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麦格生物
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| 产品品牌: | Millipore |
| 产品名称: | 超滤管4.0ml 100KD |
| 产品货号: | Merck-UFC8100 |
| 产品规格: | 1支 |
| 保存温度: | 常温 |
Millipore 超滤管4.0ml 100KD说明:
Amicon ® Ultra 4 mL centrifuge and Ultracel ® The 100000 Dalton molecular weight cutoff filter provides fast ultrafiltration and reliable macromolecule retention. For example, the IgG (156 kDa) retention rate at an initial concentration of 1 mg/ml is>95%.
The vertical design and effective membrane surface area provide fast sample processing, high sample recovery (typically greater than 90% of the dilute starting solution), and a processing capacity of 80 times the concentration. The vertical design minimizes solute polarization and subsequent membrane fouling, and the physical permanent stop point in the filtration device prevents spinning drying and potential sample loss.
Use a pipette to collect the concentrated solution from the sample library of the filtration device, while collecting the ultrafiltration solution in the provided centrifuge tube. This device can rotate in a swinging bucket or in a fixed angle rotor. Amicon ® The Ultra 15 mL filter features a vertical membrane design and permanent stop point, providing the highest recovery rate in a short rotation time.
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文献和实验)。仔细收集上清。检测细胞内的成份时,用 PBS ( PH7.2-7.4 )稀释细胞悬液,细胞浓度达到 100 万 /ml 左右。通过反复冻融,以使细胞破坏并放出细胞内成份。离心 20 分钟左右( 2000-3000 转 / 分)。仔细收集上清。保存过程中如有沉淀形成,应再次离心。 5. 组织标本:切割标本后,称取重量。加入一定量的 PBS , PH7.4 。用液氮迅速冷冻保存备用。标本融化后仍然保持 2-8℃ 的温度。加入一定量的 PBS ( PH7.4 ),用手工或匀浆器将标本匀浆
IASYS-binding cuvette and getting KD
of ligands to the carboxymethylated dextran coated cuvette (1) Dissolve 0.2 g N-Hydroxysuccinimide (NHS)in 15 ml of deionized H2O to get 0.0133 g/ml (0.116 mol/L)concentration and aliquot into 250 µl volume and store in a -20 ℃ freezer. (2) Dissolve 1.15 g
个人工作多年以后再回来读博的,所以实验技术什么的从头学起,这其中WB走的弯路最多,现在就和大家聊聊我个人的历程,并交流一下自己的经验。这个经验是我跑一个11KD分子量分泌性蛋白得出的,肯定不会适用于所有情况,但是论坛里面受困于小分子量蛋白WB的朋友还是很多,所以聊胜于无,在此分享一下。我搞得蛋白质是一个11KD的分泌性蛋白,并且是我实验设计中一个重要的指标,最初学习WB技术,受困于二抗不合格一直连内参都做不出来。。。后面改换抗体之后,才相对顺利一点,其他指标也相继出来了。所以抗体真的很重
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