Poly-L-lysine hydrochloride
Based on 1 publication(s) in Google Scholar
Poly-L-lysine hydrochloride 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. Poly-L-lysine hydrochloride is a strong-attraction regulator that promotes liquid-liquid phase separation (LLPS) at low concentrations but suppresses LLPS at high concentrations. Antibacterial cationic peptide..
For research use only. We do not sell to patients.
- CAS No.: 26124-78-7
- Formula: C8H19ClN2O
- Molecular Weight:30000-50000
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Storage:
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Publications Citing Use of MedChemExpress (MCE) Poly-L-lysine hydrochloride
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Biological Activity
Description
In Vitro
Poly-L-lysine is a food-grade antimicrobial peptide that forms complexes with proteins. Such complexes are potential carriers for targeted delivery of agents. Electrostatic potential modelling of EPL was employed to describe the interaction affinity. A three-dimensional phase boundary curve was established which divided the complexation into a nano-scale and phase separation[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
Chemical Information
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CAS No. 26124-78-7
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Appearance Solid
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Molecular Weight 30000-50000
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Formula C8H19ClN2O
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Color White to off-white
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SMILES
CN[C@@H](CCCC[NH3+])C(C)=O.[n].[Cl-].[n]
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Publications (1)
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Journal Impact Factor
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Most Recent
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Cell Signal
BCAR3 confers resistance to cisplatin in head and neck squamous cell carcinoma by sustaining TGF-β/SMAD signaling. [Abstract]2025 Sep 9:136:112124. PMID: 40935299
Solvent & Solubility
In Vitro:
H2O : 50 mg/mL (Need ultrasonic and warming)
Protocols
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Research Protocol for Infectious Diseases
Infectious-disease experiments test how pathogens interact with host barriers, innate immune receptors, inflammatory signaling, pathogen replication, and tissue injury; pattern-recognition receptors such as TLRs, RIG-I-like receptors, NOD-like receptors, and inflammasomes detect microbial molecules and activate NF-κB, interferon, and cytokine responses. The central hypothesis is that infection severity reflects the balance between pathogen burden and host response: protective inflammation restricts pathogen growth, whereas excessive or mislocalized inflammation contributes to tissue damage and disease phenotype. Unresolved questions include which host pathways are protective versus pathogenic, why some infection models fail to translate to human disease, and which combined readouts best predict clinically relevant infection outcomes.
Purity & Documentation
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Data Sheet (271 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
[1]. Archishman Ghosh, et al. Three archetypical classes of macromolecular regulators of protein liquid-liquid phase separation. Proc Natl Acad Sci U S A. 2019 Sep 24;116(39):19474-19483. [Content Brief]
[2]. Liang Guo, et al. pH-induced structural transition during complexation and precipitation of sodium caseinate and ε-Poly-l-lysine. Int J Biol Macromol. 2020 Jul 1;154:644-653. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)