期刊
ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES
卷 37, 期 -, 页码 367-391出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev.earth.36.031207.124346
关键词
biofilm; XANES; EXAFS; STXM; X-ray microprobe
资金
- NSF [OCE-0433629]
- David and Lucille Packard Foundation
The field of geomicrobiology has embraced efforts to define and quantify the role of microbial organisms in low-temperature geochemical processes. However, any mechanistic understanding of the interactions between microbial organisms and minerals of metals requires analytical tools with the appropriate chemical sensitivity and spatial resolution. In the past several years, increasing application of nanometer-, micron-, and bulk-scale synchrotron-based X-ray techniques has provided new insights regarding the feedbacks among microbial growth, mineral dissolution, redox transformation, and biomineralization processes. In this review, recent findings derived from X-ray absorption spectroscopy, X-ray microprobe mapping, and X-ray microscopy studies are integrated to provide a new view of the dynamic biogeochemistry occuring at at the microbe-mineral interface.
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