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Robust NMR water signal suppression for demanding analytical applications Open Access

We describe the design and application of robust, general-purpose water signal suppression pulse sequences well suited to chemometric work. Such pulse sequences need to deal well with pulse mis-calibrations, radiation damping, chemical exchange, and the presence of sample inhomogeneities, as well as with significant variations in sample characteristics such as pH, ionic strength, relaxation characteristics and molecular weight. Of course, such pulse sequences should produce un- distorted lineshapes and baselines and work well both under automation and in the hands of non-experts. As an example, one such pulse sequences, Robust-5, will be presented. This new pulse sequence meets those criteria and is able to reduce a 50 M proteo water signal down to a 0.9 mM level, without fiine tuning, and under automation, and it is therefore well suited to the most demanding of analytical applications.

Descriptions

Resource type
Dataset
Contributors
Contact person: Aguilar, Juan A. 1
Creator: Aguilar, Juan A. 1
Creator: Kenwright, Simon J. 1
1 Durham University, UK
Funder
Research methods
Nuclear Magnetic Resonance
Other description
Keyword
NMR
Nuclear Magnetic Resonance
Solvent signal suppression
Robust
Perfect echo
Subject
Nuclear Magnetic Resonance
Location
Language
English
Cited in
Identifier
doi:10.15128/1831cj937
ark:/32150/1831cj937
Rights
All rights reserved All rights reserved
Publisher
Durham University
Date Created

File Details

Depositor
J.A. Aguilar Malavia
Date Uploaded
Date Modified
17 May 2016, 14:05:20
Audit Status
passing
Characterization
File format: x-rar (RAR archive data, v1d, os: Win32, RAR, RAR archive)
Mime type: application/x-rar
File size: 77792096
Last modified: 2015:11:06 10:03:52+00:00
Filename: Robust_5_data.rar
Original checksum: a7fcb33a94c939d860485b17b13a5708
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User S. Palucha has updated Robust NMR water signal suppression for demanding analytical applications over 3 years ago
User S. Palucha has updated Robust NMR water signal suppression for demanding analytical applications over 3 years ago