ELIZA

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270181 occurrences (No.97 in the rank) during 5 years in the PubMed. [no cache] 500 found

284) Furthermore, ex vivo permeation studies showed a 4.45-fold improvement in apparent permeability coefficient (Papp) from S-SNEDDS compared to plain drug.

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PMID:24517575 DOI:10.3109/03639045.2014.886695

2015 Drug development and industrial pharmacy

* Formulation of solid self-nanoemulsifying drug delivery systems using N-methyl pyrrolidone as cosolvent.

- Atorvastatin calcium (ATRC) is a poor water soluble drug used for treatment of hypercholesterolemia. This research is aimed to improve solubility and dissolution rate of ATRC by formulating into solid self-nanoemulsifying drug delivery system (S-SNEDDS) using N-methyl pyrrolidone (NMP) as cosolvent. Solubility of ATRC was determined in various vehicles. Ternary phase diagrams were constructed to identify stable nanoemulsion region. SNEDDS formulations were evaluated for robustness to dilution, thermodynamic stability study, % transmittance, self-emulsification time, globule size and transmission electron microscopy. The optimized liquid SNEDDS showed robust to all dilutions exhibiting no signs of phase separation or precipitation for 24 h. Liquid SNEDDS was transformed into S-SNEDDS using different adsorbents. Differential scanning calorimetry and scanning electron microscopy studies unravel the transformation of native crystalline state to amorphous state/solubilized state. In vitro dissolution study of S-SNEDDS was found to be significantly higher in comparison to that from plain drug, irrespective of pH (p < 0.001). Furthermore, ex vivo permeation studies showed a 4.45-fold improvement in apparent permeability coefficient (Papp) from S-SNEDDS compared to plain drug. In conclusion, S-SNEDDS prepared using NMP as cosolvent provides an effective approach for improved oral delivery of ATRC.

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(1)105 the	(10)6 conventional	(19)3 group	(28)2 groups
(2)23 those	(11)5 controls,	(20)3 pure	(29)2 its
(3)19 control	(12)5 placebo	(21)2 TCDD	(30)2 long
(4)14 a	(13)5 untreated	(22)2 age-matched	(31)2 non-Hispanic
(5)12 that	(14)4 Exo(Normoxic)	(23)2 baseline	(32)2 non-transgenic
(6)10 controls	(15)4 all	(24)2 bur-prepared	(33)2 people
(7)10 other	(16)4 patients	(25)2 children	(34)2 plain
(8)9 healthy	(17)3 an	(26)2 controls),	(35)2 previous
(9)9 their	(18)3 drug	(27)2 experimental	(36)2 vehicle

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--- WordNet output for compared --- =>前年同期比で(は) Overview of verb compare The verb compare has 4 senses (first 3 from tagged texts) 1. (57) compare -- (examine and note the similarities or differences of; "John compared his haircut to his friend's"; "We compared notes after we had both seen the movie") 2. (12) compare -- (be comparable; "This car does not compare with our line of Mercedes") 3. (9) compare, liken, equate -- (consider or describe as similar, equal, or analogous; "We can compare the Han dynasty to the Romans"; "You cannot equate success in financial matters with greed") 4. compare -- (to form the comparative or superlative form on an adjective or adverb) --- WordNet end ---