Role of divalent
cations in plasmid DNA adsorption to natural organic matter-coated silica surface.
The different affinities of divalent
ions were reflected in the mechanical properties of the gels.
To the ligand H2A, the divalent
and trivalent metal ions resulted in M2A2 nH2O [M=Zn( ), Cu( ), Ni( ) and Co( )] and M2A3 3H2O [Fe()].
Xie, "Up-regulation of divalent
metal transporter 1 in 6-hydroxydopamine intoxication is IRE/IRP dependent," Cell Research, vol.
metal ions or structurally related organic molecules) differ, the engineered binding site does not have to be absolutely selective for an analyte, which is often very difficult to achieve.
Germination may increase the phytase activity by mobilizing phytate, which becomes more available for the divalent
minerals, such as copper, zinc, cobalt, manganese, iron and calcium, at lower levels, thus improving the nutritional quality of germinated soybeans or sprouts (BAU; DEBRY, 1979).
The adsorption capacities of both kaolinite and montmorillonite in the absence of divalent
cation bridges followed the order non-ionic PAM > cationic PAM > anion PAM.
cation transport and susceptibility to infectious and autoimmune disease: Continuation of the Ity/Lsh/Bcg/Nramp1/ Slc11a1 gene story.
Zinc uptake of soil solution in divalent
cations form ([Zn.
2000) facilitated by divalent
metal transporter 1 (DMT1) which has high affinity foriron and lead (Gunshin et al.
For example, the divalent
metal transporter (DMT1, DCT1, and Nramp2) transports divalent
metals, but not metals in other valence states.
Evidence suggests that the pathophysiologic basis of excess iron absorption is due to high levels of expression of divalent
metal transporter-1 that transports iron into enterocytes in the proximal intestine, and ferroportin that exports iron to the circulation.
8) As divalent
metals are needed to make the dimeric structure more stable, a chelator agent would affect the activity of such enzymes.
These free carboxyl groups are then cross-linked with divalent
ions such as calcium to form a network of pectin.
Assuming that methane-to-ethane photo-chemistry occurs at these distances from the Sun, the primary photodissociation mode in light with wavelengths between 129 to 147 nm (the methane absorption band) is the elimination of molecular hydrogen and the formation of a divalent
carbon called methylene.