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- Publisher Website: 10.1039/c2nr32170j
- Scopus: eid_2-s2.0-84870902737
- WOS: WOS:000310978900041
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Article: Size-selective pH-operated megagates on mesoporous silica materials
Title | Size-selective pH-operated megagates on mesoporous silica materials |
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Authors | |
Issue Date | 2012 |
Citation | Nanoscale, 2012, v. 4, n. 23, p. 7569-7574 How to Cite? |
Abstract | pH-responsive megagates have been fabricated around mesoporous silica material SBA-15 in order to mechanize the mesopores. These megagates remain closed in neutral conditions, but open at pH 5. The capping components of the megagates were designed to be capable of controlling pores up to 6.5 nm in diameter. Selectivity of payloads with different sizes can be achieved through the use of different capping components. The operation of the megagates was demonstrated by time-resolved fluorescence spectroscopy which is capable of monitoring the release of both the payload and the cap. This study opens up new possibilities in the field of controllable release. © 2012 The Royal Society of Chemistry. |
Persistent Identifier | http://hdl.handle.net/10722/333011 |
ISSN | 2021 Impact Factor: 8.307 2020 SCImago Journal Rankings: 2.038 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Xue, Min | - |
dc.contributor.author | Cao, Dennis | - |
dc.contributor.author | Stoddart, J. Fraser | - |
dc.contributor.author | Zink, Jeffrey I. | - |
dc.date.accessioned | 2023-10-06T05:16:04Z | - |
dc.date.available | 2023-10-06T05:16:04Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | Nanoscale, 2012, v. 4, n. 23, p. 7569-7574 | - |
dc.identifier.issn | 2040-3364 | - |
dc.identifier.uri | http://hdl.handle.net/10722/333011 | - |
dc.description.abstract | pH-responsive megagates have been fabricated around mesoporous silica material SBA-15 in order to mechanize the mesopores. These megagates remain closed in neutral conditions, but open at pH 5. The capping components of the megagates were designed to be capable of controlling pores up to 6.5 nm in diameter. Selectivity of payloads with different sizes can be achieved through the use of different capping components. The operation of the megagates was demonstrated by time-resolved fluorescence spectroscopy which is capable of monitoring the release of both the payload and the cap. This study opens up new possibilities in the field of controllable release. © 2012 The Royal Society of Chemistry. | - |
dc.language | eng | - |
dc.relation.ispartof | Nanoscale | - |
dc.title | Size-selective pH-operated megagates on mesoporous silica materials | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1039/c2nr32170j | - |
dc.identifier.scopus | eid_2-s2.0-84870902737 | - |
dc.identifier.volume | 4 | - |
dc.identifier.issue | 23 | - |
dc.identifier.spage | 7569 | - |
dc.identifier.epage | 7574 | - |
dc.identifier.eissn | 2040-3372 | - |
dc.identifier.isi | WOS:000310978900041 | - |