antiparallel


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

antiparallel

[¦an·tē′par·ə‚lel]
(genetics)
The opposite orientation of the two complementary strands or deoxyribonucleic acid, 5′ to 3′ and 3′ to 5′.
(mathematics)
Property of two nonzero vectors in a vector space over the real numbers such that one vector equals the product of the other vector and a negative number.
(physics)
Property of two displacements or other vectors which lie along parallel lines but point in opposite directions.
References in periodicals archive ?
In the resonator sample, the parallel spin component feels a higher potential than the antiparallel component in the magnetic layers.
In these granular GMR materials, the particles' magnetizations are not antiparallel.
antiparallel orientation using a biological, rather than a mechanical model, purchase a pair of rubber toy snakes.
up arrow][down arrow]] is the conductance for the case of antiparallel alignment of the magnetization in the leads.
In principle, the angular momenta of the two created particles could also become antiparallel and the spin of the photon zero, but such a situation would contradict all other experience about the photon spin.
are aligned antiparallel and annihilates into two gamma photons with a lifetime of 0.
5-bromonicotinic acid also displays atypical hydrogen-bonding behaviour by formation of dimers through a self-complementary acid-acid hydrogenbond motif that are connected into antiparallel ribbons by C-H .
The antiparallel dipole orientation (alternating trans-gauche conformation) produces additional narrow band below the Fermi level which is absent for parallel dipole orientation (all-trans conformation).
The incomplete cancellation of the two B site magnetic moments by the antiparallel A site cation moment results in ferrimagnetism, and electron delocalisation or hopping between the B site [Fe.
While it was generally assumed that the GMR is associated with an antiparallel alignment of the ferromagnetic layers across the nonmagnetic interlayers, neutron reflectivity studies of systems such as Co/Cu (49) and discontinuous [Ni.
Two stable monoclinic structures have been identified: the [alpha] form, in which hydrogen bonds exist between antiparallel chains having a planar zigzag conformation, and the [gamma] form, with H-bonds linking parallel chains with a twisted, and hence shorter, chain conformation.
Fel and Fe4 comprise one set of collinear antiparallel spins in the vertex-linked tetrahedra.