GRAY (GY)
\ɡɹˈe͡ɪ d͡ʒˈa͡ɪ], \ɡɹˈeɪ dʒˈaɪ], \ɡ_ɹ_ˈeɪ__ dʒ_ˈaɪ]\
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Metric (SI) measurement for absorbed radiation units. Equals 100 radiation absorbed doses, or RADs. UK resident Dr. L. Harold Gray (1905-1965) pioneered radiation as a cancer treatment, giving his name to this unit. One gray is defined as a dose of 1 joule of radiant energy absorbed per kilogram of matter.
By Henry Campbell Black
Word of the day
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.