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|a pubmed24n0566.xml
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|a (DE-627)NLM169869628
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|a (NLM)17455968
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Arafat, Ahmed
|e verfasserin
|4 aut
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|a Covalent biofunctionalization of silicon nitride surfaces
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 11.07.2007
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|a Date Revised 25.09.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Covalently attached organic monolayers on etched silicon nitride (SixN4; x >/= 3) surfaces were prepared by reaction of SixN4-coated wafers with neat or solutions of 1-alkenes and 1-alkynes in refluxing mesitylene. The surface modification was monitored by measurement of the static water contact angle, XPS, IRRAS, AFM, and ToF-SIMS, and evidence for the formation of Si-C bonds is presented. The etching can be achieved by dilute HF solutions and yields both Si-H and N-H moieties. The resulting etched SixN4 surfaces are functionalized by terminal carboxylic acid groups in either of two ways: (a) via attachment of a 10-undecenoic acid 2,2,2-trifluoroethyl ester (trifluoro ethanol ester) and subsequent thermal acid hydrolysis; (b) through attachment of a photocleavable ester, and subsequent photochemical cleavage, as this would allow photopatterned functionalized SixN4. The carboxylic acids are successfully used for the attachment of oligopeptides (aspartame) and complete proteins using EDC/NHS chemistry. Finally, an amino-terminated organic monolayer can be formed by reaction of HF-treated SixN4 surfaces with a N-(omega-undecylenyl)phthalimide, which yields an amino-terminated surface upon deprotection with hydrazine
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Coated Materials, Biocompatible
|2 NLM
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|a Oligopeptides
|2 NLM
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|a Proteins
|2 NLM
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|a Silicon Compounds
|2 NLM
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|a silicon nitride
|2 NLM
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|a QHB8T06IDK
|2 NLM
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|a Giesbers, Marcel
|e verfasserin
|4 aut
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|a Rosso, Michel
|e verfasserin
|4 aut
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|a Sudhölter, Ernst J R
|e verfasserin
|4 aut
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|a Schroën, Karin
|e verfasserin
|4 aut
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|a White, Richard G
|e verfasserin
|4 aut
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|a Yang, Li
|e verfasserin
|4 aut
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|a Linford, Matthew R
|e verfasserin
|4 aut
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|a Zuilhof, Han
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 23(2007), 11 vom: 22. Mai, Seite 6233-44
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:23
|g year:2007
|g number:11
|g day:22
|g month:05
|g pages:6233-44
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|a GBV_ILN_721
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|a AR
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|d 23
|j 2007
|e 11
|b 22
|c 05
|h 6233-44
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