Omni-Matrix vs Omni-Patch — auto walkthrough

Omni‑Matrix K105 achieves 97.7% allele recovery in NFSTC independent validation Read the study →

Omni‑MatrixK105

TRACE DNA COLLECTION

Swab vs Omni‑Matrix vs Omni‑Patch — step by step

TRADITIONAL SWAB method A

OMNI‑MATRIX™ spray film

OMNI‑PATCH™ wear patch

PHASE 01

Locate the collection site

latent trace on surface

Identify the trace

Locate the latent DNA deposit or fingerprint on the surface and mark the collection area.

= Identical starting point

latent trace on surface

Identify the trace

Locate the latent DNA deposit on a surface or object and mark the area to be sprayed.

☉ Surface & object trace DNA

a.wrist

b.finger touch

Choose wrist or finger

Select a clean area of the inner wrist (a) or a fingertip (b) as the non‑invasive site for the K105 collection patch.

☉ Donor sample — non‑invasive

Same trace target — the swab and spray recover a surface deposit; Omni‑Patch lifts it from a donor’s skin.

PHASE 02

Collect the sample

CONTACT

Swab the surface

The operator rubs a moistened swab tip directly across the surface to pick up the deposit.

✕ Direct contact can disturb evidence

STAND‑OFF

Spray the matrix

Sprayed from a stand‑off distance, the matrix settles over the trace and dries to a thin film.

✓ Non‑contact — evidence preserved in situ

a.wrist

b.finger touch

Apply or touch Omni‑Patch

Peel back the sterile film and press the bandaid‑style patch — K105 matrix side down — onto the wrist or fingertip.

✓ Matrix in direct contact with the skin

The swab makes physical contact; Omni‑Matrix sprays a film from a stand‑off; Omni‑Patch is worn like a bandage.

PHASE 03

Recover from the surface

a · cut tip into vial

b · capped transport tube

Cut into a transport tube

The swab head is cut off and dropped into a transport vial for transit to the lab.

· Sample now locked inside the swab head

a · peel film & lift

b · screw‑cap tube

Peel the dried matrix

The dried matrix film lifts off cleanly and drops straight into a sample vial.

✓ Encapsulated DNA lifts with the film

a · peel patch off wrist or finger

b · reseal in sterile wrapper

Remove & reseal the patch

Lift the patch off the wrist and slide it straight back into its original sterile wrapper.

✓ Sample sealed back into its own packaging

The swab head is cut into a tube; the matrix film and the patch are simply peeled away.

PHASE 04

Deliver to the lab

swab transport tube

Swab shipped in a transport tube

The whole swab is sealed in a long plastic transport tube and shipped to the lab — sample still locked in its fibers.

✕ Bulky — and the DNA stays bound in the fibers

dried matrix speck

Matrix speck in a screw‑cap tube

A small speck of dried matrix sits in a labeled screw‑cap tube — yet it holds the entire collected sample.

✓ Tiny and fully soluble — the whole sample on board

SEALED

Sealed patch with ID & QR code

The patch ships wrapped and sealed in its sterile pouch, tagged with a chain‑of‑custody QR code.

✓ Tracked & tamper‑evident in transit

A bulky swab tube, a tiny soluble speck, or a sealed QR‑tagged patch — all reach the same destination.

PHASE 05

Release the DNA into buffer

Wash & elute

Vortex and centrifuge the swab to drive DNA off the fibers, then recover the supernatant.

✕ DNA binds to swab fibers — never fully released

matrix fully in solution

Dissolve completely

The matrix is 100% soluble in lysis buffer and dissolves entirely — nothing is left behind.

✓ No binding material — all DNA enters solution

a · peel dry K105 matrix

b · speck in screw‑cap tube

c · matrix fully in solution

Transfer the dry K105 matrix

Peel the dry matrix off the patch and drop it into a screw‑cap tube, where it dissolves entirely in buffer.

✓ Fully soluble — all DNA enters solution

Swab fibers trap part of the sample; both K105 formats dissolve completely into buffer.

Sample retention comparison across swab types and Omni-Matrix — FIG. 1 — Sample stays entrapped in the fiber wad of traditional swabs (left); with Omni‑Matrix it is fully released and dissolved (right).

PHASE 06

Compare the recovered yield

50–80%

recovered into
extraction

20–50% lost to the swab fibers

A variable fraction stays bound to the fibers and never reaches the extraction workflow.

100%

recovered into
extraction

0% lost — nothing left behind

The entire collected sample is in solution, so 100% of the Omni‑Matrix film enters the extraction workflow.

100%

recovered into
extraction

0% lost — nothing left behind

The dry K105 matrix from the patch dissolves entirely, so 100% of the collected sample enters the extraction workflow.

Fibers retain 20–50% of the DNA; Omni‑Matrix and Omni‑Patch each deliver a full 100% into extraction.

Residue remaining on swabs after centrifuging — FIG. 2 — Visible sample residue remains on the swab and the object even after centrifuging.