Amino acid profiles in inner ear fluids and cerebrospinal fluid.


The levels of 19 amino acids in utricular endolymph, vestibular and cochlear perilymph, and cerebrospinal fluid of guinea pigs were determined using gradient elution reverse phase high performance liquid chromatography of the o-phthaldialdehyde-ethanethiol adducts with fluorescence detection. Aspartate and glutamate were significantly higher in endolymph… (More)


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