Smectite interactions with flavomononucleotide |
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| Authors: | Mortland M M Lawless J G Hartman H Frankel R |
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| Institution: | Department of Crop and Soil Sciences, Michigan State University, East Lansing 48824, USA. |
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| Abstract: | Adsorption isotherms and UV-visible and Mossbauer spectroscopic data point to specific interactions between flavomononucleotide (FMN) and Fe(3+)-smectite. The maximum amount of FMN adsorption was 0.3 mmole/g of Fe(3+)-smectite giving a 1:1 molar proportion of Fe3+ and FMN. The results suggest a Fe(3+)-FMN complex residing at the smectite surface. Other homoionic smectites (Cu2+, Zn2+, and Ca2+) exhibited lower levels of adsorption and less apparent specific interaction. |
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