divalent


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Related to divalent: monovalent, divalent carbon, divalent metal

divalent

 [di-va´lent]
bivalent; having a valence of two.

bi·va·lent

(bī-vā'lent, biv'ă-lent),
1. Having a combining power (valence) of 2.
See also: tetrad. Synonym(s): divalent
2. In cytology, a structure consisting of two paired homologous chromosomes, each split into two sister chromatids, as seen during the pachytene stage of prophase in meiosis.
See also: tetrad.

divalent

/di·va·lent/ (di-va´lent) bivalent; carrying a valence of two.

divalent

(dī-vā′lənt)
adj.
1. Chemistry Having a valence of 2.
2. Immunology
a. Having two sites of attachment. Used of an antibody or antigen.
b. Containing antigens from two strains of a microorganism or virus. Used of a vaccine or serum.

divalent

(in chemistry) an atom with two additional or two missing electrons producing a dianion (e.g. O2-) or a dication (Ca2+), respectively. See valence.

bi·va·lent

(bī-vā'lĕnt)
1. Having a combining power (valence) of two.
Synonym(s): divalent.
2. cytology a structure consisting of two paired homologous chromosomes, each split into two sister chromatids, as seen during the pachytene stage of prophase in meiosis.

divalent

1. bivalent.
2. carrying an electronic charge of two units.
References in periodicals archive ?
Here, we purified PO from hemocytes of the scallop and characterized purified PO based on the optimal temperature and pH, the kinetic parameters, and the effects of divalent metal ions and inhibitors on enzymatic activity.
To determine whether the decrease in megalin and ClC5 at the gene level after Cd treatment was specific to this metal, we incubated LLC-PK1 cells for 9 hr with 10 [micro]M of other divalent metals such as [Zn.
Crystal structure of Bacillus alkaline phytase in complex with divalent metal ions and inositol hexasulfate.
Both of these are cysteine-rich peptides that bind divalent metal ions through sulfhydryl groups (-SH).
4+] enter octahedral sites normally occupied by divalent cations (e.
The divalent calcium will only cause a noticeable problem with polymers that have a significant acid number, and in rather apolar offset ink media, the calcium will not be charged as it is in aqueous media (and therefore will not be able to interact with whatever minimal acidity does exist on the grind resin).
The divalent ions react with soaps, wetting agents, and emulsifiers to form compounds with limited solubility.
The new patent provides wide and strong protection for D-Pharm's Membrane Active Chelator (MAC) Technology and includes claims for new chemical entities, their pharmaceutical compositions and use in treating diseases related to an excess or imbalances of divalent metal ions.
29 [Angstrom] in eight coordination, (16) divalent lead cation is limited by the space available in the heavy [REEO.
Divalent cations are required for protease activity since EDTA abolished its activity on gelatin.
One clinically important drug interaction involving fluoroquinolones is not only by coadministration with other drugs but also results from chelation to divalent and trivalent cations, such as in antacids, iron compounds, or dairy products; such chelation prevents most of the drugs from being absorbed (9).
Experimenting with homoionic clays, those researchers obtained significant relationships between ionicity indices of monovalent and divalent cations and clay behaviour in aqueous suspensions, such as dispersibility, zeta potential, and particle-size distribution.