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P4832

Poly-ʟ-Lysine Hydrobromide

synthetic, mol wt 150,000-300,000, solution, 0.01%, suitable for cell culture

Synonym(s):

PLL Solution

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About This Item

CAS Number:
25988-63-0
UNSPSC Code:
12352202
eCl@ss:
32160406
NACRES:
NA.75
MDL number:
MFCD00165424
Biological source:
synthetic
Form:
solution
Technique(s):
cell culture | mammalian: suitable
Concentration:
0.01%
Mol wt:
150,000-300,000
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Product Name

Poly-L-lysine solution, mol wt 150,000-300,000, 0.01%, sterile-filtered, BioReagent, suitable for cell culture

biological source

synthetic

sterility

sterile-filtered

product line

BioReagent

form

solution

mol wt

150,000-300,000

packaging

pkg of 50 mL

concentration

0.01%

technique(s)

cell culture | mammalian: suitable

impurities

endotoxin, tested

solubility

water: soluble

shipped in

ambient

storage temp.

2-8°C

SMILES string

N([C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)O)C(=O)[C@@H](N)CCCCN

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 key

WBSCNDJQPKSPII-KKUMJFAQSA-N

General description

L-lysine is a homopolypeptide having two enantiomeric forms, L and D lysine. Through its three reactive groups (the carboxylic acid and the α and ε amines), L-lysine has the capacity to generate various branched polymeric structures, including dendrimers, branched polylysine, and hyperbranched polylysine (PLL). Poly-L-lysine is a polymer made up of positively charged amino acid residues, with each lysine residue typically containing one HBr.

Application

Poly-L-lysine has been used:

  • In coating 96-well plates for cell attachment in testing respiratory burst activity.
  • In coating glass cover slips for immunofluorescent labeling of intracellular structures.
  • For pretreating 6-well plate in myosatellite cell isolation protocol.
  • In coating coverslips for cell adhesion in E14 neuron culture to study possible mechanism of action of circRNA_01477 in neurons.
Poly-L-lysine polymers can be used in promoting cell adhesion to solid substrates, conjugation to methotrexate for increased drug transport, microencapsulation of islets, cell microencapsulation technology, microarray glass slide coating, and chromosomal preparations. Lower molecular weight poly-L-lysine (30,000-70,000) is less viscuous in solution, but higher molecular weight versions provide more attachment sites per molecule.

Biochem/physiol Actions

Poly‐l‐lysine (PLL) acts as polycationic polymers that have been extensively used to carry drugs, genes etc. across the cell membrane. Poly-L-lysine (PLL) has the capability to engage in the formation of polyelectrolyte complexes (PECs) by interacting with anionic entities such as polyanions, nucleic acid chains and some drugs.
Poly-L-lysine is a nonspecific attachment factor for cells useful in promoting cell adhesion to solid substrates by enhancing electrostatic interaction between negatively charged ions of the cell membrane and the culture surface. When it is absorbed to the cell culture surface, poly-L-lysine functions to increase the number of positively charged sites available for cell binding. With cells that can digest poly-L-lysine, poly-D-lysine should be used as the attachment factor.

Preparation Note

This product is supplied as a 0.01% sterile filtered solution in water, using a molecular weight of 150 - 300 kDa. Coating slides with this solution should be followed with a 5 minute incubation and drying the slides at room temperature. Coated slides will be stable for one year if protected from dust.

Other Notes

Poly-L-lysine is a positively charged amino acid polymer with approximately one HBr per lysine residue. The hydrobromide allows the poly-L-lysine to be in a crystalline form soluble in water. A small amount of product may be found in the beta structure because the HBr interferes with hydrogen bonding between amino and either the carboxyl groups or N or O containing moieties.

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wgk

WGK 2

Storage Class

12 - Non Combustible Liquids

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
RNBL8857
RNBL7512
RNBK6528
RNBK4920
RNBK1397

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Protocols

多聚-L-赖氨酸细胞附着实验方案

使用多聚-赖氨酸将细胞粘附在固相基质上，多聚-赖氨酸可增强细胞膜表面的负电荷离子与培养表面之间的静电相互作用。

Poly-L-Lysine Cell Attachment Protocol

Adhere cells to solid substrates using poly-lysine, which enhances electrostatic interaction between negatively charged ions of the cell membrane and the culture surface.

Articles

3D 细胞培养工具和技术

3D细胞培养概述。了解2D与3D细胞培养的对比结果，3D细胞培养的优势以及可用于开发3D细胞模型的技术

癌症干细胞：癌症治疗的靶标

培养和表征CSC群体的癌症干细胞培养基、球状体培养板和癌症干细胞标志物。

3D Cell Culture Tools and Techniques

3D cell culture overview. Learn about 2D vs 3D cell culture, advantages of 3D cell culture, and techniques available to develop 3D cell models

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Caitlin N Spaulding et al.
eLife, 7 (2018-01-19)
Uropathogenic E. coli (UPEC), which cause urinary tract infections (UTI), utilize type 1 pili, a chaperone usher pathway (CUP) pilus, to cause UTI and colonize the gut. The pilus rod, comprised of repeating FimA subunits, provides a structural scaffold for
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
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Global Trade Item Number

SKUGTIN
P4832-50ML04061834375265