Nuclear magnetic resonance spectra of hydroxy steroids

Nuclear Magnetic Resonance Spectroscopy (NMR) laboratories provide clients analytical data regarding the type, quantity and arrangement of atoms in chemical systems, liquids and solids. A wide range of samples are tested. Intertek NMR experts provide quality analysis with rapid turnaround times, including overnight NMR services. State-of-the-art NMR labs are located in the USA, UK, Switzerland and Australia, working with clients on a global basis. Services can be offered to Good Laboratory Practice (GLP) or Good Manufacturing Practice (cGMP) if required.

It is of great importance to assign the NOESY peaks to the correct nuclei based on the chemical shifts. If this task is performed manually it is usually very labor-intensive, since proteins usually have thousands of NOESY peaks. Some computer programs such as PASD [9] [10] / XPLOR-NIH , [11] [12] UNIO , [13] CYANA [14] , ARIA [15] / CNS [16] , and AUDANA [17] / PONDEROSA-C/S [18] in the Integrative NMR platform [19] perform this task automatically on manually pre-processed listings of peak positions and peak volumes, coupled to a structure calculation. Direct access to the raw NOESY data without the cumbersome need of iteratively refined peak lists is so far only granted by the PASD [10] algorithm implemented in XPLOR-NIH [11] , the ATNOS/CANDID approach implemented in the UNIO software package [13] , and the PONDEROSA-C/S and thus indeed guarantees objective and efficient NOESY spectral analysis.

Nuclear magnetic resonance spectra of hydroxy steroids

nuclear magnetic resonance spectra of hydroxy steroids

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nuclear magnetic resonance spectra of hydroxy steroidsnuclear magnetic resonance spectra of hydroxy steroidsnuclear magnetic resonance spectra of hydroxy steroidsnuclear magnetic resonance spectra of hydroxy steroidsnuclear magnetic resonance spectra of hydroxy steroids