UCSD SSPPS NMR Facility
Monday, May 5, 2025

Magnetic field drift

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When a new superconducting magnet is brought up to field one of the specifications for assessing it is magnetic field drift. A cryomagn...
Tuesday, March 4, 2025

Sine bell for truncation

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The sine bell is a window function commonly used to enhance the appearance of truncated data, such as often recorded for multidimension...
Monday, February 3, 2025

Gaussian multiplication for resolution enhancement

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When processing NMR data a window function, or apodisation, is typically applied to emphasise or deemphasise certain aspects of the spe...
1 comment:
Tuesday, August 6, 2024

Exponential multiplication for sensitivity enhancement

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When processing NMR data a window function, or apodization, is often applied to the raw data before fourier transformation to enhance t...
1 comment:
Wednesday, June 5, 2024

Sensitivity in reduced diameter tubes

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Sensitivity is the bane of NMR. Spectroscopists are always looking for ways of increasing it, particularly when sample is limited. One ...
2 comments:
Thursday, May 2, 2024

Fill volume for 5 and 3 mm NMR tubes

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While 5mm NMR tubes are the default size for solution NMR, several alternatives are available. For those with less sample 3mm, 1.7mm, a...
1 comment:
Wednesday, April 3, 2024

How much sample do I need for a carbon?

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Probably the most common question I get asked is "How much sample do I need for a carbon?" The answer is - it depends on the ...
1 comment:
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Brendan Duggan
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