(n.) An ultimate particle of matter not necessarily indivisible; a molecule.
(n.) A constituent particle of matter, or a molecule supposed to be made up of subordinate particles.
(n.) The smallest particle of matter that can enter into combination; one of the elementary constituents of a molecule.
(n.) Anything extremely small; a particle; a whit.
(v. t.) To reduce to atoms.
Example Sentences:
(1) It has been conformed that catalase from bovine liver eliminates only the pro R hydrogen atom from ethanol.
(2) The results demonstrated that K2PtCl4 was bound to a greater degree than CDDP in this system with 3-5 and 1-2 platinum atoms respectively, bound per transferrin molecule.
(3) Richard Bull Woodbridge, Suffolk • Why does Britain need Chinese money to build a new atomic generator ( Letters , 20 October)?
(4) The bond distances of Cu to Cl(1), Cl(2), N(3) and N(3') atoms are 2.299 (1), 2.267 (1), 1.985 (4) and 1.996 (3) A, respectively.
(5) The common atoms of the [3Fe-4S] and [4Fe-4S] cores agree within 0.1 A; the three common cysteinyl S gamma ligand atoms agree within 0.25 A.
(6) This result was confirmed by atomic absorption spectroscopy, which indicated a stoicheiometry for copper and manganese of approx.
(7) The inter-molecular similarity measure used is the number of atoms in the 3-D common substructure (CS) between the two molecules which are being compared.
(8) The risks are determined, mainly by expert committees, from the steadily growing information on exposed human populations, especially the survivors of the atomic bombs dropped in Japan in 1945.
(9) All N and O atoms except N(3) and O(4') participate in a three-dimensional hydrogen-bonding system.
(10) This suggestion is supported by EPR studies, which show that the iron atoms in Fe(III)L-globin are in two low electronic states.
(11) The molar refractivity has been shown to be a superior parameter for the description of the activity of sulphonamides than the sum of electronegativities of atoms making up a heterocyclic substituent in the sulphonamide molecule and molecular weight of the substituent.
(12) Binding to HSA occurs primarily with the imidazolidine and thiazolidine groups of levamisole as it has been demonstrated by selective changes in the relaxation times and the chemical shifts of the protons attached to the carbon atoms.
(13) Each repeat unit contains thirty amino acids and is thought to bind a zinc atom using two cysteines and two histidines as ligands.
(14) NADP+ bound at the C8 atom in the adenine moiety proved to be the most efficient ligand whereas that bound at the C3 atom of the ribose moiety was relatively inefficient.
(15) This structure is further characterized by approaches of both the carbonyl and the furan O atoms to ring H atoms with separations which are slightly less than the sum of the relevant van der Waals radii.
(16) The magnitude of improvement achieved is dependent upon field size, SSD, the atomic number of the foil material, and foil thickness.
(17) For the liver enzyme, the logarithm of the inhibition constant was linearly related to the number of carbon atoms in the saturated fatty acids whereas the muscle enzyme, which was generally more strongly inhibited, showed a nonlinear dependence.
(18) Results obtained from a such study are here compared with levels obtained from a comparative determination of the metals in the mosses by three other techniques: Differential pulse anodic stripping voltammetry (DPASV), Direct current plasma (atomic emission) spectroscopy (DCPS) and X-ray fluorescence (XRF) spectroscopy.
(19) It was hypothesized that the observed activity variation of the paracetamol analogues was based on the relative abilities of these compounds to undergo H atom loss at the phenolic oxygen, and on the relative stabilities of the resulting free-radical species.
(20) The resulting family of structures has a mean backbone rmsd of 0.63 A (N, C alpha, C', O atoms), excluding the segments containing residues 45-59 and 84-88.
Vicinal
Definition:
(a.) Near; vicine.
Example Sentences:
(1) Generally, more distant neurones (500-1300 microns) were excited for variable periods of time (3-15 min), while neurones in the vicinity of the injection site (0-500 microns) showed, after a brief period of excitation time, a long-lasting (up to 30 min) decrease in excitability or silencing of discharge, probably due to a depolarizing block and disturbances in the ionic composition of the extracellular space.
(2) Assays with monoclonal antibodies (MB47, 2b, 4G3, and C1.1) directed against different epitopes of the LDL apoprotein B suggested that AcA modification reduced the immunological recognition of the LDL receptor binding region and its vicinity.
(3) Furthermore, we can accurately measure heteronuclear and homonuclear vicinal coupling constants.
(4) It can be concluded that at least some of the neurones in the nucleus tractus solitarius and its vicinity receive inputs from more than one source.
(5) Furthermore, duplications in the vicinity of this locus involving the beta-amyloid gene and the proto-oncogene ets-2 have been reported in association with AD.
(6) The material comprised liver and kidney samples collected from inhabitants of the city of Białystok and of its vicinity during anatomopathological examination at the Department of Pathological Anatomy, Medical Academy in Białystok.
(7) Pathomorphologically, spongiform alteration and demyelinization of the white matter in the vicinity of the amyloid deposits was detected and systemic amyloidosis excluded.
(8) It is colocalized with talin, but is not related to the distribution of acetylcholine receptors (AChRs) which are clustered at the postsynaptic membrane in the vicinity of the MTJ in these fibers.
(9) In the presence of the drug, the higher permeability for Cl- diminishes the depolarization caused by the potassium released and accumulated in the vicinity of the membrane in the course of AP.
(10) Large (about 2 micron in diameter), pale vacuoles, probably of extracellular character, were found mostly in the vicinity of the perivascular septum.
(11) France was meanwhile leading a push, which diplomats said was backed by Britain, to hit more strategic military targets in Libya, beyond tactical airstrikes on Gaddafi's armour in the vicinity of cities such as Misrata and Ajdabiya.
(12) Comparison of FAS from different sources shows that the primary sequence is conserved only for the active residues and the amino acids in their immediate vicinity.
(13) A rare case of aseptic tenosynovitis from oxytocin injection in the vicinity of a tendon causing spontaneous rupture of the extensor digitorum communis tendon is reported.
(14) During a period of almost ten years with 280 cases, experience has been gathered in connection with the immobilisation of radius fractures, in the vicinity of the wrist, by means of the fixateur externe.
(15) PTZ seizures appear to be mediated by an extensive system involving the reticular formation, diencephalic regions in the vicinity of the anterior medial thalamus and caudal hypothalamus, and bulbar regions which give rise to descending motor pathways to the spinal cord.
(16) In contrast, antagonists rely predominantly upon hydrophobic binding in the vicinity of the acetylmethyl group present in the endogenous transmitter.
(17) The regenerative response of myelinated axons of the mammalian central nervous system was investigated by inserting peripheral nerve grafts in the vicinity of traumatized rat optic axons.
(18) "The protest camp does not have significant impact on the rights and freedoms of those visiting, walking through or working in the vicinity.
(19) The third type projected to the contralateral spinal cord and distributed terminal boutons in the medial part of the nucleus of the solitary tract (NTS) and its vicinity.
(20) Glycine completely prevented the effect of FITC modification, suggesting the existence of lysine group(s) either at or in the vicinity of the agonist binding site.