Browsing by Author "Vali H."
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Browsing by Author "Vali H."
Now showing items 1-7 of 7
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Romanek C.S.; Zhang C.L.; Li Y.; Horita J.; Vali H.; Cole D.R.; Phelps T.J. (2003)Shewanella putrefaciens strain CN-32 and Shewanella algae strain BrY were grown in laboratory cultures at 30 °C to characterize carbon and hydrogen isotope fractionation patterns related to the growth of iron-reducing ...
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Shata S.; Hesse R.; Martin R.F.; Vali H. (2003)In mixed-layer illite/smectite containing >80% illite, the presence of an expandable component and changes in its abundance are difficult or impossible to detect with the X-ray diffraction (XRD) method using conventional ...
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Zhang C.; Vali H.; Romaner C.S.; Phelps T.J.; Liu S.V. (1998)Magnetite is a common product of bacterial iron reduction and may serve as a potential physical indicator of biological activity in geological settings. Here we report the formation of single-domain magnetite under laboratory ...
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Li Y.-L.; Zhang C.L.; Vali H.; Sears S.K.; Yang J.; Deng B. (2004)Iron-rich clay minerals are abundant in the natural environment and are an important source of iron for microbial metabolism. The objective of this study was to understand the mechanism(s) of enhanced reduction of Fe(III) ...
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Temmam M.; Paquette J.; Vali H. (2000)During spiral growth of the calcite rhombohedron {1014}, divalent metals substituting for Ca2+ are differentially incorporated due to steric differences inherent to the asymmetric kink sites exposed at nonequivalent growth ...
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Vali H.; McKee M.D.; Ciftcioglu N.; Sears S.K.; Plows F.L.; Chevet E.; Ghiabi P.; Plavsic M.; Kajander E.O.; Zare R.N. (2001)Controversy surrounds the interpretation of various nano-phenomena as being living organisms. Incubation of fetal bovine serum under standard cell culture conditions results in the formation of free entities in solution, ...
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Paquette J.; Vali H.; Mucci A. (1996)The surface microtopography of synthetic magnesian calcite overgrowths on calcite powders was imaged on Pt-C replicas by transmission electron microscopy. The overgrowths were precipitated at room temperature under ...
Now showing items 1-7 of 7