(v. t.) A metallic element, constituting the most precious metal used as a common commercial medium of exchange. It has a characteristic yellow color, is one of the heaviest substances known (specific gravity 19.32), is soft, and very malleable and ductile. It is quite unalterable by heat, moisture, and most corrosive agents, and therefore well suited for its use in coin and jewelry. Symbol Au (Aurum). Atomic weight 196.7.
(v. t.) Money; riches; wealth.
(v. t.) A yellow color, like that of the metal; as, a flower tipped with gold.
(v. t.) Figuratively, something precious or pure; as, hearts of gold.
Example Sentences:
(1) To investigate the relationship between Helicobacter pylori infection and nonsteroidal anti-inflammatory drug (NSAID) intolerance and the effect of gold use on the seroprevalence of H. pylori.
(2) This activity scheme uses as its base, dose potency measured as TD50, the chronic dose rate that actuarially halves the adjusted percentage of tumor-free animals at the end of the study (Gold et al., Environ.
(3) Coup leader Captain Amadou Sanogo on Friday pleaded for foreign help to preserve the territorial integrity of the former French colony, a major gold and cotton producer.
(4) A combined plot of all results from the four separate papers, which is ordered alphabetically by chemical, is available from L. S. Gold, in printed form or on computer tape or diskette.
(5) To determine the nature of the electrochemical treatment on the gold substrate, cyclic voltammetry was performed with various chemical solutions.
(6) As Russian companies Polymetal, Polyus Gold and Evraz race to join Eurasian Natural Resources as FTSE100 companies, despite their murky practices, because of London's incredibly lax listing requirements, one future scenario is becoming clearer.
(7) Injection of albumin-colloidal gold conjugates resulted in an insignificant uptake.
(8) IgG-gold also adhered to M cells and excess unlabeled IgG inhibited IgA-gold binding; thus binding was not isotype-specific.
(9) Colloidal gold immuno-electron microscopy is a powerful tool for defining antigenicity at the subcellular level.
(10) The effects of gold thioglucose loading on Se distribution, and on Se-dependent GSH peroxidase and GSH S-transferase, were examined in rats fed three dietary levels of Se (0, 0.2, and 2.0 ppm), and with or without adjuvant-induced inflammation.
(11) The night's special award went to armed forces broadcaster, BFBS Radio, while long-standing BBC radio DJ Trevor Nelson received the top prize of the night, the gold award.
(12) The sectioned worm tissues from each developmental stage were embedded in Lowicryl HM 20 medium, stained with infected serum IgG and protein A gold complex (particle size: 12 nm) and observed by electron microscopy.
(13) We concluded that gold labeling with polymyxin B is useful in localizing the binding sites of polymyxin.
(14) Heads you 'own it' Ian Read, the Scottish-born accountant who runs the biggest drug firm in the US carries in his pocket a special gold coin, about the size and weight of a £2 piece.
(15) Evidence for Golgi apparatus-associated processing of oligosaccharides in the ER was obtained by lectin-gold cytochemistry revealing the presence of the galactose (beta 1----4)N-acetylglucosamine sequence and sialic acid residues.
(16) One of them got a gold medal in medicine, for being top of the year, but they dropped out for exactly these reasons.” These are not alarmist stories being spread by campaigners.
(17) Different techniques for attaching the gold cylinders to the frameworks were used.
(18) A post-embedding cytochemical technique using WGA-gold complexes was used and the quantitative intensity of WGA-labeling on the surface membrane of platelets after convulxin stimulation was determined.
(19) Only 75% of the granules stained for PRL by the protein-A gold technique; the other 25% stained for neither PRL nor GH.
(20) Smoking behaviour, self-reported mood and cardiac activity were examined in 12 "sedative" and 12 "stimulant" smokers, defined using Mangan and Golding's questionnaire.
Halo
Definition:
(n.) A luminous circle, usually prismatically colored, round the sun or moon, and supposed to be caused by the refraction of light through crystals of ice in the atmosphere. Connected with halos there are often white bands, crosses, or arches, resulting from the same atmospheric conditions.
(n.) A circle of light; especially, the bright ring represented in painting as surrounding the heads of saints and other holy persons; a glory; a nimbus.
(n.) An ideal glory investing, or affecting one's perception of, an object.
(n.) A colored circle around a nipple; an areola.
(v. t. & i.) To form, or surround with, a halo; to encircle with, or as with, a halo.
Example Sentences:
(1) Sec-alpha-halo-nitro compounds are active antibacterial and antifungal agents, and the sec-bromo derivatives are the most active and stable.
(2) For conservative treatment of injuries of the cervical spine, two different methods are available: The HALO fixator and the collar.
(3) Thickening of the gallbladder wall, a subserosal "halo" of edema, pericholecystic abscess, and marked gallbladder distention were consistent findings in AAC.
(4) An Mr 15,000 protein was produced at higher levels by halo variants than by nonhalo-producing cells.
(5) Management intervention was identified as the cause of deterioration in four of 134 patients undergoing operative intervention, in three of 60 with skeletal traction application, in two of 68 with halo vest application, in two of 56 undergoing Stryker frame rotation, and in one of 57 undergoing rotobed rotation.
(6) PRL or its solvent were administered at different time points (0, 4, 8, and 12 hours after light onset = HALO) during 5 consecutive days.
(7) A peripheral halo with delayed enhancement was noticed in 12 patients (42.8%) Histologic correlation in hepatocellular carcinomas showed that the degree of contrast enhancement corresponded to tumor vascularity and that the peripheral halo corresponded to fibrous capsular structure.
(8) 1) small elevation, 2) spotty barium fleck, 3) ill defined barium fleck and 4) barium fleck with halo were suggested the possibility of inflammatory bowel diseases.
(9) These cases suggest that a halo sign does not guarantee a benign process.
(10) The correction by halo-up-Extension runs on an average of 35% of the total correction.
(11) When cultures were overlaid with an acridine orangedeoxyribonucleate-agar (ADA) mixture, incubated for 1 to 3 hr, and observed under ultraviolet light, clear halos developed around colonies that produced deoxyribonuclease.
(12) In the light of these results and of recently published reports a rational diagnostic approach to hypoechoic lesions without halo in echogenic livers varies, depending on such factors as known primary malignancy or site of the lesion.
(13) Subsequent treatments are given using skin tattoos and laser alignment for target placement within the isocenter of the linear accelerator, and a modified portable halo-ring device is used for skull immobilization.
(14) A significant number of Alzheimer patients exhibited a more extensive smooth "halo" of periventricular hyperintensity when compared with controls (p = .024).
(15) (b) Positioning of patients for operation, including those with a halo vest, is efficiently carried out with safety and ease.
(16) Based on a personal series of 47 cases of aberrant papillae and a review of the literature, the authors stress the relative frequency of this anomaly and the almost constant possibility of making the diagnosis by means of intravenous pyelography on the basis of the following signs: regular, round or oval filling defect, surrounded by a fine opaque halo which separates it from the surrounding urine; or a notch with a regular arc-shaped border prolonged towards the exterior at its two extremities by a small spur.
(17) 2) A halo peak appeared in group II and showed the trend of disappearance in group III, however, no peak shift was observed in all groups.
(18) The halo brace has presented the neuroscience nurse with a new challenge in the care of victims of cervical spine trauma.
(19) Skull traction and a halo-vest were intermediate in patients with loss of motion, and the degree of loss of range was essentially equal.
(20) At the end of the third reperfusion day, an atypical form of bouton degeneration was found, consisting of massive occurrence of enlarged (greater than 4 microns) boutons encircled by a clear halo.