An automated drum scanner for rapid collection of X‐ray crystallographic data | Zendy

Einstein J. R. | Zendy; McClelland B. W. | Zendy

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An automated drum scanner for rapid collection of X‐ray crystallographic data

Author(s) -

Einstein J. R.,

McClelland B. W.

Publication year - 1974

Publication title -

journal of applied crystallography

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.429

H-Index - 162

ISSN - 1600-5767

DOI - 10.1107/s0021889874010508

Subject(s) - microdensitometer , scanner , minicomputer , drum , magnetic tape , computer science , flexibility (engineering) , optics , computer graphics (images) , computer data storage , line (geometry) , materials science , computer hardware , physics , digital recording , engineering , mechanical engineering , statistics , geometry , mathematics , operating system

A drum‐scanning microdensitometer has been automated with a minicomputer equipped with a magnetic disk memory. Part of the disk is used for temporary data storage, in a manner allowing rapid retrieval. X‐ray diffraction photographs from macromolecular crystals can be measured at rates up to about 25 reflections per second, with the flexibility of an `on‐line' system. The method can also be used when the computer is time‐shared, but with lowered film‐processing rates dependent on the number of `simultaneous' (time‐sharing) users.

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