(a.) Pertaining to, or exhibiting the phenomena of, diamagnetism; taking, or being of a nature to take, a position at right angles to the lines of magnetic force. See Paramagnetic.
(n.) Any substance, as bismuth, glass, phosphorous, etc., which in a field of magnetic force is differently affected from the ordinary magnetic bodies, as iron; that is, which tends to take a position at right angles to the lines of magnetic force, and is repelled by either pole of the magnet.
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.
Repelled
Definition:
(imp. & p. p.) of Repel
Example Sentences:
(1) The effects of common repellents on the membrane fluidity of Escherichia coli were measured by the fluorescence polarization of the probe 1,6-diphenyl-1,3,5-hexatriene in liposomes made of lipids extracted from the bacteria and in membrane vesicles.
(2) It is suggested that the capacity of large doses of L3T4+ cells to protect mice against lethal GVHD is a reflection of T helper function: the cellular immunity provided by the donor L3T4+ cells enables the host to repel pathogens entering through damaged mucosal surfaces, with the result that GVHD becomes sublethal.
(3) Repellent effect of the Mannich bases (methoxyphenol derivatives) on Aedes aegypti mosquitoes and Xenopsylla cheopis fleas was revealed under laboratory and field conditions.
(4) We have recently prepared a carbon fibre micro-electrode (mCFE) which specifically pretreated and coated with Nafion (a negatively charged polymer which repels acids such as 3,4-dihydroxyphenylacetic acid (DOPAC)) allows the direct selective detection of the oxidation of DA and 5-HT in nanomolar concentration in vitro and that of extracellular basal levels of cerebral 5-HT in vivo (peak B at +240 mV).
(5) A couple of years later, he patented a method of producing a water-repellent textile.
(6) These compounds possess insecticidal and repellent properties.
(7) Tory toffs repelling undesirable immigrants, providing better schools, using welfare reform as a pathway to work, clearing vandals, yobs and drunks from the streets and standing up to our masters in Brussels would be very popular, and the word would soon be forgotten.
(8) Repellent addition has previously been shown to stimulate MCP demethylation.
(9) Of 33 compounds tested, 8 were repellents for B. bacteriovorus strain UKi2: n-caproate, alanine, isoleucine, leucine, phenylalanine, tyrosine, cobaltous chloride, and hydronium ion.
(10) The CDC and other health agencies have been operating for months on the assumption that Zika causes brain defects, and they have been warning pregnant women to use mosquito repellent, avoid travel to Zika-stricken regions and either abstain from sex or rely on condoms.
(11) But maybe, just maybe, they won’t, for they represent real forces and articulate real passions that Labour and the Conservatives, and now the Lib Dems, have so far utterly failed to repel.
(12) The treatment involved the use of repelling magnets for the distalization of the upper right molar which was in a class II relationship.
(13) The most important stabilizing factor for the intramolecular proton transfer is the zinc ion, which lowers the pKa of zinc-bound water and electrostatically repels the proton.
(14) Both sexes were attracted to the odor of R-(-)-carvone and repelled by the odor of (+)-citronellol.
(15) The paint whooshed down through the freshwater, but as soon as it hit the saltwater it was repelled, spreading out laterally as if the pigment had hit an invisible horizon.
(16) In bacterial chemotaxis, transmembrane receptor proteins detect attractants and repellents in the medium and send intracellular signals that control motility.
(17) Iain Lobban, the director of GCHQ, the government's eavesdropping and encrypting agency, last week used his first public speech to call for an aggressive approach to cyber attacks, and warned of the dangers of adopting the sort of defensive strategy famously symbolised by France's Maginot line, which was meant to repel the Germans and failed.
(18) 7.53pm BST Pedant repellant Style guide: GEORGE: What is Holland?
(19) Current control measures, stressing the use of mosquito nets, insect repellent, and residual insecticides designed primarily for the less mobile population of rice-farming communities are less effective among more mobile people.
(20) Soldiers damaged three of the vessels before clashes in which the militants were eventually repelled.