{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T12:11:16Z","timestamp":1740139876790,"version":"3.37.3"},"reference-count":51,"publisher":"Optica Publishing Group","issue":"27","license":[{"start":{"date-parts":[[2024,12,24]],"date-time":"2024-12-24T00:00:00Z","timestamp":1734998400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR-OA"},{"start":{"date-parts":[[2024,12,24]],"date-time":"2024-12-24T00:00:00Z","timestamp":1734998400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["12374326","11874438"],"award-info":[{"award-number":["12374326","11874438"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Key Project of Natural Science Foundation of Henan","award":["232300421141"],"award-info":[{"award-number":["232300421141"]}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Opt. Express"],"published-print":{"date-parts":[[2024,12,30]]},"abstract":"<jats:p>Hydrogen sulfide (H<jats:sub>2<\/jats:sub>S), the third endogenous gaseous molecule, plays a crucial role in biological signaling and metabolic processes. It has garnered significant attention from researchers in the field of biochemistry. The highly sensitive detection of H<jats:sub>2<\/jats:sub>S is essential for elucidating its functions and has long been a key objective in biochemical sensing. In this study, we present an ultrasensitive method for sulfide detection utilizing gold (core)-silver (shell) triangular nanoprisms (Au@Ag TNPs). This strategy is predicated on the preferential formation of Ag<jats:sub>2<\/jats:sub>S at the sharp corners of Au@Ag TNPs, which is manifested as a sensitive spectral shift observed in the nanoprobes. In comparison to the detection limit for sulfide using Au@Ag nanorods, as reported in <jats:mixed-citation publication-type=\"journal\"><jats:source>Nat. Commun.<\/jats:source> <jats:volume>4<\/jats:volume>, <jats:fpage>1708<\/jats:fpage> (<jats:year>2013<\/jats:year>)<jats:pub-id pub-id-type=\"doi\">10.1038\/ncomms2722<\/jats:pub-id><\/jats:mixed-citation>, this detection limit can be enhanced by three orders of magnitude when employing Au@Ag TNPs. Leveraging the single-particle scattering spectrum of individual Au@Ag TNPs, we have successfully reduced the detection limit for sulfide to 1 fM. This represents the lowest reported value for sulfide detection to date. This study presents a highly effective plasmonic nanoprobe for ultrasensitive sulfide detection, which is poised to play a significant role in biochemistry and environmental sciences.<\/jats:p>","DOI":"10.1364\/oe.544504","type":"journal-article","created":{"date-parts":[[2024,12,12]],"date-time":"2024-12-12T07:00:12Z","timestamp":1733986812000},"page":"49082","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Ultrasensitive sulphide detecting by using Au (core)-Ag (shell) triangular nanoprisms"],"prefix":"10.1364","volume":"32","author":[{"given":"Shihao","family":"Feng","sequence":"first","affiliation":[{"name":"Henan University"},{"name":"Institute of Quantum Materials and Physics, Henan Academy of Sciences"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhixiang","family":"Liu","sequence":"additional","affiliation":[{"name":"Henan University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mei","family":"Liu","sequence":"additional","affiliation":[{"name":"Henan University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peijia","family":"Chen","sequence":"additional","affiliation":[{"name":"Henan University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinyi","family":"Fan","sequence":"additional","affiliation":[{"name":"Henan University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ting","family":"Luo","sequence":"additional","affiliation":[{"name":"Henan University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JinDong","family":"Ai","sequence":"additional","affiliation":[{"name":"Henan University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li","family":"Jiang","sequence":"additional","affiliation":[{"name":"Guilin University of Technology"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Renming","family":"Liu","sequence":"additional","affiliation":[{"name":"Henan University"},{"name":"Institute of Quantum Materials and Physics, Henan Academy of Sciences"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"285","published-online":{"date-parts":[[2024,12,24]]},"reference":[{"key":"oe-32-27-49082-R1","doi-asserted-by":"publisher","first-page":"270","DOI":"10.1016\/j.snb.2005.09.013","volume":"115","author":"Sen","year":"2006","journal-title":"Sens. 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