(a.) Pertaining to, or having the nature of, fluxion or fluxions; variable; inconstant.
Example Sentences:
(1) Comprehending the nature of this property which couples ionic fluxions into mentality is the quintessential problem of science.
(2) We also note that during the timescale of our simulation (126 ps) the hydrogen bonds between the hydroxide hydrogen atom and Thr199 and the one between Thr199 and Glu106 are not fluxional.
(3) The first equivalent of cobalt(II) ions per dimer binds in an essentially unspecific and possibly fluxional fashion, giving rise to a six-coordinated chromophore.
(4) A more exact time sequence cannot be established due to fluxional transitions and, particularly, to marked individual veriations.
(5) Electronic and 1H NMR titration with Co2+ ions show that the initial amount of fluxional cobalt is smaller than in the absence of magnesium and that A-B pairs are more readily formed.
(6) This asymmetry is not detected in solution by proton NMR spectroscopy at room temperature; however, at -90 degrees C spectroscopic changes suggest slowing of a fluxional process.
(7) We suggest that the Gd(DTPA)-conjugate systems have a fluxional coordination sphere whereby the amount of inner-sphere coordinated water varies from near zero at 5 degrees C to a high of two near 37 degrees C.
Intramolecular
Definition:
(a.) Between molecules; situated, or acting, between the molecules of bodies.
Example Sentences:
(1) A site for initiation of the intramolecular recombination in the S. cerevisiae host was delimited into, at most, a 58-bp region in the inverted repeats by using mutant plasmids created by linker insertion.
(2) However, the very low frequency (5 X 10(-8)) at which intramolecular transpositions in the bireplicons occurs, as compared to the single replicon (10(-4)), suggests that a complete transposition reaction may not be necessary to generate deletions.
(3) Dibucaine photophysics was also studied and the short lifetime of the neutral form of the anaesthetic with respect to that of the monoprotonated species was attributed to an intramolecular charge-transfer interaction.
(4) During the monodirectional conversion of D-[2-3H]mannose 6-phosphate to D-fructose 6-phosphate and D-fructose 1,6-bisphosphate, the reaction velocity is one order of magnitude lower than with D-[U-14C]mannose 6-phosphate and little tritium (less than 6%) is transferred intramolecularly.
(5) Unlike the case in recBCsbcA cells, intramolecular homologous recombination of linear DNA in the recBCsbcBC cells was dependent on recA and recF as well as recN and recO gene functions, but was independent of recJ and recL gene functions.
(6) Our data do not support the possibility of hydrogen bonding between the 16 beta-hydroxyl of gitoxigenin and the lactone ring, previously suggested to account for the decreased activity of gitoxigenin vis à vis digitoxigenin, but, rather, suggest that the decreased activity may be due to an intramolecular hydrogen bond between the hydroxyls on C-14 and C-16 and an unusual D-ring conformation which combine to alter the carbonyl oxygen of the lactone ring away from the putative active position.
(7) We have examined the localisation of the intramolecular disulfide bridge in the protein chain by peptide fragmentation methods.
(8) Composition and sequence determinations revealed that GNCP-1 and GNCP-2 are each single polypeptides containing 31 amino acid residues and three intramolecular disulfide bonds.
(9) In marked contrast, treatment with sodium tetrathionate, which induces intramolecular disulfide bond formation, resulted in only one detectable isoform of the [3H]DM labeled glucocorticoid receptor.
(10) Fourier transform infrared (FT-IR) spectroscopy was used to determine whether intramolecular hydrogen bonding between the C-OH and P-OH groups exists in beef heart cardiolipin (CL) or in hydrogenated beef heart cardiolipin (18:0-CL) as compared to the synthetic 2'-deoxy analogue of cardiolipin (16:0-dCL).
(11) This may indicate non-equivalence of the intramolecular electron-transfer systems.
(12) From the melting curves and the base compositions of these fragments it was suggested that phiX174 single-strand DNA might have intramolecular double helical regions, which were hardly susceptible to attack by nuclease SK.
(13) One mole of oxygen is consumed for every 2 moles of dithiothreitol oxidized and the product is shown by spectral studies to be the intramolecular disulphide.
(14) A total of three sulfhydryl groups per mole of HCII was detected by Ellman's reagent titration, with or without treatment with dithioerythritol, indicating the absence of intramolecular disulfide bonds.
(15) It would appear that the difference between the outcomes of intramolecular gene conversion on a chromosome and on a plasmid gapped in vitro does not result from the different physical states of intracellular versus transformed DNA.
(16) The Cys 509-->Arg substitution eliminates an intramolecular disulphide bridge formed by Cys 509 and Cys 695 which is important to maintain the configuration of vWF functional domains that interact with platelet glycoprotein Ib-IX.
(17) In these calculations using the semiempirical, PCILO method, protonated and nonprotonated conformations were considered representative of different types of intramolecular interaction at the morphine receptor.
(18) The theory is developed for intramolecular beta-structure, but it can also explain the overall features of intermolecular beta-folding; it is applicable both to antiparallel and parallel beta-sheets.
(19) Although the recBCsbcA and recBCsbcBC cells were both very recombination proficient, only linear but not circular DNA was used as substrate for intramolecular homologous recombination in the recBCsbcA cells.
(20) 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.