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Biogenic otoconia (ear dust) are composite materials of calcite with about 2 wt.‐% proteins showing an average longitudinal size of about 10 μm. The tiny biomineral particles are situated in the inner ear (in the maculae) and act as sensors for gravity and linear acceleration. Our comparative study of calcite–gelatine composites (grown by double diffusion) and human otoconia is based on decalcification...
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