What's the difference between mixture and veratrine?
Mixture
Definition:
(n.) The act of mixing, or the state of being mixed; as, made by a mixture of ingredients.
(n.) That which results from mixing different ingredients together; a compound; as, to drink a mixture of molasses and water; -- also, a medley.
(n.) An ingredient entering into a mixed mass; an additional ingredient.
(n.) A kind of liquid medicine made up of many ingredients; esp., as opposed to solution, a liquid preparation in which the solid ingredients are not completely dissolved.
(n.) A mass of two or more ingredients, the particles of which are separable, independent, and uncompounded with each other, no matter how thoroughly and finely commingled; -- contrasted with a compound; thus, gunpowder is a mechanical mixture of carbon, sulphur, and niter.
(n.) An organ stop, comprising from two to five ranges of pipes, used only in combination with the foundation and compound stops; -- called also furniture stop. It consists of high harmonics, or overtones, of the ground tone.
Example Sentences:
(1) Stimulation is also observed with mixtures of APC expressing DPw3 and APC expressing A1, and likewise, DPw3+ APC become stimulatory when preincubated with supernatants from A1-positive cells.
(2) Fluorination with [18F]acetylhypofluorite yields 6-[18F]fluoro-L-dopa with 95% radiochemical purity; fluorination of the same substrate with [18F]F2 yields a mixture of all three structural isomers in a ratio of 70:16:14 for 6-, 5-, and 2-fluoro compounds.
(3) In addition to the phase diagrams reported here for these two binary mixtures, a brief theoretical discussion is given of other possible phase diagrams that may be appropriate to other lipid mixtures with particular consideration given to the problem of crystalline phases of different structures and the possible occurrence of second-order phase transitions in these mixtures.
(4) However, within 5 min potassium overcame the vanadate potentiation of ouabain binding regardless of the order in which it was added to the reaction mixture.
(5) Mixtures of 2 components involving kappa-casein were more readily dephosphorylated than alphas- and beta-casein mixtures.
(6) None of the animals injected with either CD4+ or CD8+ T cells became overtly diabetic during the 30 days of observation whereas 8 of 23 mice inoculated with a mixture of the two subsets developed glycosuria and hyperglycemia.
(7) The hypothesis that experimentally determined survival times of Treponema pallidum in stored donor blood could be related to the number of treponemes initially present in the treponeme-blood mixtures was investigated by inoculating rabbits with three graded doses of treponemes suspended in donor blood and stored at 4 degrees C for various periods of time.
(8) The IL-8 isolated from each of these cell types is a mixture of two IL-8 polypeptides, one consisting of 72 amino acids (herein called [ser-IL-8]72) and the other 77 amino acids (an N-terminal extended form herein called [ala-IL-8]77).
(9) Differential absorption experiments showed that LG-1 contained a mixture of specific and cross-reacting antibodies.
(10) The method involves the use of a monoclonal antibody fragment mixture that binds to platelets.
(11) It is shown that, by comparison of a reacting mixture at chemical equilibrium with a non-reacting but equally composed one, the sum of the mean concentrations of the reaction products can immediately be taken from optical absorption or from interferometric measurements.
(12) The 105 000 X g supernatant of the reaction mixture, which contained more than 85% of the thiobarbituric acid-reactive substances, did not inactivate the plasmid DNA.
(13) Blood acid-base status, serum electrolytes, and urine pH were examined in 64 infants and children with phenylketonuria (PKU) treated with three different low phenylalanine protein hydrolyzates (Aponti, Cymogran, AlbumaidXP) and two synthetic amino acid mixtures (Aminogran, PAM).
(14) Anaesthesia was achieved by a mixture of oxygen, nitrous oxide and fluothane without use of muscle relaxants.
(15) Variations in light chain composition, particularly fast and slow myosin light chain 1, appeared to occur independently of the variations in heavy chain composition, suggesting that some myosin molecules consist of mixtures of slow- and fast-type subunits.
(16) That piece was placed on the slide and embedded with a mixture of agar and antiserum.
(17) In addition, a beta-linked sialic acid:nucleoside conjugate (Kl-8111) and an equimolar mixture of Kl-8110 and Kl-8111 (Kl-414) also inhibited the metastatic ability of NL cells to the same extent as Kl-8110 did.
(18) In contrast, boundary layer diffusion is operative in the release from the matrixes prepared by compression of physical mixtures.
(19) The bacterial strains did not liberate free patulin from the adduct mixture present in the growth medium.
(20) (Tokyo) 58, 227), yields a protein mixture that has a time-dependent 13C-NMR spectrum.
Veratrine
Definition:
(n.) A poisonous alkaloid obtained from the root hellebore (Veratrum) and from sabadilla seeds as a white crystalline powder, having an acrid, burning taste. It is sometimes used externally, as in ointments, in the local treatment of neuralgia and rheumatism. Called also veratria, and veratrina.
Example Sentences:
(1) Antibodies to GM1 ganglioside enhance the release of gamma-aminobutyric acid (GABA) from rat brain slices induced by depolarization with either 40 mM K+ or 200 microM veratrine.
(2) The effects of various dopaminergic drugs on the spontaneous and veratrine-stimulated release of endogenous dopamine (DA) from superfused rat striatal slices have been examined using a high-sensitivity HPLC system.
(3) Veratrine injected intravenously produced apnoea, bradycardia and long-lasting hypotension.
(4) GABA release by veratrine was blocked by tetrodotoxin.
(5) Stimulation of phosphoinositide hydrolysis by depolarization with veratrine was compared to that produced by stimulation of alpha-1 adrenoceptors by norepinephrine.
(6) Depolymerization of microtubules with colchicin and vinblastine decreased an apparent affinity of veratrine to its receptor in the channel, while destruction of microfilaments with cytochalasin B had the opposite effect.
(7) The injection of veratrine into the cisterna magna caused an increase in left ventricular end-diastolic pressure (LVEDP) which was considerably larger than that which occurred in left ventricular end-diastolic circumferential (LVEDC) segment length suggesting a reduction in diastolic compliance.
(8) Experiments were carried out to investigate the role of calcium in the therapy of soman intoxication with 9-anthroic acid (ANCA), a compound with veratrine-like pharmacological properties.
(9) The observation that two classes of neuronal depolarizing agents (veratrine and scorpion venom) cause TTX-sensitive inhibition of basal ion transport establishes that NaCl absorption in flounder intestine is subject to regulation by enteric nerves located in the submucosa.
(10) (2) On changing the veratrine concentration from 0.025 to 1 mM, the magnitude of depolarization is raised logarithmically.
(11) With Na-free (LiCl) Ringer's solution the effect of veratrine on membrane current was obtained, but the mechanical response was unchanged.
(12) When cardiac output was kept nearly constant (by beta-adrenergic and cholinergic receptor blockade or by beta-blockade and cardiac pacing), intracoronary veratrine still attenuated baroreflex control of blood pressure and total peripheral resistance.
(13) At about 0.1 mM concentration, the steroid showed no 'veratrinic' or decurarizing action, and the probability of transmitter release was not increased in 10mM Mg++.
(14) On the other hand, preincubation of striatal slices with D-amphetamine (10(-5) M) enhanced basal and veratrine-stimulated dopamine release but markedly suppressed evoked CCK release.
(15) Reactivity of the retransplanted vasculature as compared to the denervated control revealed a marked relative shift in adrenergic balance, tested by dopamine, to the vasoconstrictor range, but it showed no change in responses to general haemodynamic or haemorheologic interventions, tested by veratrine and pentoxifylline, respectively.
(16) DON caused a decrease in both the pool size of glutamate (22%) and the extent of veratrine-evoked release of amino acids (21%).
(17) Catecholamine release induced by veratrine could be prevented almost completely by the Ca2+ channel blocker cadmium, but not to any great extent by the organic dihydropyridine Ca2+ antagonist nitrendipine.
(18) Despite the fall in basal GnRH release from MBH, the MBH GnRH release response to in vitro stimulation by an opioid blocker (naloxone) and a membrane-depolarizing agent (veratrine) were not diminished in uremic male rats.
(19) The effects of veratrine on renin release from rat kidney cortical slices were compared with those of norepinephrine (NE).
(20) These results indicate the existence of sodium pathways in the electrically unexcitable Schwann cell membrane of S. sepioidea, which can be opened up by grayanotoxin I and veratrine, and afterwards are blocked by tetrodotoxin.