cfDNA (Cell Free DNA)
cfDNA (Cell Free DNA)
Specimen Profile
Key information about this biospecimen.
About cfDNA (Cell Free DNA)
Human biospecimens for projects involving cfDNA (Cell Free DNA).
Sourcing Options
Reliable sourcing network and project-based documentation.
Standard Samples
Current sourceable options can be checked against your specification.
Bulk Supply
Bulk-volume sourcing may be available depending on marker, matrix and project requirements.
Custom / Prospective Collection
For projects requiring defined donor, matrix or collection criteria.
Matched / Paired Samples
Matched or longitudinal sets (e.g. disease/healthy, pre/post) can be discussed where feasible.
Define Your Requirement
Tell us the specification you need. Our team will check current sourcing options for you.
Not sure about the specification?
Our technical team can help you define the most suitable matrix, titre range, donor profile or other project requirements.
Your information will only be used for this inquiry and handled in confidence.
Sourcing & Documentation
Overseas sourcing route available
We work with trusted international partners to source high-quality biospecimens.
Source verification
Source and specification are confirmed for each project.
Documentation available by project
Supporting documentation may include matrix details, donor/cohort information, test-related or characterization information where applicable.
Supporting documentation is confirmed according to the current source and project requirements.
Intended Use & Compliance
For Research & IVD Development Use
Human biospecimens are supplied for research and IVD development purposes and are not intended for direct human use. Availability and China import eligibility are reviewed based on specimen type, source, intended use and project requirements.
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Looking for another matrix, titre range, donor profile or collection requirement? Tell us what you need.
Marker / Disease Cohort
cfDNA (Cell Free DNA)
Matrix Options
Plasma; Serum
Overview
What is this product?
Cell-free-DNA specimen cohort for liquid-biopsy method development, extraction/analytical validation and tumor-derived-fraction research.
Circulating cell-free DNA includes DNA from tumor and non-tumor cells; ctDNA is specifically the tumor-derived fraction. cfDNA status alone must not be treated as confirmed ctDNA positivity. Matrix option(s): Plasma; Serum. For assay development or validation, confirm the exact cohort/analyte definition, collection timing, handling conditions, lot availability and project-specific use restrictions.
Specimen Considerations
Sample handling considerations
Matrix option(s): Plasma; Serum. Confirm analyte positivity/level or disease-state definition, collection timing relative to diagnosis/treatment, donor metadata, freeze-thaw history, volume and method-specific acceptance criteria.
Technical Characteristics
Sample Information
Marker / Disease Cohort
cfDNA (Cell Free DNA)
Disease Areas
Cancer
Matrix
Plasma; Serum
Application Workflow
Sample position in workflow
Collection
Characterization
Validation