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Merck

P4707

Poly-ʟ-Lysine Hydrobromide

synthetic, liquid, 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

Key Documents

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Product Name

Poly-L-lysine solution, 0.01%, sterile-filtered, BioReagent, suitable for cell culture

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

biological source

synthetic

sterility

sterile-filtered

product line

BioReagent

form

liquid

mol wt

70—150 kDa

packaging

pkg of 50 mL

concentration

0.01%

technique(s)

cell culture | mammalian: suitable

surface coverage

4 μg/cm2

impurities

endotoxin, tested

solubility

water: soluble

shipped in

ambient

storage temp.

2-8°C

Quality Level

300

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Preparation Note

This product is supplied as a 0.01% sterile filtered solution in water. 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.

Application

  • Poly-L-lysine coated glass coverslips have been used for mounting samples for scanning electron microscopy.
  • Poly-L-lysine coated wells were used for trapping of PC-12 cells on electrodes.
  • Poly-L-lysine-coated borosilicate glass slides were used for the seeding of viral vector-transduced cells.
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 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.

General description

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.

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.

Storage Class

12 - Non Combustible Liquids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
RNBM0098
RNBL7086
RNBL4935
RNBK9614
RNBK6373

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All polymer chip for amperometric studies of transmitter release from large groups of neuronal cells.
Larsen ST and Taboryski R
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Lu JF et al.
Pharmacological Research, 76, 77-77 (2013)
Promiscuous dimerization of the growth hormone secretagogue receptor (GHS-R1a) attenuates ghrelin-mediated signaling.
Schellekens H et al.
The Journal of Biological Chemistry, 288, 181-181 (2013)
Lesley T MacNeil et al.
Nature neuroscience, 12(2), 150-155 (2009-01-27)
The UNC-5 receptor mediates axon repulsion from UNC-6/netrin through UNC-40 dependent (UNC-5 + UNC-40) and independent (UNC-5 alone) signaling pathways. It has been shown that UNC-40-dependent signaling is required for long-range repulsion of UNC-6/netrin; however, the mechanisms used to regulate
Alexandre Stipanovich et al.
Nature, 453(7197), 879-884 (2008-05-23)
Dopamine orchestrates motor behaviour and reward-driven learning. Perturbations of dopamine signalling have been implicated in several neurological and psychiatric disorders, and in drug addiction. The actions of dopamine are mediated in part by the regulation of gene expression in the
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Protocols

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.

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