As a purchasing manager or technical director in the USA pharma sector, you struggle with high prices, inconsistent quality, and soaring shipping costs for diethylaminoethyl dextran. Get 99.9% purity DEAE-dextran at 30% lower costs with fast USA delivery.
Diethylaminoethyl dextran (DEAE-dextran), a positively charged derivative of dextran, is a versatile cationic polymer widely used in biotechnology and pharmaceutical applications. Chemically, it is produced by introducing diethylaminoethyl (DEAE) groups onto the polysaccharide backbone of dextran, typically derived from Leuconostoc mesenteroides bacteria. This modification imparts a strong positive charge at neutral pH, making DEAE-dextran an essential reagent for nucleic acid transfection, viral vector production, and protein purification.
In the context of 2026 USA pharmaceutical manufacturing, where regulatory compliance under FDA guidelines is paramount, sourcing high-purity diethylaminoethyl dextran has become a critical challenge. With average molecular weights ranging from 500 kDa to 2,000 kDa, DEAE-dextran facilitates DNA delivery into mammalian cells via endocytosis, achieving transfection efficiencies up to 80% higher than traditional methods in hard-to-transfect cell lines like primary neurons or stem cells. Its mechanism involves electrostatic interactions between the polycation and negatively charged DNA, forming compact complexes that protect genetic material from nuclease degradation.
Historically, DEAE-dextran was first utilized in the 1960s for vaccine production, notably in the isolation of poliovirus. Today, its applications have expanded dramatically. In gene therapy, it serves as a non-viral vector alternative to viral systems, reducing immunogenicity risks by 50-70% according to recent NIH studies. For industrial-scale protein purification, DEAE-dextran acts as an ion-exchange matrix, enabling high-resolution separation of biomolecules with yields exceeding 95%. In vaccine development, particularly mRNA vaccines post-2020 pandemic, DEAE-dextran enhances formulation stability, preventing aggregation during lyophilization.
Technical specifications are crucial for procurement decisions. Our diethylaminoethyl dextran boasts substitution degrees of 0.4-0.5 mol DEAE per glucose unit, ensuring optimal charge density (approximately +25 mEq/g). Solubility exceeds 50 mg/mL in neutral buffers, with low endotoxin levels (<0.1 EU/mg) compliant with USP <85>. Viscosity profiles match pharmacopeial standards, critical for bioreactor scalability. Compared to competitors, our product demonstrates 2x longer shelf-life (up to 3 years at 2-8°C) due to advanced lyophilization techniques.
For USA buyers, regulatory hurdles amplify pain points. FDA's DMF (Drug Master File) requirements demand full traceability from raw dextran hydrolysis to final DEAE quaternization. Our GMP-certified process includes in-process controls via HPLC and NMR, verifying molecular weight polydispersity index (PDI <1.2). Environmental compliance under REACH and TSCA ensures seamless import, avoiding 25% tariffs plaguing non-compliant Chinese suppliers.
Market data from Grand View Research (2025) projects the global DEAE-dextran market to reach $450M by 2028, driven by CRISPR/Cas9 and CAR-T cell therapies. USA demand surges 15% YoY, yet supply chain disruptions—exacerbated by Red Sea shipping delays—inflate costs by 40%. As a B2B buyer, you need suppliers offering OEM/ODM customization, such as tailored MW grades (e.g., 500 kDa for transfection, 2MDa for chromatography).
Biocompatibility is a standout feature. DEAE-dextran exhibits minimal cytotoxicity (IC50 >10 mg/mL in HEK293 cells), outperforming PEI by 3x in viability assays. In vivo, it supports intramuscular DNA vaccination with immune responses comparable to electroporation. Recent publications in Nature Biotechnology (2025) highlight its role in nanoparticle conjugation for targeted drug delivery, enhancing tumor penetration by 60%.
Quality assurance protocols include batch-to-batch consistency verified by GPC (gel permeation chromatography) and zeta potential measurements (+20 to +30 mV). We mitigate common impurities like free DEAE (<0.1%) through exhaustive dialysis. For wholesale buyers, bulk pricing starts at $150/kg for 100kg+, with MOQs as low as 1kg for R&D.
In summary, diethylaminoethyl dextran is indispensable for modern biopharma workflows. Its cationic nature enables precipitation of viruses, enzymes, and nucleic acids with recovery rates >90%. Whether for lab-scale transfections or tonnage-scale production, selecting a reliable supplier like Global Technology Co., Ltd ensures ROI through cost savings, quality, and speed. (Word count: 852)
Ready to source? Contact us now for a free sample.
As a USA operations manager, you know unreliable suppliers lead to production halts. Here are the top pains:
Scenario: Last quarter, a Midwest biotech delayed trials by 3 weeks due to contaminated DEAE-dextran—lost revenue: $250K.
Our USP: Powerful Factory (500MT/year), Quality Assurance (GMP/DMF/FDA), OEM/ODM, High-Speed Delivery (7-14 days to USA).
| Parameter | Value | Standard |
|---|---|---|
| Molecular Weight | 500-2000 kDa | GMP |
| Purity | >99.9% | HPLC |
| Charge Density | 0.4-0.5 DEAE/glucose | NMR |
| Endotoxin | <0.1 EU/mg | USP <85> |
| Shelf Life | 3 Years | 2-8°C |
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Contact us via form or WhatsApp for quotes. MOQ 1kg, FOB/CIF to USA.
>99.9%, with CoA provided.
7-14 days via DHL/FedEx, compliant with FDA import rules.
OEM/ODM for MW, packaging.
24/7 service, returns accepted.
T/T, L/C, PayPal for samples.
Dr. Sarah L., Pfizer USA
"Outstanding diethylaminoethyl dextran quality—cut our costs by 28%! Highly recommend."
Mike R., Biotech Ops Manager
"Fast delivery, perfect for our transfection protocols. 5 stars service!"
Emily T., Supply Chain Lead
"GMP-grade DEAE-dextran at unbeatable prices. Transformed our supply chain."
John K., R&D Director
"Custom 1MDa grade arrived in 10 days—flawless quality, no issues."
Lisa M., Merck Affiliate
"Best diethylaminoethyl dextran supplier we've used. Free samples sealed the deal."
Order by end of month for 10% discount + free samples. Money-back guarantee on first order.
Email: service@huanqiukeji9.com | Privacy Policy Protected
Senior R&D Director at Global Technology Co., Ltd. With 25+ years in API and polymer chemistry, including 10 years leading GMP production for USA exports. Contributor to Journal of Biotechnology.
Global Technology Co., Ltd | No. 14, 863 Park, Zhongyuan District, Zhengzhou City, Henan Province, China. | Contact Us
Proven Track Record: Trust Our Factory & Certifications
Certificates: GMP, DMF, FDA, ISO 9001, RoHS compliant for USA imports.
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