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Stawski D. Poly(N,N-dimethylaminoethyl methacrylate) as a bioactive polyelectrolyte-production and properties. ROYAL SOCIETY OPEN SCIENCE 2023; 10:230188. [PMID: 37736533 PMCID: PMC10509595 DOI: 10.1098/rsos.230188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 08/17/2023] [Indexed: 09/23/2023]
Abstract
Poly(N,N-dimethylaminoethyl methacrylate) is a polyelectrolyte with many important chemical and physical properties and, above all, offers a wide range of interesting biological properties. Currently, research on this polymer is ongoing in several centres around the world. The process of polymerizing the monomer is not easy, as there are difficulties in obtaining a product with repeatable properties. This work collected and described most of the currently known and used polymerization methods of N,N-dimethylaminoethyl methacrylate, taking into account the type of method, the solvent used, the initiator, as well as the process temperature and the average molecular weight of the polymer obtained. The most important properties of the discussed polymer, such as solubility, bioactivity, hydrophilicity, cytotoxicity, conductivity, and thermal and hydrodynamic parameters, are discussed on the basis of the available scientific literature. This work aims, among other things, to increase the possibility of using poly(N,N-dimethylaminoethyl methacrylate) as a material in advanced practical applications. Therefore, various methods of applied use of the polymer in question have also been described so far. Copolymers of the N,N-dimethylaminoethyl methacrylate are now too large a collection to fit in a single publication. Therefore, only the most interesting examples were cited in this work.
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Affiliation(s)
- Dawid Stawski
- Institute of Materials Science of Textiles and Polymer Composites, Lodz University of Technology, Żeromskiego 116 str, 90-924 Lodz, Poland
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2
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Geyik G, Işıklan N. Chemical modification of κ-carrageenan with poly(2-hydroxypropylmethacrylamide) through microwave induced graft copolymerization: Characterization and swelling features. Int J Biol Macromol 2023; 235:123888. [PMID: 36870636 DOI: 10.1016/j.ijbiomac.2023.123888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/24/2023] [Accepted: 02/26/2023] [Indexed: 03/06/2023]
Abstract
In the last decade, interest in the development of new graft copolymers based on natural polysaccharides has grown remarkably due to their potential applications in the wastewater treatment, biomedical, nanomedicine, and pharmaceutical fields. Herein, a novel graft copolymer of κ-carrageenan with poly(2-hydroxypropylmethacrylamide) (κ-Crg-g-PHPMA) was synthesized using a 'microwave induced' technique. The synthesized novel graft copolymer has been well characterized in terms of FTIR, 13C NMR, molecular weight determination, TG, DSC, XRD, SEM, and elemental analyses, taking κ-carrageenan as a reference. The graft copolymers' swelling characteristics were investigated at pH 1.2 and 7.4. The results of swelling studies displayed that the incorporation of PHPMA groups on κ-Crg provides increasing hydrophilicity. The effect of PHPMA percentage in the graft copolymers and pH of the medium on the swelling percentage was studied and the findings exhibited that swelling ability increased with the increment in PHPMA percentage and pH of the medium. The best swelling percentage was attained at pH = 7.4 and a grafting percentage of 81 % reaching 1007 % at the end of 240 min. Moreover, cytotoxicity of the synthesized κ-Crg-g-PHPMA copolymer was assessed on the L929 fibroblast cell line and obtained to be non-toxic.
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Affiliation(s)
- Gülcan Geyik
- Department of Chemistry, Faculty of Arts and Sciences, Kırıkkale University, Yahşihan 71450, Kırıkkale, Turkey; Alaca Avni Çelik Vocational School, Hitit University, Çorum, Turkey
| | - Nuran Işıklan
- Department of Chemistry, Faculty of Arts and Sciences, Kırıkkale University, Yahşihan 71450, Kırıkkale, Turkey.
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3
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Glial Cell Line-Derived Neurotrophic Factor-Loaded CMCht/PAMAM Dendrimer Nanoparticles for Peripheral Nerve Repair. Pharmaceutics 2022; 14:pharmaceutics14112408. [DOI: 10.3390/pharmaceutics14112408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/30/2022] [Accepted: 11/01/2022] [Indexed: 11/09/2022] Open
Abstract
(1) Background: Peripheral nerve injuries represent a major clinical challenge. If nerve ends retract, there is no spontaneous regeneration and grafts are required to proximate the nerve ends and give continuity to the nerve. (2) Methods: GDNF-loaded NPs were characterized physicochemically. For that, NPs stability at different pH’s was assessed, and GDNF release was studied through ELISA. In vitro studies are performed with Schwann cells, and the NPs are labeled with fluorescein-5(6)-isothiocyanate for uptake experiments with SH-SY5Y neural cells. (3) Results: GDNF-loaded NPs are stable in physiological conditions, releasing GDNF in a two-step profile, which is beneficial for nerve repair. Cell viability is improved after 1 day of culture, and the uptake is near 99.97% after 3 days of incubation. (4) Conclusions: The present work shows the efficiency of using CMCht/PAMAM NPs as a GDNF-release system to act on peripheral nerve regeneration.
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A concise review on bio-responsive polymers in targeted drug delivery system. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04424-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Liu H, Prachyathipsakul T, Koyasseril-Yehiya TM, Le SP, Thayumanavan S. Molecular bases for temperature sensitivity in supramolecular assemblies and their applications as thermoresponsive soft materials. MATERIALS HORIZONS 2022; 9:164-193. [PMID: 34549764 PMCID: PMC8757657 DOI: 10.1039/d1mh01091c] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Thermoresponsive supramolecular assemblies have been extensively explored in diverse formats, from injectable hydrogels to nanoscale carriers, for a variety of applications including drug delivery, tissue engineering and thermo-controlled catalysis. Understanding the molecular bases behind thermal sensitivity of materials is fundamentally important for the rational design of assemblies with optimal combination of properties and predictable tunability for specific applications. In this review, we summarize the recent advances in this area with a specific focus on the parameters and factors that influence thermoresponsive properties of soft materials. We summarize and analyze the effects of structures and architectures of molecules, hydrophilic and lipophilic balance, concentration, components and external additives upon the thermoresponsiveness of the corresponding molecular assemblies.
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Affiliation(s)
- Hongxu Liu
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, USA.
| | | | | | - Stephanie P Le
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, USA.
| | - S Thayumanavan
- Department of Chemistry, University of Massachusetts Amherst, Amherst, Massachusetts 01003, USA.
- Department of Biomedical Engineering, University of Massachusetts, Amherst, Massachusetts 01003, USA
- Molecular and Cellular Biology Program, University of Massachusetts, Amherst, Massachusetts 01003, USA
- Centre for Bioactive Delivery, Institute for Applied Life Science, University of Massachusetts, Amherst, Massachusetts 01003, USA
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Zhang M, Yu P, Xie J, Li J. Recent advances of zwitterionic based topological polymers for biomedical applications. J Mater Chem B 2022; 10:2338-2356. [PMID: 35212331 DOI: 10.1039/d1tb02323c] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Zwitterionic polymers, comprising hydrophilic anionic and cationic groups with the same total number of positive and negative charges on the same monomer residue, have received increasing attention due to their...
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Affiliation(s)
- Miao Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer, Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Peng Yu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer, Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Jing Xie
- College of Polymer Science and Engineering, State Key Laboratory of Polymer, Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer, Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, P. R. China
- Med-X Center for Materials, Sichuan University, Chengdu 610041, P. R. China
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Rahman S, Kumar V, Kumar A, Abdullah TS, Rather IA, Jan AT. Molecular Perspective of Nanoparticle Mediated Therapeutic Targeting in Breast Cancer: An Odyssey of Endoplasmic Reticulum Unfolded Protein Response (UPR ER) and Beyond. Biomedicines 2021; 9:biomedicines9060635. [PMID: 34199484 PMCID: PMC8229605 DOI: 10.3390/biomedicines9060635] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 12/21/2022] Open
Abstract
Breast cancer (BC) is the second most frequent cause of death among women. Representing a complex and heterogeneous type of cancer, its occurrence is attributed by both genetic (gene mutations, e.g., BRCA1, BRCA2) and non-genetic (race, ethnicity, etc.) risk factors. The effectiveness of available treatment regimens (small molecules, cytotoxic agents, and inhibitors) decreased due to their poor penetration across biological barriers, limited targeting, and rapid body clearance along with their effect on normal resident cells of bone marrow, gastrointestinal tract, and hair follicles. This significantly reduced their clinical outcomes, which led to an unprecedented increase in the number of cases worldwide. Nanomedicine, a nano-formulation of therapeutics, emerged as a versatile delivering module for employment in achieving the effective and target specific delivery of pharmaceutical payloads. Adoption of nanotechnological approaches in delivering therapeutic molecules to target cells ensures not only reduced immune response and toxicity, but increases the stability of therapeutic entities in the systemic circulation that averts their degradation and as such increased extravasations and accumulation via enhanced permeation and the retention (EPR) effect in target tissues. Additionally, nanoparticle (NP)-induced ER stress, which enhances apoptosis and autophagy, has been utilized as a combative strategy in the treatment of cancerous cells. As nanoparticles-based avenues have been capitalized to achieve better efficacy of the new genera of therapeutics with enhanced specificity and safety, the present study is aimed at providing the fundamentals of BC, nanotechnological modules (organic, inorganic, and hybrid) employed in delivering different therapeutic molecules, and mechanistic insights of nano-ER stress induced apoptosis and autophagy with a perspective of exploring this avenue for use in the nano-toxicological studies. Furthermore, the current scenario of USA FDA approved nano-formulations and the future perspective of nanotechnological based interventions to overcome the existing challenges are also discussed.
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Affiliation(s)
- Safikur Rahman
- Department of Botany, Munshi Singh College, BR Ambedkar Bihar University, Muzaffarpur 845401, India;
| | - Vijay Kumar
- Department of Biotechnology, Yeungnam University, Gyeongsan 38541, Korea;
| | - Anuj Kumar
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Korea;
| | - Tasduq S. Abdullah
- Council of Scientific and Industrial Research–Indian Institute of Integrative Medicine (CSIR–IIIM), Jammu 180001, India;
| | - Irfan A. Rather
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University (KAU), P.O. Box 80141, Jeddah 21589, Saudi Arabia
- Correspondence: (I.A.R.); (A.T.J.)
| | - Arif Tasleem Jan
- School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri 185234, India
- Correspondence: (I.A.R.); (A.T.J.)
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8
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Geyik G, Işıklan N. Synthesis, characterization and swelling performance of a temperature/pH-sensitive κ-carrageenan graft copolymer. Int J Biol Macromol 2020; 152:359-370. [DOI: 10.1016/j.ijbiomac.2020.02.129] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 02/06/2020] [Accepted: 02/12/2020] [Indexed: 11/27/2022]
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9
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Ribeiro AM, Flores-Sahagun THS. Application of stimulus-sensitive polymers in wound healing formulation. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1655744] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Andreza M Ribeiro
- Engineering and Material Science, University Federal of Paraná, Curitiba, Brazil
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10
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Li L, Wang J, Kong H, Zeng Y, Liu G. Functional biomimetic nanoparticles for drug delivery and theranostic applications in cancer treatment. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2018; 19:771-790. [PMID: 30815042 PMCID: PMC6383616 DOI: 10.1080/14686996.2018.1528850] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 09/24/2018] [Accepted: 09/24/2018] [Indexed: 05/17/2023]
Abstract
Nanotechnology has been extensively utilized in the design and development of powerful strategies for drug delivery and cancer theranostic. Nanoplatforms as a drug delivery system have many advantages such as in vivo imaging, combined drug delivery, extended circulation time, and systemic controlled release. The functional biomimetic drug delivery could be realized by incorporating stimuli-responsive (pH, temperature, redox potential, etc.) properties into the nanocarrier system, allowing them to bypass biological barriers and arrive at the targeted area. In this review, we discuss the role of internal stimuli-responsive nanocarrier system for imaging and drug delivery in cancer therapy. The development of internal stimuli-responsive nanoparticles is highlighted for precision drug delivery applications, with a particular focus on in vivo imaging, drug release performance, and therapeutic benefits.
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Affiliation(s)
- Lei Li
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, China
| | - Junqing Wang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, China
| | - Hangru Kong
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, China
| | - Yun Zeng
- Department of Pharmacology, Xiamen Medical College, Xiamen, China
| | - Gang Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, China
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11
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A review on pH and temperature responsive gels and other less explored drug delivery systems. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.05.037] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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12
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Sherje AP, Jadhav M, Dravyakar BR, Kadam D. Dendrimers: A versatile nanocarrier for drug delivery and targeting. Int J Pharm 2018; 548:707-720. [PMID: 30012508 DOI: 10.1016/j.ijpharm.2018.07.030] [Citation(s) in RCA: 180] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 07/08/2018] [Accepted: 07/09/2018] [Indexed: 01/04/2023]
Abstract
Dendrimers are novel polymeric nanoarchitectures characterized by hyper-branched 3D-structure having multiple functional groups on the surface that increases their functionality and make them versatile and biocompatible. Their unique properties like nanoscale uniform size, high degree of branching, polyvalency, water solubility, available internal cavities and convenient synthesis approaches make them promising agent for biological and drug delivery applications. Dendrimers have received an enormous attention from researchers among various nanomaterials. Dendrimers can be used as a carrier for diverse therapeutic agents. They can be used for reducing drug toxicities and enhancement of their efficacies. The present review provide a comprehensive outline of synthesis of dendrimers, interaction of dendrimer with guest molecules, properties, characterization and their potential applications in pharmaceutical and biomedical field.
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Affiliation(s)
- Atul P Sherje
- Department of Pharmaceutical Chemistry & Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai 400 056, India.
| | - Mrunal Jadhav
- Department of Pharmaceutical Chemistry & Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai 400 056, India
| | - Bhushan R Dravyakar
- Department of Pharmaceutical Chemistry & Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai 400 056, India
| | - Darshana Kadam
- Department of Pharmaceutical Chemistry & Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai 400 056, India
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13
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Pietrasik J, Budzałek K, Zhang Y, Hałagan K, Kozanecki M. Macromolecular Templates for Synthesis of Inorganic Nanoparticles. ACS SYMPOSIUM SERIES 2018. [DOI: 10.1021/bk-2018-1285.ch010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- Joanna Pietrasik
- Institute of Polymer and Dye Technology, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
| | - Katarzyna Budzałek
- Department of Molecular Physics, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
| | - Yaoming Zhang
- Institute of Polymer and Dye Technology, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
| | - Krzysztof Hałagan
- Department of Molecular Physics, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
| | - Marcin Kozanecki
- Department of Molecular Physics, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
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Elkin I, Banquy X, Barrett CJ, Hildgen P. Non-covalent formulation of active principles with dendrimers: Current state-of-the-art and prospects for further development. J Control Release 2017; 264:288-305. [DOI: 10.1016/j.jconrel.2017.09.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 08/28/2017] [Accepted: 09/01/2017] [Indexed: 12/18/2022]
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15
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Perspectives on dendritic architectures and their biological applications: From core to cell. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 173:61-83. [PMID: 28564631 DOI: 10.1016/j.jphotobiol.2017.05.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 05/15/2017] [Accepted: 05/18/2017] [Indexed: 12/24/2022]
Abstract
The challenges of medicine today include the increasing stipulation for sensitive and effective systems that can improve the pathological responses with a simultaneous reduction in accumulation and drug side effects. The demand can be fulfilled through the advancements in nanomedicine that includes nanostructures and nanodevices for diagnosing, treating, and prevention of various diseases. In this respect, the nanoscience provides various novel techniques with carriers such as micelles, dendrimers, particles and vesicles for the transportation of active moieties. Further, an efficient way to improve these systems is through stimuli a responsive system that utilizes supramolecular hyperbranched structures to meet the above criteria. The stimuli-responsive dendritic architectures exhibit spatial, temporal, convenient, effective, safety and controlled drug release in response to specific trigger through electrostatic interactions plus π stacking. The stimuli-responsive systems are capable of sequestering the drug molecules underneath a predefined set of conditions and discharge them in a different environment through either exogenous or endogenous stimulus. The incorporation of photoresponsive moieties at various components of dendrimer such as core, branches or at the peripheral end exaggerates its significance in various allied fields of nanotechnology which includes sensors, photoswitch, electronic widgets and in drug delivery systems. This is due to the light instigated geometrical modifications at the core or at the surface molecules which generates huge conformational changes throughout the hyperbranched structure. Further, numerous synthetic methodologies have been investigated for utilization of dendrimers in therapeutic drug delivery and its applicability towards stimuli responsive systems such as photo-instigated, thermal-instigated, and pH-instigated hyperbranched structures and their advancement in the field of nanomedicine. This paper highlights the fascinating theoretical advances and principal mechanisms of dendrimer synthesis and their ability to capture light that strengthens its applicability from radiant energy to medical photonics.
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Carvalho MR, Maia FR, Silva-Correia J, Costa BM, Reis RL, Oliveira JM. A semiautomated microfluidic platform for real-time investigation of nanoparticles’ cellular uptake and cancer cells’ tracking. Nanomedicine (Lond) 2017; 12:581-596. [DOI: 10.2217/nnm-2016-0344] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: Develop a platform composed of labeled dendrimer nanoparticles (NPs) and a microfluidic device for real-time monitoring of cancer cells fate. Materials & methods: Carboxymethylchitosan/poly(amidoamine) dendrimer NPs were labeled with fluorescein-5(6)-isothiocyanate and characterized using different physicochemical techniques. After, HeLa, HCT-116 and U87MG were cultured in the presence of NPs, and cell viability and internalization efficiency in static (standard culture) and dynamic (microfluidic culture) conditions were investigated. Results: Cancer cells cultured with NPs in dynamic conditions were viable and presented higher internalization levels as compared with static 2D cultures. Conclusion: This work demonstrated that the proposed microfluidic-based platform allows real-time monitoring, which upon more studies, namely, the assessment of an anticancer drug release effect could be used for cancer theranostics.
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Affiliation(s)
- Mariana R Carvalho
- 3B's Research Group – Biomaterials, Biodegradables & Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering & Regenerative Medicine, Avepark – Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805–017 Barco GMR, Portugal
- ICVS/3B's – PT Government Associated Laboratory, Braga/Guimarães, Portugal
| | - F Raquel Maia
- 3B's Research Group – Biomaterials, Biodegradables & Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering & Regenerative Medicine, Avepark – Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805–017 Barco GMR, Portugal
- ICVS/3B's – PT Government Associated Laboratory, Braga/Guimarães, Portugal
| | - Joana Silva-Correia
- 3B's Research Group – Biomaterials, Biodegradables & Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering & Regenerative Medicine, Avepark – Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805–017 Barco GMR, Portugal
- ICVS/3B's – PT Government Associated Laboratory, Braga/Guimarães, Portugal
| | - Bruno M Costa
- ICVS/3B's – PT Government Associated Laboratory, Braga/Guimarães, Portugal
- Life & Health Sciences Research Institute (ICVS), School of Health Sciences, Campus de Gualtar, University of Minho, 4710–057 Braga, Portugal
| | - Rui L Reis
- 3B's Research Group – Biomaterials, Biodegradables & Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering & Regenerative Medicine, Avepark – Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805–017 Barco GMR, Portugal
- ICVS/3B's – PT Government Associated Laboratory, Braga/Guimarães, Portugal
| | - Joaquim M Oliveira
- 3B's Research Group – Biomaterials, Biodegradables & Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering & Regenerative Medicine, Avepark – Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805–017 Barco GMR, Portugal
- ICVS/3B's – PT Government Associated Laboratory, Braga/Guimarães, Portugal
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Abstract
This review summarizes pH-responsive monomers, polymers and their derivative nano- and micro-structures including micelles, cross-linked micelles, microgels and hydrogels.
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Affiliation(s)
- G. Kocak
- Department of Chemistry
- Faculty of Arts and Science
- Eskisehir Osmangazi University
- Eskisehir
- Turkey
| | - C. Tuncer
- Department of Chemistry
- Faculty of Arts and Science
- Eskisehir Osmangazi University
- Eskisehir
- Turkey
| | - V. Bütün
- Department of Chemistry
- Faculty of Arts and Science
- Eskisehir Osmangazi University
- Eskisehir
- Turkey
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18
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Sonawane SJ, Kalhapure RS, Govender T. Hydrazone linkages in pH responsive drug delivery systems. Eur J Pharm Sci 2016; 99:45-65. [PMID: 27979586 DOI: 10.1016/j.ejps.2016.12.011] [Citation(s) in RCA: 169] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 11/24/2016] [Accepted: 12/09/2016] [Indexed: 01/02/2023]
Abstract
Stimuli-responsive polymeric drug delivery systems using various triggers to release the drug at the sites have become a major focus area. Among various stimuli-responsive materials, pH-responsiveness has been studied extensively. The materials used for fabricating pH-responsive drug delivery systems include a specific chemical functionality in their structure that can respond to changes in the pH of the surrounding environment. Various chemical functionalities, for example, acetal, amine, ortho ester, amine and hydrazone, have been used to design materials that are capable of releasing their payload at the acidic pH conditions of the tumor or infection sites. Hydrazone linkages are significant synthons for numerous transformations and have gained importance in pharmaceutical sciences due to their various biological and clinical applications. These linkages have been employed in various drug delivery vehicles, such as linear polymers, star shaped polymers, dendrimers, micelles, liposomes and inorganic nanoparticles, for pH-responsive drug delivery. This review paper focuses on the synthesis and characterization methods of hydrazone bond containing materials and their applications in pH-responsive drug delivery systems. It provides detailed suggestions as guidelines to materials and formulation scientists for designing biocompatible pH-responsive materials with hydrazone linkages and identifying future studies.
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Affiliation(s)
- Sandeep J Sonawane
- Discipline of Pharmaceutical Sciences, School of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa
| | - Rahul S Kalhapure
- Discipline of Pharmaceutical Sciences, School of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa..
| | - Thirumala Govender
- Discipline of Pharmaceutical Sciences, School of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa..
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PAMAM-grafted TiO2 nanotubes as novel versatile materials for drug delivery applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 65:164-71. [DOI: 10.1016/j.msec.2016.03.104] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 03/03/2016] [Accepted: 03/29/2016] [Indexed: 12/30/2022]
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Dwivedi N, Shah J, Mishra V, Mohd Amin MCI, Iyer AK, Tekade RK, Kesharwani P. Dendrimer-mediated approaches for the treatment of brain tumor. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2016; 27:557-80. [PMID: 26928261 DOI: 10.1080/09205063.2015.1133155] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Worldwide, the cancer appeared as one of the most leading cause of morbidity and mortality. Among the various cancer types, brain tumors are most life threatening with low survival rate. Every year approximately 238,000 new cases of brain and other central nervous system tumors are diagnosed. The dendrimeric approaches have a huge potential for diagnosis and treatment of brain tumor with targeting abilities of molecular cargoes to the tumor sites and the efficiency of crossing the blood brain barrier and penetration to brain after systemic administration. The various generations of dendrimers have been designed as novel targeted drug delivery tools for new therapies including sustained drug release, gene therapy, and antiangiogenic activities. At present era, various types of dendrimers like PAMAM, PPI, and PLL dendrimers validated them as milestones for the treatment and diagnosis of brain tumor as well as other cancers. This review highlights the recent research, opportunities, advantages, and challenges involved in development of novel dendrimeric complex for the therapy of brain tumor.
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Affiliation(s)
- Nitin Dwivedi
- a Pharmacology Research Laboratory, Institute of Pharmacy , Nirma University , Ahmedabad , India
| | - Jigna Shah
- a Pharmacology Research Laboratory, Institute of Pharmacy , Nirma University , Ahmedabad , India
| | - Vijay Mishra
- b Pharmaceutical Nanotechnology Research Laboratory , Adina Institute of Pharmaceutical Sciences , Sagar , India
| | - Mohd Cairul Iqbal Mohd Amin
- c Faculty of Pharmacy, Centre for Drug Delivery Research , Universiti Kebangsaan Malaysia , Kuala Lumpur , Malaysia
| | - Arun K Iyer
- d Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences , Wayne State University , Detroit , MI , USA
| | - Rakesh Kumar Tekade
- e Department of Pharmaceutical Technology , School of Pharmacy , The International Medical University , Jalan Jalil Perkasa, Kuala Lumpur , Malaysia
| | - Prashant Kesharwani
- d Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences , Wayne State University , Detroit , MI , USA
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21
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Tomaz VA, Rubira AF, Silva R. Solid-state polymerization of EDTA and ethylenediamine as one-step approach to monodisperse hyperbranched polyamides. RSC Adv 2016. [DOI: 10.1039/c6ra01023g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Hyperbranched polyamides (HBPAs), a special class of polymers with extended use in colloidal systems, is synthesized by an innovative method taking advantage of the ordered aggregation of positive and negative molecular ions in solid-state.
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Affiliation(s)
- V. A. Tomaz
- Department of Chemistry
- State University of Maringá (UEM)
- 87020 – Maringá
- Brazil
- Grupo de Materiais Poliméricos e Compósitos
| | - A. F. Rubira
- Department of Chemistry
- State University of Maringá (UEM)
- 87020 – Maringá
- Brazil
- Grupo de Materiais Poliméricos e Compósitos
| | - R. Silva
- Department of Chemistry
- State University of Maringá (UEM)
- 87020 – Maringá
- Brazil
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22
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Nguyen TBT, Nguyen TTC, Tran HC, Nguyen CK, Tran NQ. 1H NMR Spectroscopy as an Effective Method for Predicting Molecular Weight of Polyaminoamine Dendrimers and Their Derivatives. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2015. [DOI: 10.1080/1023666x.2014.955632] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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23
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NAGAFUCHI K, KASHIO M, SUGIZAKI T, MORIYA O. Synthesis of Amphiphilic and Thermoresponsive Polysilsesquioxane through Ring Opening Reaction of Succinimide Group. KOBUNSHI RONBUNSHU 2015. [DOI: 10.1295/koron.2014-0033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kei NAGAFUCHI
- Department of Applied Chemistry, National Defense Academy
| | | | | | - Osamu MORIYA
- Department of Applied Chemistry, National Defense Academy
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24
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Muntimadugu E, Jain A, Khan W. Stimuli Responsive Carriers: Magnetically, Thermally and pH Assisted Drug Delivery. ADVANCES IN DELIVERY SCIENCE AND TECHNOLOGY 2015. [DOI: 10.1007/978-3-319-11355-5_10] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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25
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Kesharwani P, Iyer AK. Recent advances in dendrimer-based nanovectors for tumor-targeted drug and gene delivery. Drug Discov Today 2014; 20:536-47. [PMID: 25555748 DOI: 10.1016/j.drudis.2014.12.012] [Citation(s) in RCA: 222] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 11/24/2014] [Accepted: 12/22/2014] [Indexed: 01/09/2023]
Abstract
Advances in the application of nanotechnology in medicine have given rise to multifunctional smart nanocarriers that can be engineered with tunable physicochemical characteristics to deliver one or more therapeutic agent(s) safely and selectively to cancer cells, including intracellular organelle-specific targeting. Dendrimers having properties resembling biomolecules, with well-defined 3D nanopolymeric architectures, are emerging as a highly attractive class of drug and gene delivery vector. The presence of numerous peripheral functional groups on hyperbranched dendrimers affords efficient conjugation of targeting ligands and biomarkers that can recognize and bind to receptors overexpressed on cancer cells for tumor-cell-specific delivery. The present review compiles the recent advances in dendrimer-mediated drug and gene delivery to tumors by passive and active targeting principles with illustrative examples.
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Affiliation(s)
- Prashant Kesharwani
- Use-inspired Biomaterials and Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA
| | - Arun K Iyer
- Use-inspired Biomaterials and Integrated Nano Delivery (U-BiND) Systems Laboratory, Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA.
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26
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Kalhapure RS, Suleman N, Mocktar C, Seedat N, Govender T. Nanoengineered drug delivery systems for enhancing antibiotic therapy. J Pharm Sci 2014; 104:872-905. [PMID: 25546108 DOI: 10.1002/jps.24298] [Citation(s) in RCA: 125] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 11/07/2014] [Accepted: 11/07/2014] [Indexed: 12/12/2022]
Abstract
Formulation scientists are recognizing nanoengineered drug delivery systems as an effective strategy to overcome limitations associated with antibiotic drug therapy. Antibiotics encapsulated into nanodelivery systems will contribute to improved management of patients with various infectious diseases and to overcoming the serious global burden of antibiotic resistance. An extensive review of several antibiotic-loaded nanocarriers that have been formulated to target drugs to infectious sites, achieve controlled drug release profiles, and address formulation challenges, such as low-drug entrapment efficiencies, poor solubility and stability is presented in this paper. The physicochemical properties and the in vitro/in vivo performances of various antibiotic-loaded delivery systems, such as polymeric nanoparticles, micelles, dendrimers, liposomes, solid lipid nanoparticles, lipid-polymer hybrid nanoparticles, nanohybirds, nanofibers/scaffolds, nanosheets, nanoplexes, and nanotubes/horn/rods and nanoemulsions, are highlighted and evaluated. Future studies that will be essential to optimize formulation and commercialization of these antibiotic-loaded nanosystems are also identified. The review presented emphasizes the significant formulation progress achieved and potential that novel nanoengineered antibiotic drug delivery systems have for enhancing the treatment of patients with a range of infections.
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Affiliation(s)
- Rahul S Kalhapure
- Discipline of Pharmaceutical Sciences, School of Health Sciences, University of KwaZulu-Natal, Durban, 4000, South Africa
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27
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Facile Synthesis of Intelligent Polymers Modified Gold Nanoparticles in Aqueous Solution. J Inorg Organomet Polym Mater 2014. [DOI: 10.1007/s10904-014-0146-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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28
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Li L, Wang Y, Ji F, Wen Y, Li J, Yang B, Yao F. Synthesis and characterization of dendritic star-shaped zwitterionic polymers as novel anticancer drug delivery carriers. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2014; 25:1641-57. [PMID: 25025700 DOI: 10.1080/09205063.2014.936994] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
In this work, a novel dendritic star-shaped zwitterionic polymer, polyamidoamine-graft-poly[3-dimethyl (methacryloyloxyethyl) ammonium propanesulfonate] (PAMAM-g-PDMAPS), was synthesized. PAMAM dendrimers (generation 2, G2) were firstly prepared and then converted into the PAMAM-Br macroinitiator with 2-bromoisobutyryl bromide for ATRP. Finally, ATRP of zwitterionic DMAPS was carried out to obtain the dendritic star-shaped polymers PAMAM-g-PDMAPS with different PDMAPS chain lengths. Fourier transform-infrared spectroscopy, (1)H NMR, dynamic laser light scattering (DLS), and TEM were used to characterize the polymers. Encapsulation of adriamycin (ADR) by PAMAM-g-PDMAPS nanoparticles and ADR release behavior from ADR-loaded PAMAM-g-PDMAPS nanoparticles were investigated in detail. PAMAM-g-PDMAPS polymers, even starting from low-generation PAMAM core (G2), were found to show high loading efficiency for ADR because ADR existed not only within G2 PAMAM cores but also in PDMAPS layers. The release profile of ADR from ADR-loaded PAMAM-g-PDMAPS nanoparticles was pH-sensitive and could be controlled by the length of PDMAPS chains. Cell viability studies indicated that ADR-loaded PAMAM-g-PDMAPS could effectively restrain the growth of HepG2 cells and even kill them, whereas PAMAM-g-PDMAPS exhibited nontoxicity. All these results demonstrated that dendritic star-shaped zwitterionic polymers PAMAM-g-PDMAPS are attractive candidates as anticancer drug delivery carriers.
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Affiliation(s)
- Lina Li
- a School of Chemical Engineering and Technology , Tianjin University , Tianjin 300072 , China
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29
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Kono K, Takeda K, Li X, Yuba E, Harada A, Ozaki T, Mori S. Dually functionalized dendrimers by temperature-sensitive surface modification and gold nanoparticle loading for biomedical application. RSC Adv 2014. [DOI: 10.1039/c4ra03947e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Stimuli-sensitive dendrimers of a new type were developed through dual functionalization of polyamidoamine (PAMAM) dendrimers with temperature-sensitive surface modification using propoxy diethylene glycol (PDEG) and Au nanoparticle (AuNP) loading.
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Affiliation(s)
- Kenji Kono
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai, Japan
| | - Keishi Takeda
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai, Japan
| | - Xiaojie Li
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai, Japan
| | - Eiji Yuba
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai, Japan
| | - Atsushi Harada
- Department of Applied Chemistry
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai, Japan
| | - Tomoatsu Ozaki
- Department of Materials Science
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai, Japan
| | - Shigeo Mori
- Department of Materials Science
- Graduate School of Engineering
- Osaka Prefecture University
- Sakai, Japan
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30
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Guo Y, Zhao Y, Zhao J, Han M, Zhang A, Wang X. Codendrimer from polyamidoamine (PAMAM) and oligoethylene dendron as a thermosensitive drug carrier. Bioconjug Chem 2013; 25:24-31. [PMID: 24295126 DOI: 10.1021/bc300560p] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The efficient synthesis of codendrimer PAMAM-co-OEG (PAG) and its properties in aqueous solution, including particle size and thermosensitivity, are described. PAG is synthesized with well-defined structure through the "attach to" route. In the aqueous solutions, PAG forms unimer and multimolecular aggregates with the respective particle sizes of approximately 8 and 200 nm, depending on the concentration. PAG shows thermosensitive behavior with sharp and fast transition, and the lower critical solution temperature is 38.2 °C. The suitability of codendrimer PAG as the thermosensitive carrier is evaluated with methotrexate (MTX) as the model drug. MTX is encapsulated in PAG with the drug-loading capacity of 39%, among which 30% of MTX is encapsulated in PAMAM core. The release behavior of MTX mediated by temperature is investigated with focus on the effects around the LCST of PAG.
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Affiliation(s)
- Yifei Guo
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College , 151 Malianwa North Road, Beijing 100193, P. R. China
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31
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Kalhapure RS, Kathiravan MK, Akamanchi KG, Govender T. Dendrimers - from organic synthesis to pharmaceutical applications: an update. Pharm Dev Technol 2013; 20:22-40. [PMID: 24299011 DOI: 10.3109/10837450.2013.862264] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Dendrimers are a relatively new class of monodisperse polymers, which have tree-like spherical structures with well-defined sizes and shapes. Their unique structure has a significant impact on their physical and chemical properties. Research on dendrimers is of significant interest to scientists from all areas and their utility in various scientific fields, including pharmaceuticals, is expanding. The present review is comprehensive and covers different aspects of dendrimers viz. (1) synthesis, (2) properties and (3) pharmaceutical applications. The emphasis is on their applications as well as the current ongoing research status for drug targeting.
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Affiliation(s)
- Rahul S Kalhapure
- Discipline of Pharmaceutical Sciences, School of Health Sciences, University of KwaZulu-Natal , Durban , South Africa and
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32
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Bhardwaj A, Kumar L, Mehta S, Mehta A. Stimuli-sensitive Systems-an emerging delivery system for drugs. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2013. [DOI: 10.3109/21691401.2013.856016] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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33
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Li X, Haba Y, Ochi K, Yuba E, Harada A, Kono K. PAMAM Dendrimers with an Oxyethylene Unit-Enriched Surface as Biocompatible Temperature-Sensitive Dendrimers. Bioconjug Chem 2013; 24:282-90. [DOI: 10.1021/bc300190v] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Xiaojie Li
- Department
of Applied Chemistry, Graduate School of
Engineering, Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Yasuhiro Haba
- Department
of Applied Chemistry, Graduate School of
Engineering, Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Kanako Ochi
- Department
of Applied Chemistry, Graduate School of
Engineering, Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Eiji Yuba
- Department
of Applied Chemistry, Graduate School of
Engineering, Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Atsushi Harada
- Department
of Applied Chemistry, Graduate School of
Engineering, Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
| | - Kenji Kono
- Department
of Applied Chemistry, Graduate School of
Engineering, Osaka Prefecture University 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan
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34
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Chen J, Liu M, Gong H, Cui G, Lü S, Gao C, Huang F, Chen T, Zhang X, Liu Z. Synthesis of linear amphiphilic tetrablock quaterpolymers with dual stimulus response through the combination of ATRP and RAFT by a click chemistry site transformation approach. Polym Chem 2013. [DOI: 10.1039/c2py20946b] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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35
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Devadasu VR, Bhardwaj V, Kumar MNVR. Can controversial nanotechnology promise drug delivery? Chem Rev 2012; 113:1686-735. [PMID: 23276295 DOI: 10.1021/cr300047q] [Citation(s) in RCA: 159] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Venkat Ratnam Devadasu
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow G4 0RE, United Kingdom
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36
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Shen W, Xing M, Zhang Z, Zhang W, Cheng Z, Zhu J. Synthesis of Amphiphilic Azobenzene Functionalized Branched-Type Copolymer Based on Branched Poly(2-(Dimethylamino) ethyl methacrylate) and Investigation of Its Drug Release Properties. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2012. [DOI: 10.1080/10601325.2012.714675] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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37
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Dendrimer-based bionanomaterials produced by surface modification, assembly and hybrid formation. Polym J 2012. [DOI: 10.1038/pj.2012.39] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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38
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Jin Y, Ren X, Wang W, Ke L, Ning E, Du L, Bradshaw J. A 5-fluorouracil-loaded pH-responsive dendrimer nanocarrier for tumor targeting. Int J Pharm 2011; 420:378-84. [DOI: 10.1016/j.ijpharm.2011.08.053] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Revised: 08/09/2011] [Accepted: 08/31/2011] [Indexed: 12/20/2022]
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39
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Libera M, Wałach W, Trzebicka B, Rangelov S, Dworak A. Thermosensitive dendritic stars of tert-butyl-glycidylether and glycidol – Synthesis and encapsulation properties. POLYMER 2011. [DOI: 10.1016/j.polymer.2011.06.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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40
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Kowalczuk A, Kronek J, Bosowska K, Trzebicka B, Dworak A. Star poly(2-ethyl-2-oxazoline)s-synthesis and thermosensitivity. POLYM INT 2011. [DOI: 10.1002/pi.3103] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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41
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Zhu W, Nese A, Matyjaszewski K. Thermoresponsive star triblock copolymers by combination of ROP and ATRP: From micelles to hydrogels. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/pola.24611] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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42
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Zhang H, Sun B, Chen Y, Wang J. Synthesis of Y-shaped poly(N
,N
-dimethylamino-2-ethyl methacrylate) and poly(trimethylene carbonate) from a new heterofunctional initiator. POLYM ENG SCI 2011. [DOI: 10.1002/pen.21883] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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43
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You JO, Almeda D, Ye GJC, Auguste DT. Bioresponsive matrices in drug delivery. J Biol Eng 2010; 4:15. [PMID: 21114841 PMCID: PMC3002303 DOI: 10.1186/1754-1611-4-15] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2010] [Accepted: 11/29/2010] [Indexed: 02/10/2023] Open
Abstract
For years, the field of drug delivery has focused on (1) controlling the release of a therapeutic and (2) targeting the therapeutic to a specific cell type. These research endeavors have concentrated mainly on the development of new degradable polymers and molecule-labeled drug delivery vehicles. Recent interest in biomaterials that respond to their environment have opened new methods to trigger the release of drugs and localize the therapeutic within a particular site. These novel biomaterials, usually termed "smart" or "intelligent", are able to deliver a therapeutic agent based on either environmental cues or a remote stimulus. Stimuli-responsive materials could potentially elicit a therapeutically effective dose without adverse side effects. Polymers responding to different stimuli, such as pH, light, temperature, ultrasound, magnetism, or biomolecules have been investigated as potential drug delivery vehicles. This review describes the most recent advances in "smart" drug delivery systems that respond to one or multiple stimuli.
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Affiliation(s)
- Jin-Oh You
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
| | - Dariela Almeda
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
| | - George JC Ye
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
| | - Debra T Auguste
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA
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44
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Zhao Y, Liu S, Jiang W, Chang Y, Li Y, Fang X, Wang J. Synthesis and photoluminescence study of di-dendron dendrimers derived from mono-Boc-protected ethylenediamine cores. LUMINESCENCE 2010; 26:264-70. [PMID: 20641045 DOI: 10.1002/bio.1223] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2010] [Revised: 04/06/2010] [Accepted: 05/19/2010] [Indexed: 11/11/2022]
Abstract
This work is focused on the synthesis and optical properties of cone-shaped structural feature di-dendron polyamidoamine dendrimers up to the third generation with mono-Boc-protected ethylenediamine (EDA) as a core. Strong UV absorbance spectra and fluorescence spectra from di-dendron dendrimers with different terminal groups (-NH(2), -COOCH(3)) were studied under different conditions by varying experimental parameters such as concentration and pH. The optical density and fluorescence intensities increased when di-dendron dendrimers generation number increased from 0.5 to 3.0. It was confirmed that the concentration of di-dendron dendrimers plays an important role in fluorescence intensity. The increase in fluorescence intensity was linear in low concentration regions, but the intensity increased slowly in high concentration regions. The results also showed a rapid increase in fluorescence intensity at low pH. The formation of a fluorescence-emitting moiety had a close relationship to protonated tertiary amine groups in di-dendron dendrimers derived from mono-Boc-protected EDA cores. Furthermore, the formation of fluorescent chemical species was irreversible.
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Affiliation(s)
- Yili Zhao
- Alan G. MacDiarmid Institute of Jilin University, Changchun, China
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45
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Ma L, Liu R, Tan J, Wang D, Jin X, Kang H, Wu M, Huang Y. Self-assembly and dual-stimuli sensitivities of hydroxypropylcellulose-graft-poly(N,N-dimethyl aminoethyl methacrylate) copolymers in aqueous solution. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:8697-8703. [PMID: 20128613 DOI: 10.1021/la904431z] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The self-assembly and pH- and thermo-sensitivities properties of hydroxypropyl cellulose-graft-poly(N,N-dimethyl aminoethyl methacrylate) (HPC-g-PDMAEMA) copolymers in aqueous solutions were investigated by transmittance, dynamic light scattering (DLS), and (1)H NMR spectroscopy. Micelles with different structure can be formed by varying either pH value or temperature. At low pH, e.g., 3.0, the HPC backbone of the copolymer collapse to form the core of micelles stabilized with protonated PDMAEMA side chains on the surface of the micelles upon heating. At the medium pH, e.g., 8.1, both HPC backbone and PDMAEMA side chains collapse upon heating to form unstable aggregates. At high pH, e.g., 12.3, PDMAEMA side chains collapse first to form the core of micelles stabilized with HPC chains upon heating. Further heating the copolymer solution at this pH leads to the aggregation of the micelles due to the collapse of the shell HPC chains. The thermal sensitivity of the HPC-g-PDMAEMA copolymers is reversible.
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Affiliation(s)
- Lin Ma
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
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46
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Temperature- and pH-responsive star amphiphilic block copolymer prepared by a combining strategy of ring-opening polymerization and reversible addition–fragmentation transfer polymerization. Eur Polym J 2010. [DOI: 10.1016/j.eurpolymj.2010.03.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Tian W, Fan X, Kong J, Liu Y, Liu T, Huang Y. Novel supramolecular system of amphiphilic hyperbranched polymer with β-cyclodextrin and hyperbranched topography cavities: Synthesis and selective encapsulation. POLYMER 2010. [DOI: 10.1016/j.polymer.2010.04.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Luo YL, Yuan JF, Liu XJ, Hui Xie, Gao QY. Self-assembled Polyion Complex Micelles based on PVP-b-PAMPS and PVP-b-PDMAEMA for Drug Delivery. J BIOACT COMPAT POL 2010. [DOI: 10.1177/0883911510362459] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The double hydrophilic block copolymer, poly(N-vinylpyrrolidone)-block-poly(2-acrylamido-2-methyl-1-propanesulfonic acid), was synthesized by reversible addition-fragmentation chain transfer RAFT polymerization. Gel permeation chromatography, 1H-NMR, and FTIR were used to determine the structure and composition. In aqueous media, this block copolymer spontaneously forms polyion complex (PIC) micelles with an oppositely charged block copolymer, poly(N-vinylpyrrolidone)-block-poly(N, N-dimethylaminoethyl methacrylate). Dynamic light scattering and transmission electron micrograph showed that the micelles were <200 nm in diameter and had a narrow single distribution. The release profiles of folic acid, incorporated into the micelles, showed remarkable pH responsive behavior. The PIC micelles exhibited good biocompatibility based on MTT assay with human embryonic kidney (HEK293) cells. These PIC micelles have the potential as pH-sensitive carriers for drug delivery.
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Affiliation(s)
- Ya-Li Luo
- Institute of Fine Chemical and Engineering, Henan University Kaifeng, Henan 475001, People's Republic of China
| | - Jin-Fang Yuan
- Institute of Fine Chemical and Engineering, Henan University Kaifeng, Henan 475001, People's Republic of China
| | - Xue-Jun Liu
- Institute of Fine Chemical and Engineering, Henan University Kaifeng, Henan 475001, People's Republic of China
| | - Hui Xie
- Institute of Fine Chemical and Engineering, Henan University Kaifeng, Henan 475001, People's Republic of China
| | - Qing-Yu Gao
- Institute of Fine Chemical and Engineering, Henan University Kaifeng, Henan 475001, People's Republic of China,
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MORIYA O, MATSUOKA T, YAMAMOTO SI, KASHIO M, SUGIZAKI T. Multi-Functionalized Thermoresponsive Polysilsesquioxanes Having an Ethoxyethylamide Group. KOBUNSHI RONBUNSHU 2010. [DOI: 10.1295/koron.67.288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Photoresponsive nanocarriers based on PAMAM dendrimers with a o
-nitrobenzyl shell. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/pola.23757] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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