89557-35-7

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组织蛋白酶B的酶活检测

组织蛋白酶B是具有广泛特异性的溶酶体半胱氨酸蛋白酶。本方案采用Nα–CBZ–Arg–Arg–7–酰胺基-4-甲基香豆素作为荧光检测组织蛋白酶B活性的底物。

Scepter™ 3.0 Cell Counter – How it Works

Scepter™ counting is 7 to 10 times faster than hemocytometry-and also faster than other automated counters. Learn more about how this amazing technology works

Enzymatic Assay of Cathepsin B

Cathepsin B is a lysosomal cysteine proteinase with broad specificity. This protocol uses Nα–CBZ–Arg–Arg–7–amido–4–methylcoumarin as the substrate for fluorometric detection of Cathepsin B activity.

radiello® Diffusive Air Sampling Application - Phenol, Methylphenol, and Dimethylphenol (thermally desorbed)

Cartridge RAD147 is a stainless steel net cylinder with 100 mesh grid opening and 4.8 mm diameter, packed with 250 ± 10 mg of Tenax-TA, particle size 20-35 mesh. Phenols are trapped by adsorption and recovered by thermal desorption, analysis

Assay of Betamethasone Sodium Phosphate by HPTLC

Development of an HPTLC based method, using Silica Gel 60 F254 plate, to determine Betamethasone Sodium Phosphate over a concentration range of 1 to 7 µg/spot.

In Vitro Differentiation of Human PBMC and CD34+ Derived Monocytes into Mature CD83+/CD14- Dendritic Cells

Generate mature human dendritic immune cells from PBMCs or CD34+ stem cell derived monocytes in 7 days in defined and serum-free dendritic cell culture media. Explore over 350 PromoCell products.

3D Mammosphere Culture Media

3D mammosphere culture protocol used to expand human MCF-7 and MDA-MB-231 breast cancer cells in serum-free/xeno-free stem cell culture media. Explore over 350 PromoCell products on Sigma.com.

慢病毒转导实验方案

如何利用MISSION shRNA慢病毒颗粒进行慢病毒转导，以实现稳定的长期沉默和表型变化的详细操作步骤。

如何制作和使用Percoll梯度

为了配置Percoll梯度液，必须先用生理盐水或细胞培养基将Percoll调至生理性渗透压。

Baird Parker 琼脂上金黄色葡萄球菌的检测与鉴别

一篇关于 Baird Parker 琼脂的文章，用于分离和鉴别食品和药品中的凝固酶阳性葡萄球菌

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