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383385 occurrences (No.47 in the rank) during 5 years in the PubMed. [no cache] 500 found

379) Formulation development was based on pseudo-ternary phase diagrams and characteristics of resultant microemulsions.

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PMID:24237327 DOI:10.3109/03639045.2013.858732

2015 Drug development and industrial pharmacy

* Development of phyllanthin-loaded self-microemulsifying drug delivery system for oral bioavailability enhancement.

- Phyllanthin, a poorly water-soluble herbal active component from Phyllanthus amarus, exhibited a low oral bioavailability. This study aims at formulating self-microemulsifying drug delivery systems (SMEDDS) containing phyllanthin and evaluating their in-vitro and in-vivo performances. Excipient screening was carried out to select oil, surfactant and co-surfactant. Formulation development was based on pseudo-ternary phase diagrams and characteristics of resultant microemulsions. Influences of dilution, pH of media and phyllanthin content on droplet size of the resultant emulsions were studied. The optimized phyllanthin-loaded SMEDDS formulation (phy-SMEDDS) and the resultant microemulsions were characterized by viscosity, self-emulsification performance, stability, morphology, droplet size, polydispersity index and zeta potential. In-vitro dissolution and oral bioavailability in rats of phy-SMEDDS were studied and compared with those of plain phyllanthin. Phy-SMEDDS consisted of phyllanthin/Capryol 90/Cremophor RH 40/Transcutol P (1.38:39.45:44.38:14.79) in % w/w. Phy-SMEDDS could be emulsified completely within 6 min and formed fine microemulsions, with average droplet range of 27-42 nm. Phy-SMEDDS was robust to dilution and pH of dilution media while the resultant emulsion showed no phase separation or drug precipitation after 8 h dilution. The release of phyllanthin from phy-SMEDDS capsule was significantly faster than that of plain phyllanthin capsule irrespective of pH of dissolution media. Phy-SMEDDS was found to be stable for at least 6 months under accelerated condition. Oral absorption of phyllanthin in rats was significantly enhanced by SMEDDS as compared with plain phyllanthin. Our study indicated that SMEDDS for oral delivery of phyllanthin could be an option to enhance its bioavailability.

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(1)236 of	(6)6 was	(11)3 and/or	(16)2 on
(2)59 and	(7)5 as	(12)3 by	(17)2 progression,
(3)54 null	(8)4 are	(13)3 including	(18)2 to
(4)21 in	(9)4 for	(14)3 process
(5)6 is	(10)4 were	(15)2 after

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--- WordNet output for development --- =>発達, 開発, 産物, 進展 Overview of noun development The noun development has 9 senses (first 7 from tagged texts) 1. (52) development -- (act of improving by expanding or enlarging or refining; "he congratulated them on their development of a plan to meet the emergency"; "they funded research and development") 2. (46) development, evolution -- (a process in which something passes by degrees to a different stage (especially a more advanced or mature stage); "the development of his ideas took many years"; "the evolution of Greek civilization"; "the slow development of her skill as a writer") 3. (11) growth, growing, maturation, development, ontogeny, ontogenesis -- ((biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; "he proposed an indicator of osseous development in children") 4. (9) development -- (a recent event that has some relevance for the present situation; "recent developments in Iraq"; "what a revolting development!") 5. (7) exploitation, development -- (the act of making some area of land or water more profitable or productive or useful; "the development of Alaskan resources"; "the exploitation of copper deposits") 6. (6) development -- (a district that has been developed to serve some purpose; "such land is practical for small park developments") 7. (4) development -- (a state in which things are improving; the result of developing (as in the early part of a game of chess); "after he saw the latest development he changed his mind and became a supporter"; "in chess your should take care of your development before moving your queen") 8. development, developing -- (processing a photosensitive material in order to make an image visible; "the development and printing of his pictures took only two hours") 9. development -- ((music) the section of a composition or movement (especially in sonata form) where the major musical themes are developed and elaborated) --- WordNet end ---