Document zQqze1geykQnn5dveNed6zLo6

FILE NAME: Talc (TALC) DATE: 1971 DOC#: TALC416 DOCUMENT DESCRIPTION: Article in C & EN - Asbestos in Talc * 8 a / Asbestos In W c Two dllte/e,it. Infant talcum powders-conlaln tram S to 25% ethos* tos, says Dr. Arthur Longer, profassor of mlnoralogy of tho ML Sinai School ot Medicine, Tromollte, e>, form ,'it asbestos, con range up to Ji% ol Industrial talcs. In calling tor a federal program from Hi-"// to chr-ch out the potential hnsUh hazard of nsboslo3 In talc, Haw York City's environment pro tection administrator, Jerome Krotchmer, says that although there Is no evidence that Infant exposure to talcum powder asbestos con tributes to later disease, It Is pru dent to minimize exposures unless they can bo demonstrated concluslyely to bo harmless, 0 V. II ^ , 'a , .1 II tt* 'ill! rJT ip n /T O n tP `f * w 0U )L u liiU .U j Scanning th& pancm s Radioactive 6-iluorotryptophanAtE may permit external scanning of ' the pancreas, according to rsulta - of animal studios at Brookhavcn National Laboratory, Upton, N.Y, Dr, Harold Atkins, Dr, Alfred P. Wolf, and coworkors quickly pre pare tho labeled ernlno acid (halflife of 110 minutes) after prepara tion ol fluorlho-10 In a cyclotron, Tho amino acid concentrates, pref erentially In the pancreas, unlike , other radlopharmaceutlcala that concentrate In the nearby liver aa well, Dr, Wolf says, n Protecting pacemakers Accelerator working Workers at the National Accelera - tor Laboratory, Batavia, III., have guldod a proton beam through the entire accelerator system tor the first tl/no. The beam was bo- coloratod to 7 b.o.v. In the linear accelerator and the booster syn- chrotron, then allowed to "coasf" through the giant (4 miles In cir cumference), ring-shaped main accelerator. a ' . Sensitivity of heart pacemakers to electromagnetic radiation Inter ference should bo diminished when manufacturers receive the results of tests now under way. The project Is operated olntty by the Society ol Automotive Engi neers and several Industrial or ganizations. Tho SAE project Is aimed at determining the influence of such devices as microwave ovens and Ignllton systems tor gasoline engines on the pacemakers, p Bacteria detector f - A laminated card to defect bac- terla causing Infectious diseases In tho dlgestlye tract will be mar- j keted by Wilson Pharmaceutical Chemical Corp., Chicago, ill. The ) card, called Auxotab Enteric 1, con tains 10 capillary tubes with re ! agents that permit tho Identifiesfion of a wide rangd - ?.sWc bacteria within save .ours from pure culture, tho company says. Color changea In the capillaries ora compared with a reaction chart to Identify is enteric bacteria and Pseudomonas. The laminated | card Is 'used once and discarded. SS Uses of straw An Oregon State University profect under the direction of Dr, O.O, . Chllcote has been funded by EPA to find new ways (0 use straw residue from harvested crops. . Now beginning the second and ; . final year, the prelect has devetoped a method (or producing . paper and a process for the hydrol ysis of the straw with hydrochloric acid to produce a yeast protein. Paper sample's are now being tested against conventional papors. The food proteins are ex pensive but cdnialn all (he matorlals roqulrad for human and [ animal consumption. 0 ' >4 CMH HH.V U, 19H Schools In trouble . J, Public universities as well as j private schools are having financial g dlfllcultles, Deferment of mein- 1w tananco, elimination of now pro- Ot grams, end faculty-staff freezes or ', cutbacks are economy measures n taken by 40 or more of tho 78 uni- fto .versifies that responded to 0 survey ffty tho National Association of tfC [Slate Universities and Land-Qrant J |Colleges. Financial deficits oc- the, %urred at 14 of the Institutions dur- hon ing 1389-70. U Mi '' . :n:d arts Biology technicians :cntr, [lani i [Project BIOTECH will develop . 'teaching materials and o core cur- / rloulum for the training of tech- nlclans In tho life sciences. In j , iho next four years the project, wllhtacvu . fflrrb, edit, and field lest the ma- .sen terlals under the direction of Dr. iwniv John H, Busser of the American nri*y Institute of Biomedical Sciences. ^ H ) The materials developed, will be used In modular form for on-tho-lof" !0. 1 training, In formal academic I n s l r u t ,, tlon, and tor some Individual self- |cnt Instruction. Particular emphasis 0lli ,j't' will be placed on training tech- 0) 'iCsi nlclans for pollution abatement, Tin.- Industrial and agricultural blotech->"nccii hoiogy, and health sciences. The>fil hi prelect la funded by NSF. a v : 8 . . . . 4 0 J.i, u Dietary trace metals 'Calif i>, Story / ftwt Hi, Dr. K. M. Hambfdge, of tho Uni- c,e,, (.,, yerslty of Colorado medical cen-igh.- ,`, v ter, has begun a throo-year pro/eipte, ,n to study tho need for six trace nvtnci minarais in tho diets of children,0 loops. Infanta, adolescents, and pregna")c<l by women. The scientists will ulllfzi,l'll1c rtK some of the newer clinical enolytl ^ `j1 leal procedures, Including aulc-^ " L y " analysis, to determine levols ol lv`itu,(' \ copper, zinc, Iron, chromium, mAini uHSU[ ganaso, and molybdenum In eeslitnry. j'. i accessible bedy fluIds &uch aa Me gojiod, Wood serum and urine, m ultory's j CRMC-HT-TALC-000135