✦ LIBER ✦

Study of the demethylation of [1,3,7-Me-13C] caffeine in man using respiratory exchange measurements

✍ Scribed by M. J. Arnaud; A. Thelin-Doerner; E. Ravussin; K. J. Acheson

Book ID: 101754670
Publisher: John Wiley and Sons
Year: 1980
Tongue: English
Weight: 384 KB
Volume: 7
Category: Article
ISSN: 1076-5174
DOI: 10.1002/bms.1200071113

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Study of different association processes

Study of different association processes in the bicyclo[3.2.1]octan-3-ol series by 13C relaxation time measurements

✍ J. P. Zahra; B. Waegell; R. Faure; E. J. Vincent 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 English ⚖ 402 KB 👁 1 views

## Abstract The measurements of __T__~1~ relaxation times in ^13^C NMR spectroscopy are used to determine solute‐solvent interactions. __endo__‐ and __exo__‐Bicyclo[3.2.1]octan‐3‐ol and the corresponding bromohydrins are used as substrates. In a non‐polar solvent, such as cyclohexane, solute‐solven

Study of molecular motions and 14N quadr

Study of molecular motions and 14N quadrupolar coupling in 1,3- and 1,4- diethylpyridinium bromides using 13C and 14N relaxation time measurements

✍ Denis Ghesquière; Claude Chachaty 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 218 KB

## Abstract The internal and overall motions of 1,3‐ and 1,4‐diethylpyridinium bromides have been studied by ^13^C relaxation. The enthalpies of activation for the rotation of the ethyl groups in positions 1 and 3 are deduced from the temperature dependence of the __T__~1~ values of the methylene a

Placental transfer of the major caffeine

Placental transfer of the major caffeine metabolite in the rat using 6-amino-5[N-formylmethylamino]1,3[Me-14C]-dimethyluracil administered orally or intravenously to the pregnant rat

✍ Arnaud, Maurice J.; Bracco, Ingrid; Sauvageat, Jean-Luc; Clerc, Marie-France 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 978 KB

Ion-dipole interactions of macrocyclic e

Ion-dipole interactions of macrocyclic ethers using13C dipole-dipole relaxation time measurements. Part XI: The complexation of 1,4,7,10,13,16-hexaoxa-2,6-dioxocyclooctadecane with Ca2+in CD3OH

✍ Çakil Erk 📂 Article 📅 1996 🏛 Springer Netherlands 🌐 English ⚖ 326 KB

13C CP/MAS NMR study of a phenyl group r

13C CP/MAS NMR study of a phenyl group rotation in the solid state using T1ρ, lineshape and 2D EXSY measurements

✍ Frank G. Riddell; Murray Bremner; John H. Strange 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 316 KB

## Abstract A combination of solid‐state ^13^C CP/MAS NMR methods was used to study the rates of rotation of the phenyl group in 3,5‐dimethyl‐1‐phenylhex‐1‐yn‐3‐ol. The methods used were __T__~1ρ~ measurements, lineshape analysis and 2D exchange spectroscopy over the temperature range 219–284 K. Th

The study of structural relaxation kinet

The study of structural relaxation kinetics in amorphous alloy Fe73.5Nb3Cu1Si13.5B9 using Curie temperature measurements

✍ E.V. Kaevitser; S.D. Kaloshkin; B.V. Jalnin; V.V. Tcherdyntsev; Yu.V. Baldokhin 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 205 KB

The structural relaxation and the initial stage of crystallization of rapidly quenched finemet-type Fe 73.5 Nb 3 Cu 1 Si 13.5 B 9 alloy were studied using both continuous heating and isothermal differential scanning calorimetry (DSC). It is found that Curie temperature of amorphous phase T A c incre