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北京石油化工学院2026年研究生招生接收调剂公告
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scswpiyly

金虫 (小有名气)

[求助] 请帮忙翻译一段生物医药方面的内容,谢谢~

EXPERIMENTAL EXAMPLE 1-1: Inhibition of Degranulation of Mast Cells - β-Hexosaminidase Assay
The rat basophilic leukemia cell line RBL-2H3 was seeded at a density of 2x105 cells/well in MEM supplemented with 15% FBS and 100 units/ml penicillin and streptomycin and incubated for 24 hours at 37ºC in a 5% CO2 atmosphere.
After removal of the medium, the cells were incubated for 4 hours in a fresh MEM medium containing 25 ng/ml anti-DNP IgE.  Then, the cells were washed with PIPES buffer (25mM PIPES, 119 mM NaCl, 5 mM KCl, 1 mM CaCl2, 0.4 mM MgCl2, 40 mM NaOH, 5.6 mM glucose, 0.1% BSA) before pre-incubation for 10 min.  Thereafter, the cells were treated for 20 min with 25, 50 and 100 μg/ml the samples of Example 1 and then for 20 min with 50 ng/ml DNP-BSA.  The reaction was terminated at 4ºC and the supernatant was plated in an amount of 25 μL/well into 96-well plates and reacted with 25 μL of  1 mM P-nitrophenyl-acetyl-β-D-glucosaminide at 37ºC for 1 hour in each well. The reaction was terminated with 0.1 M citrate buffer before absorbance at 405 nm was read in an ELISA reader.
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scswpiyly

金虫 (小有名气)

请大家帮帮忙吧!
2楼2012-06-18 10:39:37
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古可ぷ

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【答案】应助回帖

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Mally89: 金币+1, 感谢应助,欢迎常来哈! 2012-06-21 19:56:05
scswpiyly: 金币+10, 翻译EPI+1, ★★★很有帮助, thanks! 2012-06-25 17:08:31
实验1-1:肥大细胞脱颗粒-β-氨基己糖苷酶的抑制试验
大鼠嗜碱性粒细胞系RBL-2H3种植到浓度为 2x105 个细胞/孔、含有15% FBS 和100单位/ml 青霉素和链霉素的MEM培养基中,37度下、5%co2环境中,培养24小时。移去培养介质后,细胞在含有25 ng/ml 抗体免疫球蛋白E的新MEM培养基中培养4小时。之后,在预培养前用 PIPES 缓冲液(25mg/ml PIPES, 119 mg/ml NaCl, 5 mg/ml  KCl, 1 mg/ml  CaCl2, 0.4 mg/ml MgCl2, 40 mg/ml  NaOH, 5.6 mg/ml  葡萄糖, 0.1% 牛血清蛋白)洗涤细胞。随后,细胞用 25, 50 以及 100 μg/ml的实验1样品处理20分钟,再用50 ng/ml 抗体-牛血清蛋白处理20分钟。反应在4……后终止,上清液以25 μL/孔的量加入96-孔的培养皿中,每孔加入25 μL1mg/ml的对硝基苯酚-乙酰基-β-D-氨基葡萄糖苷与之在37……反应一小时。在用ELISA测定仪测定405nm处的吸光度前,用0.1mol/l的柠檬酸缓冲液终止反应。

有些乱码的自己添加上去
非吾小天下,才高而已;非吾纵古今,时赋而已;非吾睨九州,宏观而已;三非焉罪?无梦至胜
3楼2012-06-21 16:47:49
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