Columbia Encyclopedia

Search results

500 results found

Frankland, Sir Edward

(Encyclopedia)Frankland, Sir Edward, 1825–99, English chemist. He studied under Bunsen and Liebig and taught at several English institutions. In working on the synthesis and isolation of compounds he evolved the ...

amphoterism

(Encyclopedia)amphoterism ămˌfətĕrˈĭzm [key], in chemistry, the property of certain substances of acting either as acids or as bases depending on the reaction in which they are involved. Many hydroxide compou...

Hershko, Avram

(Encyclopedia)Hershko, Avram, 1937–, Israeli biochemist, M.D. Hebrew Univ.–Hadassah Medical School, Jerusalem, 1965, Ph.D. 1969. Hershko has been a professor at the Rappaport Faculty of Medicine at the Technion...

hydroxyl group

(Encyclopedia)hydroxyl group hīdrŏkˈsĭl [key], in chemistry, functional group that consists of an oxygen atom joined by a single bond to a hydrogen atom. An alcohol is formed when a hydroxyl group is joined by ...

Anfinsen, Christian Boehmer

(Encyclopedia)Anfinsen, Christian Boehmer, 1916–95, American biochemist, b. Monessen, Pa., Ph.D. Harvard Medical School, 1943. He spent the early years of his career in brief research and fellowship positions at ...

Skou, Jens Christian

(Encyclopedia)Skou, Jens Christian, 1918–2018, Danish chemist, M.D. Univ. of Copenhagen, 1944, Ph.D. Univ. of Aarhus, 1954. Skou was on the faculty at the Univ. of Aarhus, Denmark, from 1947 until he retired in 1...

Smith, George Pearson

(Encyclopedia)Smith, George Pearson, 1941–, American biologist, b. Norwalk, Ct., Ph.D. Harvard, 1970. Smith has been a professor at the Univ. of Missouri, Columbia, since 1975 (emeritus since 2015). He shared hal...

Whittingham, Michael Stanley

(Encyclopedia)Whittingham, Michael Stanley, 1941–, British-American chemist, Ph.D. Oxford, 1968. Whittingham worked for Exxon Research & Engineering from 1972 to 1984, then joined Schlumberger Ltd. In 1988, h...

Y

(Encyclopedia)Y, 25th letter of the alphabet. It was a Latin importation of the eastern Greek upsilon (see U), which was pronounced like ü; the Romans used it for Greek words. In English y mainly represents the se...

Yoshino, Akira

(Encyclopedia)Yoshino, Akira, 1948–, Japanese chemist, Ph.D. Osaka Univ., 2005. He was a researcher at Asahi Kasei Corp. from 1972 to 2017, when he became a professor at Meijo Univ., Nagoya, Japan. Akira received...