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QIAamp DNA Blood Maxi Kit

For purification of up to 600 µg genomic, mitochondrial, or viral DNA from blood

  • Rapid purification of high-quality, ready-to-use DNA
  • No organic extraction or alcohol precipitation
  • Consistent, high yields
  • Complete removal of contaminants and inhibitors

The QIAamp DNA Blood Maxi Kit provides silica-membrane-based DNA purification for labs that process whole blood, plasma, serum, and other body fluids. The QIAamp DNA Blood Maxi Kit is designed for processing 3–10 ml fresh or frozen human whole blood. The QIAamp Maxi spin columns can be easily processed in a centrifuge or on vacuum manifolds (Additional Buffer AW1 [Cat. no. 19081] and Buffer AW2 [Cat. no. 19072] are required for use with the vacuum manifolds).

Артикул: 51194
QIAamp DNA Blood Maxi Kit (50)
For 50 DNA maxipreps: 50 QIAamp Maxi Spin Columns, QIAGEN Protease, Buffers, Collection Tubes (50 ml)
Артикул: 51192
QIAamp DNA Blood Maxi Kit (10)
For 10 DNA maxipreps: 10 QIAamp Maxi Spin Columns, QIAGEN Protease, Buffers, Collection Tubes (50 ml)


QIAamp DNA Blood Kits yield DNA sized from 200 bp to 50 kb, depending on the age and storage of samples. The purified DNA is suitable for long-range PCR amplification and restriction fragment length polymorphism (RFLP) analysis used, for example, for paternity testing.

QIAamp DNA Blood Maxi Kit yields up to 95.8% recovery of DNA, depending on the starting cell densities (see table).

DNA yields from human whole blood with different cell densities.

Leukocytes per ml DNA yield (µg) DNA yield (µg)
2.5 x 105 15.8 95.8
1.0 x 106 60.4 91.5
5.0 x 106 312.0 94.5
1.0 x 107 624.6 94.6
Using the QIAamp DNA Blood Maxi Kit, genomic DNA was purified from 10 ml of human whole blood and eluted in 1 ml elution buffer. The first eluate was loaded onto the column a second time and centrifuged again (i.e., re-eluted). Percentage DNA recovery was calculated by assuming that one leukocyte contains 6.6 pg DNA.


No phenol–chloroform extraction is required. The DNA binds specifically to the QIAamp silica-gel membrane while contaminants pass through. PCR inhibitors, such as divalent cations and proteins, are completely removed in two efficient wash steps, leaving pure nucleic acid to be eluted in either water or a buffer provided with the kit.


The QIAamp DNA Blood Maxi Kit simplifies isolation of DNA from blood and related body fluids with a fast spin-column procedure. Fresh and frozen whole blood with common anticoagulants, such as EDTA, citrate, or heparin, may be processed. The QIAamp DNA Blood Maxi Kit processes sample sizes of 3–10 ml, with a preparation time of 55 minutes. The typical yield from 10 ml healthy whole blood is 300–600 µg, with an elution volume of 500–2000 µl.

The QIAamp DNA Blood Kits are supplied with a comprehensive handbook containing protocols for DNA isolation from a number of sample sources. QIAamp sample preparation technology is fully licensed.


The QIAamp DNA Blood Maxi Kit provides proven QIAamp technology for purification of DNA from a variatey of materials using Maxi spin columns with 50 ml collection tubes. Sample sources include:

  • Fresh and frozen whole blood or buffy coat 
  • Plasma or serum
  • Bone marrow
  • Lymphocytes
  • Body fluids

Applications PCR, blotting
Elution volume 500–2000 µl
Format Spin column
Main sample type Whole blood, body fluids
Processing Manual (centrifugation or vacuum)
Purification of total RNA, miRNA, poly A+ mRNA, DNA or protein Genomic DNA, mitochondrial DNA, viral DNA
Sample amount 3–10 ml
Technology Silica technology
Time per run or per prep 55 minutes
Yield 300–600 µg