27 December 2007 Ultra-small volume interdigital sensors for the measurement of human breast milk
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Abstract
A palm-size interdigital impedance sensor incorporating a 10 μL sample reservoir, temperature sensor and hybrid heater was fabricated to determine the feasibility of measuring macronutrients in ultra-small volumes of human breast milk. Comparisons with previous measurements of homogenized cows milk show excellent agreement with fat measurement. Human breast milk however shows no correlation with fat but a surprising correlation with protein. Our investigations and proposed methods to improve the correlation and measurement accuracy are discussed.
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A. Keating, A. Keating, W. W. Pang, W. W. Pang, C. T. Lai, C. T. Lai, P. Hartmann, P. Hartmann, } "Ultra-small volume interdigital sensors for the measurement of human breast milk", Proc. SPIE 6799, BioMEMS and Nanotechnology III, 67990P (27 December 2007); doi: 10.1117/12.759045; https://doi.org/10.1117/12.759045
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