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Rabeh ME, Vora LK, Moore JV, Bayan MF, McCoy CP, Wylie MP. Dual stimuli-responsive delivery system for self-regulated colon-targeted delivery of poorly water-soluble drugs. BIOMATERIALS ADVANCES 2024; 157:213735. [PMID: 38154402 DOI: 10.1016/j.bioadv.2023.213735] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 12/04/2023] [Accepted: 12/14/2023] [Indexed: 12/30/2023]
Abstract
Inflammatory bowel disease (IBD) are chronic inflammatory conditions which cause significant patient morbidity. Local drug delivery to the colon can improve treatment efficacy and reduce side effects associated with IBD treatment. Smart drug delivery systems are designed to regulate the release of therapeutic agents at the desired site of action. pH-responsive drug carriers have been previously utilised for improved oral drug delivery beyond stomach harsh conditions. Additionally, the colon possesses a diverse microbiome secreting bioactive molecules e.g., enzymes, that can be exploited for targeted drug delivery. We herein synthesised and characterised a 2-hydroxyethyl methacrylate and methacrylic acid copolymer, crosslinked with an azobenzyl crosslinker, that displayed pH- and enzyme-responsive properties. The swelling and drug release from hydrogel were analysed in pH 1.2, 6.5 and 7.4 buffers, and in the presence of rat caecal matter using metronidazole and mesalamine as model BCS Class I and IV drugs, respectively. Swelling studies displayed pH-responsive swelling behaviour, where swelling was maximum at pH 7.4 and minimum at pH 1.2 (69 % versus 32 %). Consequently, drug release was limited in gastric and small intestinal conditions but increased significantly when exposed to colonic conditions containing caecal matter. This system displays promising capacity for achieving colon-targeted drug delivery with enhanced dissolution of poorly water-soluble drugs for local treatment of IBD and other colon-targeted therapies.
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Affiliation(s)
- Mohmmad E Rabeh
- School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | | | - Jessica V Moore
- School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | - Mohammad F Bayan
- School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK; Faculty of Pharmacy, Philadelphia University, P.O Box 1, Amman 19392, Jordan
| | - Colin P McCoy
- School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK.
| | - Matthew P Wylie
- School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK.
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2
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Wani SUD, Ali M, Mehdi S, Masoodi MH, Zargar MI, Shakeel F. A review on chitosan and alginate-based microcapsules: Mechanism and applications in drug delivery systems. Int J Biol Macromol 2023; 248:125875. [PMID: 37473899 DOI: 10.1016/j.ijbiomac.2023.125875] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 07/14/2023] [Accepted: 07/16/2023] [Indexed: 07/22/2023]
Abstract
Natural polymers, like chitosan and alginate have potential of appearance, as well as the changes and handling necessary to make it acceptable vehicle for the controlled release of medicines and biomolecules. Microcapsules are characterized as micrometer-sized particulate that can be employed to store chemicals within them. In the present review, we have discussed various advantages, components of microcapsules, release mechanisms, preparation methods, and their applications in drug delivery systems. The preparation methods exhibited strong encapsulation effectiveness and may be used in a wide range of pharmaceutical and biomedical applications. The major advantages of using the microencapsulation technique are, sustained and controlled delivery of drugs, drug targeting, improvement of shelf life, stabilization, immobilization of enzymes and microorganisms. As new biomaterials are developed for the body, they are better suited to the development of pharmaceutical systems than traditional pharmaceuticals because they are more reliable, biocompatible, biodegradable, and nontoxic. Furthermore, the designed microcapsules had been capable of shielding the essential components from hostile environments. More advanced techniques could be developed in the future to facilitate the formulation and applications of microcapsules and working with the pharmaceutical and medical industries.
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Affiliation(s)
- Shahid Ud Din Wani
- Department of Pharmaceutical Sciences, School of Applied Sciences and Technology, University of Kashmir, Srinagar 190006, India.
| | - Mohammad Ali
- Department of Pharmacy Practice, East Point College of Pharmacy, Bangalore 560027, India
| | - Seema Mehdi
- Department of Pharmacology, JSSCollege of Pharmacy, Mysuru 570015, India
| | - Mubashir Hussain Masoodi
- Department of Pharmaceutical Sciences, School of Applied Sciences and Technology, University of Kashmir, Srinagar 190006, India
| | - Mohammed Iqbal Zargar
- Department of Pharmaceutical Sciences, School of Applied Sciences and Technology, University of Kashmir, Srinagar 190006, India
| | - Faiyaz Shakeel
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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Rasouli M, Hosseinzadeh S, Mortazavi SM, Fattahi R, Ranjbari J, Soleimani M. Do Carboxymethyl Cellulose and Pal-KTTKS Make Bacterial Cellulose a Superior Wound Dressing or Skin Scaffold? POLYM-PLAST TECH MAT 2023. [DOI: 10.1080/25740881.2023.2175222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Affiliation(s)
- Mehdi Rasouli
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Simzar Hosseinzadeh
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyedeh Maryam Mortazavi
- Department of Pharmaceutics and Pharmaceutical Nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Roya Fattahi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Javad Ranjbari
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoud Soleimani
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Eltaweil AS, Ahmed MS, El-Subruiti GM, Khalifa RE, Omer AM. Efficient loading and delivery of ciprofloxacin by smart alginate/carboxylated graphene oxide/aminated chitosan composite microbeads: in vitro release and kinetic studies. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2022.104533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
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Controlling the Interaction between Starchy Polyelectrolyte Layers for Adjusting Protein Release from Nanocapsules in a Simulated Gastrointestinal Tract. Foods 2022; 11:foods11172681. [PMID: 36076863 PMCID: PMC9455774 DOI: 10.3390/foods11172681] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 11/19/2022] Open
Abstract
Orally delivered bioactive proteins face great challenges in the harsh environment of the upper gastrointestinal tract (GIT) in the field of functional foods based on bioactive proteins. Therefore, it is necessary to design carriers and delivery systems that have the potential to overcome the problem of lower bioaccessibility for protein cargoes. In this work, we present a starchy oral colon-targeting delivery system, capable of improving the release profile of the protein cargoes. The starchy oral colon-targeting delivery system was fabricated using layer-by-layer assembly of starchy polyelectrolytes (carboxymethyl anionic starch and spermine cationic starch) onto the surface of protein nanoparticles via electrostatic interaction. The dynamic change in the interaction between the starchy polyelectrolytes affected the shell aggregation structure and determined the release kinetics of nanocapsules in the GIT. Specifically, the stronger interactions between the starchy layers and the thicker and more compact shell layer kept the nanocapsule intact in the simulated gastric and intestinal fluids, better-protecting the protein from degradation by digestive fluids, thus avoiding the burst release effect in the SGF and SIF. However, the nanocapsule could quickly swell with the decreasing molecular interactions between starchy polyelectrolytes, increasing protein release (63.61%) in the simulated colonic fluid. Therefore, release behaviors of protein cargoes could be appropriately controlled by adjusting the number of deposited layers of pH-sensitive starchy polyelectrolytes on the nanocapsule. This could improve the bioaccessibility of oral targeted delivery of bioactive proteins to the colon.
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Sadeghi-Ghadi Z, Behjou N, Ebrahimnejad P, Mahkam M, Goli HR, Lam M, Nokhodchi A. Improving Antibacterial Efficiency of Curcumin in Magnetic Polymeric Nanocomposites. J Pharm Innov 2022. [DOI: 10.1007/s12247-022-09619-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
AbstractIn recent years, resistance to chemical antibiotics, as well as their side effects, has caused a necessity to utilize natural substances and herbal components with antibacterial effects. Curcumin, the major substance of Curcuma longa’s rhizome, was used as an antibacterial agent since ancient times. This work aimed to formulate a novel nanocomposite for the delivery of curcumin to overcome orthodox drugs resistance against bacteria and improve its efficacy. To fabricate targeting nanocomposites, first, Fe3O4 nanoparticles were synthesized followed by coating the obtained nanoparticles using sodium alginate containing curcumin. A 2 by 3 factorial design was tailored to predict the optimum formulation of nanocomposites. Characterization of nanocomposites including particle size, polydispersity index (PDI), zeta potential, entrapment efficiency, and drug loading was performed. The optimum formulation was analyzed by differential scanning calorimetry (DSC), scanning electron microscopy (SEM), Fourier-transformed infrared spectroscopy (FT-IR), and in vitro release study at different pHs. Finally, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of samples against seven common bacteria were determined. Results showed that the optimized formulation contained 400 nm particles with the PDI and zeta potentials of 0.4 and − 58 mV, respectively. The optimized formulation with 70% entrapment efficiency reduced the MIC value 2 to 4 times in comparison with pure curcumin. Results also showed that polymer and drug concentrations can significantly affect entrapment efficiency. In conclusion, the current investigation demonstrated that this magnetic nanocomposite can be applied for the delivery of curcumin.
Graphical abstract
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Effect of Ca 2+ cross-linking on the properties and structure of lutein-loaded sodium alginate hydrogels. Int J Biol Macromol 2021; 193:53-63. [PMID: 34688674 DOI: 10.1016/j.ijbiomac.2021.10.114] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 11/21/2022]
Abstract
In order to construct nano-lutein hydrogels with sustained release properties, the basic properties and structure of nano-lutein hydrogels cross-linked with different concentrations of Ca2+ were investigated. The results showed that the highest loading capacity for lutein reached 770.88 μg/g, while the encapsulation efficiency was as high as 99.39%. When Ca2+ concentration was lower than 7.5 mM, the filling of lutein nanoparticles reduced the hardness and gumminess of the hydrogel. The resilience and cohesiveness of the hydrogel decreased as the concentration of Ca2+ increased. Filling with lutein nanoparticles and increasing Ca2+ concentration both increased the G' and G″. The hydrogel loaded with lutein showed different swelling properties in different pH environments, the filling of lutein nanoparticles inhibited the swelling of the hydrogel. When Ca2+ concentration was greater than 7.5 mM, the cut-off amount of lutein on the surface of the Ca2+ cross-linked hydrogel was larger. The digestive enzymes quickly degraded the hydrogel structure, resulting in a high initial release of lutein. DSC and FTIR results showed that lutein nanoparticles were mainly physically trapped in the hydrogel network structure. Lutein nanoparticles and excessive Ca2+ affected the stability of cross-linked ionic bonds in the hydrogel, thereby reducing its thermodynamic stability.
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Microencapsulating polymers for probiotics delivery systems: Preparation, characterization, and applications. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106882] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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9
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Omer AM, Ahmed MS, El-Subruiti GM, Khalifa RE, Eltaweil AS. pH-Sensitive Alginate/Carboxymethyl Chitosan/Aminated Chitosan Microcapsules for Efficient Encapsulation and Delivery of Diclofenac Sodium. Pharmaceutics 2021; 13:338. [PMID: 33807967 PMCID: PMC7998679 DOI: 10.3390/pharmaceutics13030338] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/25/2021] [Accepted: 03/01/2021] [Indexed: 12/22/2022] Open
Abstract
To develop an effective pH-sensitive drug carrier, alginate (Alg), carboxymethyl chitosan (CMCs), and aminated chitosan (AmCs) derivatives were employed in this study. A simple ionic gelation technique was employed to formulate Alg-CMCs@AmCs dual polyelectrolyte complexes (PECs) microcapsules as a pH-sensitive carrier for efficient encapsulation and release of diclofenac sodium (DS) drug. The developed microcapsules were characterized by Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analyzer (TGA), and scanning electron microscope (SEM). The results clarified that formation of dual PECs significantly protected Alg microcapsules from rapid disintegration at colon conditions (pH 7.4), and greatly reduced their porosity. In addition, the dual PECs microcapsules can effectively encapsulate 95.4% of DS-drug compared to 86.3 and 68.6% for Alg and Alg-CMCs microcapsules, respectively. Higher DS-release values were achieved in simulated colonic fluid [SCF; pH 7.4] compared to those obtained in simulated gastric fluid [SGF; pH 1.2]. Moreover, the drug burst release was prevented and a sustained DS-release was achieved as the AmCs concentration increased. The results confirmed also that the developed microcapsules were biodegradable in the presence of the lysozyme enzyme. These findings emphasize that the formulated pH-sensitive microcapsules could be applied for the delivery of diclofenac sodium.
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Affiliation(s)
- Ahmed M. Omer
- Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria 21934, Egypt;
| | - Maha S. Ahmed
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426 Ibrahimia, Alexandria 21321, Egypt; (M.S.A.); (G.M.E.-S.)
| | - Gehan M. El-Subruiti
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426 Ibrahimia, Alexandria 21321, Egypt; (M.S.A.); (G.M.E.-S.)
| | - Randa E. Khalifa
- Polymer Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria 21934, Egypt;
| | - Abdelazeem S. Eltaweil
- Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426 Ibrahimia, Alexandria 21321, Egypt; (M.S.A.); (G.M.E.-S.)
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Maspes A, Pizzetti F, Rossetti A, Makvandi P, Sitia G, Rossi F. Advances in Bio-Based Polymers for Colorectal CancerTreatment: Hydrogels and Nanoplatforms. Gels 2021; 7:6. [PMID: 33440908 PMCID: PMC7838948 DOI: 10.3390/gels7010006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/29/2020] [Accepted: 01/07/2021] [Indexed: 12/27/2022] Open
Abstract
Adenocarcinoma of the colon is the most common malignant neoplasia of the gastrointestinal tract and is a major contributor to mortality worldwide. Invasiveness and metastatic behavior are typical of malignant tumors and, because of its portal drainage, the liver is the closest capillary bed available in this case, hence the common site of metastatic dissemination. Current therapies forecast total resection of primary tumor when possible and partial liver resection at advanced stages, along with systemic intravenous therapies consisting of chemotherapeutic agents such as 5-fluorouracil. These cures are definitely not exempt from drawbacks and heavy side effects. Biocompatible polymeric networks, both in colloids and bulk forms, able to absorb large quantities of water and load a variety of molecules-belong to the class of innovative drug delivery systems, thus suitable for the purpose and tunable on each patient can represent a promising alternative. Indeed, the implantation of polymeric scaffolds easy to synthesize can substitute chemotherapy and combination therapies scheduling, shortening side effects. Moreover, they do not require a surgical removal thanks to spontaneous degradation and guarantees an extended and regional cargo release, maintaining high drug concentrations. In this review, we focus our attention on the key role of polymeric networks as drug delivery systems potentially able to counteract this dramatic disease.
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Affiliation(s)
- Anna Maspes
- Dipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, 20131 Milan, Italy; (A.M.); (F.P.); (A.R.)
| | - Fabio Pizzetti
- Dipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, 20131 Milan, Italy; (A.M.); (F.P.); (A.R.)
| | - Arianna Rossetti
- Dipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, 20131 Milan, Italy; (A.M.); (F.P.); (A.R.)
| | - Pooyan Makvandi
- Istituto Italiano di Tecnologia, Centre for Micro-BioRobotics, 56025 Pisa, Italy;
| | - Giovanni Sitia
- Division of Immunology, Transplantation and Infectious Diseases, Experimental Hepatology Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy;
| | - Filippo Rossi
- Dipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, 20131 Milan, Italy; (A.M.); (F.P.); (A.R.)
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Lee T, Chang YH. Structural, physicochemical, and in-vitro release properties of hydrogel beads produced by oligochitosan and de-esterified pectin from yuzu (Citrus junos) peel as a quercetin delivery system for colon target. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.106086] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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12
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Lima CSAD, Varca GHC, Costa SMD, Ferraz HG, Santos ACDS, Lopes PS, Costa SAD. Development of natural polymeric microcapsules for antimicrobial drug delivery: triclosan loaded chitosan and alginate-based microcapsules. Drug Dev Ind Pharm 2020; 46:1477-1486. [PMID: 32783646 DOI: 10.1080/03639045.2020.1809445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The goal of this work was the development of natural polymeric microcapsules for antimicrobial drug delivery - triclosan loaded alginate and chitosan-based microcapsules for potential coating applications in substrates such as textiles or plastics. Microcapsules containing 2.5% (w/w) or 3% (w/w) triclosan in both core and matrix were synthesized and evaluated by Fourier-transform infrared spectroscopy, scanning electron microscopy, confocal microscopy, differential scanning calorimetry, thermogravimetry, and antimicrobial activity. The microcapsules produced featured spherical and mostly irregularly-shaped surfaces composed by an alginate core in a chitosan outer matrix, as revealed by confocal microscopy, and antimicrobial activity against S. aureus and E. coli with inhibition halos up to 60 mm and 25 mm respectively, granted by a triclosan loading of 61.66%. The thermal analysis suggested that the polymers protected the active substance from temperature-induced degradation. In conclusion, these microcapsules may be applied toward antimicrobial functionalization of plastics, textiles and other materials.
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Affiliation(s)
| | | | | | - Humberto Gomes Ferraz
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | | | - Patrícia Santos Lopes
- Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo, Diadema, Brazil
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Sabzi M, Afshari MJ, Babaahmadi M, Shafagh N. pH-dependent swelling and antibiotic release from citric acid crosslinked poly(vinyl alcohol) (PVA)/nano silver hydrogels. Colloids Surf B Biointerfaces 2020; 188:110757. [DOI: 10.1016/j.colsurfb.2019.110757] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 12/21/2019] [Accepted: 12/23/2019] [Indexed: 12/26/2022]
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Intestine-targeted delivery potency of O-carboxymethyl chitosan–coated layer-by-layer microcapsules: An in vitro and in vivo evaluation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110129. [DOI: 10.1016/j.msec.2019.110129] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 08/18/2019] [Accepted: 08/23/2019] [Indexed: 01/22/2023]
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Zhao J, Li X, Wang X, Wang X. Fabrication of Hybrid Nanostructures Based on Fe 3O 4 Nanoclusters as Theranostic Agents for Magnetic Resonance Imaging and Drug Delivery. NANOSCALE RESEARCH LETTERS 2019; 14:200. [PMID: 31175468 PMCID: PMC6555842 DOI: 10.1186/s11671-019-3026-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 05/20/2019] [Indexed: 05/27/2023]
Abstract
Combining anticancer drugs with inorganic nanocrystals to construct multifunctional hybrid nanostructures has become a powerful tool for cancer treatment and tumor suppression. However, it remains a critical challenge to synthesize compact, multifunctional nanostructures with improved functionality and reproducibility. In this study, we report the fabrication of magnetite hybrid nanostructures employing Fe3O4 nanoparticles (NPs) to form multifunctional magnetite nanoclusters (NCs) by combining an oil-in-water microemulsion assembly and a layer-by-layer (LBL) method. The Fe3O4 NCs were firstly prepared via a microemulsion self-assembly technique. Then, polyelectrolyte layers composed of poly(allylamine hydrochloride) (PAH) and poly(sodium 4-styrenesulfonate) (PSS) and doxorubicin hydrochloride (DOX) were capped on Fe3O4 NCs to construct the Fe3O4 NC/PAH/PSS/DOX hybrid nanostructures via LBL method. The as-prepared hybrid nanostructures loaded with DOX demonstrated the pH-responsive drug release and higher cytotoxicity towards human lung cancer (A549) cells in vitro and can serve as T2-weighted magnetic resonance imaging (MRI) contrast agents, which can significantly improve T2 relaxivity and lead to a better cellular MRI contrast effect. The loaded DOX emitting red signals under excitation with 490 nm are suitable for bioimaging applications. This work provides a novel strategy to build a Fe3O4-based multifunctional theranostic nanoplatform with T2-weighted MRI, fluorescence imaging, and drug delivery.
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Affiliation(s)
- Junwei Zhao
- Materials Science and Engineering School & Henan Key Laboratory of Special Protective Materials, Luoyang Institute of Science and Technology, Luoyang, 471023 People’s Republic of China
- Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123 People’s Republic of China
| | - Xiang Li
- College of Materials Science and Engineering, Jilin University, Changchun, 130022 People’s Republic of China
- Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123 People’s Republic of China
| | - Xin Wang
- College of Materials Science and Engineering, Jilin University, Changchun, 130022 People’s Republic of China
| | - Xin Wang
- Henan Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, 475004 People’s Republic of China
- Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123 People’s Republic of China
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Karzar Jeddi M, Mahkam M. Magnetic nano carboxymethyl cellulose-alginate/chitosan hydrogel beads as biodegradable devices for controlled drug delivery. Int J Biol Macromol 2019; 135:829-838. [PMID: 31158422 DOI: 10.1016/j.ijbiomac.2019.05.210] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 11/16/2022]
Abstract
For the first time, nano carboxymethyl cellulose (NCMC) was synthesized via cellulose nanocrystal carboxymethylation. This nanomaterial was magnetized and used in bilayer alginate-chitosan hydrogel beads formulation to develop eco-friendly, smart, and magnetic sensitive hydrogel beads for the controlled pH-sensitive release of dexamethasone as a model drug. Water-soluble nanocrystalline cellulose (NCMC) and bilayer hydrogel beads were characterized in terms of size, surface morphology, surface modification, crystallinity, drug loading content, and in vitro drug release profile using various technics. Furthermore, the swelling behavior of hydrogels was examined and reported in three buffer media. The NCMCs improved drug loading capacity and swelling properties and also regulated drug release behavior of hydrogels. The hydrogel beads swelling specification exhibited a higher index in phosphate buffer at pH 5.8 than at pH 1.2 and 7.4. Besides, in vitro release of beads revealed excellent pH-sensitive drug release profiles and prevented release in the gastrointestinal tract. The beads showed high pH sensitivity for dexamethasone drug in pH 5.8 in compared to other pH media. The obtained results could introduce hydrogel beads as a high potential drug delivery system.
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Affiliation(s)
- Mohammad Karzar Jeddi
- Department of Chemistry, Faculty of Science, Azarbaijan Shahid Madani University, P.O. Box 53714-161, Tabriz, Iran
| | - Mehrdad Mahkam
- Department of Chemistry, Faculty of Science, Azarbaijan Shahid Madani University, P.O. Box 53714-161, Tabriz, Iran.
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pH-sensitive ZnO/carboxymethyl cellulose/chitosan bio-nanocomposite beads for colon-specific release of 5-fluorouracil. Int J Biol Macromol 2019; 128:468-479. [DOI: 10.1016/j.ijbiomac.2019.01.140] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 01/17/2019] [Accepted: 01/24/2019] [Indexed: 12/14/2022]
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18
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Brito E, Gomes D, Plá Cid C, de Araújo J, Bohn F, Streck L, Fonseca JL. Superparamagnetic magnetite/IPEC particles. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2018.09.067] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Su T, Wu QX, Chen Y, Zhao J, Cheng XD, Chen J. Fabrication of the polyphosphates patched cellulose sulfate-chitosan hydrochloride microcapsules and as vehicles for sustained drug release. Int J Pharm 2019; 555:291-302. [DOI: 10.1016/j.ijpharm.2018.11.058] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 11/01/2018] [Accepted: 11/20/2018] [Indexed: 01/02/2023]
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Shafagh N, Sabzi M, Afshari MJ. Development of pH-sensitive and antibacterial gelatin/citric acid/Ag nanocomposite hydrogels with potential for biomedical applications. JOURNAL OF POLYMER RESEARCH 2018. [DOI: 10.1007/s10965-018-1661-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Abbaszad Rafi A, Hamidi N, Bashir-Hashemi A, Mahkam M. Photo-Switchable Nanomechanical Systems Comprising a Nanocontainer (Montmorillonite) and Light-Driven Molecular Jack (Azobenzene-Imidazolium Ionic Liquids) as Drug Delivery Systems; Synthesis, Characterization, and in Vitro Release Studies. ACS Biomater Sci Eng 2017; 4:184-192. [DOI: 10.1021/acsbiomaterials.7b00621] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Abdolrahim Abbaszad Rafi
- Department
of Chemistry, Faculty of Science, Azarbaijan Shahid Madani University, Tabriz, Iran
- Department
of Chemical Engineering, Mid Sweden University, Sundsvall SE-85170, Sweden
| | - Nazila Hamidi
- Department
of Chemistry, Faculty of Science, Azarbaijan Shahid Madani University, Tabriz, Iran
| | | | - Mehrdad Mahkam
- Department
of Chemistry, Faculty of Science, Azarbaijan Shahid Madani University, Tabriz, Iran
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22
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A colon targeted drug delivery system based on alginate modificated graphene oxide for colorectal liver metastasis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017. [DOI: 10.1016/j.msec.2017.05.054] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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23
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Yang J, Liu X, Sun S, Liu X, Yang L. Screening Platform Based on Robolid Microplate for Immobilized Enzyme-Based Assays. ACS OMEGA 2017; 2:5079-5086. [PMID: 30023737 PMCID: PMC6044936 DOI: 10.1021/acsomega.7b01078] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 08/11/2017] [Indexed: 06/08/2023]
Abstract
A facile, cost-effective, and high-throughput screening method was developed for enzyme-based assays based on Robolid/Microplate (RLMP) platform. The RLMP platform is constructed by immobilizing enzyme on commercial robolids and combining it with a standard 96-well microplate to achieve high-throughput analysis. The initiation and quenching of enzymatic reaction can be performed by simply sandwiching or unsealing the enzyme-immobilized robolids and the sample-containing microplate. This platform enables measurements of multiple target analytes simultaneously based on immobilized enzymatic reactions, with analysis time independent of the number of wells in the microplate. Using urea as the model analyte, we have shown that the RLMP platform exhibits large linear detection range of up to 10 mM, fast analysis time of 30 min/96 samples, as well as good reproducibility and stability. Measurements of urea in human urine and serum samples were performed using the RLMP platform and were compared with the commercial urea test kit. A good correlation was found between the two methods. This study shows that the present RLMP platform has promising prospects for detection of clinical markers and application in disease diagnosis and biochemical analysis.
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Affiliation(s)
| | | | | | | | - Li Yang
- E-mail: . Tel: +86-431-85099762. Fax: +86-431-85099762
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24
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New advances strategies for surface functionalization of iron oxide magnetic nano particles (IONPs). RESEARCH ON CHEMICAL INTERMEDIATES 2017. [DOI: 10.1007/s11164-017-3084-3] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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25
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A Smart pH-responsive Nano-Carrier as a Drug Delivery System: A hybrid system comprised of mesoporous nanosilica MCM-41 (as a nano-container) & a pH-sensitive polymer (as smart reversible gatekeepers): Preparation, characterization and in vitro release studies of an anti-cancer drug. Eur J Pharm Sci 2016; 93:64-73. [DOI: 10.1016/j.ejps.2016.08.005] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 07/09/2016] [Accepted: 08/02/2016] [Indexed: 01/27/2023]
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26
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Abbaszad Rafi A, Fakheri F, Mahkam M. Synthesis and preparation of new pH-sensitive nanocomposite and nanocapsule based on “MCM-41/poly methacrylic acid” as drug carriers. Polym Bull (Berl) 2016. [DOI: 10.1007/s00289-016-1627-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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27
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Tian B, Liu S, Lu W, Jin L, Li Q, Shi Y, Li C, Wang Z, Du Y. Construction of pH-responsive and up-conversion luminescent NaYF₄:Yb³⁺/Er³⁺@SiO₂@PMAA nanocomposite for colon targeted drug delivery. Sci Rep 2016; 6:21335. [PMID: 26891778 PMCID: PMC4759527 DOI: 10.1038/srep21335] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Accepted: 01/21/2016] [Indexed: 11/20/2022] Open
Abstract
Colon-targeted drug delivery system has attracted much interest because it can improve therapeutic efficacy and reduce the side effect in practical clinic. Herein, we constructed a multifunctional drug delivery system with colonic targeting and tracking by up-conversion (UC) luminescence based on core-shell structured NaYF4:Yb(3+)/Er(3+)@SiO2@PMAA nanocomposite. The resultant materials exhibited bright UC luminescence, pH-responsive property and excellent biocompatibility. The drug release behaviors in different pH environment were investigated using 5-aminosalicylic acid (5-ASA) as a model drug. The 5-ASA molecules release from NaYF4:Yb(3+)/Er(3+)@SiO2@PMAA nanocomposite exhibit a significant pH-responsive colon targeted property, i.e., a little amount of drug release in simulated gastric fluid (SGF, pH = 1.2) but a large amount of drug release in simulated colonic fluid (SCF, pH = 7.4) Moreover, the drug release process could be monitored by the change of UC emission intensity. These results implied that the multifunctional nanocomposite is a promising drug carrier for targeted release of 5-ASA in the colon.
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Affiliation(s)
- Boshi Tian
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466001, P. R. China
| | - Shaohua Liu
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466001, P. R. China
| | - Wei Lu
- University Research Facility in Materials Characterization and Device Fabrication, The Hong Kong Polytechnic University, Hong Kong, P. R. China
| | - Lin Jin
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466001, P. R. China
| | - Qingfeng Li
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466001, P. R. China
| | - Yurong Shi
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466001, P. R. China
| | - Chunyang Li
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466001, P. R. China
| | - Zhenling Wang
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466001, P. R. China
| | - Yaping Du
- Frontier Institute of Science and Technology Jointly with College of Science, Xi’an Jiaotong University, Xi’an 710049, P. R. China
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28
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Teleki A, Haufe FL, Hirt AM, Pratsinis SE, Sotiriou GA. Highly scalable production of uniformly-coated superparamagnetic nanoparticles for triggered drug release from alginate hydrogels. RSC Adv 2016. [DOI: 10.1039/c6ra03115c] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Large-scale production of SiO2-coated Fe2O3nanoparticles facilitates their incorporation in stimuli-responsive superparamagnetic alginate hydrogel structures with efficient hyperthermia performance and enhanced triggered drug release.
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Affiliation(s)
- Alexandra Teleki
- Particle Technology Laboratory
- Institute of Process Engineering
- Department of Mechanical and Process Engineering
- ETH Zurich
- CH-8092 Zurich
| | - Florian L. Haufe
- Particle Technology Laboratory
- Institute of Process Engineering
- Department of Mechanical and Process Engineering
- ETH Zurich
- CH-8092 Zurich
| | - Ann M. Hirt
- Institute of Geophysics
- Department of Earth Sciences
- ETH Zurich
- CH-8092 Zurich
- Switzerland
| | - Sotiris E. Pratsinis
- Particle Technology Laboratory
- Institute of Process Engineering
- Department of Mechanical and Process Engineering
- ETH Zurich
- CH-8092 Zurich
| | - Georgios A. Sotiriou
- Particle Technology Laboratory
- Institute of Process Engineering
- Department of Mechanical and Process Engineering
- ETH Zurich
- CH-8092 Zurich
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29
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Huang S, Cheng Z, Chen Y, Liu B, Deng X, Ma P, Lin J. Multifunctional polyelectrolyte multilayers coated onto Gd2O3:Yb3+,Er3+@MSNs can be used as drug carriers and imaging agents. RSC Adv 2015. [DOI: 10.1039/c5ra01750e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Multifunctional polyelectrolyte multilayers coated Gd2O3:Yb3+,Er3+@MSNs were fabricated as potential drug delivery system with MRI, UCL, and pH-responsive release properties.
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Affiliation(s)
- Shanshan Huang
- State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Ziyong Cheng
- State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Yinyin Chen
- State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Bei Liu
- State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Xiaoran Deng
- State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Ping'an Ma
- State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Jun Lin
- State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
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