What's the difference between fluor and fluoranthene?

Fluor


Definition:

  • (n.) A fluid state.
  • (n.) Menstrual flux; catamenia; menses.
  • (n.) See Fluorite.

Example Sentences:

  • (1) Fluor preparations are effective agents to remove dentinal hypersensitivity.
  • (2) Of 10 age groups ten times a lower percental frequency of fractures in combination with an increased presence of fluor was found.
  • (3) Dexamethasone (1,4-pregnadiene-9-fluor-16alpha-methyl-11beta,17alpha,21-triol-3,20-dione), a potent synthetic glucocorticoid, stimulates mouse mammary tumor virus expression 10- to 20-fold in tissue culture cells.
  • (4) The most relevant factors causing these differences were: saltiness, fluor flavor, stickiness, dryness, and uniformity of color.
  • (5) We were enlightened by this therapeutic experience, so we attempted combination therapy using pepleomycin suppositories to supplement intra-cavitary irradiation, for the 11 selected patients who were suffering from uterine fluor.
  • (6) The amounts of Fon acquired by the enamel surface (one application) rank as APF gel approximately Duraphat much less than Fluor Protector.
  • (7) The Fiax procedure is less time consuming than is the Immuno-Fluor and gives IgG and IgA concentrations that are in close agreement with those found by radial immunodiffusion and IgM values that are significantly lower than the radial immunodiffusion values.
  • (8) Moderate losses of peripheral microvilli, with mild superficial cellular desquamation was noted with 0.25 per cent phospholine iodide, 2 per cent pilocarpine, 2 per cent fluorescein, and Fluor-I-Strip.
  • (9) In pure subcultured colonies and in isolated colonies from primary culture plates, the Strep-A-Fluor system had 100% sensitivity and 100% specificity compared with the results of Streptex latex agglutination (Wellcome Research Laboratories, Research Triangle Park, NC).
  • (10) The mixed-phase assay is based on the inability of the polar [3H]-acetyl-Coenzyme A (CoA) substrate to partition out of a urea containing aqueous phase into the nonpolar scintillation fluor, while the [3H]chloramphenicol reaction products partition into the toluene scintillation fluor and are quantitated by scintillation counting.
  • (11) With empty professional anamnesis as cause was found the presence of a chronic renal insufficiency with simultaneously increased fluor content of drinking water.
  • (12) Above all, they document the necessity of the simultaneous prescription of at least 500 mg of calcium in the treatment of osteoporosis with estrogens, fluor, calcitonin and bisphosphonates.
  • (13) The present study constitutes a demonstration that the glomerular capillary epithelial cell bears this receptor, detectable with either EAC complexes (EAC1423b) or fluores ceinated zymosan-C3 (ZC3b) complexes, Fresh, unfixed frozen sections of normal or diseased human kidneys, mechanically isolated human glomeruli, dissociated glomerular cells, and glomeruli and golmerular cells maintained in tissue culture were examined with various EAC complexes or ZC3b and examined by phase light microscopy, fluorescence microscopy, or transmission and scanning electron microscopy.
  • (14) The technique uses liquid scintillation counting to record 14CO2 accumulation on a fluor-impregnated filter paper within a double-chambered scintillation vial that also houses the bacterial growth medium.
  • (15) Nevertheless reduction in caries incidence were reported in regions with regular administration of fluoride either via fluoridated salts' or fluoride tablets or by means of topical application of fluor.
  • (16) In 12 fasting volunteers, the pharmacokinetics of ciprofloxacin (Bay o 9867; 1-cyclopropyl-6-fluor-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinoline carbonic acid) were determined after the administration of 50, 100, and 750 mg orally as well as 50 and 100 mg intravenously over 15 min.
  • (17) This investigation was performed to evaluate, comparatively, the effect of topical application of Duraphat, Flulak, Fluor-Protector, Bifluorid 12, Profilac, Fluoro-gel-P and Fluocal-gel.
  • (18) Smears merely withdrawn from the urethra are, therefore, the least appropriate ones for fluor or for identification of a urogenital mycoplasmosis of the female genitals.
  • (19) In the present study the general pharmacological properties of ethyl-N-[2-amino-6-(4-fluor-phenylmethylamino)pyridin-3-yl]carbama te (flupirtine, D 9998), a structural new analgesic, are described.
  • (20) This filling was found to have great advantages over both classical fillings and the composite materials alone, because it chemically binds to dentin, exerts a marked caries-protective effect through a continuous release of fluor ions, and provides the best esthetic effect in combination with composite materials (when necessary).

Fluoranthene


Definition:

  • (n.) A white crystalline hydrocarbon C/H/, of a complex structure, found as one ingrdient of the higher boiling portion of coal tar.

Example Sentences:

  • (1) Solid-phase adsorbents were compared in their trapping efficiencies for dichloromethane (DCM), ethylene dibromide (EDB), 4-nitroblphenyl (4-NB), 2-nitrofluorene (2-NF), and fluoranthene (FI).
  • (2) --In this fashion, six polycyclic aromatic compounds with differing carcinogenic activities were tested:benzo(a)-pyrene, benzo(b)fluoranthene, indeno(1,2,3-c,d)pyrene, benzo(a)anthracene, fluoranthene, and cyclopenteno (c,d)pyrene.
  • (3) The PCAH's identified in SRF-carbon black were: anthracene, phenanthrene, fluoranthene, pyrene, benzo(mno)fluoranthene, chrysene, 1,2-benzanthracene, 9,10-dimethyl-1,2-benzanthracene, 1,2-benzopyrene, 3,4-benzopyrene, perylene, o-phenylene pyrene 1,2-benzoperylene, anthanthrene, and coronene.
  • (4) Fraction 5 was strongly fluorescent, and contained pyrene and fluoranthene, the major polycyclic aromatic hydrocarbons of the Murchison chondrite.
  • (5) Combustion gas drying had no effect for the larger PAHs such as benzo(a)pyrene but caused mean increases of between 41% and 126% for fluoranthene, pyrene and chrysene.
  • (6) The data indicate that whole pyrene and fluoranthene are distributed to blood cells.
  • (7) The phototoxic effects of polycyclic aromatic hydrocarbons (PAH) benzo(a)pyrene, benzo(a)anthrazene, indeno(1,2,3-cd)pyrene, fluoranthene and perylene, and their relation to the known carcinogenicity of these compounds was examined with human fibroblastic cultures.
  • (8) The tumor-initiating activity of trans-2,3-dihydro-2,3-dihydroxybenzo[j]fluoranthene (BjF-2,3-diol), BjF-4,5-diol, BjF-9,10-diol, and BjF was evaluated on the skin of female CD-1 mice.
  • (9) Only 4 of the 12 PAH were detected in the cancerous tissue: benzo(a)pyrene, fluoranthene, benzo(ghi)perylene.
  • (10) The immunopharmacology of RMI 9563 - bis[3-(diethylamino)propyl]fluoranthene-3,9-dicarboxylate dihydrochloride--has been described.
  • (11) tract tissues examined, with the relative potency in duodenum of DMBA much much greater than benzo[a]pyrene (B[a]P) much greater than benzo[b]fluoranthene (B[b]F).
  • (12) Moreover, the induction properties of some carcinogenic and non-carcinogenic hydrocarbons (benz[a]anthracene, pyrene, chrysene, benzo[a]-pyrene, benzo[e]pyrene, benzo[b]fluoranthene, benzo[j]fluoranthene, benzo[k]fluoranthene) have been studied.
  • (13) In contrast, fluoranthene-DNA adducts were not present at detectable levels in liver or kidney 24 h after one dose; low levels of adducts were found only in the lung at the highest dose level.
  • (14) Chronic administration of fluoranthene in the diet, however, resulted in DNA adduct formation in most tissues examined, including liver, kidney, lung, small intestine, heart, spleen and lymphocytes; adducts were not detectable in testes DNA.
  • (15) The major fluoranthene-DNA adduct found in rat tissues was identified by its chromatographic similarity to the major fluoranthene adduct formed in vitro using microsomally-activated fluoranthene and calf thymus DNA, previously identified as a reaction product of anti-2,3-dihydroxy-1,10b-epoxy-1,2,3-trihydro-fluoranthene with N2-deoxyguanosine.
  • (16) The environmental contaminants pyrene, 1-nitropyrene, 1,8-dinitropyrene, fluoranthene, and 3-nitrofluoranthene were exposed to light (greater than or equal to 310 nm) either in DMSO, or following coating onto silica.
  • (17) Naphthalene derivatives were the least active while alpha-terthienyl, anthracene, 9-methylanthracene, pyrene and fluoranthene were the most phototoxic.
  • (18) The identity of the major adduct in DNA-bound microsomally-activated FA was confirmed by this HPLC-32P-postlabeling method as an anti-2,3-dihydroxy-1,10b-epoxy-fluoranthene nucleotide adduct.
  • (19) In fact some of them, such as phenanthrene and anthracene increased with use, some, such as fluoranthene and pyrene decreased and the other did not exhibit a regular trend.
  • (20) The major adduct formed from reaction of the anti 2,3-dihydroxy-1,10b-epoxy-1,2,3-trihydrofluoranthene with DNA and the major N-2 fluoranthene derived adduct had identical elution times on two different h.p.l.c.

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