We use mesoporous titania as a carr

We use mesoporous titania as a carrier for accommodating dithizone (Dz) without coupling agent.•We fabricate one sensor system using one probe to detect multi-metals with the naked eye.•Our sensor display high sensitivity and selectivity of a wide range of detectable metals analyte.•The sensor provided extraordinary sensitivity to some metal ions in the post-mortem samples

We use mesoporous Titania as a Carrier for accommodating Dithizone (Dz) Without coupling Agent.
•
We fabricate one sensor System using one probe to detect Multi-Metals with the Naked Eye.
•
Our sensor Display High sensitivity and selectivity of a Wide Range of detectable. Metals analyte.
•
The sensor provided extraordinary sensitivity to Some Metal ions in the Post-mortem samples.

We use mesoporous titania as a carrier for accommodating dithizone (Dz) without coupling agent.
-
We fabricate one sensor. System using one probe to detect multi-metals with the naked eye.
-
Our sensor display high sensitivity and selectivity. Of a wide range of detectable metals analyte.
-
The sensor provided extraordinary sensitivity to some metal ions in the. Post-mortem samples.