5- At the request ef *tis Gremp a pregrem 18s been set wp “or the periodico review of al) emergency safety shovers. 1, RUMUDICAL (Wright 2. Langham, Robt. B. Carter): A. Demazta: L. De. P, Hewtan Hayes wes is Chicago on April 27~28 te give talks on 64 Campouris in Blelagiaa) Researeh, Hitregen Mestards end Ethylenimines ap Racioaimetic Drugs, ami the Theary ef Isctopie Organic Compounds. 3. BlochemiatryRestion: i. spd | The ehenionl purifiestion ef desaxyribemealecproteis fram pmeumocec)eus type Vi bas bess asuumplished at lemg last. This preparation is homegensous on the centrifuge. is o bp-predust ef the presnture, ribemmolecpretein is ottained in a fairly pure feem. [t is, however, cumtaminated vith o amall enocust © of the desaxyribenueleaprotein. i. Perrings Sas made o rether complete ultrecentrifugal stady an the negiLeopreteia. Thee partial epeeific volume bas been determined on the desanry~ a | ala) demexyribommleis acid, ant is now eompleting » ainilar study or the desanyritorigomalste esis. “ rs. Larkins is semtimiing the bicassay staodies. Al) preparations of transforming pever. ap effurt is being made ~o quemtitate this esnay or at least ve better undervtand the fasters nesessary to aseauplish the transformation. «2. Sereon,Jobpees,Magee,apdRocerss Searing eampletion of fisaion product analysis an aise fer Operation Greenhouse. 3. Foams A survey is being mde of msthods eppicsble -o spleen Sractionstion (ef. apedl repert). ee ee =w- 00191125 O12 1044521 LANL