What's the difference between chloride and pentachloride?

Chloride


Definition:

  • (n.) A binary compound of chlorine with another element or radical; as, chloride of sodium (common salt).

Example Sentences:

  • (1) This death is also dependent on the presence of chloride and is prevented with the non-selective EAA antagonist, kynurenic acid, but is not prevented by QA.
  • (2) Thus, saponin and ammonium chloride can be used to isolate whole infected erythrocytes, depleted of hemoglobin, by selective disruption of uninfected cells.
  • (3) These were an isotonic solution of sodium chloride (900 micrograms NaCl in 0.1 ml), histamine (100 mu g in 0.1 mu l), phytohaemagglutinin (200 mu g in 0.1 ml), and a staphylococcus lysate (STAVA).
  • (4) The following conclusions emerge: (i) when the 3' or the 3' penultimate base of the oligonucleotide mismatched an allele, no amplification product could be detected; (ii) when the mismatches were 3 and 4 bases from the 3' end of the primer, differential amplification was still observed, but only at certain concentrations of magnesium chloride; (iii) the mismatched allele can be detected in the presence of a 40-fold excess of the matched allele; (iv) primers as short as 13 nucleotides were effective; and (v) the specificity of the amplification could be overwhelmed by greatly increasing the concentration of target DNA.
  • (5) To determine the influence of cetylpyridinium chloride (CPC) adsorption on the wettability and elemental surface composition of human enamel, with and without adsorbed salivary constituents, surface-free energies and elemental compositions were determined.
  • (6) This suggested that some of the cell population became metabolically inactive at a very early stage, possibly owing to suboptimal conditions of growth.Glycine, lysozyme and lithium chloride initiated lysis of BCG growth in the aforementioned media 24-48 hours after inoculation.
  • (7) PYY inhibited the reduction in net absorption of sodium chloride and water evoked by vasoactive intestinal peptide (VIP), but did not affect the VIP-evoked increase in net potassium secretion.
  • (8) Substitution of NaCl in the extracellular medium by sucrose, LiCl, or Na2SO4 had no effect on glutamate stimulation of [3H]dopamine release; however, release was inhibited when NaCl was replaced by choline chloride or N-methyl-D-glucamine HCl.
  • (9) Seventy-six patients with established atherosclerotic disease were treated daily with either 250 micrograms of chromium orally as chromium chloride or a placebo for a period of 7 to 16 months (mean, 11.1 months).
  • (10) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
  • (11) Carbopol-940 gels, being the best of those used, were studied further for the effect of its concentration and of additives (benzalkonium chloride, phenylmercuric nitrate, chlorbutol and disodium edetate), autoclaving at 121 degrees C for 30 min and irradiation with gamma rays (2.5 Mrad), on the end product.
  • (12) Therefore, the early IPSP may be mediated by more complex mechanisms than a simple alteration in chloride conductance due to GABA-receptor interactions.
  • (13) We measured the steady-state volumes of distribution for radioactive chloride, sucrose, and albumin in the lung of six anesthetized, spen-thorax sheep.
  • (14) In the absence of external chloride changing the external potassium concentration from 2.8 mM to potassium-free caused a depolarization of the membrane of about 30 mV and a small increase in membrane resistance.
  • (15) It is therefore suggested that salt water adaptation triggers a cellular reorganization of the epithelium in such a way that leaky junctions (a low resistance pathway) appear at the apex of the chloride cells.
  • (16) Bartter's syndrome was suspected because of the features of the hypokalemia, hyperaldosteronism, hyperreninemia, increased concentration of plasma angiotensin I & II, the defect in distal fractional reabsorption of chloride and normotension.
  • (17) Allyl 4-O-benzyl-alpha-L-rhamnopyranoside was converted into allyl 4-O-benzyl-3-O-methyl-alpha-L-rhamnopyranoside and this was condensed with 2,3,4-tri-O-acetyl-alpha-L-rhamnopyranosyl chloride to give a disaccharide derivative which was converted into allyl 4-O-benzyl-2-O-(2,3-O-isopropylidene-alpha-L-rhamnopyranosyl)-3-O-methyl -alpha- L-rhamnopyranoside.
  • (18) ASA was given as 7.5 or 15.0 mM solution in 100 mM hydrochloric acid or in 100 mM sodium chloride.
  • (19) Replacement of all the chloride ions and inhibition by furosemide indicated that the enhanced secretion was due mainly to chloride ions.
  • (20) Chloride caused a significant concentration-dependent shortening of myosin rods due to destabilization of the alpha-helical double coiled rod structure.

Pentachloride


Definition:

  • (n.) A chloride having five atoms of chlorine in each molecule.

Example Sentences:

  • (1) The toxicometric indices of phosphorus oxychloride, trichloride and pentachloride were determined and the peculiarities of the toxic effect of these compounds were investigated in experiment.
  • (2) Eleven people accidentally inhaled a significant amount of a gaseous mixture of hydrogen chloride, phosphorus oxychloride, phosphorus pentachloride, oxalyl chloride, and oxalic acid.
  • (3) A 51-year-old chemical engineer sustained phosphorous pentachloride partial skin thickness burns over 20 per cent of his body surface area.
  • (4) This reaction proceeded by the treatment of cAMP tributylammonium salt (2) with phosphorus pentachloride (PCl5) and alkylamine in N,N-dimethylformamide (DMF).
  • (5) The effect obtained when sodium stibogluconate on the serosal side was replaced with antimony pentachloride (SbCl5) supports the view that the metal in the molecule is responsible for the inhibition of the effect of oxytocin.
  • (6) Beef adipose tissue and human milk extracts were fortified with PCB standards at 0.1--5.0 ppm, and perchlorinated with antimony pentachloride (SbCl5).
  • (7) The acid 4 in the reaction with phosphorus pentachloride gives the acid chloride 8 which is transformed under the influence of appropriate amines into corresponding amides 9-13.
  • (8) GC analysis of the reaction product of 5alpha-cholestan-6alpha-ol and phosphorus pentachloride indicated the presence of 6alpha-chloro-5alpha-cholestane, 6beta-chloro-5alpha-cholestane, 5,6beta-dichloro-5alpha-cholestane, and traces of cholest-5-ene; a computerised GC-MS system furnished visual reproductions of the gas chromatograms, but failed to yield corresponding mass chromatograms because of decomposition of the chlorides in the molecular separator.
  • (9) Stereoregular (1----5)-alpha-D-xylofuranan was synthesized from a new monomer, 1,5-anhydro-2,3-di-O-(tert-butyldimethylsilyl)-beta-D-xylofuranose , with phosphorus pentafluoride and antimony pentachloride as catalysts in dichloromethane.
  • (10) The preparation of these compounds was carried out by 2,3-dichlorination of 3-phenyl-2,3,4,5-tetrahydro-1H-1-benzazepin-2-ones with phosphorus pentachloride followed by amination and concurrent dehydrochlorination.

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