For isolation of free-circulating DNA from human plasma or serum 
  • Efficient recovery of fragmented DNA
  • High yield ensuring detection of low frequency biomarkers
  • Low elution volume in water (20 µl) for high concentration of nucleic acids
  • Scalable sample input volume of 1–10 ml
  • Removal of contaminants and inhibitors
QIAamp MinElute ccfDNA Kits greatly simplify concentration and purification of free-circulating DNA from plasma or serum. The procedure can be partially automated on the QIAcube.
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QIAamp MinElute ccfDNA Mini Kit (50)
For 50 preps (1 or 2 ml sample input volume each): QIAamp UCP MinElute Columns, QIAGEN Proteinase K, Magnetic Bead Suspension, Buffers, Bead Elution Tubes, Collection Tubes (1.5 ml and 2 ml)
55204
$569.00
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QIAamp MinElute ccfDNA Midi Kit (50)
For 50 preps (4 or 5 ml sample input volume each): QIAamp UCP MinElute Columns, QIAGEN Proteinase K, Magnetic Bead Suspension, Buffers, Bead Elution Tubes, and Collection Tubes (1.5 ml and 2 ml)
55284
$949.00
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PAXgene Blood ccfDNA Tubes (100)
100 blood collection tubes (10 ml). To be used in conjunction with the QIAamp MinElute ccfDNA Kit, the QIAamp Circulating Nucleic Acid Kit (50) or the QIAsymphony PAXgene Blood ccfDNA Kit (192)
768115
$845.00
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12-Tube Magnet
Magnet for separating magnetic beads in 12 x 1.5 ml or 2 ml tubes
36912
$395.00
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15 ml/50 ml Tube Magnet 
Magnet for separating magnetic particles in 5 x 15 ml and 3 x 50 ml tubes
36935
$834.00
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AdnaMag-L
For 8 tubes, 15 ml
399921
$698.00
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AdnaMag-S
For 8 tubes, 1.5 ml
399911
$698.00
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QIAamp MinElute ccfDNA Kits are intended for molecular biology applications. These products are not intended for the diagnosis, prevention, or treatment of a disease.


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Faster access to ccfDNA|Highest yield of ccfDNA|Highest ccfDNA concentration|Flexible input volume|QIAamp MinElute ccfDNA Kit procedure|
Comparison of sample processing time (for 4 samples of 4 ml plasma each, using commercially available kits) shows that the QIAamp MinElute ccfDNA Kit provided the fastest processing.|Total yield of a 66 bp ccfDNA fragment from 4 ml of plasma is shown using the QIAamp MinElute ccfDNA Kit compared with 5 other commercially available kits. Results show that the QIAamp MinElute ccfDNA Kit provided higher DNA yield than competitor solutions.|ccfDNA concentrations of a 66 bp fragment were compared, using 5 commercially available kits and the QIAamp MinElute ccfDNA Kit. The QIAamp MinElute ccfDNA Kit provided the highest DNA concentration in the final eluate.|Total yield of a 66 bp ccfDNA fragment is shown with sample input volumes from 1 to 8 ml, using QIAamp MinElute ccfDNA Kits.||
Performance
The quantity of free-circulating DNA in plasma, serum and other body fluids is usually low, and isolation is a challenge. QIAamp MinElute ccfDNA Kits provide excellent results with efficient purification of high-quality ccfDNA from serum and plasma samples, even when small amounts are present. Compared with other commercially available kits, QIAamp MinElute ccfDNA Kits recovered the greatest amount of ccfDNA.
Pre-concentration of ccfDNA on magnetic beads allows flexible and scalable handling of volumes from 1 to 10 ml while the use of a MinElute column allows flexible elution volumes between 20 μl and 80 μl, providing the highest possible concentration of nucleic acid species that are present in low concentrations (typically 1–100 ng/ml circulating DNA in human plasma). ​
The QIAamp MinElute ccfDNA Mini Kit has been optimized for sample volumes from 1 to 4 ml while the QIAamp MinElute ccfDNA Midi Kit has been optimized for sample volumes from 4 to 10 ml. QIAamp MinElute columns can bind fragmented nucleic acids that are as short as 20 bases, but yield depends on the sample volume and the concentration of circulating nucleic acids in the sample.​
Principle
Free-circulating DNA, such as tumor-specific extracellular DNA fragments in the blood or fetal DNA in maternal blood, is present in serum or plasma usually as short fragments of <1000 bp. Because ccfDNA may reflect the entire tumor genome, it has gained attention for its potential clinical utility, enabling use of “liquid biopsies” in the form of blood draws.
QIAamp MinElute ccfDNA Kits enable efficient purification of these circulating DNAs from human plasma or serum. ​The procedure can be partially automated on the QIAcube.
Procedure
The kits use a fast procedure involving pre-concentration of circulating nucleic acids onto magnetic beads and a cleanup of the resulting pre-eluate on QIAamp MinElute columns in a quick and convenient spin procedure. The robust procedure helps to eliminate sample-to-sample cross-contamination and increases user safety when handling potentially infectious samples.
The simple procedure, which is highly suited for simultaneous processing of multiple samples, provides pure nucleic acids in less than 1 hour for 24 samples. Free-circulating DNA is eluted in Ultra-clean Water, ready for use in downstream reactions or storage a –30 to –15°C. Purified nucleic acids are free of proteins, nucleases and other impurities. The procedure can be partially automated on the QIAcube.
Applications
QIAamp MinElute ccfDNA Kits enable efficient purification of circulating DNAs from human plasma or serum.

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Kit Handbooks
3

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For collection of whole blood and stabilization of ccfDNA
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for separation of BioMag® particles in 15 ml or 50 ml tubes
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FAQs
34
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Scientific Posters
13
Ullius et al., 2015

 


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Voss et al., 2017

 


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Ullius et al., 2016

 


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Ullius et al.

 


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Ullius et al. 2019

 


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Ullius et al. 2019

 


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Babayan et al. 2019

 


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Fleischhacker et al., 2016

 


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Fleischhacker et al., 2017

 


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Groelz et al., 2017

 


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Groelz et al., 2017

 


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Alsobrook et al., 2017

 


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Murray et al., 2017

 


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Application Notes
2

IATA-conform transport of whole blood samples in PAXgene Blood ccfDNA Tubes – a simulation and functional test


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Demonstrated 3-in-1 workflow for the simultaneous extraction of circulating tumor cell RNA, ccfDNA and leukocyte-derived gDNA from a single blood sample collected and stored in a PAXgene Blood ccfDNA Tube (RUO)


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