How to Use radioisotope in a Sentence

radioisotope

noun

• Iodine radioisotopes have half-lives that span from a tenth of a second to 16 million years.
  — Andrea Richard, The Conversation, 2 Oct. 2025
• Each of the thousands of available radioisotopes has a different set of properties.
  — Andrea Richard, The Conversation, 2 Oct. 2025
• Some of these radioisotopes enter the solar system to fall on all the planets and moons, including Earth and its moon.
  — Keith Cooper, Space.com, 2 Sep. 2026
• That leaves nuclear fission and radioisotope power as the only viable options for deep-space missions.
  — IEEE Spectrum, 25 Aug. 2025
• Their work spans full-sized RTGs and small radioisotope heater units designed to keep instruments warm on frigid worlds.
  — Kaif Shaikh, Interesting Engineering, 14 Nov. 2025
• The physics of such a device is essentially that of a solar cell, except that the source of the radiation is from a radioisotope instead of the sun.
  — IEEE Spectrum, 25 Aug. 2025
• Enough heat should have also been generated within the body through the radioactive decay of radioisotopes locked up in its rocks — that would've melted the ice.
  — Keith Cooper, Space.com, 1 July 2025
• It has even been used in space in the form of radioisotope thermoelectric generators, like those that powered the Voyager probes.
  — Preeti Nair, Space.com, 7 Dec. 2025
• While some isotopes are stable, the majority are radioactive and called radioisotopes.
  — Andrea Richard, The Conversation, 2 Oct. 2025
• The radioisotope is crucial for fueling long-term deep space missions, but as of 2017, a shortage was on the horizon.
  — David Grossman, Popular Mechanics, 8 Jan. 2019
• Every year their batteries lose up to 4 watts of power due to the decay of plutonium-238, the radioisotope that fuels them.
  — Sumeet Kulkarni, Los Angeles Times, 3 Sep. 2022
• At the site, the team is developing more efficient ways to recover scarce radioisotopes that would otherwise be discarded as waste.
  — Georgina Jedikovska, Interesting Engineering, 24 Sep. 2026
• After being injected with a radioisotope and riding a stationary bike, the young doctor was gentle in the face of discouraging films and old news.
  — Sorayya Khan, Longreads, 8 Feb. 2018
• The specific power provided here is a measure of how much power an ideal, pure radioisotope source can generate per unit of mass at the beginning of its life.
  — IEEE Spectrum, 25 Aug. 2025
• Cesium-137, or Cs-137, is a manmade radioisotope of cesium.
  — Sara Tenenbaum, CBS News, 22 Dec. 2025
• The three radioisotope generators on ship, which use the slow decay of a lump of plutonium to provide it with electricity, could keep working for decades to come.
  — The Economist, 7 Sep. 2017
• Radioisotopes that live for a few seconds don’t exist long enough to perform medical procedures, and radioisotopes that live for years would harm the patient and their family.
  — Andrea Richard, The Conversation, 2 Oct. 2025
• All radioisotopes are expensive to procure and are typically only available in small quantities.
  — IEEE Spectrum, 25 Aug. 2025
• The decay energy is a measure of the kinetic energy of emitted particles as the radioisotope decays.
  — IEEE Spectrum, 25 Aug. 2025
• The company focuses on producing radioisotopes used in nuclear medicine.
  — Raul Trey Lopez, San Antonio Express-News, 12 Mar. 2026
• Testing heat without sunlight Zeno’s payload centers on a five-watt radioisotope heater unit containing americium-241.
  — Aamir Khollam, Interesting Engineering, 20 Aug. 2026
• With a chemical makeup similar to calcium, strontium-90, a radioisotope found in fallout, is easily absorbed in teeth and bones.
  — Longreads, 10 Aug. 2020
• The neutron-emitting radioisotope is used for several applications, such as starting up nuclear reactors.
  — Georgina Jedikovska, Interesting Engineering, 24 Sep. 2026
• It is powered by a radioisotope generator that produces around 100 watts of continuous energy.
  — Atharva Gosavi, Interesting Engineering, 26 Nov. 2025
• Past missions have used radioisotope thermoelectric generators (RTGs) to power deep-space probes where solar light is faint.
  — Aman Tripathi, Interesting Engineering, 14 Jan. 2026
• Typically used in medical devices and gauges, the FDA notes that the radioisotope is a byproduct of nuclear reactions.
  — Laura Baisas, Popular Science, 21 Aug. 2025
• Comparable legacy systems would require roughly 10 kg of radioisotope material for the same output.
  — Neetika Walter, Interesting Engineering, 11 Feb. 2026
• So far, radioisotope power systems (RPSs) in space have utilized plutonium-238 (Pu-238) as a fuel source.
  — Prabhat Ranjan Mishra, Interesting Engineering, 26 Sep. 2025
• The company also builds radioisotope power systems, which are compact electricity generators used by defense agencies and aerospace programs.
  — Aman Tripathi, Interesting Engineering, 17 June 2026
• In many nuclear battery designs, adjacent semiconductors absorb the radiation released by the radioisotopes’ nuclei and convert it to an electric current, much like a solar cell does.
  — IEEE Spectrum, 25 Aug. 2025