Results 271 to 280 of about 581,535 (297)

Synthesis of R‐[N‐methyl‐13C]SKF 82957 from [13C]methyl iodide and [13C]methyl triflate

Journal of Labelled Compounds and Radiopharmaceuticals, 2000
Jean N. Dasilva, Timothy E. Burrow, Alan A. Wilson, Sylvain Houle   +3 more
openaire   +1 more source

Observation of 13C13C couplings with enhanced sensitivity

Journal of Magnetic Resonance (1969), 1982
Ole W. Sørensen, Ray Freeman, Thomas Frenkiel, Thomas H. Mareci, Regina Schuck   +4 more
openaire   +1 more source

13C-13C coupling constants in a series of 13C-enriched amino acids.

Journal of the American Chemical Society, 1974
J A, Sogn, L C, Craig, W A, Gibbons
openaire   +1 more source

13C-NMR

1986
Ernö Pretsch, Thomas Clerc, Joseph Seibl, Wilhelm Simon   +3 more
openaire   +1 more source

13C13C dipolar interactions as a relaxation mechanism

Journal of Magnetic Resonance (1969), 1974
Charles G Moreland, F.I Carroll
openaire   +1 more source

13C-Kernresonanzspektroskopie

1981
Ernö Pretsch, Thomas Clerc, Joseph Seibl, Wilhelm Simon   +3 more
openaire   +1 more source

CAMPYLOBACTER PYLORI DETECTED NONINVASIVELY BY THE 13C-UREA BREATH TEST

Lancet, The, 1987
exaly  

Isotope-selective non-dispersive infrared spectrometry for detection of Helicobacter pylori infection with 13C-urea breath test

Lancet, The, 1995
exaly  

13C-NMR

1983
Ernö Pretsch, Thomas Clerc, Joseph Seibl, Wilhelm Simon   +3 more
openaire   +1 more source

Tree cellulose 13C/12C isotope ratios and climatic change

Nature, 1987
exaly