scholarly journals A dual-isotope-labeling method of studying the bioavailability of hexaglutamyl folic acid relative to that of monoglutamyl folic acid in humans by using multiple orally administered low doses

2006 ◽  
Vol 84 (5) ◽  
pp. 1128-1133 ◽  
Author(s):  
Alida Melse-Boonstra ◽  
Petra Verhoef ◽  
Clive E West ◽  
Johannes A van Rhijn ◽  
Richard B van Breemen ◽  
...  
Keyword(s):  
Folic Acid ◽  
Isotope Labeling ◽  
Low Doses ◽  
Dual Isotope ◽  
Labeling Method

A Chemical Study of Photo-CVD of Silicon Nitride in Mercury-Sensitized Reactions Between Silane and Ammonia

1987 ◽  
Vol 101 ◽  
Author(s):  
Ching-Hsong Wu
Keyword(s):  
Silicon Nitride ◽  
Gas Phase ◽  
Isotope Labeling ◽  
Chemical Study ◽  
Chemical Processes ◽  
Chemical Characteristics ◽  
Experimental Conditions ◽  
Transient Intermediates ◽  
Labeling Method ◽  
Phase Chemical

ABSTRACTA photochemical system of mercury-sensitized reactions between silane and ammonia was studied to elucidate the gas-phase chemical processes involved in photo-CVD of silicon nitride. Several transient intermediates were detected and identified as silylated amines by the mass spectrometric isotope labeling method. These compounds containing both Si and N atoms appeared to be the precursors of silicon nitride. The chemical characteristics of silylated amines were studied under different experimental conditions. The reactivity and possible reaction paths for the formation of silylamine are discussed.

Oxygen isotope labeling method and oxygen reduction reaction mechanism of an SOFC cathode

2014 ◽  
Vol 262 ◽  
pp. 392-397 ◽  
Author(s):  
Mina Nishi ◽  
Harumi Yokokawa ◽  
Haruo Kishimoto ◽  
Katsuhiko Yamaji ◽  
Teruhisa Horita
Keyword(s):  
Reaction Mechanism ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Oxygen Isotope ◽  
Isotope Labeling ◽  
Reduction Reaction ◽  
Sofc Cathode ◽  
Labeling Method
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