chromatographic separation
121Timeline of biology and organic chemistry — A timeline of significant events in biology and organic chemistryBefore 1600* c. 450 B.C. Sushruta writes the Sushruta Samhita , describing over 120 surgical instruments and 300 surgical procedures, classifies human surgery in 8 categories, and… …
122Ricin — (pronEng|ˈraɪ sɨn) is a protein toxin that is extracted from the castor bean ( Ricinus communis ).The U.S. Centers for Disease Control (CDC) gives a possible minimum figure of 500 micrograms (about the size of a grain of salt) Fact|date=May 2008… …
123Partition coefficient — In chemistry and the pharmaceutical sciences, a partition (P) or distribution coefficient (D) is the ratio of concentrations of a compound in the two phases of a mixture of two immiscible solvents at equilibrium.[1] The terms gas/liquid partition …
124Zopiclone — Systematic (IUPAC) name (RS) 6 (5 chloropyridin 2 yl) 7 oxo 6,7 dihydro 5H pyrrolo[3,4 b]pyrazin 5 yl 4 methylpiperazine 1 carboxylate Clinical data Trade n …
125Mikhail Tsvet — Born 14 May 1872(1872 05 14 …
126Paper chromatography — Chromatography jar Classification Chromatography Other techniques Related Thin layer chromatography Paper chromatography is a …
127Protein tag — Protein tags are peptide sequences genetically grafted onto a recombinant protein. Often these tags are removable by chemical agents or by enzymatic means, such as proteolysis or intein splicing. Tags are attached to proteins for various purposes …
128Isotope ratio mass spectrometry — Infobox chemical analysis name = Isotope ratio mass spectrometry caption =Isotope ratio mass spectrometer with gas bench in foreground acronym = IRMS classification =mass spectrometry analytes = manufacturers = related = Accelerator mass… …
