Appendix Addresses of manufacturers and suppliers mentioned in the text Amersham, The Radiochemical Centre, Amersham, Bucks, England. Ashland Chemicals, Columbus, Ohio, U.S.A. Baker, J. T., Chemical Co., Phillipsburg, N.J., U.S.A. Balston, W. and R., Ltd., Springfield Mill, Maidstone, Kent, England. Beckman Instruments, Glenrothes, Scotland, U.K. BioRad Laboratories, 32nd Avenue, Richmond, Calif. 94804, U.S.A. British Drug Houses (BDH) Ltd., Poole, Dorset, England. Buchler Instruments Inc., 1327 16th Street, Fort Lee, N.J., U.S.A. Camlab (Glass) Ltd., Cambridge, England. Cargille Laboratories Inc., Cedar Grove, N.Y., U.S.A. Chromatronix, 2743 Ninth Street, Berkeley, Calif. 94710, U.S.A. Comark Electronics Ltd., Brookside Ave., Rustington, Sussex, England. Dow Chemical Coy., Midland, Michigan, U.S.A. Drummond Scientific Coy., Broomall, Penn., U.S.A. Dupont de Nemours & Co. Inc., Instrument Products Division, Wilmington, D.E. 19898, U.S.A. Eastman-Kodak, Liverpool, England. E-C Apparatus Coy., 226 South 40th Street, University City, Philadelphia, Penn. 19104, U.S.A. Fisons, Scientific Apparatus, Bishop Meadow Rd., Loughborough, Leicestershire, England. 412
Gilford Instruments Inc., 132 Artino Street, Oberlin, Ohio 44075, U.S.A. Grant Instruments (Cambridge) Ltd., Barrington, Cambridge CB2 SQZ, England. L'Industrie Biologique Francaise, 35 Quai de Moulin de Cage, Gennevilliers (Seine), France. International Equipment Co., 300 2nd Avenue, Needham Heights, Mass., U.S.A. International Specialities Co. (ISCO), 47000 Superior Street., Lincoln, Nebraska 68504, U.S.A. Joyce-Lobel Ltd., Princes Way, Team Valley, Gateshead, England. Laboratory Thermal Equipment Ltd., Greenfield, Nr. Oldham, Lancashire, England. LKB Produkter AB, S-161 Bromma 1, Sweden. Measuring and Scientific Equipment Ltd. (MSE), Manor Royal, Crawley, Sussex, England. Marine Laboratories Ltd., P.O. Box 37, Stoke Court, Stoke Poges, Slough SL2 4LY, England. Merck, E., 6100 Darmstadt, Germany. Mickle Laboratories, 'Mill Works, Gomshall, Surrey, England. Nuclear Chicago, 2000 Nuclear Drive, Des Plaines, Ill. 60018, U.S.A. Packard Instrument Coy. Inc., 2220 Warrenville Road, Downers Grove, Ill. 60515, U.S.A. Pharmacia Fine Chemicals AB, Uppsala, Sweden. Porous Plastics Ltd., now Porvair Ltd., Kings Lynn, Norfolk, England. Pye Unicam Ltd., York Street, Cambridge CB1 2PX, England. Reeve Angel Scientific Ltd., 14 New Bridge Str., London EC4V 6AY, England. Savant Instruments Inc., 221 Park Ave., Hicksville, N.Y. 11801, U.S.A. Sephadex, Registered Trade Mark of Pharmacia Fine Chemicals AB. Serva Feinbiochemica GmbH, D-6900 Heidelberg 1, Germany. Shandon Southern Ltd., Camberley, Surrey, England. Stanton-Redcroft Ltd., Copper Mill Lane, London SW17, England. Ultraviolet Products, Santa Barbara, Calif., U.S.A. Subject index p . 487
SEPARATION METHODS FOR NUCLEIC ACIDS
Varian Aerograph, 2700 Mitchell Drive, Walnut Creek, Calif. 94598, U.S.A. Waters Associates Inc., 61 Fountain Street, Framingham, Mass. 01701, U.S.A. Whatman, Registered Trade Mark of W. and R . Balston, Ltd. Worthington Biochemical Corp., Freehold, N.J. 07728, U.S.A. Zeiss Instruments, Oberkochen, West Germany.