Structural comparison of apomyoglobin and metaquomyoglobin: pH titration of histidines by NMR spectroscopy

Biochemistry ◽  
1992 ◽  
Vol 31 (28) ◽  
pp. 6481-6491 ◽  
Author(s):  
Melanie J. Cocco ◽  
Yung Hsiang Kao ◽  
Allen T. Phillips ◽  
Juliette T. J. Lecomte
Keyword(s):  
Nmr Spectroscopy ◽  
Structural Comparison ◽  
Ph Titration

ChemInform Abstract: Structural Comparison of Oligoribonucleotides and Their 2′-Deoxy-2′- fluoro Analogues by Heteronuclear NMR Spectroscopy.

ChemInform ◽  
2010 ◽  
Vol 28 (50) ◽  
pp. no-no
Author(s):  
B. REIF ◽  
V. WITTMANN ◽  
H. SCHWALBE ◽  
C. GRIESINGER ◽  
K. WOERNER ◽  
...  
Keyword(s):  
Nmr Spectroscopy ◽  
Heteronuclear Nmr ◽  
Structural Comparison ◽  
Heteronuclear Nmr Spectroscopy

scholarly journals Structural Comparison of Oligoribonucleotides and Their 2′-Deoxy-2′-fluoro Analogs by heteronuclear NMR spectroscopy

1997 ◽  
Vol 80 (6) ◽  
pp. 1952-1971 ◽  
Author(s):  
Bernd Reif ◽  
Valentin Wittmann ◽  
Harald Schwalbe ◽  
Christian Griesinger ◽  
Karlheinz Wörner ◽  
...  
Keyword(s):  
Nmr Spectroscopy ◽  
Heteronuclear Nmr ◽  
Structural Comparison ◽  
Heteronuclear Nmr Spectroscopy

1H NMR determination of urinary betaine in patients with premature vascular disease and mild homocysteinemia

1995 ◽  
Vol 41 (2) ◽  
pp. 275-283 ◽  
Author(s):  
P Lundberg ◽  
N P Dudman ◽  
P W Kuchel ◽  
D E Wilcken
Keyword(s):  
Nmr Spectroscopy ◽  
Vascular Disease ◽  
1H Nmr ◽  
Proton Nuclear Magnetic Resonance ◽  
Ph Titration ◽  
One Dimensional ◽  
Pertinent Data ◽  
Spectral Peaks ◽  
Normal Controls

Abstract Urinary N,N,N-trimethylglycine (betaine) and N,N-dimethylglycine (DMG) have been identified and quantified for clinical purposes by proton nuclear magnetic resonance (1H NMR) measurement in previous studies. We have assessed these procedures by using both one-dimensional (1-D) and 2-D NMR spectroscopy, together with pH titration of urinary extracts to help assign 1H NMR spectral peaks. The betaine calibration curve linearity was excellent (r = 0.997, P = 0.0001) over the concentration range 0.2-1.2 mmol/L, and CVs for replicate betaine analyses ranged from 7% (n = 10) at the lowest concentration to 1% (n = 9) at the highest. The detection limit for betaine was < 15 mumol/L. Urinary DMG concentrations were substantially lower than those of betaine. Urinary betaine and DMG concentrations measured by 1H NMR spectroscopy from 13 patients with premature vascular disease and 17 normal controls provided clinically pertinent data. We conclude that 1H NMR provides unique advantages as a research tool for determination of urinary betaine and DMG concentrations.

scholarly journals Ferrous Iron Binding Key to Mms6 Magnetite Biomineralisation: A Mechanistic Study to Understand Magnetite Formation Using pH Titration and NMR Spectroscopy

2016 ◽  
Vol 22 (23) ◽  
pp. 7885-7894 ◽  
Author(s):  
Andrea E. Rawlings ◽  
Jonathan P. Bramble ◽  
Andrea M. Hounslow ◽  
Michael P. Williamson ◽  
Amy E. Monnington ◽  
...  
Keyword(s):  
Nmr Spectroscopy ◽  
Ferrous Iron ◽  
Mechanistic Study ◽  
Iron Binding ◽  
Ph Titration ◽  
Magnetite Formation
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