What's the difference between traced and tracer?

Traced


Definition:

Example Sentences:

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.

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