What's the difference between tracer and trader?

Tracer


Definition:

  • (n.) One who, or that which, traces.

Example Sentences:

  • (1) If tracer is introduced into the carotid artery after osmotic treatment, brain uptake is increased by a net factor of 50 (a factor of 70 due to elevation of PA, multiplied by 7 due to infusion by the carotid route) as compared to uptake by normal, untreated brain with infusion into a peripheral vein.
  • (2) Limitations include the facts that the tracer inventory requires a minimal survival period, can only be done postmortem, and has low resolution for cuts of the vagal hepatic branch.
  • (3) Thus, the enzyme-immunoassay shows specificity and sensitivity comparable to radioimmunoassay making use of radioactive tracer unnecessary.
  • (4) By contrast, there was a rapid exchange of tracer Leu carbon between placenta and fetus resulting in a significant flux of labeled KIC from placenta to fetus.
  • (5) Acetylcholine caused a rapid decrease (42% in 1 min) in 36Cl content of control acini which were preloaded with tracer for 12 min, but only a 23% decrease in acini of reserpine-treated rats.
  • (6) An isotopic steady state was established in five pregnant animals by the daily feeding of a tracer dose of cholesterol-4-(14)C. Comparison of maternal and fetal serum cholesterol SA revealed that an average of 42.6% of the serum cholesterol in the term fetus originated by transfer from the maternal blood.
  • (7) Injection of the tracer substance wheat germ agglutinin-horseradish peroxidase (WGA-HRP) directly into the basilar pontine nuclei using a ventral surgical approach resulted in the labeling of somata in many areas both rostral and caudal to the basilar pons.
  • (8) These results suggest that [99mTc]LDL acts as a trapped ligand in vivo and should therefore, be a good tracer for noninvasive quantitative biodistribution studies of LDL.
  • (9) The organization of the afferent and efferent connections of the sagittal Zones A and B of the cerebellar cortex of the rat have been studied using wheat-germ agglutinin conjugated to horseradish peroxidase as a tracer.
  • (10) Three exponential terms were required to fit the data for each of the tracers in all six experiments.
  • (11) The radiation dose to the tumor after a single injection of 500 muCi 131I-MAb 139H2 was 1,300 cGy over 7 days, which appeared slightly lower than the dose calculated after administration of a tracer dose of iodinated MAb 139H2.
  • (12) A light and electron microscopic double immunostaining technique was employed using the beta subunit of unconjugated cholera toxin as a neural tracer.
  • (13) Coronary collateral blood flow was measured with tracer microspheres in 3 different experimental conditons in the dog heart: 1. after occlusion of a large coronary artery in the in situ beating heart, 2. after occlusion of a small coronary artery in the in situ beating heart and 3. after occlusion of a large coronary artery in the isolated, empty beating, blood-perfused heart.
  • (14) This exogenous protein tracer could be seen in apical vacuoles and phagosomes in the cuboidal parietal epithelium.
  • (15) In the present study, we assessed transepithelial transport of Na+, K+ and Cl- in the isolated initial segment (P1) of rabbit colon in vitro using radioisotopic tracer fluxes and electrophysiological techniques.
  • (16) Each group of cattle consisted of six permanent members, two members fistulated at the oesophagus and one worm-free tracer calf.
  • (17) The immunoreactivity of the tracer can instead be lower than that shown by the standard, although it must not be too different.
  • (18) This reconstruction only requires very general assumptions, such as tracer-tracee indistinguishability and mass conservation; in particular it is independent of the glucose model structure, i.e., number of compartments and their interconnections.
  • (19) When normalized with respect to scala cross-section, the process of tracer movement across the spiral ligament is similar in the basal and third turns.
  • (20) The electron-dense tracers, ferritin, peroxidase, Thorotrast, and latex beads were all ingested but none was phagocytized.

Trader


Definition:

  • (n.) One engaged in trade or commerce; one who makes a business of buying and selling or of barter; a merchant; a trafficker; as, a trader to the East Indies; a country trader.
  • (n.) A vessel engaged in the coasting or foreign trade.

Example Sentences:

  • (1) RBS had received complaints from two clients, in October 2010 and January 2012, about the activities of forex traders and in November 2011 one of its own traders raised concerns, which were not heeded.
  • (2) During evidence in chief, he said the only people who would amend a settlement or information about a trade would be "the person who knew of the transaction, who would be the trader."
  • (3) Many adults' work schedules limited their ability to take their children to health sites (52.2% were farmers and 18.9% were traders).
  • (4) Traders are predicting that the Bank of England will raise interest rates rather earlier than its forecast date of 2016.... 9.45am GMT UK industrial production beats forecasts Photograph: ONS Better news in the UK -- Britain's industrial production grew faster than expected in September, driven by manufacturing sector.
  • (5) The oil price tumbled by as much as $3.25 a barrel on Tuesday after the world's biggest commodity trader called the top of the market for crude and a range of other commodities – at least for the time being.
  • (6) In 1998, when Jeffrey Archer's son, James, and his trader friends, known as the Flaming Ferraris, took a stretch limo to their bank's Christmas party, the Sunday Telegraph could barely contain itself.
  • (7) The City is rife with gambling addicts whose habits contribute to a risk-prone culture of the sort which helped Kweku Adoboli lose UBS £1.5bn, according to one London trader.
  • (8) Key, a trader turned politician who combines a CEO-style leadership approach with a down-to-earth, sometimes goofy personal image, continues to rank by far the highest in preferred prime minister polling.
  • (9) Senior Yen Trader: hey ...you think we be able to convince [Primary Submitter] to change the libor today?
  • (10) "25 at 4 [2,500 shares at 400p each], print that quickly," shouts one trader.
  • (11) A series of electronic exchanges linked RBS traders to those at other banks, particularly Swiss bank UBS, who submitted rates to the Libor panel.
  • (12) The UK has exported more than 5m cars since 2010, marking the best start to a decade, said the Society of Motor Manufacturers and Traders (SMMT).
  • (13) And just having clear procedures made it easier for poor, informal traders to trade."
  • (14) But traders today dismiss that collapse, blaming it on early errors in the experimental phase of the market.
  • (15) The boss of a successful US hedge fund has quit the industry with an extraordinary farewell letter dismissing his rivals as over-privileged "idiots" and thanking "stupid" traders for making him rich.
  • (16) Skilled manual laborers, businessmen, and traders were more likely to be infected with HIV-2 than farmers, unskilled laborers, and while collar men (p.05).
  • (17) They beheaded him with an axe and cut him into pieces," said Moomin Abdallah Ahmed, a Muslim trader in the Lakouanga suburb.
  • (18) Select traders were given the “Barclays leads”, the newspaper said, and from December 2012 to September 2013 a number of victims were persuaded to buy rare earth metals that did not exist, it is claimed.
  • (19) He asked "why [would a] good trader, risk manager be willing to work with us".
  • (20) He pointed to a group of traders and asked the company's chairman what they did.