What's the difference between polyvalent and univalent?

Polyvalent


Definition:

  • (a.) Multivalent.

Example Sentences:

  • (1) The actions of the polyvalent cationic dye Ruthenium Red and the enzyme neuraminidase were studied at the frog neuromuscular junction.
  • (2) The prophylactic effect of immunization with P. aeruginosa polyvalent corpuscular vaccine has been shown on the model of P. aeruginosa generalized chronic infection in mice with leukopenia induced by the intraperitoneal injection of cyclophosphamids.
  • (3) The immunogenicity of the polyvalent pneumococcal vaccine was studied in renal allograft recipients and dialysis patients.
  • (4) The virus neutralizing (VN) titers were occasionally lower where the polyvalent vaccines were used when compared to those from chickens given the monovalent vaccines.
  • (5) The polyvalent and adaptable material which we have developed (sliding splint-staple) and which we also use in thoracic traumatology (thoracic flaps), has allowed us to perform audacious corrections for deformities or wide resections for tumours since 1980.
  • (6) Furthermore, unlike the cells, the cytoplasts failed to raise their intracellular free Ca2+ levels after addition of polyvalent Ag.
  • (7) The polyvalent antiserum administered contained A, B and E antitoxins.
  • (8) The transport of C4-dicarboxylates in B. subtilis is strongly stimulated by intracellular polyvalent anions.
  • (9) Likewise, benzamil exhibited a protective effect, completely overcoming the inhibitory action of the polyvalent cations.
  • (10) Anti-hemorrhagic antibodies were isolated from a polyvalent antivenom by affinity chromatography using purified hemorrhagins from Bitis arietans and Crotalus adamanteus venom as ligands.
  • (11) Polyvalent alloantisera, prepared by reciprocal immunization of F344 (RT1lv1 haplotypes) and WF (RT1u haplotype) rats, as well as monoclonal antibodies, were used to immunoprecipitate class I alloantigens from detergent extracts of monolayer cultures of 35S-methionine-labelled liver cells.
  • (12) The efficiency of an ELISA method, designed to detect polyvalent IgG and IgM antibodies to Salmonella typhi polysaccharide was evaluated in patients admitted or convalescing from typhoid fever and in control subjects.
  • (13) The chelating approach provides a powerful means for removing a single class of unwanted, random crosslinkages, i.e., those due to extraneous polyvalent metals such as lead, cadmium and aluminum.
  • (14) Prophylaxis with 23-polyvalent anti-pneumococcus vaccine would prevent severe processes in high risk populations.
  • (15) An immunoglobulin class specific, indirect ELISA (polyvalent immunoglobulin, IgG, IgM, and IgA) was established employing as antigens formalinized whole bacteria ("OH"-antigens) and LPS preparations (hot phenol-water extraction).
  • (16) Two commercial Chlamydia-specific monoclonal antibodies as well as polyvalent anti-Chlamydia rabbit serum recognized C. trachomatis, but did not recognize Cowdria.
  • (17) the monovalent preparation of K. pneumoniae bacteriophage and the polyvalent bacteriophage preparation for the treatment of infections caused by K. ozaenae, K. rhinoscleromatis scleromatis and K. pneumoniae sensu lato, have been obtained.
  • (18) During the acute phase he was treated with packed red blood cells, frozen fresh plasma and polyvalent immunoglobulins.
  • (19) Quantitative immunoelectrophoresis allows a polyvalent approach to immuno-chemical problems, i.e., identification, quantitation, and thereby standardization of antigens and antibodies in complex mixtures, for example as in crude extracts of microorganisms and their corresponding antisera.
  • (20) Ca2+ and other polyvalent cations as well as polycations, such as neomycin, produce similar effects on intracellular second messengers and PTH release in dispersed bovine parathyroid cells, but it is unclear whether all of these agents share the same mechanism of action.

Univalent


Definition:

  • (a.) Having a valence of one; capable of combining with, or of being substituted for, one atom of hydrogen; monovalent; -- said of certain atoms and radicals.

Example Sentences:

  • (1) Experiments indicated that complement deposition altered functionally bivalent IgG3 antibody in the immune complex into a univalent one.
  • (2) Equilibrium measurements of interactions of anti-DNP antibodies, prepared using DNP-PLL and several DNP-proteins for immunization, with DNP(0.6)-PLL(240) and with the univalent hapten, epsilon-DNP-L-lysine, were made utilizing the technique of fluorescence quenching.
  • (3) Explicit expressions are derived which describe the binding of a univalent ligand to equivalent and independent sites on each state of an acceptor undergoing indefinite self-association that is governed by an isodesmic equilibrium constant KI.
  • (4) A computer model was constructed which can generate all of the common univalent behaviours.
  • (5) In these male cells there was no decrease of chiasmata or increase of autosomal univalents with age, and there were some interstrain differences.
  • (6) Two homogeneous univalent hapten-protein conjugates, prepared by the covalent attachment of a single 2,4-dinitrophenyl (DNP-) or 2,4,6-trinitrophenyl (TNP-) side chain to the cysteine-SH in the active site of the enzyme papain, have been found to exhibit large Cotton effects in the wavelength region of the absorption bands of the DNP or TNP groups.
  • (7) Equivalent concentrations of binding sites of the bivalent F(ab)2 and univalent Fab fragments of anti-CEA were identical to the immunoglobulin G fraction in the standard inhibition curve.
  • (8) At a hydrophobic surface, molecules move apart and local water becomes strongly bonded, inert, and viscous and accumulates large cations, univalent anions, and compatible solutes.
  • (9) Of particular interest in that regard is the observation that the traditional logit-log analyses yield linear plots with the predicted slope of unity even though antigen univalence is an implicit assumption in their application.
  • (10) (3) The two stable states of the nerve membrane, which are readily demonstrable in TEA-treated or internally perfused squid giant axons, are shown to represent bivalent cation-rich and univalent cation-rich states of the nerve membrane.
  • (11) Only benzaldehyde dehydrogenase I is activated by K(+) and certain other univalent cations.
  • (12) Male meiosis in Mesostoma ehrenbergii ehrenbergii (2x = 10) is characterized by extreme restriction of chiasma formation; 3 pairs of chromosomes form bivalents at metaphase I which are associated by single very distally localized chiasma, while two pairs of chromosomes remain as unpaired univalents.
  • (13) Human red blood cells (RBCs) that are deficient in an integral membrane-associated protein ("stomatin") of apparent molecular mass 31 Kd show a catastrophic increase in passive membrane permeability to the univalent cations Na+ and K+ and are stomatocytic in shape.
  • (14) We demonstrate that shifts of the conductance-voltage (g-V) characteristic of PG films produced by changes of univalent or divalent cation concentrations result from changes of the membrane surface potential on one or both sides.
  • (15) The electrical resistances and rates of self-exchange of univalent critical ions across several types of collodion matrix membranes of high ionic selectivity were studied over a wide range of conditions.
  • (16) The steady-state solutions (Kirchhoff-Hill theorem) yield expressions for the relationship between the small signal conductance of univalent ions and the concentration of these ions in the external bathing medium (a saturation curve) and for the ionic currents and the steady-state current-voltage curve (N-shaped).
  • (17) The incidence of oocytes with univalents in the slides made by Tarkowski's method was much higher than in those made by ours in both age and strain groups (P less than 0.05-0.001).
  • (18) Our findings support the assumption that the altered activity of the Na-K-ATPase (modified by the presence of Ca-2+) is responsible for the univalent cation activation of the CaATPase.
  • (19) Under the conditions used univalent cations (Na(+),K(+) and Li(+)) inhibited the binding.
  • (20) The k-absorption edge spectrum of LyCuLP was consistent with the coordination of univalent copper.

Words possibly related to "polyvalent"