Coupling Reagent for UV/vis Absorbing Azobenzene-Based Quantitative Analysis of the Extent of Functional Group Immobilization on Silica

Ra Young Choi; Chang Hee Lee; Chul Ho Jun

doi:10.1021/acs.orglett.8b01016

Coupling Reagent for UV/vis Absorbing Azobenzene-Based Quantitative Analysis of the Extent of Functional Group Immobilization on Silica

Ra Young Choi, Chang Hee Lee, Chul Ho Jun

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A methallylsilane coupling reagent, containing both a N-hydroxysuccinimidyl(NHS)-ester group and a UV/vis absorbing azobenzene linker undergoes acid-catalyzed immobilization on silica. Analysis of the UV/vis absorption band associated with the azobenzene group in the adduct enables facile quantitative determination of the extent of loading of the NHS groups. Reaction of NHS-groups on the silica surface with amine groups of GOx and rhodamine can be employed to generate enzyme or dye-immobilized silica for quantitative analysis.

Original language	English
Pages (from-to)	2972-2975
Number of pages	4
Journal	Organic Letters
Volume	20
Issue number	10
DOIs	https://doi.org/10.1021/acs.orglett.8b01016
Publication status	Published - 2018 May 18

Bibliographical note

Funding Information:
This work was supported by a grant from the National Research Foundation of Korea (NRF) (Grant 2016-R-1-A2b4009460).

Publisher Copyright:
© 2018 American Chemical Society.

All Science Journal Classification (ASJC) codes

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry

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title = "Coupling Reagent for UV/vis Absorbing Azobenzene-Based Quantitative Analysis of the Extent of Functional Group Immobilization on Silica",

abstract = "A methallylsilane coupling reagent, containing both a N-hydroxysuccinimidyl(NHS)-ester group and a UV/vis absorbing azobenzene linker undergoes acid-catalyzed immobilization on silica. Analysis of the UV/vis absorption band associated with the azobenzene group in the adduct enables facile quantitative determination of the extent of loading of the NHS groups. Reaction of NHS-groups on the silica surface with amine groups of GOx and rhodamine can be employed to generate enzyme or dye-immobilized silica for quantitative analysis.",

author = "Choi, {Ra Young} and Lee, {Chang Hee} and Jun, {Chul Ho}",

note = "Funding Information: This work was supported by a grant from the National Research Foundation of Korea (NRF) (Grant 2016-R-1-A2b4009460). Publisher Copyright: {\textcopyright} 2018 American Chemical Society.",

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doi = "10.1021/acs.orglett.8b01016",

language = "English",

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journal = "Organic Letters",

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AU - Choi, Ra Young

AU - Lee, Chang Hee

AU - Jun, Chul Ho

PY - 2018/5/18

Y1 - 2018/5/18

N2 - A methallylsilane coupling reagent, containing both a N-hydroxysuccinimidyl(NHS)-ester group and a UV/vis absorbing azobenzene linker undergoes acid-catalyzed immobilization on silica. Analysis of the UV/vis absorption band associated with the azobenzene group in the adduct enables facile quantitative determination of the extent of loading of the NHS groups. Reaction of NHS-groups on the silica surface with amine groups of GOx and rhodamine can be employed to generate enzyme or dye-immobilized silica for quantitative analysis.

AB - A methallylsilane coupling reagent, containing both a N-hydroxysuccinimidyl(NHS)-ester group and a UV/vis absorbing azobenzene linker undergoes acid-catalyzed immobilization on silica. Analysis of the UV/vis absorption band associated with the azobenzene group in the adduct enables facile quantitative determination of the extent of loading of the NHS groups. Reaction of NHS-groups on the silica surface with amine groups of GOx and rhodamine can be employed to generate enzyme or dye-immobilized silica for quantitative analysis.

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JO - Organic Letters

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Coupling Reagent for UV/vis Absorbing Azobenzene-Based Quantitative Analysis of the Extent of Functional Group Immobilization on Silica

Abstract

Bibliographical note

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