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Knight_Lu

新虫 (初入文坛)

[求助] DCFH-DA体外测材料ROS问题 已有1人参与

求助各位大神,有没有用DCFH-DA测体外ROS的,就是材料表面的,不加细胞,是应该怎么操作?是不是要将DCFH-DA先变成DCFH,如果是的话,加什么东西可以?
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疯子鱼

新虫 (初入文坛)

★ ★ ★
冰点降温: 金币+1, 谢谢回帖交流,欢迎常来无机物化版块。 2017-06-27 09:19:01
Knight_Lu(冰点降温代发): 金币+2 2017-06-27 09:19:05
2.6. Chemical ROS assay
To study the insonation induced ROS generation in solution, RB4
was tested using a modified 2′, 7′–dichlorofluorescin diacetate (DCFH
DA) assay. DCFH-DA (1 ml, 1 mM in MeOH, Aldrich) was hydrolyzed in
NaOH aqueous solution (0.01 N, 4 ml) at RT for 30 min to yield a non
fluorescent DCFH intermediate. The solution was neutralized with
20 ml of NaH2PO4 (25 mM) and shielded with aluminum foil. The final
solution of DCFH was around 40 μM. RB4 (1.0 mg) was dissolved in
DMSO (1 ml), and then diluted with water into a 20 μM solution. The
RB4 solution (20 μM, 10 ml) was mixed with a DCFH solution (40 μM,
10 ml) as the test solution. The test solution (0.5 ml) was placed into
each well of a 24-well plate. The DCFH solution without RB4 was
included as a background control. The plates were treated with
ultrasound (0.4–1.2 watt/cm2) one well by one well for 30 s; the
insonated wells were then checked using a fluorescence plate reader,
ex 485 nm/em 520 nm.
2楼2017-06-26 17:44:50
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STAYLIFE

新虫 (初入文坛)

引用回帖:
2楼: Originally posted by 疯子鱼 at 2017-06-26 17:44:50
2.6. Chemical ROS assay
To study the insonation induced ROS generation in solution, RB4
was tested using a modified 2′, 7′–dichlorofluorescin diacetate (DCFH
DA) assay. DCFH-DA (1 ml, 1 mM in M ...

想做一个体外的,求助这个文献来源
3楼2017-10-09 14:15:58
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lufengying

金虫 (小有名气)

【答案】应助回帖

引用回帖:
3楼: Originally posted by STAYLIFE at 2017-10-09 14:15:58
想做一个体外的,求助这个文献来源...

我正好看见有一篇关于体外测定ROS,分享一下不知道对你有没有用。

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4楼2017-10-17 10:13:04
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