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Endotoxins are integral components of the outer membrane of gram-negative bacteria. Chemically, these molecules consist of a hydrophilic polysaccharide chain and a hydrophobic anchor known as Lipid A, which is the primary driver of biological toxicity. Because bacteria can thrive in nutrient-poor environments like water and buffers, endotoxins are ubiquitous in bioprocessing. In aqueous solutions, endotoxins self-assemble into large aggregates with molecular weights often exceeding 1000 kDa. However, the presence of proteins can dissociate these into monomers of 10-20 kDa, which are harder to remove due to their similar size to many target proteins.
Fig.1 The structure of bacterial endotoxin (LPS).1
Endotoxin removal is the critical process of selectively sequestering these molecules to prevent severe pyrogenic reactions, systemic inflammatory response syndrome (SIRS), and inaccurate experimental data. Creative Biolabs specialized kits are engineered to break the masking effect where LPS binds to your target product.
The workflow for an endotoxin removal kit is engineered to prioritize speed, high target recovery and maximum potency preservation, typically completing the entire process in under 60 minutes. Unlike traditional methods that may take hours, this streamlined approach ensures that high-value biological assets are purified.
Creative Biolabs offers a suite of products tailored to your specific molecular requirements. Our endotoxin removal kits help you obtain high-quality, pyrogen-free biologicals through advanced multi-modal ligand technology and high-affinity polycationic networks. We ensure your high-value assets reach the clinic without the risk of lipopolysaccharide-induced inflammatory responses.
Capable of sequestering up to 2,000,000 EU/mL of resin, handling high-concentration challenges.
Our synergistic polycationic and hydrophobic ligands provide distinct binding sites, maintaining high protein/DNA recovery (>90%).
Our matrices remain stable and effective in high-salt environments and across a broad pH range (4.0-9.0).
100% synthetic matrices eliminate the risk of beta-glucan interference, ensuring accurate LAL assay results.
Creative Biolabs is committed to providing the biopharmaceutical community with advanced endotoxin removal kits. Our Endotoxin Removal Kits are built on two decades of specialized expertise at the intersection of bench science and clinical regulation. By combining rigorous scientific validation with high-efficiency recovery, we ensure that your drug discovery and development processes are never compromised by bacterial contaminants. Contact us for detailed technical specifications, bulk pricing, or to discuss a custom purification project.
Our kits include specialized dissociation buffers that break the hydrophobic and electrostatic bonds between LPS and your target protein.
Yes. Our multi-modal ligands provide high selectivity. By adjusting the pH close to the isoelectric point (pI) of your protein, we minimize competition and achieve high recovery rates.
Ultrafiltration often results in significant loss if the protein is small or LPS monomers are present. Our kits consistently provide yields >90% across a wide range of sample types.
Our advanced adsorption chemistry is significantly less dependent on ionic strength than traditional methods, maintaining efficacy in up to 0.5 M NaCl.
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