English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/82580
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:


Solid-state 2-D double cross polarization magic angle spinning 15N 13C NMR spectroscopy on degraded algal residues

AuthorsKnicker, Heike
KeywordsSolid-state 2-D 15N 13C NMR;
Bloch decay
Refractory organic nitrogen
Degraded algae
Issue DateApr-2000
CitationOrganic Geochemistry 31(4): 337–340 (2000)
AbstractSolid-state 2-D 15N 13C NMR spectroscopy was applied for the first time to reveal the chemical nature of nitrogen in degraded algae. Cross peaks indicating coupling between 13C and 15N were detected only for carboxyl/amide-C and N-substituted-alkyl-C. Cross peaks correlating 15N intensity to sp2-C and supporting the presence of heteroaromatic-N were not observed. The Bloch decay 15N NMR spectrum demonstrated that the lack of pyridine-type-N and/or imine-N signals in the CPMAS 15N NMR spectrum is not caused by inefficient magnetization transfer. The results give further evidence that amide-N in peptide-like structures comprises the major form of nitrogen in degraded algal residues.
Description4 pages, 2 figures, 8 references.
Publisher version (URL)http://dx.doi.org/10.1016/S0146-6380(00)00018-8
Appears in Collections:(IRNAS) Artículos
Files in This Item:
File Description SizeFormat 
Acceso restringido Digital CSIC.pdf20,83 kBAdobe PDFThumbnail
Show full item record
Review this work

Related articles:

WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.