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Zhao L, Chen S, Xie C, Liang Q, Xu D, Chen W, Xiao X. The fabrication of multifunctional sodium alginate scaffold incorporating ibuprofen-loaded modified PLLA microspheres based on cryogenic 3D printing. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1269-1288. [PMID: 35235492 DOI: 10.1080/09205063.2022.2049059] [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: 11/21/2021] [Revised: 02/27/2022] [Accepted: 03/01/2022] [Indexed: 06/14/2023]
Abstract
A strategy to develop a multifunctional sodium alginate personalized scaffold with enhanced mechanical stability, osteogenesis activity and excellent anti-inflammatory activity by cryogenic 3 D printing combined with subsequent crosslinking with Sr2+ is proposed in this study. The ink for 3 D printing was prepared by dispersing modified PLLA droplets containing ibuprofen into sodium alginate aqueous solution using lecithin as stabilizer. The results showed that the drug-loaded microspheres formed from the low-temperature solidifying of the modified PLLA droplets were homogeneously dispersed in sodium alginate substrate, and the scaffold displayed a sustained drug release performance toward ibuprofen which endowed the scaffold with persistent anti-inflammatory effects. In vitro cell culture indicated that the lecithin not only acted as the stabilizer, but also stimulated the proliferation and mineralization of osteoblastic cells on the scaffold. Sr2+-crosslinking improved the mechanical properties and osteogenic activity of the scaffold.
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Affiliation(s)
- Lihua Zhao
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Material Science, Fujian Normal University, Fuzhou, Fujian, China
| | - Shunyu Chen
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Material Science, Fujian Normal University, Fuzhou, Fujian, China
| | - Chunling Xie
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Material Science, Fujian Normal University, Fuzhou, Fujian, China
| | - Qingshuang Liang
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Material Science, Fujian Normal University, Fuzhou, Fujian, China
| | - Dian Xu
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Material Science, Fujian Normal University, Fuzhou, Fujian, China
| | - Weixin Chen
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Material Science, Fujian Normal University, Fuzhou, Fujian, China
| | - Xiufeng Xiao
- Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Material Science, Fujian Normal University, Fuzhou, Fujian, China
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2
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Gutiérrez-Méndez N, Chavez-Garay DR, Leal-Ramos MY. Lecithins: A comprehensive review of their properties and their use in formulating microemulsions. J Food Biochem 2022; 46:e14157. [PMID: 35355280 DOI: 10.1111/jfbc.14157] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 03/08/2022] [Accepted: 03/15/2022] [Indexed: 11/28/2022]
Abstract
Lecithins are a phospholipid-rich mixture recovered from the degumming process of crude vegetable oils. Since the nineteenth century, this by-product of oil processing has been used as a food and pharmaceutical ingredient. Lecithins' popularity as an ingredient in the pharmaceutical and food industries arises from their particular properties, such as their hydrophilic-lipophilic balance, critical micellar concentration, and assembly properties. However, there is limited knowledge of the use of lecithins to formulate pharmaceutical- and food-grade microemulsions. Unlike conventional emulsions, microemulsions are thermodynamically stable systems that offer long-term stability. Besides, microemulsions show nano-sized droplets, transparency, ease of preparation and scale-up, and do not require expensive equipment. This review aims to provide a comprehensive overview of lecithins, their properties, and their use in formulating microemulsions, a promising method to incorporate, protect, and deliver bioactive compounds in pharmaceutical and food products. PRACTICAL APPLICATIONS: Lecithins are a phospholipid-rich mixture recovered from the degumming process of crude vegetable oils. Since the nineteenth century, this by-product of oil processing has been used as a food ingredient. Lecithin phospholipids are commonly used as emulsifier agents in the food and pharmaceutical industries because of their particular properties. However, there is limited knowledge of the use of lecithins to formulate pharmaceutical- or food-grade microemulsions. Unlike conventional emulsions, microemulsions are stable systems that offer long-term stability, nano-sized droplets, transparency, ease of preparation and scale-up, and do not require expensive equipment. This review aims to provide a comprehensive overview of lecithins, their properties, and their use in formulating microemulsions, a promising method to incorporate, protect, and deliver bioactive compounds such as vitamins, flavors, antioxidants, nutrients, colors, antimicrobials, and polyphenols.
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Ahmed HM, Nabavi S, Behzad S. Herbal Drugs and Natural Products in the light of Nanotechnology and Nanomedicine for Developing Drug Formulations. Mini Rev Med Chem 2021; 21:302-313. [PMID: 32938347 DOI: 10.2174/1389557520666200916143240] [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: 04/06/2020] [Revised: 06/29/2020] [Accepted: 08/11/2020] [Indexed: 11/22/2022]
Abstract
Natural products and medicinal plants have played a vital role in providing healthcare and ensuring well-being for many civilizations since antiquity. It is estimated that around 50% of drugs in the market have a natural product origin especially medicinal plants and herbal drugs, animals, fungi, and marine organisms. Some of these biologically active constituents of extracts have low absorption and distribution which, as a result, lead to loss of bioavailability and efficacy and might hamper their applications in the clinic. To overcome these impediments for the formulation of herbal drugs, food supplements, and essential oils, several nanomedical approaches such as liposomes, microemulsions, polymeric nanoparticles, solid lipid nanoparticles (SLNs), liquid crystal systems (LC), and precursor systems for liquid crystals (PSLCs) have been proposed. Nanoparticles have been used to modify and ameliorate the pharmacokinetic and pharmacodynamic properties of different drugs, thus incorporating biotechnological systems may be useful to enhance the bioavailability and bioactivity of herbal drug formulations. Consequently, essential for any natural compounds is the extent of its absorption after being ingested and its ability to be distributed in various tissues or organs of the body. The present review article aims to give an overview of the recent advancements in developing herbal drug formulations based on nanoparticle technologies.
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Affiliation(s)
- Hiwa M Ahmed
- Sulaimani Polytechnic University, Slemani, Kurdistan Region, Iraq
| | - Seyed Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Sahar Behzad
- Department of Pharmacognosy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Park C, Zuo J, Somayaji V, Lee BJ, Löbenberg R. Development of a novel cannabinoid-loaded microemulsion towards an improved stability and transdermal delivery. Int J Pharm 2021; 604:120766. [PMID: 34087415 DOI: 10.1016/j.ijpharm.2021.120766] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 05/20/2021] [Accepted: 05/30/2021] [Indexed: 02/07/2023]
Abstract
The aim of this study was to develop a stable microemulsion (ME) for transdermal delivery of tetrahydrocannabinolic acid (THCA) and cannabidiolic acid (CBDA). The lipid-based vehicles were selected by screening cannabinoid solubility and the emulsifying ability of surfactants. Pseudo-ternary phase diagrams were constructed by formulation of cannabinoids with Capryol® 90 as oil phase, Tween® 80, Solutol® HS15, Procetyl® AWS, and Cremophor® RH40 as surfactants, ethanol as cosurfactant, and distilled water as the aqueous phase. A significant improvement in transmembrane flux (Jss), permeability coefficient (Kp), and enhancement ratio (ER) was found in one system compared to other formulations. This ME consisted of 1.0% (w/w) of cannabinoids, 5% (w/w) of Capryol® 90, 44% (w/w) Smix (2:1, Procetyl® AWS and Ethanol) and 50.0% (w/w) of distilled water. Additionally, the effects of pH on the permeation of the cannabinoids were investigated. Based on the pH value THCA and CBDA-loaded ME exhibited the highest permeation at pH 5.17 and pH 5.25. After storing the pH-adjusted P2 ME and the optimized P2 ME for 180 days at 4℃ and 25℃, the content of cannabinoids was over 95%. Consequently, the cannabinoid-loaded ME system is a promising option for solubilizing and stabilizing lipophilic drugs like cannabinoids and utilize them for transdermal delivery.
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Affiliation(s)
- Chulhun Park
- Faculty of Pharmacy & Pharmaceutical Sciences, University of Alberta, Edmonton AB T6G 2E1, Canada; College of Pharmacy and Institute of Pharmaceutical Science and Technology, Ajou University, Suwon 16499, Republic of Korea.
| | - Jieyu Zuo
- Faculty of Pharmacy & Pharmaceutical Sciences, University of Alberta, Edmonton AB T6G 2E1, Canada.
| | - Vijay Somayaji
- Faculty of Pharmacy & Pharmaceutical Sciences, University of Alberta, Edmonton AB T6G 2E1, Canada.
| | - Beom-Jin Lee
- College of Pharmacy, Ajou University, Suwon 16499, South Korea; College of Pharmacy and Institute of Pharmaceutical Science and Technology, Ajou University, Suwon 16499, Republic of Korea.
| | - Raimar Löbenberg
- Faculty of Pharmacy & Pharmaceutical Sciences, University of Alberta, Edmonton AB T6G 2E1, Canada.
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5
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Wu Y, Parrish C, Micklavzina BL, Suszynski WJ, Woshnak LL, Mitmesser SH, Kumar S, Dutcher CS, Ge H. Flow behavior of concentrated tricalcium phosphate suspensions in oil through injection for softgel encapsulation. Int J Pharm 2021; 601:120562. [PMID: 33811965 DOI: 10.1016/j.ijpharm.2021.120562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 03/06/2021] [Accepted: 03/28/2021] [Indexed: 10/21/2022]
Abstract
Softgel encapsulation is an important manufacturing process used to produce convenient oral dosage forms of pharmaceuticals and dietary supplements. An important step in this process involves the injection of a fill material into a gelatin lined mold, and poor flow of the fill material during the injection may lead to undesired defects. We investigated the effect of fill composition on the injection behavior of an oil-based tricalcium phosphate (TCP) suspension containing lecithin by rheological measurements, capillary breakup extensional rheometry (CaBER), and high-speed flow visualization experiments. Shear rheology for TCP suspensions in soybean oil at concentrations of 27.8 wt% and 55.6 wt% showed shear thinning behaviors both with and without the addition of lecithin. Adding up to 0.5 wt% lecithin led to decreases in shear viscosity, while additions up to 1 wt% caused a slight increase. Results from CaBER and breakoff studies indicated that the length at which flow breakoff occurs was closely related to the Ohnesorge number, a dimensionless parameter representing the relative importance of viscous to surface-tension forces during breakoff, with higher values correlated to longer breakoff lengths. An optimal lecithin concentration exists for minimized TCP suspension viscosity which shortens flow breakoff times and improves softgel capsule seaming quality.
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Affiliation(s)
- Yan Wu
- Pharmavite LLC., 28310 Livingston Ave., Valencia, CA 91355, USA
| | - Chance Parrish
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave. SE, Minneapolis, MN 55455, USA
| | - Benjamin L Micklavzina
- Department of Mechanical Engineering, University of Minnesota, 111 Church St SE, Minneapolis, MN 55455, USA
| | - Wieslaw J Suszynski
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave. SE, Minneapolis, MN 55455, USA
| | - Lana L Woshnak
- Pharmavite LLC., 28310 Livingston Ave., Valencia, CA 91355, USA
| | | | - Satish Kumar
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave. SE, Minneapolis, MN 55455, USA
| | - Cari S Dutcher
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave. SE, Minneapolis, MN 55455, USA; Department of Mechanical Engineering, University of Minnesota, 111 Church St SE, Minneapolis, MN 55455, USA
| | - Haiyan Ge
- Pharmavite LLC., 28310 Livingston Ave., Valencia, CA 91355, USA.
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6
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Microemulsion systems: from the design and architecture to the building of a new delivery system for multiple-route drug delivery. Drug Deliv Transl Res 2020; 11:2108-2133. [PMID: 33164165 DOI: 10.1007/s13346-020-00872-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/15/2020] [Indexed: 02/04/2023]
Abstract
Poorly soluble active pharmaceutical ingredients (APIs) create major problems in drug dosage form formulation resulting in significant delays in drug pharmaceutical screening, impairing the drug dosage form production. Aiming to minimize the use of excipients for increasing drug apparent solubility and, as a result, its bioavailability, exploration of innovative approaches is an earnest need. Microemulsion is an alternative drug delivery system that emerged as a valuable tool to achieve safe formulations for insoluble compounds and to improve their biopharmaceutical properties and pharmacokinetics. This review aims to present the state of the art of microemulsion systems, bringing an overview about their origin and how they can be properly produced and thoroughly characterized by different approaches. Furthermore, comments on regulatory issues regarding stability assessment and toxicity evaluation are discussed. The review concludes with a current opinion on microemulsion systems. The overall objective of this work was to describe all the potentialities of microemulsion systems as a drug carrier for therapeutic purposes, highlighting the unique features of this nanotechnological platform. Display Image.
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7
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Zhao J, Jiang K, Chen Y, Chen J, Zheng Y, Yu H, Zhu J. Preparation and Characterization of Microemulsions Based on Antarctic Krill Oil. Mar Drugs 2020; 18:E492. [PMID: 32993042 PMCID: PMC7601059 DOI: 10.3390/md18100492] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/23/2020] [Accepted: 09/23/2020] [Indexed: 12/18/2022] Open
Abstract
Antarctic krill oil is high in nutritional value and has biological functions like anti-inflammation and hypolipidemic effects. But it has and unpleasant smell, and unsaturated fatty acids are prone to oxidative deterioration. Its high viscosity and low solubility in water make it difficult for processing. Microemulsion can be a new promising route for development of krill oil product. We determined a formula of krill oil-in-water microemulsion with krill oil: isopropyl myristate = 1:3 as oil phase, Tween 80:Span 80 = 8:2 as surfactant, ethanol as co-surfactant and the mass ratio of surfactant to co-surfactant of 3:1. After screening the formula, we researched several characteristics of the prepared oil-in-water microemulsion, including electrical conductivity, microstructure by transmission electron microscope and cryogenic transmission electron microscope, droplet size analysis, rheological properties, thermal behavior by differential scanning calorimeter and stability against pH, salinity, and storage time.
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Affiliation(s)
| | | | | | | | | | | | - Jiajin Zhu
- Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, Zhejiang, China; (J.Z.); (K.J.); (Y.C.); (J.C.); (Y.Z.); (H.Y.)
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8
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Ribeiro EB, de Marchi PGF, Honorio-França AC, França EL, Soler MAG. Interferon-gamma carrying nanoemulsion with immunomodulatory and anti-tumor activities. J Biomed Mater Res A 2019; 108:234-245. [PMID: 31587469 DOI: 10.1002/jbm.a.36808] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 09/14/2019] [Accepted: 09/16/2019] [Indexed: 12/20/2022]
Abstract
The therapeutic administration of cytokines has been introduced aiming to modulate the immune response system, seeking for different approaches to face pathologies such as cancer, auto immune and infectious diseases. The objective of this study was to investigate the effects of a stable oil-in-water (O/W) nanoemulsion system carrying the cytokine Interferon gamma (IFN-γ) on the activity of phagocytes and MCF-7 human breast cancer cells. Nanoemulsions were prepared through ultra-homogenization, and they consisted of distilled water, triglycerides of capric acid/caprylic, sorbitan-oleate, polysorbate 80, and 1-butanol. IFN-γ (100 ng ml-1 ) was incorporated into two O/W nanoemulsion formulations, and these formulations were characterized in terms of their preliminary and accelerated physicochemical stability, rheological properties, droplet size, polydispersity and surface charge. We identified the most optimal IFN-γ nanoemulsion (IFN-γNE2), which remained stable under extreme temperature variations for 90 days, contained an average dose of 97 ng ml-1 of IFN-γ and exhibited a biocompatible pH and a relative stable rheological profile. Cell viability and intracellular Ca2+ release assays conducted showed that IFN-γNE2 reduced the cell viability of MCF-7 cells without affecting the cell viability of phagocytes. Furthermore, IFN-γNE2 was able to induce cellular activity of phagocytes as evidenced by increased intracellular Ca2+ release in these cells. Our findings on this IFN-γ nanoemulsion suggest that it can be a promising therapeutic agent for immunostimulation and cancer treatment.
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Affiliation(s)
- Elton B Ribeiro
- Institute of Physics, University of Brasilia, Brasilia-DF, Brazil.,Institute of Health Science, Federal University of Mato Grosso, Sinop, MT, Brazil
| | - Patricia G F de Marchi
- Institute of Biological and Health Science, Federal University of Mato Grosso, Barra do Garças, MT, Brazil
| | - Adenilda C Honorio-França
- Institute of Biological and Health Science, Federal University of Mato Grosso, Barra do Garças, MT, Brazil
| | - Eduardo L França
- Institute of Biological and Health Science, Federal University of Mato Grosso, Barra do Garças, MT, Brazil
| | - Maria A G Soler
- Institute of Physics, University of Brasilia, Brasilia-DF, Brazil
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9
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In-vitro and in-vivo antileishmanial activity of inexpensive Amphotericin B formulations: Heated Amphotericin B and Amphotericin B-loaded microemulsion. Exp Parasitol 2018; 192:85-92. [DOI: 10.1016/j.exppara.2018.07.017] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 06/18/2018] [Accepted: 07/30/2018] [Indexed: 12/20/2022]
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10
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Oliveira WN, Amaral-Machado L, Alencar EN, Marcelino HR, Genre J, Silva-Rocha WP, Gondim AD, Chaves GM, Fernandes-Pedrosa MF, Egito EST. Getting the Jump on the Development of Bullfrog Oil Microemulsions: a Nanocarrier for Amphotericin B Intended for Antifungal Treatment. AAPS PharmSciTech 2018; 19:2585-2597. [PMID: 29916194 DOI: 10.1208/s12249-018-1093-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 05/29/2018] [Indexed: 12/11/2022] Open
Abstract
Amphotericin B (AmB), a potent antifungal drug, presents physicochemical characteristics that impair the development of suitable dosage forms. In order to overcome the AmB insolubility, several lipid carriers such as microemulsions have been developed. In this context, the bullfrog oil stands out as an eligible oily phase component, since its cholesterol composition may favor the AmB incorporation. Thus, the aim of this study was to develop a microemulsion based on bullfrog oil containing AmB. Moreover, its thermal stability, antifungal activity, and cytotoxicity in vitro were evaluated. The microemulsion formulation was produced using the pseudo-ternary phase diagram (PTPD) approach and the AmB was incorporated based on the pH variation technique. The antifungal activity was evaluated by determination of minimal inhibitory concentration (MIC) against different species of Candida spp. and Trichosporon asahii. The bullfrog oil microemulsion, stabilized with 16.8% of a surfactant blend, presented an average droplet size of 26.50 ± 0.14 nm and a polydispersity index of 0.167 ± 0.006. This system was able to entrap AmB up to 2 mg mL-1. The use of bullfrog oil as oily phase allowed an improvement of the thermal stability of the system. The MIC assay results revealed a growth inhibition for different strains of Candida spp. and were able to enhance the activity of AmB against T. asahii. The microemulsion was also able to reduce the AmB toxicity. Finally, the developed microemulsion showed to be a suitable system to incorporate AmB, improving the system's thermal stability, increasing the antifungal activity, and reducing the toxicity of this drug.
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11
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de Araújo MM, Streck L, de Souza I, Caroni ALP, Fernandes-Pedrosa MF, Sarmento VH, da Silva-Júnior AA. Surfactant-oil interactions overcoming physicochemical instability and insoluble praziquantel loading in soybean oil dispersions. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2017.12.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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12
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Yan X, Xu W, Chen L, Shao R. Food-grade Water in Oil Microemulsion as a Potential Approach for Tea Polyphenols Encapsulation. TENSIDE SURFACT DET 2018. [DOI: 10.3139/113.110538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Food-grade water in oil (W/O) microemulsions were developed and characterized in order to use them as potential tea polyphenols (TP) carriers. The physicochemical characteristics of microemulsions (TP-loaded and blank microemulsions) were investigated by rheological measurements, differential scanning calorimetry (DSC), dynamic light scattering (DLS) and 1H nuclear magnetic resonance (1H NMR). The thermal behavior of the microemulsion system implied that the water molecules were competitively bound. Chemical shift patterns for all samples were not sensitive to the addition of TP. The microscopic images showed that both the non-loaded and the TP-loaded microemulsions had a spherical shape, in particular the TP-loaded microemulsions had a specific core-shell morphology. TP solubilized in the microemulsions was much more stable than that dissolved in water solution. The release process of TP in water solution was faster than that of microemulsions.
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13
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Langasco R, Tanrıverdi ST, Özer Ö, Roldo M, Cossu M, Rassu G, Giunchedi P, Gavini E. Prolonged skin retention of clobetasol propionate by bio-based microemulsions: a potential tool for scalp psoriasis treatment. Drug Dev Ind Pharm 2017; 44:398-406. [PMID: 29098874 DOI: 10.1080/03639045.2017.1395458] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Novel effective and cosmetically acceptable formulations are needed for the treatment of scalp psoriasis, due to the poor efficacy of the current products. The challenge in developing safe, efficient, and convenient delivery systems for this drug was addressed in the present work by formulating clobetasol propionate-loaded W/O microemulsions (MEs). Pseudo-ternary phase diagrams were constructed by using a combination of biocompatible and biodegradable excipients. Characterization studies demonstrated that selected MEs had suitable technological features such as being Newtonian fluids, possessing low viscosity, and high thermodynamic stability. Photomicrographs showed a significant alteration of the skin structure after treatment with MEs, and a preferential concentration of these in the stratum corneum and epidermis. These data, together with ex vivo permeation results, suggested an enhanced topical targeted effect due to an increased drug retention efficacy in the upper skin layers, as desired. Moreover, the bio-based excipients selected could contribute to the healing of the psoriatic scalp. In this way, the improvement of clobetasol efficacy is combined with the useful properties of the microemulsion components and with environmental safety.
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Affiliation(s)
- Rita Langasco
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Sakine Tuncay Tanrıverdi
- b Department of Pharmaceutical Technology, Faculty of Pharmacy , Ege University , Izmir , Turkey
| | - Özgen Özer
- b Department of Pharmaceutical Technology, Faculty of Pharmacy , Ege University , Izmir , Turkey
| | - Marta Roldo
- c School of Pharmacy and Biomedical Sciences , University of Portsmouth , Portsmouth , UK
| | - Massimo Cossu
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Giovanna Rassu
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Paolo Giunchedi
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Elisabetta Gavini
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
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14
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Tacrolimus loaded biocompatible lecithin-based microemulsions with improved skin penetration: Structure characterization and in vitro/in vivo performances. Int J Pharm 2017; 529:491-505. [DOI: 10.1016/j.ijpharm.2017.07.036] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 07/09/2017] [Accepted: 07/11/2017] [Indexed: 12/20/2022]
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15
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da Silva GBRF, Alécio AC, Scarpa MVC, do Egito EST, Sequinel R, Hatanaka RR, Oliveira JE, Oliveira AGD. An analytical GC-MS method to quantify methyl dihydrojasmonate in biocompatible oil-in-water microemulsions: physicochemical characterization and in vitro release studies. Pharm Dev Technol 2017; 23:151-157. [PMID: 28565943 DOI: 10.1080/10837450.2017.1337792] [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: 10/19/2022]
Abstract
Microemulsions (MEs) loaded with methyl dihydrojasmonate (MJ) were developed to improve the aqueous solubility of this drug. The composition of the formulations ranged according to the oil/surfactant ratio (O/S). The MEs were characterized according to diameter of droplets, X-ray diffraction and polarized light microscopy. The MJ identification and quantification was performed by gas chromatography-mass spectrometry (GC-MS). The MJ showed a retention time of ∼16.7 min for all samples. The obtained correlation coefficient from the calibration graph was 0.991. The developed analytical method was effective enough to quantify low and high concentrations of MJ. The increase of the O/S ME ratio led to a reduction of the droplet diameter. All formulations showed an amorphous structure and the behavior varied between isotropic and anisotropic systems. A decrease in the release of MJ with the increase of the O/S ratio in the formulations was observed. The analytical method developed for the quantitative determination of MJ is suitable to detect and quantify the drug compound from different compositions of MEs in the in vitro release test, and by analogy in other prolonged effects related to the drug reservoir effect of these systems was observed, revealing that ME can be a promising nanocarrier for MJ delivery to tumor cells.
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Affiliation(s)
- Gisela Bevilacqua Rolfsen Ferreira da Silva
- a Faculdade de Ciências Farmacêuticas, Departamento de Fármacos e Medicamentos, PPG em Ciências Farmacêuticas , Unesp-Universidade Estadual Paulista , Araraquara , SP , Brazil
| | - Alberto Camilo Alécio
- b Instituto de Quimica, Centro de Monitoramento e Pesquisa da Qualidade de Combustíveis (CEMPEQC) , Unesp-Universidade Estadual Paulista , Araraquara , SP , Brazil
| | - Maria Virginia Costa Scarpa
- a Faculdade de Ciências Farmacêuticas, Departamento de Fármacos e Medicamentos, PPG em Ciências Farmacêuticas , Unesp-Universidade Estadual Paulista , Araraquara , SP , Brazil
| | | | - Rodrigo Sequinel
- b Instituto de Quimica, Centro de Monitoramento e Pesquisa da Qualidade de Combustíveis (CEMPEQC) , Unesp-Universidade Estadual Paulista , Araraquara , SP , Brazil
| | - Rafael Rodrigues Hatanaka
- b Instituto de Quimica, Centro de Monitoramento e Pesquisa da Qualidade de Combustíveis (CEMPEQC) , Unesp-Universidade Estadual Paulista , Araraquara , SP , Brazil
| | - José Eduardo Oliveira
- b Instituto de Quimica, Centro de Monitoramento e Pesquisa da Qualidade de Combustíveis (CEMPEQC) , Unesp-Universidade Estadual Paulista , Araraquara , SP , Brazil
| | - Anselmo Gomes de Oliveira
- a Faculdade de Ciências Farmacêuticas, Departamento de Fármacos e Medicamentos, PPG em Ciências Farmacêuticas , Unesp-Universidade Estadual Paulista , Araraquara , SP , Brazil
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Structural Features and the Anti-Inflammatory Effect of Green Tea Extract-Loaded Liquid Crystalline Systems Intended for Skin Delivery. Polymers (Basel) 2017; 9:polym9010030. [PMID: 30970708 PMCID: PMC6431852 DOI: 10.3390/polym9010030] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 12/21/2016] [Accepted: 01/12/2017] [Indexed: 01/02/2023] Open
Abstract
Camellia sinensis, which is obtained from green tea extract (GTE), has been widely used in therapy owing to the antioxidant, chemoprotective, and anti-inflammatory activities of its chemical components. However, GTE is an unstable compound, and may undergo reactions that lead to a reduction or loss of its effectiveness and even its degradation. Hence, an attractive approach to overcome this problem to protect the GTE is its incorporation into liquid crystalline systems (LCS) that are drug delivery nanostructured systems with different rheological properties, since LCS have both fluid liquid and crystalline solid properties. Therefore, the aim of this study was to develop and characterize GTE-loaded LCS composed of polyoxypropylene (5) polyoxyethylene (20) cetyl alcohol, avocado oil, and water (F25E, F29E, and F32E) with different rheological properties and to determine their anti-inflammatory efficacy. Polarized light microscopy revealed that the formulations F25, F29, and F32 showed hexagonal, cubic, and lamellar liquid crystalline mesophases, respectively. Rheological studies showed that F32 is a viscous Newtonian liquid, while F25 and F29 are dilatant and pseudoplastic non-Newtonian fluids, respectively. All GTE-loaded LCS behaved as pseudoplastic with thixotropy; furthermore, the presence of GTE increased the S values and decreased the n values, especially in F29, indicating that this LCS has the most organized structure. Mechanical and bioadhesive properties of GTE-unloaded and -loaded LCS corroborated the rheological data, showing that F29 had the highest mechanical and bioadhesive values. Finally, in vivo inflammation assay revealed that the less elastic and consistent LCS, F25E and F32E presented statistically the same anti-inflammatory activity compared to the positive control, decreasing significantly the paw edema after 4 h; whereas, the most structured and elastic LCS, F29E, strongly limited the potential effects of GTE. Thereby, the development of drug delivery systems with suitable rheological properties may enhance GTE bioavailability, enabling its administration via the skin for the treatment of inflammation.
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Xavier-Junior FH, Huang N, Vachon JJ, Rehder VLG, do Egito EST, Vauthier C. Match of Solubility Parameters Between Oil and Surfactants as a Rational Approach for the Formulation of Microemulsion with a High Dispersed Volume of Copaiba Oil and Low Surfactant Content. Pharm Res 2016; 33:3031-3043. [PMID: 27599989 DOI: 10.1007/s11095-016-2025-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Accepted: 08/16/2016] [Indexed: 11/28/2022]
Abstract
PURPOSE Aim was to formulate oil-in-water (O/W) microemulsion with a high volume ratio of complex natural oil, i.e. copaiba oil and low surfactant content. The strategy of formulation was based on (i) the selection of surfactants based on predictive calculations of chemical compatibility between their hydrophobic moiety and oil components and (ii) matching the HLB of the surfactants with the required HLB of the oil. METHOD Solubility parameters of the hydrophobic moiety of the surfactants and of the main components found in the oil were calculated and compared. In turn, required HLB of oils were calculated. Selection of surfactants was achieved matching their solubility parameters with those of oil components. Blends of surfactants were prepared with HLB matching the required HLB of the oils. Oil:water mixtures (15:85 and 25:75) were the titrated with surfactant blends until a microemulsion was formed. RESULTS Two surfactant blends were identified from the predictive calculation approach. Microemulsions containing up to 19.6% and 13.7% of selected surfactant blends were obtained. CONCLUSION O/W microemulsions with a high volume fraction of complex natural oil and a reasonable surfactant concentration were formulated. These microemulsions can be proposed as delivery systems for the oral administration of poorly soluble drugs.
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Affiliation(s)
- Francisco Humberto Xavier-Junior
- Université Paris-Sud, Institut Galien Paris Sud - UMR CNRS 8612 - Faculté de Pharmacie, 92296, Chatenay-Malabry Cedex, France.,Universidade Federal do Rio Grande do Norte, Centro de Ciências da Saúde, Departamento de Farmácia, Laboratório de Sistemas Dispersos (LaSiD), Av. Gal. Gustavo Cordeiro de Farias, S/N, Petrópolis, 59010-180, Natal, RN, Brazil
| | - Nicolas Huang
- Université Paris-Sud, Institut Galien Paris Sud - UMR CNRS 8612 - Faculté de Pharmacie, 92296, Chatenay-Malabry Cedex, France
| | - Jean-Jacques Vachon
- Université Paris-Sud, Institut Galien Paris Sud - UMR CNRS 8612 - Faculté de Pharmacie, 92296, Chatenay-Malabry Cedex, France
| | - Vera Lucia Garcia Rehder
- Universidade Estadual de Campinas (UNICAMP) - Centro Pluridisciplinar de Pesquisas Químicas, Biológicas e Agrícolas. Rua Alexandre Cazelatto, 999, Vila Betel, Paulínia, SP, Brazil
| | - Eryvaldo Sócrates Tabosa do Egito
- Universidade Federal do Rio Grande do Norte, Centro de Ciências da Saúde, Departamento de Farmácia, Laboratório de Sistemas Dispersos (LaSiD), Av. Gal. Gustavo Cordeiro de Farias, S/N, Petrópolis, 59010-180, Natal, RN, Brazil
| | - Christine Vauthier
- Université Paris-Sud, Institut Galien Paris Sud - UMR CNRS 8612 - Faculté de Pharmacie, 92296, Chatenay-Malabry Cedex, France.
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Guo RX, Fu X, Chen J, Zhou L, Chen G. Preparation and Characterization of Microemulsions of Myricetin for Improving Its Antiproliferative and Antioxidative Activities and Oral Bioavailability. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:6286-94. [PMID: 27455843 DOI: 10.1021/acs.jafc.6b02184] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
To improve the bioactivity and oral bioavailability of myricetin, a microemulsion formulation was successfully developed, which consisted of Cremophor RH40 (12%), Tween 80 (6%), Transcutol HP (9%), WL 1349 (18%), and distilled water (55%). With lower content of surfactants and higher stability after dilution and storage for 6 months, the optimized myricetin microemulsion (MYR-ME) could dramatically enhance the solubility of myricetin 1225 times that in water. MYR-ME significantly increased antiproliferative activity against human cancer cell HepG2 without influence on normal cell LO2. It also notably improved the cellular antioxidative activity of myricetin. Furthermore, the oral bioavailability of myricetin was remarkably enhanced by MYR-ME in Sprague-Dawley rats after oral administration, which was 14.43-fold that with myricetin suspension. Therefore, the MYR-ME developed here could be used as a potential carrier for myricetin with substantially enhanced bioactivities and bioavailability and might promote myricetin's future utilization in functional foods and cosmetics.
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Affiliation(s)
- Rui Xue Guo
- School of Food Science and Engineering, South China University of Technology , Guangzhou 510640, China
| | - Xiong Fu
- School of Food Science and Engineering, South China University of Technology , Guangzhou 510640, China
| | - Jian Chen
- School of Food Science and Engineering, South China University of Technology , Guangzhou 510640, China
| | - Lin Zhou
- School of Food Science and Engineering, South China University of Technology , Guangzhou 510640, China
- School of Biosciences and Biopharmaceutics, Guangdong Pharmaceutical University , Guangzhou 510006, China
| | - Gu Chen
- School of Food Science and Engineering, South China University of Technology , Guangzhou 510640, China
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Xu Z, Jin J, Zheng M, Zheng Y, Xu X, Liu Y, Wang X. Co-surfactant free microemulsions: Preparation, characterization and stability evaluation for food application. Food Chem 2016; 204:194-200. [DOI: 10.1016/j.foodchem.2016.01.073] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 12/08/2015] [Accepted: 01/18/2016] [Indexed: 11/29/2022]
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Phase Transitions of Isotropic to Anisotropic Biocompatible Lipid-Based Drug Delivery Systems Overcoming Insoluble Benznidazole Loading. Int J Mol Sci 2016; 17:ijms17070981. [PMID: 27376278 PMCID: PMC4964366 DOI: 10.3390/ijms17070981] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 06/13/2016] [Accepted: 06/14/2016] [Indexed: 02/08/2023] Open
Abstract
Previous studies reported low benznidazole (BNZ) loading in conventional emulsions due to the weak interaction of the drug with the most common oils used to produce foods or pharmaceuticals. In this study, we focused on how the type of surfactant, surfactant-to-oil ratio w/w (SOR) and oil-to-water ratio w/w (OWR) change the phase behavior of different lipid-based drug delivery systems (LBDDS) produced by emulsion phase inversion. The surfactant mixture composed of soy phosphatidylcholine and sodium oleate (1:7, w/w, hydrophilic lipophilic balance = 16) stabilized medium chain triglyceride in water. Ten formulations with the clear aspect or less turbid dispersions (five with the SOR ranging from 0.5 to 2.5 and five with the OWR from 0.06 to 0.4) were selected from the phase behavior diagram to assess structural features and drug-loading capacity. The rise in the SOR induced the formation of distinct lipid-based drug delivery systems (nanoemulsions and liquid crystal lamellar type) that were identified using rheological measurements and cross-polarized light microscopy images. Clear dispersions of small and narrow droplet-sized liquid-like nanoemulsions, Newtonian flow-type, were produced at SOR from 0.5 to 1.5 and OWR from 0.12 to 0.4, while clear liquid or gel-like liquid crystals were produced at SOR from 1.5 to 2.5. The BNZ loading was improved according to the composition and type of LBDDS produced, suggesting possible drug location among surfactant layers. The cell viability assays proved the biocompatibility for all of the prepared nanoemulsions at SOR less than 1.5 and liquid crystals at SOR less than 2.5, demonstrating their promising features for the oral or parenteral colloidal delivery systems containing benznidazole for Chagas disease treatment.
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Aloisio C, Longhi MR, De Oliveira AG. Development and Characterization of a Biocompatible Soybean Oil-Based Microemulsion for the Delivery of Poorly Water-Soluble Drugs. J Pharm Sci 2015; 104:3535-43. [PMID: 26149419 DOI: 10.1002/jps.24555] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 05/19/2015] [Accepted: 06/04/2015] [Indexed: 11/11/2022]
Abstract
The aim of this work was the development and characterization of a biocompatible microemulsion (ME) containing soybean oil (O), phosphatidylcholine/sodium oleate/Eumulgin®HRE40 as the surfactant mixture (S) and water or buffer solution as the aqueous phase (W), for oral delivery of the poorly water-soluble drugs sulfamerazine (SMR) and indomethacin (INM). A wide range of combinations to obtain clear oil-in-water (o/w) ME was observed from pseudo-ternary phase diagrams, which was greater after the incorporation of both drugs, suggesting that they acted as stabilizers. Drug partition studies indicated a lower affinity of the drugs for the oil domain when they were ionized and with increased temperature, explained by the fact that both drugs were introduced inside the oil domain, determined by nuclear magnetic resonance. High concentrations of SMR and INM were able to be incorporated (22.0 and 62.3 mg/mL, respectively). The ME obtained presented an average droplet size of 100 nm and a negative surface charge. A significant increase in the release of SMR was observed with the ME with the highest percentage of O, because of the solubilizing properties of the ME. Also, a small retention effect was observed for INM, which may be explained by the differences in the partitioning properties of the drugs.
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Affiliation(s)
- Carolina Aloisio
- Unidad de Investigación y Desarrollo en Ciencia y Tecnología Farmacéutica (UNITEFA-CONICET), Departamento de Farmacia, Facultad de Ciencias Químicas-Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba, X5000HUA, Argentina.,UNESP-Universidade Estadual Paulista, Faculdade de Ciências Farmacêuticas, Araraquara, São Paulo, 14801-902, Brazil
| | - Marcela R Longhi
- Unidad de Investigación y Desarrollo en Ciencia y Tecnología Farmacéutica (UNITEFA-CONICET), Departamento de Farmacia, Facultad de Ciencias Químicas-Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba, X5000HUA, Argentina
| | - Anselmo Gomes De Oliveira
- UNESP-Universidade Estadual Paulista, Faculdade de Ciências Farmacêuticas, Araraquara, São Paulo, 14801-902, Brazil
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Wiącek AE, Adryańczyk E. Interfacial Properties of Phosphatidylcholine-based Dispersed Systems. Ind Eng Chem Res 2015. [DOI: 10.1021/acs.iecr.5b01429] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Agnieszka Ewa Wiącek
- Department of Interfacial
Phenomena, Faculty of Chemistry, Maria Curie-Skłodowska University, 20031 Lublin, Poland
| | - Emilian Adryańczyk
- Department of Interfacial
Phenomena, Faculty of Chemistry, Maria Curie-Skłodowska University, 20031 Lublin, Poland
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Chen H, Guan Y, Zhong Q. Microemulsions based on a sunflower lecithin-Tween 20 blend have high capacity for dissolving peppermint oil and stabilizing coenzyme Q10. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:983-989. [PMID: 25560905 DOI: 10.1021/jf504146t] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The objectives of the present study were to improve the capability of microemulsions to dissolve peppermint oil by blending sunflower lecithin with Tween 20 and to study the possibility of codelivering lipophilic bioactive compounds. The oil loading in microemulsions with 20% (w/w) Tween 20 increased from 3% (w/w) to 20% (w/w) upon gradual supplementation of 6% (w/w) lecithin. All microemulsions had particles of <12 nm that did not change over 70 d of storage at 21 °C. They had relatively low Newtonian viscosities and were physically and chemically stable after 50-200-fold dilution in water, resulting from similar hydrophile-lipophile-balance values of the surfactant mixture and peppermint oil. Furthermore, the microemulsions were capable of dissolving coenzyme Q10 and preventing its degradation at UV 302 nm, more significant for the microemulsion with lecithin. Therefore, natural surfactant lecithin can reduce the use of synthetic Tween 20 to dissolve peppermint oil and protect the degradation of dissolved lipophilic bioactive components in transparent products.
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Affiliation(s)
- Huaiqiong Chen
- Department of Food Science and Technology, University of Tennessee , 2510 River Drive, Knoxville, Tennessee 37996, United States
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24
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Surfactant–cosurfactant interactions and process parameters involved in the formulation of stable and small droplet-sized benznidazole-loaded soybean O/W emulsions. J Mol Liq 2014. [DOI: 10.1016/j.molliq.2014.03.033] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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25
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Dogrul A, Arslan SA, Tirnaksiz F. Water/oil type microemulsion systems containing lidocaine hydrochloride:in vitroandin vivoevaluation. J Microencapsul 2014; 31:448-60. [DOI: 10.3109/02652048.2013.879926] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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26
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da Silva GBRF, Scarpa MV, Rossanezi G, do Egito EST, de Oliveira AG. Development and characterization of biocompatible isotropic and anisotropic oil-in-water colloidal dispersions as a new delivery system for methyl dihydrojasmonate antitumor drug. Int J Nanomedicine 2014; 9:867-76. [PMID: 24596463 PMCID: PMC3930478 DOI: 10.2147/ijn.s46055] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Microemulsions (MEs) are colloidal systems that can be used for drug-delivery and drug-targeting purposes. These systems are able to incorporate drugs modifying bioavailability and stability and reducing toxic effects. The jasmonate compounds belong to a group of plant stress hormones, and the jasmonic acid and its methyl ester derivative have been described as having anticancer activity. However, these compounds are very poorly water-soluble, not allowing administration by an intravenous route without an efficient nanostructured carrier system. In this work, biocompatible MEs of appropriate diameter size for intravenous route administration, loaded and unloaded with methyl dihydrojasmonate (MJ), were developed and described in a pseudo-ternary phase diagram. The compositions of the MEs were carefully selected from their own regions in the pseudo-ternary phase diagram. The formulations were analyzed by light scattering, polarized light microscopy, and X-ray diffraction. Also, a study on rheological profile was performed. The results showed that the droplet size decreased with both MJ incorporation and oil phase/surfactant ratio. All compositions of the studied MEs showed rheological behavior of pseudoplastic fluid and amorphous structures. In the absence of MJ, most of the studied MEs had thixotropic characteristics, which became antithixotropic in the presence of the drug. Almost all MJ-unloaded MEs presented anisotropic characteristics, but some formulations became isotropic, especially in the presence of MJ. The results of this study support the conclusion that the studied system represents a promising vehicle for in vivo administration of the MJ antitumor drug.
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Affiliation(s)
| | - Maria Virginia Scarpa
- Departamento de Fármacos e Medicamentos, Universidade Estadual Paulista (UNESP), Araraquara, SP, Brazil
| | - Gustavo Rossanezi
- Departamento de Fármacos e Medicamentos, Universidade Estadual Paulista (UNESP), Araraquara, SP, Brazil
| | | | - Anselmo Gomes de Oliveira
- Departamento de Fármacos e Medicamentos, Universidade Estadual Paulista (UNESP), Araraquara, SP, Brazil
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Bonifácio BV, Silva PBD, Ramos MADS, Negri KMS, Bauab TM, Chorilli M. Nanotechnology-based drug delivery systems and herbal medicines: a review. Int J Nanomedicine 2013; 9:1-15. [PMID: 24363556 PMCID: PMC3862741 DOI: 10.2147/ijn.s52634] [Citation(s) in RCA: 130] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Herbal medicines have been widely used around the world since ancient times. The advancement of phytochemical and phytopharmacological sciences has enabled elucidation of the composition and biological activities of several medicinal plant products. The effectiveness of many species of medicinal plants depends on the supply of active compounds. Most of the biologically active constituents of extracts, such as flavonoids, tannins, and terpenoids, are highly soluble in water, but have low absorption, because they are unable to cross the lipid membranes of the cells, have excessively high molecular size, or are poorly absorbed, resulting in loss of bioavailability and efficacy. Some extracts are not used clinically because of these obstacles. It has been widely proposed to combine herbal medicine with nanotechnology, because nanostructured systems might be able to potentiate the action of plant extracts, reducing the required dose and side effects, and improving activity. Nanosystems can deliver the active constituent at a sufficient concentration during the entire treatment period, directing it to the desired site of action. Conventional treatments do not meet these requirements. The purpose of this study is to review nanotechnology-based drug delivery systems and herbal medicines.
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Affiliation(s)
- Bruna Vidal Bonifácio
- School of Pharmaceutical Sciences, Postgraduate Program in Pharmaceutical Sciences, São Paulo State University, Araraquara, Brazil
| | - Patricia Bento da Silva
- School of Pharmaceutical Sciences, Postgraduate Program in Pharmaceutical Sciences, São Paulo State University, Araraquara, Brazil
| | | | - Kamila Maria Silveira Negri
- School of Pharmaceutical Sciences, Postgraduate Program in Pharmaceutical Sciences, São Paulo State University, Araraquara, Brazil
| | - Taís Maria Bauab
- School of Pharmaceutical Sciences, Postgraduate Program in Pharmaceutical Sciences, São Paulo State University, Araraquara, Brazil
| | - Marlus Chorilli
- School of Pharmaceutical Sciences, Postgraduate Program in Pharmaceutical Sciences, São Paulo State University, Araraquara, Brazil
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Das A, Mitra RK. Formulation and characterization of a biocompatible microemulsion composed of mixed surfactants: lecithin and Triton X-100. Colloid Polym Sci 2013. [DOI: 10.1007/s00396-013-3110-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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29
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El-Badry M, Fetih G, Shakeel F. Comparative topical delivery of antifungal drug croconazole using liposome and micro-emulsion-based gel formulations. Drug Deliv 2013; 21:34-43. [PMID: 24116896 DOI: 10.3109/10717544.2013.843610] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Silva AE, Barratt G, Chéron M, Egito EST. Development of oil-in-water microemulsions for the oral delivery of amphotericin B. Int J Pharm 2013; 454:641-8. [PMID: 23726904 DOI: 10.1016/j.ijpharm.2013.05.044] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2013] [Revised: 05/12/2013] [Accepted: 05/16/2013] [Indexed: 01/09/2023]
Abstract
Amphotericin B (AmB) is a very efficient drug against serious diseases such as leishmaniasis and systemic fungal infections. However, its oral bioavailability is limited due to its poor solubility in water. Nevertheless, it is marketed as high-cost lipid parenteral formulations that may induce serious infusion-related side effects. In this study, oil-in-water (O/W) microemulsions (MEs) were developed and characterized with a view to their use as solubility enhancers and oral delivery systems for AmB. Therefore, different nonionic surfactants from the Tween(®) and Span(®) series were tested for their solubilization capacity in combination with several oils. Based on pseudoternary phase diagrams, AmB-loaded MEs with mean droplet sizes about 120 nm were successfully produced. They were able to improve the drug solubility up to 1000-fold. Rheological studies showed the MEs to be low-viscosity formulations with Newtonian behavior. Circular dichroism and absorption spectra revealed that part of the AmB in the MEs was aggregated as an AmB reservoir carrier. Cytotoxicity studies revealed limited toxicity to macrophage-like cells that may allow the formulations to be considered as suitable carriers for AmB.
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Affiliation(s)
- Acarília Eduardo Silva
- Universidade Federal do Rio Grande do Norte, Faculdade Farmácia, Laboratório de Sistemas Dispersos (LASID), Rua Gal. Cordeiro de Farias, S/N, Petrópolis, Zip Code 59010-180 Natal, RN, Brazil.
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Bottos KM, Oliveira AG, Bersanetti PA, Nogueira RF, Lima-Filho AAS, Cardillo JA, Schor P, Chamon W. Corneal absorption of a new riboflavin-nanostructured system for transepithelial collagen cross-linking. PLoS One 2013; 8:e66408. [PMID: 23785497 PMCID: PMC3681906 DOI: 10.1371/journal.pone.0066408] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Accepted: 05/07/2013] [Indexed: 11/18/2022] Open
Abstract
Corneal collagen cross-linking (CXL) has been described as a promising therapy for keratoconus. According to standard CXL protocol, epithelium should be debrided before treatment to allow penetration of riboflavin into the corneal stroma. However, removal of the epithelium can increase procedure risks. In this study we aim to evaluate stromal penetration of a biocompatible riboflavin-based nanoemulsion system (riboflavin-5-phosphate and riboflavin-base) in rabbit corneas with intact epithelium. Two riboflavin nanoemulsions were developed. Transmittance and absorption coefficient were measured on corneas with intact epithelia after 30, 60, 120, 180, and 240 minutes following exposure to either the nanoemulsions or standard 0.1% or 1% riboflavin-dextran solutions. For the nanoemulsions, the epithelium was removed after measurements to assure that the riboflavin had passed through the hydrophobic epithelium and retained within the stroma. Results were compared to de-epithelialized corneas exposed to 0.1% riboflavin solution and to the same riboflavin nanoemulsions for 30 minutes (standard protocol). Mean transmittance and absorption measured in epithelialized corneas receiving the standard 0.1% riboflavin solution did not reach the levels found on the debrided corneas using the standard technique. Neither increasing the time of exposure nor the concentration of the riboflavin solution from 0.1% to 1% improved riboflavin penetration through the epithelium. When using riboflavin-5-phosphate nanoemulsion for 240 minutes, we found no difference between the mean absorption coefficients to the standard cross-linking protocol (p = 0.54). Riboflavin nanoemulsion was able to penetrate the corneal epithelium, achieving, after 240 minutes, greater stromal concentration when compared to debrided corneas with the standard protocol (p = 0.002). The riboflavin-5-phosphate nanoemulsion diffused better into the stroma than the riboflavin-base nanoemulsion.
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Affiliation(s)
- Katia M. Bottos
- Department of Ophthalmology, Paulista School of Medicine, Federal University of Sao Paulo - UNIFESP, Sao Paulo, SP, Brazil
| | - Anselmo G. Oliveira
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Sao Paulo State University, UNESP, Araraquara, SP, Brazil
| | - Patrícia A. Bersanetti
- Department of Informatics in Health, Paulista School of Medicine, Federal University of Sao Paulo - UNIFESP, Sao Paulo, SP, Brazil
- * E-mail:
| | - Regina F. Nogueira
- Department of Informatics in Health, Paulista School of Medicine, Federal University of Sao Paulo - UNIFESP, Sao Paulo, SP, Brazil
| | - Acácio A. S. Lima-Filho
- Department of Ophthalmology, Paulista School of Medicine, Federal University of Sao Paulo - UNIFESP, Sao Paulo, SP, Brazil
| | - José A. Cardillo
- Department of Ophthalmology, Paulista School of Medicine, Federal University of Sao Paulo - UNIFESP, Sao Paulo, SP, Brazil
| | - Paulo Schor
- Department of Ophthalmology, Paulista School of Medicine, Federal University of Sao Paulo - UNIFESP, Sao Paulo, SP, Brazil
| | - Wallace Chamon
- Department of Ophthalmology, Paulista School of Medicine, Federal University of Sao Paulo - UNIFESP, Sao Paulo, SP, Brazil
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De Holanda E Silva KG, Barratt G, De Oliveira AG, Do Egito EST. Trends in rheumatic fever: clinical aspects and perspectives in prophylactic treatments. Expert Opin Drug Deliv 2012; 9:1099-110. [DOI: 10.1517/17425247.2012.702104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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33
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Kotmakchiev M, Kantarcı G, Çetintaş VB, Ertan G. Cytotoxicity of a Novel Oil/Water Microemulsion System Loaded with Mitomycin-C in In Vitro Lung Cancer Models. Drug Dev Res 2012. [DOI: 10.1002/ddr.21007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
| | - Gülten Kantarcı
- Department of Pharmaceutical Biotechnology; Faculty of Pharmacy; Ege University; Bornova; Izmir; 35100; Turkey
| | - Vildan B. Çetintaş
- Department of Medical Biology; Faculty of Medicine; Ege University; Bornova; Izmir; 35100; Turkey
| | - Gökhan Ertan
- Department of Pharmaceutical Technology; Faculty of Pharmacy; Ege University; Bornova; Izmir; 35100; Turkey
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Sakeena MHF, Elrashid SM, Munavvar AS, Azmin MN. Effects of oil and drug concentrations on droplets size of palm oil esters (POEs) nanoemulsion. J Oleo Sci 2011; 60:155-8. [PMID: 21427510 DOI: 10.5650/jos.60.155] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Aim of the present work is to study the effects of oil and drug concentrations on droplets size of a nanoemulsion. Newly introduced oil, palm oil esters (POEs) by Universiti Putra Malaysia researchers was selected for the oil phase of the nanoemulsion, because the oil was reported to be a good vehicle for pharmaceutical use. Nanoemulsions were prepared with different concentrations of oil and drug and their effects on droplets size were studied by laser scattering spectroscopy (Nanophox). The results of droplets size analysis shows the droplets size increase with increasing concentration of oil and drug concentrations. It can be concluded from this study, that oil and drug concentrations have an effect on the droplets size of POEs nanoemulsion system.
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Affiliation(s)
- M H F Sakeena
- Department of Pharmaceutical Technology, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
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35
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Structural characterization and in vivo evaluation of retinyl palmitate in non-ionic lamellar liquid crystalline system. Colloids Surf B Biointerfaces 2011; 85:182-8. [DOI: 10.1016/j.colsurfb.2011.02.027] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Revised: 02/17/2011] [Accepted: 02/19/2011] [Indexed: 11/23/2022]
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36
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Zheng MY, Liu F, Wang ZW, Baoyindugurong JH. Formation and characterization of self-assembling fish oil microemulsions. COLLOID JOURNAL 2011. [DOI: 10.1134/s1061933x11030197] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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37
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Nirmala R, Park HM, Navamathavan R, Kang HS, El-Newehy MH, Kim HY. Lecithin blended polyamide-6 high aspect ratio nanofiber scaffolds via electrospinning for human osteoblast cell culture. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2011. [DOI: 10.1016/j.msec.2010.11.013] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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Jiang LC, Basri M, Omar D, Abdul Rahman MB, Salleh AB, Raja Abdul Rahman RNZ. Self-assembly behaviour of alkylpolyglucosides (APG) in mixed surfactant-stabilized emulsions system. J Mol Liq 2011. [DOI: 10.1016/j.molliq.2010.11.015] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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39
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Condensation reaction of benzaldehyde and acetone in o/w microemulsions: Effect of microemulsion compositions. Colloids Surf A Physicochem Eng Asp 2010. [DOI: 10.1016/j.colsurfa.2010.08.047] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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Cong W, Liu Q, Chen X, Gao R, Lu J, Wang Y, Luo G. Characterization and pharmacokinetics of a novel pirarubicin liposome powder. Drug Dev Ind Pharm 2010; 36:1186-94. [DOI: 10.3109/03639041003695097] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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41
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Formariz T, Chiavacci L, Scarpa M, Silva-Júnior A, Egito E, Terrugi C, Franzini C, Sarmento V, Oliveira A. Structure and viscoelastic behavior of pharmaceutical biocompatible anionic microemulsions containing the antitumoral drug compound doxorubicin. Colloids Surf B Biointerfaces 2010; 77:47-53. [DOI: 10.1016/j.colsurfb.2010.01.004] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2009] [Revised: 01/07/2010] [Accepted: 01/07/2010] [Indexed: 11/30/2022]
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42
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Shi X, Wang Y, Ren L, Lai C, Gong Y, Wang DA. A novel hydrophilic poly(lactide-co-glycolide)/lecithin hybrid microspheres sintered scaffold for bone repair. J Biomed Mater Res A 2010; 92:963-72. [PMID: 19291688 DOI: 10.1002/jbm.a.32423] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Novel 3-D porous scaffolds made of sintered poly(lacide-co-glycolide) (PLGA)/lecithin hybrid microspheres (PLGA/Lec-SMS) were developed and investigated. The addition of lecithin in PLGA bulk successfully managed the desired hydrophilic modification without sacrificing bulk properties. The outcomes were verified with infrared (ATR-FTIR) spectroscopy, X-ray photoelectron spectroscopy (XPS), and contact angle analyses. Specifically, this model of scaffold gained significant improvement in mechanical (mainly compressive) strength upon an optimization of lecithin fractions aligning with sintering conditions. Given a perspective of bone tissue engineering use, human fetal osteoblasts were seeded into a series of these PLGA/Lec-SMS scaffolds upon which key parameters of cytocompatibility and osteoconductivity (including cell viability, alkaline phosphatase activity, calcium secretion, and osteogenic genes expression) were assessed. Osteoblasts seeded on PLGA scaffolds with 5 wt % lecithin demonstrated high cell viability and alkaline phosphatase activity. Moreover, elevated lecithin also enhanced the expression of type I collagen. Taken together, these results suggest PLGA/Lec-SMS are promising scaffolds for bone repair.
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Affiliation(s)
- Xuetao Shi
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
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43
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Phospholipids embedded fully dilutable liquid nanostructures. Part 1: Compositions and solubilization capacity. Colloids Surf B Biointerfaces 2009; 73:15-22. [DOI: 10.1016/j.colsurfb.2009.04.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2009] [Accepted: 04/21/2009] [Indexed: 11/22/2022]
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44
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Santos LER, Colhone MC, Daghastanli KRP, Stabeli RG, Silva-Jardim I, Ciancaglini P. Lipid microspheres loaded with antigenic membrane proteins of the Leishmania amazonensis as a potential biotechnology application. J Colloid Interface Sci 2009; 340:112-8. [PMID: 19747691 DOI: 10.1016/j.jcis.2009.08.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2009] [Revised: 08/14/2009] [Accepted: 08/14/2009] [Indexed: 11/26/2022]
Abstract
Lipid microspheres (LM) are excellent drug delivery or vaccines adjuvant systems and are relatively stable. The aim of this work is to develop and characterize a system that is able to encapsulate and present antigenic membrane proteins from Leishmania amazonensis. Membrane proteins are important for vaccine's formulation because these proteins come in contact with the host cell first, triggering the cell mediated immune response. This is a useful tool to avoid or inactivate the parasite invasion. The LM are constituted by soybean oil (SO), dipalmitoylphosphatidilcholine (DPPC), cholesterol and solubilized protein extract (SPE). The particles formed presented an average diameter of 200 nm, low polydispersion and good stability for a period of 30 days, according to dynamic light scattering assays. Isopycnic density gradient centrifugation of LM-protein showed that proteins and lipids floated in the sucrose gradient (5-50%w/v) suggesting that the LM-protein preparation was homogeneous and that the proteins are interacting with the system. The results show that 85% of SPE proteins were encapsulated in the LM. Studies of cellular viability of murine peritoneal macrophages show that our system does not present cytotoxic effect for the macrophages and still stimulates their NO production (which makes its application as a vaccine adjuvant possible). LM-protein loaded with antigenic membrane proteins from L. amazonensis seems to be a promising vaccine system for immunization against leishmaniasis.
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Affiliation(s)
- Luiz E R Santos
- Depto. Química, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto (FFCLRP), Universidade de São Paulo (USP), São Paulo, Brazil
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45
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Jung SH, Lim DH, Jung SH, Lee JE, Jeong KS, Seong H, Shin BC. Amphotericin B-entrapping lipid nanoparticles and their in vitro and in vivo characteristics. Eur J Pharm Sci 2009; 37:313-20. [DOI: 10.1016/j.ejps.2009.02.021] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2008] [Revised: 02/16/2009] [Accepted: 02/25/2009] [Indexed: 11/24/2022]
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46
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Wilk KA, Zielińska K, Hamerska-Dudra A, Jezierski A. Biocompatible microemulsions of dicephalic aldonamide-type surfactants: Formulation, structure and temperature influence. J Colloid Interface Sci 2009; 334:87-95. [DOI: 10.1016/j.jcis.2009.03.071] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2008] [Revised: 03/17/2009] [Accepted: 03/18/2009] [Indexed: 10/20/2022]
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47
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Shi X, Wang Y, Ren L, Huang W, Wang DA. A protein/antibiotic releasing poly(lactic-co-glycolic acid)/lecithin scaffold for bone repair applications. Int J Pharm 2009; 373:85-92. [DOI: 10.1016/j.ijpharm.2009.02.013] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2008] [Revised: 02/16/2009] [Accepted: 02/17/2009] [Indexed: 12/27/2022]
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48
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Ibrahim SS, Awad GA, Geneidi A, Mortada ND. Comparative effects of different cosurfactants on sterile prednisolone acetate ocular submicron emulsions stability and release. Colloids Surf B Biointerfaces 2009; 69:225-31. [DOI: 10.1016/j.colsurfb.2008.11.034] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2008] [Revised: 11/05/2008] [Accepted: 11/20/2008] [Indexed: 10/21/2022]
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