1 Zhang Y, Zhi Z, Jiang T, et al. Spherical mesoporous silica nanoparticles for loading and release of the poorly water-soluble drug telmisartan. J Control Release, 2010, 145: 257-263??
8 Kim H, Park H, Lee J, et al. Highly porous large poly(lactic-co-glycolic acid) microspheres adsorbed with palmityl-acylated exendin-4 as a long-acting inhalation system for treating diabetes. Biomaterials, 2011, 32: 1685-1693 ??
[4]
9 Ungaro F, d’Emmanuele di Villa Bianca R, Giovino C, et al. Insulin-loaded PLGA/cyclodextrin large porous particles with improved aerosolization properties: In vivo deposition and hypoglycaemic activity after delivery to rat lungs. J Control Release, 2009, 135: 25-34 ??
[5]
10 Lee J, Oh Y J, Lee S K, et al. Facile control of porous structures of polymer microspheres using an osmotic agent for pulmonary delivery. J Control Release, 2010, 146: 61-67 ??
[6]
13 Chen A Z, Li L, Wang S B, et al. Study of Fe3O4-PLLA-PEG-PLLA magnetic microspheres based on supercritical CO2: Preparation, physicochemical characterization, and drug loading investigation. J Supercrit Fluids, 2012, 67: 139-148 ??
[7]
14 Chen A Z, Lin X F, Wang S B, et al. Biological evaluation of Fe3O4-poly(L-lactide)-poly(ethylene glycol)-poly(L-lactide) magnetic microspheres prepared in supercritical CO2. Toxicol Lett, 2012, 212: 75-82 ??
[8]
16 Alnaief M, Smirnova I. In situ production of spherical aerogel microparticles. J Supercrit Fluids, 2011, 55: 1118-1123 ??
[9]
17 Chatterjee M, Chatterjee A, Ikushima Y, et al. Preparation of silica sphere with porous structure in supercritical carbon dioxide. J Colloid Interface Sci, 2010, 348: 57-64 ??
[10]
23 Alnaief M, Smirnova I. Effect of surface functionalization of silica aerogel on their adsorptive and release properties. J Non-Cryst Solids, 2010, 356: 1644-1649??
[11]
24 García-González C A, Alnaief M, Smirnova I. Polysaccharide-based aerogels-promising biodegradable carriers for drug delivery systems. Carbohydr Polym, 2011, 86: 1425-1438??
[12]
26 Alnaief M, Alzaitoun M A, García-González C A, et al. Preparation of biodegradable nanoporous microspherical aerogel based on alginate. Carbohydr Polym, 2011, 84: 1011-1018??
[13]
27 Brown Z K, Fryer P J, Norton I T, et al. Drying of agar gels using supercritical carbon dioxide. J Supercrit Fluids, 2010, 54: 89-95??
[14]
28 García-González C A, Uy J J, Alnaief M, et al. Preparation of tailor-made starch-based aerogel microspheres by the emulsion-gelation method. Carbohydr Polym, 2012, 88: 1378-1386??
[15]
30 Wood C D, Cooper A I. Synthesis of macroporous polymer beads by suspension polymerization using supercritical carbon dioxide as a pressure-adjustable porogen. Macromolecules, 2001, 34: 5-8??
[16]
31 Kamrupi I R, Pokhrel B, Kalita A, et al. Synthesis of macroporous polymer particles by suspension polymerization using supercritical carbon dioxide as a pressure-adjustable porogen. Adv Polym Technol, 2012, 31: 154-162??
[17]
33 Wang C M, Zhang X Q, Zhao Y, et al. Microspheres prepared from ultrahigh molecular weight polyethylene in supercritical CO2 fluid. Chem J Chin U, 2010; 31: 1252-1256
[18]
41 Youn Y S, Oh J H, Ahn K H, et al. Dissolution rate improvement of valsartan by low temperature recrystallization in compressed CO2: Prevention of excessive agglomeration. J Supercrit Fluids, 2011, 59: 117-123??
[19]
43 Liu J, Shen Z H, Lee S H, et al. Electrospinning in compressed carbon dioxide: Hollow or open-cell fiber formation with a single nozzle configuration. J Supercrit Fluids, 2010, 53: 142-150??
[20]
44 Ghaderi R, Artursson P, Carlfors J. Preparation of biodegradable microparticles using solution-enhanced dispersion by supercritical fluids (SEDS). Pharm Res, 1999, 16: 676-681??
[21]
51 Adami R, Sesti Osséo L, Huopalahti R, et al. Supercritical antisolvent micronization of PVA by semi-continuous and batch processing. J Supercrit Fluids, 2007, 42: 288-298??
[22]
49 Dukhin S S, Shen Y, Dave R, et al. Droplet mass transfer, intradroplet nucleation and submicron particle production in two-phase flow of solvent-supercritical antisolvent emulsion. Colloid Surf A-Physicochem Eng Asp, 2005, 261: 163-176??
[23]
50 Reverchon E, Adami R, Caputo G, et al. Spherical microparticles production by supercritical antisolvent precipitation: Interpretation of results. J Supercrit Fluids, 2008, 47: 70-84??
[24]
2 Wang J, Shaw L L. Nanocrystalline hydroxyapatite with simultaneous enhancements in hardness and toughness. Biomaterials, 2009, 30: 6565-6572??
[25]
3 Peng C, Zhao Q, Gao C. Sustained delivery of doxorubicin by porous CaCO3 and chitosan/alginate multilayers-coated CaCO3 microparticles. Colloid Surf A-Physicochem Eng Asp, 2010, 353: 132-139 ??
[26]
4 Wu C, Zreiqat H. Porous bioactive diopside (CaMgSi2O6) ceramic microspheres for drug delivery. Acta Biomater, 2010, 6: 820-829 ??
[27]
5 Gokmen M T, Du Prez F E. Porous polymer particles—A comprehensive guide to synthesis, characterization, functionalization and applications. Prog Polym Sci, 2012, 37: 365-405 ??
11 Yang Y, Bajaj N, Xu P, et al. Development of highly porous large PLGA microparticles for pulmonary drug delivery. Biomaterials, 2009, 30: 1947-1953 ??
[30]
12 Chen A Z, Wang G Y, Wang S B, et al. Formation of methotrexate-PLLA-PEG-PLLA composite microspheres by suspension-enhanced dispersion by supercritical CO2. Int J Nanomed, 2012, 7: 3013-3022
19 Chen Z, Zhuo M, Xue F, et al. Preparation of magnetically separable mesoporous silica microspheres with open pore systems in supercritical carbon dioxide. Ind Eng Chem Res, 2009, 48: 3441-3445??
[34]
20 Jiao J, Xu Q, Li L. Porous TiO2/SiO2 composite prepared using PEG as template direction reagent with assistance of supercritical CO2. J Colloid Interface Sci, 2007, 316: 596-603??
[35]
21 López-Aranguren P, Saurina J, Vega L F, et al. Sorption of tryalkoxysilane in low-cost porous silicates using a supercritical CO2 method. Microporous Mesoporous Mat, 2012, 148: 15-24??
[36]
22 Gorle B S K, Smirnova I, Arlt W. Adsorptive crystallization of benzoic acid in aerogels from supercritical solutions. J Supercrit Fluids, 2010, 52: 249-257??
[37]
25 Ratanajiajaroen P, Ohshima M. Preparation of highly porous β-chitin structure through nonsolvent-solvent exchange-induced phase separation and supercritical CO2 drying. J Supercrit Fluids, 2012, 68: 31-38??
[38]
29 Lee K P, Gould G L. Aerogel powder therapeutic agents. US Patent, 6994842, 2006-06-07
34 Huang S, Wu G, Chen S. Preparation of open cellular PMMA microspheres by supercritical carbon dioxide foaming. J Supercrit Fluids, 2007, 40: 323-329??
[41]
35 Dias A M A, Braga M E M, Seabra I J, et al. Development of natural-based wound dressings impregnated with bioactive compounds and using supercritical carbon dioxide. Int J Pharm, 2011, 408: 9-19??
[42]
36 Varona S, Rodríguez-Rojo S, Martín á, et al. Supercritical impregnation of lavandin (Lavandula hybrida) essential oil in modified starch. J Supercrit Fluids, 2011, 58: 313-319??
[43]
37 Koushik K, Kompella U. Preparation of large porous deslorelin-PLGA microparticles with reduced residual solvent and cellular uptake using a supercritical carbon dioxide process. Pharm Res, 2004, 21: 524-535??
[44]
38 Chen A Z, Li Y, Chen D, et al. Development of core-shell microcapsules by a novel supercritical CO2 process. J Mater Sci-Mater Med, 2009, 20: 751-758??
[45]
39 Yeo S D, Kiran E. Formation of polymer particles with supercritical fluids: A review. J Supercrit fluids, 2005, 34: 287-308??
[46]
40 Bleich J, Müller B W, Wassmus W. Aerosol solvent extraction system—A new microparticle production technique. Int J Pharm, 1993, 97: 111-117??
[47]
42 Dixon D J, Luna-Bárcenas G, Johnston K P. Microcellular microspheres and microballoons by precipitation with a vapour-liquid compressed fluid antisolvent. Polymer, 1994, 35: 3998-4005??
47 Wang Q, Guan Y X, Yao S J, et al. Controllable preparation and formation mechanism of BSA microparticles using supercritical assisted atomization with an enhanced mixer. J Supercrit Fluids, 2011, 56: 97-104??
[51]
48 Reverchon E, De Marco I. Mechanisms controlling supercritical antisolvent precipitate morphology. Chem Eng J, 2011, 169: 358-370??