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Research use only.
LL-37 is a synthetic research peptide supplied for controlled laboratory investigation. Researchers study this peptide in structured research focused on peptide signaling, molecular interaction behavior, and sequence specific activity within experimental models. Its defined peptide structure helps laboratories design repeatable studies under stable and standardized research conditions.
Because LL-37 represents a well defined peptide sequence, researchers actively use it to examine how peptides interact within controlled experimental environments. This focused approach helps research teams study interaction patterns, signaling behavior, and sequence related responses while maintaining strong control over experimental variables. As a result, laboratories collect clear and repeatable data across multiple study phases.
In laboratory settings, scientists handle LL-37 using standard peptide preparation and safety procedures. The peptide format allows researchers to measure accurately and apply the compound in a controlled manner during experiments. Therefore, research teams maintain stable testing conditions and focus on observation, documentation, and data analysis without unnecessary variation.
Researchers value LL-37 for its compatibility with structured research workflows and studies that involve defined peptide sequences. Its consistent composition helps reduce variability during testing and supports comparison across experiments involving related peptides. In addition, its predictable handling characteristics support long term laboratory projects that require reliable research materials.
Ongoing scientific research continues to include LL-37 in peptide focused laboratory studies. Researchers rely on its defined sequence, stable behavior, and suitability for controlled research models to support advanced experimental work involving peptide signaling and interaction analysis.
LL-37 is a 37-amino acid cationic peptide and the only known human member of the cathelicidin family of antimicrobial peptides. Derived from the C-terminal region of the hCAP18 precursor protein, LL-37 is expressed in various immune and epithelial cells. In preclinical and laboratory research, LL-37 has been investigated for its role in innate immunity, host defense mechanisms, and cell signaling pathways.
Published studies have explored LL-37 in the context of:
All of our products are manufactured using the Lyophilization (Freeze Drying) process, which ensures that our products remain 100% stable for shipping for up to 3-4 months. Once the peptides are reconstituted (mixed with bacteriostatic water), they must be stored in the fridge to maintain stability. After reconstitution, the peptides will remain stable for up to 30 days.
Reconstitute slowly by adding solvent to the side of the vial and allowing it to dissolve without agitation. Do not shake. Store away from direct light. All products are shipped with dry ice or cold packs to maintain cold-chain integrity.
All LL-37 batches are independently tested by a third-party laboratory for purity and identity verification via HPLC with UV detection coupled with Mass Spectrometry.
| Test | Method | Specification | Result |
|---|---|---|---|
| Peptide Identity | Mass Spectrometry | Confirmed | Identity Confirmed |
| HPLC Purity | Reverse-Phase HPLC | ≥99% | 99.2% — Pass |
| Endotoxin (LAL) | LAL Assay | <1.0 EU/mg | <0.8 EU/mg — Pass |
| Heavy Metals | ICP-MS | Below USP limits | All Below Threshold |
| Appearance | Visual | White lyophilised powder | Pass |
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