(n.) A rare alkaline metal found in mineral water; -- so called from the two characteristic blue lines in its spectrum. It was the first element discovered by spectrum analysis, and is the most strongly basic and electro-positive substance known. Symbol Cs. Atomic weight 132.6.
Example Sentences:
(1) In a report published online by the journal Atmospheric Chemistry and Physics , experts from Europe and the US estimated that the quantity of the radioactive isotope caesium-137 released at the height of the crisis was equivalent to 42% of that from Chernobyl.
(2) The effects of a single exposure to 5 Grays of caesium gamma rays administered at a high-dose rate were investigated in rat lymphocyte populations.
(3) The entry of caesium into sartorius muscle cells is strongly suppressed by the presence of 10(-5)M strophanthidin in Ringer solution.2.
(4) The third binding site is a result of crystal packing effects: caesium is liganded by four oxygen atoms, provided by two rhodanese molecules and one sulphate ion.
(5) After preheating for 3 to 5 min we added the gamma-rays of Caesium-137 or Cobalt-60 in usual rhythms.
(6) "If you stop the fresh water flowing out, that would very likely cause the caesium in the ground to be released.
(7) The amount by which caesium entry is reduced in the presence of strophanthidin is dependent on the intracellular sodium concentration and is greater the higher the intracellular sodium concentration.3.
(8) Two distinct types of rotavirus particle were isolated in caesium chloride density gradients.
(9) Attempts to demonstrate the presence of covalently closed circular extrachromosomal DNA by caesium chloride-ethidium bromide equilibrium density-gradient centrifugation were unsuccessful.
(10) The mean of the encounter rate constants for caesium and iodide ions defines a rate constant which is largely charge-independent and is used to establish a steric parameter.
(11) The health ministry detected 82,000 becquerels of radioactive caesium – 164 times the limit permitted by law, in kukitachina leaves from Motomiya in Fukushima prefecture, as well as 15,000 becquerels of radioactive iodine – more than seven times the limit.
(12) DNA was subsequently purified by phenol-chloroform extraction followed by ultracentrifugation on a caesium chloride gradient.
(13) There was no difference in the concentration of caesium measured between the various diagnostic categories.
(14) As a result of fallout from the nuclear accident at Chernobyl in April 1986, the caesium radioisotopes, 134Cs and 137Cs, have been detected in man.
(15) A contribution of K and Cl outward currents to the reduction of the inward current was minimized by using identical caesium chloride concentrations on both sides of the membrane.
(16) But the soil around Fukushima is laden with radioactive caesium.
(17) Some of the newly synthesized RNA, labelled with [3H]uridine, banded at a buoyant density slightly greater than DNA in caesium sulphate gradients.
(18) The frequency was enhanced in some lakes but was not correlated with caesium concentrations.
(19) Autopsies on four of the horses found no evidence of disease and tests revealed caesium levels at 200 becquerels per kilo – twice as high as the government-set safety limit for agricultural produce, but not high enough to immediately threaten their health.
(20) Finally in a sentence comparing the distribution of caesium and strontium radioisotopes we wrongly suggested that strontium is heavier than caesium.
Lepidolite
Definition:
(n.) A species of mica, of a lilac or rose-violet color, containing lithia. It usually occurs in masses consisting of small scales. See Mica.