Every sample needs a purpose.

Start with the question the sample should answer

Would the material be retained for DNA analysis, possible cell-line establishment, a future approved study, or its personal significance? Those purposes require different records and handling. Our proposed intake would establish the purpose before collection, with qualified providers deciding which material is appropriate and whether a collection is justified.

A sample list would distinguish the core archive from optional additions. No one would need to collect every tissue type to participate in a defined program. Additional collection would be evaluated on its likely usefulness, burden and documented limits.

Hair can be valuable without being a living cell bank

Forensic researchers have recovered genetic information from rootless hair shafts, including heavily fragmented DNA. The amount and quality of recoverable information depend on the specimen and analytical method. Read the original hair-DNA study. A lock of hair should therefore not be advertised as a guaranteed source of intact viable cells.

NIST also describes research on identifying information in hair proteins. Read NIST’s hair-analysis research. These scientific uses are different from maintaining a recoverable cell line. In the proposed archive, hair could be retained as a separately labeled specimen or keepsake, with no claim that it completes a biological copy of the member.

Specimen condition belongs in the name

Freshly collected material, fixed tissue, extracted DNA and an established cell culture should have distinct entries. A hospital pathology record might add important context, but access to a record would not imply possession of the tissue. Similarly, possession of tissue would not establish that living cells could be recovered from it.

Death X would require the intake record to state what is known, what was measured and what remains unknown. If material did not meet the intended purpose, the member would receive that result. Reclassification, recollection or retention for a different purpose would require an explicit choice.

Collection belongs with qualified providers

NCI’s best practices address collection, processing, storage, documentation and ethical governance together. Read the NCI Best Practices. Death X’s proposed role would be to coordinate a defined archive with appropriately qualified collection and laboratory partners.

The program would not instruct members to undertake invasive collection themselves. A receiving laboratory would need to approve the material and arrangements before a collection occurred. Existing clinically collected material would need appropriate authorization and confirmation that it was available for the intended use.

The manifest connects biology and biography

The planned archive would connect collection dates, specimen identifiers, relevant laboratory reports and member instructions. A member could add context such as a photograph, family story or note about why an item mattered. Personal meaning and scientific utility would both be recorded, without confusing one with the other.

The digital record would make it possible to understand what remains even if the original coordinator is unavailable. It would show which items are physical, which are data, which are viable and which have not been tested. This practical clarity is more valuable than describing the collection as “everything about you.” Collection partners and final acceptance criteria remain in development.

Sources & further reading

1. Brandhagen et al., 2022 — Improved DNA Extraction and Illumina Sequencing of DNA Recovered from Aged Rootless Hair Shafts Found in Relics Associated with the Romanov Family ↗
2. NIST — A Solution to a Hairy Problem in Forensic Science ↗
3. NCI — Best Practices for Biospecimen Resources ↗

Linked research supports the specific statements discussed. It does not validate the proposed Death X service. Sources checked 14 October 2026.