Name: E.coli Residual DNA Fragment Detection Kit (2G) (PCR-Fluorescent Probe Method)
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E.coli Residual DNA Fragment Detection Kit (2G) (PCR-Fluorescent Probe Method)
Cat: HCP-DF02
Product Type: Host Cell Residual DNA Fragment Analysis and Detection
MtoZ Biolabs E. coli Residual DNA Fragment Detection Kit (2G) (PCR-Fluorescent Probe Method) is designed for the quantitative detection and size distribution analysis of residual Escherichia coli host cell DNA fragments in biopharmaceutical intermediates, drug substances, and drug products, supporting safety assessment and regulatory compliance in biopharmaceutical quality control workflows.
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MtoZ Biolabs E. coli Residual DNA Fragment Detection Kit (2G) (PCR-Fluorescent Probe Method) is designed for the quantitative detection and size distribution analysis of residual Escherichia coli host cell DNA fragments in biopharmaceutical intermediates, drug substances, and drug products, supporting safety assessment and regulatory compliance in biopharmaceutical quality control workflows.

Product Overview

In E. coli residual DNA detection workflows, accurate fragment size characterization is essential for risk-based regulatory evaluation of biopharmaceutical products:

1. DNA Fragment Size Distribution Unresolved

Total residual DNA quantification methods fail to distinguish fragment size, not meeting regulatory requirements for assessing residual E. coli DNA's oncogenic and infectious risk.

2. Insufficient Sensitivity for Trace DNA Detection

Low-sensitivity assays struggle to detect fg-level residual E. coli DNA in purified biopharmaceutical products, risking underreporting contamination.

3. PCR Inhibition in Biopharmaceutical Matrices

Inhibitory components in processed samples can suppress qPCR amplification, causing falsely elevated Cq values or absent amplification curves, compromising result accuracy.

4. Limited Specificity for E. coli

Non-E. coli-specific primers and probes may cross-react with unintended DNA, reducing assay reliability in multi-host-system manufacturing environments.

Advantages

✅ MtoZ Biolabs’ E.coli Residual DNA Fragment Detection Kit quantifies four fragment sizes in parallel (85bp, 103bp, 220bp, 550bp) for comprehensive residual E.coli DNA size distribution analysis.

✅ Detection sensitivity down to the fg level across a broad dynamic range.

✅ Integrated Internal Process Control (IPC) in each reaction enables real-time monitoring of amplification performance and sample inhibition.

✅ E.coli-specific primers and fluorescent probes provide high analytical specificity and low cross-reactivity.

✅ Compatible with mainstream real-time PCR platforms and designed for use with Host Cell Residual DNA Sample Preprocessing Kit for streamlined workflow integration.

Technical Support

1. Protocol Downloads

MtoZ Biolabs provides comprehensive experimental protocols and product manuals to help ensure smooth and reproducible workflows. For access to specific documents or detailed instructions, please contact our support team.

2. Customized Service Support

Our experienced scientists offer tailored technical assistance and customized solutions based on your specific research goals, helping you achieve optimal experimental outcomes.

3. FAQ and Expert Assistance

We provide responsive and professional technical support to address your questions efficiently. Our experts are ready to help you identify and resolve experimental challenges quickly and accurately.

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