Study of Interactions Between Microbes and Minerals by Scanning Transmission X-Ray Microscopy (STXM) | Zendy

Karim Benzerara | Zendy; T. Tyliszczak | Zendy; G. E. Brown | Zendy

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Study of Interactions Between Microbes and Minerals by Scanning Transmission X-Ray Microscopy (STXM)

Author(s) -

Karim Benzerara,

T. Tyliszczak,

G. E. Brown

Publication year - 2007

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.2644644

Subject(s) - microscopy , materials science , transmission electron microscopy , nanotechnology , optoelectronics , optics , chemistry , physics

Scanning Transmission X‐ray Microscopy (STXM) and Transmission Electron Microscopy (TEM) were combined to characterize various samples of geomicrobiological interest down to the nanometer scale. An approach based on energy‐filtered imaging was used to examine microbe‐mineral interactions and the resulting biominerals, as well as biosignatures in simplified laboratory samples. This approach was then applied to natural samples, including natural biofilms entombed in calcium carbonate precipitates and bioweathered silicates and facilitated location of bacterial cells and provided unique insights about their biogeochemical interactions with minerals at the 30–40 nm scale.

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