Copyright © Philip M. Parker, INSEAD. Terms of Use.
| Domain | Definition |
Health | Porphyrinogens which are intermediates in heme biosynthesis. They have four acetic acid and four propionic acid side chains attached to the pyrrole rings. Uroporphyrinogen I and III are formed from polypyrryl methane in the presence of uroporphyrinogen III cosynthetase and uroporphyrin I synthetase, respectively. They can yield uroporphyrins by autooxidation or coproporphyrinogens by decarboxylation. (references) |
Source: compiled by the editor from various references; see credits. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)55 52 4F 50 4F 52 50 48 59 52 49 4E 4F 47 45 4E 53 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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| American Sign Language (origins from 1620-1817 in Italy and, especially, France) (references)
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| Semaphore (1791, in France) (references)
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| Braille (1829, in France) (references)
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Morse Code (1836) (references)..- .-. --- .--. --- .-. .--. .... -.--. .-. .. -. --- --. . -. ... |
| Dancing Men (Sir Arthur Conan Doyle, 1903) (references)
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Binary Code (1918-1938, probably earlier) (references)01010101 01010010 01001111 01010000 01001111 01010010 01010000 01001000 01011001 01010010 01001001 01001110 01001111 01000111 01000101 01001110 01010011 |
HTML Code (1990) (references)U R O P O R P H Y R I N O G E N S |
ISO 10646 (1991-1993) (references)0055 0052 004F 0050 004F 0052 0050 0048 0059 0052 0049 004E 004F 0047 0045 004E 0053 |
| British Sign Language (Fingerspelling, BSL; 1992, British Deaf Association Dictionary of British Sign Language) (references)
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Encryption (beginner's substitution cypher): (references)5552495049525042595243484941394853 |
| 1. Orthography 2. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
