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Lai A, Macdonald PM. Phospholipid lateral diffusion in the presence of cationic peptides as measured via 31P CODEX NMR. Biophys Chem 2023; 295:106964. [PMID: 36764129 DOI: 10.1016/j.bpc.2023.106964] [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: 12/13/2022] [Revised: 01/27/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023]
Abstract
The effects of two cationic peptides on phospholipid lateral diffusion in binary mixtures of POPC with various anionic phospholipids were measured via 31P CODEX NMR. Large unilamellar vesicles composed of POPC/POPG (70/30 mol/mol), or POPC/DOPS (70/30 mol/mol), or POPC/TOCL (85/15 mol/mol), or POPC/DOPA (50/50 mol/mol) were exposed to either polylysine (pLYS, N = 134 monomers) or KL-14 (KKLL KKAKK LLKKL), a model amphipathic helical peptide, in an amount corresponding to 80% neutralization of the anionic phospholipid charge by the cationic lysine residues. In the absence of added peptide, phospholipid lateral diffusion coefficients (all measured at 10 °C) increased with increasing reduced temperature (T-Tm). The POPC/DOPA mixture was an exception to this generalization, in that lateral diffusion for both components was far slower than any other mixture investigated, an effect attributed to intermolecular hydrogen bonding. The addition of pLYS or KL-14 decreased lateral diffusion in the POPC/DOPS LUV, but had minimal effects in the POPC/POPG LUV, indicating that ease of access of the cationic peptide residues to the anionic phospholipid groups was important. Both cationic peptides produced the opposite effect in the POPC/DOPA case, in that lateral diffusion increased significantly in their presence, with KL-14 being most effective. This latter observation was interpreted in terms of the electrostatic / H-bond model proposed by Kooijman et al. [Journal of Biological Chemistry, 282:11356-11,364, 2007] to describe the mechanism of interaction between the phosphomonoester head group of PA and the tertiary amine of lysine.
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Affiliation(s)
- Angel Lai
- Department of Chemistry, University of Toronto, Canada; Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road North, Mississauga, Ontario L5L 1C6, Canada
| | - Peter M Macdonald
- Department of Chemistry, University of Toronto, Canada; Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road North, Mississauga, Ontario L5L 1C6, Canada.
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2
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Paclitaxel-Loaded Lipid-Coated Magnetic Nanoparticles for Dual Chemo-Magnetic Hyperthermia Therapy of Melanoma. Pharmaceutics 2023; 15:pharmaceutics15030818. [PMID: 36986678 PMCID: PMC10055620 DOI: 10.3390/pharmaceutics15030818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/17/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023] Open
Abstract
Melanoma is the most aggressive and metastasis-prone form of skin cancer. Conventional therapies include chemotherapeutic agents, either as small molecules or carried by FDA-approved nanostructures. However, systemic toxicity and side effects still remain as major drawbacks. With the advancement of nanomedicine, new delivery strategies emerge at a regular pace, aiming to overcome these challenges. Stimulus-responsive drug delivery systems might considerably reduce systemic toxicity and side-effects by limiting drug release to the affected area. Herein, we report the development of paclitaxel-loaded lipid-coated manganese ferrite magnetic nanoparticles (PTX-LMNP) as magnetosomes synthetic analogs, envisaging the combined chemo-magnetic hyperthermia treatment of melanoma. PTX-LMNP physicochemical properties were verified, including their shape, size, crystallinity, FTIR spectrum, magnetization profile, and temperature profile under magnetic hyperthermia (MHT). Their diffusion in porcine ear skin (a model for human skin) was investigated after intradermal administration via fluorescence microscopy. Cumulative PTX release kinetics under different temperatures, either preceded or not by MHT, were assessed. Intrinsic cytotoxicity against B16F10 cells was determined via neutral red uptake assay after 48 h of incubation (long-term assay), as well as B16F10 cells viability after 1 h of incubation (short-term assay), followed by MHT. PTX-LMNP-mediated MHT triggers PTX release, allowing its thermal-modulated local delivery to diseased sites, within short timeframes. Moreover, half-maximal PTX inhibitory concentration (IC50) could be significantly reduced relatively to free PTX (142,500×) and Taxol® (340×). Therefore, the dual chemo-MHT therapy mediated by intratumorally injected PTX-LMNP stands out as a promising alternative to efficiently deliver PTX to melanoma cells, consequently reducing systemic side effects commonly associated with conventional chemotherapies.
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3
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Verkhovskii R, Ermakov A, Grishin O, Makarkin MA, Kozhevnikov I, Makhortov M, Kozlova A, Salem S, Tuchin V, Bratashov D. The Influence of Magnetic Composite Capsule Structure and Size on Their Trapping Efficiency in the Flow. Molecules 2022; 27:6073. [PMID: 36144805 PMCID: PMC9501256 DOI: 10.3390/molecules27186073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/10/2022] [Accepted: 09/13/2022] [Indexed: 11/25/2022] Open
Abstract
A promising approach to targeted drug delivery is the remote control of magnetically sensitive objects using an external magnetic field source. This method can assist in the accumulation of magnetic carriers in the affected area for local drug delivery, thus providing magnetic nanoparticles for MRI contrast and magnetic hyperthermia, as well as the magnetic separation of objects of interest from the bloodstream and liquid biopsy samples. The possibility of magnetic objects' capture in the flow is determined by the ratio of the magnetic field strength and the force of viscous resistance. Thus, the capturing ability is limited by the objects' magnetic properties, size, and flow rate. Despite the importance of a thorough investigation of this process to prove the concept of magnetically controlled drug delivery, it has not been sufficiently investigated. Here, we studied the efficiency of polyelectrolyte capsules' capture by the external magnetic field source depending on their size, the magnetic nanoparticle payload, and the suspension's flow rate. Additionally, we estimated the possibility of magnetically trapping cells containing magnetic capsules in flow and evaluated cells' membrane integrity after that. These results are required to prove the possibility of the magnetically controlled delivery of the encapsulated medicine to the affected area with its subsequent retention, as well as the capability to capture magnetically labeled cells in flow.
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Affiliation(s)
- Roman Verkhovskii
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
| | - Alexey Ermakov
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
- Institute of Molecular Theranostics, I. M. Sechenov First Moscow State Medical University, 8 Trubetskaya Str., 119991 Moscow, Russia
| | - Oleg Grishin
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
| | - Mikhail A. Makarkin
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
| | - Ilya Kozhevnikov
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
| | - Mikhail Makhortov
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
| | - Anastasiia Kozlova
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
| | - Samia Salem
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
- Department of Physics, Faculty of Science, Benha University, Benha 13511, Egypt
| | - Valery Tuchin
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
- Laboratory of Laser Molecular Imaging and Machine Learning, Tomsk State University, 36 Lenin’s Ave., 634050 Tomsk, Russia
- Institute of Precision Mechanics and Control, FRC “Saratov Scientific Centre of the Russian Academy of Sciences”, 24 Rabochaya Str., 410028 Saratov, Russia
- Bach Institute of Biochemistry, FRC “Fundamentals of Biotechnology of the Russian Academy of Sciences”, 119071 Moscow, Russia
| | - Daniil Bratashov
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (A.E.); (O.G.); (M.A.M.); (I.K.); (M.M.); (A.K.); (S.S.); (V.T.); (D.B.)
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4
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Stimuli-responsive polyelectrolyte multilayer films and microcapsules. Adv Colloid Interface Sci 2022; 310:102773. [DOI: 10.1016/j.cis.2022.102773] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 08/20/2022] [Accepted: 09/05/2022] [Indexed: 12/28/2022]
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Nanoparticles in Polyelectrolyte Multilayer Layer-by-Layer (LbL) Films and Capsules—Key Enabling Components of Hybrid Coatings. COATINGS 2020. [DOI: 10.3390/coatings10111131] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Originally regarded as auxiliary additives, nanoparticles have become important constituents of polyelectrolyte multilayers. They represent the key components to enhance mechanical properties, enable activation by laser light or ultrasound, construct anisotropic and multicompartment structures, and facilitate the development of novel sensors and movable particles. Here, we discuss an increasingly important role of inorganic nanoparticles in the layer-by-layer assembly—effectively leading to the construction of the so-called hybrid coatings. The principles of assembly are discussed together with the properties of nanoparticles and layer-by-layer polymeric assembly essential in building hybrid coatings. Applications and emerging trends in development of such novel materials are also identified.
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6
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Abstract
Controlled drug delivery formulations have revolutionized treatments for a range of health conditions. Over decades of innovation, layer-by-layer (LbL) self-assembly has emerged as one of the most versatile fabrication methods used to develop multifunctional controlled drug release coatings. The numerous advantages of LbL include its ability to incorporate and preserve biological activity of therapeutic agents; coat multiple substrates of all scales (e.g., nanoparticles to implants); and exhibit tuned, targeted, and/or responsive drug release behavior. The functional behavior of LbL films can be related to their physicochemical properties. In this review, we highlight recent advances in the development of LbL-engineered biomaterials for drug delivery, demonstrating their potential in the fields of cancer therapy, microbial infection prevention and treatment, and directing cellular responses. We discuss the various advantages of LbL biomaterial design for a given application as demonstrated through in vitro and in vivo studies.
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Affiliation(s)
- Dahlia Alkekhia
- School of Engineering and Center for Biomedical Engineering, Brown University, Providence, Rhode Island 02912, USA
| | - Paula T. Hammond
- Koch Institute for Integrative Cancer Research and Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Anita Shukla
- School of Engineering and Center for Biomedical Engineering, Brown University, Providence, Rhode Island 02912, USA
- Institute for Molecular and Nanoscale Innovation, Brown University, Providence, Rhode Island 02912, USA
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7
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Bielas R, Surdeko D, Kaczmarek K, Józefczak A. The potential of magnetic heating for fabricating Pickering-emulsion-based capsules. Colloids Surf B Biointerfaces 2020; 192:111070. [PMID: 32361373 DOI: 10.1016/j.colsurfb.2020.111070] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 04/17/2020] [Accepted: 04/20/2020] [Indexed: 11/22/2022]
Abstract
Pickering emulsions (particle-stabilized emulsions) have been widely explored due to their potential applications, one of which is using them as precursors for the formation of colloidal capsules that could be utilized in, among others, the pharmacy and food industries. Here, we present a novel approach to fabricating such colloidal capsules by using heating in the alternating magnetic field. When exposed to the alternating magnetic field, magnetic particles, owing to the hysteresis and/or relaxation losses, become sources of nano- and micro-heating that can significantly increase the temperature of the colloidal system. This temperature rise was evaluated in oil-in-oil Pickering emulsions stabilized by both magnetite and polystyrene particles. When a sample reached high enough temperature, particle fusion caused by glass transition of polystyrene was observed on surfaces of colloidal droplets. Oil droplets covered with shells of fused polystyrene particles were proved to be less susceptible to external stress, which can be evidence of the successful formation of capsules from Pickering emulsion droplets as templates.
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Affiliation(s)
- Rafał Bielas
- Department of Acoustics, Faculty of Physics, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 2, 61-614 Poznań, Poland
| | - Dawid Surdeko
- Department of Acoustics, Faculty of Physics, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 2, 61-614 Poznań, Poland; Faculty of Science and Technology, University of Twente, P.O. BOX 217, 7500 AE Enschede, The Netherlands
| | - Katarzyna Kaczmarek
- Department of Acoustics, Faculty of Physics, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 2, 61-614 Poznań, Poland
| | - Arkadiusz Józefczak
- Department of Acoustics, Faculty of Physics, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 2, 61-614 Poznań, Poland.
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8
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Sharma V, Sundaramurthy A. Multilayer capsules made of weak polyelectrolytes: a review on the preparation, functionalization and applications in drug delivery. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:508-532. [PMID: 32274289 PMCID: PMC7113543 DOI: 10.3762/bjnano.11.41] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 02/25/2020] [Indexed: 06/11/2023]
Abstract
Multilayer capsules have been of great interest for scientists and medical communities in multidisciplinary fields of research, such as drug delivery, sensing, biomedicine, theranostics and gene therapy. The most essential attributes of a drug delivery system are considered to be multi-functionality and stimuli responsiveness against a range of external and internal stimuli. Apart from the highly explored strong polyelectrolytes, weak polyelectrolytes offer great versatility with a highly controllable architecture, unique stimuli responsiveness and easy tuning of the properties for intracellular delivery of cargo. This review describes the progress in the preparation, functionalization and applications of capsules made of weak polyelectrolytes or their combination with biopolymers. The selection of a sacrificial template for capsule formation, the driving forces involved, the encapsulation of a variety of cargo and release based on different internal and external stimuli have also been addressed. We describe recent perspectives and obstacles of weak polyelectrolyte/biopolymer systems in applications such as therapeutics, biosensing, bioimaging, bioreactors, vaccination, tissue engineering and gene delivery. This review gives an emerging outlook on the advantages and unique responsiveness of weak polyelectrolyte based systems that can enable their widespread use in potential applications.
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Affiliation(s)
- Varsha Sharma
- Department of Biomedical Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Anandhakumar Sundaramurthy
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
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9
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Kalaycioglu GD, Aydogan N. Layer-by-layer coated microcapsules with lipid nanodomains for dual-drug delivery. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124037] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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10
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Trushina DB, Burova AS, Borodina TN, Soldatov MA, Klochko TY, Bukreeva TV. Thermo-Induced Shrinking of “Dextran Sulfate/Polyarginine” Capsules with Magnetic Nanoparticles in the Shell. COLLOID JOURNAL 2019. [DOI: 10.1134/s1061933x18060182] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Zhu D, Roy S, Liu Z, Weller H, Parak WJ, Feliu N. Remotely controlled opening of delivery vehicles and release of cargo by external triggers. Adv Drug Deliv Rev 2019; 138:117-132. [PMID: 30315833 DOI: 10.1016/j.addr.2018.10.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/23/2018] [Accepted: 10/08/2018] [Indexed: 01/11/2023]
Abstract
Tremendous efforts have been devoted to the development of future nanomedicines that can be specifically designed to incorporate responsive elements that undergo modification in structural properties upon external triggers. One potential use of such stimuli-responsive materials is to release encapsulated cargo upon excitation by an external trigger. Today, such stimuli-response materials allow for spatial and temporal tunability, which enables the controlled delivery of compounds in a specific and dose-dependent manner. This potentially is of great interest for medicine (e.g. allowing for remotely controlled drug delivery to cells, etc.). Among the different external exogenous and endogenous stimuli used to control the desired release, light and magnetic fields offer interesting possibilities, allowing defined, real time control of intracellular releases. In this review we highlight the use of stimuli-responsive controlled release systems that are able to respond to light and magnetic field triggers for controlling the release of encapsulated cargo inside cells. We discuss established approaches and technologies and describe prominent examples. Special attention is devoted towards polymer capsules and polymer vesicles as containers for encapsulated cargo molecules. The advantages and disadvantages of this methodology in both, in vitro and in vivo models are discussed. An overview of challenges associate with the successful translation of those stimuli-responsive materials towards future applications in the direction of potential clinical use is given.
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Affiliation(s)
- Dingcheng Zhu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany
| | - Sathi Roy
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany
| | - Ziyao Liu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany
| | - Horst Weller
- Fachbereich Chemie, Universität Hamburg, Hamburg, Germany
| | - Wolfgang J Parak
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany; Fachbereich Chemie, Universität Hamburg, Hamburg, Germany
| | - Neus Feliu
- Fachbereich Physik, CHyN, Universität Hamburg, Hamburg, Germany; Experimental Cancer Medicine, Department of Laboratory Medicine (LABMED), Karolinska Institutet, Stockholm, Sweden.
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12
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Zangabad PS, Mirkiani S, Shahsavari S, Masoudi B, Masroor M, Hamed H, Jafari Z, Taghipour YD, Hashemi H, Karimi M, Hamblin MR. Stimulus-responsive liposomes as smart nanoplatforms for drug delivery applications. NANOTECHNOLOGY REVIEWS 2018; 7:95-122. [PMID: 29404233 PMCID: PMC5796673 DOI: 10.1515/ntrev-2017-0154] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Liposomes are known to be promising nanoparticles (NPs) for drug delivery applications. Among different types of self-assembled NPs, liposomes stand out for their non-toxic nature, and their possession of dual hydrophilic-hydrophobic domains. Advantages of liposomes include the ability to solubilize hydrophobic drugs, the ability to incorporate different hydrophilic and lipophilic drugs at the same time, lessening the exposure of host organs to potentially toxic drugs and allowing modification of the surface by a variety of different chemical groups. This modification of the surface, or of the individual constituents, may be used to achieve two important goals. Firstly, ligands for active targeting can be attached that are recognized by cognate receptors over-expressed on the target cells of tissues. Secondly, modification can be used to impart a stimulus-responsive or "smart" character to the liposomes, whereby the cargo is released on demand only when certain internal stimuli (pH, reducing agents, specific enzymes) or external stimuli (light, magnetic field or ultrasound) are present. Here, we review the field of smart liposomes for drug delivery applications.
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Affiliation(s)
- Parham Sahandi Zangabad
- Research Center for Pharmaceutical Nanotechnology (RCPN), Tabriz University of Medical Science (TUOMS), Tabriz, Iran
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
- Bio-Nano Interfaces: Convergence of Sciences (BNICS), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
- Nanomedicine Research Association (NRA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Soroush Mirkiani
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
- Bioceramics and Implants Laboratory, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 1439955941, Iran
| | - Shayan Shahsavari
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
- Nanoclub Elites Association, Iran Nanotechnology Initiative Council Tehran, Iran
- Mataab Company, Biotechnology Incubator, Production and Research Complex, Pasteur Institute of Iran, Karaj, Iran
| | - Behrad Masoudi
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Maryam Masroor
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
- School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Hamid Hamed
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
- Petroleum and Chemical Engineering Department – Sharif University of Technology – Tehran – Iran
| | - Zahra Jafari
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
- Department of Food Science and Technology, College of Agriculture and Food Science, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran
| | - Yasamin Davatgaran Taghipour
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
- Department of medical nanotechnology, school of advanced technologies in medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hura Hashemi
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran
- Faculty of Pharmacy, Tehran University of Medical Sciences, P. O. Box 14155-6451, Tehran, Iran
| | - Mahdi Karimi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
- Research Center for Science and Technology in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, USA
| | - Michael R. Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, USA
- Department of Dermatology, Harvard Medical School, Boston, USA
- Harvard-MIT Division of Health Sciences and Technology, Cambridge, USA
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13
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An Improved Method for Magnetic Nanocarrier Drug Delivery across the Cell Membrane. SENSORS 2018; 18:s18020381. [PMID: 29382116 PMCID: PMC5856133 DOI: 10.3390/s18020381] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 12/02/2017] [Accepted: 12/07/2017] [Indexed: 11/24/2022]
Abstract
One of the crucial issues in the pharmacological field is developing new drug delivery systems. The main concern is to develop new methods for improving the drug delivery efficiencies such as low disruptions, precise control of the target of delivery and drug sustainability. Nowadays, there are many various methods for drug delivery systems. Carbon-based nanocarriers are a new efficient tool for translocating drug into the defined area or cells inside the body. These nanocarriers can be functionalized with proteins, peptides and used to transport their freight to cells or defined areas. Since functionalized carbon-based nanocarriers show low toxicity and high biocompatibility, they are used in many nanobiotechnology fields. In this study, different shapes of nanocarrier are investigated, and the suitable magnetic field, which is applied using MRI for the delivery of the nanocarrier, is proposed. In this research, based on the force required to cross the membrane and MD simulations, the optimal magnetic field profile is designed. This optimal magnetic force field is derived from the mathematical model of the system and magnetic particle dynamics inside the nanocarrier. The results of this paper illustrate the effects of the nanocarrier’s shapes on the percentage of success in crossing the membrane and the optimal required magnetic field.
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14
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Vafaei S, Tabaei SR, Cho NJ. Optimizing the Performance of Supported Lipid Bilayers as Cell Culture Platforms Based on Extracellular Matrix Functionalization. ACS OMEGA 2017; 2:2395-2404. [PMID: 30023663 PMCID: PMC6044817 DOI: 10.1021/acsomega.7b00158] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Accepted: 03/22/2017] [Indexed: 06/01/2023]
Abstract
Strategies to fabricate biofunctionalized surfaces are essential for many biotechnological applications. Zwitterionic lipid bilayer coatings doped with lipids with chemically selective headgroups provide a robust platform for immobilization of biomolecules in an antifouling, protein resistant background. Herein, we assess the biological activity of two important components of the extracellular matrix (ECM), collagen type I (Col I) and fibronectin (FN), which are covalently attached to a supported lipid bilayer (SLB), and compare their activity with the same proteins, nonspecifically adsorbed onto a SiO2 surface. The characterization of protein coatings by quartz crystal microbalance with dissipation revealed that Col I and FN attached to SLB are less dense and have higher structural flexibility than when adsorbed onto SiO2. Cell adhesion, proliferation, and function, as well as Col I-FN interactions, were more efficient on the ECM-functionalized SLB, making it a promising platform for cell-based diagnostics, tissue engineering, medical implants, and biosensor development.
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Affiliation(s)
- Setareh Vafaei
- School
of Materials Science and Engineering, Nanyang
Technological University, 50 Nanyang Avenue, 639798 Singapore
- Centre
for Biomimetic Sensor Science, Nanyang Technological
University, 50 Nanyang Drive, 637553 Singapore
| | - Seyed R. Tabaei
- School
of Materials Science and Engineering, Nanyang
Technological University, 50 Nanyang Avenue, 639798 Singapore
- Centre
for Biomimetic Sensor Science, Nanyang Technological
University, 50 Nanyang Drive, 637553 Singapore
| | - Nam-Joon Cho
- School
of Materials Science and Engineering, Nanyang
Technological University, 50 Nanyang Avenue, 639798 Singapore
- Centre
for Biomimetic Sensor Science, Nanyang Technological
University, 50 Nanyang Drive, 637553 Singapore
- School
of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, 637459 Singapore
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15
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Voronin DV, Sindeeva OA, Kurochkin MA, Mayorova O, Fedosov IV, Semyachkina-Glushkovskaya O, Gorin DA, Tuchin VV, Sukhorukov GB. In Vitro and in Vivo Visualization and Trapping of Fluorescent Magnetic Microcapsules in a Bloodstream. ACS APPLIED MATERIALS & INTERFACES 2017; 9:6885-6893. [PMID: 28186726 DOI: 10.1021/acsami.6b15811] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Remote navigation and targeted delivery of biologically active compounds is one of the current challenges in the development of drug delivery systems. Modern methods of micro- and nanofabrication give us new opportunities to produce particles and capsules bearing cargo to deploy and possess magnetic properties to be externally navigated. In this work we explore multilayer composite magnetic microcapsules as targeted delivery systems in vitro and in vivo studies under natural conditions of living organism. Herein, we demonstrate magnetic addressing of fluorescent composite microcapsules with embedded magnetite nanoparticles in blood flow environment. First, the visualization and capture of the capsules at the defined blood flow by the magnetic field are shown in vitro in an artificial glass capillary employing a wide-field fluorescence microscope. Afterward, the capsules are visualized and successfully trapped in vivo into externally exposed rat mesentery microvessels. Histological analysis shows that capsules infiltrate small mesenteric vessels whereas large vessels preserve the blood microcirculation. The effect of the magnetic field on capsule preferential localization in bifurcation areas of vasculature, including capsule retention at the site once external magnet is switched off is discussed. The research outcome demonstrates that microcapsules can be effectively addressed in a blood flow, which makes them a promising delivery system with remote navigation by the magnetic field.
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Affiliation(s)
| | | | | | | | | | | | | | - Valery V Tuchin
- Interdisciplinary Laboratory of Biophotonics, National Research Tomsk State University , Tomsk 634050, Russia
- Laboratory of Laser Diagnostics of Technical and Living Systems, Precision Mechanics and Control Institute of the Russian Academy of Sciences , Saratov 410028, Russia
| | - Gleb B Sukhorukov
- School of Engineering and Materials Science, Queen Mary University of London , Mile End Road, London E1 4NS, United Kingdom
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16
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Mertz D, Sandre O, Bégin-Colin S. Drug releasing nanoplatforms activated by alternating magnetic fields. Biochim Biophys Acta Gen Subj 2017; 1861:1617-1641. [PMID: 28238734 DOI: 10.1016/j.bbagen.2017.02.025] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 02/17/2017] [Accepted: 02/20/2017] [Indexed: 02/05/2023]
Abstract
The use of an alternating magnetic field (AMF) to generate non-invasively and spatially a localized heating from a magnetic nano-mediator has become very popular these last years to develop magnetic hyperthermia (MH) as a promising therapeutic modality already used in the clinics. AMF has become highly attractive this last decade over others radiations, as AMF allows a deeper penetration in the body and a less harmful ionizing effect. In addition to pure MH which induces tumor cell death through local T elevation, this AMF-generated magneto-thermal effect can also be exploited as a relevant external stimulus to trigger a drug release from drug-loaded magnetic nanocarriers, temporally and spatially. This review article is focused especially on this concept of AMF induced drug release, possibly combined with MH. The design of such magnetically responsive drug delivery nanoplatforms requires two key and complementary components: a magnetic mediator which collects and turns the magnetic energy into local heat, and a thermoresponsive carrier ensuring thermo-induced drug release, as a consequence of magnetic stimulus. A wide panel of magnetic nanomaterials/chemistries and processes are currently developed to achieve such nanoplatforms. This review article presents a broad overview about the fundamental concepts of drug releasing nanoplatforms activated by AMF, their formulations, and their efficiency in vitro and in vivo. This article is part of a Special Issue entitled "Recent Advances in Bionanomaterials" Guest Editors: Dr. Marie-Louise Saboungi and Dr. Samuel D. Bader.
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Affiliation(s)
- Damien Mertz
- Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23, rue du Loess, 67034 Strasbourg, France.
| | - Olivier Sandre
- Laboratoire de Chimie des Polymères Organiques (LCPO), CNRS UMR 5629, Université de Bordeaux, Bordeaux-INP, Pessac 33607, Cedex, France
| | - Sylvie Bégin-Colin
- Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504 CNRS, Université de Strasbourg, 23, rue du Loess, 67034 Strasbourg, France
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17
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Timin AS, Muslimov AR, Lepik KV, Saprykina NN, Sergeev VS, Afanasyev BV, Vilesov AD, Sukhorukov GB. Triple-responsive inorganic–organic hybrid microcapsules as a biocompatible smart platform for the delivery of small molecules. J Mater Chem B 2016; 4:7270-7282. [DOI: 10.1039/c6tb02289h] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We designed novel hybrid inorganic/organic capsules with unique physicochemical features enabling multimodal triggering.
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Affiliation(s)
| | - Albert R. Muslimov
- First I. P. Pavlov State Medical University of St. Petersburg
- Lev Tolstoy str
- 6/8
- Saint-Petersburg
- Russian Federation
| | - Kirill V. Lepik
- First I. P. Pavlov State Medical University of St. Petersburg
- Lev Tolstoy str
- 6/8
- Saint-Petersburg
- Russian Federation
| | - Natalia N. Saprykina
- Institution of Russian Academy of Sciences Institute of Macromolecular Compounds Russian Academy of Sciences (IMC RAS)
- Bolshoy Prosp
- 31
- Saint-Petersburg
- Russian Federation
| | - Vladislav S. Sergeev
- First I. P. Pavlov State Medical University of St. Petersburg
- Lev Tolstoy str
- 6/8
- Saint-Petersburg
- Russian Federation
| | - Boris V. Afanasyev
- First I. P. Pavlov State Medical University of St. Petersburg
- Lev Tolstoy str
- 6/8
- Saint-Petersburg
- Russian Federation
| | - Alexander D. Vilesov
- Institution of Russian Academy of Sciences Institute of Macromolecular Compounds Russian Academy of Sciences (IMC RAS)
- Bolshoy Prosp
- 31
- Saint-Petersburg
- Russian Federation
| | - Gleb B. Sukhorukov
- RASA Center in Tomsk
- Tomsk Polytechnic University
- Tomsk
- Russian Federation
- RASA Center in St. Petersburg
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18
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Pandya SR, Singh M. Preparation and characterization of magnetic nanoparticles and their impact on anticancer drug binding and release processes moderated through a 1sttier dendrimer. RSC Adv 2016. [DOI: 10.1039/c6ra02139e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
MNPs show superparamagnetic character which moderates the structural ability of TTDMM to bind silibinin (SB) and methotrexate (MTX) anticancer drugs for their potential use in drug delivery systems.
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Affiliation(s)
- Shivani R. Pandya
- Centre for Nanosciences
- Central University of Gujarat
- Gandhinagar
- India
| | - Man Singh
- Centre for Nanosciences
- Central University of Gujarat
- Gandhinagar
- India
- School of Chemical Sciences
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19
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Controlled Synthesis and Surface Modification of Magnetic Nanoparticles with High Performance for Cancer Theranostics Combining Targeted MR Imaging and Hyperthermia. ADVANCES IN NANOTHERANOSTICS II 2016. [DOI: 10.1007/978-981-10-0063-8_2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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20
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Craig M, Altskär A, Nordstierna L, Holmberg K. Bacteria-triggered degradation of nanofilm shells for release of antimicrobial agents. J Mater Chem B 2015; 4:672-682. [PMID: 32262949 DOI: 10.1039/c5tb01274k] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Due to an increase in lifestyle diseases in the developed world, the number of chronic wounds is increasing at a fast pace. Chronic wound infections are common and systemic antibiotics are usually used as a treatment. In this paper we describe an approach to encapsulate antimicrobial agents in hollow microcapsules covered with a nanofilm shell that degrades through the action of a virulence factor from Pseudomonas aeruginosa. The shell was assembled using the layer-by-layer (LbL) technique with poly-l-lysine and hyaluronic acid. The microcapsules were loaded with a model substrate or a drug. By crosslinking the components in the nanofilm, the film remained intact when exposed to human wound proteases. However, the film was degraded and the drug exposed when in contact with Pseudomonas aeruginosa's Lys-X specific protease IV. The antimicrobial efficacy of the drug-loaded microcapsules was confirmed by exposure to virulent Pseudomonas aeruginosa. The current study contributes to the establishment of a release platform for targeted treatment of topical infections with the aim of minimizing both overexposure to drugs and development of bacterial resistance.
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Affiliation(s)
- Marina Craig
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-41296, Gothenburg, Sweden.
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21
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Hauser AK, Wydra RJ, Stocke NA, Anderson KW, Hilt JZ. Magnetic nanoparticles and nanocomposites for remote controlled therapies. J Control Release 2015; 219:76-94. [PMID: 26407670 PMCID: PMC4669063 DOI: 10.1016/j.jconrel.2015.09.039] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Accepted: 09/19/2015] [Indexed: 12/17/2022]
Abstract
This review highlights the state-of-the-art in the application of magnetic nanoparticles (MNPs) and their composites for remote controlled therapies. Novel macro- to nano-scale systems that utilize remote controlled drug release due to actuation of MNPs by static or alternating magnetic fields and magnetic field guidance of MNPs for drug delivery applications are summarized. Recent advances in controlled energy release for thermal therapy and nanoscale energy therapy are addressed as well. Additionally, studies that utilize MNP-based thermal therapy in combination with other treatments such as chemotherapy or radiation to enhance the efficacy of the conventional treatment are discussed.
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Affiliation(s)
- Anastasia K Hauser
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA
| | - Robert J Wydra
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA
| | - Nathanael A Stocke
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA
| | - Kimberly W Anderson
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA
| | - J Zach Hilt
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY 40506, USA.
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22
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Yao T, Zuo Q, Wang H, Wu J, Xin B, Cui F, Cui T. A simple way to prepare Pd/Fe 3 O 4 /polypyrrole hollow capsules and their applications in catalysis. J Colloid Interface Sci 2015; 450:366-373. [DOI: 10.1016/j.jcis.2015.03.012] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Accepted: 03/06/2015] [Indexed: 11/29/2022]
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23
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24
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Liu P, Li X. Layer-by-Layer Engineered Superparamagnetic Polyelectrolyte Hybrid Hollow Microspheres With High Magnetic Content as Drug Delivery System. INT J POLYM MATER PO 2015. [DOI: 10.1080/00914037.2015.1030656] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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25
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Mfuh AM, Mahindaratne MPD, Yñigez-Gutierrez AE, Ramos Dominguez JR, Bedell JT, Garcia CD, Negrete GR. Acid-responsive nanospheres from an asparagine-derived amphiphile. RSC Adv 2015; 5:8585-8590. [PMID: 25914807 PMCID: PMC4407701 DOI: 10.1039/c4ra11884g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We describe the synthesis and self-assembly of an asparagine-derived amphiphile. The self-assembled systems formulated with the inclusion of cholesterol (0-50 mol%) show encapsulation for a hydrophobic model drug and rapidly disintegrate in response to mild acidic conditions.
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Affiliation(s)
- Adelphe M. Mfuh
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249-1644, USA
| | | | - Audrey E. Yñigez-Gutierrez
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249-1644, USA
| | - Juan R. Ramos Dominguez
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249-1644, USA
| | - Jefferson T. Bedell
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249-1644, USA
| | - Carlos D. Garcia
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249-1644, USA
| | - George R. Negrete
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249-1644, USA
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26
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Monge C, Almodóvar J, Boudou T, Picart C. Spatio-Temporal Control of LbL Films for Biomedical Applications: From 2D to 3D. Adv Healthc Mater 2015; 4:811-30. [PMID: 25627563 PMCID: PMC4540079 DOI: 10.1002/adhm.201400715] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 12/19/2014] [Indexed: 12/15/2022]
Abstract
Introduced in the '90s by Prof. Moehwald, Lvov, and Decher, the layer-by-layer (LbL) assembly of polyelectrolytes has become a popular technique to engineer various types of objects such as films, capsules and free standing membranes, with an unprecedented control at the nanometer and micrometer scales. The LbL technique allows to engineer biofunctional surface coatings, which may be dedicated to biomedical applications in vivo but also to fundamental studies and diagnosis in vitro. Initially mostly developed as 2D coatings and hollow capsules, the range of complex objects created by the LbL technique has greatly expanded in the past 10 years. In this Review, the aim is to highlight the recent progress in the field of LbL films for biomedical applications and to discuss the various ways to spatially and temporally control the biochemical and mechanical properties of multilayers. In particular, three major developments of LbL films are discussed: 1) the new methods and templates to engineer LbL films and control cellular processes from adhesion to differentiation, 2) the major ways to achieve temporal control by chemical, biological and physical triggers and, 3) the combinations of LbL technique, cells and scaffolds for repairing 3D tissues, including cardio-vascular devices, bone implants and neuro-prosthetic devices.
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Affiliation(s)
- Claire Monge
- CNRS, UMR 5628, LMGP, 3 parvis Louis Néel, F-38016, Grenoble, France; Université de Grenoble Alpes, Grenoble Institute of Technology, 3 parvis Louis Néel, F-38016, Grenoble, France
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27
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Wu J, Liu Y, Bao L. A Simple Way to Prepare Fe3O4@Polypyrrole Hollow Capsules and Their Application as Catalyst Supports in Reduction of 4-Nitrophenol. CHEM LETT 2015. [DOI: 10.1246/cl.150004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jie Wu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University
| | - Yang Liu
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University
| | - Lina Bao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University
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28
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Carregal-Romero S, Guardia P, Yu X, Hartmann R, Pellegrino T, Parak WJ. Magnetically triggered release of molecular cargo from iron oxide nanoparticle loaded microcapsules. NANOSCALE 2015; 7:570-6. [PMID: 25415565 DOI: 10.1039/c4nr04055d] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Photothermal release of cargo molecules has been extensively studied for bioapplications. For instance, microcapsules decorated with plasmonic nanoparticles have been widely used in in vitro assays. However, some concerns about their suitability for some in vivo applications cannot be easily overcome, in particular the limited penetration depth of light (even infrared). Magnetic nanoparticles are alternative heat-mediators for local heating, which can be triggered by applying an alternating magnetic field (AMF). AMFs are much less absorbed by tissue than light and thus can penetrate deeper overcoming the above mentioned limitations. Here we present iron oxide nanocube-modified microcapsules as a platform for magnetically triggered molecular release. Layer-by-layer assembled polyelectrolyte microcapsules with 4.6 μm diameter, which had 18 nm diameter iron oxide nanocubes integrated in their walls, were synthesized. The microcapsules were further loaded with an organic fluorescent polymer (Cascade Blue-labelled dextran), which was used as a model of molecular cargo. Through an AMF the magnetic nanoparticles were able to heat their surroundings and destroy the microcapsule walls, leading to a final release of the embedded cargo to the surrounding solution. The cargo release was monitored in solution by measuring the increase in both absorbance and fluorescence signal after the exposure to an AMF. Our results demonstrate that magnetothermal release of the encapsulated material is possible using magnetic nanoparticles with a high heating performance.
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29
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Kijewska K, Głowala P, Kowalska J, Jemielity J, Kaczyńska K, Janiszewska K, Stolarski J, Blanchard GJ, Kępińska D, Lubelska K, Wiktorska K, Pisarek M, Mazur M. Gold-decorated polymer vessel structures as carriers of mRNA cap analogs. POLYMER 2015. [DOI: 10.1016/j.polymer.2014.12.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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30
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Zheng C, Ding Y, Liu X, Wu Y, Ge L. Highly magneto-responsive multilayer microcapsules for controlled release of insulin. Int J Pharm 2014; 475:17-24. [DOI: 10.1016/j.ijpharm.2014.08.042] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Revised: 07/29/2014] [Accepted: 08/21/2014] [Indexed: 01/15/2023]
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31
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Paiphansiri U, Baier G, Kreyes A, Yiamsawas D, Koynov K, Musyanovych A, Landfester K. Glutathione-Responsive DNA-Based Nanocontainers Through an “Interfacial Click” Reaction in Inverse Miniemulsion. MACROMOL CHEM PHYS 2014. [DOI: 10.1002/macp.201400374] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Umaporn Paiphansiri
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Grit Baier
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Andreas Kreyes
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Doungporn Yiamsawas
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Kaloian Koynov
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Anna Musyanovych
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
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32
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Okada H, Tanaka K, Chujo Y. Microwave-driven enzyme deactivation using imidazolium salt-presenting silica nanoparticles. Bioorg Med Chem Lett 2014; 24:4622-4625. [PMID: 25223957 DOI: 10.1016/j.bmcl.2014.08.065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 08/20/2014] [Accepted: 08/28/2014] [Indexed: 10/24/2022]
Abstract
Thermal enzyme deactivation by the imidazolium-presenting silica nanoparticles with the microwave irradiation is presented in this manuscript. The modified nanoparticles were synthesized, and it was observed that the modified nanoparticles can be a heat source in the buffer under the weak-power microwave irradiation. Finally, based on the heat-generating ability of these nanoparticles, deactivation of glutathione reductase and alkaline phosphatase with the modified nanoparticles were demonstrated.
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Affiliation(s)
- Hiroshi Okada
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan; Matsumoto Yushi-Seiyaku Co., Ltd, 2-1-3, Shibukawa-cho, Yao-City, Osaka 581-0075, Japan
| | - Kazuo Tanaka
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Yoshiki Chujo
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan.
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33
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Torrisi V, Graillot A, Vitorazi L, Crouzet Q, Marletta G, Loubat C, Berret JF. Preventing Corona Effects: Multiphosphonic Acid Poly(ethylene glycol) Copolymers for Stable Stealth Iron Oxide Nanoparticles. Biomacromolecules 2014; 15:3171-9. [DOI: 10.1021/bm500832q] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- V. Torrisi
- Matière
et Systèmes Complexes, UMR 7057 CNRS Université Denis
Diderot Paris-VII, Bâtiment Condorcet, 10 rue Alice Domon et Léonie Duquet, 75205 Paris, France
- Laboratory
for Molecular Surfaces and
Nanotechnology (LAMSUN), Department of Chemical Sciences, University of Catania and CSGI, Viale A. Doria 6, 95125, Catania, Italy
| | - A. Graillot
- Specific
Polymers,
ZAC Via Domitia, 150 Avenue des Cocardières, 34160 Castries, France
| | - L. Vitorazi
- Matière
et Systèmes Complexes, UMR 7057 CNRS Université Denis
Diderot Paris-VII, Bâtiment Condorcet, 10 rue Alice Domon et Léonie Duquet, 75205 Paris, France
| | - Q. Crouzet
- Specific
Polymers,
ZAC Via Domitia, 150 Avenue des Cocardières, 34160 Castries, France
| | - G. Marletta
- Laboratory
for Molecular Surfaces and
Nanotechnology (LAMSUN), Department of Chemical Sciences, University of Catania and CSGI, Viale A. Doria 6, 95125, Catania, Italy
| | - C. Loubat
- Specific
Polymers,
ZAC Via Domitia, 150 Avenue des Cocardières, 34160 Castries, France
| | - J.-F. Berret
- Matière
et Systèmes Complexes, UMR 7057 CNRS Université Denis
Diderot Paris-VII, Bâtiment Condorcet, 10 rue Alice Domon et Léonie Duquet, 75205 Paris, France
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34
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Yao T, Cui T, Wang H, Xu L, Cui F, Wu J. A simple way to prepare Au@polypyrrole/Fe3O4 hollow capsules with high stability and their application in catalytic reduction of methylene blue dye. NANOSCALE 2014; 6:7666-7674. [PMID: 24899540 DOI: 10.1039/c4nr00023d] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Metal nanoparticles are promising catalysts for dye degradation in treating wastewater despite the challenges of recycling and stability. In this study, we have introduced a simple way to prepare Au@polypyrrole (PPy)/Fe3O4 catalysts with Au nanoparticles embedded in a PPy/Fe3O4 capsule shell. The PPy/Fe3O4 capsule shell used as a support was constructed in one-step, which not only dramatically simplified the preparation process, but also easily controlled the magnetic properties of the catalysts through adjusting the dosage of FeCl2·4H2O. The component Au nanoparticles could catalyze the reduction of methylene blue dye with NaBH4 as a reducing agent and the reaction rate constant was calculated through the pseudo-first-order reaction equation. The Fe3O4 nanoparticles permitted quick recycling of the catalysts with a magnet due to their room-temperature superparamagnetic properties; therefore, the catalysts exhibited good reusability. In addition to catalytic activity and reusability, stability is also an important property for catalysts. Because both Au and Fe3O4 nanoparticles were wrapped in the PPy shell, compared with precursor polystyrene/Au composites and bare Fe3O4 nanoparticles, the stability of Au@PPy/Fe3O4 hollow capsules was greatly enhanced. Since the current method is simple and flexible to create recyclable catalysts with high stability, it would promote the practicability of metal nanoparticle catalysts in industrial polluted water treatment.
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Affiliation(s)
- Tongjie Yao
- The Academy of Fundamental and Interdisciplinary Science, Harbin Institute of Technology, Harbin, Heilongjiang 150080, People's Republic of China.
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35
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Okada T, Ozono S, Okamoto M, Takeda Y, Minamisawa HM, Haeiwa T, Sakai T, Mishima S. Magnetic Rattle-Type Core–Shell Particles Containing Iron Compounds with Acid Tolerance by Dense Silica. Ind Eng Chem Res 2014. [DOI: 10.1021/ie500588j] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Tomohiko Okada
- Department
of Chemistry and Material Engineering, Faculty of Engineering, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan
| | - Shoya Ozono
- Department
of Chemistry and Material Engineering, Faculty of Engineering, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan
| | - Masami Okamoto
- Department
of Chemistry and Material Engineering, Faculty of Engineering, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan
| | - Yohei Takeda
- Department
of Chemistry and Material Engineering, Faculty of Engineering, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan
| | - Hikari M. Minamisawa
- Technology Division,
Faculty of Engineering, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan
| | - Tetsuji Haeiwa
- Department
of Computer Science and Engineering, Faculty of Engineering, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan
| | - Toshio Sakai
- Department
of Chemistry and Material Engineering, Faculty of Engineering, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan
| | - Shozi Mishima
- Department
of Chemistry and Material Engineering, Faculty of Engineering, Shinshu University, Wakasato 4-17-1, Nagano 380-8553, Japan
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36
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Ridi F, Bonini M, Baglioni P. Magneto-responsive nanocomposites: preparation and integration of magnetic nanoparticles into films, capsules, and gels. Adv Colloid Interface Sci 2014; 207:3-13. [PMID: 24139510 DOI: 10.1016/j.cis.2013.09.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Accepted: 09/23/2013] [Indexed: 12/12/2022]
Abstract
This review reports on the latest developments in the field of magnetic nanocomposites, with a special focus on the potentials introduced by the incorporation of magnetic nanoparticles into polymer and supramolecular matrices. The general notions and the state of the art of nanocomposite materials are summarized and the results reported in the literature over the last decade on magnetically responsive films, capsules and gels are reviewed. The most promising concepts that have inspired the design of magneto-responsive nanocomposites are illustrated through remarkable examples where the integration of magnetic nanoparticles into organic architectures has successfully taken to the development of responsive multifunctional materials.
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37
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Musyanovych A, Landfester K. Polymer Micro- and Nanocapsules as Biological Carriers with Multifunctional Properties. Macromol Biosci 2014; 14:458-77. [DOI: 10.1002/mabi.201300551] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2013] [Revised: 02/03/2014] [Indexed: 12/12/2022]
Affiliation(s)
- Anna Musyanovych
- Fraunhofer ICT-IMM; Carl-Zeiss-Str. 18-20 55129 Mainz Germany
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
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38
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Uehara TM, Marangoni VS, Pasquale N, Miranda PB, Lee KB, Zucolotto V. A detailed investigation on the interactions between magnetic nanoparticles and cell membrane models. ACS APPLIED MATERIALS & INTERFACES 2013; 5:13063-13068. [PMID: 24295326 DOI: 10.1021/am404042r] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The understanding of the interactions between small molecules and magnetic nanoparticles is of great importance for many areas of bioapplications. Although a large array of studies in this area have been performed, aspects involving the interaction of magnetic nanoparticles with phospholipids monolayers, which can better mimic biological membranes, have not yet been clarified. This study was aimed at investigating the interactions between Langmuir films of dipalmitoyl phosphatidylglycerol and dipalmitoyl phosphatidylcholine, obtained on an aqueous subphase, and magnetic nanoparticles. Sum-frequency generation (SFG) vibrational spectroscopy was used to verify the orientation and molecular conformation and to better understand the interactions between phospholipids and the magnetic nanoparticles. Surface pressure-area isotherms and SFG spectroscopy made it possible to investigate the interaction of these nanomaterials with components of phospholipids membranes at the water surface.
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Affiliation(s)
- Thiers Massami Uehara
- Nanomedicine and Nanotoxicology Group, Physics Institute of São Carlos, University of São Paulo , CP 369, São Carlos, São Paulo, Brazil 13566-590
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39
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Tian Y, Chen J, Zahtabi F, Keijzer R, Xing M. Nanomedicine as an innovative therapeutic strategy for pediatric lung diseases. Pediatr Pulmonol 2013; 48:1098-111. [PMID: 23997035 DOI: 10.1002/ppul.22657] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2012] [Accepted: 06/07/2012] [Indexed: 02/06/2023]
Abstract
Nanomedicine is a rapidly emerging technology and represents an innovative field for therapy. Nanomaterials have intrinsically defined features for biomedical applications due to the high specific surface area, the amazing diversity, versatility in structure and function and the possibility of surface charge. In particular, the functionalization of targeting or stimuli-responsive unit on the surface of these materials gives them specific targeted therapeutic properties. There are many pediatric lung diseases that could potentially benefit from nanomedicine. Herein, we aim to review various drug carrier systems and release systems specifically targeting pediatric lung diseases. The injection of nanomedicine into in vivo models and their elimination will also be discussed. Finally, the potential toxicity of nanomaterials will be addressed.
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Affiliation(s)
- Ye Tian
- Department of Mechanical and Manufacturing Engineering, University of Manitoba, Winnipeg, Manitoba; Manitoba Institute of Child Health, Winnipeg, Manitoba, Canada
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40
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Timko BP, Kohane DS. Materials to clinical devices: technologies for remotely triggered drug delivery. Clin Ther 2013; 34:S25-35. [PMID: 23149010 DOI: 10.1016/j.clinthera.2012.09.012] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Revised: 09/12/2012] [Accepted: 10/04/2012] [Indexed: 12/01/2022]
Abstract
BACKGROUND Technologies in which a remote trigger is used to release drug from an implanted or injected device could enable on-demand release profiles that enhance therapeutic effectiveness or reduce systemic toxicity. A number of new materials have been developed that exhibit sensitivity to light, ultrasound, or electrical or magnetic fields. Delivery systems that incorporate these materials might be triggered externally by the patient, parent or physician to provide flexible control of dose magnitude and timing. OBJECTIVES To review injectable or implantable systems that are candidates for translation to the clinic, or ones that have already undergone clinical trials. Also considered are applicability in pediatrics and prospects for the future of drug delivery systems. METHODS We performed literature searches of the PubMed and Science Citation Index databases for articles in English that reported triggerable drug delivery devices, and for articles reporting related materials and concepts. RESULTS Approaches to remotely-triggered systems that have clinical potential were identified. Ideally, these systems have been engineered to exhibit controlled on-state release kinetics, low baseline leak rates, and reproducible dosing across multiple cycles. CONCLUSIONS Advances in remotely-triggered drug delivery have been brought about by the convergence of numerous scientific and engineering disciplines, and this convergence is likely to play an important part in the current trend to develop systems that provide more than one therapeutic modality. Preclinical systems must be carefully assessed for biocompatibility, and engineered to ensure pharmacokinetics within the therapeutic window. Future drug delivery systems may incorporate additional modalities, such as closed-loop sensing or onboard power generation, enabling more sophisticated drug delivery regimens.
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Affiliation(s)
- Brian P Timko
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Division of Critical Care Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
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41
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Chen SY, Hu SH, Liu TY. Magnetic-responsive Nanoparticles for Drug Delivery. SMART MATERIALS FOR DRUG DELIVERY 2013. [DOI: 10.1039/9781849734318-00032] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Controlled drug release, especially stimuli-responsive drug-delivery systems, has received great attention worldwide. Compared to other triggering agents that require a physical or chemical contact, magnetic field permits a non-contact, remotely manageable control of the site and rate of the release, which is highly advantageous for clinical applications. Magnetic nanoparticles display some excellent advantages, such as magnetic-guiding, magnetic resonance image (MRI), hyperthermia and magnetic-triggered drug release upon a simple “on” and “off” magnetic switch mode. Therefore, magnetic-sensitive drug nanocarriers can be considered as a new biomedical nanoplatform for disease diagnosis and therapy. In this chapter, the physical basis of the effects of the magnetic field on magnetic nanocolloid solutions, the synthesis of magnetic nanoparticles and of nanostructures containing the magnetic nanoparticles (e.g. micelles, polymersomes, organic and inorganic networks) is described, and some relevant applications, including in vivo tests, for drug delivery in cancer, epilepsy and gene therapy, among others, are discussed.
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Affiliation(s)
- San-Yuan Chen
- Department of Materials Science and Engineering National Chiao Tung University Taiwan, ROC
| | - Shang-Hsiu Hu
- Department of Materials Science and Engineering National Chiao Tung University Taiwan, ROC
| | - Ting-Yu Liu
- Institute of Polymer Science and Engineering National Taiwan University, Taipei 10617 Taiwan, ROC
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42
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Pavlukhina S, Sukhishvili S. Smart Layer-by-Layer Assemblies for Drug Delivery. SMART MATERIALS FOR DRUG DELIVERY 2013. [DOI: 10.1039/9781849734318-00117] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Layer-by-layer (LbL) assembly is an effective tool for development of surface coatings and capsules for localized, controlled delivery of bioactive molecules. Because of the unprecedented versatility of the technique, a broad range of nanoobjects, including molecules, particles, micelles, vesicles and others with diverse chemistry and architecture can be used as building blocks for LbL assemblies, opening various routes for inclusion and delivery of functional molecules to/from LbL films. Moreover, the LbL technique continues to show its power in constructing three-dimensional (3D) delivery containers, in which LbL walls can additionally control delivery of functional molecules incorporated in the capsule interior. In this chapter, we discuss recent progress in the use of LbL assemblies to control release of therapeutic compounds via diffusion, hydrolytic degradation, pH, ionic strength or temperature variations, application of light, ultrasound, electric and magnetic field stimuli, redox activation or biological stimuli.
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Affiliation(s)
- Svetlana Pavlukhina
- Department of Chemistry Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030 USA
| | - Svetlana Sukhishvili
- Department of Chemistry Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030 USA
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43
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Deshmukh PK, Ramani KP, Singh SS, Tekade AR, Chatap VK, Patil GB, Bari SB. Stimuli-sensitive layer-by-layer (LbL) self-assembly systems: Targeting and biosensory applications. J Control Release 2013; 166:294-306. [DOI: 10.1016/j.jconrel.2012.12.033] [Citation(s) in RCA: 131] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Revised: 12/28/2012] [Accepted: 12/29/2012] [Indexed: 12/13/2022]
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44
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Gao PF, Zheng LL, Liang LJ, Yang XX, Li YF, Huang CZ. A new type of pH-responsive coordination polymer sphere as a vehicle for targeted anticancer drug delivery and sustained release. J Mater Chem B 2013; 1:3202-3208. [DOI: 10.1039/c3tb00026e] [Citation(s) in RCA: 122] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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45
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Sankaranarayanan K, Hakkim V, Nair B, Dhathathreyan A. Nanoclusters of nickel oxide using giant vesicles. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.05.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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46
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Amstad E, Reimhult E. Nanoparticle actuated hollow drug delivery vehicles. Nanomedicine (Lond) 2012; 7:145-64. [PMID: 22191783 DOI: 10.2217/nnm.11.167] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The trend towards personalized medicine and the long-standing wish to reduce drug consumption and unwanted side effects have been the driving force behind research on drug delivery vehicles that control localization, timing and dose of released cargo. Controlling location and timing of the release allows using more potent drugs as the interaction with the right target is ensured and enables sequential drug release. A particularly desired solution allows for externally triggered release of encapsulated compounds. Externally controlled release can be accomplished if drug delivery vehicles, such as liposomes or polyelectrolyte multilayer capsules, incorporate nanoparticle (NP) actuators. However, close control over the structure of the composite material is necessary to harness this potential. This review describes the assembly and characterization of NP functionalized liposomes and polyelectrolyte multilayer capsules that allow for externally triggered cargo release. Special attention is paid to the relationship between NP stability and the assembly and performance of NP functionalized drug delivery vehicles.
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Affiliation(s)
- Esther Amstad
- Department of Nanobiotechnology, University of Natural Resources & Life Sciences (BOKU), Vienna, Austria.
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47
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Yeo SJ, Kang H, Kim YH, Han S, Yoo PJ. Layer-by-layer assembly of polyelectrolyte multilayers in three-dimensional inverse opal structured templates. ACS APPLIED MATERIALS & INTERFACES 2012; 4:2107-2115. [PMID: 22439630 DOI: 10.1021/am300072p] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
A novel means of layer-by-layer deposition (LbL) of polyelectrolyte multilayers on three-dimensionally porous inverse opal (3D-IO) structures is presented. The 3D-IO structures comprising UV-curable polymer are highly flexible and can be readily demonstrated as free-standing films with double-sided open porosity over a large scale. A conflict between the intrinsically hydrophobic polymeric structures and waterborne characteristics of the LbL deposition process is overcome by employing a mixed solvent system of water and alcohol. The deposition pH of the LbL assembly can strongly affect the charge density and the degree of entanglement of polyelectrolyte chains, resulting in contrastingly different film deposition and growth behaviors. Since this method utilizes a three-dimensionally structured surface as a deposition substrate, 3D-IO films with a thickness of tens of micrometers can be uniformly and completely deposited with polyelectrolyte multilayers using only several tens of bilayer depositions, which can offer a new pathway of fabricating functionalized polymeric films. Finally, the LbL treated 3D-IO films are applied to nanofiltration membranes for removing multivalent metallic cations. Due to the enhanced Donnan exclusion effect as a result of multiple interfaces formed inside the 3D-IO structures and the relatively large volumetric ratio of water-permeable polyelectrolyte complexes, outstanding membrane performance was observed. Specifically, a good rejection rate of metal ions was achieved even under highly diluted feed conditions without sacrificing the high permeation flux.
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Affiliation(s)
- Seon Ju Yeo
- School of Chemical Engineering, Sungkyunkwan University, Suwon, Republic of Korea
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48
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Wohl BM, Engbersen JF. Responsive layer-by-layer materials for drug delivery. J Control Release 2012; 158:2-14. [DOI: 10.1016/j.jconrel.2011.08.035] [Citation(s) in RCA: 171] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Accepted: 08/23/2011] [Indexed: 11/30/2022]
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49
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Louguet S, Rousseau B, Epherre R, Guidolin N, Goglio G, Mornet S, Duguet E, Lecommandoux S, Schatz C. Thermoresponsive polymer brush-functionalized magnetic manganite nanoparticles for remotely triggered drug release. Polym Chem 2012. [DOI: 10.1039/c2py20089a] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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50
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Katagiri K, Imai Y, Koumoto K. Variable on-demand release function of magnetoresponsive hybrid capsules. J Colloid Interface Sci 2011; 361:109-14. [DOI: 10.1016/j.jcis.2011.05.035] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2011] [Revised: 05/13/2011] [Accepted: 05/14/2011] [Indexed: 10/18/2022]
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