1. GPCR/G Protein
  2. LPL Receptor
  3. Poloxamer 407

Poloxamer 407  (Synonyms: 泊洛沙姆 407)

目录号: HY-D1005
COA 产品使用指南

Poloxamer 407 是一种非离子型表面活性剂,Poloxamer 407 具有 100% 的活性并且对细胞相对无毒性的,常与染料 AM 酯一起使用,以增强其水溶性。Poloxamer 407 也是一种 lipoprotein lipase 抑制剂。

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Poloxamer 407 Chemical Structure

Poloxamer 407 Chemical Structure

CAS No. : 9003-11-6

1.  客户无需承担相应的运输费用。

2.  同一机构(单位)同一产品试用装仅限申领一次,同一机构(单位)一年内

     可免费申领三个不同产品的试用装。

3.  试用装只面向终端客户

规格 价格 是否有货 数量
500 mg ¥500
In-stock
1 g ¥800
In-stock
5 g ¥1600
In-stock
10 g   询价  
50 g   询价  

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MCE 顾客使用本产品发表的 2 篇科研文献

  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

Poloxamer 407 is a nonionic surfactant that is 100% active and relatively non-toxic to cells at low concentrations, and frequently used with dye AM esters such as Indo-1 AM, Fura-2 AM, Calcein AM, Fluo-3 AM, Fluo-4 AM, Quest Fluo-8™ AM and Quest Rhod-4™ AM, etc. to improve their water solubility. Poloxamer 407 is also a lipoprotein lipase inhibitor[1][2].

体外研究
(In Vitro)

Guidelines (Following is our recommended protocol. This protocol only provides a guideline, and should be modified according to your specific needs).
1. Dissolve 1 g of Poloxamer 407 in 10 mL distilled water to make a 10% (w/v) stock solution, or 2 g of Poloxamer 407 in 10 mL DMSO to make a 20% (w/v) stock solution. These may require heating from 40 to 50°C for about 30 minutes. Store solution at room temperature. Do not refrigerate or freeze the Poloxamer 407 solution since it may precipitate. If precipitation is observed, the precipitates can be dissolved by heating to 37°C and vortexing before use.
2. Dilute the 10% or 20% Poloxamer 407 stock solution into the cell-loading buffer such as Hanks and 20 mM Hepes buffer (HHBS) at 1:1000 to 1:500 dilution to achieve a 0.02 to 0.04% working solution.
3. The DMSO stock solution of AM ester is then diluted into the 0.02 to 0.04% working solution to achieve a final AM ester concentration between 1 μM and 10 μM. The final concentration of Poloxamer 407 is normally kept at or below 0.08%.
4. The cells are incubated at a desired temperature for between 10 minutes and 1 hour. In general it is desirable to use the minimum amount of AM ester needed to achieve adequate fluorescence signal to noise levels.
5. After labeling, the cells are washed with HHBS or fresh medium before starting the experiment.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究
(In Vivo)

Poloxamer 407 (0.25 g/kg; i.p.; every other day for 7 weeks) induces hypertriglyceridemia but decreases atherosclerosis in Ldlr-/- mice[2].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Ldlr−/− mice[2]
Dosage: 0.25 g/kg
Administration: Intraperitoneal injection, every other day for 7 weeks
Result: Mice tended to have a lower body weight and had smaller epididymal fat pads compared to the saline controls, and had reduced atherosclerosis.
分子量

12000(Average)

CAS 号
性状

固体

颜色

White to off-white

中文名称

泊洛沙姆 407

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

H2O 中的溶解度 : 110 mg/mL (超声助溶)

  • 摩尔计算器

  • 稀释计算器

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

质量
=
浓度
×
体积
×
分子量 *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start)

C1

×
体积 (start)

V1

=
浓度 (final)

C2

×
体积 (final)

V2

In Vivo:

以下溶解方案,请直接配置工作液。建议现用现配,在短期内尽快用完。 以下溶剂前显示的百分比是指该溶剂在您配制终溶液中的体积占比; 如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶。

  • 方案 一

    请依序添加每种溶剂: PBS

    Solubility: 50 mg/mL (Infinity mM); 澄清溶液; 超声助溶

动物溶解方案计算器
请输入动物实验的基本信息:

给药剂量

mg/kg

动物的平均体重

g

每只动物的给药体积

μL

动物数量

由于实验过程有损耗,建议您多配一只动物的量
计算结果
工作液所需浓度 : mg/mL
该产品水溶性佳,请具体参考实测 水 / PBS / Saline 中的溶解度数据。
您所需的储备液浓度超过该产品的实测溶解度,如有需要,请与 MCE 中国技术支持联系。
纯度 & 产品资料

参考文献

Poloxamer 407 相关分类

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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产品名称:
Poloxamer 407
目录号:
HY-D1005
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