The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.
Semiquantitative Study of the EDC/NHS Activation of Acid Terminal Groups at Modified Porous Silicon Surfaces
Abstract
Infrared spectroscopy is used to investigate the transformation of carboxyl-terminated alkyl chains immobilized on a surface into succinimidyl ester-terminated chains by reaction with an aqueous solution of N-ethyl-N'-(3-(dimethylamino)propyl)carbodiimide (EDC) and N-hydroxysuccinimide (NHS). The acid chains are covalently grafted at the surface of hydrogenated porous silicon whose large specific surface area allows for assessing the activation yield in a semiquantitative way by infrared (IR) spectroscopy and detecting trace amounts of surface products and/or reaction products of small IR cross section. In this way, we rationalize the different reaction paths and optimize the reaction conditions to obtain as pure as possible succinimidyl ester-terminated surfaces. A diagram mapping the surface composition after activation was constructed by systematically varying the solution composition. Results are accounted for by NHS surface adsorption and a kinetic competition between the various EDC-induced surface reactions.
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Cited by
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Near infrared fluorescent peptide nanoparticles for enhancing esophageal cancer therapeutic efficacy
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Metadata
- Authors
- Sam, S., Touahir, L., Salvador Andresa, J., Allongue, P., Chazalviel, J.-N., Gouget-Laemmel, A. C., Henry de Villeneuve, C., Moraillon, A., Ozanam, F., Gabouze, N., & Djebbar, S.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-09-02
- Volume
- 26
- Issue
- 2
- Pages
- 809-814
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2067313136
- Cited by
- 377
- References
- 25
- FWCI
- 7.10
- Type
- journal article
- Language
- en
- Open access
- closed
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