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

292) The sample with intermediate stiffness (22 ± 1kPa) exhibited the greatest attachment, expansion, and proliferation rate.

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PMID:24195583 DOI:10.3109/21691401.2013.852101

2015 Artificial cells, nanomedicine, and biotechnology

* Chitosan-gelatin sheets as scaffolds for muscle tissue engineering.

- Hydrogels made of natural polymers [chitosan (CS) and gelatin (G)] have been prepared having mechanical properties similar to those of muscle tissues. In this study, the effect of polymer concentration and scaffold stiffness on the behavior of seeded muscle-derived cells (MDCs) on the CS-G hydrogel sheets has been evaluated. Both variables were found to be important in cell viability. Viability was assessed by observation of the cell morphology after 1 day as well as a 14-day MTT assay. The CS-G hydrogels were characterized using Fourier transform infrared (FTIR) analysis, which revealed evidences of strong intermolecular interactions between CS and G. Hydrogel samples with intermediate concentration of CS had suitable handling characteristics for surgical purposes as well as similar elasticity to muscle tissues. The sample with intermediate stiffness (22 ± 1kPa) exhibited the greatest attachment, expansion, and proliferation rate. Such CS-G hydrogels with intermediate stiffness may be considered as new candidates for muscle tissue engineering in the reconstructive field of urology.

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(1)163 of	(9)7 to	(17)3 were	(25)2 may
(2)56 was	(10)6 at	(18)3 without	(26)2 or
(3)44 and	(11)4 as	(19)2 (HR)	(27)2 per
(4)34 null	(12)4 from	(20)2 =	(28)2 product
(5)14 in	(13)4 variability	(21)2 by	(29)2 step
(6)9 is	(14)3 after	(22)2 compared	(30)2 that
(7)8 for	(15)3 coding	(23)2 due	(31)2 under
(8)7 than	(16)3 ranged	(24)2 enzyme	(32)2 which

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--- WordNet output for rate --- =>価格を評定する, 割合, 率, 歩合, 料金, 値段, 相場, 速度, 度合, 人を〜を思う, みなす, 価値がある, 人を〜とみなす, 科金, 評価する Overview of noun rate The noun rate has 4 senses (first 3 from tagged texts) 1. (68) rate -- (a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected") 2. (39) rate, charge per unit -- (amount of a charge or payment relative to some basis; "a 10-minute phone call at that rate would cost $5") 3. (1) pace, rate -- (the relative speed of progress or change; "he lived at a fast pace"; "he works at a great rate"; "the pace of events accelerated") 4. rate -- (a quantity or amount or measure considered as a proportion of another quantity or amount or measure; "the literacy rate"; "the retention rate"; "the dropout rate") Overview of verb rate The verb rate has 3 senses (first 3 from tagged texts) 1. (9) rate, rank, range, order, grade, place -- (assign a rank or rating to; "how would you rank these students?"; "The restaurant is rated highly in the food guide") 2. (2) rate -- (be worthy of or have a certain rating; "This bond rates highly") 3. (1) rate, value -- (estimate the value of; "How would you rate his chances to become President?"; "Gold was rated highly among the Romans") --- WordNet end ---