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Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

Merck
CN
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主要文件

安全信息

P3369

Sigma-Aldrich

Protamine sulfate

solid, 90.0-110.0% dry basis,≥92% (chromatography), suitable for transduction

别名:

鱼精蛋白硫酸盐 来源于鲑鱼精子, 硫酸鱼精蛋白

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25 G
¥2,465.37
500 G
¥10,505.95

¥2,465.37


国内现货,预计发货时间2025年4月27日详情


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25 G
¥2,465.37
500 G
¥10,505.95

About This Item

MDL编号:
UNSPSC代码:
12352202
NACRES:
NA.77

¥2,465.37


国内现货,预计发货时间2025年4月27日详情


获取大包装报价

产品名称

硫酸鱼精蛋白, meets USP testing specifications

Agency

meets USP testing specifications

质量水平

方案

≥92% (chromatography)
90.0-110.0% dry basis

表单

solid

分子量

Mr 5000-10000

技术

transduction: suitable

运输

ambient

储存温度

2-8°C

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此商品
D15292780352513259
Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

grade

battery grade

grade

-

grade

-

grade

analytical standard

form

liquid

form

liquid

form

liquid

form

-

application(s)

battery manufacturing

application(s)

-

application(s)

-

application(s)

environmental
pharmaceutical

impurities

≤10 ppm H2O, ≤10 ppm acid

impurities

-

impurities

-

impurities

≤0.02% water

assay

≥99.9%

assay

99%

assay

≥99.0% (GC)

assay

≥99.0% (GC)

一般描述

硫酸鱼精蛋白是阳离子多肽,从鲑鱼精子中分离得到,分子量5 kDa。[1]

应用

硫酸鱼精蛋白用于:
  • 将慢病毒转导进人胚胎293T细胞[2]
  • 将 shRNA转导入间充质干细胞/骨髓基质细胞(MSC)[3]
  • 将 慢病毒Sca1-OCT4质粒转导入人脐血造血祖细胞CD34+ 细胞 [4]

生化/生理作用

碱性鱼精蛋白与带负电荷的肝素结合。在心血管外科手术中使用鱼精蛋白有时会引发过敏反应。[5]
鱼精蛋白有助于使用阳离子脂质体直接转染微生物 细胞和人类细胞。鱼精蛋白能够有效中和肝素的抗凝作用。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

动植物源性产品
  • 技术规格说明书

  • 历史批次信息供参考:

    分析证书(COA)

    Lot/Batch Number

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    Moosung Lee et al.
    eLife, 9 (2020-12-18)
    The immunological synapse (IS) is a cell-cell junction between a T cell and a professional antigen-presenting cell. Since the IS formation is a critical step for the initiation of an antigen-specific immune response, various live-cell imaging techniques, most of which
    Protamine sulfate down-regulates thrombin generation by inhibiting factor V activation
    Ainle FN, et al.
    Blood, 114(8), 1658-1665 (2009)
    Reprogramming of Human Cord Blood CD34+ Cells into Induced MSCs
    Hematopoietic Differentiation of Human Pluripotent Stem Cells, 91-101 (2015)
    Meagan R Rollins et al.
    Current protocols in immunology, 129(1), e97-e97 (2020-05-21)
    T lymphocytes are capable of specific recognition and elimination of target cells. Physiological antigen recognition is mediated by the T cell receptor (TCR), which is an alpha beta heterodimer comprising the products of randomly rearranged V, D, and J genes.
    F L Sorgi et al.
    Gene therapy, 4(9), 961-968 (1998-02-12)
    A polycationic peptide, protamine sulfate, USP, has been shown to be able to condense plasmid DNA efficiently for delivery into several different types of cells in vitro by several different types of cationic liposomes. The monovalent cationic liposomal formulations (DC-Chol

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