What's the difference between antipodes and two?

Antipodes


Definition:

  • (n.) Those who live on the side of the globe diametrically opposite.
  • (n.) The country of those who live on the opposite side of the globe.
  • (n.) Anything exactly opposite or contrary.

Example Sentences:

  • (1) R-(+)-Nicotine is a substrate Km = 1.42 X 10(-5)M for an SAM-dependent guinea pig lung aromatic azaheterocycle N-methyltransferase, whereas S-(-)-nicotine acts as a competitive inhibitor (Ki = 6.25 X 10(-5)M) of the N-methylation of its antipode.
  • (2) The 5-HT depleting potency of (+)-MDMA was significantly greater than that of its (-)-antipode at 3 hr in PB pretreated, but not in SKF-525A pretreated animals.
  • (3) Potential in the Antipodes for production of unique and abundant fishery products is immense for both local and export markets.
  • (4) In general antipodals have maximum accumulation of physiologically active substances and intense activity of different enzymes.
  • (5) Since the transformation goes from the inactive to the pharmacologically active form, the (R)-enantiomer can be considered as a prodrug of its (S)-antipode.
  • (6) The determination of the enantiomeric composition of the excreted 2-phenylpropionic acid after a single oral dose indicated that the (R)-(-)-enantiomer given as such or in the racemate was inverted to its antipode, which strongly suggests that (S)-(+)-2-phenylpropionic acid is responsible for the inductive effects observed.
  • (7) The area under the concentration versus time curve values for the two enantiomers were approximately 10% higher for the (R)-antipode because of a slightly slower elimination of this compound.
  • (8) Both optical antipodes of the pivotal epoxy alcohol intermediate were prepared in 95% enantiomeric excess by the Sharpless epoxidation of a (Z)-allylic alcohol.
  • (9) Chiral analysis of the human renal epoxyeicosatrienoic acids shows the formation of 8,9-, 11,12- and 14,15-epoxyeicosatrienoic acids in a 1:1, 4:1 and 2:1 ratio of antipodes, respectively.
  • (10) The limit of determination for the L-antipode is ca.
  • (11) However, this stereoselectivity of action is not manifest in vivo, due to the thus-far-unique unidirectional metabolic inversion of the chiral centre from the inactive R(-)-isomers to the S(+)-antipodes.
  • (12) The summation of the results fully defines the overall stereochemistry of the coupled isomerization and cyclization of geranyl pyrophosphate to the antipodal pinenes.
  • (13) The Bernburg physician and pharmaceutist Bucholz became there for many years his consultee for questions of natural sciences; Gren, who also came from Bernburg, became the antipode in the dispute about problems of optics.
  • (14) 8a showed potent antifungal activity, while its antipode (+)-cis-2-ACPC (8b) had no activity.
  • (15) A novel approach to the optical resolution of racemic enones has been introduced by using the binding properties of the transport protein albumin, which chemically binds preferentially one antipode of some alpha, beta-unsaturated cyclic enones in a reversible manner.
  • (16) The model successfully: (1) explained the relative activity or inactivity of compounds such as cis- and trans-1-methyl-5-hydroxyl ATN derivatives and the corresponding cis- and trans-octohydrobenzo[f]quinolines; (2) predicted the more potent antipode of 2-aminoindan dopaminergic agonists; and (3) explained the structure--activity peculiarities of 3-(3-hydroxyphenyl)-N-alkylpiperidines in which the potency is increased for (3S)-isomers and decreased for (3R)-isomers when the N-alkyl group is greater than propyl.
  • (17) The three antipodal wave forms were displayed as a single 3-D Lissajous trajectory which contained four apices, corresponding to P40 (apex A), N70 (apex B), P100 (apex C) and N125 (apex D).
  • (18) Patch currents recorded at the soma cap, antipodal to the origin of the axon, and whole-cell currents were recorded simultaneously and normalized to membrane capacitance.
  • (19) Structures for such chirally symmetric organisms are outlined, as is the gradual decoupling of their integrated antipodal metabolisms upon an evolutionary progression from meso organism to racemic organism to racemate of organisms.
  • (20) A marked antipodal potency ratio was observed in strains TA100 and TA1535 when racemic and L-azidoalanine were compared.

Two


Definition:

  • (n.) One and one; twice one.
  • (n.) The sum of one and one; the number next greater than one, and next less than three; two units or objects.
  • (n.) A symbol representing two units, as 2, II., or ii.

Example Sentences:

  • (1) Thirty-two patients (10 male, 22 female; age 37-82 years) undergoing maintenance haemodialysis or haemofiltration were studied by means of Holter device capable of simultaneously analysing rhythm and ST-changes in three leads.
  • (2) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
  • (3) Patients with papillary carcinoma with a good cell-mediated immune response occurred with much lower infiltration of the tumor boundary with lymphocyte whereas the follicular carcinoma less cell-mediated immunity was associated with dense lymphocytic infiltration, suggesting the biological relevance of lymphocytic infiltration may be different for the two histologic variants.
  • (4) Two of the largest markets are Germany and South Korea, often held up as shining examples of export-led economies.
  • (5) Although the mean values for all hemodynamic variables between the two placebo periods were minimally changed, the differences in individual patients were striking.
  • (6) The authors have presented in two previous articles the graphic solutions resembling Tscherning ellipses, for spherical as well as for aspherical ophthalmic lenses free of astigmatism or power error.
  • (7) Clonal abnormalities involving chromosomes 3 and 21 were noted in two patients.
  • (8) After two weeks all animals were killed and autopsies of the animals were performed.
  • (9) No differences between the two substances were observed with respect to side effects and general tolerability.
  • (10) Anti-corruption campaigners have already trooped past the €18.9m mansion on Rue de La Baume, bought in 2007 in the name of two Bongo children, then 13 and 16, and other relatives, in what some call Paris's "ill-gotten gains" walking tour.
  • (11) We considered the days of the disease and the persistence of symptoms since the admission as peculiar parameters between the two groups.
  • (12) Between 22 HLA-identical siblings and 16 two-haplotype different siblings, a significant difference in concordance of reactions for the B-cell groups was noted.
  • (13) Cyclic AMP stimulated phosphorylation by [gamma-32P]ATP of two proteins of apparent Mr = 20,000 and 7,000 that were concentrated in sarcoplasmic reticulum, but the stimulation was markedly dependent on the presence of added soluble cyclic AMP-dependent protein kinase.
  • (14) The constitution of chromosomes in the two plasmacytomas remained remarkably stable in their homogeneous modal population.
  • (15) The previous year, he claimed £1,415 for two new sofas, made two separate claims of £230 and £108 for new bed linen, charged £86 for a new kettle and kitchen utensils and made two separate claims, of £65 and £186, for replacement glasses and crockery.
  • (16) At pH 7.0, reduction is complete after 6 to 10 h. These results together with an earlier study concerning the positions of the two most readily reduced bonds (Cornell J.S., and Pierce, J.G.
  • (17) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.
  • (18) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
  • (19) However, as the same task confronts the Lib Dems, do we not now have a priceless opportunity to bring the two parties together to undertake a fundamental rethink of the way social democratic principles and policies can be made relevant to modern society.
  • (20) The findings suggest that these two syndromes are associated with dysfunction at two different sites within the frontal lobes.