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Herein, optical detection of cyanide in water has been achieved by using a hybrid organic\u2013inorganic nanomaterial. Mesoporous silica nanoparticles were loaded with [Ru(bipy)<jats:sub>3<\/jats:sub>]<jats:sup>2+<\/jats:sup>, functionalized with macrocyclic nickel(II) complex subunits, and capped with a sterically hindering anion (hexametaphosphate). Cyanide selectively induces demetallation of nickel(II) complexes and the removal of capping anions from the silica surface, allowing the release of the dye and the consequent increase in fluorescence intensity. The response of the capped nanoparticles in aqueous solution is highly selective and sensitive towards cyanide with a limit of detection of 2\u2005\u03bc<jats:sc>m<\/jats:sc>.<\/jats:p>","DOI":"10.1002\/asia.201701130","type":"journal-article","created":{"date-parts":[[2017,9,22]],"date-time":"2017-09-22T02:26:47Z","timestamp":1506047207000},"page":"2670-2674","source":"Crossref","is-referenced-by-count":22,"title":["Capped Mesoporous Silica Nanoparticles for the Selective and Sensitive Detection of Cyanide"],"prefix":"10.1002","volume":"12","author":[{"given":"Sameh El","family":"Sayed","sequence":"first","affiliation":[{"name":"Departamento de Qu\u00edmica Universitat Polit\u00e9cnica de Val\u00e8ncia  Camino de Vera s\/n 46022 Valencia Spain"},{"name":"Instituto Interuniversitario de Investigaci\u00f3n de Reconocimiento Molecular<i>y<\/i>Desarrollo Tecnol\u00f3gico (IDM) Universitat Polit\u00e9cnica de Val\u00e8ncia-Universitat de Val\u00e8ncia"},{"name":"CIBER de Bioingenier\u00eda Biomateriales<i>y<\/i>Nanomedicina (CIBER-BBN)"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9276-1530","authenticated-orcid":false,"given":"Maurizio","family":"Licchelli","sequence":"additional","affiliation":[{"name":"Dipartimento di Chimica Universit\u00e0 di Pavia  via Taramelli 12, I- 27100 Pavia Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ram\u00f3n","family":"Mart\u00ednez\u2010M\u00e1\u00f1ez","sequence":"additional","affiliation":[{"name":"Departamento de Qu\u00edmica Universitat Polit\u00e9cnica de Val\u00e8ncia  Camino de Vera s\/n 46022 Valencia Spain"},{"name":"Instituto Interuniversitario de Investigaci\u00f3n de Reconocimiento Molecular<i>y<\/i>Desarrollo Tecnol\u00f3gico (IDM) Universitat Polit\u00e9cnica de Val\u00e8ncia-Universitat de Val\u00e8ncia"},{"name":"CIBER de Bioingenier\u00eda Biomateriales<i>y<\/i>Nanomedicina (CIBER-BBN)"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F\u00e9lix","family":"Sancen\u00f3n","sequence":"additional","affiliation":[{"name":"Departamento de Qu\u00edmica Universitat Polit\u00e9cnica de Val\u00e8ncia  Camino de Vera s\/n 46022 Valencia Spain"},{"name":"Instituto Interuniversitario de Investigaci\u00f3n de Reconocimiento Molecular<i>y<\/i>Desarrollo Tecnol\u00f3gico (IDM) Universitat Polit\u00e9cnica de Val\u00e8ncia-Universitat de Val\u00e8ncia"},{"name":"CIBER de Bioingenier\u00eda Biomateriales<i>y<\/i>Nanomedicina (CIBER-BBN)"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,9,22]]},"reference":[{"key":"e_1_2_2_1_1","volume-title":"Hazards in Chemical Laboratory","author":"Muir G. 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