LPS Analysis Service

Background What is LPS? LPS and Innate Immunity

Featured Services Highlights Applications Workflow Why Choose Us FAQs Customer Review Contact Us Resources Related Sections

Lipopolysaccharides (LPS) are involved in the growth or survival of bacteria, the host-parasite interaction, the immunity response, and the toxic pathophysical reaction. As a result, LPS is important to know and describe for applications from vaccine design to biologic safety. Creative Biolabs is dedicated to meeting these demands and has developed a comprehensive and tailor-made LPS Analysis Service. This service combines advanced techniques like SDS-PAGE, Mass Spectrometry, and ELISA with unique solutions like Recombinant Factor C Assays and LAL Assays for unprecedented accuracy of LPS endotoxin identification and endotoxin profiling for drug discovery.

Background

What is LPS?

LPS (or endotoxins) are essential to Gram-negative bacteria's structure and activity. Because they are strong stimulators of the immune system, they provide invaluable information about bacterial evolution and host immunity. However, LPS has a dual nature— beneficial at low levels but harmful in excess, thus exact characterization for them is important for both research and drug development. LPS has three main regions:

Fig.1 The Structure of LPS.^1,3

Antigen: As the most variable part of the bacteria, the O-antigen can change its composition to enable bacteria to deter immune recognition and evade host defenses.
Core Polysaccharide: this area is between lipid A and the O-antigen, protecting the structure and helping the bacterium survive.
Lipid A: The main driver of LPS' immunostimulatory action is this hydrophobic anchor. Its architecture directly affects the immune system, and this is why toxicology and therapeutic studies focus on it.

LPS and Innate Immunity

LPS is an effective alarming signal for Gram-negative bacteria infection, playing a crucial role in triggering the body's natural immune system. When LPS attaches to the Toll-like receptor 4 (TLR4) complex that contains the MD-2 co-receptor, a cascade of intracellular signaling pathways kicks in. These pathways (especially NF-B and MAPK) trigger the release of pro-inflammatory cytokines like TNF-α, IL-6, and IL-1β. This accelerated immune response is essential to activate defenses against bacteria, killing the bacteria effectively. But the potency of LPS also comes at a cost. Too much of it overstimulates immune cells, which can induce a dangerous inflammatory response, such as septic shock. The role that LPS plays in this protection-pathology orchestration is not just fascinating, but crucial to therapeutic design and drug safety.

LPS-Induced Mechanism of Action (TLR4-Related).2,3 Fig.2 LPS-Induced TLR4-Mediated Signaling Pathways. ^2,3

LPS Analysis Service

Our LPS analysis service is meticulously designed to address the diverse needs of researchers and industries. From vaccine development to drug safety assessments, we provide unparalleled support through advanced methodologies and customizable solutions.

Method	Description	Applications	Advantages
SDS-PAGE	Electrophoretic technique for profiling LPS structural components.	Identifying molecular size, and glycan profiling.	Fast, cost-effective, and reliable.
Mass Spectrometry	Precision analysis of LPS molecular composition, focusing on lipid A and polysaccharides.	Vaccine adjuvant research, drug development.	High sensitivity, detailed molecular characterization.
ELISA	Quantitative detection of LPS in biological and environmental samples.	Endotoxin monitoring in manufacturing.	High specificity, reproducible, and user-friendly.
LAL Assay	Widely accepted method for endotoxin detection using Limulus Amebocyte Lysate.	Regulatory safety testing for pharmaceuticals.	Highly sensitive, gold-standard method.
Recombinant Factor C Assay	Animal-free alternative to the LAL assay, ensuring ethical compliance.	Pharmaceutical quality control.	High specificity, ethical, and robust performance.
Biosensor Technology	Advanced method for real-time monitoring of LPS interactions.	High-throughput screening, immunological research.	Scalable, precise, and innovative.

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Service Features

Comprehensive Molecular Profiling

Creative Biolabs provides in-depth molecular characterization of LPS, covering purity, structural insights, mechanistic understanding, and molecular species analysis. This enables researchers to link LPS structures to their biological activities, advancing studies in immunology and pharmaceutical development.

Integrated Immunological Insights

Our services combine LPS analysis with immunological assays like the Monocyte Activation Test, offering a complete view of endotoxin activity and its role in immune modulation and therapeutic innovation.

Customizable and Flexible Solutions

We adapt workflows, detection methods, and analysis strategies to meet diverse client needs. From biopharmaceuticals to industrial samples, our customizable services deliver reliable and precise outcomes tailored to specific research goals.

Real-Time Data and Diverse Sample Coverage

With real-time data tracking and the capability to analyze a wide range of LPS sources—including biological fluids, vaccines, and industrial products—our service ensures accuracy, transparency, and actionable insights for every project.

Applications

Biopharmaceutical Safety

LPS contamination in biologics can trigger adverse immune reactions. Our Endotoxin Detection Service ensures products meet safety standards, protecting patients and maintaining regulatory compliance.

Vaccine Development

LPS characterization supports the development of effective vaccines by aiding in antigen validation and adjuvant optimization. Our methods, including the Recombinant Factor C Assay, provide ethical and precise analysis.

Environmental and Industrial Monitoring

Advanced techniques like the Membrane Adsorption Assay are instrumental in detecting bacterial endotoxins in industrial processes and environmental samples.

Immunotherapy Research

Our service supports studies into LPS's immunomodulatory effects, paving the way for innovative therapies targeting inflammatory and autoimmune diseases.

With a team of professional and well-equipped experts, Creative Biolabs is dedicated to working with researchers around the world to meet customer requirements and ensure the quality of our LPS analysis service. For more detailed information, please feel free to contact us or directly send us an inquiry.

Service Workflow and Technical Stages

Our workflow is engineered to transform complex biological samples into actionable regulatory data.

A simple procedure for LPS analysis service. (Creative Biolabs Original)

Why Choose Creative Biolabs?

Creative Biolabs stands at the forefront of endotoxin research by integrating the latest findings in innate immunology into our service offerings. While many providers rely solely on the LAL test, we recognize that this assay can fail in the presence of antimicrobial proteins. Our use of published data methodologies, such as heparin-dilution and rFC (recombinant factor C) assays, ensures that we provide the most accurate and animal-free testing options available. Our expertise in the TLR4 signaling pathway and cytosolic LPS recognition allows us to offer insights that are vital for both safety testing and the development of next-generation immunotherapies.

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FAQs

Why is your LC-MS/MS assay superior to traditional LAL for quantification?

The LAL test measures biological activity, which can be inhibited or enhanced by sample buffers. Our LC-MS/MS assay measures the actual mass of LPS, providing an absolute concentration that is unaffected by the biological state of the endotoxin.

How does Creative Biolabs address the low endotoxin recovery (LER) phenomenon?

We utilize a combination of physical disruption and chemical neutralization (including heparin-mediated protocols) to break the bonds between LPS and surfactants, ensuring all endotoxin is detectable.

Can this service support metabolic endotoxemia research?

Yes. We provide high-sensitivity detection limits capable of measuring the subtle 2–3-fold LPS increases in plasma associated with chronic inflammatory and metabolic diseases.

Customer Review

Optimized Recovery
Using Creative Biolabs' service in our research has significantly improved our ability to detect endotoxin in high-protein serum samples. The heparin-neutralization step was the key finding that allowed us to overcome the masking effects of host peptides. – Dr. Emme* W
Structural Precision
Using Creative Biolabs' service in our research has significantly facilitated our vaccine adjuvant optimization. The ability to distinguish between penta-acylated and hexa-acylated lipid A via mass spectrometry provided the evidence we needed to justify our lead candidate selection. – Prof. Dani* R

Contact Us

Creative Biolabs provides an industry-leading LPS analysis service that transitions beyond simple detection into the realm of deep molecular insight. By combining advanced mass spectrometry with the latest immunological breakthroughs in TLR4 and inflammasome signaling, we ensure that your biopharmaceutical products are safe, compliant, and optimized for clinical success.

Contact Our Team for More Information and to Discuss Your Project

References

Mohammad, Shireen, and Christoph Thiemermann. "Role of metabolic endotoxemia in systemic inflammation and potential interventions." Frontiers in immunology 11 (2021): 594150. https://doi.org/10.3389/fimmu.2020.594150
Zamyatina, Alla, and Holger Heine. "Lipopolysaccharide recognition in the crossroads of TLR4 and caspase-4/11 mediated inflammatory pathways." Frontiers in immunology 11 (2020): 585146. https://doi.org/10.3389/fimmu.2020.585146
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