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P8920

Sigma-Aldrich

多聚-L-赖氨酸 溶液

0.1 % (w/v) in H2O

别名:

2-(4-氰基苯胺基)-4,6-二氯嘧啶, 4-[(4,6-二氯-2-嘧啶基)氨基]氰苯

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About This Item

CAS号:
25988-63-0
MDL號碼:
MFCD00165424
分類程式碼代碼:
41116121
eCl@ss:
32160406
NACRES:
NA.47

生物源

synthetic

品質等級

200

儲存期限

Expiry date on the label.

分子量

150,000-300,000

濃度

0.1 % (w/v) in H2O

顏色

colorless

應用

hematology
histology

儲存溫度

room temp

InChI

1S/C18H38N6O4/c19-10-4-1-7-13(22)16(25)23-14(8-2-5-11-20)17(26)24-15(18(27)28)9-3-6-12-21/h13-15H,1-12,19-22H2,(H,23,25)(H,24,26)(H,27,28)/t13-,14-,15-/m0/s1

InChI 密鑰

WBSCNDJQPKSPII-KKUMJFAQSA-N

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應用

聚-L-赖氨酸溶液已用于将内皮细胞横截面附着到UV交联的PET膜框架玻片上。聚-L-赖氨酸涂覆的玻片用于放置用于免疫组化检测的组织切片。
聚-L-赖氨酸聚合物可用于促进细胞对固体底物的粘附、与甲氨蝶呤结合以增加药物转运、胰岛微囊化、细胞微囊化技术、微阵列玻片涂层和染色体制剂。 较低分子量的聚-L-赖氨酸（30000-70000）在溶液中粘度较低，但分子量较高的聚赖氨酸在每个分子中提供更多的附着位点。

生化／生理作用

聚-L-赖氨酸是一种非特异性的细胞附着因子，通过增强细胞膜负离子与培养基表面的静电相互作用，促进细胞对固体基质的粘附。 当其吸附到细胞培养表面时，聚-L-赖氨酸的作用是增加可用于细胞结合的带正电荷位点的数量。 对于可降解聚-L-赖氨酸的细胞，应采用聚-D-赖氨酸作为附着因子。

成分

聚-L-赖氨酸是一种带正电荷的氨基酸聚合物，每个赖氨酸残基约有一个HBr。 氢溴酸盐可使聚-L-赖氨酸以可溶于水的结晶形式存在。 在β结构中可能会发现少量的产物，因为HBr干扰氨基与羧基或含N或O部分之间的氢键。

準備報告

该产品以0.10％（w/v）水溶液形式提供的。用该溶液进行涂覆的玻片应当随后进行一步5分钟的孵育并在室温对其进行干燥。 涂覆的玻片在免收灰尘的保护下可稳定一年。

取代透過

产品编号
说明
价格

象形圖

Exclamation markEnvironment
GHS07,GHS09

訊號詞

Warning

危險分類

Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

儲存類別代碼

12 - Non Combustible Liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。

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Kimberly Cramer et al.
International journal of molecular sciences, 20(14) (2019-07-13)
In situ visualization of molecular assemblies near their macromolecular scale is a powerful tool to investigate fundamental cellular processes. Super-resolution light microscopies (SRM) overcome the diffraction limit and allow researchers to investigate molecular arrangements at the nanoscale. However, in bacterial
Expression of the receptor activator for nuclear factor-?B ligand and osteoprotegerin in chronic otitis media.
Kuczkowski J et al.
American Journal of Otolaryngology, 31, 404-404 (2010)
Hermann C Altmeppen et al.
Molecular neurodegeneration, 6, 36-36 (2011-05-31)
The cellular prion protein (PrPC) fulfils several yet not completely understood physiological functions. Apart from these functions, it has the ability to misfold into a pathogenic scrapie form (PrPSc) leading to fatal transmissible spongiform encephalopathies. Proteolytic processing of PrPC generates
Maria Del Pilar Quintana et al.
PloS one, 13(8), e0201669-e0201669 (2018-08-10)
Plasmodium falciparum invasion into red blood cells (RBCs) is a complex process engaging proteins on the merozoite surface and those contained and sequentially released from the apical organelles (micronemes and rhoptries). Fundamental to invasion is the formation of a moving
Guojun Shi et al.
The Journal of clinical investigation, 127(10), 3897-3912 (2017-09-19)
Peptide hormones are crucial regulators of many aspects of human physiology. Mutations that alter these signaling peptides are associated with physiological imbalances that underlie diseases. However, the conformational maturation of peptide hormone precursors (prohormones) in the ER remains largely unexplored.
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