Abstract
Lambert et al. (Reports, 19 February 2010, p. 984) reported that silicate ions catalyze the formation and stabilization of four- and six-carbon sugars from simple sugars, suggesting a possible prebiotic pathway for the synthesis of biologically important sugars. Here, we show that silicate has minimal impact in these respects, especially when compared to borate minerals.
MeSH terms
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Acetaldehyde / analogs & derivatives
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Acetaldehyde / chemistry
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Arabinose / chemical synthesis*
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Arabinose / chemistry
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Borates / chemistry
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Carbohydrates / chemical synthesis*
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Carbohydrates / chemistry
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Chemical Phenomena
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Glyceraldehyde / chemistry
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Hydrogen-Ion Concentration
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Mass Spectrometry
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Ribose / chemistry
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Silicates / chemistry*
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Spectrometry, Mass, Electrospray Ionization
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Temperature
Substances
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Borates
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Carbohydrates
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Silicates
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Glyceraldehyde
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Ribose
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formose sugars
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Arabinose
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Acetaldehyde
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sodium silicate
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glycolaldehyde