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286534 occurrences (No.87 in the rank) during 5 years in the PubMed. [no cache] 500 found

379) The results demonstrated no Cipro-polymers physicochemical interactions and pseudoplastic flow for all gels used at 35 °C.

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PMID:24392945 DOI:10.3109/10837450.2013.871034

2015 Pharmaceutical development and technology

* Comparative studies for ciprofloxacin hydrochloride pre-formed gels and thermally triggered (in situ) gels: in vitro and in vivo appraisal using a bacterial keratitis model in rabbits.

- This article reports on comparative in vitro characterization and in vivo evaluation of pre-formed cellulose-based gels, methylcellulose (MC) and carboxymethylcellulose sodium (CMC) and in situ gel-forming Pluronic F127 (PL) for ocular delivery of ciprofloxacin hydrochloride (Cipro) by using a bacterial keratitis model and histological corneal examination. Drug-polymer interactions were studied employing thermal analysis. Further, different concentrations (1-3% w/w or 10-30% w/w) of gels depending on the nature of the polymer used were prepared, characterized for clarity, pH, rheology and in vitro release. Selected gel formulations were evaluated for ocular delivery to Staphylococcus aureus-infected rabbit corneas; and ocular toxicity through histological examination of the cornea. The results demonstrated no Cipro-polymers physicochemical interactions and pseudoplastic flow for all gels used at 35 °C. Both polymer concentrations and drug solubility in the gels are dominantly the rate-determining factors for in vitro drug release. The corneal healing rate for all gel-based formulations was significantly faster (p < 0.05) than that for Cipro solution-treated rabbits. PL-based gel induced significant swelling/edema of the corneal stroma, compared with MC- and CMC-based gels. In conclusion, cellulose-based polymers have superior ocular tolerability/dramatically less irritant; and superior efficacy with more convenient administration compared with PL and Cipro solution, respectively.

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[frequency of next (right) word to demonstrated]

(1)158 that	(10)5 good	(19)3 excellent	(28)2 efficacy
(2)48 the	(11)5 increased	(20)3 more	(29)2 greater
(3)40 a	(12)5 significantly	(21)3 no	(30)2 how
(4)23 by	(13)4 as	(22)3 that,	(31)2 successful
(5)21 to	(14)4 better	(23)2 acceptable	(32)2 through
(6)13 in	(15)4 improved	(24)2 and	(33)2 using
(7)12 null	(16)4 its	(25)2 both
(8)11 an	(17)4 similar	(26)2 decreased
(9)8 for	(18)3 between	(27)2 differential

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--- WordNet output for demonstrated --- Overview of verb demonstrate The verb demonstrate has 4 senses (first 4 from tagged texts) 1. (24) show, demo, exhibit, present, demonstrate -- (give an exhibition of to an interested audience; "She shows her dogs frequently"; "We will demo the new software in Washington") 2. (22) prove, demonstrate, establish, show, shew -- (establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture") 3. (2) attest, certify, manifest, demonstrate, evidence -- (provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes; "His high fever attested to his illness"; "The buildings in Rome manifest a high level of architectural sophistication"; "This decision demonstrates his sense of fairness") 4. (1) demonstrate, march -- (march in protest; take part in a demonstration; "Thousands demonstrated against globalization during the meeting of the most powerful economic nations in Seattle") Overview of adj demonstrated The adj demonstrated has 1 sense (first 1 from tagged texts) 1. (1) demonstrated -- (having been demonstrated or verified beyond doubt) --- WordNet end ---