Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

X-Rays

"X-Rays" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

Penetrating electromagnetic radiation emitted when the inner orbital electrons of an atom are excited and release radiant energy. X-ray wavelengths range from 1 pm to 10 nm. Hard X-rays are the higher energy, shorter wavelength X-rays. Soft x-rays or Grenz rays are less energetic and longer in wavelength. The short wavelength end of the X-ray spectrum overlaps the GAMMA RAYS wavelength range. The distinction between gamma rays and X-rays is based on their radiation source.


This graph shows the total number of publications written about "X-Rays" by people in Harvard Catalyst Profiles by year, and whether "X-Rays" was a major or minor topic of these publication.
Bar chart showing 152 publications over 29 distinct years, with a maximum of 16 publications in 2008
To see the data from this visualization as text, click here.
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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.