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PurProX® AAVEasy Spin Column - AAV Purification Kit
This AAV purification kit enables affinity-based purification of recombinant AAV vectors in under 30 minutes using a standard benchtop centrifuge. It is designed for small-scale AAV purification without ultracentrifugation or an ÄKTA/FPLC chromatography system.
Two affinity configurations provide serotype-matched capture. U1 supports AAV2, AAV5, AAV6, AAV8, AAV-DJ and AAV-7m8, while U2 is optimized for AAV9 and AAV-PHP variants. The purification format uses pre-filled affinity resin in a centrifuge-compatible tube for fast capture, wash and elution.
- Rapid AAV Purification: Complete the purification workflow in less than 30 minutes for fast vector screening and research-scale production.
- Without Ultracentrifugation or FPLC: Requires only a standard benchtop centrifuge, reducing dependence on specialized purification equipment.
- Broad Serotype Coverage: U1 covers AAV2/5/6/8/DJ/7m8; U2 is optimized for AAV9 and AAV-PHP variants.
- High Recovery and Purity: Internal validation demonstrates >85% purity and up to 80% recovery.
COA
PurProX® AAVEasy Order Information
| Product Type | Catalog No. | Product Name | Size | Price (USD) |
|---|---|---|---|---|
| Spin Column | GMV-PurProX-AAVEasy-U-1-10T | PurProX® AAVEasy rapid-to-purify Spin Column-1 | 10 T | |
| Spin Column | GMV-PurProX-AAVEasy-U-2-10T | PurProX® AAVEasy rapid-to-purify Spin Column-2 | 10 T |
PurProX® AAVEasy AAV Purification Kit Components
| Component Name | Quantity | Description |
|---|---|---|
| Resin Tubes | 10 | Pre-filled with universal AAV-binding resin for efficient virus capture. |
| Lower Plugs | 10 | Used to seal the bottom of the purification column during storage or handling. |
| Sample Collection Tubes (12 mL) | 10 | Sterile tubes for collecting purified AAV samples; maximum capacity 12 mL. |
| 1000× GMXbuffer01 | 5 mL | Concentrated buffer additive; dilute 1:1000 before use in the purification workflow. |
PurProX® AAVEasy AAV Purification Kit Applications
- Industrial Evaluation & Scalability Studies: Packed with PurProX® AAVPure Affinity Resin, these spin columns are ideal for industrial clients to conduct small-scale feasibility and process evaluations before scaling up to bulk resin volumes.
- High-Throughput Mutant Screening & Small-Volume Purification: Enables parallel processing of numerous AAV variants, perfectly meeting the demands of small-scale purification in library screening.
- Novel Capsid Development & Directed Evolution: Tailored for the purification and evaluation of engineered AAV capsids, accelerating the discovery of next-generation vectors.
- Rapid Screening of AAV Constructs: Accelerates the optimization and validation of transgenes, promoters, and regulatory elements.
- Small-Dose Application Production (e.g., Ophthalmology): Ideal for manufacturing high-concentration, small-volume AAV vectors dedicated to localized, low-dose therapies such as ophthalmic or neurological gene interventions without wasting materials.
- In Vivo Gene Therapy Studies: Provides high-purity, low-endotoxin AAV vectors suitable for direct animal injections and preclinical efficacy evaluation.
- Universal AAV Purification & Serotype Coverage: Suitable for the efficient purification, concentration, and desalting of major AAV serotypes to ensure consistent downstream results.
- Preclinical AAV Vector Production: Facilitates small-to-medium scale preparation of AAV vectors for proof-of-concept and early-stage preclinical studies.
- Academic & Biotech R&D Workflows: A versatile tool that seamlessly integrates into routine laboratory workflows for rapid AAV sample processing.
PurProX® AAVEasy vs Ultracentrifugation and FPLC
Traditional AAV purification relies on time-consuming ultracentrifugation (4–16 hours) with low recovery (30–50%) and inconsistent purity. In contrast, AAVEasy delivers >85% purity and up to 80% recovery in under 30 minutes, using only a standard benchtop centrifuge.
| Feature | AAVEasy | Ultracentrifugation | AKTA Chromatography |
|---|---|---|---|
| Time | <30 min | 4–16 hrs | 2–4 hrs |
| Equipment | Benchtop centrifuge | Ultracentrifuge | FPLC system |
| Recovery | Up to 80% | 30–50% | 60–80% |
| Purity | >85% | Low | >90% |
| Scalability | Yes (to AAVPure resin) | No | Yes |
PurProX® AAVEasy Performance and Validation
PurProX® AAVEasy AAV5 Purification: 29-Minute Workflow and Up to 80% Recovery
Handling time: 29 minutes.
Recovery rate: up to 80% under the tested conditions.
PurProX® AAVEasy Purification of AAV2, AAV5, AAV6, AAV8 and Engineered Capsids
The PAGE of purified AAVs by PurProX® AAVEasy Spin Column-1 (GMV-PurProX-AAVEasy-U-1).
PurProX® AAVEasy AAV9 Purification Kit Performance
The PAGE of purified AAVs by PurProX® AAVEasy Spin Column-2 (GMV-PurProX-AAVEasy-U-2). Company T's Resin (AKTA purification) is used as the control.
PurProX® AAVEasy Repeated AAV5 Purification Across Five Regeneration Cycles
Results: Silver staining results demonstrate that the AAV5 sample purified during the 5th use still exhibits distinct and intact VP1/VP2/VP3 capsid protein bands with minimal host cell protein impurities.
Conclusion: The PurProx AAVeasy U1 spin column maintains robust purification performance even after 5 consecutive cycles of purification and regeneration.
PurProX® AAVEasy Repeated AAV9 Purification Across Five Regeneration Cycles
Results: The high purity of the eluted products and the sharp capsid protein bands indicate that the U2 spin column can stably and efficiently recover high-quality AAV9 vectors across multiple reuses.
Conclusion: The PurProx AAVeasy U2 spin column exhibits exceptional reusability. After 5 consecutive regeneration cycles, the AAV9 purification efficacy of the U2 column shows no noticeable decline.
PurProX® AAVEasy Accelerated Stability Test at 37°C
Overview: To evaluate the long-term reliability and shelf-life of PurProX® AAVEasy rapid-to-purify Spin Column, an accelerated stability test was conducted. The spin columns (U1 for AAV5 and U2 for AAV9) were incubated at 37°C for a continuous period of 4 weeks. Purification performance was evaluated at Week 1, Week 2, and Week 4.
Results:
- Robust Viral Genome Recovery: Quantitative analysis demonstrates that the binding capacity of the resin remains exceptionally stable under thermal stress. After 1, 2, and 4 weeks at 37°C, the columns maintained a consistently high recovery rate for AAV5 (ranging from ~70% to >80%). There was no significant degradation in column performance over time.
- Preserved Capsid Integrity & High Purity: SDS-PAGE analysis of the purified AAV5 and AAV9 vectors showed highly distinct VP1, VP2, and VP3 bands across all time points. The results indicate that the spin columns consistently yield high-purity rAAV particles without inducing aggregation or degradation, even after the columns were subjected to prolonged 37°C exposure.
Conclusion: GeneMedi's PurProX® AAVEasy rapid-to-purify Spin Column exhibit exceptional thermal stability. The accelerated test at 37°C for 4 weeks confirms that the resin matrix is highly robust, ensuring an extended shelf-life and consistent, reproducible AAV purification. Researchers can rely on these columns for maximum recovery and purity, even under fluctuating shipping or room-temperature storage conditions.
Elimination of Carryover / Cross-Contamination in Alternating Fluorescence Purifications Across 5 Regeneration Cycles Using PurProX® AAVEasy Spin Columns
U1 Spin Column (AAV5 alternating red/green fluorescent purification)
▸ Results: Consecutive purification runs using alternating red and green fluorescent AAV5 vectors showed complete absence of fluorescence carryover from previous runs. Fluorescence detection confirmed that each eluted fraction contained purely the target fluorescently tagged vector of the current run without cross-contamination.
U2 Spin Column (AAV9 alternating red/green fluorescent purification)
▸ Results: Similarly, sequential purification of alternating red and green fluorescent AAV9 vectors across 5 regeneration cycles demonstrated zero detectable cross-contamination or residual AAV from prior purification steps.
▸ Conclusion: The regeneration and cleaning protocol for PurProX® AAVEasy Spin Columns (both U1 and U2) thoroughly eliminates residual AAV capsids between uses, guaranteeing zero carryover and preventing cross-contamination during repeated multi-AAV purifications across 5 consecutive cycles.
PurProX® AAVEasy AAV Purification FAQ
How do the U1 and U2 AAV purification kits differ in serotype compatibility?
U1 (Universal) is suitable for common serotypes such as AAV2, AAV5, AAV6, AAV8, AAV-DJ, and AAV-7m8. U2 (Specialized) is designed for AAV9 and its variants, including the AAV-PHP series, for high-affinity binding and efficient recovery.
What precautions should I follow when purifying AAV with a centrifuge-based kit?
Perform the entire purification at room temperature. Do not fully tighten the purification tube cap or pour liquid directly out of the tube, which could cause resin loss. When instructed to stir, use a sterile 10 mL syringe and gently stir 5–10 times.
What are the specifications of this small-scale AAV purification kit?
Each kit contains materials for 10 purifications. U1 yields a maximum of 5.0 × 10¹³ capsids, while U2 yields a maximum of 4.28 × 10¹³ capsids.
Can this AAV purification kit be combined with empty-capsid removal without FPLC?
Yes. It can be used with the PurProX® AAVFull Enrichment Kit for a workflow that combines rapid AAV capture with empty-capsid removal, without FPLC/ÄKTA equipment.
Is this rapid AAV purification kit suitable for high-throughput variant screening?
Yes. It is intended for small-scale AAV variant screening, capsid engineering research, and high-throughput experiments. Dozens of samples can be processed simultaneously, and purification takes under 30 minutes, helping accelerate early-stage R&D.
Is AAV affinity purification with this kit complicated?
No. The workflow covers sample preparation, column assembly, equilibration, sample loading and binding, washing, and elution. Detailed operating instructions are provided with the kit.
How many times can the AAV purification columns be reused?
Internal validation shows that U1 and U2 columns maintained stable purification performance through five consecutive purification and regeneration cycles, with no noticeable decline in efficacy.
