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Non-hydrolytic release of iron from ferrienterobactin analogs by extracts of bacillus subtilis
(Elsevier: Biochemical and Biophysical Research Communications, 1980-12-31)
The ferric chelates of the microbial siderophore enterobactin and of two synthetic analogs of enterobactin were sources of iron for growth of Bacillus subtilis WB2802. The ferrisiderophore reductase system in cell-free ...
Functional polymers in the generation of colloidal dispersions of amorphous selenium
(American Chemical Society: Macromolecules, 1980-09)
Stable colloidal dispersions of red, amorphous selenium have been prepared by the reduction of selenious acid in dilute aqueous solutions of hydrazonium polyacrylate. The initially formed particles average 1000-1200 A, in ...
Colloidal iron dispersions prepared via the polymer-catalyzed decomposition of iron pentacarbonyl
(American Chemical Society: Journal of Physical Chemistry, 1980-06-12)
Stable colloidal dispersions (50-150 A) of zero-valent iron have been prepared by the thermolysis of Fe(CO)5 in dilute solutions of “functional” polymers. The formation of these colloidal dispersions has been rationalized ...
Liver aldolase anomeric specificity
(American Chemical Society: Biochemistry, 1980-06-10)
Stopped-flow kinetic studies of liver aldolase and of mixed liver-muscle aldolase catalyzed reactions of fructose 1,6-bisphosphate (FBP) have been carried out and interpreted by computer simulation. These experiments ...
Atmospheric photodissociation lifetimes for nitromethane, methyl nitrite, and methyl nitrate
(Wiley: International Journal of Chemical Kinetics, 1980-04)
Atmospheric photodissociation rate coefficients and photodissociation lifetimes for nitromethane, methyl nitrite, and methyl nitrate were calculated as a function of altitude from their measured visible and near ultraviolet ...
Crayfish hepatopancreas peroxidase: Absence of a microbicidal function
(Elsevier: Journal of Invertebrate Pathology, 1980-03)
Experimental investigation of the resistance in thin superconducting films of niobium-germanium
(American Institute of Physics, 1980-01-15)
We discuss the resistance of thin superconducting films of amorphous niobium-germanium below the BCS thermodynamic transition temperature as determined by measurements of the heat capacity. This resistance is shown to be ...
Purification of human myeloperoxidase by Concanavalin A-Sepharose affinity chromatography.
(Marcel Dekker: Preparative Biochemistry, 1980)
Myeloperoxidase (E.C. 1.11.1.7. Donor: H2O2 oxidoreductase), an enzyme of the azurophil granule of polymorphonuclear leukocytes, has been purified from the blood of a single human donor. Leukocytes were harvested by dextran ...
Blood oxygen transport and delivery in reptiles
(Oxford University Press: American Zoologist, 1980)
Cenozoic reptiles are characterized by physiological morphological and ecological systems with low energy requirements compared to those of mammals. Ectothermy and low resting rates of metabolism are the primary physiological ...
Chemical carcinogen in vitro testing: a method for sizing cell nuclei in the nuclear enlargement assay
(Elsevier: Toxicology, 1980)
The observation that cells often respond to carcinogens by nuclear enlargement has suggested that this property might be useful to develop a short-term screening test for such compounds. Previous methods for detecting ...