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The United States, 1960–1979 The History Of Mdma As An ...
1960s, there was no difficulty in obtaining “unending quantities of it, as it was available as a research chemical from different supply houses” (Shulgin and Shulgin 1991, 717f). This ended in 1970, when MDA was scheduled under the CSA. Thereafter, recipes for MDA were dis-tributed in underground chemistry cookbooks. Read Online & Download »
Date: April 18 (wed), Time Limit: 19:00 ~ 21:00
2 . 1. (total 8 pts) An ionic compound used as a chemical fertilizer has the composition (by mass) 48.46% O, 23.45% P, 21.21% N, 6.87% H. (a) Give the name and chemical formulaof the compound. Note that this compound contains ammonium ions.. Read Online & Download »
Xenoprotein Engineering Via Synthetic Libraries - Pnas.org
We set out to render practical the screening of high-diversity synthetic libraries and to explore the use of synthetic protein libraries for engineering de novo binding activity into a mirror-image miniprotein molecule (MIM). This task was chosen to illustrate the utility of chemical synthesis for xenoprotein engi-. Read Online & Download »