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Browse across eight MeSH (opens in new tab) facets — era, geography, science, specialty, technology, history, culture, and reference. Select one tag per group; counts update across the others.

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3 entries match General Clinical Medicine [G02] · Professions & Education [M01 / N02] · Chemistry & Biochemistry [K01.900.200]

1981 CE

#14183

Computer averaging of electron micrographs of the 405 ribosomal subunit.

Frank and colleagues developed a method that allows sorting of particle images into classes based on their orientation, as well as their structural features. Specifically Frank developed mathematical tools used for im…

1930 CE

#12830

The moving boundary method of studying the electrophoresis of proteins. (Nova Acta Reg. Soc. Scient. Upsaliensis, IV, 7, No. 4.)

Tilesius's doctoral dissertation introduced the laboratory technique of moving-boundary electrophoresis, a technique for separation of chemical compounds by electrophoresis in free solution. For this work, and the wor…

1975 CE

#14182

Three-dimensional model of purple membrane obtained by electron microscopy.

The invention of Cryogenic electron microscopy (cryo-EM). The novel technique was achieved by "by applying the method to tilted specimens, and using the principles put forward by De Rosier and Klug (GM - 13935), for t…