Yeast ,8-fructofuranosidase (invertase) or 1311-labelled albumin were entrapped into liposomes composed of phosphatidylcholine, cholesterol and phosphatidic acid. Of the fl-fructofuranosidase activity in the liposomal preparations 96-100% was latent. The following observations were made in experiments with rats injected with proteincontaining liposomes. 1. After injection of fl-fructofuranosida...

1. Mammalian erythrocytes swell as the pH of the isotonic suspending medium is lowered, as a direct consequence of the specialized permeability properties of the erythrocyte membrane. Lymphocytes and granulocytes from a variety of sources did not exhibit this property. 2. The behaviour of mouse bone marrow erythroid cells at various stages of differentiation was studied by using a change in buo...

background: inflammatory process has a substantial contribution in the development of anemia in chronic hemodialysis patients. low serum albumin in hemodialysis patients is considered a marker of inflammation. the present longitudinal study aimed to determine the relationship between low baseline serum albumin and future development of anemia. methods: the population of this study consisted of ...

in this research, the magnetite nanoparticles (fe304) were prepared by coprecipitation of fe3+ andfe solution in alkaline medium. two kinds of surfactants, cetyl tri methyl ammonium bromide(ctab) and cetyl pyridinum chloride (cpc) were used in the synthesis. fe304 nanoparticles werecoated with human serum albumin (hsa) and bovine serum albumin (bsa). characteristics ofcoated magnetic nanopartic...

Growth of a strain of Bacillus subtilis that requires uracil, thymine, adenine, and tryptophan in the presence of 5-fluorouracil (FU) results in the synthesis of ribonucleic acid (RNA) and ribosomes in which 55 to 65% of the RNA uracil has been replaced by the fluorine derivative. Examination of analogue-containing ribosomes by sucrose density gradient centrifugation and thermal denaturation st...