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Elmowafy M, Shalaby K, Elkomy MH, Alsaidan OA, Gomaa HAM, Hendawy OM, Abdelgawad MA, Ali HM, Ahmed YM, El-Say KM. Exploring the potential of quercetin/aspirin-loaded chitosan nanoparticles coated with Eudragit L100 in the treatment of induced-colorectal cancer in rats. Drug Deliv Transl Res 2023; 13:2568-2588. [PMID: 37000409 DOI: 10.1007/s13346-023-01338-3] [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] [Accepted: 03/20/2023] [Indexed: 04/01/2023]
Abstract
Growing evidence suggests quercetin and aspirin may have anticancer properties, notably in the case of colorectal cancer. The goal of this study was to create Pluronic F127 and polyethylene glycol4000 solid dispersion-loaded chitosan nanoparticles for colonic quercetin and aspirin delivery. In 1:1 polymeric stoichiometric ratio, solubility and complex formation were verified. Solid dispersion-loaded chitosan nanoparticles with a diameter of 244.45 ± 8.5 nm, a surface charge of 34.1 ± 3.3 mV, and encapsulation effectiveness of 76.3 ± 4.3% were generated under ideal conditions. In some cases, coating with Eudragit L100 resulted in a decrease in zeta potential and an increase in particle size. The coated formulation released the actives in a pH-dependent manner, considering their physicochemical features. Surprisingly, when compared to the actives' suspension and uncoated formulation, the coated formulation had greater anti-inflammatory efficacy, with a substantial reduction of PGE2 and IL-8 production in colonic tissues (16.9 ± 7.9 ng/g tissue and 134.9 ± 10.1 pg/g tissue, respectively). It also reversed most of the dimethyl hydrazine-induced histological alterations in the colon. It also demonstrated a greater reduction in TNF expression in colonic tissues. As a result, Eudragit L100-coated QT/AS-loaded chitosan nanoparticles are suggested to provide a potential platform for colonic delivery of quercetin and aspirin.
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Affiliation(s)
- Mohammed Elmowafy
- Department of Pharmaceutics, College of Pharmacy, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia.
| | - Khaled Shalaby
- Department of Pharmaceutics, College of Pharmacy, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Mohammed H Elkomy
- Department of Pharmaceutics, College of Pharmacy, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Omar Awad Alsaidan
- Department of Pharmaceutics, College of Pharmacy, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Hesham A M Gomaa
- Department of Pharmacology, College of Pharmacy, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Omnia M Hendawy
- Department of Pharmacology, College of Pharmacy, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Mohamed A Abdelgawad
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | - Hazim M Ali
- Department of Chemistry, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Yasmin M Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt
| | - Khalid M El-Say
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
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Carrera C, Bengoechea C, Carrillo F, Calero N. Effect of deacetylation degree and molecular weight on surface properties of chitosan obtained from biowastes. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Bezrodnyhk EA, Berezin BB, Antonov YA, Zhuravleva IL, Atamas AA, Tsarenko AA, Rogachev AV, Tikhonov VE. A feasible approach to tune the interaction of chitosan with sodium dodecyl sulfate. Carbohydr Polym 2022; 292:119642. [DOI: 10.1016/j.carbpol.2022.119642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 11/02/2022]
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4
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Ferreira CC, Silva TBG, Francisco ADDS, Bandeira L, Cunha RD, Coutinho‐Neto MD, Homem‐de‐Mello P, Almeida J, Orestes E, Nascimento RSV. Hyperbranched polyglycerols derivatives as cetyltrimethylammonium bromide nanocarriers on enhanced oil recovery processes. J Appl Polym Sci 2022. [DOI: 10.1002/app.51725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Conny Cerai Ferreira
- Escola de Engenharia Industrial Metalúrgica de Volta Redonda Universidade Federal Fluminense Volta Redonda Brazil
| | - Thais Barros Gomes Silva
- Instituto de Química – Universidade Federal do Rio de Janeiro Cidade Universitária Rio de Janeiro Brazil
| | | | - Lucas Bandeira
- Centro de Ciências Naturais e Humanas Universidade Federal do ABC Santo André Brazil
| | - Renato D. Cunha
- Centro de Ciências Naturais e Humanas Universidade Federal do ABC Santo André Brazil
| | | | - Paula Homem‐de‐Mello
- Centro de Ciências Naturais e Humanas Universidade Federal do ABC Santo André Brazil
| | - James Almeida
- Centro de Ciências Naturais e Humanas Universidade Federal do ABC Santo André Brazil
| | - Ednilsom Orestes
- Escola de Engenharia Industrial Metalúrgica de Volta Redonda Universidade Federal Fluminense Volta Redonda Brazil
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Conversion of Electrospun Chitosan into Chitin: A Robust Strategy to Tune the Properties of 2D Biomimetic Nanofiber Scaffolds. POLYSACCHARIDES 2021. [DOI: 10.3390/polysaccharides2020019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
New biomimetic micro- and nano-CsU-based fibrous scaffolds electrospun from solution containing high purity-medical grade chitosan (CsU) of fungus origin (CsU1, Mv ~174,000 and CsU2, 205,000, degree of deacetylation (DDA) ~65%) and polyethylene oxide (PEO, Mv ~ 900,000), in the presence of given amounts of Triton X-100 (from 0.01 to 0.5 wt%) as surfactant were fabricated. We demonstrate that by carefully selecting compositions and surfactant levels, porous mats with CsU content up to 90% (at this molecular weight and DDA) were achieved. Remarkable long-term stability in water or phosphate buffer solution storage were obtained by developing post-electrospinning treatment allowing the complete elimination of the PEO from the CsU-fibers as demonstrated by TGA, DSC and ESEM analysis. Subsequent reacetylation procedure was applied to convert 2D biomimetic chitosan mats to chitin (CsE)-based ones while preserving the nanofiber structure. This innovative procedure allows tuning and modifying the thermal, mechanical properties and more importantly the biodegradation abilities (fast enzymatic biodegradation in some cases and slower on the others) of the prepared nanofibrous mats. The established reproducible method offers the unique advantage to modulate the membrane properties leading to stable 2D biomimetic CsU and/or chitin (CsE) scaffolds tailor-made for specific purposes in the field of tissue engineering.
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Argenta DF, Bernardo BDC, Chamorro AF, Matos PR, Caon T. Thermosensitive hydrogels for vaginal delivery of secnidazole as an approach to overcome the systemic side-effects of oral preparations. Eur J Pharm Sci 2021; 159:105722. [PMID: 33482314 DOI: 10.1016/j.ejps.2021.105722] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 01/12/2021] [Accepted: 01/13/2021] [Indexed: 01/10/2023]
Abstract
Secnidazole (SEC) has been suggested as an alternative agent against Trichomonas vaginalis to overcome the adverse effects, antimicrobial resistance problems and poor adherence to the currently available therapy. Once no topical formulation may be found in the market until now, SEC was incorporated in thermosensitive bioadhesive systems to extend the contact time in the mucosa and to avoid a systemic drug disposition. Formulations containing 20% poloxamer 407, 1% poloxamer 188 and 1 or 2.5% chitosan showed suitable sol-gel transition temperature (> 30 °C), presenting a fast gelation time (100-115 s). Rheological, dynamic light scattering and infrared spectroscopy analysis suggested molecular interactions among polymers. Chitosan increased the mucoadhesion strength of the formulations. In addition, hydrogels showed a tendency to decrease the drug transport rate through mucosa when compared to the control. Mucin was also added onto mucosa for a more realistic simulation of permeability/retention. In the presence of this agent, hydrogels containing chitosan reduced the permeability/retention of the drug in approximately 2.0-fold when compared to the control. Therefore, the hydrogels presented suitable characteristics to remain in the vaginal environment, which would result in effective local treatment of trichomoniasis.
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Affiliation(s)
- Débora Fretes Argenta
- Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n - Trindade, Florianópolis - SC, 88040-900, Brazil
| | - Bianca da Costa Bernardo
- Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n - Trindade, Florianópolis - SC, 88040-900, Brazil
| | - Andrés Felipe Chamorro
- Department of Chemistry, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n - Trindade, Florianópolis - SC, 88040-900, Brazil
| | - Paulo Ricardo Matos
- Department of Civil Engineering, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n - Trindade, Florianópolis - SC, 88040-900, Brazil
| | - Thiago Caon
- Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Reitor João David Ferreira Lima, s/n - Trindade, Florianópolis - SC, 88040-900, Brazil.
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Akanno A, Guzmán E, Ortega F, Rubio RG. Behavior of the water/vapor interface of chitosan solutions with an anionic surfactant: effect of polymer-surfactant interactions. Phys Chem Chem Phys 2020; 22:23360-23373. [PMID: 33047113 DOI: 10.1039/d0cp02470h] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The adsorption of mixtures formed by chitosan and sodium lauryl ether sulfate (SLES) at the water/vapor interface has been studied on the basis of their impact on the equilibrium surface tension of the interface, and the response of such an interface to mechanical deformations. The analysis of the surfactant binding to the chitosan chains evidenced that the chitosan-SLES solutions were mixtures of polyelectrolyte-surfactant complexes and a non-negligible amount of free surfactant molecules. The interfacial properties showed two well-differentiated regions for interfacial adsorption as a function of the SLES concentration: (i) at a low surfactant concentration, co-adsorption of chitosan and SLES occurs, and (ii) at high concentrations, the surface is mostly occupied by SLES molecules. This behavior may be interpreted in terms of a complex equilibration mechanism of the interfacial layers, where different coupled dynamic processes may be involved. Furthermore, the use of the time-concentration superposition principle has confirmed the different dynamic behaviors of the chitosan-SLES adsorption as a function of the SLES concentration. This work sheds light on some of the most fundamental bases governing the physico-chemical behavior of mixtures formed by a biopolymer and a surfactant, where their complex behavior is governed by an intricate balance of bulk and interfacial interactions.
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Affiliation(s)
- Andrew Akanno
- Departamento de Química Física-Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain.
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Biviano MD, Böni LJ, Berry JD, Fischer P, Dagastine RR. Interfacial Properties of Chitosan in Interfacial Shear and Capsule Compression. ACS APPLIED MATERIALS & INTERFACES 2020; 12:48084-48092. [PMID: 32921046 DOI: 10.1021/acsami.0c11781] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The time-dependent behavior of surface-active adsorption layers at the oil/water interface can dictate emulsion behavior at both the micro- and macroscale. In addition, self-healing behavior of the adsorption layer may benefit emulsion stability subject to large deformation under processing or during final application. We explore the behavior of chitosan, a known hydrophilic emulsifier, which forms nanoparticle aggregates when the concentration of acetate buffer exceeds 0.3 M. We observe a Pickering adsorption layer building and strain-dependent behavior of the chitosan at the medium chain triglyceride oil/water interface. We compare this to the behavior of identical chitosan layers coated on oil droplets via atomic force microscopy colloidal probe compression in both linear and oscillatory compressions. In both interfacial shear rheometry and the capsule compression, a thick, elastic layer with strong time-dependent recovery behavior is observed, suggesting that the layer has some self-healing capabilities.
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Affiliation(s)
- Matthew D Biviano
- Department of Chemical Engineering, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Lukas J Böni
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland
| | - Joseph D Berry
- Department of Chemical Engineering, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Peter Fischer
- Institute of Food, Nutrition and Health, ETH Zurich, Schmelzbergstrasse 7, 8092 Zurich, Switzerland
| | - Raymond R Dagastine
- Department of Chemical Engineering, University of Melbourne, Parkville, Victoria 3010, Australia
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de Oliveira Pedro R, Ribeiro Pereira A, Oliveira ON, Barbeitas Miranda P. Interaction of chitosan derivatives with cell membrane models in a biologically relevant medium. Colloids Surf B Biointerfaces 2020; 192:111048. [PMID: 32361502 DOI: 10.1016/j.colsurfb.2020.111048] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/08/2020] [Accepted: 04/11/2020] [Indexed: 01/15/2023]
Abstract
HYPOTHESIS The interaction of chitosan, a natural biopolymer with various biomedical applications, with lipid Langmuir films has been widely investigated as a simple model for cell membranes. However, to ensure polymer solubility, up to now only acidic subphases with pH significantly below biological fluids have been used. To increase the biological significance of these investigations, here we evaluated the effects of two chitosan derivatives (low molecular weight - CH, and positively charged - CH-P40) on phospholipid films (either zwitterionic DPPC or anionic DPPG) using phosphate buffered saline solutions (PBS) as a subphase. EXPERIMENTS Surface pressure - area (π-A) isotherms were used to evaluate the expansion and changes in film elasticity, while Sum-Frequency Generation (SFG) vibrational spectroscopy provided information about the chain conformation of lipids. FINDINGS It was found that chitosans caused a small expansion of the DPPC film by its insertion within the monolayer. In contrast, they distinctly expanded DPPG monolayers by both chitosan insertion within the lipid monolayer and by interacting with the anionic head group. Therefore, PBS buffer can be used as a subphase for more biologically relevant studies of chitosan interactions with Langmuir films, shedding light on why chitosan is antibacterial but not toxic to mammals, as the interaction mechanism depends on lipid headgroup charge.
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Affiliation(s)
- Rafael de Oliveira Pedro
- São Carlos Institute of Physics, University of São Paulo, P.O. Box 369, 13560-970, São Carlos, SP, Brazil
| | - Andressa Ribeiro Pereira
- São Carlos Institute of Physics, University of São Paulo, P.O. Box 369, 13560-970, São Carlos, SP, Brazil
| | - Osvaldo N Oliveira
- São Carlos Institute of Physics, University of São Paulo, P.O. Box 369, 13560-970, São Carlos, SP, Brazil
| | - Paulo Barbeitas Miranda
- São Carlos Institute of Physics, University of São Paulo, P.O. Box 369, 13560-970, São Carlos, SP, Brazil.
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Effect of intercalated chitosan/clay nanostructures on concentrated pluronic F127 solution: A FTIR-ATR, DSC and rheological study. J Colloid Interface Sci 2018; 517:221-229. [DOI: 10.1016/j.jcis.2018.02.004] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/02/2018] [Accepted: 02/02/2018] [Indexed: 11/17/2022]
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Effect of carbon chain length of dicarboxylic acids as cross-linking agents on morphology, encapsulation, and release features of protein-loaded chitosan microparticles. Colloid Polym Sci 2017. [DOI: 10.1007/s00396-017-4171-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Hotujac Grgurević M, Juretić M, Hafner A, Lovrić J, Pepić I. Tear fluid-eye drops compatibility assessment using surface tension. Drug Dev Ind Pharm 2016; 43:275-282. [PMID: 27645109 DOI: 10.1080/03639045.2016.1238924] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
OBJECTIVE To evaluate the compatibility of commercially available eye drop surface tension with the tear film physiological range and to characterize commonly used ophthalmic excipients in terms of their surface activity under eye-biorelevant conditions. SIGNIFICANCE There are a number of quality requirements for the eye drops (e.g. tonicity, pH, viscosity, refractive index) that needs to comply with the physiological parameters of the eye surface. However, the adjustment of surface tension properties of the eye drops to the normal range of surface tension at the air/tear fluid interface (40-46 mN/m) has received rather less attention thus far. Yet, the surface tension at the air/tear fluid interface is of vital importance for the normal function of the eye surface. METHODS The surface tension compatibility of the isotonic aqueous solutions of commonly used ophthalmic excipients as well as 18 approved eye drops with the tear fluid have been evaluated using surface tension method. RESULTS Each ophthalmic ingredient including the preservatives, solubilizing agents and thickening agents can influence the surface tension of the final formulation. In case of complex ophthalmic formulations one should also consider the possible interactions among excipients and consequent impact on overall surface activity. Out of 18 evaluated eye drops, three samples were within, 12 samples were below and three samples were above the physiological range of the tear fluid surface tension. CONCLUSIONS Our results provide a rationale for clinical studies aiming to assess the correlation between the eye drops surface tension and the tear film (in)stability.
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Affiliation(s)
| | - Marina Juretić
- b Department of Pharmaceutical Technology , Faculty of Pharmacy and Biochemistry, University of Zagreb , Zagreb , Croatia
| | - Anita Hafner
- b Department of Pharmaceutical Technology , Faculty of Pharmacy and Biochemistry, University of Zagreb , Zagreb , Croatia
| | - Jasmina Lovrić
- b Department of Pharmaceutical Technology , Faculty of Pharmacy and Biochemistry, University of Zagreb , Zagreb , Croatia
| | - Ivan Pepić
- b Department of Pharmaceutical Technology , Faculty of Pharmacy and Biochemistry, University of Zagreb , Zagreb , Croatia
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Interactions between a triblock copolymer and hydroxyethyl cellulose in aqueous solution and their use in the solubilization of Amiodarone. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.05.057] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Tan C, Zhang Y, Abbas S, Feng B, Zhang X, Xia W, Xia S. Biopolymer-Lipid Bilayer Interaction Modulates the Physical Properties of Liposomes: Mechanism and Structure. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:7277-7285. [PMID: 26173584 DOI: 10.1021/acs.jafc.5b01422] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
This study was conducted to elucidate the conformational dependence of the modulating ability of chitosan, a positively charged biopolymer, on a new type of liposome composed of mixed lipids including egg yolk phosphatidylcholine (EYPC) and nonionic surfactant (Tween 80). Analysis of the dynamic and structure of bilayer membrane upon interaction with chitosan by fluorescence and electron paramagnetic resonance techniques demonstrated that, in addition to providing a physical barrier for the membrane surface, the adsorption of chitosan extended and crimped chains rigidified the lipid membrane. However, the decrease in relative microviscosity and order parameter suggested that the presence of chitosan coils disturbed the membrane organization. It was also noted that the increase of fluidity in the lipid bilayer center was not pronounced, indicating the shallow penetration of coils into the hydrophobic interior of bilayer. Microscopic observations revealed that chitosan adsorption not only affected the morphology of liposomes but also modulated the particle aggregation and fusion. Especially, a number of very heterogeneous particles were visualized, which tended to confirm the role of chitosan coils as a "polymeric surfactant". In addition to particle deformation, the membrane permeability was also tuned. These findings may provide a new perspective to understand the physiological functionality of biopolymer and design biopolymer-liposome composite structures as delivery systems for bioactive components.
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Affiliation(s)
- Chen Tan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu 214122, China
| | - Yating Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu 214122, China
| | - Shabbar Abbas
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu 214122, China
| | - Biao Feng
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu 214122, China
| | - Xiaoming Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu 214122, China
| | - Wenshui Xia
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu 214122, China
| | - Shuqin Xia
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, Jiangsu 214122, China
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Hafner A, Lovrić J, Romić MD, Juretić M, Pepić I, Cetina-Čižmek B, Filipović-Grčić J. Evaluation of cationic nanosystems with melatonin using an eye-related bioavailability prediction model. Eur J Pharm Sci 2015; 75:142-50. [PMID: 25869457 DOI: 10.1016/j.ejps.2015.04.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 03/10/2015] [Accepted: 04/05/2015] [Indexed: 11/25/2022]
Abstract
In this study, two types of nanosystems, namely lecithin/chitosan nanoparticles and Pluronic® F127/chitosan micelles, have been prepared and evaluated for their potential for the ocular delivery of melatonin, which is known to exert an ocular hypotensive effect. The melatonin content, particle size, zeta potential and in vitro drug release properties were studied as a function of the presence of chitosan in the nanosystem. Lecithin/chitosan nanoparticles were evaluated in terms of the mucoadhesive properties by a newly established method based on HCE-T cells, also used in in vitro biocompatibility and permeability studies. Lecithin/chitosan nanoparticles were significantly larger than the corresponding F127/chitosan micelles (mean diameter of 241.8 vs. 20.7nm, respectively) and characterised by a higher surface charge (22.7 vs. 4.3mV, respectively). The HCE-T cell viability assay did not show significant toxic effects of nanosystems investigated at the (relevant) chitosan concentration tested. The permeability study results confirmed the permeation enhancing effect of F127, which was hindered in the presence of chitosan. Lecithin/chitosan nanoparticles were characterised by prominent mucoadhesive properties and prolonged melatonin release, which was shown to control melatonin permeation across an in vitro corneal epithelial model. Such properties demonstrate the potential for nanoparticles to provide an extended pre-corneal residence time of melatonin, ensuring higher eye-related bioavailability and extended intraocular pressure reduction compared to melatonin in both aqueous and micelle solutions.
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Affiliation(s)
- Anita Hafner
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia.
| | - Jasmina Lovrić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia
| | | | - Marina Juretić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia
| | - Ivan Pepić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia
| | | | - Jelena Filipović-Grčić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia
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Multilayer encapsulated mesoporous silica nanospheres as an oral sustained drug delivery system for the poorly water-soluble drug felodipine. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 47:313-24. [DOI: 10.1016/j.msec.2014.10.067] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 09/27/2014] [Accepted: 10/21/2014] [Indexed: 11/18/2022]
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Liang X, Wen J, Wen C, Wang B, Chen J, Zhou L. Preparation ofO-hydroxypropyl-N-butyl chitosan under microwave irradiation. J Appl Polym Sci 2014. [DOI: 10.1002/app.41527] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Xiangyu Liang
- Department of Applied Chemistry; College of Chemistry and Chemical Engineering, Shenzhen University; Shenzhen 518060 People's Republic of China
| | - Junjie Wen
- Department of Applied Chemistry; College of Chemistry and Chemical Engineering, Shenzhen University; Shenzhen 518060 People's Republic of China
| | - Caihong Wen
- Department of Applied Chemistry; College of Chemistry and Chemical Engineering, Shenzhen University; Shenzhen 518060 People's Republic of China
| | - Bo Wang
- Department of Applied Chemistry; College of Chemistry and Chemical Engineering, Shenzhen University; Shenzhen 518060 People's Republic of China
| | - Jianyu Chen
- Department of Applied Chemistry; College of Chemistry and Chemical Engineering, Shenzhen University; Shenzhen 518060 People's Republic of China
| | - Li Zhou
- Department of Applied Chemistry; College of Chemistry and Chemical Engineering, Shenzhen University; Shenzhen 518060 People's Republic of China
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Tan C, Xue J, Eric K, Feng B, Zhang X, Xia S. Dual effects of chitosan decoration on the liposomal membrane physicochemical properties as affected by chitosan concentration and molecular conformation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:6901-6910. [PMID: 23772808 DOI: 10.1021/jf401556u] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
This study was devoted to a further understanding of the dependence of liposomal membrane properties on chitosan conformation and proved the dual effects of chitosan. The concentration dependence of chitosan conformation in aqueous solution was illustrated by surface tension and fluorescence probe techniques. Fluorescence and Raman spectra were subsequently employed to investigate the dynamic and structural changes of the liposomal membrane resulting from chitosan decoration. Results showed that the unfolded and crimped chains of chitosan flatly adsorbed onto the membrane surface via electrostatic attraction and favored liposome stability. Furthermore, the adsorption of crimped chains seemed stronger due to the embedding of their hydrophobic moieties. However, the presence of chitosan coils induced the increase in membrane fluidity, the intrachain disorder in lipid molecules, and the gauche conformation change of choline group. Dynamic light scattering and lipid oxidation measurements demonstrated that this perturbation was correlated with the permeation of coils into the lipid bilayer.
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Affiliation(s)
- Chen Tan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
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Pepić I, Lovrić J, Filipović-Grčić J. How do polymeric micelles cross epithelial barriers? Eur J Pharm Sci 2013; 50:42-55. [PMID: 23619286 DOI: 10.1016/j.ejps.2013.04.012] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 03/27/2013] [Accepted: 04/07/2013] [Indexed: 12/22/2022]
Abstract
Non-parenteral delivery of drugs using nanotechnology-based delivery systems is a promising non-invasive way to achieve effective local or systemic drug delivery. The efficacy of drugs administered non-parenterally is limited by their ability to cross biological barriers, and epithelial tissues particularly present challenges. Polymeric micelles can achieve transepithelial drug delivery because of their ability to be internalized into cells and/or cross epithelial barriers, thereby delivering drugs either locally or systematically following non-parenteral administration. This review discusses the particular characteristics of various epithelial barriers and assesses their potential as non-parenteral routes of delivery. The material characteristics of polymeric micelles (e.g., size, surface charge, and surface decoration) and of unimers dissociated from polymeric micelles determine their interactions (non-specific and/or specific) with mucus and epithelial cells as well as their intracellular fate. This paper outlines the mechanisms governing the major modes of internalization of polymeric micelles into epithelial cells, with an emphasis on specific recent examples of the transport of drug-loaded polymeric micelles across epithelial barriers.
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Affiliation(s)
- Ivan Pepić
- Department of Pharmaceutical Technology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia.
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Picone CSF, Cunha RL. Chitosan–gellan electrostatic complexes: Influence of preparation conditions and surfactant presence. Carbohydr Polym 2013; 94:695-703. [DOI: 10.1016/j.carbpol.2013.01.092] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2012] [Revised: 01/18/2013] [Accepted: 01/23/2013] [Indexed: 10/27/2022]
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Physicochemical and antibacterial properties of surfactant mixtures with quaternized chitosan microgels. Carbohydr Polym 2013; 93:709-17. [DOI: 10.1016/j.carbpol.2012.12.054] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Revised: 08/24/2012] [Accepted: 12/18/2012] [Indexed: 11/20/2022]
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Boruah B, Saikia PM, Dutta RK. Binding and stabilization of curcumin by mixed chitosan–surfactant systems: A spectroscopic study. J Photochem Photobiol A Chem 2012. [DOI: 10.1016/j.jphotochem.2012.07.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Biomedical Activity of Chitin/Chitosan Based Materials—Influence of Physicochemical Properties Apart from Molecular Weight and Degree of N-Acetylation. Polymers (Basel) 2011. [DOI: 10.3390/polym3041875] [Citation(s) in RCA: 128] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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Surface activity and micellization properties of chitosan-succinyl derivatives. Colloids Surf A Physicochem Eng Asp 2011. [DOI: 10.1016/j.colsurfa.2011.08.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Pepić I, Hafner A, Lovrić J, Pirkić B, Filipović-Grcčić J. A Nonionic Surfactant/Chitosan Micelle System in an Innovative Eye Drop Formulation. J Pharm Sci 2010; 99:4317-25. [DOI: 10.1002/jps.22137] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Pavinatto FJ, Caseli L, Oliveira ON. Chitosan in Nanostructured Thin Films. Biomacromolecules 2010; 11:1897-908. [DOI: 10.1021/bm1004838] [Citation(s) in RCA: 155] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Felippe J. Pavinatto
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, SP, Brasil, and Departamento de Ciências Exatas e da Terra, Universidade Federal de São Paulo, Diadema, SP, Brasil
| | - Luciano Caseli
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, SP, Brasil, and Departamento de Ciências Exatas e da Terra, Universidade Federal de São Paulo, Diadema, SP, Brasil
| | - Osvaldo N. Oliveira
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, SP, Brasil, and Departamento de Ciências Exatas e da Terra, Universidade Federal de São Paulo, Diadema, SP, Brasil
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Peng B, Hao Y, Kang H, Han X, Peng C, Liu H. Aggregation behavior of N-carboxyethylchitosan in aqueous solution: effects of pH, polymer concentration, and presence of a gemini surfactant. Carbohydr Res 2010; 345:101-7. [DOI: 10.1016/j.carres.2009.10.018] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2009] [Revised: 10/14/2009] [Accepted: 10/20/2009] [Indexed: 11/16/2022]
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Elsabee MZ, Morsi RE, Al-Sabagh AM. Surface active properties of chitosan and its derivatives. Colloids Surf B Biointerfaces 2009; 74:1-16. [PMID: 19682870 DOI: 10.1016/j.colsurfb.2009.06.021] [Citation(s) in RCA: 105] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2009] [Revised: 05/16/2009] [Accepted: 06/16/2009] [Indexed: 10/20/2022]
Abstract
This review discusses the definition of surface active agents and specifically natural polymeric surface active agents. Chitosan by itself was found to have weak surface activity since it has no hydrophobic segments. Chemical modifications of chitosan could improve such surface activity. This is achieved by introducing hydrophobic substituents in its glucosidic group. Several examples of chitosan derivatives with surfactant activity have been surveyed. The surface active polymers form micelles and aggregates which have enormous importance in the entrapment of water-insoluble drugs and consequently applications in the controlled drug delivery and many biomedical fields. Chitosan also interacts with several substrates by electrostatic and hydrophobic interactions with considerable biomedical applications.
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Affiliation(s)
- Maher Z Elsabee
- Department of Chemistry, Faculty of Science, Cairo University, 12613 Cairo 12613, Egypt.
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Pepić I, Filipović-Grčić J, Jalšenjak I. Bulk properties of nonionic surfactant and chitosan mixtures. Colloids Surf A Physicochem Eng Asp 2009. [DOI: 10.1016/j.colsurfa.2008.11.034] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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