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Product News Biosystems Reporter is a quarterly newsletter from Applied Biosystems for the life science researcher. This publication reports the latest news about the products and procedures feuling biotechnology research. To receive the latest issue, circle reader service number 86. Circle no. 88 for more information AIM V@ Serum-Free Lymphocyte-Activation Medium l Chemically defined liquid medium for growth of human lymphocytes l For research involving tumor-infiltrating lymphocytes (TIL cells) and activation of lymphokine-activated killer (LAK) cells l No serum supplementation required l Human-derived components nonreactive for Hepatitis B Surface Antigen and HIV-I antibody For ex viva activation of lymphocytes. Not intended for any human or animal therapeutic use. User should qualify the material for this or any other related in viva application. To order, call (800) 828-6686. Call the Tech-LineTM for more information: (800) 828-6613. GIBCO Life Technologies, Inc. Grand Island, NY 14072 Circle no. 88 for more information lrevinBlock~system l Runs 2 Experiments Simultaneously! l Low Price l QuickDelivery Ability to conveniently heat and cool 2 x 29 test samples automatically through repeated cycles of several user-defined time intervals at various user-defined temp- eratures ranging from 25” to 100” C. For ordering information and technical assistance in the U.S.call l-800-541-8471. Outside U.S.call l-619-457-1888 ,=ERIcoMPw~ 10055 Lkumes Canyon Road, Suite C, San Diego, CA 92121 Circle no. 87 for more information possible by the X-Box 100 series, is a new concept in the design of systems for megabase DNA resolution. The shape of the box is the key. Alternating electric fields are constrained to be uniform by the geometry 01 the box. Switching thedirection of the field then causes DNA molecules to follow a zig-zag path, resulting in straight lanes. Since migration is dependent upon the shape, and not external circuitry, there are no restrio tions on gel thickness, buffer conductivity, and voltage. The X-Box is available to hold either 13 X 13 cm gels or 20 X 20 cm gels. MJ Research, Inc., Kendall Square, Box 363 Cambridge, MA 02142. Tel: (617) 354-0016 Products for Molecular Biology “patent applied for Circle no. 89 for more information
