD) as supramolecular nanovalves. MSNPs 1 achieved zero premature release in the physiological pH solution and realized two different release modalities. In modality 1, MSNPs 1 released the encapsulated drugs gemcitabine (GEM) and doxorubicin (DOX) in sequence when they were successively applied to voltage and acid stimuli. The release time and dosage of GEM were precisely controlled via external voltage. The subsequent acid-triggered release of DOX was attributed to breakage of the intermediate linkages containing ketal groups. Modality 2 is the concurrent release of these two drugs directly upon acid exposure. Furthermore, the cell viability experiments demonstrated that MSNPs 1 had an improved cytotoxicity to MCF7 cells in comparison with single DOX- or GEM-loaded mechanized silica nanoparticles. We envisage that MSNPs 1 will play an important role in research and development for a new generation of controlled-release drug delivery system.
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Affiliation(s)
- Ting Wang
- School of Chemical Engineering and ‡Institute of Computation in Molecular and Materials Science and Department of Chemistry, Nanjing University of Science and Technology , Nanjing 210094, P. R. China
| | - GuangPing Sun
- School of Chemical Engineering and ‡Institute of Computation in Molecular and Materials Science and Department of Chemistry, Nanjing University of Science and Technology , Nanjing 210094, P. R. China
| | - MingDong Wang
- School of Chemical Engineering and ‡Institute of Computation in Molecular and Materials Science and Department of Chemistry, Nanjing University of Science and Technology , Nanjing 210094, P. R. China
| | - BaoJing Zhou
- School of Chemical Engineering and ‡Institute of Computation in Molecular and Materials Science and Department of Chemistry, Nanjing University of Science and Technology , Nanjing 210094, P. R. China
| | - JiaJun Fu
- School of Chemical Engineering and ‡Institute of Computation in Molecular and Materials Science and Department of Chemistry, Nanjing University of Science and Technology , Nanjing 210094, P. R. China
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29
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Abendroth JM, Bushuyev OS, Weiss PS, Barrett CJ. Controlling Motion at the Nanoscale: Rise of the Molecular Machines. ACS NANO 2015; 9:7746-68. [PMID: 26172380 DOI: 10.1021/acsnano.5b03367] [Citation(s) in RCA: 304] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
As our understanding and control of intra- and intermolecular interactions evolve, ever more complex molecular systems are synthesized and assembled that are capable of performing work or completing sophisticated tasks at the molecular scale. Commonly referred to as molecular machines, these dynamic systems comprise an astonishingly diverse class of motifs and are designed to respond to a plethora of actuation stimuli. In this Review, we outline the conditions that distinguish simple switches and rotors from machines and draw from a variety of fields to highlight some of the most exciting recent examples of opportunities for driven molecular mechanics. Emphasis is placed on the need for controllable and hierarchical assembly of these molecular components to display measurable effects at the micro-, meso-, and macroscales. As in Nature, this strategy will lead to dramatic amplification of the work performed via the collective action of many machines organized in linear chains, on functionalized surfaces, or in three-dimensional assemblies.
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Affiliation(s)
- John M Abendroth
- California NanoSystems Institute and Department of Chemistry & Biochemistry, University of California , Los Angeles, Los Angeles, California 90095, United States
| | | | - Paul S Weiss
- California NanoSystems Institute and Department of Chemistry & Biochemistry, University of California , Los Angeles, Los Angeles, California 90095, United States
- Department of Materials Science & Engineering, University of California , Los Angeles, Los Angeles, California 90095, United States
| | - Christopher J Barrett
- California NanoSystems Institute and Department of Chemistry & Biochemistry, University of California , Los Angeles, Los Angeles, California 90095, United States
- Department of Chemistry, McGill University , Montreal, QC, Canada
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30
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Kuthati Y, Kankala RK, Lin SX, Weng CF, Lee CH. pH-Triggered Controllable Release of Silver–Indole-3 Acetic Acid Complexes from Mesoporous Silica Nanoparticles (IBN-4) for Effectively Killing Malignant Bacteria. Mol Pharm 2015; 12:2289-304. [DOI: 10.1021/mp500836w] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Yaswanth Kuthati
- Department of Life Science
and Institute of Biotechnology, National Dong Hwa University, Hualien 974, Taiwan
| | - Ranjith Kumar Kankala
- Department of Life Science
and Institute of Biotechnology, National Dong Hwa University, Hualien 974, Taiwan
| | - Shi-Xiang Lin
- Department of Life Science
and Institute of Biotechnology, National Dong Hwa University, Hualien 974, Taiwan
| | - Ching-Feng Weng
- Department of Life Science
and Institute of Biotechnology, National Dong Hwa University, Hualien 974, Taiwan
| | - Chia-Hung Lee
- Department of Life Science
and Institute of Biotechnology, National Dong Hwa University, Hualien 974, Taiwan
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31
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Wang T, Wang M, Ding C, Fu J. Mono-benzimidazole functionalized β-cyclodextrins as supramolecular nanovalves for pH-triggered release of p-coumaric acid. Chem Commun (Camb) 2015; 50:12469-72. [PMID: 25196054 DOI: 10.1039/c4cc05677a] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The self-complexation of mono-benzimidazole functionalized β-cyclodextrins was investigated. The unique molecular structure employed as supramolecular nanovalves were installed on the external surface of mesoporous silica to assemble mechanized silica nanoparticles, which showed pH-triggered release property.
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Affiliation(s)
- Ting Wang
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, China.
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32
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Popat A, Jambhrunkar S, Zhang J, Yang J, Zhang H, Meka A, Yu C. Programmable drug release using bioresponsive mesoporous silica nanoparticles for site-specific oral drug delivery. Chem Commun (Camb) 2015; 50:5547-50. [PMID: 24603852 DOI: 10.1039/c4cc00620h] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Novel mesoporous silica nanoparticles (MSNs) responsive to multiple biological stimuli (pH and enzymes) were prepared through conjugation with a structure modified soy protein isolate. The particles show an extremely high pro-drug (sulfasalazine) loading with programmable drug release in simulated gastrointestinal fluid.
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Affiliation(s)
- Amirali Popat
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia.
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33
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Lin Z, Li J, He H, Kuang H, Chen X, Xie Z, Jing X, Huang Y. Acetalated-dextran as valves of mesoporous silica particles for pH responsive intracellular drug delivery. RSC Adv 2015. [DOI: 10.1039/c4ra15663c] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A pH-sensitive drug release system using acetalated-dextran as valves was designed to manipulate smart intracellular release of anticancer drugs.
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Affiliation(s)
- Zhe Lin
- Research and Development Center
- Changchun University of Chinese Medicine
- Changchun 130117
- P. R. China
| | - Jizhen Li
- Department of Organic Chemistry
- College of Chemistry
- Jilin University
- Changchun 130023
- P. R. China
| | - Hongyan He
- State Key Laboratory of Polymer Physics and Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Huihui Kuang
- State Key Laboratory of Polymer Physics and Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Xuesi Chen
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Zhigang Xie
- State Key Laboratory of Polymer Physics and Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Xiabin Jing
- State Key Laboratory of Polymer Physics and Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Yubin Huang
- State Key Laboratory of Polymer Physics and Chemistry
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
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34
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Wu S, Huang X, Du X. pH- and redox-triggered synergistic controlled release of a ZnO-gated hollow mesoporous silica drug delivery system. J Mater Chem B 2015; 3:1426-1432. [DOI: 10.1039/c4tb01794c] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Hollow mesoporous silica spheres gated with ZnO quantum dots via covalent linkages containing disulfide bonds were constructed for the controlled release of drugs in response to pH and disulfide reducing agents.
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Affiliation(s)
- Shanshan Wu
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education)
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210093
| | - Xuan Huang
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education)
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210093
| | - Xuezhong Du
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education)
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210093
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35
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Song N, Yang YW. Molecular and supramolecular switches on mesoporous silica nanoparticles. Chem Soc Rev 2015; 44:3474-504. [DOI: 10.1039/c5cs00243e] [Citation(s) in RCA: 369] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review summarizes the recent advances of molecular and supramolecular switches installed on mesoporous silica nanoparticles.
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Affiliation(s)
- Nan Song
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC)
- Jilin University
- Changchun 130012
| | - Ying-Wei Yang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC)
- Jilin University
- Changchun 130012
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36
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Zhou S, Sha H, Ke X, Liu B, Wang X, Du X. Combination drug release of smart cyclodextrin-gated mesoporous silica nanovehicles. Chem Commun (Camb) 2015; 51:7203-6. [DOI: 10.1039/c5cc00585j] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A smart γ-cyclodextrin-gated mesoporous silica delivery system with dual drug loading was constructed via dual dynamic covalent bonds in combination drug therapy.
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Affiliation(s)
- Shengwang Zhou
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education)
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210093
| | - Huizi Sha
- The Comprehensive Cancer Center of Drum-Tower Hospital
- Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University
- Nanjing 210008
- China
| | - Xiaokang Ke
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education)
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210093
| | - Baorui Liu
- The Comprehensive Cancer Center of Drum-Tower Hospital
- Medical School of Nanjing University & Clinical Cancer Institute of Nanjing University
- Nanjing 210008
- China
| | - Xizhang Wang
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education)
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210093
| | - Xuezhong Du
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education)
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210093
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37
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Biocompatible SiO 2in the Fabrication of Stimuli-Responsive Hybrid Composites and Their Application Potential. J CHEM-NY 2015. [DOI: 10.1155/2015/846328] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Organic/inorganic hybrid composite materials have been extensively studied as they combine the properties of inorganic material and organic polymer. Among the inorganic material biocompatible silica (SiO2) is an interesting candidate for application in biotechnology because such material is wide spread in nature as well as in medicine. During the last few decades, stimuli-responsive polymers are drawing much attention from the researchers for application versatility such as target-specific delivery of drug and corrosion inhibitors. Considering the biocompatibility and many such important properties as high cargo loading capacity, long blood circulation lifetime, enhanced permeability and retention, mechanical strength, and easy processability, combination of SiO2particles with stimuli-responsive polymers is gaining attention over the last decade. This review article will report the progress made towards the development and application of stimuli-responsive hybrid composites based on SiO2.
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38
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Huang X, Du X. Pillar[6]arene-valved mesoporous silica nanovehicles for multiresponsive controlled release. ACS APPLIED MATERIALS & INTERFACES 2014; 6:20430-20436. [PMID: 25336021 DOI: 10.1021/am506004q] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The synthesis and host-guest chemistry of pillararene (PA) derivatives are a hot research topic, and the applications of PAs in relevant research fields are essential to explore. Carboxylate-substituted pillar[6]arene (CPA[6])-valved mesoporous silica nanoparticles (MSNs) functionalized with dimethylbenzimidazolium (DMBI) and bipyridinium (BP) stalks were constructed, respectively, for multiresponsive controlled release. CPA[6] encircled the DMBI or BP stalks to develop supramolecular nanovalves for encapsulation of cargo within the MSN pores. The release of cargo was triggered by acidic pH or competitive binding for the dethreading of CPA[6] and the opening of the nanovalves; moreover, coordination chemistry is the first strategy to activate CPA nanovalves by metal chelating with the carboxylate groups of CPA for cargo release. The controlled release of the CPA[6]-valved MSN delivery systems can meet diverse requirements and has promising biological applications in targeted drug therapy.
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Affiliation(s)
- Xuan Huang
- Key Laboratory of Mesoscopic Chemistry (Ministry of Education), State Key Laboratory of Coordination Chemistry, and School of Chemistry and Chemical Engineering, Nanjing University , Nanjing, Jiangsu 210093, People's Republic of China
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39
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Mohapatra S, Rout SR, Narayan R, Maiti TK. Multifunctional mesoporous hollow silica nanocapsules for targeted co-delivery of cisplatin-pemetrexed and MR imaging. Dalton Trans 2014; 43:15841-50. [DOI: 10.1039/c4dt02144d] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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40
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Chen T, Yu H, Yang N, Wang M, Ding C, Fu J. Graphene quantum dot-capped mesoporous silica nanoparticles through an acid-cleavable acetal bond for intracellular drug delivery and imaging. J Mater Chem B 2014; 2:4979-4982. [DOI: 10.1039/c4tb00849a] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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41
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Sun YL, Zhou Y, Li QL, Yang YW. Enzyme-responsive supramolecular nanovalves crafted by mesoporous silica nanoparticles and choline-sulfonatocalix[4]arene [2]pseudorotaxanes for controlled cargo release. Chem Commun (Camb) 2014; 49:9033-5. [PMID: 23982479 DOI: 10.1039/c3cc45216f] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Mesoporous silica nanoparticles (MSNs) have been surface-functionalized with choline moieties encircled by sulfonatocalix[4]arenes. Two enzyme cleavable sites are incorporated in the stalks for specific enzymes to regulate the release of loaded cargos from MSNs. These gated materials show a clear enzymatic response and proven orthogonality.
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Affiliation(s)
- Yu-Long Sun
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun, P. R. China.
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42
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Zhou Y, Tan LL, Li QL, Qiu XL, Qi AD, Tao Y, Yang YW. Acetylcholine-Triggered Cargo Release from Supramolecular Nanovalves Based on Different Macrocyclic Receptors. Chemistry 2014; 20:2998-3004. [DOI: 10.1002/chem.201304864] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Indexed: 12/23/2022]
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43
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Well-dispersed hollow silica microspheres synthesis with silica sol as precursor by template method. J Mol Struct 2014. [DOI: 10.1016/j.molstruc.2013.11.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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44
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Wang M, Chen T, Ding C, Fu J. Mechanized silica nanoparticles based on reversible bistable [2]pseudorotaxanes as supramolecular nanovalves for multistage pH-controlled release. Chem Commun (Camb) 2014; 50:5068-71. [DOI: 10.1039/c4cc01442a] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Mechanized silica nanoparticles installed with the reversible bistable [2]pseudorotaxanes achieve multistage pH-controlled release of cargoes.
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Affiliation(s)
- MingDong Wang
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing, China
| | - Tao Chen
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing, China
| | - ChenDi Ding
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing, China
| | - JiaJun Fu
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing, China
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45
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Fu J, Chen T, Wang M, Yang N, Li S, Wang Y, Liu X. Acid and alkaline dual stimuli-responsive mechanized hollow mesoporous silica nanoparticles as smart nanocontainers for intelligent anticorrosion coatings. ACS NANO 2013; 7:11397-11408. [PMID: 24261631 DOI: 10.1021/nn4053233] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The present paper introduces an intelligent anticorrosion coating, based on the mechanized hollow mesoporous silica nanoparticles (HMSs) as smart nanocontainers implanted into the self-assembled nanophase particles (SNAP) coating. As the key component, smart nanocontainers assembled by installing supramolecular nanovalves in the form of the bistable pseudorotaxanes on the external surface of HMSs realize pH-responsive controlled release for corrosion inhibitor, caffeine molecules. The smart nanocontainers encapsulate caffeine molecules at neutral pH, and release the molecules either under acidic or alkaline conditions, which make them spontaneously experience the pH excursions arisen from corrosion process and respond quickly. The intelligent anticorrosion coating was deposited on the surface of aluminum alloy AA2024 and investigated by electrochemical impedance spectroscopy and scanning vibrating electrode technique (SVET). Compared with the pure SNAP coating, the well-dispersed smart nanocontainers not only delay the penetration rate of corrosive species but also repair damaged aluminum oxide layer to maintain the long term anticorrosion behavior. From the experimental results of SVET, the smart nanocontainers with the acid and alkaline dual stimuli-responsive characteristics can simultaneously suppress corrosion activities on microanodic and microcathodic regions, demonstrating an excellent self-healing functionality.
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Affiliation(s)
- JiaJun Fu
- School of Chemical Engineering, Nanjing University of Science and Technology , Nanjing 210094, China
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