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  • host cell dna residue detection kit
  • host cell dna residue detection kit

BlueGene Biotech CHO Host Cell DNA Residue Detection kit-50T

CH-D050T CHO Host Cell DNA Residue Detection kit

The CHO Host Cell DNA Residue Detection Kit can be used for Quantitative analysis of DNA contaminants in recombinant protein expression, intermediate purification, and finished production from the host cell. 

Products

Specifications of CHO Host Cell DNA Residue Detection kit

Introduction

This kit adopts Taqman probe fluorescence qPCR method. The kit has the advantages of high specificity and sensitivity by using specific primers & probes, LOD can reach 1fg level.Intruoduction.The preparation process of DNA Control is completely consistent with National Standard, therefore it has high purity and no protein and ion interference. DNA Control has been calibrated by National Standard to ensure the accuracy of the sample quantitative detection.The kit provides DNA Dilution Buffer, which enables good replicate parallelism in a single experiment and good reproducibility between multiple experiments. Purchasing this kit comes with a complimentary Magnetic Residual DNA Sample Preparation Kit-50T, designed for isolating residual DNA: CG-DP050.



Kit Components

DNA Amplification

Components NO.

Components Name

Cat#/Size CH-D050T(50T)

B1

2XqPCR Mix

0.625mL

B2

Primer&Probe Mix

100μL

B3

DNA Dilution Buffer

2×1.5mL

B4

DNA Control (10ng/μL)

25μL

B5

RNase-Free H2O

0.5mL

B6

50X ROX Reference Dye(Optional)

0.15ml


Shipping and Storage

1All components are shipped on dry ice.
2

The kit should be stored at -20°C and has a shelf life of two years. B2 should be stored protected from light.


Quality Control on CHO Host Cell DNA Residue Detection kit


Accuracy (Standard: ≦30%)

Intra Variation% 8.1-9.4

Inter Variation% 10.6

Recovery Specificity

93-117%

Limit of Quantitation1fg/μL

Specificity

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PCR Reaction System on CHO Host Cell DNA Residue Detection Kit

Components

Volume(μL)

2XqPCR Mix

12.5

Primer&Probe Mix

2

DNA template (control or sample)

5

Add water

5.5

Total Volume

25


  • Mix solution = (number of reaction wells+4) * (12.5+2+5.5)μL (including the volume lost in the 4 wells).


  • The detection range of the standard curve mentioned above is suitable for most experiments and can be adjusted as needed, such as 3fg/ul-300pg/ul.

Criteria for Results

  • Standard Curve: R ²> 0.99; Amplification Efficiency: 90% ≤ Eff% ≤ 110%; Slope: -3.8~-3.1.


  • The recovery rate of spiked samples=(measured value of spiked samples - measured value of samples)/theoretical value of spiked samples * 100%, with a range of 50% -150%.


  • Negative Quality Control (NC): The reaction system contains only DNA Dilution Buffer, and the detection result should have a Ct value greater than the mean Ct value of the lowest concentration Ct on the standard curve.


  • No Template Control (NTC): Replace only the DNA template with DNA Dilution Buffer in the reaction system, and the Ct value obtained should be 'Undetermined' or ≥35.

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