Lipid Nanoparticles Development

Lipid Nanoparticle Synthesis Services at BOC Sciences

Based on long-term expertise in lipid compound synthesis, nanodelivery system design, and process optimization, BOC Sciences provides custom synthesis and development services for various types of LNPs to research institutions and biopharmaceutical companies. We can precisely design lipid composition, particle size, charge, surface modification, and functional properties according to different drug molecules or nucleic acid delivery requirements, supporting diverse applications from basic research to preclinical development.

Liposomes

• Single- or multilayer liposomes can be synthesized for simultaneous encapsulation of hydrophilic and hydrophobic drugs.
• Supports optimization of various phospholipid and cholesterol ratios for precise control of particle size and membrane stability.
• PEGylation or targeted ligand modification is available to enhance circulation time and targeting ability.
• Suitable for small molecules, proteins, vaccines, and gene delivery studies.

Solid Lipid Nanoparticles (SLNs)

• Constructed from biocompatible solid lipids to form stable nanocarrier systems.
• Ideal for encapsulating hydrophobic drugs, improving drug stability and controlled-release performance.
• Lipid matrix types can be adjusted to design different release profiles.
• Widely used in oral, topical delivery, and controlled-release research.

PEGylated Lipid Nanoparticles

• Surface modification with PEG-lipids significantly reduces plasma protein adsorption.
• Extends circulation time and enhances systemic delivery stability.
• Particle size and dispersity can be effectively controlled to reduce aggregation.
• Suitable for in vivo delivery of nucleic acids, proteins, and small molecules.

Ionizable Lipid Nanoparticles

• Positively charged under acidic conditions, efficiently encapsulating mRNA, siRNA, and other nucleic acids.
• Nearly neutral under physiological conditions, reducing nonspecific toxicity and immune responses using ionizable lipids.
• Facilitates endosomal escape, enhancing intracellular delivery efficiency.
• Widely used in mRNA vaccines, gene therapy, and RNA interference studies.

Cationic Lipid Nanoparticles

• Positively charged surfaces form stable complexes with negatively charged DNA or RNA.
• Suitable for in vitro transfection and local delivery studies.
• Lipid structures can be optimized to reduce cytotoxicity.
• Commonly used in gene transfection, vaccine development, and cell-based research.

Lipid-Polymer Nanoparticles

• Combines lipids with polymers to construct multifunctional nanocarriers.
• Offers lipid biocompatibility and polymer mechanical stability.
• Enables sustained release and multi-drug delivery functions.
• Suitable for co-delivery of anticancer drugs, nucleic acids, and proteins.

Magnetic Lipid Nanoparticles

• Integrates magnetic nanomaterials with lipid carriers.
• Supports magnetically guided targeted delivery and localized therapy.
• Applicable for integrated drug delivery and imaging studies.
• Suitable for tumor targeting, imaging labeling, and biomedical research.

mRNA/siRNA Lipid Nanoparticles

• Highly efficient LNP systems specifically designed for nucleic acid delivery.
• Composed of ionizable lipids, helper lipids, cholesterol, and PEG-lipids.
• Offers high encapsulation efficiency, stability, and excellent cellular uptake.
• Widely applied in mRNA vaccines, siRNA therapies, and gene editing studies.

Advanced Lipid Nanoparticle Development to Accelerate Your Research

The performance of lipid-based nanoparticles highly depends on precise control of lipid composition, preparation process, and structural parameters. Different drug molecules or nucleic acids (such as small molecules, mRNA, siRNA, or proteins) vary significantly in physicochemical properties, stability, and in vivo delivery requirements, placing higher demands on LNP formulation and process development. Our LNP development services cover the complete workflow from preliminary formulation design, nanoparticle preparation, and process optimization to physicochemical characterization, functional validation, and industrial-scale amplification, providing highly customized solutions tailored to project stages and application goals.

Lipid Formulation Design

• Select appropriate ionizable lipids, helper lipids, cholesterol, and PEG-lipid ratios based on drug or nucleic acid characteristics.
• Optimize lipid combinations to ensure high encapsulation efficiency, stability, and cellular delivery.
• Provide custom lipid libraries, including special functional lipids (e.g., targeted, biodegradable, pH-sensitive lipids).

LNP Preparation and Process Optimization

• Microfluidic preparation: high controllability and uniformity, suitable for laboratory and pilot-scale production.
• Solvent injection: rapid formation, ideal for small-scale R&D.
• High-pressure homogenization and ultrasonication: adjustable particle size and distribution for various drug properties.
• Process parameter optimization: control particle size, surface charge, encapsulation efficiency, and stability.

LNP Performance Characterization

• Particle size and polydispersity: measured by dynamic light scattering (DLS) and transmission electron microscopy (TEM).
• Surface charge (Zeta Potential): assesses stability and biocompatibility.
• Encapsulation efficiency and drug loading: evaluates nucleic acid or drug incorporation levels.
• Stability analysis: examines performance under cold chain storage, lyophilization, or in vivo conditions.

LNP Functional Validation

• Cellular uptake assays: assess LNP delivery efficiency in vitro.
• Endosomal escape evaluation: ensures active substance release into the cytoplasm.
• Targeting capability tests: surface ligands can be selected to evaluate specific delivery.
• Custom targeted LNPs or functionalized carriers can be developed upon request.

Lipid Nanoparticle Manufacturing and Production Services

BOC Sciences provides LNP manufacturing and production services spanning from laboratory-scale, pilot-scale, to large-scale production, facilitating the efficient translation of research outcomes into preclinical and industrial stages. We systematically optimize lipid materials, formulation ratios, preparation processes, and production parameters according to specific application requirements, ensuring that each batch of lipid nanoparticles meets R&D and production standards for particle size distribution, encapsulation efficiency, stability, and batch consistency.

• Multi-Stage Scalable Production Capability: Supports production from milligram, gram, to kilogram scales, enabling smooth transition from laboratory research to pilot-scale and commercial manufacturing.
• Flexible and Expandable Production Model: Production scale can be adjusted according to project stage and timeline, reducing risks associated with scale-up and technology transfer.
• Mature and Controllable Manufacturing Platform: Employs multiple preparation methods, including microfluidic continuous production, high-pressure homogenization, ultrasonication, and solvent injection, ensuring uniform particle size, high batch consistency, and efficient encapsulation.
• cGMP-Compatible Production and Quality System: Production processes comply with cGMP requirements, with strict control of raw material sources, process parameters, and manufacturing environment, supporting regulatory-compliant manufacturing for preclinical and clinical stages.
• Comprehensive Quality Control and Batch Consistency Assurance: Provide testing of critical quality attributes, including particle size, polydispersity index (PDI), zeta potential, encapsulation efficiency, drug loading, and stability (long-term, screening, and freeze–thaw).
• Customized Production and Process Scale-Up Support: Production processes and quality standards can be tailored for specific applications, supporting the scalable preparation of specialized lipid systems, targeted modifications, and functionalized LNPs.

Advantages of Our Lipid Nanoparticle Services

• Extensive Expertise in Lipid Chemistry and Nanodelivery Technologies: Our team has long focused on lipid compound synthesis and the development of nanodelivery systems, possessing extensive experience in LNP formulation design, structural optimization, and delivery mechanism research.
• Capability to Develop Multiple Types of Lipid Nanoparticles: We can systematically develop liposomes, ionizable LNPs, PEGylated LNPs, mRNA/siRNA LNPs, and other systems to meet diverse drug and nucleic acid delivery requirements.
• Advanced and Controllable Preparation and Scale-Up Platforms: Equipped with microfluidic, high-pressure homogenization, ultrasonication, and continuous production equipment, we achieve precise particle size control and high batch consistency in LNP preparation and scalable production.
• cGMP-Compatible Production Facilities and Quality Systems: Our production environment and processes comply with GMP requirements, supporting regulatory-compliant manufacturing and technology transfer for preclinical and clinical-stage projects.
• Comprehensive and Systematic Quality Characterization and Validation: We provide complete characterization, including particle size, PDI, zeta potential, encapsulation efficiency, stability, and functional validation, ensuring product quality and reliable data.
• Highly Customized Technical Solutions: We flexibly adjust lipid composition, process parameters, and quality standards according to client project goals and application scenarios, offering targeted development and production support.
• Professional and Efficient Customer Support and Project Management: With a project-based management model, we provide end-to-end communication from technical consultation and solution design to delivery support, ensuring efficient project progression.

How Our Lipid Nanoparticle Services Streamline LNP Development?

From early-stage requirements communication and technical assessment to formulation design, preparation optimization, system characterization, functional validation, and scalable production support, we center our approach around client project goals. Through rigorous process management and continuous technical support, we help clients reduce R&D risks, improve development efficiency, and accelerate the translation of LNP delivery systems from research to application.

Requirements Communication and Project Assessment

During project initiation, BOC Sciences' technical team engages in detailed discussions with clients to fully understand the type of cargo (e.g., mRNA, siRNA, small molecules, or proteins), target indication, administration route, and project stage. Based on this information, we systematically evaluate technical feasibility, potential risks, and key challenges in LNP development.

Formulation Design and Technical Plan Development

We scientifically select ionizable lipids, helper lipids, cholesterol, and PEG-lipids according to the physicochemical properties and delivery requirements of the cargo. Simultaneously, a comprehensive technical plan is developed, including preparation workflow, critical process parameters, quality control metrics, and milestone objectives, ensuring the LNP system meets expectations for stability and delivery efficiency.

Lipid Nanoparticle Preparation and Process Optimization

Upon plan approval, LNPs are prepared using suitable methods such as microfluidics, solvent injection, high-pressure homogenization, or ultrasonication. Key parameters such as flow rate, concentration, and temperature are systematically optimized to precisely control particle size distribution, surface charge, and encapsulation efficiency, achieving stable and reproducible LNP production.

Physicochemical Characterization and Quality Assessment

Prepared LNPs undergo comprehensive characterization, including particle size, polydispersity index (PDI), zeta potential, encapsulation efficiency, drug loading, and storage stability. Systematic data analysis evaluates whether products meet design specifications.

Functional Validation and Performance Confirmation

Functional assays are conducted as needed, including in vitro cellular uptake, delivery efficiency evaluation, endosomal escape assessment, and targeted delivery verification. Functional validation confirms the LNPs' performance and biological activity in real-world application scenarios.

Scale-Up Production and Delivery Support

After small- or pilot-scale validation, BOC Sciences provides process scale-up and large-scale production support. Complete technical documentation, batch data, and quality reports are provided, with ongoing technical support post-delivery to ensure smooth project progression toward preclinical or industrial stages.

Key Applications of Lipid Nanoparticles in Modern Therapeutics

LNPs have become a key technology platform in modern drug delivery and biomedical research due to their excellent biocompatibility, tunable structure, and efficient delivery capabilities. By precisely designing lipid composition and nanostructure, LNPs can be adapted to different types of active substances and therapeutic strategies, demonstrating broad and mature application potential across multiple cutting-edge areas.

Nucleic Acid Drug Delivery

LNPs can efficiently encapsulate mRNA, siRNA, miRNA, and other nucleic acid drugs, protecting them from degradation in vivo while enhancing cellular uptake and intracellular release. This makes LNPs an essential tool in gene regulation, RNA interference, and mRNA vaccine research, supporting smooth progress in gene therapy and nucleic acid drug development projects.

Vaccine Development

LNPs serve as efficient delivery systems for antigen or nucleic acid vaccines, enhancing antigen expression and immune response to improve vaccine efficacy and stability. Their controllable particle size and surface modification capabilities make them valuable for infectious disease vaccines, cancer vaccines, and personalized vaccine development, accommodating diverse administration routes and immunization strategies.

Small Molecule Drug Delivery

Encapsulation of hydrophobic or unstable small molecules in LNPs significantly improves solubility, bioavailability, and in vivo stability. LNPs also optimize drug distribution and release characteristics, reducing off-target toxicity and providing effective delivery solutions for anticancer, anti-infective, and chronic disease therapies.

Protein and Peptide Drug Delivery

LNPs protect proteins and peptides from enzymatic or in vivo degradation, extending half-life and enhancing target tissue exposure. Optimizing lipid composition and particle size enables efficient delivery, widely applied in enzyme replacement therapy, functional protein delivery, and vaccine-related protein antigen delivery studies.

Gene Therapy and Gene Editing

LNPs efficiently deliver DNA, mRNA, or CRISPR/Cas systems for in vivo gene expression regulation and precise genome modification. In genetic diseases, cancer therapy, and functional gene research, LNP delivery systems improve gene editing efficiency and safety, advancing the development of gene therapy technologies.

Targeted Delivery and Precision Medicine

Through surface modification with PEG, ligands, or antibodies, LNPs achieve targeted delivery to specific tissues or cells, enhancing therapeutic efficacy while minimizing off-target toxicity. This capability makes LNPs highly valuable in precision medicine areas such as cancer treatment, liver diseases, and neurological disorders, providing effective carriers for personalized therapeutic strategies.

Frequently Asked Questions

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• What are lipid nanoparticles?

  Lipid nanoparticles (LNPs) are tiny, biocompatible particles composed of lipids that can encapsulate therapeutic agents like drugs, RNA, or DNA. They protect these molecules from degradation, enhance their stability, and improve delivery to target cells or tissues. LNPs are widely used in drug delivery, gene therapy, and vaccines due to their ability to efficiently transport active compounds and control release profiles.

• What is solid lipid nanoparticles?

  Solid lipid nanoparticles (SLNs) are a type of lipid nanoparticle made from solid lipids at room and body temperature. They combine the advantages of polymeric nanoparticles and liposomes, offering controlled drug release, high stability, and biocompatibility. SLNs are particularly effective for delivering poorly water-soluble drugs, enhancing bioavailability, and reducing side effects, making them valuable in pharmaceuticals, cosmetics, and nutraceuticals.

• How are lipid nanoparticles made?

  Lipid nanoparticles are typically prepared using techniques such as high-pressure homogenization, microemulsion, solvent evaporation, or thin-film hydration. Lipids are first melted or dissolved, then mixed with the active compound and an aqueous phase containing stabilizers. Mechanical energy or sonication reduces particle size, forming uniform nanoparticles. The process is carefully controlled to achieve optimal encapsulation efficiency, particle stability, and size distribution for specific applications.

• How do lipid nanoparticles work?

  Lipid nanoparticles work by encapsulating therapeutic molecules within a lipid matrix, protecting them from degradation and enhancing cellular uptake. They can fuse with cell membranes or be endocytosed, releasing their cargo directly into the cytoplasm. By controlling particle size, surface charge, and lipid composition, LNPs can improve bioavailability, target specific tissues, and provide sustained or controlled release of drugs, nucleic acids, or other active agents.

• What types of lipid nanoparticles can you develop?

  BOC Sciences provides custom synthesis and development of various LNPs, including conventional liposomes, solid lipid nanoparticles, PEGylated LNPs, ionizable LNPs, cationic LNPs, lipid-polymer hybrid nanoparticles, magnetic LNPs, and mRNA/siRNA-loaded LNPs. Each type can be tailored for specific payloads, targeting, stability, and release profiles, meeting both research and preclinical development needs.

• Can you help with nucleic acid delivery?

  Yes. We specialize in LNPs designed for nucleic acid delivery, including mRNA, siRNA, and miRNA. Our LNP formulations protect nucleic acids from degradation, facilitate cellular uptake, and enable endosomal escape, ensuring efficient intracellular delivery. We can also customize lipid compositions and surface modifications to optimize delivery efficiency and reduce potential toxicity.

• Can you support scale-up and manufacturing?

  Absolutely. We provide multi-scale production capabilities, from milligram laboratory batches to gram or kilogram-scale production. Our facilities are cGMP-compatible, ensuring reproducible particle size, encapsulation efficiency, and batch consistency. We also offer process optimization, technical documentation, and regulatory support to facilitate smooth transition from research to preclinical and clinical production.

• How do you ensure the quality and stability of LNPs?

  BOC Sciences implements comprehensive quality control measures including particle size, polydispersity index (PDI), zeta potential, encapsulation efficiency, and stability testing under different conditions. Functional assays may also be performed to confirm cellular uptake and payload delivery. Each batch is rigorously evaluated to ensure reproducibility, performance, and reliability.

Case Studies and Success Stories

Publications

Through publications, we showcase how our lipid products support scientific research, innovative drug development, and cutting-edge technologies.

• Hopanoids, like sterols, modulate dynamics, compaction, phase segregation and permeability of membranes. Biochimica et Biophysica Acta (BBA)-Biomembranes (2019): 183060. DOI: 10.1016/j.bbamem.2019.183060.
• Osteogenic effects of rapamycin on bone marrow mesenchymal stem cells via inducing autophagy. Journal of Orthopaedic Surgery and Research 18.1 (2023): 129. PMID: 36814286 DOI: 10.1186/s13018-023-03616-9.
• Effect of long-term dietary sphingomyelin supplementation on atherosclerosis in mice. PloS one 12.12 (2017): e0189523. PMID: 29240800 DOI: 10.1371/journal.pone.0189523.
• Liquid chromatography–tandem mass spectrometry method for the analysis of N-(3-aminopropyl)-N-dodecylpropane-1, 3-diamine, a biocidal disinfectant, in dairy products. Food chemistry 262 (2018): 168-177. DOI: 10.1016/j.foodchem.2018.04.080.
• The long-chain monounsaturated cetoleic acid improves the efficiency of the n-3 fatty acid metabolic pathway in Atlantic salmon and human HepG2 cells. Br J Nutr. 2019; 122(7): 755-768. DOI: 10.1017/S0007114519001478.

Client Testimonials

Industry Distribution of Custom Lipid Synthesis Clients

"BOC Sciences provided excellent support in developing mRNA-loaded lipid nanoparticles for preclinical studies. Their team optimized the formulation efficiently and delivered highly reproducible batches. Communication and technical expertise were outstanding."

— Dr. Michael Thompson, Senior Research Scientist (USA)

"We collaborated with BOC Sciences to synthesize PEGylated lipid nanoparticles for nucleic acid delivery. The quality, stability, and batch consistency exceeded our expectations. Their timely updates and problem-solving approach were impressive."

— Prof. Emma Johnson, Molecular Biologist (UK)

"BOC Sciences successfully developed cationic lipid nanoparticles tailored for our siRNA project. They provided clear guidance on formulation strategies and ensured high encapsulation efficiency. A highly professional and reliable team."

— Dr. Lucas Martin, Gene Therapy Researcher (Germany)

"The team at BOC Sciences helped us scale up solid lipid nanoparticles for in vivo studies. Their meticulous process optimization and quality control ensured reproducible results across multiple batches. Truly a dependable partner."

— Ms. Olivia Williams, Pharmacology Scientist (France)

"Working with BOC Sciences on ionizable lipid nanoparticles was a great experience. They offered customized formulations and detailed physicochemical characterization. Their expertise significantly accelerated our preclinical development timeline."

— Dr. Daniel Carter, Biochemistry Researcher (Switzerland)

"BOC Sciences provided end-to-end support for our tumor-targeted lipid-polymer hybrid nanoparticles. The project management, technical consultation, and timely delivery were all excellent. We could rely on them for complex LNP projects."

— Prof. Sophie Brown, Nanomedicine Scientist (Netherlands)