(n.) The science which treats of diamagnetic phenomena, and of the properties of diamagnetic bodies.
(n.) That form or condition of magnetic action which characterizes diamagnetics.
Example Sentences:
(1) The Soret MCD of the reduced protein is interpreted as th sum of two MCD curves: an intense, asymmetric MCD band very similar to that exhibited by deoxymyoglobin which we assign to paramagnetic high spin cytochrome a3(2+) and a weaker, more symmetric MCD contribution, which is attributed to diamagnetic low spin cytochrome a2+.
(2) These results suggested that most of the cytochrome d under the air-oxidized conditions contains a diamagnetic iron atom with a bound dioxygen.
(3) A substantial shortening of the T1 for Tl+ bound to either protein was observed in the presence of Mn2+, an effect not noted upon substitution of Mn2+ with the diamagnetic cation Ca2+, which is known to bind to these proteins in a similar fashion to Mn2+.
(4) Proton NMR experiments of tetracycline, spin-labeled tetracycline, and the diamagnetic reduced form in DMSO-d6 are reported.
(5) Magnetic anisotropy in proteins and polypeptides can be attributed to the diamagnetic anisotropy of the planar peptide bonds.
(6) Two solvent-exchangeable hyperfine-shifted signals were found in the reduced state; these are located upfield of the diamagnetic region.
(7) It is concluded, moreover, that the four-metal cluster is diamagnetic with the four Fe(II) ions being antiferromagnetically coupled.
(8) Based on low temperature spectroscopic studies, the oxidized iron-molybdenum cofactor-thiolate complex was expected to be diamagnetic.
(9) 4-Coordinate forms are found to be diamagnetic (S = 0 ground state), whereas 6-coordinate forms are paramagnetic (S = 1 ground state).
(10) The high gradient magnetic separation technique has been applied to separate paramagnetic erythrocytes from a cell suspension that also contained diamagnetic cells.
(11) Metallothioneins are unique diamagnetic metal thiolate cluster proteins.
(12) Comparison of this difference spectrum with that obtained using a diamagnetic analogue suggests that any conformational changes on hapten binding are mainly localized to the combining site.
(13) It would follow that if mitoxantrone does not redox cycle in the presence of reductases, then the semiquinone free radical is not produced or, if it is formed, it reacts quickly to form diamagnetic products.
(14) The diamagnetic (S = 0) state MOX is attained by oxidation of the native state MN with either thionine or oxygen.
(15) The 1H-NMR spectrum of the aerobically isolated protein is reported at 300 MHz; magnetic susceptibility measurements were indicative of a diamagnetic species.
(16) This combination of techniques allows charge-transfer spectral features associated with N-3 binding to the paramagnetic type 2 Cu(II) to be differentiated from those associated with binding to the antiferromagnetically coupled, and therefore diamagnetic, binuclear type 3 Cu(II) site.
(17) Complexes of ATP with paramagnetic ions such as Co2+ and Mn2+ were less inhibitory than complexes with diamagnetic ions, including Ca2+ and Mg2+.
(18) The apoferritin results are in every way typical of diamagnetic spherical proteins of their size (K. Hallenga and S. H. Koenig, Biochemistry 15, 4255 (1976)).
(19) Thus phthalocyanines containing paramagnetic ions (copper, iron, vanadyl) do not generate 1O2 in contradistinction to diamagnetic metals (zinc and aluminum).
(20) The 1H spectra obtained during the zinc(II) titration reveal diamagnetic shift effects which largely conform with the paramagnetic broadening effects due to the presence of manganese(II), although this picture is somewhat more complex.
Paramagnetism
Definition:
(n.) Magnetism, as opposed to diamagnetism.
Example Sentences:
(1) Our results show that paramagnetic enhancement with T1-weighted imaging adds specificity and enables rapid assessment of abnormalities of the blood-brain barrier.
(2) The linear electric field shift in paramagnetic resonance has, for the first time, been observed in frozen solutions.
(3) The Soret MCD of the reduced protein is interpreted as th sum of two MCD curves: an intense, asymmetric MCD band very similar to that exhibited by deoxymyoglobin which we assign to paramagnetic high spin cytochrome a3(2+) and a weaker, more symmetric MCD contribution, which is attributed to diamagnetic low spin cytochrome a2+.
(4) However, the intercept of the curve continued to increase in that region, as expected, because of the additional paramagnetic ions.
(5) These derivatized paramagnetic polysaccharides were shown to be more effective relaxants than the small paramagnetic molecules alone.
(6) The use of the latter has been limited to the few cells which contain paramagnetic iron.
(7) Only the derivative prepared by adding sodium formate demonstrates measurable intensity in the g' = 12 region of the low-temperature electron paramagnetic resonance (EPR) spectrum.
(8) The air flow is determined by the differential pressure principle, CO2 measurement is by the infra-red technique and O2 analyser is of the paramagnetic type.
(9) The formation of Cu(II)-bleomycin complexes as a function of pH has been studied using circular dichroism, absorption, electron paramagnetic resonance spectroscopy, and potentiometric titration.
(10) The iron-sulfur proteins of the green photosynthetic bacterium Chlorobium have been characterized by oxidation-reduction potentiometry in conjunction with low-temperature electron paramagnetic resonance spectroscopy.
(11) A transient electron paramagnetic resonance emission is observed after flash excitation of chloroplasts at room temperature.
(12) The microprocessor-based instrument fully automates each step of the assay, including sample and reagent addition, separation and wash of paramagnetic particles, and generation and acquisition of the chemiluminescent signal.
(13) Electron paramagnetic resonance (EPR) at 15 K was used to probe the magnetic interaction between the visible copper CuA2+ and ferric cytochrome a in the carbon monoxide compound of beef heart cytochrome oxidase.
(14) (electron-paramagnetic-resonance) spectroscopy, and a parallel study, using both e.p.r.
(15) These results have important consequences for the interpretation of distance measurements within the tubulin dimer using paramagnetic ions.
(16) The examination of the data leads to the conclusion on the existence of two possible mechanisms: the variation of properties of surface tryptophan residues environment and paramagnetic orientation of protein globule under the influence of a magnetic field.
(17) Chelates of paramagnetic metals have been developed for use as contrast agents for MRI.
(18) It is shown that 7-11-day long consumption (by rats) of water naftusia or organic matters isolated from it which contain carbonic acids and catecholamines possessing paramagnetic activity exerts a preventive effect on stress injuries of the mucous membrane of the stomach.
(19) 51V nuclear magnetic resonance spectroscopy and electron paramagnetic resonance spectroscopy were employed to investigate the interactions between ammonium vanadate and sugar phosphates and the formation of vanadium--sugar phosphate complexes that may be involved in the stimulation of the catalytic activity of the isomerases.
(20) The electronic and magnetic properties of the Fe(II)-thiolate centers in Fe(II)-metallothionein have been investigated by low-temperature magnetic circular dichroism and electron paramagnetic resonance spectroscopies at various levels of Fe(II) incorporation.