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Merck

P1149

Sigma-Aldrich

Poly-D-lysine hydrobromide

suitable for cell culture, Mol wt 150,000-300,000

Synonim(y):

D-Lysine homopolymer hydrobromide

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About This Item

Wzór liniowy:
D-Lys-(D-Lys)n-D-Lys · xHBr
Numer CAS:
Numer MDL:
Kod UNSPSC:
12352209
Identyfikator substancji w PubChem:
NACRES:
NA.26

Nazwa produktu

Poly-D-lysine hydrobromide, mol wt 150,000-300,000

Formularz

powder

Poziom jakości

masa cząsteczkowa

150,000-300,000

metody

cell culture | mammalian: suitable

kolor

white to light yellow

temp. przechowywania

−20°C

ciąg SMILES

O=C(C)[C@@](NC)([H])CCCCN.[Br]

InChI

1S/C6H14N2O2.BrH/c7-4-2-1-3-5(8)6(9)10;/h5H,1-4,7-8H2,(H,9,10);1H

Klucz InChI

MEXAGTSTSPYCEP-UHFFFAOYSA-N

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Zastosowanie

Poly-D-lysine polymers can be used in preparing surfaces for cell attachment. The D-lysine polymers can also be used with cells that digest poly-L-lysine polymers and cause an excessive uptake of L-lysine.

This product is recommended as a cell culture substratum when using 0.5 - 1.0 mL of a 0.1 mg/mL solution to coat 25 cm2. Lower molecular weight versions of the product are less viscous, but high more molecular weight versions provide more attachment sites per molecule.

Działania biochem./fizjol.

Poly-D-lysine (PDL) hydrobromide 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. After absorption to the culture surface, poly-D-lysine increases the number of positively charged cell binding sites.

Komponenty

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

Przestroga

Sterile solutions are stable for up to 2 years when stored at 2-8°C. It should be stored desiccated at -20°C.

Uwaga dotycząca przygotowania

This product has a molecular weight of 150,000-300,000. To remove the HBr, dissolve this product in a neutral buffer and dialyze to remove the salts. In general, to use this product as an attachment factor, add 50 mL of sterile tissue culture grade water to 5 mg of poly-lysine, and aseptically coat the surface with 1 mL per 25 cm2 of solution. After 5 minutes, remove the solution through aspiration and thoroughly rinse the surface. Let dry for two hours before introducing cells and medium.
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Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)


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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

Wen-Juan Fan et al.
Neural regeneration research, 11(2), 312-318 (2016-04-14)
To investigate the pattern of neural differentiation and synaptogenesis in the mouse retina, immunolabeling, BrdU assay and transmission electron microscopy were used. We show that the neuroblastic cell layer is the germinal zone for neural differentiation and retinal lamination. Ganglion
Jennifer Heck et al.
Neuron, 103(1), 66-79 (2019-05-21)
The precision and reliability of synaptic information transfer depend on the molecular organization of voltage-gated calcium channels (VGCCs) within the presynaptic membrane. Alternative splicing of exon 47 affects the C-terminal structure of VGCCs and their affinity to intracellular partners and
Chae-Seok Lim et al.
Genes & development, 31(6), 537-552 (2017-04-14)
Rapid advances in genetics are linking mutations on genes to diseases at an exponential rate, yet characterizing the gene-mutation-cell-behavior relationships essential for precision medicine remains a daunting task. More than 350 mutations on small GTPase
Zhou Xu et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 25(10), 3426-3435 (2011-06-24)
Misfolding of the prion protein (PrP) is the central feature of prion diseases. The conversion of the normal α-helical PrP(C) into a pathological β-enriched PrP(Sc) constitutes an early event in the infectious process. Several hypotheses, involving different regions of the
Jun Han et al.
Frontiers in cell and developmental biology, 8, 579236-579236 (2021-01-29)
Hypoxia-ischemia brain damage (HIBD) is a neurological disorder occring in neonates, which is exacerbated by neuronal apoptosis. Mesenchymal stem cells (MSCs)-derived extracellular vesicles (EVs) have been proposed as a promising strategy for treating or preventing ischemia-related diseases. However, their mechanisms

Produkty

Humankind has utilized protein materials throughout its existence, starting with the use of materials such as wool and silk for warmth and protection from the elements and continuing with the use of recombinant DNA techniques to synthesize proteins with unique and useful properties.

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