(1) the colours: Allura red AC, erythrosine, canthaxanthin and the caramels; three anti-oxidants: BHA, BHT and the gallates; the sweeteners: polyols, aspartame, saccharin and cyclamates.
(2) All reactions are inhibited by scavengers (propyl gallate, alpha-tocopherol, diazobicyclooctane) and by catalase.
(3) Ethoxyquin, propyl gallate and butylated hydroquinone only partially inhibited rTNF-alpha-induced cytotoxicity, while the antioxidants butylated hydroxytoluene (BHT), alpha-tocopherol, ascorbic acid and thiodipropionic acid had minimal effects.
(4) In the prevention of H2O2-induced endothelial cell injury in culture, only gallocatechin-3-0-gallate and epicatechin-3-0-gallate were effective.
(5) The antioxidant efficiency of some polyhydric phenols was determined kinetically and found to be catechol greather than pyrogallol greater than hydroquinone greather than resorcinol greater than n-propyl gallate for the benzaldehyde photooxidation.
(6) Among chemically defined natural polyphenols, condensed tannins (epicatechin gallate oligomers) and monomeric and oligomeric hydrolyzable tannins potently stimulated PMN iodination, whereas polyphenols of lower molecular weight (gallic acid, alkyl gallates, epicatechin, epicatechin gallate, epigallocatechin, caffeic acid derivatives and licorice flavonoids) had much less activity.
(7) The PA-induced contraction was inhibited to 42% of the control response by propyl gallate (0.2 mM), a combined inhibitor of cyclooxygenase and lipoxygenase.
(8) Other compounds which blocked the oxidation of platelet tocopherol were ascorbyl palmitate, propyl gallate, butylated hydroxytoluene, hydroquinone and glutathione.
(9) A characteristic correlation between side chain length and mean response was observed, giving a maximum of sensitization at a length of 12 carbon atoms (dodecyl gallate).
(10) Polyvinyl alcohol (PVA) mounting medium containing paraphenylenediamine (PPD), n-propyl gallate (NPG), or 1,4-diazobicyclo(2,2,2)-octane (DABCO) was compared with PVA alone or buffered glycerol with regard to capacity for preservation of immunofluorescence preparations.
(11) A simple, rapid technique is described for the determination of 2- and 3-tert-butyl-4-hydroxyanisole (BHA), tert-butylhydroquinone (TBHQ), 3,5-di-tert-butyl-4-hydroxytoluene (BHT), 2,6-di-tert-butyl-4-hydroxymethylphenol (Ionox-100), 2,4,5-trihydroxybutyrophenone (THBP), propyl gallate (PG), octyl gallate (OG), dodecyl gallate (DG), and nordihydroguaiaretic acid (NDGA) in vegetable oils, lards, and shortenings.
(12) 13 women with allergy to propyl gallate are presented.
(13) Most of the key toxicity studies, however, date back to the 1950s, do not meet current standards of toxicity testing and do not provide evidence for carcinogenic or mutagenic action of the gallates.
(14) Propyl, octyl and dodecyl gallate as well as butylated hydroxyanisol and butylated hydroxytoluene were estimated.
(15) A significantly higher absorption was observed from the colloidal bismuth subcitrate (0.042% of the dose) and the basic bismuth gallate (0.038%) than from the basic bismuth salicylate, nitrate, and aluminate (0.005-0.002%).
(16) Treatment of MI with propyl gallate significantly reduced the plasma accumulation of creatine kinase (CK).
(17) Ganglia processed through the osmium-ethyl gallate procedure (OEG)19 retain more structural integrity than those processed through various silver impregnation methods.
(18) It was found that (-)-epigallocatechin gallate, (-)-epigallocatechin, and (-)-epicatechin gallate inhibited soybean lipoxygenase at the IC50 values ranging from 10 to 20 microM.
(19) 1 In common with several anti-inflammatory, analgesic, local anaesthetic and antioxidant drugs, propyl gallate in vitro inhibited the biosynthesis of prostaglandin E2 and F2alpha from arachidonic acid by a prostaglandin synthetase from bull seminal vesicles.
(20) The vasorelaxation action of nicorandil was unaffected by the cyclooxygenase inhibitor ibuprofen or the lipoxygenase inhibitor propyl gallate, suggesting that nicorandil does not act via the release of a vasodilator eicosanoid.
Gallium
Definition:
(n.) A rare metallic element, found in certain zinc ores. It is white, hard, and malleable, resembling aluminium, and remarcable for its low melting point (86/ F., 30/C). Symbol Ga. Atomic weight 69.9.
Example Sentences:
(1) Gallium-67 imaging is useful in the management of patients with malignant lymphoma, despite its obvious limitations.
(2) Although gallium nitrate inhibited cell growth in Tf-free medium, cellular proliferation was restored by Fe-NTA.
(3) The amount of gallium in 'blood-free' tissues was measured by correcting for gallium in residual blood and an estimate of intestinal absorption was then made by summing the values for all tissues examined.
(4) Gallium arsenide has proved to be an ideal substrate material for some uses but is associated with unique health hazards.
(5) In the culture enriched with both gallium and iron (III), X-ray fluorescence spectra revealed a gradual decrease of gallium from the spent fluid as growth progressed.
(6) The concentrations of arsenic (As) and gallium (Ga) in solution and the As-GA ratio on the surface of the GaAs increased continuously as the time of contact with the aqueous solution increased.
(7) No evidence of lymphomatous involvement of lymph nodes and non-lymphoid organs was found by CT scan, ultrasound echography and gallium scan of the chest and abdomen.
(8) As a prerequisite for preparing bispecific antibody conjugates containing anti-tumor and anti-metal chelate binding sites that can be used for pretargeted immunoscintigraphy, monoclonal antibodies (Mabs) have been raised against an octahedral metal chelate synthetized from gallium (Ga) and the hexadentate ligand N,N'bis[2-hydroxy 5-(ethylene beta carboxy) benzyl] ethylenediamine N,N' diacetic acid (Ga-HBED-CC).
(9) The technique of 67-gallium scintigraphy appears of value in assessing the intra-abdominal spread of malignant tumors of the testes.
(10) Although initial clinical trials of 72Ga were unproductive, subsequent studies with 68Ga and 67Ga, together with advances in nuclear medical instrumentation, resulted in the identification of gallium radionuclides as effective tumor- and abscess-localizing agents.
(11) In this group, gallium was not incorporated into the post-operative hematoma.
(12) To evaluate whether one can predict the course and prognosis of interstitial lung diseases from lung gallium-67 (67Ga) uptake, we studied 31 subjects with sarcoidosis and 28 with idiopathic pulmonary fibrosis (IPF) retrospectively.
(13) Analysis of the inflammatory exudates showed that most of the gallium was in the noncellular fraction (2,500-g supernatant) in both sterile and bacteria-induced inflammation.
(14) Gallium-67 imaging has also been used to detect abdominal neoplasms, but results are less impressive.
(15) To investigate the mechanism of gallium-67 uptake in lung granulomatosis, we studied 13 rats in which lung granulomatosis was induced by injection of complete Freund adjuvant (CFA) and 14 controls.
(16) Often, the severity of symptoms led to persistent evaluation with noninvasive tests such as gallium scan, intravenous pyelogram, or barium enema.
(17) The serum gallium concentrations required to inhibit the tumor growth may be higher in small cell lung carcinomas than in nonsmall cell lung carcinomas.
(18) This report confirms that sodium pertechnetate Tc 99m is the most sensitive agent for diagnostic and therapeutic evaluation of patients with Kaposi sarcoma and suggests taht gallium citrate Ga 67 or bleomycin 111In may be useful in the differentiation of Kaposi sarcoma from lymphoma.
(19) Twenty male rats were trained to run on a treadmill and were exposed to gallium-67 oxide (67Ga2O3) particles (0.1 micron activity median diffusion diameter) for 30 min while running at 30 m min-1.
(20) A series of 39 gallium scintigrams was retrospectively reviewed by the authors and reported without knowledge of the patients' clinical condition.