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Ink-jet printing has been used to fabricate paper strips for the direct measurement of Fe(II) ions by means of a solid-state colorimetric assay. Toward this end, 2,$2^{\prime }$ -bipyridyl dye entrapped in a Nafion matrix was used and subsequently immobilized onto the paper strips. An apparatus for the simple readout of the paper strips, comprising a CMOS camera that allows to acquire Red, Green...
A new atomic layer deposition (ALD) process for nanocrystalline tin dioxide films is developed and applied for the coating of nanostructured materials. This approach, which is adapted from non‐hydrolytic sol‐gel chemistry, permits the deposition of SnO2 at temperatures as low as 75 °C. It allows the coating of the inner and outer surface of multiwalled carbon nanotubes with a highly conformal film...
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