bidentate


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Related to bidentate: ambidentate, polydentate

bidentate

[bī′den‚tāt]
(biology)
Having two teeth or teethlike processes.
References in periodicals archive ?
Ventral margin of male fore femur bearing basal and apical teeth that are larger than the remaining dark ventral teeth; fore tibia with a few dark teeth or tubercles, at least basally; posterior margin of male metasternum either straight or with a single medial process, this process sometimes bidentate in the form of two lateral angles separated by a broad, shallow medial concavity, but never in the form of two prominent quadrate processes as noted above 4
Bidentate hooded hooks from chaetiger 7; with 3 or 4, 6 and 1 hooks per series on anterior, median and posterior chaetigers; maximum number 6 hooks; no constriction on shaft; in anterior chaetigers hooks with angle between main fang and shaft >90[degrees], but smaller than is usual for other Dipolydora species, angle between teeth approximately 45[degrees] (Fig.
forms very stable bidentate chelates with phthalate groups, which can even prevent silver NP formation.
10 mm in diameter at the apex, bearing at the base 2 suboblong to obovate, acute, subobtuse to obtusely and irregularly bidentate, ca.
Effect of d-orbital Splitting on Infrared Spectra of Transition Metal(II) Complexes of cis-Chelating Bidentate Ligands.
In many instances, thiosemicarbazones act as a bidentate ligand and bind to the metals through the sulfur and hydrazinic nitrogen atom.
The reason is probably that one B-X group is not able to stabilize the ion and the distance between two electron-withdrawing groups is too large (ca 4 A) to have preferred bidentate interaction, so the most stable form left is the one with the proton placed between the middle-belt and the topmost boron in the case of 1:3:1 systems and between two middle-belt borons in the case of 1: 4: 1 clusters.
Before considering the ions in detail, we need to note that Manceau and Charlet (1994) concluded that selenate, sulfate, phosphate, selenite, and arsenate all formed bidentate inner-sphere complexes with the surface.
We hypothesize that His could bind via coulombic interaction with the phosphate groups by forming a bidentate ionic complex with the two positive groups (imidazole and alpha-amino, which both bear half-positive charge at pH = pI).
In the case of MDI foams, it seems that the covalent network is of good quality even at high water/low MDI indices; however, the virtual network, consisting of the hard segments, is very weak as reflected by the high swelling and nonexistent bidentate carbonyl links (determined by FTIR).
For the purposes of this article, it is sufficient to note that anionic, cationic and neutral indium(III) complexes are known with a wide range of monodentate and bidentate ligands, and that coordination numbers between 3 and 6 have been identified.