Using microcontact printing to fabricate microcoils on capillaries for high resolution proton nuclear magnetic resonance on nanoliter volumes


John A. Rogers, Rebecca J. Jackman, George M. Whitesides, Dean L. Olson, and Jonathan V. Sweedler


Applied Physics Letters

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This letter describes a method for producing conducting microcoils for high resolution proton nuclear magnetic resonance (1H-NMR) spectroscopy on nanoliter volumes. This technique uses microcontact printing and electroplating to form coils on microcapillaries. Nuclear magnetic resonance spectra collected using these microcoils, have linewidths less than 1 Hz for model compounds and a limit of detection (signal-to-noise ratio=3) for ethylbenzene of 2.6 nmol in 13 min.

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Date added: 2012-09-26 11:43:37 | Last time updated: 2012-09-26 09:43:37 | Viewed: 811 times

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