Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Ritter, Hanna | - |
dc.contributor.author | Brühwiler, Dominik | - |
dc.date.accessioned | 2018-02-06T15:22:26Z | - |
dc.date.available | 2018-02-06T15:22:26Z | - |
dc.date.issued | 2009 | - |
dc.identifier.issn | 1932-7447 | de_CH |
dc.identifier.issn | 1932-7455 | de_CH |
dc.identifier.uri | https://digitalcollection.zhaw.ch/handle/11475/2650 | - |
dc.description.abstract | The accessibility of amino groups in postsynthetically functionalized mesoporous silica MCM-41, MCM-48, and SBA-15 is investigated by reaction with fluorescein isothiocyanate (FITC). The quantitative analysis of the surface-grafted amino groups in relation to the amount of coupled FITC over a wide range of loadings affords information about potential pore blocking. In the pore diameter domain of 3-4 nm, the actual pore size of materials with a one-dimensional channel system (MCM-41) strongly affects the FITC coupling yield and the distribution of the anchored fluorescein moieties. In the case of SBA-15 (7.6 nm pore diameter), the accessibility of the grafted amino groups is similar to what is expected for a material with a completely open surface. However, grafting in the intrawall micropores of SBA-15 leads to a substantial fraction of inaccessible amino groups. As a direct consequence of short channel lengths and large external surface area, excellent accessibility is also observed for nanometer-sized MCM-41 (3.2 nm pore diameter). | de_CH |
dc.language.iso | en | de_CH |
dc.publisher | American Chemical Society | de_CH |
dc.relation.ispartof | The Journal of Physical Chemistry C | de_CH |
dc.rights | Licence according to publishing contract | de_CH |
dc.subject | 2009 | de_CH |
dc.subject | ICBC | de_CH |
dc.subject | Mesopores | de_CH |
dc.subject | Accessibility | de_CH |
dc.subject.ddc | 540: Chemie | de_CH |
dc.title | Accessibility of amino groups in postsynthetically modified mesoporous silica | de_CH |
dc.type | Beitrag in wissenschaftlicher Zeitschrift | de_CH |
dcterms.type | Text | de_CH |
zhaw.departement | Life Sciences und Facility Management | de_CH |
zhaw.organisationalunit | Institut für Chemie und Biotechnologie (ICBT) | de_CH |
dc.identifier.doi | 10.1021/jp901983j | de_CH |
zhaw.funding.eu | No | de_CH |
zhaw.issue | 24 | de_CH |
zhaw.originated.zhaw | Yes | de_CH |
zhaw.pages.end | 10674 | de_CH |
zhaw.pages.start | 10667 | de_CH |
zhaw.publication.status | publishedVersion | de_CH |
zhaw.volume | 113 | de_CH |
zhaw.publication.review | Peer review (Publikation) | de_CH |
Appears in collections: | Publikationen Life Sciences und Facility Management |
Files in This Item:
There are no files associated with this item.
Show simple item record
Ritter, H., & Brühwiler, D. (2009). Accessibility of amino groups in postsynthetically modified mesoporous silica. The Journal of Physical Chemistry C, 113(24), 10667–10674. https://doi.org/10.1021/jp901983j
Ritter, H. and Brühwiler, D. (2009) ‘Accessibility of amino groups in postsynthetically modified mesoporous silica’, The Journal of Physical Chemistry C, 113(24), pp. 10667–10674. Available at: https://doi.org/10.1021/jp901983j.
H. Ritter and D. Brühwiler, “Accessibility of amino groups in postsynthetically modified mesoporous silica,” The Journal of Physical Chemistry C, vol. 113, no. 24, pp. 10667–10674, 2009, doi: 10.1021/jp901983j.
RITTER, Hanna und Dominik BRÜHWILER, 2009. Accessibility of amino groups in postsynthetically modified mesoporous silica. The Journal of Physical Chemistry C. 2009. Bd. 113, Nr. 24, S. 10667–10674. DOI 10.1021/jp901983j
Ritter, Hanna, and Dominik Brühwiler. 2009. “Accessibility of Amino Groups in Postsynthetically Modified Mesoporous Silica.” The Journal of Physical Chemistry C 113 (24): 10667–74. https://doi.org/10.1021/jp901983j.
Ritter, Hanna, and Dominik Brühwiler. “Accessibility of Amino Groups in Postsynthetically Modified Mesoporous Silica.” The Journal of Physical Chemistry C, vol. 113, no. 24, 2009, pp. 10667–74, https://doi.org/10.1021/jp901983j.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.