Zobrazeno 1 - 8
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pro vyhledávání: '"Ping Y. Leung"'
Autor:
Constance S. Tsao, Ping Y. Leung
Publikováno v:
Journal of Chromatography B: Biomedical Sciences and Applications. 576:245-254
A systematic method is described for the optimization of a mobile phase for the simultaneous determination of 24 neurochemicals consisting of catecholamine, serotonin, their precursors and metabolites and related materials. This mobile phase containe
Autor:
Ping Y. Leung, Constance S. Tsao
Publikováno v:
Nutrition Research. 9:1371-1379
The effect of ascorbic acid intake on tissue levels of ascorbic acid, dehydroascorbic acid and the ratio of dehydroascorbic acid to ascorbic acid in mice was studied. In general, the trend of changes in tissue concentrations was: ascorbic acid > dehy
Autor:
Ping Y. Leung, Louis K. Peterson
Publikováno v:
Journal of Organometallic Chemistry. 219:409-420
The complexes [(LL)Rh(C 2 H 4 )Cl] x (I), [(LL)(Rh(cod)Cl) 2 ] (II), [(MeLL)Rh(C 2 H 4 ) 2 Cl] (III) and [(MeLL)Rh(cod)] + Cl − (IV) have been prepared via the reactions of the bis-(pyrazolyl)phenylmethane ligands PhCH(H 2 pz) 2 (LL; H 2 pz = pyraz
Publikováno v:
The Journal of Nutrition. 117:291-297
The effect of graded levels of dietary ascorbic acid on blood and tissue ascorbic acid levels in mice has been studied. Six levels of dietary ascorbic acid (0, 0.076, 0.5, 1, 5 and 8%) were used. Plasma ascorbic acid rose as dietary ascorbic acid int
Urinary Ascorbic Acid Levels Following the Withdrawal of Large Doses of Ascorbic Acid in Guinea Pigs
Autor:
Ping Y. Leung, Constance S. Tsao
Publikováno v:
The Journal of Nutrition. 118:895-900
Male guinea pigs received sodium ascorbate solution [equivalent to 1 g ascorbic acid/(kg body weight.d)] by intraperitoneal injection for 4 wk. During the ascorbic acid treatment period, plasma and urinary ascorbic acid levels rose markedly. Three we
Publikováno v:
Inorganica Chimica Acta. 47:63-65
The reactions of diphenyl(3,5-dimethylpyrazolyl)- phosphine (LL) with [(nbd)M(CO)4] (nbd = norbornadiene, M = Mo, W) and with [(CH3CN)2W(CO)4] under mild conditions proceed in a stepwise fashion to yield a mixture of products in equilibrium. The four
Publikováno v:
Journal of nutritional science and vitaminology. 32(4)
The long-term and short-term influence of large oral doses of ascorbic acid on the urinary excretion of calcium has been investigated. In the first experiment, daily doses of a total of 10 g of ascorbic acid were administered to healthy human subject
Publikováno v:
Inorganica Chimica Acta. 48:259-260
The coordinatively unsaturated species [PhP(Me 2 pz) 2 M(CO) 3 ] (Me 2 pz = 3,5-dimethylpyrazolyl; M = Mo, I; M = W, II) react reversibly with CO, and irreversibly with H 2 , C 2 H 4 , P(OMe) 3 and PF 3 , but not with N 2 and Ph 3 P. The tricarbonyl/