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oai:www.ideals.illinois.edu:2142/21686 2023-07-10 col_2142_5131 col_2142_14789 com_2142_5130 com_2142_14788 com_2142_8903

text Jonas, Jiri Grandinetti, Philip John 2011-05-07T13:16:08Z 2011-05-07T13:16:08Z 10000-01-01 1989 The development of experimental high pressure high resolution $\sp1$H-decoupled $\sp{13}$C NMR spectroscopy is described. The design of an pulsed NMR spectrometer with increased sensitivity and versatility is presented and used in the design and development of a high pressure high resolution double-resonance NMR probe. This new technique is used in the study of two disordered systems under extreme conditions of pressure. The first system is 2-ethylhexylbenzoate, a model elastohydrodynamic lubricant. The second system is L-$\alpha$-dipalmitoyl phosphatidylcholine, a model biomembrane system. Also, the design of a data acquisition system specifically targeted at the study of dynamic processes is described along with a new technique conceived during the development of the data acquisition system that allows a direct determination of the magnetic field gradient used in NMR diffusion studies. Made available in DSpace on 2011-05-07T13:16:08Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 8916253.pdf: 2586737 bytes, checksum: b367d254762a7d1c384ff898c2872465 (MD5) Previous issue date: 1989 Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:52:31Z Item is restricted indefinitely. Restriction data tranferred 2014-07-01T11:24:11-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission ETDs are only available to UIUC Users without author permission U of I Only AAI8916253 (UMI)AAI8916253 http://hdl.handle.net/2142/21686 eng Copyright 1989 Grandinetti, Philip John Chemistry, Physical High pressure carbon-13 NMR studies of dynamics in disordered systems Chemistry Chemistry University of Illinois at Urbana-Champaign Dissertation Ph.D.