Alkaline vents recreated in two dimensions to study pH gradients, precipitation morphology, and molecule accumulation
Maximilian Weingart,
Siyu Chen,
Clara Donat
et al.
Abstract:Alkaline vents (AVs) are hypothesized to have been a setting for the emergence of life, by creating strong gradients across inorganic membranes within chimney structures. In the past, three-dimensional chimney structures were formed under laboratory conditions; however, no in situ visualization or testing of the gradients was possible. We develop a quasi–two-dimensional microfluidic model of AVs that allows spatiotemporal visualization of mineral precipitation in low-volume experiments. Upon injection of an al… Show more
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