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[ÇóÖú] Éó¸åÈËÎÊϸ°û¶¾ÐÔ¡£why the sample has less viability at 4h than 8h,24h?

Éó¸åÈËÎÊϸ°û¶¾ÐÔ¡£why the sample has less viability at 4h than 8h,24h?

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gary286(½ð±Ò+5): ¶àлӦÖú£¬·½·¨ºÍ½á¹ûÈçÏ 2011-06-13 09:09:10
lixiangde(½ð±Ò+1): ¸Ðл»ØÌû½»Á÷ 2011-06-14 15:28:03
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lixiangde(½ð±Ò+1): ¸Ðл»ØÌû½»Á÷ 2011-06-14 15:27:56
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²¹³äÏ£¬4 h -8h -24h -48h -96h,, cell viability·Ö±ðΪ ¡£¡£90%£¬ 93%£¬ 94%£¬ 95%£¬91%,4h ·´¶øÊÇ×îµÍµÄ¡£¡£ 8-96Сʱ»¹ÓÐÆð·ü¡£¡£
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taozhikai(½ð±Ò+3): лл 2011-06-13 09:30:25
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Originally posted by tyl681108 at 2011-06-13 08:58:06:
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The cytotoxicity study was measured using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay in MCF-7 cells. MCF-7 cells were maintained in DMEM media supplemented with 10% fetal bovine serum (FBS) (Gibco, Grand Island, NY., USA), 2 mM L-glutamine, 100 mg/ml streptomycin, and 100 U/ml penicillin. The cell lines were cultured in 35 mm cover glass-bottom dish (SPL Life Sciences, Seoul, South Korea) at 37 oC in a humidified atmosphere containing 5% CO2. The magnetite particles at concentrations of 0, 0.03, 0.3 mg/mL in DMEM medium were mixed with the cells, and the cells were incubated for 4 h, 8 h, 24 h, 48 h, and 96 h. Optical density of each sample was measured in a Dynatech MR7000 ELISA reader at 570 nm. The optical density of the media was proportional to the number of viable cells. Inhibition of proliferation was evaluated as a percentage of control growth. The results were expressed as an average over three nominally identical measurements.


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