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Simple method for the fabrication of 1-hydroxypyrene-imprinted TiO2 gel nanofilms

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Title: Simple method for the fabrication of 1-hydroxypyrene-imprinted TiO2 gel nanofilms
Authors: Yang, Do-Hyeon1, Ham, Young Rok2, Oh, Mee-Hye1, Yoon, Yeo Seong1, Shin, Jae Sup2, Kim, Yong-Dae3 ydkim@chungbuk.ac.kr, Kim, Heon3
Source: Current Applied Physics. Mar2009 Supplement, Vol. 9 Issue 2, pe136-e139. 0p.
Subjects: Microfabrication, Pyrene, Titanium dioxide films, Nanostructured materials, Surface coatings, Chemical templates, Benzoic acid
Abstract: Abstract: In this study, 1-hydroxypyrene (1-OHP)-imprinted TiO2 gel films were prepared by spin coating. Incorporation of the template molecules and their removal were confirmed by UV–vis absorption spectra measurements. Guest selectivity of the 1-OHP-imprinted TiO2 film was estimated to be 1.6, 1.9, and 1.4 against benzoic acid (BA), 1-naphthol (1-NA), and 4-(phenylazo)benzoic acid (4-PABA)-imprinted TiO2 film, respectively. The 1-OHP-imprinted films demonstrated greater binding to 1-OHP than the reference imprinted films. Similar results were obtained with the BA, 1-NA, and 4-PABA-imprinted films, and their guest selectivity against the reference imprinted films amounted to 1.2–3.1 times greater. This result suggests that the binding cavity of the imprinted TiO2 gel matrices discriminates between molecular size, shape, and functional groups. Although much improvement is still needed, this imprinting process is a simple, useful, and less time-consuming way to prepare discriminative receptor cavities. [Copyright &y& Elsevier]
Copyright of Current Applied Physics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 41684060
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Simple method for the fabrication of 1-hydroxypyrene-imprinted TiO<subscript>2</subscript> gel nanofilms
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  Data: <searchLink fieldCode="AR" term="%22Yang%2C+Do-Hyeon%22">Yang, Do-Hyeon</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ham%2C+Young+Rok%22">Ham, Young Rok</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Oh%2C+Mee-Hye%22">Oh, Mee-Hye</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yoon%2C+Yeo+Seong%22">Yoon, Yeo Seong</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Shin%2C+Jae+Sup%22">Shin, Jae Sup</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kim%2C+Yong-Dae%22">Kim, Yong-Dae</searchLink><relatesTo>3</relatesTo><i> ydkim@chungbuk.ac.kr</i><br /><searchLink fieldCode="AR" term="%22Kim%2C+Heon%22">Kim, Heon</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Current+Applied+Physics%22">Current Applied Physics</searchLink>. Mar2009 Supplement, Vol. 9 Issue 2, pe136-e139. 0p.
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  Data: <searchLink fieldCode="DE" term="%22Microfabrication%22">Microfabrication</searchLink><br /><searchLink fieldCode="DE" term="%22Pyrene%22">Pyrene</searchLink><br /><searchLink fieldCode="DE" term="%22Titanium+dioxide+films%22">Titanium dioxide films</searchLink><br /><searchLink fieldCode="DE" term="%22Nanostructured+materials%22">Nanostructured materials</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+coatings%22">Surface coatings</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+templates%22">Chemical templates</searchLink><br /><searchLink fieldCode="DE" term="%22Benzoic+acid%22">Benzoic acid</searchLink>
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  Data: Abstract: In this study, 1-hydroxypyrene (1-OHP)-imprinted TiO2 gel films were prepared by spin coating. Incorporation of the template molecules and their removal were confirmed by UV–vis absorption spectra measurements. Guest selectivity of the 1-OHP-imprinted TiO2 film was estimated to be 1.6, 1.9, and 1.4 against benzoic acid (BA), 1-naphthol (1-NA), and 4-(phenylazo)benzoic acid (4-PABA)-imprinted TiO2 film, respectively. The 1-OHP-imprinted films demonstrated greater binding to 1-OHP than the reference imprinted films. Similar results were obtained with the BA, 1-NA, and 4-PABA-imprinted films, and their guest selectivity against the reference imprinted films amounted to 1.2–3.1 times greater. This result suggests that the binding cavity of the imprinted TiO2 gel matrices discriminates between molecular size, shape, and functional groups. Although much improvement is still needed, this imprinting process is a simple, useful, and less time-consuming way to prepare discriminative receptor cavities. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Current Applied Physics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.cap.2008.12.043
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        Text: English
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      – SubjectFull: Pyrene
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      – SubjectFull: Titanium dioxide films
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      – SubjectFull: Nanostructured materials
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      – SubjectFull: Surface coatings
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      – SubjectFull: Chemical templates
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      – SubjectFull: Benzoic acid
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      – TitleFull: Simple method for the fabrication of 1-hydroxypyrene-imprinted TiO2 gel nanofilms
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            NameFull: Shin, Jae Sup
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              Text: Mar2009 Supplement
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              Y: 2009
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