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J Magn Reson. 2009 Dec;201(2):239-49. doi: 10.1016/j.jmr.2009.09.019. Epub 2009 Oct 2.

A single-chip array of NMR receivers.

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Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.


We present the first single-chip array of integrated NMR receivers for parallel spectroscopy and imaging. The array, optimized for operation at 300 MHz, is composed of eight separate channels, with each channel consisting of a detection coil, a tuning capacitor, a low noise amplifier and a 50 ohm buffer. As all the integrated electronics are placed underneath the reception coils, the array is densely packed. Each single-channel reception coil has a diameter of 500 microm, resulting in a total active area of 1 mm by 2 mm for the array. The (1)H time-domain spin sensitivity of a single channel is approximately 1x10(15) spins/square root(Hz).

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