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Accelerate your research with custom siRNA consistently manufactured to your exact specifications. From functional genomics screening to therapeutic development, we deliver high-quality synthetic small interfering RNAs with industry-leading knockdown efficiency and minimal off-target effects.
Trusted by leading research and pharmaceutical institutions
21-23 bp duplex, any sequence
Mass spec and HPLC verification
Multiple scales and modifications
Our platform combines advanced siRNA design algorithms with cutting-edge chemical synthesis technologies to deliver highly specific gene silencing reagents.
Tailored synthesis of siRNA sequences targeting specific genes of interest. Our proprietary design algorithms ensure optimal knockdown efficiency with minimal off-target effects across human, mouse, rat, and custom species.
Every siRNA undergoes rigorous quality control including mass spectrometry verification and HPLC purity analysis. Guaranteed ≥75% knockdown at mRNA level ensures reliable experimental results.
Advanced algorithms minimize off-target effects through seed region analysis and thermodynamic optimization.
Mass spectrometry, HPLC, and CE analysis ensure sequence accuracy and purity.
From research-scale to GMP manufacturing, multiple scales and purification levels available.
Get a customized quote for your RNAi project.
Industry-leading design algorithms and synthesis platforms ensuring high-quality output for every project.
Proprietary algorithms incorporating seed region filters and thermodynamic analysis for optimal siRNA selection with minimal off-target effects.
Every siRNA undergoes ESI mass spectrometry and HPLC analysis to ensure sequence accuracy and purity levels meet specifications.
Comprehensive modification options including 2'-O-Me, 2'-F, phosphorothioate, LNA, and delivery conjugates for enhanced stability and efficacy.
Comprehensive specifications to meet your research requirements.
| Parameter | Standard siRNA | Modified siRNA | SMARTpool |
|---|---|---|---|
| Length | 21-23 bp duplex | 21-23 bp duplex | 4 siRNAs per pool |
| Purity | ≥85% (HPLC) | ≥85% (HPLC) | ≥85% (each) |
| Scale Range | 0.05-10 μmol | 0.1-5 μmol | 0.05-2 μmol |
| Modifications | Standard | 100+ options | Customizable |
| Purification | DSL, HPLC, PAGE | HPLC, PAGE | DSL, HPLC |
| Knockdown Guarantee | ≥75% (mRNA) | ≥75% (mRNA) | ≥75% (pool) |
Our proven 5-step workflow ensures quality and efficiency at every stage.
Discuss project requirements and design strategy
Algorithm optimization and modification selection
Automated synthesis with real-time monitoring
Mass spec, HPLC, and purity verification
Lyophilized product with comprehensive report
Our synthesis services support research and development in multiple fields.
High-throughput siRNA screening for systematic gene function analysis. Our SMARTpool technology and validated design algorithms ensure reliable, reproducible results across genome-wide or targeted screens.
From early research to clinical development, our comprehensive siRNA synthesis supports the growing field of RNA therapeutics. Advanced chemical modifications enhance stability, delivery, and therapeutic efficacy.
Rapid siRNA synthesis for target validation and lead optimization in drug discovery pipelines. Our guaranteed knockdown and minimal off-target effects ensure reliable data for informed decision-making.
Trusted by researchers worldwide for quality and reliability.
"The SMARTpool technology significantly improved our screening results. Consistent knockdown efficiency and minimal off-target effects made our genome-wide screen a success."
"Excellent service and product quality. The modification options available helped optimize our siRNA for in vivo delivery applications. Customer support was very responsive."
"We've been using their siRNA services for years for our cancer research. The knockdown guarantee gives us confidence in our experimental results."
Our platform is backed by peer-reviewed research.
Xue C, Hu S, Gao ZH, et al. Nature Communications. 2021.
Development of Y-shaped DNA bricks with gold nanoparticles for targeted siRNA delivery, enabling enhanced gene silencing in cancer therapy applications.
Dammes N, Goldsmith M, Ramishetti S, et al. Nature Nanotechnology. 2021.
Development of conformation-sensitive targeting strategies for lipid nanoparticles enabling selective RNA therapeutics delivery to specific cell types.
Lee J, Sands I, Zhang W, Zhou L, Chen Y. Proceedings of the National Academy of Sciences. 2021.
Development of Janus base nanotubes enabling efficient siRNA delivery with enhanced endosomal escape and reduced cytotoxicity.
Heidari R, Khosravian P, Mirzaei SA, Elahian F. Scientific Reports. 2021.
Development of chitosan-capped mesoporous silica nanoparticles for effective siRNA delivery to overcome cancer multidrug resistance.
Zaidi SSA, Fatima F, Zaidi SAA, Zhou D, Deng W, Liu S. Journal of Nanobiotechnology. 2023.
Comprehensive review of siRNA engineering strategies including chemical modifications, delivery systems, and therapeutic applications.
Find answers to common questions about our RNAi services.
Get a customized quote for your RNA Interference (RNAi) Services project. Our experts will respond within 24 hours.
CD Biosynsis is a leading customer-focused biotechnology company dedicated to providing high-quality products, comprehensive service packages, and tailored solutions to support and facilitate the applications of synthetic biology in a wide range of areas.