Turn-Off Fluorescent Sensor Based on 3-Aminophenylboronic Acid-Modified CdSe/ZnS Quantum Dots for Specific Detection of γ-Hexachlorocyclohexane (Lindane)
Dongdong Shi, Guiqin Yan · 2026
Read Turn-Off Fluorescent Sensor Based on 3-Aminophenylboronic Acid-Modified CdSe/ZnS Quantum Dots for Specific Detection of γ-Hexachlorocyclohexane (Lindane) by Dongdong Shi, Guiqin Yan (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13567623.txt.
Description
Dongdong Shi and Guiqin Yan build a glowing sensor that dims in the presence of a banned pesticide, in a paper dated 2026. Lindane, once widely sprayed, lingers in soil and water and resists breakdown. Its near-identical chemical siblings make it hard to detect alone.
The probe starts with quantum dots, nanometer crystals that fluoresce brightly, wrapped in a shell and coated with a boronic acid compound. Lindane binds that coating through halogen bonding and forms dark complexes, quenching the glow in proportion to its concentration. The response is linear across the trace range that matters, with a detection limit under three nanomolar. Crucially, the three sibling forms of the same molecule barely register. A specific, cheap optical test for a persistent pollutant could move monitoring from distant labs to the field.
Catalog record
| CREATOR | Dongdong Shi, Guiqin Yan |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 51 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |