Plasmid DNA extraction differs from genomic DNA purification in one important way: product selection is driven less by sample type and more by downstream workflow requirements. In most laboratories, the key questions are whether low-endotoxin plasmid DNA is required, how much bacterial culture needs to be processed, and whether the workflow is routine manual preparation, parallel 96-well handling, or automation-oriented processing.
Magen provides a structured plasmid DNA extraction portfolio based on both silica column and magnetic bead technologies. Within this system, the standard plasmid branch supports routine cloning, PCR, restriction digestion and sequencing workflows, while the low-endotoxin branch is designed for applications requiring cleaner plasmid preparation, including transfection-oriented workflows and, in the upgraded EF maxi route, more demanding downstream applications. The portfolio also extends across mini, midi, maxi, mega and 96-well formats, allowing laboratories to scale from routine plasmid screening to larger-batch preparation without changing to an unrelated chemistry system.
Within the current Magen plasmid system, HiPure Plasmid Mini Kit (P1001) serves as the standard column reference model for routine plasmid preparation, while HiPure Plasmid EF Maxi Kit B (P1156B) serves as the primary low-endotoxin column reference product for larger and more demanding EF workflows. Other products in the series extend this system toward larger scale, 96-well throughput, magnetic handling or earlier EF workflow configurations.
For routine cloning, PCR, restriction digestion and standard sequencing, standard plasmid systems are usually sufficient.
For transfection-oriented or higher-purity workflows, low-endotoxin plasmid systems are more appropriate.
Mini: routine small-volume preparation
Midi/ Maxi / Mega: larger culture input and higher total plasmid output
96-well: parallel screening and batch preparation
Magnetic bead: automation-oriented workflows
Low-copy plasmids usually require higher culture input to achieve useful total yield. High-copy plasmids often reach useful yield at lower input, but smaller columns may reach binding capacity earlier.
For routine standard plasmid preparation, start from P1001 or P1002.
For routine preparation with faster clarification and larger culture input, move to P1013 or P1014.
For low-copy plasmids in small-scale low-endotoxin workflows, referto P1154.
For medium- to low-copy plasmids in large-scale low-endotoxin preparation, P1156B is the main reference product.
For higher-copy plasmids in mid-scale low-endotoxin preparation, requiring concentrated output, refer to P1231.
For very high-output low-endotoxin preparation from high-copy plasmids, refer to P1116.
Plasmid copy number is determined mainly by vector backbone rather than host strain alone. In practical workflow selection, higher-copy plasmids usually reach useful yield at lower culture input, while lower-copy plasmids often require larger culture volume to achieve the same output.
| Product | Technology | Purity Grade |
Recommended Culture Input* |
Key Strategy | Best For |
|
HiPure Plasmid Mini Kit (P1001) ⭐ |
Spin Column | Standard | 1–5 mL | Routine alkaline lysis and silica column purification for standard manual plasmid preparation from small culture volumes | Routine cloning plasmids and other standard plasmid vectors for cloning, PCR, restriction digestion and sequencing. |
|
HiPure Plasmid Mini Kit II (P1002) |
Spin Column | Standard | 5–15 mL | Larger-input mini-prep workflow built on the same standard column chemistry used in routine plasmid purification | Standard plasmid vectors when more culture input is needed within a routine mini-prep workflow. |
|
HiPure Plasmid Plus 96 Kit (P1006) |
96-well Column Plate | Standard |
1.5 mL
per well
|
96-well column plate workflow for parallel plasmid purification in batch screening and multi-sample handling | Standard plasmid vectors in high-throughput screening and multi-sample preparation workflows. |
|
HiPure FastFilter Plasmid Midi Kit (P1013) |
Spin Column + FastFilter | Standard | 30–50 mL | Mid-scale column purification with rapid filter-assisted removal of lysate debris before DNA binding | Mid-scale standard plasmid preparation when faster clarification and more efficient manual handling are preferred. |
|
HiPure FastFilter Plasmid Maxi Kit (P1014) |
Spin Column + FastFilter | Standard | 200 mL | Large-scale column purification with rapid filter-assisted removal of lysate debris before DNA binding | Large-scale standard plasmid preparation when faster clarification and higher culture input handling are required. |
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HiPure Plasmid EF Mini Kit (P1154) |
Spin Column | Low Endotoxin | 5–15 mL | High-salt selective low-endotoxin mini-prep workflow with a defined column loading boundary and reduced RNA interference | Medium- to low-copy plasmids, small-scale low-endotoxin preparation, and workflows requiring more accurate OD-based plasmid quantification with reduced RNA interference. |
|
HiPure Plasmid EF Midi Kit (P1231) |
Spin Column | Low Endotoxin | 25–50 mL | Selective precipitation combined with a compact column-with-extender format for mid-scale preparation and concentrated plasmid recovery | Higher-copy plasmids requiring mid-scale low-endotoxin preparation with small elution volume and high plasmid concentration. |
|
HiPure Plasmid EF Maxi Kit B (P1156B) ⭐ |
Spin Column | Low Endotoxin | 100–200 mL | Upgraded low-endotoxin maxi workflow with improved endotoxin removal and RNA control for more demanding downstream applications | Broad plasmid vector compatibility, particularly for medium- to low-copy plasmids, in transfection, injection and advanced in vitro workflows. |
|
HiPure Plasmid EF Maxi Kit (P1156) |
Spin Column | Low Endotoxin | 100–200 mL | Earlier alcohol-mediated low-endotoxin maxi workflow in a conventional large-format column format | Broad plasmid vector compatibility, particularly for medium- to low-copy plasmids, in routine low-endotoxin preparation using the earlier EF maxi workflow |
|
HiPure Plasmid EF Mega Kit (P1116) |
Spin Column | Low Endotoxin | ~500 mL | Ultra-high-binding plasmid enrichment combined with large-format column purification for very high-yield preparation from high-copy plasmids | High-copy plasmids requiring very high total output; not recommended for medium- to low-copy plasmids, larger constructs above 10 kb, or lentiviral vectors |
|
HiPure Plasmid EF 96 Kit (P1157) |
96-well Column Plate | Low Endotoxin |
1.3–1.5 mL
per well
|
96-well low-endotoxin plate workflow for parallel plasmid preparation in screening and batch processing formats | Medium- to low-copy plasmids in high-throughput low-endotoxin screening and batch preparation workflows, especially when cleaner parallel preparation is preferred. |
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MagPure Plasmid Mini Kit (P1811) |
Magnetic Beads | Standard | 1-3 mL | Magnetic bead-based high-throughput plasmid purification for batch handling, deep-well processing and automation-oriented workflows, with PW1 washing used to control RNA carryover when needed | Automated or batch plasmid preparation for both high-copy and low-copy plasmids, especially in high-throughput workflows where magnetic handling is preferred |
|
MagPure Plasmid EF Mini Kit (P1814) |
Magnetic Beads | Low Endotoxin | 1-3 mL | High-salt–mediated magnetic bead-based low-endotoxin plasmid purification with reduced RNA interference in automation-compatible workflows | Medium- to low-copy plasmids in automated low-endotoxin preparation and batch or plate-based workflows, especially when reduced RNA interference is important |
For detailed product specifications and workflow descriptions, please refer to individual product pages.
*Note: Recommended culture input should be interpreted together with medium composition, culture density and plasmid copy number, rather than culture volume alone. Richer media such as 2×YT, YT or TB can produce higher biomass than LB, which may increase the actual plasmid load applied to the purification system. In practice, culture input is better judged together with OD600 and expected plasmid yield per mL culture, especially in larger-scale or low-endotoxin workflows.
