Journal Article

PreJuSER-5522

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Interactions between 2-Aminobenzothiazole and Natural Organic Matter as Evidenced by CPMAS Nitrogen-15 NMR Spectroscopy

Berns, A. E.FZJ* ; Conte, P. ; Philipp, H.FZJ* ; Witte, E. G.FZJ* ; Lewandowski, H.FZJ*

2009
SSSA Madison, Wis.

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Please use a persistent id in citations: doi:10.2136/vzj2008.0026

Abstract: Cross-polarization magic angle spinning (CPMAS) N-15 nuclear magnetic c resonance (NMR) spectroscopy was used to study the interactions between 2-aminobenzothiazole (ABT) and natural organic matt er in the presence of the natural laccase and synthetic air. Through the use of synthesized model compounds, we were able to confirm previous findings by CPMAS C-13 NMR spectroscopy that showed the formation of covalent amide bonds. We also provide evidence of the presence of two additional H bonds between ABT and the natural organic matter. Both H bonds involved amino and thiazole groups of ABT.

Keyword(s): J

Note: We are grateful to Dr. Hans-Dieter Narres for his very helpful suggestions. Many thanks to Dr. Sabine Willbold for recording the liquidstate <SUP>1</SUP>H and <SUP>13</SUP>C NMR spectra. We also gratefully acknowledge the technical assistance of DI Manfred Michulitz (ZCH, Forschungszentrum Julich GmbH). P. Conte acknowledges Forschungszentrum Julich GmbH for having hosted him as visiting scientist.

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Research Program(s):

1. Terrestrische Umwelt (P24)

Appears in the scientific report 2009

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