CONSTRUCTION OF A PROTOTYPE LABORATORY-BUILT DESKTOP NMR SPECTROMETER
A hardware system for a laboratory-built desktop nuclear magnetic resonance (NMR) spectrometer was constructed with a module design based on single-phase detection architecture. This spectrometer features an operating frequency of DC to 100 MHz, RF pulse power of 0.7244 mW to 1.2589 W, minimum detec...
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| Published in: | Instrumentation science & technology Vol. 39; no. 1; pp. 47 - 62 |
|---|---|
| Main Authors: | , , , , |
| Format: | Journal Article |
| Language: | English |
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Taylor & Francis Group
31.01.2011
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| ISSN: | 1073-9149, 1525-6030 |
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| Abstract | A hardware system for a laboratory-built desktop nuclear magnetic resonance (NMR) spectrometer was constructed with a module design based on single-phase detection architecture. This spectrometer features an operating frequency of DC to 100 MHz, RF pulse power of 0.7244 mW to 1.2589 W, minimum detectable signal of 1.5136 × 10
−10
mW, and receiver bandwidth of 20 kHz. Verification of the functional feasibility of NMR detection was implemented using a 30-mL custom probe in a 0.23-T magnetic field. A baseband free induction decay was also acquired through the application of an RF pulse at 1 W for 10 μs. The observed initial amplitude and frequency of the MR signal are 1.47 V and 1.25 kHz, respectively. Meanwhile, the effective transverse relaxation time (
) for this configuration declines to no more than 15 ms because no shimming treatments were taken. The proposed desktop NMR spectrometer is suitable for building a hand-made NMR spectrometer in the laboratory, and enhances opportunities for novel and exciting NMR experiments. |
|---|---|
| AbstractList | A hardware system for a laboratory-built desktop nuclear magnetic resonance (NMR) spectrometer was constructed with a module design based on single-phase detection architecture. This spectrometer features an operating frequency of DC to 100 MHz, RF pulse power of 0.7244 mW to 1.2589 W, minimum detectable signal of 1.5136 × 10
−10
mW, and receiver bandwidth of 20 kHz. Verification of the functional feasibility of NMR detection was implemented using a 30-mL custom probe in a 0.23-T magnetic field. A baseband free induction decay was also acquired through the application of an RF pulse at 1 W for 10 μs. The observed initial amplitude and frequency of the MR signal are 1.47 V and 1.25 kHz, respectively. Meanwhile, the effective transverse relaxation time (
) for this configuration declines to no more than 15 ms because no shimming treatments were taken. The proposed desktop NMR spectrometer is suitable for building a hand-made NMR spectrometer in the laboratory, and enhances opportunities for novel and exciting NMR experiments. |
| Author | Ming, Wang Xiao, Yin Tao, Song Xiaonan, Li Wenhui, Yang |
| Author_xml | – sequence: 1 givenname: Li surname: Xiaonan fullname: Xiaonan, Li organization: Graduate University of Chinese Academy of Sciences – sequence: 2 givenname: Yin surname: Xiao fullname: Xiao, Yin organization: Graduate University of Chinese Academy of Sciences – sequence: 3 givenname: Wang surname: Ming fullname: Ming, Wang email: wangming@mail.ice.ac.cn organization: Institute of Electrical Engineering, Chinese Academy of Sciences – sequence: 4 givenname: Song surname: Tao fullname: Tao, Song organization: Institute of Electrical Engineering, Chinese Academy of Sciences – sequence: 5 givenname: Yang surname: Wenhui fullname: Wenhui, Yang organization: Institute of Electrical Engineering, Chinese Academy of Sciences |
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| Cites_doi | 10.1109/T-AIEE.1928.5055024 10.1007/s10334-008-0111-9 10.1016/j.jmr.2009.09.007 10.1007/978-1-4020-6538-5 |
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| Title | CONSTRUCTION OF A PROTOTYPE LABORATORY-BUILT DESKTOP NMR SPECTROMETER |
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