The metabolism of exogenous uridine, uridine 5’-monophosphate, and uracil by rat liver slices was studied using in vitro superfusion systems. Mixtures of 3Hand 14Clabeled uridine, uridine 5’-monophosphate, uracil, and erotic acid were superfused at a constant rate until an isotopic steady state was achieved. Isotopic ratios and concentrations of labeled pyrimidines were measured in tissue and p...

The reaction of nano-cellulose and antimony pentachloridein dichloromethane gave nano-cellulose-SbCl5. Also nano-cellulose-SbCl5 has beencharacterized by energy dispersive X-ray spectroscopy(EDX), scanning electron microscopy (SEM)and Fourier transform infrared spectroscopy(FTIR).Nano-cellulose-SbCl5has been applied as a nano-catalyst for synthesis of pyrano[2,3-d]pyrimidines from the simple on...

The ciliated protozoan, Tetrahymena geleii, is known to be similar to higher animals in its nutritional requirements. Thus it may utilize glycogen, starch, and galactose, as well as glucose and sucrose for its carbohydrate supply (1). In addition, it requires for optimal growth very nearly all of the B vitamins known at present and all of the amino acids essential to mammalian growth and mainte...