Plasma/Serum Cell-Free Circulating DNA Purification Kits Dx

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Overview

  • Concentrate circulating DNA into a flexible elution volume ranging from (25 µL – 50 µL)
  • Isolate inhibitor-free cell-free circulating DNA
  • Compatible with Streck Cell-Free DNA BCT® Tubes
  • Purification is based on spin column chromatography that uses Norgen’s proprietary resin separation matrix
  • Research use format is also available

These kits provide a fast, reliable and convenient spin column method for the isolation of high quality, high purity and inhibitor-free cell-free circulating DNA (cfc-DNA) from plasma/serum sample. These kits are designed to isolate all sizes of cfc-DNA from either fresh or frozen plasma/serum samples and the purified DNA is eluted into a flexible elution volume ranging from 25 µL to 50 µL. The purified plasma/serum cfc-DNA is fully compatible with all downstream applications including PCR, qPCR, methylation-sensitive PCR and Southern Blot analysis, microarrays and NGS.

Background

Plasma/Serum cell-free circulating DNA (cfc-DNA) has the potential to provide biomarkers for certain cancers and disease states as well as fetal DNA in maternal blood. Currently, significant advancements are being made in utilizing cfc-DNA as biomarkers for the early diagnosis, prognosis and monitoring of therapy for several cancer types and autoimmune diseases. Cell-free mitocondrial DNA (cfmtDNA) is also under investigation for its clinical significance. This cfc-DNA is usually present as short fragments of less than 1000 bp. In addition, cell-free fetal DNA has been widely used as a non-invasive method for prenatal diagnosis including early identification of fetal sex, genetic studies for families at high risk for inherited genetic disorders, screening for Rhesus factor, screening for aneuploidy and identification of preeclampsia.

Plasma/Serum Cell-Free Circulating DNA Purification Micro Kit Dx

For serum input volumes 10 µL – 200 µL. Purify high-quality DNA in 15-20 minutes

Plasma/Serum Cell-Free Circulating DNA Purification Mini Kit Dx

For serum input volumes 200 µL – 500 µL. Purify high-quality DNA in 15-20 minutes.

Plasma/Serum Cell-Free Circulating DNA Purification Midi Kit Dx

The first column will handle the large volume input of bodily fluids that is followed by a concentration on a mini column for a final elution of 25 µL to 50 µL. All components for the purification & concentration are provided in one convenient & fast kit for the easy processing of large input volumes of bodily fluids. For a schematic workflow of the protocol click here to view. For serum input volumes 1 mL – 4 mL. Purify high-quality DNA in 90 minutes.

Plasma/Serum Cell-Free Circulating DNA Purification Maxi Kit Dx

The first column will handle the large volume input of bodily fluids that is followed by a concentration on a mini column for a final elution of 25 µL to 50 µL. All components for the purification & concentration are provided in one convenient & fast kit for the easy processing of large input volumes of bodily fluids. For a schematic workflow of the protocol click here to view. For serum input volumes 5 mL – 10 mL. Two kits in one – purify and concentrate DNA from bodily fluids using a convenient two column system.

Details

Supporting Data

Figure 1 / 12

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Figure 1. Purification of DNA from different plasma volumes.
Figure 1. Purification of DNA from different plasma volumes.
Figure 2. Linearity of DNA purified from increasing plasma volumes
Figure 3. Detection of the human 5S gene
Figure 4. Purification of DNA from different plasma volumes
Figure 5. Linearity of DNA purified from increasing plasma volumes
Figure 6. Detection of the human 5S gene
Figure 7. Purification of DNA from different plasma volumes
Figure 8.  Linearity of DNA purified from increasing plasma volumes
Figure 9.  Detection of the human 5S gene
Figure 10. Purification of DNA from different plasma volumes
Figure 11. Linearity of DNA purified from increasing plasma volumes
Figure 12.  Detection of the human 5S gene

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Kit Specifications
Minimum Plasma/Serum Input10 μL
Maximum Plasma/Serum Input200 μL
Size of DNA Purified≥ 50 bp
Elution Volume25-50 μL
Time to Complete 10 Purifications15-20 minutes
Average Yields*Variable depending on specimen

*Please check page 7 in the product manual for the Plasma/Serum Average Yields and the Common DNA Quantification Methods.

Storage Conditions and Product Stability
All buffers should be kept tightly sealed and stored at room temperature (15-25°C) for up to 2 years without showing any reduction in performance. Norgen’s Plasma/Serum Cell-Free Circulating DNA Purification Kits contain ready-to-use Proteinase K solution, which is dissolved in a specially prepared storage buffer. The Proteinase K is stable for up to 2.5 years after delivery when stored at room temperature. To prolong the lifetime of Proteinase K, storage at 2–8°C is recommended.

ComponentCat. Dx55100 (50 preps)Cat. Dx55500 (50 preps)Cat. Dx55600 (20 preps)Cat. Dx55800 (10 preps)
Binding Buffer B2 x 40 mL40 mL2 x 85 mL
1 x 12 mL
2 x 85 mL
1 x 40 mL
Proteinase K2 x 1 mL0.6 mL6.5 mL8 mL
Solution WN18 mL18 mL18 mL18 mL
Wash Solution A38 mL18 mL18 mL18 mL
Elution Buffer B8 mL8 mL30 mL30 mL
Micro Spin Columns50502010
Mini Spin Columns50
Midi Spin Columns20
Maxi Spin Columns10
Collection Tubes100502010
Elution Tubes (1.7 mL)100502010
Product Insert1111

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