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Deepitha J, Pitchaiah K, Chandrasekhar G, Sivaraman N. Solubility of pyridine-2,6-dicarboxylic acid in supercritical carbon dioxide and its application for removal of lead and nickel in simulated matrices. J Supercrit Fluids 2021. [DOI: 10.1016/j.supflu.2021.105318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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2
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Vardanjani ST, Roosta A, Javanmardi J. Natural deep eutectic solvents for enhancing the solubility of two B vitamins in aqueous solutions: Experimental study and thermodynamic aspects. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-020-0658-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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3
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Arora D, Sedev R, Beh CC, Priest C, Foster NR. Precipitation of Drug Particles Using a Gas Antisolvent Process on a High-Pressure Microfluidic Platform. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c01484] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Deepali Arora
- WA School of Mines—Minerals, Energy and Chemical Engineering, Curtin University, Perth, WA 6102, Australia
| | - Rossen Sedev
- WA School of Mines—Minerals, Energy and Chemical Engineering, Curtin University, Perth, WA 6102, Australia
- Future Industries Institute, University of South Australia, Adelaide, SA 5095, Australia
| | - Chau Chun Beh
- WA School of Mines—Minerals, Energy and Chemical Engineering, Curtin University, Perth, WA 6102, Australia
| | - Craig Priest
- Future Industries Institute, University of South Australia, Adelaide, SA 5095, Australia
| | - Neil R. Foster
- WA School of Mines—Minerals, Energy and Chemical Engineering, Curtin University, Perth, WA 6102, Australia
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Alshaikh RA, Essa EA, El Maghraby GM. Preparation of stabilized submicron fenofibrate crystals on niacin as a hydrophilic hydrotropic carrier. Pharm Dev Technol 2019; 25:168-177. [PMID: 31642728 DOI: 10.1080/10837450.2019.1682609] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Fenofibrate is antihyperlipidemic which has low and variable oral bioavailability due to erratic dissolution characteristics. Niacin showed a potential atheroprotective effects suggesting possible co-administration with fenofibrate with a potential for development of fixed dose combination. The chemical structure of both drugs highlights the opportunity for interaction upon co-processing due to the existence of complementary hydrogen bonding sites. Accordingly, fenofibrate and niacin were co-processed by wet co-grinding and the resulting product was assessed using scanning electron microscopy, FTIR, thermal analysis and X-ray diffraction in addition to dissolution studies. The instrumental analysis indicated the development of submicron fenofibrate crystals stabilized over the surface of niacin crystals. The developed submicron crystals showed fast dissolution of fenofibrate depending on the relative proportions of fenofibrate to niacin. Co-processing of both drugs at dose ratio which contained higher proportion of niacin resulted in further enhancement in the dissolution rate. This further enhancement was attributed to the hydrotropic effect of niacin which was proved by solubility study in addition to size reduction. This supposition was confirmed from the inferior dissolution of fenofibrate from the physical mixture. The study introduces fenofibrate/niacin as potential fixed dose combination for augmented dissolution rate and pharmacological effects.
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Affiliation(s)
- Rasha A Alshaikh
- Department of Pharmaceutical Technology, College of Pharmacy, University of Tanta, Tanta, Egypt
| | - Ebtessam A Essa
- Department of Pharmaceutical Technology, College of Pharmacy, University of Tanta, Tanta, Egypt
| | - Gamal M El Maghraby
- Department of Pharmaceutical Technology, College of Pharmacy, University of Tanta, Tanta, Egypt
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Abstract
Immobilization techniques are generally based on reusing enzymes in industrial applications to reduce costs and improve enzyme properties. These techniques have been developing for decades, and many methods for immobilizing enzymes have been designed. To find a better immobilization method, it is necessary to review the recently developed methods and have a clear overview of the advantages and limitations of each method. This review introduces the recently reported immobilization methods and discusses the improvements in enzyme properties by different methods. Among the techniques to improve enzyme properties, metal–organic frameworks, which have diverse structures, abundant organic ligands and metal nodes, offer a promising platform.
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Kankala RK, Zhang YS, Wang SB, Lee CH, Chen AZ. Supercritical Fluid Technology: An Emphasis on Drug Delivery and Related Biomedical Applications. Adv Healthc Mater 2017; 6:10.1002/adhm.201700433. [PMID: 28752598 PMCID: PMC5849475 DOI: 10.1002/adhm.201700433] [Citation(s) in RCA: 119] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/12/2017] [Indexed: 12/18/2022]
Abstract
During the past few decades, supercritical fluid (SCF) has emerged as an effective alternative for many traditional pharmaceutical manufacturing processes. Operating active pharmaceutical ingredients (APIs) alone or in combination with various biodegradable polymeric carriers in high-pressure conditions provides enhanced features with respect to their physical properties such as bioavailability enhancement, is of relevance to the application of SCF in the pharmaceutical industry. Herein, recent advances in drug delivery systems manufactured using the SCF technology are reviewed. We provide a brief description of the history, principle, and various preparation methods involved in the SCF technology. Next, we aim to give a brief overview, which provides an emphasis and discussion of recent reports using supercritical carbon dioxide (SC-CO2 ) for fabrication of polymeric carriers, for applications in areas related to drug delivery, tissue engineering, bio-imaging, and other biomedical applications. We finally summarize with perspectives.
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Affiliation(s)
- Ranjith Kumar Kankala
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Xiamen, 361021, P. R. China
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
| | - Shi-Bin Wang
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Xiamen, 361021, P. R. China
| | - Chia-Hung Lee
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien, 97401, Taiwan
| | - Ai-Zheng Chen
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Xiamen, 361021, P. R. China
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
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A novel method for food particle production using subcritical water extraction: Ganoderma mushroom as a case example. J Supercrit Fluids 2016. [DOI: 10.1016/j.supflu.2016.01.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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8
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Patel JK, Sutariya VB. Micronisation of simvastatin by the supercritical antisolvent technique:in vitro–in vivoevaluation. J Microencapsul 2014; 32:193-200. [PMID: 25535989 DOI: 10.3109/02652048.2014.995726] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Jayvadan K Patel
- Department of Pharmceutics, Nootan Pharmacy College , Visnagar , India and
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Lindholm L, Engström KG. Endogenous gas formation of carbon dioxide used for wound flooding--an experimental study with implications regarding gas microembolism during cardiopulmonary bypass. Perfusion 2013; 29:242-8. [PMID: 24225405 DOI: 10.1177/0267659113512358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Gas microembolisation is an identified risk in cardiac surgery. Flooding the wound with carbon dioxide is a method proposed to reduce this problem. The high solubility of carbon dioxide is beneficial, but may also cause problems. The gas solubility diminishes at warming and endogenous bubbles are formed when cold blood saturated with carbon dioxide is returned by cardiotomy suction. METHODS The release of endogenous gas was measured at high resolution in an experimental digital model. A medium (water or blood) was incubated and equilibrated with gas (100% carbon dioxide or air) at a low temperature (10 °C or 23 °C). The temperature was increased to 37 °C and the gas release was measured, at rest and at fluid motion. RESULTS The amount of carbon dioxide released at warming was substantial for both water and blood (both p=0.005). The effect was more pronounced when the temperature differential increased (p=0.005). However, blood and water differed in these terms: with water, the release of carbon-dioxide started instantly at warming; with blood, carbon dioxide remained dissolved and was released at fluid motion. When blood was warmed from 10 °C to 37 °C, the gas release corresponded to 44.4% (40.6/46.5) of the medium volume (median with quartile range). CONCLUSION Gas dissolved in a medium becomes released at warming, as confirmed here. Blood exposed to carbon dioxide became heavily oversaturated at warming, with the gas instantly released at fluid motion. The amount of contained gas increased with a higher temperature differential. Our study has relevance to wound flushing, using carbon dioxide, in cardiac surgery. The clinical consequences of these findings remain to be answered.
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Affiliation(s)
- L Lindholm
- Heart Centre, Cardiothoracic Surgery, Department of Surgery and Perioperative Sciences, Umeå University, Sweden
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Imperiale JC, Bevilacqua G, Rosa PDTVE, Sosnik A. Production of pure indinavir free base nanoparticles by a supercritical anti-solvent (SAS) method. Drug Dev Ind Pharm 2013; 40:1607-15. [DOI: 10.3109/03639045.2013.838581] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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12
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Erriguible A, Laugier S, Laté M, Subra-Paternault P. Effect of pressure and non-isothermal injection on re-crystallization by CO2 antisolvent: Solubility measurements, simulation of mixing and experiments. J Supercrit Fluids 2013. [DOI: 10.1016/j.supflu.2013.01.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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13
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Investigation of key influence parameters for synthesis of submicron carboxymethylcellulose particles via rapid expansion of supercritical CO2 solution by Taguchi method. J Supercrit Fluids 2012. [DOI: 10.1016/j.supflu.2012.05.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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14
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Formation of ultrafine deferasirox particles via rapid expansion of supercritical solution (RESS process) using Taguchi approach. Int J Pharm 2012; 433:149-56. [PMID: 22583849 DOI: 10.1016/j.ijpharm.2012.05.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Revised: 05/01/2012] [Accepted: 05/03/2012] [Indexed: 11/21/2022]
Abstract
The poor water solubility of many drugs is a challenge in pharmaceutical research. Recently, there have been great interests in finding environmentally friendly methods producing fine particles of pharmaceutical products for applications in pharmaceutical engineering. A promising method to improve the bioavailability of pharmaceutical agents is the rapid expansion of supercritical solutions. Deferasirox (DFS), a tridentate chelator, requires two molecules for iron (III) coordination. The bioavailability (the percentage of the drug absorbed compared to its initial dosage) is limited by this insolubility. The effect of four different RESS parameters including, extraction temperature (308-318K), extraction pressure (140-200 bar), effective nozzle diameter (500-1200 μm), with and without cosolvents were investigated on the size and morphology of the precipitated particles of deferasirox based on Taguchi design. The results show great reduction in the size of the precipitated particles of deferasirox (50 nm-5 μm) via RESS process compared with the original particles of deferasirox (5-500 μm).
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Sui X, Wei W, Yang L, Zu Y, Zhao C, Zhang L, Yang F, Zhang Z. Preparation, characterization and in vivo assessment of the bioavailability of glycyrrhizic acid microparticles by supercritical anti-solvent process. Int J Pharm 2012; 423:471-9. [DOI: 10.1016/j.ijpharm.2011.12.007] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 10/26/2011] [Accepted: 12/05/2011] [Indexed: 11/16/2022]
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Gahm KH, Huang K, Barnhart WW, Goetzinger W. Development of supercritical fluid extraction and supercritical fluid chromatography purification methods using rapid solubility screening with multiple solubility chambers. Chirality 2011; 23 Suppl 1:E65-73. [DOI: 10.1002/chir.20967] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2010] [Accepted: 03/22/2011] [Indexed: 11/08/2022]
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Tenorio A, Gordillo MD, Pereyra CM, De La Ossa EJM. Supercritical Antisolvent Process Applied to the Pharmaceutical Industry. PARTICULATE SCIENCE AND TECHNOLOGY 2010. [DOI: 10.1080/02726351.2010.481589] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Gonçalves EM, Bernardes CES, Diogo HP, Minas da Piedade ME. Energetics and Structure of Nicotinic Acid (Niacin). J Phys Chem B 2010; 114:5475-85. [DOI: 10.1021/jp101490b] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Elsa M. Gonçalves
- Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, 1649-016 Lisboa, Portugal, and Centro de Química Estrutural, Complexo Interdisciplinar, Instituto Superior Técnico da Universidade Técnica de Lisboa, 1049-001 Lisboa, Portugal
| | - Carlos E. S. Bernardes
- Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, 1649-016 Lisboa, Portugal, and Centro de Química Estrutural, Complexo Interdisciplinar, Instituto Superior Técnico da Universidade Técnica de Lisboa, 1049-001 Lisboa, Portugal
| | - Hermínio P. Diogo
- Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, 1649-016 Lisboa, Portugal, and Centro de Química Estrutural, Complexo Interdisciplinar, Instituto Superior Técnico da Universidade Técnica de Lisboa, 1049-001 Lisboa, Portugal
| | - Manuel E. Minas da Piedade
- Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, 1649-016 Lisboa, Portugal, and Centro de Química Estrutural, Complexo Interdisciplinar, Instituto Superior Técnico da Universidade Técnica de Lisboa, 1049-001 Lisboa, Portugal
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Montes A, Tenorio A, Gordillo M, Pereyra C, Martínez de la Ossa E. Screening design of experiment applied to supercritical antisolvent precipitation of amoxicillin: Exploring new miscible conditions. J Supercrit Fluids 2010. [DOI: 10.1016/j.supflu.2009.10.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Cardoso MT, Cabral J, Palavra A, Geraldes V. CFD analysis of supercritical antisolvent (SAS) micronization of minocycline hydrochloride. J Supercrit Fluids 2008. [DOI: 10.1016/j.supflu.2008.08.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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22
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Reverchon E, Adami R, Caputo G, De Marco I. Spherical microparticles production by supercritical antisolvent precipitation: Interpretation of results. J Supercrit Fluids 2008. [DOI: 10.1016/j.supflu.2008.06.002] [Citation(s) in RCA: 123] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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23
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Tavares Cardoso M, Geraldes V, Cabral J, Palavra A. Characterization of minocycline powder micronized by a supercritical antisolvent (SAS) process. J Supercrit Fluids 2008. [DOI: 10.1016/j.supflu.2008.02.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Li Y, Yang DJ, Chen SL, Chen SB, Chan ASC. Process parameters and morphology in puerarin, phospholipids and their complex microparticles generation by supercritical antisolvent precipitation. Int J Pharm 2008; 359:35-45. [DOI: 10.1016/j.ijpharm.2008.03.022] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2007] [Revised: 01/25/2008] [Accepted: 03/15/2008] [Indexed: 10/22/2022]
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Screening design of experiment applied to supercritical antisolvent precipitation of amoxicillin. J Supercrit Fluids 2008. [DOI: 10.1016/j.supflu.2007.10.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Cardoso MT, Monteiro G, Cardoso J, Prazeres T, Figueiredo J, Martinho J, Cabral J, Palavra A. Supercritical antisolvent micronization of minocycline hydrochloride. J Supercrit Fluids 2008. [DOI: 10.1016/j.supflu.2007.09.035] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Mishima K. Biodegradable particle formation for drug and gene delivery using supercritical fluid and dense gas. Adv Drug Deliv Rev 2008; 60:411-32. [PMID: 18061302 DOI: 10.1016/j.addr.2007.02.003] [Citation(s) in RCA: 110] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2006] [Accepted: 02/26/2007] [Indexed: 10/22/2022]
Abstract
Recent developments in biodegradable particle formation using supercritical fluids and dense gases have been reviewed with an emphasis on studies of micronizing and encapsulating poorly-soluble pharmaceuticals and gene. General review articles published in previous years have then been provided. A brief description of the operating principles of some types of particle formation processes is given. These include the rapid expansion of supercritical solutions (RESS), the particles from gas-saturated solution (PGSS) processes, the gas antisolvent process (GAS), and the supercritical antisolvent process (SAS). The papers have been reviewed under two groups, one involving the production of particles from pure biodegradable substances, and the other involving coating, capsule, and impregnation that contain active components, especially those that relate to pharmaceuticals. This review is a comprehensive review specifically focused on the formation of biodegradable particles for drug and gene delivery system using supercritical fluid and dense gas.
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Yasuji T, Takeuchi H, Kawashima Y. Particle design of poorly water-soluble drug substances using supercritical fluid technologies. Adv Drug Deliv Rev 2008; 60:388-98. [PMID: 18068261 DOI: 10.1016/j.addr.2007.03.025] [Citation(s) in RCA: 111] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2006] [Accepted: 03/23/2007] [Indexed: 11/18/2022]
Abstract
In order to improve the dissolution properties of poorly water-soluble drugs, some drugs were subjected to micronization or prepared as composite particles using supercritical fluid (SCF) technology with carbon dioxide (CO(2)). Solubility in CO(2) is the key when using this method. Solubility affects the supersaturation of the materials in the solvent as well as the mass transfer of that solvent, which are both critical to the micronization of the materials and the formation of the composite particles. Some useful techniques that can be used to avoid the problems posed by the characteristics of the drug itself are combining SC-CO(2) with other technologies, such as the formation of coacervates or emulsions, and other equipment types, such as milling or ultrasound fields. Another advantage of SCF technology is that it is considered to be green chemistry. SC-CO(2) can improve the solubility of poorly water-soluble drug substances using few or no organic solvents and with little or no heating.
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Affiliation(s)
- Takehiko Yasuji
- Pharmaceutical Research and Technology Labs, Astellas Pharma Inc., 180 Ozumi, Yaizu, Shizuoka 425-0072, Japan
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Li Y, Yang DJ, Chen SL, Chen SB, Chan ASC. Comparative Physicochemical Characterization of Phospholipids Complex of Puerarin Formulated by Conventional and Supercritical Methods. Pharm Res 2007; 25:563-77. [PMID: 17828444 DOI: 10.1007/s11095-007-9418-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2007] [Accepted: 07/20/2007] [Indexed: 12/17/2022]
Abstract
PURPOSE The aim of this work was to compare the physicochemical characteristics of the phospholipids complex of puerarin (Pur) prepared by traditional methods (solvent evaporation, freeze-drying and micronization) and a supercritical fluid (SCF) technology. The physicochemical properties of the pure drug and the corresponding products prepared by two different SCF methods were also compared. METHODS Solid-state characterization of particles included differential scanning calorimetry (DSC), X-ray powder diffraction (XRPD), solubility, dissolution rate and scanning electron microscopy (SEM) examinations. Besides puerarin phospholipids complex (PPC) by four different methods, the solid-state properties of unprocessed, gas antisolvent (GAS) crystallized and solution enhanced dispersion by supercritical fluid (SEDS) precipitated puerarin samples were also compared. Crystallinity was assessed using DSC and XRPD. Drug-phospholipids interactions were characterized using Fourier transform infrared spectroscopy (FTIR). SEM was used to determine any morphological changes. Pharmaceutical performance was assessed in dissolution rate and solubility tests. RESULT The results of the physical characterization attested a substantial correspondence of the solid state of the drug before and after treatment with GAS technique, whereas a pronounced change in size and morphology of the drug crystals was noticed. The GAS-processed puerarin exhibited a better crystal shape confirmed by DSC, XRPD and IR. Polymorphic change of puerarin during SEDS coupled with the dramatic reduction of the dimensions determined a remarkable enhancement of its solubility and in vitro dissolution rate. Phospholipids complex prepared using supercritical fluid technology showed similar properties of physical state, thermal stability and molecular interaction with phospholipids (PC) to those of corresponding systems prepared by other three conventional methods namely solvent evaporation, freeze-drying and micronization as proved by XRPD, DSC, and FTIR. The best dissolution rate was obtained by SEDS-prepared complex, while the highest solubility was obtained for solvent evaporation method. CONCLUSION Supercritical fluid technology for the preparation of puerarin and its phospholipids complex has been proven to have significant advantages over the solvent evaporation technique and other conventional methods.
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Affiliation(s)
- Ying Li
- Shanghai Jiao Tong University, Shanghai, PR China
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Chow AHL, Tong HHY, Chattopadhyay P, Shekunov BY. Particle Engineering for Pulmonary Drug Delivery. Pharm Res 2007; 24:411-37. [PMID: 17245651 DOI: 10.1007/s11095-006-9174-3] [Citation(s) in RCA: 413] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2006] [Accepted: 10/05/2006] [Indexed: 10/23/2022]
Abstract
With the rapidly growing popularity and sophistication of inhalation therapy, there is an increasing demand for tailor-made inhalable drug particles capable of affording the most efficient delivery to the lungs and the most optimal therapeutic outcomes. To cope with this formulation demand, a wide variety of novel particle technologies have emerged over the past decade. The present review is intended to provide a critical account of the current goals and technologies of particle engineering for the development of pulmonary drug delivery systems. These technologies cover traditional micronization and powder blending, controlled solvent crystallization, spray drying, spray freeze drying, particle formation from liquid dispersion systems, supercritical fluid processing and particle coating. The merits and limitations of these technologies are discussed with reference to their applications to specific drug and/or excipient materials. The regulatory requirements applicable to particulate inhalation products are also reviewed briefly.
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Affiliation(s)
- Albert H L Chow
- School of Pharmacy, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, SAR, China.
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31
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Tenorio A, Gordillo MD, Pereyra CM, Martínez de la Ossa EJ. Relative Importance of the Operating Conditions Involved in the Formation of Nanoparticles of Ampicillin by Supercritical Antisolvent Precipitation. Ind Eng Chem Res 2006. [DOI: 10.1021/ie0606441] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alvaro Tenorio
- Department of Chemical Engineering, Food Technology and Environmental Technologies, Faculty of Sciences, University of Cádiz, 11510 Puerto Real (Cádiz), Spain
| | - Maria D. Gordillo
- Department of Chemical Engineering, Food Technology and Environmental Technologies, Faculty of Sciences, University of Cádiz, 11510 Puerto Real (Cádiz), Spain
| | - Clara M. Pereyra
- Department of Chemical Engineering, Food Technology and Environmental Technologies, Faculty of Sciences, University of Cádiz, 11510 Puerto Real (Cádiz), Spain
| | - Enrique J. Martínez de la Ossa
- Department of Chemical Engineering, Food Technology and Environmental Technologies, Faculty of Sciences, University of Cádiz, 11510 Puerto Real (Cádiz), Spain
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Pasquali I, Bettini R, Giordano F. Solid-state chemistry and particle engineering with supercritical fluids in pharmaceutics. Eur J Pharm Sci 2006; 27:299-310. [PMID: 16388936 DOI: 10.1016/j.ejps.2005.11.007] [Citation(s) in RCA: 108] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2005] [Accepted: 11/25/2005] [Indexed: 11/18/2022]
Abstract
The present commentary aims to review the modern and innovative strategies in particle engineering by the supercritical fluid technologies and it is principally concerned with the aspects of solid-state chemistry. Supercritical fluids based processes for particle production have been proved suitable for controlling solid-state, morphology and particle size of pharmaceuticals, in some cases on an industrial scale. Supercritical fluids should be considered in a prominent position in the development processes of drug products for the 21st century. In this respect, this innovative technology will help in meeting the more and more stringent requirements of regulatory authorities in terms of solid-state characterisation and purity, and environmental acceptability.
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Formation of ultrafine aspirin particles through rapid expansion of supercritical solutions (RESS). POWDER TECHNOL 2005. [DOI: 10.1016/j.powtec.2005.08.024] [Citation(s) in RCA: 104] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Jouyban A, Khoubnasabjafari M, Chan HK. Modeling the entrainer effects on solubility of solutes in supercritical carbon dioxide. Chem Pharm Bull (Tokyo) 2005; 53:290-5. [PMID: 15744100 DOI: 10.1248/cpb.53.290] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Applicability of a previously published equation for calculating the solubility of solutes in supercritical carbon dioxide was extended to calculate the solubility in entrained supercritical carbon dioxide employing 42 experimental data sets collected from the literature. The accuracy of the proposed model was evaluated by calculating both the average absolute relative deviation and the individual absolute relative deviation. The proposed model showed superiority to a previously published similar model, from both correlation and prediction points of view.
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Affiliation(s)
- Abolghasem Jouyban
- School of Pharmacy and Drug Applied Research Center, Tabriz University of Medical Sciences, Iran.
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Iwai Y, Uno M, Nagano H, Arai Y. Measurement of solubilities of palmitic acid in supercritical carbon dioxide and entrainer effect of water by FTIR spectroscopy. J Supercrit Fluids 2004. [DOI: 10.1016/s0896-8446(03)00013-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Todo H, Iida K, Okamoto H, Danjo K. Improvement of Insulin Absorption from Intratracheally Administrated Dry Powder Prepared by Supercritical Carbon Dioxide Process. J Pharm Sci 2003; 92:2475-86. [PMID: 14603493 DOI: 10.1002/jps.10497] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The purpose of this study was to improve insulin absorption from dry powder after administration in lung without an absorption enhancer. The dry powders, with mannitol as a carrier, were prepared with or without an absorption enhancer (citric acid) by supercritical carbon dioxide (SCF) and spray drying (SD) processes. Insulin powder was precipitated from dimethyl sulfoxide and aqueous solutions by dispersing the insulin solutions from parallel and V-type nozzles, respectively, into supercritical carbon dioxide, which is an antisolvent for insulin. In vitro aerosol performance was evaluated with a cascade impactor. Insulin powder containing citric acid prepared by the SCF method (MIC SCF) showed improved inhalation performance compared with insulin powder prepared by the SD process, although the particle size of the former powder was larger than that in powders prepared by SD. Insulin absorption was estimated from the change in plasma glucose level. The blood glucose level after administration of the insulin powder without citric acid prepared by the SCF process (MI SCF) decreased rapidly, and a significant difference was observed for areas under the curve of change in plasma glucose concentration versus time (AUCs) between MI SCF and the insulin powder without citric acid prepared by the SD process (MI SD). These results suggest that the SCF technique would be useful to prepare dry powders suitable for inhalation.
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Affiliation(s)
- Hiroaki Todo
- Faculty of Pharmacy, Meijo University, 150 Yagotoyama Tempaku-ku, Nagoya 468-8503, Japan
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Foster N, Mammucari R, Dehghani F, Barrett A, Bezanehtak K, Coen E, Combes G, Meure L, Ng A, Regtop HL, Tandya A. Processing Pharmaceutical Compounds Using Dense Gas Technology. Ind Eng Chem Res 2003. [DOI: 10.1021/ie030219x] [Citation(s) in RCA: 100] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Neil Foster
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Raffaella Mammucari
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Fariba Dehghani
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Angela Barrett
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Keivan Bezanehtak
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Emma Coen
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Gary Combes
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Louise Meure
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Aaron Ng
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Hubert L. Regtop
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
| | - Andrian Tandya
- School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney 2052, Australia; Eiffel Technologies Limited, Level 14/50 Market Street, Melbourne, Victoria 3000, Australia; and CRC for Polymers, 32 Business Park Drive, Notting Hill, Victoria 3168, Australia
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Velaga SP, Berger R, Carlfors J. Supercritical fluids crystallization of budesonide and flunisolide. Pharm Res 2002; 19:1564-71. [PMID: 12425477 DOI: 10.1023/a:1020477204512] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
PURPOSE Budesonide and flunisolide anhydrate were crystallized using the solution enhanced dispersion by supercritical fluids (SEDS) technique. The aim was to investigate the possibility of preparing different pure polymorphs. METHODS 0.25% w/v solutions of each drug were prepared from acetone and methanol. Operating conditions were 40-80 degrees C and 80-200 bars. The flow rate of drug solution was 0.3 mL/min and that of CO2 was 9-25 mL/min. Sample characterizations included differential scanning calorimetry, X-ray powder diffraction, variable temperature X-ray diffraction, scanning electron microscopy, and solubility studies. RESULTS The particle morphology of budesonide was dependent on the nature of the solvent. SEDS processing of flunisolide with acetone at 100 bars resulted in the formation of polymorphic mixtures at 80 degrees C and a new polymorph III at 60 C and 40 degrees C. With methanol at 100 bars another new polymorph IV was formed with different particle morphology at 80 degrees C and a polymorphic mixture at 60 degrees C. CONCLUSION Using the SEDS, microparticles of crystalline budesonide were prepared and new polymorphs of flunisolide were produced. Particle characteristics were controlled by the temperature, pressure and relative flow rates of drug solution and CO2.
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Jouyban A, Rehman M, Shekunov BY, Chan HK, Clark BJ, York P. Solubility prediction in supercritical CO(2) using minimum number of experiments. J Pharm Sci 2002; 91:1287-95. [PMID: 11977104 DOI: 10.1002/jps.10127] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The correlation ability and solubility prediction in supercritical carbon dioxide of a proposed equation were studied. The work involved the solubilities of nicotinic acid and p-acetoxyacetanilide in supercritical carbon dioxide using a dynamic flow solubility system at 35-75 degrees C and 100-200 bar. The generated experimental solubility data together with 21 data sets collected from the literature were used to evaluate the correlation ability of available empirical equations. The average absolute relative deviations (AARD) for the empirical equations are 12.6-24.8%. The prediction capability of the modified empirical relationship was studied with six experimental data points as a training set. Then, solubility at other temperatures and pressures were predicted. The AARD between predicted solubilities and observed values is 17%.
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Affiliation(s)
- Abolghasem Jouyban
- School of Pharmacy, Tabriz University of Medical Sciences, Tabriz 51664, Iran.
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