Personnel Placement
MICRO-g® Vibration Isolation Systems
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LowZproflile platforms fora lowfiq-uency, . .. m
SCIENCE publishes each Friday, except the last Friday of the year. Advertising is accepted only in writing; no abbreviations. Any deadline in ad must be at least 2 weeks after date of issue in which ad appears. Also, personnel advertising is accepted only with the understanding that the advertiser does not discriminate among applicants on the basis of race, sex, religion, age, color, national origin, handicap,
floor vibration from degrading * Prevent heavy,heavy,high-precision hih-precision equipment performance. equipment performance.
box number. No agency commisforuse ofthan No discount. sion for ads required less for4 inches. ads. Purchase all foreign cash Prepayment
~~~~~~orders letter including for all cover other advertising. | | | requiredand/or
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characters and spaces. lncludq any desired heading. Each line of heading and/or extra spaces and all
Highly-damped, low-compliance base structure attenuates
partial lines are counted as full lines. To calculate cost,
ion-board" equipment vibration,
multiply total lines x $35.00 = total cost of ad. Send copy for all Positons Wantod ads and Uro ClassIf|ed ads less than 1/6 page in size(39 lines) to:
L15 Thchnical Manufacturing Co~~~~~~~.*J.~~ Cenn
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Send copy for Frackoal Display ads, 1/6 page and larger, and all Marketplac ads to: o Inc
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DriVed Peabody,MasssachusetS 01960 |epone: 617-532-6330 Telex: 951408 Circle No. 46 on Readers' Service Card
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billing address
Structure ad copy on a separate page, on lines of 52
displacements in all directions.
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Equipmentraised above floor floor level, level. 31/z -41/2 above * Equipment raised onlyonly31/2".4½" * Patented Gimbal Piston"T mounts isolate submicro-inch
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UNE CLASSIFIED ADVERTISING DEADUNES: Thursday, 2 weeks prior to issue date (mailed on issue date). WANTED: 40¢ per word, pius $4 for use of POSITIONS box number, per week. $10 minimum, per week. required. This rate is available only to Prepayment individuals seeking jobs. UNE CLASSIFIED (POSITIONS OPEN, COURSES, FELLOWSHIPS, MARKETPLACE, *nd so foe): ~~~~~~~~~~~~~. S35.QO per line, $350 mrinimum, per week (minimum _V j ~~~~~~~~~~~~charge _fxv . one inch on ai single column;. one i'nch 52 characters and spaced per rwe). ~~~~~~~~~~~~~~equals 10coverslnsof
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Tlsom2127301060 Blind ad replies should be addressed as follows:
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pMo!n punrfi ennern,maribrane reac-tion, SUPPLIEScation, enzymatic hormoofunlmatdipsm ne-receptorinteraction studies), pyaration (binding and reconstitution ot m branein protei, tasoto sug and lectrolyt in nephron, t iin cellular nembrane and proteins, | | v of | |X rSlc I-to Desires be involved inCa-repilation an industrial or, .tranportf i I ; ? C VIC Box SCIENCE. academic research group. 1, Xi
THE MOS IMMOBILIZD PRTEIN A 111
Let's face it, Immobilized rProtein ATM is not an "inert" substance. Its value is directly related to its IgG binding activity. And immobilized recombinant Protein A from Repligen has more IgG binding activity per ml (> 20 mg human polyclonal IgG per ml) orYCper S (as low as $.30/mg igG binding capacity*) than the other brands. Repligenfs rProtein A is readily available in two forms: immobilized to crosslinked 4 % agarose beads in milliliter and multiliter quantities or as an ultrapure lyophilized protein in laboratory and multigram quantities. For more information, please call (617) 225-6000. Or write REPLIGEN Corp., One Kendall Square, Bldg. 700, Cambridge, Massachusetts, 02139 Attention Customer Service.
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pallenging -posiion.eo moe bo, pant iencesninclude fermnicrtation scale-up, mucrobiatrstrain and proDN~~~~~~~~~~~~~~~~~A, deipmeno , and utilizaition of encc
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tons tehniques inude:ultrafiltration, LC, HPLC, anid agapra crylamidc electrophoresis, suprcrcnical fluid etaction. Box 234, SCIENCE. 1/16, 23, 3(,
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1010no seeks position inoloWEefon biom company or corerPh.D., aboratory in imunology, DNA hybidization, hit as dirctor oradmin.chmistry, pathology or microscopy Ls1atoyre cKp0e in mini me odokW 2, SCIENC .. 1/16, 23, 30, 2/6 0
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Orcle No. 83 on Readers' Srvoe Card
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SCIENCE, VOL. ,4
