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Sajid I, Hassan A, Begum R, Zhou S, Irfan A, Chaudhry AR, Farooqi ZH. Yolk-shell smart polymer microgels and their hybrids: fundamentals and applications. RSC Adv 2024; 14:8409-8433. [PMID: 38476178 PMCID: PMC10929002 DOI: 10.1039/d4ra00035h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
Yolk-shell microgels and their hybrids have attained great importance in modern-day research owing to their captivating features and potential uses. This manuscript provides the strategies for preparation, classification, properties and current applications of yolk-shell microgels and their hybrids. Some of the yolk-shell microgels and their hybrids are identified as smart polymer yolk-shell microgels and smart hybrid microgels, respectively, as they react to changes in particular environmental stimuli such as pH, temperature and ionic strength of the medium. This unique behavior makes them a perfect candidate for utilization in drug delivery, selective catalysis, adsorption of metal ions, nanoreactors and many other fields. This review demonstrates the contemporary progress along with suggestions and future perspectives for further research in this specific field.
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Affiliation(s)
- Iqra Sajid
- School of Chemistry, University of the Punjab New Campus Lahore 54590 Pakistan +92-42-9231269 +92-42-9230463 ext. 817
| | - Ahmad Hassan
- School of Chemistry, University of the Punjab New Campus Lahore 54590 Pakistan +92-42-9231269 +92-42-9230463 ext. 817
| | - Robina Begum
- School of Chemistry, University of the Punjab New Campus Lahore 54590 Pakistan +92-42-9231269 +92-42-9230463 ext. 817
| | - Shuiqin Zhou
- Department of Chemistry of The College of Staten Island, PhD Program in Chemistry of The Graduate Centre, The City University of New York 2800 Victory Boulevard, Staten Island NY 10314 USA
| | - Ahmad Irfan
- Department of Chemistry, College of Science, King Khalid University P. O. Box 9004 Abha 61413 Saudi Arabia
| | - Aijaz Rasool Chaudhry
- Department of Physics, College of Science, University of Bisha P. O. Box 551, Bisha 61922 Saudi Arabia
| | - Zahoor H Farooqi
- School of Chemistry, University of the Punjab New Campus Lahore 54590 Pakistan +92-42-9231269 +92-42-9230463 ext. 817
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Salar Amoli M, Yang H, Anand R, EzEldeen M, Aktan MK, Braem A, Jacobs R, Bloemen V. Development and characterization of colloidal pNIPAM-methylcellulose microgels with potential application for drug delivery in dentoalveolar tissue engineering strategies. Int J Biol Macromol 2024; 262:129684. [PMID: 38307741 DOI: 10.1016/j.ijbiomac.2024.129684] [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: 06/27/2023] [Revised: 12/28/2023] [Accepted: 01/21/2024] [Indexed: 02/04/2024]
Abstract
Incorporation of growth factors, signaling molecules and drugs can be vital for the success of tissue engineering in complex structures such as the dentoalveolar region. This has led to the development of a variety of drug release systems. This study aimed to develop pNIPAM-methylcellulose microgels with different synthesis parameters based on a 23 full factorial design of experiments for this application. Microgel properties, including volume phase transition temperature (VPTT), hydrodynamic size, drug loading and release, and cytocompatibility were systematically evaluated. The results demonstrated successful copolymerization and development of the microgels, a hydrodynamic size ranging from ∼200 to ∼500 nm, and VPTT in the range of 34-39 °C. Furthermore, loading of genipin, capable of inducing odontoblastic differentiation, and its sustained release over a week was shown in all formulations. Together, this can serve as a solid basis for the development of tunable drug-delivering pNIPAM-methylcellulose microgels for specific tissue engineering applications.
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Affiliation(s)
- Mehdi Salar Amoli
- Surface and Interface Engineered Materials (SIEM), Campus Group T, KU Leuven, Andreas Vesaliusstraat 13, 3000 Leuven, Belgium; OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium; Biomaterials and Tissue Engineering Research Group, Department of Materials Engineering (MTM), KU Leuven, Kasteelpark Arenberg 44 - box 2450, B-3001 Leuven, Belgium
| | - Huimin Yang
- Surface and Interface Engineered Materials (SIEM), Campus Group T, KU Leuven, Andreas Vesaliusstraat 13, 3000 Leuven, Belgium
| | - Resmi Anand
- Surface and Interface Engineered Materials (SIEM), Campus Group T, KU Leuven, Andreas Vesaliusstraat 13, 3000 Leuven, Belgium; Prometheus, Division of Skeletal Tissue Engineering Leuven, KU Leuven, Leuven, Belgium
| | - Mostafa EzEldeen
- OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium; Department of Oral Health Sciences, KU Leuven and Paediatric Dentistry and Special Dental Care, University Hospitals Leuven, Kapucijnenvoer 33, 3000 Leuven, Belgium
| | - Merve Kübra Aktan
- Biomaterials and Tissue Engineering Research Group, Department of Materials Engineering (MTM), KU Leuven, Kasteelpark Arenberg 44 - box 2450, B-3001 Leuven, Belgium
| | - Annabel Braem
- Biomaterials and Tissue Engineering Research Group, Department of Materials Engineering (MTM), KU Leuven, Kasteelpark Arenberg 44 - box 2450, B-3001 Leuven, Belgium
| | - Reinhilde Jacobs
- OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Kapucijnenvoer 7, 3000 Leuven, Belgium; Department of Dental Medicine, Karolinska Institutet, SE-171 77 Stockholm, Sweden
| | - Veerle Bloemen
- Surface and Interface Engineered Materials (SIEM), Campus Group T, KU Leuven, Andreas Vesaliusstraat 13, 3000 Leuven, Belgium; Biomaterials and Tissue Engineering Research Group, Department of Materials Engineering (MTM), KU Leuven, Kasteelpark Arenberg 44 - box 2450, B-3001 Leuven, Belgium; Prometheus, Division of Skeletal Tissue Engineering Leuven, KU Leuven, Leuven, Belgium.
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Ghalehkhondabi V, Fazlali A, Soleymani M. Temperature and pH-responsive PNIPAM@PAA Nanospheres with a Core-Shell Structure for Controlled Release of Doxorubicin in Breast Cancer Treatment. J Pharm Sci 2023; 112:1957-1966. [PMID: 37076101 DOI: 10.1016/j.xphs.2023.04.009] [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: 01/27/2023] [Revised: 04/13/2023] [Accepted: 04/13/2023] [Indexed: 04/21/2023]
Abstract
Stimuli-responsive polymers have been of great interest in the fabrication of advanced drug delivery systems. In this study, a facile approach was developed to synthesize a dually temperature/pH-responsive drug delivery system with a core-shell structure to control the release of doxorubicin (DOX) at the target site. For this purpose, poly(acrylic acid) (PAA) nanospheres were first synthesized using the precipitation polymerization technique and were used as pH-responsive polymeric cores. Then, poly(N-isopropylacrylamide) (PNIPAM) with thermo-responsivity properties was coated on the outer surface of PAA cores via seed emulsion polymerization technique to render monodisperse PNIPAM-coated PAA (PNIPAM@PAA) nanospheres. The optimized PNIPAM@PAA nanospheres with an average particle size of 116.8 nm (PDI= 0.243), had a high negative surface charge (zeta potential= -47.6 mV). Then, DOX was loaded on PNIPAM@PAA nanospheres and the entrapment efficiency (EE) and drug loading (DL) capacity were measured to be 92.7% and 18.5%, respectively. The drug-loaded nanospheres exhibited a low leakage at neutral pH and physiological temperature, but drug release significantly enhanced at acidic pH (pH= 5.5), indicating the tumor-environment responsive drug release behavior of the prepared nanospheres. Also, kinetics studies showed that, the sustained release of DOX from PNIPAM@PAA nanospheres was consistent with the Fickian diffusion mechanism. Moreover, the anticancer efficacy of DOX-loaded nanospheres was evaluated in vitro against MCF-7 breast cancer cells. The obtained results revealed that, the incorporation of DOX into PNIPAM@PAA nanospheres increases its cytotoxicity against cancer cells compared to the free DOX. Our results suggest that, PNIPAM@PAA nanospheres can be considered as a promising vector to release anticancer drugs with dual-stimuli responsivity to pH and temperature.
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Affiliation(s)
- Vahab Ghalehkhondabi
- Department of Chemical Engineering, Faculty of Engineering, Arak University, 38156-88349, Arak, Iran; Research Institute of Advanced Technologies, Arak University, Arak 38156-88349, Iran
| | - Alireza Fazlali
- Department of Chemical Engineering, Faculty of Engineering, Arak University, 38156-88349, Arak, Iran; Research Institute of Advanced Technologies, Arak University, Arak 38156-88349, Iran
| | - Meysam Soleymani
- Department of Chemical Engineering, Faculty of Engineering, Arak University, 38156-88349, Arak, Iran; Research Institute of Advanced Technologies, Arak University, Arak 38156-88349, Iran.
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Dos Apostolos RCR, Andrada ADS, Oliveira AF, Neto ESF, de Sousa EMB. pH-Sensitive Hybrid System Based on Eu 3+/Gd 3+ Co-Doped Hydroxyapatite and Mesoporous Silica Designed for Theranostic Applications. Polymers (Basel) 2023; 15:2681. [PMID: 37376326 DOI: 10.3390/polym15122681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/06/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
Nanomaterials such as pH-responsive polymers are promising for targeted drug delivery systems, due to the difference in pH between tumor and healthy regions. However, there is a significant concern about the application of these materials in this field due to their low mechanical resistance, which can be attenuated by combining these polymers with mechanically resistant inorganic materials such as mesoporous silica nanoparticles (MSN) and hydroxyapatite (HA). Mesoporous silica has interesting properties such as high surface area and hydroxyapatite has been widely studied to aid in bone regeneration, providing special properties adding multifunctionality to the system. Furthermore, fields of medicine involving luminescent elements such as rare earth elements are an interesting option in cancer treatment. The present work aims to obtain a pH-sensitive hybrid system based on silica and hydroxyapatite with photoluminescent and magnetic properties. The nanocomposites were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), nitrogen adsorption methods, CHN elemental analysis, Zeta Potential, scanning electron microscopy (SEM), and transmission electron microscopy (TEM), vibrational sample magnetometry (VSM), and photoluminescence analysis. Incorporation and release studies of the antitumor drug doxorubicin were performed to evaluate the potential use of these systems in targeted drug delivery. The results showed the luminescent and magnetic properties of the materials and showed suitable characteristics for application in the release of pH-sensitive drugs.
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Affiliation(s)
| | - Andreza de Sousa Andrada
- Laboratório Interdisciplinar de Materiais Compósitos e Poliméricos (LIMCOP), Instituto de Engenharias Integradas (IEI) da Universidade Federal de Itajubá, Federal University of Itajubá-UNIFEI, Rua Irmã Ivone Drumond, 200-Campus Itabira, Itabira 35903-087, MG, Brazil
| | - André Felipe Oliveira
- Development Center of Nuclear Technology-CDTN, Avenida Presidente Antônio Carlos, 6.627-Campus UFMG, Belo Horizonte 31270-901, MG, Brazil
| | - Ernesto Soares Freitas Neto
- Laboratório Interdisciplinar de Materiais Compósitos e Poliméricos (LIMCOP), Instituto de Engenharias Integradas (IEI) da Universidade Federal de Itajubá, Federal University of Itajubá-UNIFEI, Rua Irmã Ivone Drumond, 200-Campus Itabira, Itabira 35903-087, MG, Brazil
| | - Edésia Martins Barros de Sousa
- Development Center of Nuclear Technology-CDTN, Avenida Presidente Antônio Carlos, 6.627-Campus UFMG, Belo Horizonte 31270-901, MG, Brazil
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Lin YS, Lin KS, Mdlovu NV, Kung PY, Jeng US. Thermal-/pH-triggered hollow mesoporous carbon nanocarrier for NIR-responsive drug release. BIOMATERIALS ADVANCES 2023; 151:213477. [PMID: 37244029 DOI: 10.1016/j.bioadv.2023.213477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 05/01/2023] [Accepted: 05/13/2023] [Indexed: 05/29/2023]
Abstract
Intelligent drug-delivery systems are considered one of the most important techniques for improving cancer treatment using existing over-the-counter medicines. However, metallic materials are always accompanied by metabolism problems, whereas chemotherapy produces several side effects in humans. Carbon-based materials exhibit exceptional features such as bio-affinity and bio-degradability. Herein, hollow mesoporous carbon nanoparticles (HMCs) are reported as effective nanocarriers of anti-cancer small drug molecules. Near IR (NIR) sources, which can penetrate most organs, induce thermal effects via non-invasive pathways. NIR radiation not only provides thermal therapy but also is compatible with temperature-sensitive coated responsive polymer shells. The template method was used to synthesize HMCs with size 200 ± 50 nm, under various conditions, to obtain suitably sized and hollow structures for liver-cancer treatment. Additional pH/thermal-bi-responsive poly(N-isopropylacrylamide) (PNIPAM) shells were further coated onto the HMCs to produce multiple shells that could trigger swelling motions in PNIPAM@HMCs, as confirmed via small-angle X-ray scattering (SAXS). NIR results demonstrated an extreme increase to the ∆T of 8.7 and 14.2 °C for HMC and PNIPAM@HMCs, respectively. The SAXS spectra analyzed using SasView simulations demonstrated the multi-shell structures of synthesized HMCs and the release mechanism of PNIPAM@HMCs. Based on the model simulation of SAXS, the different rates of polymer swelling indicated the core shrinkage (229.7 to 134.2 Å) and shell expansion (324.3 to 514.3 Å) at 37 °C and 42 °C, respectively. In addition, the first-order, Higuchi, Korsmeyer-Peppas, and Weibull mathematical models were used to verify the drug-release kinetics, and the model with the highest R2 value was considered most suitable for further application. This paper presents the first SAXS study on PNIPAM@HMCs release kinetics and related mechanisms. This phenomenon indicates NIR-induced PNIPAM@HMCs as an effective strategy for cancer treatment via doxorubicin release.
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Affiliation(s)
- You-Sheng Lin
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li District, Taoyuan City 32003, Taiwan
| | - Kuen-Song Lin
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li District, Taoyuan City 32003, Taiwan.
| | - Ndumiso Vukile Mdlovu
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li District, Taoyuan City 32003, Taiwan
| | - Ping-Yu Kung
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li District, Taoyuan City 32003, Taiwan
| | - U-Ser Jeng
- National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Science-based Industrial Park, Hsinchu 30077, Taiwan
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Ansari MJ, Rajendran RR, Mohanto S, Agarwal U, Panda K, Dhotre K, Manne R, Deepak A, Zafar A, Yasir M, Pramanik S. Poly( N-isopropylacrylamide)-Based Hydrogels for Biomedical Applications: A Review of the State-of-the-Art. Gels 2022; 8:454. [PMID: 35877539 PMCID: PMC9323937 DOI: 10.3390/gels8070454] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/08/2022] [Accepted: 07/08/2022] [Indexed: 12/21/2022] Open
Abstract
A prominent research topic in contemporary advanced functional materials science is the production of smart materials based on polymers that may independently adjust their physical and/or chemical characteristics when subjected to external stimuli. Smart hydrogels based on poly(N-isopropylacrylamide) (PNIPAM) demonstrate distinct thermoresponsive features close to a lower critical solution temperature (LCST) that enhance their capability in various biomedical applications such as drug delivery, tissue engineering, and wound dressings. Nevertheless, they have intrinsic shortcomings such as poor mechanical properties, limited loading capacity of actives, and poor biodegradability. Formulation of PNIPAM with diverse functional constituents to develop hydrogel composites is an efficient scheme to overcome these defects, which can significantly help for practicable application. This review reports on the latest developments in functional PNIPAM-based smart hydrogels for various biomedical applications. The first section describes the properties of PNIPAM-based hydrogels, followed by potential applications in diverse fields. Ultimately, this review summarizes the challenges and opportunities in this emerging area of research and development concerning this fascinating polymer-based system deep-rooted in chemistry and material science.
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Affiliation(s)
- Mohammad Javed Ansari
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Rahul R. Rajendran
- Department of Mechanical Engineering and Mechanics, Lehigh University, 19 Memorial Drive West, Bethlehem, PA 18015, USA;
| | - Sourav Mohanto
- Department of Pharmaceutics, Yenepoya Pharmacy College and Research Centre, Yenepoya (Deemed to be University), Mangalore 575018, Karnataka, India;
| | - Unnati Agarwal
- School of Bioengineering and Biosciences, Lovely Professional University, Jalandhar-Delhi, Grand Trunk Road, Phagwara 144001, Punjab, India;
| | - Kingshuk Panda
- Department of Applied Microbiology, Vellore Institute of Technology, School of Bioscience and Technology, Vellore 632014, Tamilnadu, India;
| | - Kishore Dhotre
- I.C.M.R.—National Institute of Virology, Pune 411021, Maharashtra, India;
| | - Ravi Manne
- Chemtex Environmental Lab, Quality Control and Assurance Department, 3082 25th Street, Port Arthur, TX 77642, USA;
| | - A. Deepak
- Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai 600124, Tamil Nadu, India;
| | - Ameeduzzafar Zafar
- Department of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia; or
| | - Mohd Yasir
- Department of Pharmacy, College of Health Science, Arsi University, Asella 396, Ethiopia;
| | - Sheersha Pramanik
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
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Hussain I, Shahid M, Ali F, Irfan A, Farooqi ZH, Begum R. Methacrylic acid based microgels and hybrid microgels. REV CHEM ENG 2022. [DOI: 10.1515/revce-2021-0075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Methacrylic acid based microgels have got much consideration in the last two decades because of their potential uses in different fields owing to their responsive behaviour towards external stimuli. Synthesis, properties and uses of methacrylic acid based microgels and their hybrids have been critically reviewed in this article. With minute change in external stimuli such as pH and ionic strength of medium, these microgels show quick swelling/deswelling reversibly. The methacrylic acid based microgels have been widely reported for applications in the area of nanotechnology, drug delivery, sensing and catalysis due to their responsive behaviour. A critical review of current research development in this field along with upcoming perception is presented here. This discussion is concluded with proposed probable future studies for additional growth in this field of research.
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Affiliation(s)
- Iftikhar Hussain
- School of Chemistry , University of the Punjab , New Campus , Lahore 54590 , Pakistan
| | - Muhammad Shahid
- School of Chemistry , University of the Punjab , New Campus , Lahore 54590 , Pakistan
| | - Faisal Ali
- School of Chemistry , University of the Punjab , New Campus , Lahore 54590 , Pakistan
- Department of Chemistry , The University of Lahore , 1-KM Defence road , Main Campus , Lahore 53700 , Pakistan
| | - Ahmad Irfan
- Research Center for Advanced Materials Science , King Khalid University , P.O. Box 9004 , Abha 61413 , Saudi Arabia
- Department of Chemistry, Faculty of Science , King Khalid University , P.O. Box 9004 , Abha 61413 , Saudi Arabia
| | - Zahoor H. Farooqi
- School of Chemistry , University of the Punjab , New Campus , Lahore 54590 , Pakistan
| | - Robina Begum
- School of Chemistry , University of the Punjab , New Campus , Lahore 54590 , Pakistan
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Quantifying How Drug-Polymer Interaction and Volume Phase Transition Modulate the Drug Release Kinetics from Core-Shell Microgels. Int J Pharm 2022; 622:121838. [PMID: 35597392 DOI: 10.1016/j.ijpharm.2022.121838] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 04/23/2022] [Accepted: 05/14/2022] [Indexed: 12/30/2022]
Abstract
This paper presents a simple experimental-informed theory describing the drug release process from a temperature-responsive core-shell microgel. In stark contrast to the commonly employed power-law models, we couple electric, hydrophobic, and steric factors to characterize the impact of drug-polymer pair interaction on the release kinetics. To this end, we also propose a characteristic time, depicting the drug release process as an interplay between kinetics and thermodynamics. In some instances, the negative correlation between the diffusivity and the (thermodynamics) drug-polymer interaction renders the drug release time non-trivial. In conclusion, our theory establishes a mechanistic understanding of the drug release process, exploring the effect of (hydrophobic adhesion) attractive and (steric exclusion) repulsive pair interactions between the drugs and the microgel in the presence of temperature-induced volume phase transition.
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Feng M, Kong X, Feng Y, Li X, Luo N, Zhang L, Du C, Wang D. A New Reversible Thermosensitive Liquid-Solid TENG Based on a P(NIPAM-MMA) Copolymer for Triboelectricity Regulation and Temperature Monitoring. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201442. [PMID: 35485306 DOI: 10.1002/smll.202201442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 03/22/2022] [Indexed: 06/14/2023]
Abstract
Intelligent and highly precise control of liquid-solid triboelectricity is of great significance for energy collection and electrostatic prevention. However, most of the traditional methods are irreversible and complex, greatly limiting their applicability. Here, a reversible thermosensitive liquid-solid triboelectric nanogenerator (L-S TENG) is assembled based on P(NIPAM-MMA) (PNM) copolymer for tunable triboelectrification. Through temperature regulation, the conformation between acylamino and isopropyl groups changes with the interfacial wettability and triboelectricity of PNM. When the temperature rises from 20 to 60 °C, the contact angle of PNM rises from 22.49° to 82.08°, and the output of the PNM-based L-S TENG shows a 27-fold increase. In addition, this transformation is reversible and repeatable with excellent durability for up to 60 days. Other organic liquids, such as glycol, exhibit positive response to temperature for this PNM-based L-S TENG. Polymers including polymethylmethacrylic, polytetrafluoroethylene, and polyimide are verified to not have such thermo-sensitivity properties. In addition, a droplet-based wireless warning system based on PNM is designed and actuated for monitoring specific temperature. The introduction of thermal PNM not only provides new material for reversible manipulation of L-S TENG, but also provides a new method for designing highly sensitive temperature warning sensors.
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Affiliation(s)
- Min Feng
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- Center of Materials Sciences and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xiang Kong
- Qingdao Center of Resource Chemistry and New Materials, Qingdao, 266100, P. R. China
| | - Yange Feng
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- Qingdao Center of Resource Chemistry and New Materials, Qingdao, 266100, P. R. China
| | - Xiaojuan Li
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- Center of Materials Sciences and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ning Luo
- Qingdao Center of Resource Chemistry and New Materials, Qingdao, 266100, P. R. China
| | - Liqiang Zhang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- Qingdao Center of Resource Chemistry and New Materials, Qingdao, 266100, P. R. China
| | - Changhe Du
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- Center of Materials Sciences and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Daoai Wang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- Qingdao Center of Resource Chemistry and New Materials, Qingdao, 266100, P. R. China
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Guerron A, Giasson S. Multiresponsive Microgels: Toward an Independent Tuning of Swelling and Surface Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:11212-11221. [PMID: 34523940 DOI: 10.1021/acs.langmuir.1c01269] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Dual-responsive poly-(N-isopropylacrylamide) (PNIPAM) microgels surface-functionalized with polyethylene glycol (PEG) or poly-2-dimethylaminoethyl methacrylate (PDMAEMA) were developed to enable the swelling behavior and surface properties of the microgels to be tuned independently. The thermo-triggered swelling and pH-triggered surface properties of the microgels were investigated in aqueous suspensions using dynamic light scattering and on substrates using the surface forces apparatus. Grafting polymer chains on the microgel surface did not impede the thermo-triggered swelling behavior of the microgels in suspensions and immobilized on substrates. An unprecedented decoupling of the swelling behavior and surface properties could be obtained. More particularly, the thermo-triggered swelling behavior of the PNIPAM underlying microstructure could be tuned below and above the phase transition temperature with no change in the surface potential and adhesion provided by the surface non-responsive PEG.
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Affiliation(s)
- Alberto Guerron
- Faculty of Pharmacy, Université de Montréal, C. P. 6128, Succursale Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Suzanne Giasson
- Faculty of Pharmacy, Université de Montréal, C. P. 6128, Succursale Centre-Ville, Montréal, Québec H3C 3J7, Canada
- Department of Chemistry, Université de Montréal, C. P. 6128, Succursale Centre-Ville, Montréal, Québec H3C 3J7, Canada
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Dirksen M, Kinder TA, Brändel T, Hellweg T. Temperature Controlled Loading and Release of the Anti-Inflammatory Drug Cannabidiol by Smart Microgels. Molecules 2021; 26:3181. [PMID: 34073361 PMCID: PMC8199058 DOI: 10.3390/molecules26113181] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/14/2021] [Accepted: 05/21/2021] [Indexed: 11/27/2022] Open
Abstract
CBD is a promising candidate for treatment of many diseases and plays a major role in the growing trend to produce high-end drugs from natural, renewable resources. In the present work, we demonstrate a way to incorporate the anti-inflammatory drug CBD into smart microgel particles. The copolymer microgels that we chose as carrier systems exhibit a volume phase transition temperature of 39 ∘C, which is just above normal body temperature and makes them ideal candidates for hyperthermia treatment. While a simple loading route of CBD was not successful due to the enormous hydrophobicity of CBD, an alternative route was developed by immersing the microgels in ethanol. Despite the expected loss of thermoresponsive behaviour of the microgel matrix due to the solvent exchange, a temperature-dependent release of CBD was detected by the material, creating an interesting question of interactions between CBD and the microgel particles in ethanol. Furthermore, the method developed for loading of the microgel particles with CBD in ethanol was further improved by a subsequent transfer of the loaded particles into water, which proves to be an even more promising approach due to the successful temperature-dependent release of the drug above the collapse temperature of the microgels.
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Affiliation(s)
- Maxim Dirksen
- Physical and Biophysical Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany; (M.D.); (T.B.)
| | | | - Timo Brändel
- Physical and Biophysical Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany; (M.D.); (T.B.)
- Daikin Chemical Europe GmbH, Am Wehrhahn 50, 40211 Düsseldorf, Germany
| | - Thomas Hellweg
- Physical and Biophysical Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany; (M.D.); (T.B.)
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Zhalechin M, Dehaghi SM, Najafi M, Moghimi A. Magnetic polymeric core-shell as a carrier for gradual release in-vitro test drug delivery. Heliyon 2021; 7:e06652. [PMID: 34027143 PMCID: PMC8121663 DOI: 10.1016/j.heliyon.2021.e06652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 09/07/2019] [Accepted: 10/01/2019] [Indexed: 11/06/2022] Open
Abstract
At first functionalized graphene oxide was selected as a basic substrate obtained through process of functionalization of graphene oxide with diethylenetriamine as substrates. Then magnetic nanoparticle sediments were formed and coated on the functionalized graphene oxide as the core center. The core nanoparticle was added to a gel containing poly (lactic-co-glycolic acid), polyethylene glycol, and polyvinylpyrrolidone and nilotinib drug for forming a shell on the core. After separation and freeze-drying, single core-shell particles were obtained. The second shell was coated by dispersing first core-shell in a new gel containing polylactic acid, polyvinyl alcohol, polyethylene glycol, and nilotinib. The third layer was laminated on core-dual shell particle by entering in sodium alginate, polyethylene glycol, poly (lactic-co-glycolic acid), polylactic acid and nilotinib gel according to the same method used above. In order to determine the gradual release, the core-single, dual and triple shell nanoparticles dispersed in phosphate buffer saline at the several pHs (3, 5.4, 7.4) and as well as monitoring the released concentration of nilotinib by UV-Vis spectrophotometer technique. Core-triple shell particle had gradual release at three different rates over the long time. Finally, the average release rate for 400 mg of drug, in single layer, double-layer and three layers were reported to be equal to 15.8, 10.4 and 6.6 mg/h at intervals of 24, 37 and 60 h, respectively. The release rate of the drug reduced by increasing the pH value. All products were characterized using several techniques.
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Affiliation(s)
- Maryam Zhalechin
- Department of Chemistry, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | | | - Mostafa Najafi
- Department of Chemistry, Faculty of Science, Imam Hossein University, Tehran, Iran
| | - Abolghasem Moghimi
- Department of Chemistry, Tehran North Branch, Islamic Azad University, Tehran, Iran
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13
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Pérez-Chávez NA, Albesa AG, Longo GS. Thermodynamic Theory of Multiresponsive Microgel Swelling. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02885] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Néstor A. Pérez-Chávez
- Instituto de Investigaciones Fisicoquímicas, Teóricas y Aplicadas (INIFTA), UNLP-CONICET, La Plata 1900, Argentina
| | - Alberto G. Albesa
- Instituto de Investigaciones Fisicoquímicas, Teóricas y Aplicadas (INIFTA), UNLP-CONICET, La Plata 1900, Argentina
| | - Gabriel S. Longo
- Instituto de Investigaciones Fisicoquímicas, Teóricas y Aplicadas (INIFTA), UNLP-CONICET, La Plata 1900, Argentina
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Singh R, Kumar B, Sahu RK, Kumari S, Jha CB, Singh N, Mathur R, Hedau ST. Development of a pH-sensitive functionalized metal organic framework: in vitro study for simultaneous delivery of doxorubicin and cyclophosphamide in breast cancer. RSC Adv 2021; 11:33723-33733. [PMID: 35497517 PMCID: PMC9042314 DOI: 10.1039/d1ra04591a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 10/09/2021] [Indexed: 01/10/2023] Open
Abstract
Exploration of an efficient dual-drug based nanocarrier with high drug loading capacity, specific targeting properties, and long-term stability is highly desirable in cancer therapy. Metal–organic frameworks (MOFs) have proven to be a promising class of drug carriers due to their high porosity, crystalline properties with defined structure information, and their potential for further functionalization. To enhance the drug efficacy as well as to overcome the burst effect of drugs, here we synthesized a pH responsive folic acid (FA) and graphene oxide (GO) decorated zeolitical imidazolate frameworks-8 (GO–FA/ZIF-8), for targeted delivery of doxorubicin (DOX) and cyclophosphamide (CP), simultaneously. In this system, DOX molecules were encapsulated in the pores of ZIF-8 during in situ synthesis of ZIF-8 and CP molecules have been captured by the GO surface via hydrogen bonding and π–π interactions as well. Furthermore, the resulting pH-responsive nanocarrier (DOX@ZIF-8/GO–FA/CP) showed in vitro sustained release characteristics (76% of DOX and 80% of CP) by cleavage of chemical bonding and disruption of the MOFs structure under acidic condition (at pH 5.6). Moreover, DOX@ZIF-8/GO–FA/CP has synergistic cytotoxic effects as compared to the combination of both the drugs without ZIF-8/GO–FA when treating MCF-7 and MDA-MB-231 breast cancer cell lines (with a combination index of 0.29 and 0.75 for MCF-7 and MDA-MB-231 cell-lines, respectively). Hence this system can be applied as an effective platform for smart dual drug delivery in breast cancer treatment through its remarkable manageable multidrug release. Exploration of an efficient dual-drug based nanocarrier with high drug loading capacity, specific targeting properties, and long-term stability is highly desirable in cancer therapy.![]()
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Affiliation(s)
- Ragini Singh
- Division of Molecular Oncology, ICMR-National Institute of Cancer Prevention and Research, I-7, Sector 39, Gautam Buddha Nagar, Noida-201301, U.P., India
| | - Binayak Kumar
- Division of Molecular Oncology, ICMR-National Institute of Cancer Prevention and Research, I-7, Sector 39, Gautam Buddha Nagar, Noida-201301, U.P., India
| | - Ram Krishna Sahu
- Division of Molecular Oncology, ICMR-National Institute of Cancer Prevention and Research, I-7, Sector 39, Gautam Buddha Nagar, Noida-201301, U.P., India
| | - Soni Kumari
- Division of Molecular Oncology, ICMR-National Institute of Cancer Prevention and Research, I-7, Sector 39, Gautam Buddha Nagar, Noida-201301, U.P., India
| | - Chandan Bhogendra Jha
- Division of Cyclotron and Radiopharmaceutical Sciences, Institute of Nuclear Medicine and Allied Sciences, Defense Research and Development Organization, Brig. S.K. Mazumdar Marg, Delhi 110054, India
| | - Nahar Singh
- CSIR-National Physical Laboratory, New Delhi 110012, India
| | - Rashi Mathur
- Division of Cyclotron and Radiopharmaceutical Sciences, Institute of Nuclear Medicine and Allied Sciences, Defense Research and Development Organization, Brig. S.K. Mazumdar Marg, Delhi 110054, India
| | - Suresh T. Hedau
- Division of Molecular Oncology, ICMR-National Institute of Cancer Prevention and Research, I-7, Sector 39, Gautam Buddha Nagar, Noida-201301, U.P., India
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Asghar K, Qasim M, Dharmapuri G, Das D. Thermoresponsive polymer gated and superparamagnetic nanoparticle embedded hollow mesoporous silica nanoparticles as smart multifunctional nanocarrier for targeted and controlled delivery of doxorubicin. NANOTECHNOLOGY 2020; 31:455604. [PMID: 32311684 DOI: 10.1088/1361-6528/ab8b0e] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The design and development of drug-delivery nanocarriers with high loading capacity, excellent biocompatibility, targeting ability and controllability have been the ultimate goal of the biomedical research community. In this work, we have reported the synthesis and characterization of novel and smart thermoresponsive polymer coated and Fe3O4 embedded hollow mesoporous silica (HmSiO2) based multifunctional superparamagnetic nanocarriers for the delivery of doxorubicin (Dox) for cancer treatment. P(NIPAM-MAm) coated and Fe3O4 nanoparticle (NP) embedded hollow mesoporous silica nanocomposite (HmSiO2-F-P(NIPAM-MAm)) was prepared by the in situ polymerization of NIPAM and MAm monomers on the surface of hollow mesoporous silica NPs (HmSiO2) in the presence of Fe3O4 NPs, oxidizer and crosslinker. TEM analysis showed nearly spherical morphology of HmSiO2-F-P(NIPAM-MAm) nanocarrier with a diameter in the range of 100-300 nm. The coating of P(NIPAM-MAm) layer and embedding of Fe3O4 NPs on the surface of the HmSiO2 NPs was revealed by HRTEM analysis. XRD and FTIR analysis also confirmed the presence of P(NIPAM-MAm) shells and Fe3O4 NPs on hollow mesoporous silica NPs. VSM analysis suggested the superparamagnetic nature of HmSiO2-F-P(NIPAM-MAm) nanocarrier. DSC analysis of HmSiO2-F-P(NIPAM-MAm) nanocarrier showed a phase transition at the temperature of ∼38 °C. The prepared HmSiO2-F-P(NIPAM-MAm) nanocarrier was investigated for its suitability for drug-delivery application using doxorubicin as the model drug by an in vitro method. The encapsulation efficiency and encapsulation capacity were found to be 95% and 6.8%, respectively. HmSiO2-F-P(NIPAM-MAm)-Dox has shown a pH and temperature-dependent Dox release profile. A relatively faster release of Dox from the nanocarrier was observed at temperature above the lower critical solution temperature (LCST) than below the LCST. HmSiO2-F-P(NIPAM-MAm) nanocarrier was found to be biocompatible in nature. In vitro cytotoxicity studies against Hela cells suggested that the HmSiO2-F-P(NIPAM-MAm)-Dox nanocomposite nanocarrier has good anticancer activity. In vitro cellular uptake study of HmSiO2-F-P(NIPAM-MAm)-Dox nanocomposite nanocarrier demonstrated its good internalisation ability into Hela cells. Thus, the prepared nanocomposites show potential as nanocarrier for targeted and controlled drug delivery for cancer treatment.
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Affiliation(s)
- Khushnuma Asghar
- School of Engineering Sciences and Technology, University of Hyderabad, Hyderabad 500046, India
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Tan N, Ji K, He D, Liao S, He L, Han J, Chen C, Liu Y. Research on a kind of biocompatible molecularly imprinted materials with silybin controlled release based on pH/temperature dual responses. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2019.104449] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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17
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Doña M, Ortega-Rodriguez A, Alarcón-Fernández C, López-Romero JM, Contreras-Cáceres R. Effect of the cross-linking density on the gold core oxidation in hybrid core@shell Au@pNIPAM and Janus Au@p4VP systems. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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18
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Wu Z, Duan M, Xiong D, Zhang CY. Mesoscale Simulations of pH-Responsive Amphiphilic Polymeric Micelles for Oral Drug Delivery. Pharmaceutics 2019; 11:pharmaceutics11120620. [PMID: 31757065 PMCID: PMC6956019 DOI: 10.3390/pharmaceutics11120620] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 11/17/2019] [Indexed: 11/16/2022] Open
Abstract
It is of great significance to study the structure property and self-assembly of amphiphilic block copolymer in order to effectively and efficiently design and prepare drug delivery systems. In this work, dissipative particle dynamics (DPD) simulation method was used to investigate the structure property and self-assembly ability of pH-responsive amphiphilic block copolymer poly(methyl methacrylate-co-methacrylic acid)-b-poly(aminoethyl methacrylate) (poly(MMA-co-MAA)-b-PAEMA). The effects of different block ratios (hydrophilic PAEMA segment and pH-sensitive PMAA segment) in copolymer on self-assembly and drug loading capacity including drug distribution were extensively investigated. The increase of hydrophilic PAEMA facilitated the formation of a typical core-shell structure as well as a hydrophobic PMAA segment. Furthermore, the optimal drug-carrier ratio was confirmed by an analysis of the drug distribution during the self-assembly process of block copolymer and model drug Ibuprofen (IBU). In addition, the drug distribution and nanostructure of IBU-loaded polymeric micelles (PMs) self-assembled from precise block copolymer (PMMA-b-PMAA-b-PAEMA) and block copolymer (poly(MMA-co-MAA)-b-PAEMA) with random pH-responsive/hydrophobic structure were evaluated, showing that almost all drug molecules were encapsulated into a core for a random copolymer compared to the analogue. The nanostructures of IBU-loaded PMs at different pH values were evaluated. The results displayed that the nanostructure was stable at pH < pKa and anomalous at pH > pKa which indicated drug release, suggesting that the PMs could be used in oral drug delivery. These findings proved that the amphiphilic block copolymer P(MMA30-co-MAA33)-b-PAEMA38 with random structure and pH-sensitivity might be a potential drug carrier. Moreover, DPD simulation shows potential to study the structure property of PMs self-assembled from amphiphilic block copolymer.
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Affiliation(s)
- Zhimin Wu
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China; (M.D.); (D.X.)
- Correspondence: (Z.W.); (C.Y.Z.); Tel.: +86-0731-58293549 (Z.W.); +1-509218-0453 (C.Y.Z.)
| | - Manzhen Duan
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China; (M.D.); (D.X.)
| | - Di Xiong
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China; (M.D.); (D.X.)
| | - Can Yang Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, WA 99210, USA
- Correspondence: (Z.W.); (C.Y.Z.); Tel.: +86-0731-58293549 (Z.W.); +1-509218-0453 (C.Y.Z.)
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20
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Nikravan G, Haddadi-Asl V, Salami-Kalajahi M. Stimuli-responsive DOX release behavior of cross-linked poly(acrylic acid) nanoparticles. E-POLYMERS 2019. [DOI: 10.1515/epoly-2019-0021] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AbstractCross-linked poly(acrylic acid) nanoparticles were synthesized via distillation precipitation polymerization of acrylic acid and ethylene glycol dimethacrylate withdifferent molar ratios. Spherical nanoparticles with diameters between 75 and 122 nm were synthesized and exhibited temperature and pH-responsive behaviors. However, this behavior was less pronounced for samples with higher cross-linking degrees. The potential of all nanoparticles as carriers for controlled release of doxorubicin (DOX) anti-cancer drug was examined at pH values of 1.2, 5.3 and 7.4. An obvious alleviation in burst release behavior and the amount of cumulative drug release was seen for all nanoparticles as the pH of the medium and the cross-linking degree of nanoparticle increased. Also kinetics of drug release was studied using mathematical models of zero-order, first-order, Higuchi, Korsmeyer-Peppas and Hixson-Crowell, where Higuchi and Korsmeyer-Peppas models best defined the kinetics of drug release.
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Affiliation(s)
- Goolia Nikravan
- Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
| | - Vahid Haddadi-Asl
- Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
| | - Mehdi Salami-Kalajahi
- Department of Polymer Engineering, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran
- Institute of Polymeric Materials, Sahand University of Technology, P.O. Box 51335-1996, Tabriz, Iran
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21
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Liu H, Chen H, Cao F, Peng D, Chen W, Zhang C. Amphiphilic Block Copolymer Poly (Acrylic Acid)-B-Polycaprolactone as a Novel pH-sensitive Nanocarrier for Anti-Cancer Drugs Delivery: In-vitro and In-vivo Evaluation. Polymers (Basel) 2019; 11:E820. [PMID: 31067730 PMCID: PMC6572073 DOI: 10.3390/polym11050820] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 04/27/2019] [Accepted: 04/29/2019] [Indexed: 11/16/2022] Open
Abstract
Gambogenic acid (GNA) has been demonstrated with outstanding antitumor activity as a potential antitumor drug in recent years. However, the low solubility and deficient bioavailability of GNA seriously hinder its practical application in the clinic area. In this study, a novel amphiphilic block copolymer, poly (acrylic acid)-b-polycaprolactone (PAA-b-PCL) is prepared and assembled into pH-responsive polymeric micelles (PMs) as one mold of drug delivery system (DDS) with unique properties. Relevant investigation on PMs exhibits excellent carrying potential and pH-dependent release performance for GNA. The drug loading capacity (DLC) and drug loading efficiency (DLE) for GNA-loaded PMs can be achieved as high as 15.20 ± 0.07% and 83.67 ± 0.49%, respectively. The in vitro experiments indicate that the GNA releasing time, cytotoxicity, and cellular uptake are significantly enhanced. Especially, the peak concentration (Cmax) and area under the curve (AUC) are promoted sharply in the GNA-loaded PMs concentration-time curve. This study not only provides a novel way to widen the application of anticancer GNA in the future, but also extends the potential of stimuli-responsive copolymers to biomedical applications.
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Affiliation(s)
- Huanhuan Liu
- The College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Hong Chen
- The College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Fuhu Cao
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China.
| | - Daiyin Peng
- The College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Weidong Chen
- The College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China.
| | - Chuanling Zhang
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China.
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22
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Smart carrier from electrospun core-shell thermo-sensitive ultrafine fibers for controlled drug release. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.01.050] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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23
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Wang H, Li T, Li J, Tong W, Gao C. One-pot synthesis of poly(ethylene glycol) modified zeolitic imidazolate framework-8 nanoparticles: Size control, surface modification and drug encapsulation. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.02.025] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Molecularly imprinted composite bacterial cellulose nanofibers for antibiotic release. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 30:450-461. [DOI: 10.1080/09205063.2019.1580665] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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25
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Ghamkhari A, Ghorbani M, Aghbolaghi S. A perfect stimuli-responsive magnetic nanocomposite for intracellular delivery of doxorubicin. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:S911-S921. [PMID: 30307331 DOI: 10.1080/21691401.2018.1518911] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Iron oxide nanoparticles (IONs) have been extensively applied in cancer therapy and theranostics due to their admissible magnetic properties, excellent chemical stability and biocompatibility. Herein, a novel stimuli-responsive magnetic nanocomposite was synthesized for cancer therapy; thereby, the triblock copolymer of poly[(2-succinyloxyethylmethacrylate)-b-(N-isopropylacrylamide)-b-dimethylaminoethylmethacrylate) [poly(SEMA-b-NIPAM-b-DMAEMA)] was prepared by reversible addition of fragmentation chain transfer (RAFT) polymerization. This triblock copolymer with carboxylic groups of succinyloxyethylmethacrylate was adsorbed onto the surface of Fe3O4 nanoparticles. The morphology, nanocomposite properties and stimuli-responsive behaviours were investigated by field emission scanning electron microscopy, X-ray diffraction, dynamic light scattering, vibrating sample magnetometer (VSM) and thermogravimetric analysis. Doxorubicin (DOX) encapsulation efficacy was 94.3%. Release behaviours of DOX from the magnetic nanocomposite exhibited that the rate of DOX release could be efficiently controlled through temperature and pH. The cytotoxicity of the drug was investigated in vitro against breast cancer cell line (MCF7) using (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) (MTT) assays, 4',6-diamidino-2-phenylindole (DAPI) staining and cellular uptake. In conclusion, the synthesized DOX@nanocomposite can be applied in theranostic applications and anticancer drug delivery owing to admissible properties.
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Affiliation(s)
- Aliyeh Ghamkhari
- a Yong Researchers and Elite Club , Islamic Azad University , Jolfa , Iran
| | - Marjan Ghorbani
- b Stem Cell Research Center , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Samira Aghbolaghi
- c Chemical Engineering Department, Faculty of Engineering , Azarbaijan Shahid Madani University , Tabriz , Iran
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Li X, Liu D, Wang Y, Xu S, Liu H. Water dispersive upconversion nanoparticles for intelligent drug delivery system. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.06.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Agrawal G, Agrawal R. Functional Microgels: Recent Advances in Their Biomedical Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1801724. [PMID: 30035853 DOI: 10.1002/smll.201801724] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Revised: 06/11/2018] [Indexed: 06/08/2023]
Abstract
Here, a spotlight is shown on aqueous microgel particles which exhibit a great potential for various biomedical applications such as drug delivery, cell imaging, and tissue engineering. Herein, different synthetic methods to develop microgels with desirable functionality and properties along with degradable strategies to ensure their renal clearance are briefly presented. A special focus is given on the ability of microgels to respond to various stimuli such as temperature, pH, redox potential, magnetic field, light, etc., which helps not only to adjust their physical and chemical properties, and degradability on demand, but also the release of encapsulated bioactive molecules and thus making them suitable for drug delivery. Furthermore, recent developments in using the functional microgels for cell imaging and tissue regeneration are reviewed. The results reviewed here encourage the development of a new class of microgels which are able to intelligently perform in a complex biological environment. Finally, various challenges and possibilities are discussed in order to achieve their successful clinical use in future.
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Affiliation(s)
- Garima Agrawal
- Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Paper Mill Road, Saharanpur, 247001, Uttar Pradesh, India
| | - Rahul Agrawal
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892-1500, USA
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Yang HY, Li Y, Lee DS. Multifunctional and Stimuli-Responsive Magnetic Nanoparticle-Based Delivery Systems for Biomedical Applications. ADVANCED THERAPEUTICS 2018. [DOI: 10.1002/adtp.201800011] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Hong Yu Yang
- College of Materials Science and Engineering; Jilin Institute of Chemical Technology; Jilin City 132022 P. R. China
| | - Yi Li
- Theranostic Macromolecules Research Center and School of Chemical Engineering; Sungkyunkwan University; Suwon Gyeonggi-do 16419 South Korea
| | - Doo Sung Lee
- Theranostic Macromolecules Research Center and School of Chemical Engineering; Sungkyunkwan University; Suwon Gyeonggi-do 16419 South Korea
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30
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Nikravan G, Haddadi-Asl V, Salami-Kalajahi M. Synthesis of dual temperature – and pH-responsive yolk-shell nanoparticles by conventional etching and new deswelling approaches: DOX release behavior. Colloids Surf B Biointerfaces 2018; 165:1-8. [DOI: 10.1016/j.colsurfb.2018.02.010] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/04/2018] [Accepted: 02/06/2018] [Indexed: 01/21/2023]
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31
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Yang L, Wang T. Preparation of cellulosic drug-loaded hydrogel beads through electrostatic and host-guest interactions. J Appl Polym Sci 2018. [DOI: 10.1002/app.46593] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Li Yang
- Department of Chemistry, College of Science; Northeast Forestry University; Harbin 150040 People's Republic of China
| | - Ting Wang
- Department of Chemistry, College of Science; Northeast Forestry University; Harbin 150040 People's Republic of China
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Campos PP, Dunne A, Delaney C, Moloney C, Moulton SE, Benito-Lopez F, Ferreira M, Diamond D, Florea L. Photoswitchable Layer-by-Layer Coatings Based on Photochromic Polynorbornenes Bearing Spiropyran Side Groups. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:4210-4216. [PMID: 29553744 DOI: 10.1021/acs.langmuir.8b00137] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Herein, we present the synthesis of linear photochromic norbornene polymers bearing spiropyran side groups (poly(SP-R)) and their assembly into layer-by-layer (LbL) films on glass substrates when converted to poly(MC-R) under UV irradiation. The LbL films were composed of bilayers of poly(allylamine hydrochloride) (PAH) and poly(MC-R), forming (PAH/poly(MC-R)) n coatings. The merocyanine (MC) form presents a significant absorption band in the visible spectral region, which allowed tracking of the LbL deposition process by UV-vis spectroscopy, which showed a linear increase of the characteristic MC absorbance band with increasing number of bilayers. The thickness and morphology of the (PAH/poly(MC-R)) n films were characterized by ellipsometry and scanning electron microscopy, respectively, with a height of ∼27.5 nm for the first bilayer and an overall height of ∼165 nm for the (PAH/poly(MC-R))5 multilayer film. Prolonged white light irradiation (22 h) resulted in a gradual decrease of the MC band by 90.4 ± 2.9% relative to the baseline, indicating the potential application of these films as coatings for photocontrolled delivery systems.
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Affiliation(s)
- Paula P Campos
- Insight Centre for Data Analytics, National Centre for Sensor Research, School of Chemical Sciences , Dublin City University , Dublin 9 , Ireland
- Post-Graduation Program in Materials Science and Technology (POSMAT) , Estate University of São Paulo (UNESP) , Bauru 17033-360 , Brazil
| | - Aishling Dunne
- Insight Centre for Data Analytics, National Centre for Sensor Research, School of Chemical Sciences , Dublin City University , Dublin 9 , Ireland
| | - Colm Delaney
- Insight Centre for Data Analytics, National Centre for Sensor Research, School of Chemical Sciences , Dublin City University , Dublin 9 , Ireland
| | - Cara Moloney
- Insight Centre for Data Analytics, National Centre for Sensor Research, School of Chemical Sciences , Dublin City University , Dublin 9 , Ireland
| | - Simon E Moulton
- ARC Centre of Excellence for Electromaterials Science, Faculty of Science, Engineering and Technology, Iverson Health Innovation Research Institute , Swinburne University of Technology , Hawthorn , Victoria 3122 , Australia
| | - Fernando Benito-Lopez
- Analytical Microsystems & Materials for Lab-on-a-Chip (AMMa-LOAC) Group, Microfluidics Cluster UPV/EHU, Analytical Chemistry Department , University of the Basque Country , Lejona 48940 , Spain
| | - Marystela Ferreira
- Federal University of São Carlos-Sorocaba (UFSCAR) , Sorocaba 18052-780 , Brazil
| | - Dermot Diamond
- Insight Centre for Data Analytics, National Centre for Sensor Research, School of Chemical Sciences , Dublin City University , Dublin 9 , Ireland
| | - Larisa Florea
- Insight Centre for Data Analytics, National Centre for Sensor Research, School of Chemical Sciences , Dublin City University , Dublin 9 , Ireland
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Nikravan G, Haddadi-Asl V, Salami-Kalajahi M. Synthesis of pH-responsive magnetic yolk-shell nanoparticles: A comparison between conventional etching and new deswelling approaches. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4272] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Goolia Nikravan
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology; PO Box 15875-4413 Tehran Iran
| | - Vahid Haddadi-Asl
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology; PO Box 15875-4413 Tehran Iran
| | - Mehdi Salami-Kalajahi
- Department of Polymer Engineering; Sahand University of Technology; PO Box 51335-1996 Tabriz Iran
- Institute of Polymeric Materials, Sahand University of Technology; PO Box 51335-1996 Tabriz Iran
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Study of N-isopropylacrylamide-based microgel particles as a potential drug delivery agents. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.07.075] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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